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      1 /* Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.
      2  *
      3  * Redistribution and use in source and binary forms, with or without
      4  * modification, are permitted provided that the following conditions are
      5  * met:
      6  *     * Redistributions of source code must retain the above copyright
      7  *       notice, this list of conditions and the following disclaimer.
      8  *     * Redistributions in binary form must reproduce the above
      9  *       copyright notice, this list of conditions and the following
     10  *       disclaimer in the documentation and/or other materials provided
     11  *       with the distribution.
     12  *     * Neither the name of The Linux Foundation nor the names of its
     13  *       contributors may be used to endorse or promote products derived
     14  *       from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     23  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     25  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  *
     28  */
     29 
     30 #include <stdlib.h>
     31 #include <pthread.h>
     32 #include <errno.h>
     33 #include <sys/ioctl.h>
     34 #include <sys/types.h>
     35 #include <sys/stat.h>
     36 #include <fcntl.h>
     37 #include <poll.h>
     38 #include <time.h>
     39 #include <cam_semaphore.h>
     40 #ifdef VENUS_PRESENT
     41 #include <media/msm_media_info.h>
     42 #endif
     43 
     44 #include "mm_camera_dbg.h"
     45 #include "mm_camera_interface.h"
     46 #include "mm_camera.h"
     47 
     48 /* internal function decalre */
     49 int32_t mm_stream_qbuf(mm_stream_t *my_obj,
     50                        mm_camera_buf_def_t *buf);
     51 int32_t mm_stream_set_ext_mode(mm_stream_t * my_obj);
     52 int32_t mm_stream_set_fmt(mm_stream_t * my_obj);
     53 int32_t mm_stream_sync_info(mm_stream_t *my_obj);
     54 int32_t mm_stream_init_bufs(mm_stream_t * my_obj);
     55 int32_t mm_stream_deinit_bufs(mm_stream_t * my_obj);
     56 int32_t mm_stream_request_buf(mm_stream_t * my_obj);
     57 int32_t mm_stream_unreg_buf(mm_stream_t * my_obj);
     58 int32_t mm_stream_release(mm_stream_t *my_obj);
     59 int32_t mm_stream_set_parm(mm_stream_t *my_obj,
     60                            cam_stream_parm_buffer_t *value);
     61 int32_t mm_stream_get_parm(mm_stream_t *my_obj,
     62                            cam_stream_parm_buffer_t *value);
     63 int32_t mm_stream_do_action(mm_stream_t *my_obj,
     64                             void *in_value);
     65 int32_t mm_stream_streamon(mm_stream_t *my_obj);
     66 int32_t mm_stream_streamoff(mm_stream_t *my_obj);
     67 int32_t mm_stream_read_msm_frame(mm_stream_t * my_obj,
     68                                  mm_camera_buf_info_t* buf_info,
     69                                  uint8_t num_planes);
     70 int32_t mm_stream_read_user_buf(mm_stream_t * my_obj,
     71         mm_camera_buf_info_t* buf_info);
     72 int32_t mm_stream_write_user_buf(mm_stream_t * my_obj,
     73         mm_camera_buf_def_t *buf);
     74 
     75 int32_t mm_stream_config(mm_stream_t *my_obj,
     76                          mm_camera_stream_config_t *config);
     77 int32_t mm_stream_reg_buf(mm_stream_t * my_obj);
     78 int32_t mm_stream_buf_done(mm_stream_t * my_obj,
     79                            mm_camera_buf_def_t *frame);
     80 int32_t mm_stream_get_queued_buf_count(mm_stream_t * my_obj);
     81 
     82 int32_t mm_stream_calc_offset(mm_stream_t *my_obj);
     83 int32_t mm_stream_calc_offset_preview(cam_format_t fmt,
     84                                       cam_dimension_t *dim,
     85                                       cam_stream_buf_plane_info_t *buf_planes);
     86 int32_t mm_stream_calc_offset_post_view(cam_format_t fmt,
     87                                       cam_dimension_t *dim,
     88                                       cam_stream_buf_plane_info_t *buf_planes);
     89 
     90 int32_t mm_stream_calc_offset_snapshot(cam_format_t fmt,
     91                                        cam_dimension_t *dim,
     92                                        cam_padding_info_t *padding,
     93                                        cam_stream_buf_plane_info_t *buf_planes);
     94 int32_t mm_stream_calc_offset_raw(cam_format_t fmt,
     95                                   cam_dimension_t *dim,
     96                                   cam_padding_info_t *padding,
     97                                   cam_stream_buf_plane_info_t *buf_planes);
     98 int32_t mm_stream_calc_offset_video(cam_dimension_t *dim,
     99                                     cam_stream_buf_plane_info_t *buf_planes);
    100 int32_t mm_stream_calc_offset_metadata(cam_dimension_t *dim,
    101                                        cam_padding_info_t *padding,
    102                                        cam_stream_buf_plane_info_t *buf_planes);
    103 int32_t mm_stream_calc_offset_postproc(cam_stream_info_t *stream_info,
    104                                        cam_padding_info_t *padding,
    105                                        cam_stream_buf_plane_info_t *plns);
    106 
    107 
    108 /* state machine function declare */
    109 int32_t mm_stream_fsm_inited(mm_stream_t * my_obj,
    110                              mm_stream_evt_type_t evt,
    111                              void * in_val,
    112                              void * out_val);
    113 int32_t mm_stream_fsm_acquired(mm_stream_t * my_obj,
    114                                mm_stream_evt_type_t evt,
    115                                void * in_val,
    116                                void * out_val);
    117 int32_t mm_stream_fsm_cfg(mm_stream_t * my_obj,
    118                           mm_stream_evt_type_t evt,
    119                           void * in_val,
    120                           void * out_val);
    121 int32_t mm_stream_fsm_buffed(mm_stream_t * my_obj,
    122                              mm_stream_evt_type_t evt,
    123                              void * in_val,
    124                              void * out_val);
    125 int32_t mm_stream_fsm_reg(mm_stream_t * my_obj,
    126                           mm_stream_evt_type_t evt,
    127                           void * in_val,
    128                           void * out_val);
    129 int32_t mm_stream_fsm_active(mm_stream_t * my_obj,
    130                              mm_stream_evt_type_t evt,
    131                              void * in_val,
    132                              void * out_val);
    133 uint32_t mm_stream_get_v4l2_fmt(cam_format_t fmt);
    134 
    135 
    136 /*===========================================================================
    137  * FUNCTION   : mm_stream_notify_channel
    138  *
    139  * DESCRIPTION: function to notify channel object on received buffer
    140  *
    141  * PARAMETERS :
    142  *   @ch_obj  : channel object
    143  *   @buf_info: ptr to struct storing buffer information
    144  *
    145  * RETURN     : int32_t type of status
    146  *              0  -- success
    147  *              0> -- failure
    148  *==========================================================================*/
    149 int32_t mm_stream_notify_channel(struct mm_channel* ch_obj,
    150         mm_camera_buf_info_t *buf_info)
    151 {
    152     int32_t rc = 0;
    153     mm_camera_cmdcb_t* node = NULL;
    154 
    155     if ((NULL == ch_obj) || (NULL == buf_info)) {
    156         CDBG_ERROR("%s : Invalid channel/buffer", __func__);
    157         return -ENODEV;
    158     }
    159 
    160     /* send cam_sem_post to wake up channel cmd thread to enqueue
    161      * to super buffer */
    162     node = (mm_camera_cmdcb_t *)malloc(sizeof(mm_camera_cmdcb_t));
    163     if (NULL != node) {
    164         memset(node, 0, sizeof(mm_camera_cmdcb_t));
    165         node->cmd_type = MM_CAMERA_CMD_TYPE_DATA_CB;
    166         node->u.buf = *buf_info;
    167 
    168         /* enqueue to cmd thread */
    169         cam_queue_enq(&(ch_obj->cmd_thread.cmd_queue), node);
    170 
    171         /* wake up cmd thread */
    172         cam_sem_post(&(ch_obj->cmd_thread.cmd_sem));
    173     } else {
    174         CDBG_ERROR("%s: No memory for mm_camera_node_t", __func__);
    175         rc = -ENOMEM;
    176     }
    177 
    178     return rc;
    179 }
    180 
    181 /*===========================================================================
    182  * FUNCTION   : mm_stream_handle_rcvd_buf
    183  *
    184  * DESCRIPTION: function to handle newly received stream buffer
    185  *
    186  * PARAMETERS :
    187  *   @cam_obj : stream object
    188  *   @buf_info: ptr to struct storing buffer information
    189  *
    190  * RETURN     : none
    191  *==========================================================================*/
    192 void mm_stream_handle_rcvd_buf(mm_stream_t *my_obj,
    193                                mm_camera_buf_info_t *buf_info,
    194                                uint8_t has_cb)
    195 {
    196     int32_t rc = 0;
    197     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
    198          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
    199 
    200     /* enqueue to super buf thread */
    201     if (my_obj->is_bundled) {
    202         rc = mm_stream_notify_channel(my_obj->ch_obj, buf_info);
    203         if (rc < 0) {
    204             CDBG_ERROR("%s: Unable to notify channel", __func__);
    205         }
    206     }
    207 
    208     pthread_mutex_lock(&my_obj->buf_lock);
    209     if(my_obj->is_linked) {
    210         /* need to add into super buf for linking, add ref count */
    211         my_obj->buf_status[buf_info->buf->buf_idx].buf_refcnt++;
    212 
    213         rc = mm_stream_notify_channel(my_obj->linked_obj, buf_info);
    214         if (rc < 0) {
    215             CDBG_ERROR("%s: Unable to notify channel", __func__);
    216         }
    217     }
    218     pthread_mutex_unlock(&my_obj->buf_lock);
    219 
    220     if(has_cb) {
    221         mm_camera_cmdcb_t* node = NULL;
    222 
    223         /* send cam_sem_post to wake up cmd thread to dispatch dataCB */
    224         node = (mm_camera_cmdcb_t *)malloc(sizeof(mm_camera_cmdcb_t));
    225         if (NULL != node) {
    226             memset(node, 0, sizeof(mm_camera_cmdcb_t));
    227             node->cmd_type = MM_CAMERA_CMD_TYPE_DATA_CB;
    228             node->u.buf = *buf_info;
    229 
    230             /* enqueue to cmd thread */
    231             cam_queue_enq(&(my_obj->cmd_thread.cmd_queue), node);
    232 
    233             /* wake up cmd thread */
    234             cam_sem_post(&(my_obj->cmd_thread.cmd_sem));
    235         } else {
    236             CDBG_ERROR("%s: No memory for mm_camera_node_t", __func__);
    237         }
    238     }
    239 }
    240 
    241 /*===========================================================================
    242  * FUNCTION   : mm_stream_data_notify
    243  *
    244  * DESCRIPTION: callback to handle data notify from kernel
    245  *
    246  * PARAMETERS :
    247  *   @user_data : user data ptr (stream object)
    248  *
    249  * RETURN     : none
    250  *==========================================================================*/
    251 static void mm_stream_data_notify(void* user_data)
    252 {
    253     mm_stream_t *my_obj = (mm_stream_t*)user_data;
    254     int32_t i, rc;
    255     uint8_t has_cb = 0, length = 0;
    256     mm_camera_buf_info_t buf_info;
    257 
    258     if (NULL == my_obj) {
    259         return;
    260     }
    261 
    262     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
    263          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
    264     if (MM_STREAM_STATE_ACTIVE != my_obj->state) {
    265         /* this Cb will only received in active_stream_on state
    266          * if not so, return here */
    267         CDBG_ERROR("%s: ERROR!! Wrong state (%d) to receive data notify!",
    268                    __func__, my_obj->state);
    269         return;
    270     }
    271 
    272     if (my_obj->stream_info->streaming_mode == CAM_STREAMING_MODE_BATCH) {
    273         length = 1;
    274     } else {
    275         length = my_obj->frame_offset.num_planes;
    276     }
    277 
    278     memset(&buf_info, 0, sizeof(mm_camera_buf_info_t));
    279     rc = mm_stream_read_msm_frame(my_obj, &buf_info,
    280         (uint8_t)length);
    281     if (rc != 0) {
    282         return;
    283     }
    284     uint32_t idx = buf_info.buf->buf_idx;
    285 
    286     pthread_mutex_lock(&my_obj->cb_lock);
    287     for (i = 0; i < MM_CAMERA_STREAM_BUF_CB_MAX; i++) {
    288         if(NULL != my_obj->buf_cb[i].cb) {
    289             /* for every CB, add ref count */
    290             has_cb = 1;
    291             break;
    292         }
    293     }
    294     pthread_mutex_unlock(&my_obj->cb_lock);
    295 
    296     pthread_mutex_lock(&my_obj->buf_lock);
    297     /* update buffer location */
    298     my_obj->buf_status[idx].in_kernel = 0;
    299 
    300     /* update buf ref count */
    301     if (my_obj->is_bundled) {
    302         /* need to add into super buf since bundled, add ref count */
    303         my_obj->buf_status[idx].buf_refcnt++;
    304     }
    305     my_obj->buf_status[idx].buf_refcnt =
    306         (uint8_t)(my_obj->buf_status[idx].buf_refcnt + has_cb);
    307     pthread_mutex_unlock(&my_obj->buf_lock);
    308 
    309     mm_stream_handle_rcvd_buf(my_obj, &buf_info, has_cb);
    310 }
    311 
    312 /*===========================================================================
    313  * FUNCTION   : mm_stream_dispatch_app_data
    314  *
    315  * DESCRIPTION: dispatch stream buffer to registered users
    316  *
    317  * PARAMETERS :
    318  *   @cmd_cb  : ptr storing stream buffer information
    319  *   @userdata: user data ptr (stream object)
    320  *
    321  * RETURN     : none
    322  *==========================================================================*/
    323 static void mm_stream_dispatch_app_data(mm_camera_cmdcb_t *cmd_cb,
    324                                         void* user_data)
    325 {
    326     int i;
    327     mm_stream_t * my_obj = (mm_stream_t *)user_data;
    328     mm_camera_buf_info_t* buf_info = NULL;
    329     mm_camera_super_buf_t super_buf;
    330     mm_camera_cmd_thread_name("mm_cam_stream");
    331 
    332     if (NULL == my_obj) {
    333         return;
    334     }
    335     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
    336          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
    337 
    338     if (MM_CAMERA_CMD_TYPE_DATA_CB != cmd_cb->cmd_type) {
    339         CDBG_ERROR("%s: Wrong cmd_type (%d) for dataCB",
    340                    __func__, cmd_cb->cmd_type);
    341         return;
    342     }
    343 
    344     buf_info = &cmd_cb->u.buf;
    345     memset(&super_buf, 0, sizeof(mm_camera_super_buf_t));
    346     super_buf.num_bufs = 1;
    347     super_buf.bufs[0] = buf_info->buf;
    348     super_buf.camera_handle = my_obj->ch_obj->cam_obj->my_hdl;
    349     super_buf.ch_id = my_obj->ch_obj->my_hdl;
    350 
    351     pthread_mutex_lock(&my_obj->cb_lock);
    352     for(i = 0; i < MM_CAMERA_STREAM_BUF_CB_MAX; i++) {
    353         if(NULL != my_obj->buf_cb[i].cb) {
    354             if (my_obj->buf_cb[i].cb_count != 0) {
    355                 /* if <0, means infinite CB
    356                  * if >0, means CB for certain times
    357                  * both case we need to call CB */
    358 
    359                 /* increase buf ref cnt */
    360                 pthread_mutex_lock(&my_obj->buf_lock);
    361                 my_obj->buf_status[buf_info->buf->buf_idx].buf_refcnt++;
    362                 pthread_mutex_unlock(&my_obj->buf_lock);
    363 
    364                 /* callback */
    365                 my_obj->buf_cb[i].cb(&super_buf,
    366                                      my_obj->buf_cb[i].user_data);
    367             }
    368 
    369             /* if >0, reduce count by 1 every time we called CB until reaches 0
    370              * when count reach 0, reset the buf_cb to have no CB */
    371             if (my_obj->buf_cb[i].cb_count > 0) {
    372                 my_obj->buf_cb[i].cb_count--;
    373                 if (0 == my_obj->buf_cb[i].cb_count) {
    374                     my_obj->buf_cb[i].cb = NULL;
    375                     my_obj->buf_cb[i].user_data = NULL;
    376                 }
    377             }
    378         }
    379     }
    380     pthread_mutex_unlock(&my_obj->cb_lock);
    381 
    382     /* do buf_done since we increased refcnt by one when has_cb */
    383     mm_stream_buf_done(my_obj, buf_info->buf);
    384 }
    385 
    386 /*===========================================================================
    387  * FUNCTION   : mm_stream_fsm_fn
    388  *
    389  * DESCRIPTION: stream finite state machine entry function. Depends on stream
    390  *              state, incoming event will be handled differently.
    391  *
    392  * PARAMETERS :
    393  *   @my_obj   : ptr to a stream object
    394  *   @evt      : stream event to be processed
    395  *   @in_val   : input event payload. Can be NULL if not needed.
    396  *   @out_val  : output payload, Can be NULL if not needed.
    397  *
    398  * RETURN     : int32_t type of status
    399  *              0  -- success
    400  *              -1 -- failure
    401  *==========================================================================*/
    402 int32_t mm_stream_fsm_fn(mm_stream_t *my_obj,
    403                          mm_stream_evt_type_t evt,
    404                          void * in_val,
    405                          void * out_val)
    406 {
    407     int32_t rc = -1;
    408 
    409     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
    410          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
    411     switch (my_obj->state) {
    412     case MM_STREAM_STATE_NOTUSED:
    413         CDBG("%s: Not handling evt in unused state", __func__);
    414         break;
    415     case MM_STREAM_STATE_INITED:
    416         rc = mm_stream_fsm_inited(my_obj, evt, in_val, out_val);
    417         break;
    418     case MM_STREAM_STATE_ACQUIRED:
    419         rc = mm_stream_fsm_acquired(my_obj, evt, in_val, out_val);
    420         break;
    421     case MM_STREAM_STATE_CFG:
    422         rc = mm_stream_fsm_cfg(my_obj, evt, in_val, out_val);
    423         break;
    424     case MM_STREAM_STATE_BUFFED:
    425         rc = mm_stream_fsm_buffed(my_obj, evt, in_val, out_val);
    426         break;
    427     case MM_STREAM_STATE_REG:
    428         rc = mm_stream_fsm_reg(my_obj, evt, in_val, out_val);
    429         break;
    430     case MM_STREAM_STATE_ACTIVE:
    431         rc = mm_stream_fsm_active(my_obj, evt, in_val, out_val);
    432         break;
    433     default:
    434         CDBG("%s: Not a valid state (%d)", __func__, my_obj->state);
    435         break;
    436     }
    437     CDBG("%s : X rc =%d",__func__,rc);
    438     return rc;
    439 }
    440 
    441 /*===========================================================================
    442  * FUNCTION   : mm_stream_fsm_inited
    443  *
    444  * DESCRIPTION: stream finite state machine function to handle event in INITED
    445  *              state.
    446  *
    447  * PARAMETERS :
    448  *   @my_obj   : ptr to a stream object
    449  *   @evt      : stream event to be processed
    450  *   @in_val   : input event payload. Can be NULL if not needed.
    451  *   @out_val  : output payload, Can be NULL if not needed.
    452  *
    453  * RETURN     : int32_t type of status
    454  *              0  -- success
    455  *              -1 -- failure
    456  *==========================================================================*/
    457 int32_t mm_stream_fsm_inited(mm_stream_t *my_obj,
    458                              mm_stream_evt_type_t evt,
    459                              void * in_val,
    460                              void * out_val)
    461 {
    462     int32_t rc = 0;
    463     char dev_name[MM_CAMERA_DEV_NAME_LEN];
    464     const char *dev_name_value = NULL;
    465     if (NULL == my_obj) {
    466       CDBG_ERROR("%s: NULL camera object\n", __func__);
    467       return -1;
    468     }
    469 
    470     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
    471          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
    472     switch(evt) {
    473     case MM_STREAM_EVT_ACQUIRE:
    474         if ((NULL == my_obj->ch_obj) || (NULL == my_obj->ch_obj->cam_obj)) {
    475             CDBG_ERROR("%s: NULL channel or camera obj\n", __func__);
    476             rc = -1;
    477             break;
    478         }
    479 
    480         dev_name_value = mm_camera_util_get_dev_name(my_obj->ch_obj->cam_obj->my_hdl);
    481         if (NULL == dev_name_value) {
    482             CDBG_ERROR("%s: NULL device name\n", __func__);
    483             rc = -1;
    484             break;
    485         }
    486 
    487         dev_name_value = mm_camera_util_get_dev_name(my_obj->ch_obj->cam_obj->my_hdl);
    488         if (NULL == dev_name_value) {
    489             CDBG_ERROR("%s: NULL device name\n", __func__);
    490             rc = -1;
    491             break;
    492         }
    493         snprintf(dev_name, sizeof(dev_name), "/dev/%s",
    494                  dev_name_value);
    495 
    496         my_obj->fd = open(dev_name, O_RDWR | O_NONBLOCK);
    497         if (my_obj->fd < 0) {
    498             CDBG_ERROR("%s: open dev returned %d\n", __func__, my_obj->fd);
    499             rc = -1;
    500             break;
    501         }
    502         CDBG("%s: open dev fd = %d\n", __func__, my_obj->fd);
    503         rc = mm_stream_set_ext_mode(my_obj);
    504         if (0 == rc) {
    505             my_obj->state = MM_STREAM_STATE_ACQUIRED;
    506         } else {
    507             /* failed setting ext_mode
    508              * close fd */
    509             close(my_obj->fd);
    510             my_obj->fd = -1;
    511             break;
    512         }
    513         break;
    514     default:
    515         CDBG_ERROR("%s: invalid state (%d) for evt (%d), in(%p), out(%p)",
    516                    __func__, my_obj->state, evt, in_val, out_val);
    517         break;
    518     }
    519     return rc;
    520 }
    521 
    522 /*===========================================================================
    523  * FUNCTION   : mm_stream_fsm_acquired
    524  *
    525  * DESCRIPTION: stream finite state machine function to handle event in AQUIRED
    526  *              state.
    527  *
    528  * PARAMETERS :
    529  *   @my_obj   : ptr to a stream object
    530  *   @evt      : stream event to be processed
    531  *   @in_val   : input event payload. Can be NULL if not needed.
    532  *   @out_val  : output payload, Can be NULL if not needed.
    533  *
    534  * RETURN     : int32_t type of status
    535  *              0  -- success
    536  *              -1 -- failure
    537  *==========================================================================*/
    538 int32_t mm_stream_fsm_acquired(mm_stream_t *my_obj,
    539                                mm_stream_evt_type_t evt,
    540                                void * in_val,
    541                                void * out_val)
    542 {
    543     int32_t rc = 0;
    544 
    545     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
    546          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
    547     switch(evt) {
    548     case MM_STREAM_EVT_SET_FMT:
    549         {
    550             mm_camera_stream_config_t *config =
    551                 (mm_camera_stream_config_t *)in_val;
    552 
    553             rc = mm_stream_config(my_obj, config);
    554 
    555             /* change state to configed */
    556             my_obj->state = MM_STREAM_STATE_CFG;
    557 
    558             break;
    559         }
    560     case MM_STREAM_EVT_RELEASE:
    561         rc = mm_stream_release(my_obj);
    562         /* change state to not used */
    563          my_obj->state = MM_STREAM_STATE_NOTUSED;
    564         break;
    565     case MM_STREAM_EVT_SET_PARM:
    566         {
    567             mm_evt_paylod_set_get_stream_parms_t *payload =
    568                 (mm_evt_paylod_set_get_stream_parms_t *)in_val;
    569             rc = mm_stream_set_parm(my_obj, payload->parms);
    570         }
    571         break;
    572     case MM_STREAM_EVT_GET_PARM:
    573         {
    574             mm_evt_paylod_set_get_stream_parms_t *payload =
    575                 (mm_evt_paylod_set_get_stream_parms_t *)in_val;
    576             rc = mm_stream_get_parm(my_obj, payload->parms);
    577         }
    578         break;
    579     default:
    580         CDBG_ERROR("%s: invalid state (%d) for evt (%d), in(%p), out(%p)",
    581                    __func__, my_obj->state, evt, in_val, out_val);
    582     }
    583     CDBG("%s :X rc = %d", __func__, rc);
    584     return rc;
    585 }
    586 
    587 /*===========================================================================
    588  * FUNCTION   : mm_stream_fsm_cfg
    589  *
    590  * DESCRIPTION: stream finite state machine function to handle event in CONFIGURED
    591  *              state.
    592  *
    593  * PARAMETERS :
    594  *   @my_obj   : ptr to a stream object
    595  *   @evt      : stream event to be processed
    596  *   @in_val   : input event payload. Can be NULL if not needed.
    597  *   @out_val  : output payload, Can be NULL if not needed.
    598  *
    599  * RETURN     : int32_t type of status
    600  *              0  -- success
    601  *              -1 -- failure
    602  *==========================================================================*/
    603 int32_t mm_stream_fsm_cfg(mm_stream_t * my_obj,
    604                           mm_stream_evt_type_t evt,
    605                           void * in_val,
    606                           void * out_val)
    607 {
    608     int32_t rc = 0;
    609     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
    610          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
    611     switch(evt) {
    612     case MM_STREAM_EVT_SET_FMT:
    613         {
    614             mm_camera_stream_config_t *config =
    615                 (mm_camera_stream_config_t *)in_val;
    616 
    617             rc = mm_stream_config(my_obj, config);
    618 
    619             /* change state to configed */
    620             my_obj->state = MM_STREAM_STATE_CFG;
    621 
    622             break;
    623         }
    624     case MM_STREAM_EVT_RELEASE:
    625         rc = mm_stream_release(my_obj);
    626         my_obj->state = MM_STREAM_STATE_NOTUSED;
    627         break;
    628     case MM_STREAM_EVT_SET_PARM:
    629         {
    630             mm_evt_paylod_set_get_stream_parms_t *payload =
    631                 (mm_evt_paylod_set_get_stream_parms_t *)in_val;
    632             rc = mm_stream_set_parm(my_obj, payload->parms);
    633         }
    634         break;
    635     case MM_STREAM_EVT_GET_PARM:
    636         {
    637             mm_evt_paylod_set_get_stream_parms_t *payload =
    638                 (mm_evt_paylod_set_get_stream_parms_t *)in_val;
    639             rc = mm_stream_get_parm(my_obj, payload->parms);
    640         }
    641         break;
    642     case MM_STREAM_EVT_GET_BUF:
    643         rc = mm_stream_init_bufs(my_obj);
    644         /* change state to buff allocated */
    645         if(0 == rc) {
    646             my_obj->state = MM_STREAM_STATE_BUFFED;
    647         }
    648         break;
    649     default:
    650         CDBG_ERROR("%s: invalid state (%d) for evt (%d), in(%p), out(%p)",
    651                    __func__, my_obj->state, evt, in_val, out_val);
    652     }
    653     CDBG("%s :X rc = %d", __func__, rc);
    654     return rc;
    655 }
    656 
    657 /*===========================================================================
    658  * FUNCTION   : mm_stream_fsm_buffed
    659  *
    660  * DESCRIPTION: stream finite state machine function to handle event in BUFFED
    661  *              state.
    662  *
    663  * PARAMETERS :
    664  *   @my_obj   : ptr to a stream object
    665  *   @evt      : stream event to be processed
    666  *   @in_val   : input event payload. Can be NULL if not needed.
    667  *   @out_val  : output payload, Can be NULL if not needed.
    668  *
    669  * RETURN     : int32_t type of status
    670  *              0  -- success
    671  *              -1 -- failure
    672  *==========================================================================*/
    673 int32_t mm_stream_fsm_buffed(mm_stream_t * my_obj,
    674                              mm_stream_evt_type_t evt,
    675                              void * in_val,
    676                              void * out_val)
    677 {
    678     int32_t rc = 0;
    679     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
    680          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
    681     switch(evt) {
    682     case MM_STREAM_EVT_PUT_BUF:
    683         rc = mm_stream_deinit_bufs(my_obj);
    684         /* change state to configed */
    685         my_obj->state = MM_STREAM_STATE_CFG;
    686         break;
    687     case MM_STREAM_EVT_REG_BUF:
    688         rc = mm_stream_reg_buf(my_obj);
    689         /* change state to regged */
    690         if(0 == rc) {
    691             my_obj->state = MM_STREAM_STATE_REG;
    692         }
    693         break;
    694     case MM_STREAM_EVT_SET_PARM:
    695         {
    696             mm_evt_paylod_set_get_stream_parms_t *payload =
    697                 (mm_evt_paylod_set_get_stream_parms_t *)in_val;
    698             rc = mm_stream_set_parm(my_obj, payload->parms);
    699         }
    700         break;
    701     case MM_STREAM_EVT_GET_PARM:
    702         {
    703             mm_evt_paylod_set_get_stream_parms_t *payload =
    704                 (mm_evt_paylod_set_get_stream_parms_t *)in_val;
    705             rc = mm_stream_get_parm(my_obj, payload->parms);
    706         }
    707         break;
    708     default:
    709         CDBG_ERROR("%s: invalid state (%d) for evt (%d), in(%p), out(%p)",
    710                    __func__, my_obj->state, evt, in_val, out_val);
    711     }
    712     CDBG("%s :X rc = %d", __func__, rc);
    713     return rc;
    714 }
    715 
    716 /*===========================================================================
    717  * FUNCTION   : mm_stream_fsm_reg
    718  *
    719  * DESCRIPTION: stream finite state machine function to handle event in REGGED
    720  *              state.
    721  *
    722  * PARAMETERS :
    723  *   @my_obj   : ptr to a stream object
    724  *   @evt      : stream event to be processed
    725  *   @in_val   : input event payload. Can be NULL if not needed.
    726  *   @out_val  : output payload, Can be NULL if not needed.
    727  *
    728  * RETURN     : int32_t type of status
    729  *              0  -- success
    730  *              -1 -- failure
    731  *==========================================================================*/
    732 int32_t mm_stream_fsm_reg(mm_stream_t * my_obj,
    733                           mm_stream_evt_type_t evt,
    734                           void * in_val,
    735                           void * out_val)
    736 {
    737     int32_t rc = 0;
    738     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
    739          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
    740 
    741     switch(evt) {
    742     case MM_STREAM_EVT_UNREG_BUF:
    743         rc = mm_stream_unreg_buf(my_obj);
    744 
    745         /* change state to buffed */
    746         my_obj->state = MM_STREAM_STATE_BUFFED;
    747         break;
    748     case MM_STREAM_EVT_START:
    749         {
    750             uint8_t has_cb = 0;
    751             uint8_t i;
    752             /* launch cmd thread if CB is not null */
    753             pthread_mutex_lock(&my_obj->cb_lock);
    754             for (i = 0; i < MM_CAMERA_STREAM_BUF_CB_MAX; i++) {
    755                 if(NULL != my_obj->buf_cb[i].cb) {
    756                     has_cb = 1;
    757                     break;
    758                 }
    759             }
    760             pthread_mutex_unlock(&my_obj->cb_lock);
    761 
    762             if (has_cb) {
    763                 snprintf(my_obj->cmd_thread.threadName, THREAD_NAME_SIZE, "CAM_StrmAppData");
    764                 mm_camera_cmd_thread_launch(&my_obj->cmd_thread,
    765                                             mm_stream_dispatch_app_data,
    766                                             (void *)my_obj);
    767             }
    768 
    769             my_obj->state = MM_STREAM_STATE_ACTIVE;
    770             rc = mm_stream_streamon(my_obj);
    771             if (0 != rc) {
    772                 /* failed stream on, need to release cmd thread if it's launched */
    773                 if (has_cb) {
    774                     mm_camera_cmd_thread_release(&my_obj->cmd_thread);
    775                 }
    776                 my_obj->state = MM_STREAM_STATE_REG;
    777                 break;
    778             }
    779         }
    780         break;
    781     case MM_STREAM_EVT_SET_PARM:
    782         {
    783             mm_evt_paylod_set_get_stream_parms_t *payload =
    784                 (mm_evt_paylod_set_get_stream_parms_t *)in_val;
    785             rc = mm_stream_set_parm(my_obj, payload->parms);
    786         }
    787         break;
    788     case MM_STREAM_EVT_GET_PARM:
    789         {
    790             mm_evt_paylod_set_get_stream_parms_t *payload =
    791                 (mm_evt_paylod_set_get_stream_parms_t *)in_val;
    792             rc = mm_stream_get_parm(my_obj, payload->parms);
    793         }
    794         break;
    795     default:
    796         CDBG_ERROR("%s: invalid state (%d) for evt (%d), in(%p), out(%p)",
    797                    __func__, my_obj->state, evt, in_val, out_val);
    798     }
    799     CDBG("%s :X rc = %d", __func__, rc);
    800     return rc;
    801 }
    802 
    803 /*===========================================================================
    804  * FUNCTION   : mm_stream_fsm_active
    805  *
    806  * DESCRIPTION: stream finite state machine function to handle event in ACTIVE
    807  *              state.
    808  *
    809  * PARAMETERS :
    810  *   @my_obj   : ptr to a stream object
    811  *   @evt      : stream event to be processed
    812  *   @in_val   : input event payload. Can be NULL if not needed.
    813  *   @out_val  : output payload, Can be NULL if not needed.
    814  *
    815  * RETURN     : int32_t type of status
    816  *              0  -- success
    817  *              -1 -- failure
    818  *==========================================================================*/
    819 int32_t mm_stream_fsm_active(mm_stream_t * my_obj,
    820                              mm_stream_evt_type_t evt,
    821                              void * in_val,
    822                              void * out_val)
    823 {
    824     int32_t rc = 0;
    825     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
    826          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
    827     switch(evt) {
    828     case MM_STREAM_EVT_QBUF:
    829         rc = mm_stream_buf_done(my_obj, (mm_camera_buf_def_t *)in_val);
    830         break;
    831     case MM_STREAM_EVT_GET_QUEUED_BUF_COUNT:
    832         rc = mm_stream_get_queued_buf_count(my_obj);
    833         break;
    834     case MM_STREAM_EVT_STOP:
    835         {
    836             uint8_t has_cb = 0;
    837             uint8_t i;
    838             rc = mm_stream_streamoff(my_obj);
    839 
    840             pthread_mutex_lock(&my_obj->cb_lock);
    841             for (i = 0; i < MM_CAMERA_STREAM_BUF_CB_MAX; i++) {
    842                 if(NULL != my_obj->buf_cb[i].cb) {
    843                     has_cb = 1;
    844                     break;
    845                 }
    846             }
    847             pthread_mutex_unlock(&my_obj->cb_lock);
    848 
    849             if (has_cb) {
    850                 mm_camera_cmd_thread_release(&my_obj->cmd_thread);
    851             }
    852             my_obj->state = MM_STREAM_STATE_REG;
    853         }
    854         break;
    855     case MM_STREAM_EVT_SET_PARM:
    856         {
    857             mm_evt_paylod_set_get_stream_parms_t *payload =
    858                 (mm_evt_paylod_set_get_stream_parms_t *)in_val;
    859             rc = mm_stream_set_parm(my_obj, payload->parms);
    860         }
    861         break;
    862     case MM_STREAM_EVT_GET_PARM:
    863         {
    864             mm_evt_paylod_set_get_stream_parms_t *payload =
    865                 (mm_evt_paylod_set_get_stream_parms_t *)in_val;
    866             rc = mm_stream_get_parm(my_obj, payload->parms);
    867         }
    868         break;
    869     case MM_STREAM_EVT_DO_ACTION:
    870         rc = mm_stream_do_action(my_obj, in_val);
    871         break;
    872     default:
    873         CDBG_ERROR("%s: invalid state (%d) for evt (%d), in(%p), out(%p)",
    874                    __func__, my_obj->state, evt, in_val, out_val);
    875     }
    876     CDBG("%s :X rc = %d", __func__, rc);
    877     return rc;
    878 }
    879 
    880 /*===========================================================================
    881  * FUNCTION   : mm_stream_config
    882  *
    883  * DESCRIPTION: configure a stream
    884  *
    885  * PARAMETERS :
    886  *   @my_obj       : stream object
    887  *   @config       : stream configuration
    888  *
    889  * RETURN     : int32_t type of status
    890  *              0  -- success
    891  *              -1 -- failure
    892  *==========================================================================*/
    893 int32_t mm_stream_config(mm_stream_t *my_obj,
    894                          mm_camera_stream_config_t *config)
    895 {
    896     int32_t rc = 0;
    897     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
    898          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
    899     my_obj->stream_info = config->stream_info;
    900     my_obj->buf_num = (uint8_t) config->stream_info->num_bufs;
    901     my_obj->mem_vtbl = config->mem_vtbl;
    902     my_obj->padding_info = config->padding_info;
    903     /* cd through intf always palced at idx 0 of buf_cb */
    904     my_obj->buf_cb[0].cb = config->stream_cb;
    905     my_obj->buf_cb[0].user_data = config->userdata;
    906     my_obj->buf_cb[0].cb_count = -1; /* infinite by default */
    907 
    908     rc = mm_stream_sync_info(my_obj);
    909     if (rc == 0) {
    910         rc = mm_stream_set_fmt(my_obj);
    911     }
    912     return rc;
    913 }
    914 
    915 /*===========================================================================
    916  * FUNCTION   : mm_stream_release
    917  *
    918  * DESCRIPTION: release a stream resource
    919  *
    920  * PARAMETERS :
    921  *   @my_obj       : stream object
    922  *
    923  * RETURN     : int32_t type of status
    924  *              0  -- success
    925  *              -1 -- failure
    926  *==========================================================================*/
    927 int32_t mm_stream_release(mm_stream_t *my_obj)
    928 {
    929     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
    930          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
    931 
    932     /* close fd */
    933     if(my_obj->fd >= 0)
    934     {
    935         close(my_obj->fd);
    936     }
    937 
    938     /* destroy mutex */
    939     pthread_mutex_destroy(&my_obj->buf_lock);
    940     pthread_mutex_destroy(&my_obj->cb_lock);
    941 
    942     /* reset stream obj */
    943     memset(my_obj, 0, sizeof(mm_stream_t));
    944     my_obj->fd = -1;
    945 
    946     return 0;
    947 }
    948 
    949 /*===========================================================================
    950  * FUNCTION   : mm_stream_streamon
    951  *
    952  * DESCRIPTION: stream on a stream. sending v4l2 request to kernel
    953  *
    954  * PARAMETERS :
    955  *   @my_obj       : stream object
    956  *
    957  * RETURN     : int32_t type of status
    958  *              0  -- success
    959  *              -1 -- failure
    960  *==========================================================================*/
    961 int32_t mm_stream_streamon(mm_stream_t *my_obj)
    962 {
    963     int32_t rc;
    964     enum v4l2_buf_type buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
    965 
    966     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
    967          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
    968 
    969     rc = ioctl(my_obj->fd, VIDIOC_STREAMON, &buf_type);
    970     if (rc < 0) {
    971         CDBG_ERROR("%s: ioctl VIDIOC_STREAMON failed: rc=%d\n",
    972                    __func__, rc);
    973         /* remove fd from data poll thread in case of failure */
    974         mm_camera_poll_thread_del_poll_fd(&my_obj->ch_obj->poll_thread[0], my_obj->my_hdl, mm_camera_sync_call);
    975     }
    976     CDBG("%s :X rc = %d",__func__,rc);
    977     return rc;
    978 }
    979 
    980 /*===========================================================================
    981  * FUNCTION   : mm_stream_streamoff
    982  *
    983  * DESCRIPTION: stream off a stream. sending v4l2 request to kernel
    984  *
    985  * PARAMETERS :
    986  *   @my_obj       : stream object
    987  *
    988  * RETURN     : int32_t type of status
    989  *              0  -- success
    990  *              -1 -- failure
    991  *==========================================================================*/
    992 int32_t mm_stream_streamoff(mm_stream_t *my_obj)
    993 {
    994     int32_t rc;
    995     enum v4l2_buf_type buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
    996     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
    997          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
    998 
    999     /* step1: remove fd from data poll thread */
   1000     rc = mm_camera_poll_thread_del_poll_fd(&my_obj->ch_obj->poll_thread[0],
   1001             my_obj->my_hdl, mm_camera_sync_call);
   1002     if (rc < 0) {
   1003         /* The error might be due to async update. In this case
   1004          * wait for all updates to complete before proceeding. */
   1005         rc = mm_camera_poll_thread_commit_updates(&my_obj->ch_obj->poll_thread[0]);
   1006         if (rc < 0) {
   1007             CDBG_ERROR("%s: Poll sync failed %d",
   1008                  __func__, rc);
   1009         }
   1010     }
   1011 
   1012     /* step2: stream off */
   1013     rc = ioctl(my_obj->fd, VIDIOC_STREAMOFF, &buf_type);
   1014     if (rc < 0) {
   1015         CDBG_ERROR("%s: STREAMOFF failed: %s\n",
   1016                 __func__, strerror(errno));
   1017     }
   1018     CDBG("%s :X rc = %d",__func__,rc);
   1019     return rc;
   1020 }
   1021 
   1022 /*===========================================================================
   1023  * FUNCTION   : mm_stream_write_user_buf
   1024  *
   1025  * DESCRIPTION: dequeue a stream buffer from user buffer queue and fill internal structure
   1026  *
   1027  * PARAMETERS :
   1028  *   @my_obj       : stream object
   1029  *   @buf     : ptr to a struct storing buffer information
   1030  *
   1031  * RETURN     : int32_t type of status
   1032  *              0  -- success
   1033  *              -1 -- failure
   1034  *==========================================================================*/
   1035 int32_t mm_stream_write_user_buf(mm_stream_t * my_obj,
   1036         mm_camera_buf_def_t *buf)
   1037 {
   1038     int32_t rc = 0, i;
   1039     int32_t index = -1, count = 0;
   1040     struct msm_camera_user_buf_cont_t *cont_buf = NULL;
   1041 
   1042     if (buf->buf_type == CAM_STREAM_BUF_TYPE_USERPTR) {
   1043         my_obj->buf_status[buf->buf_idx].buf_refcnt--;
   1044         if (0 == my_obj->buf_status[buf->buf_idx].buf_refcnt) {
   1045             cont_buf = (struct msm_camera_user_buf_cont_t *)my_obj->buf[buf->buf_idx].buffer;
   1046             cont_buf->buf_cnt = my_obj->buf[buf->buf_idx].user_buf.bufs_used;
   1047             for (i = 0; i < (int32_t)cont_buf->buf_cnt; i++) {
   1048                 cont_buf->buf_idx[i] = my_obj->buf[buf->buf_idx].user_buf.buf_idx[i];
   1049             }
   1050             rc = mm_stream_qbuf(my_obj, buf);
   1051             if(rc < 0) {
   1052                 CDBG_ERROR("%s: mm_camera_stream_qbuf(idx=%d) err=%d\n",
   1053                            __func__, buf->buf_idx, rc);
   1054             } else {
   1055                 for (i = 0; i < (int32_t)cont_buf->buf_cnt; i++) {
   1056                     my_obj->buf[buf->buf_idx].user_buf.buf_idx[i] = -1;
   1057                 }
   1058                 my_obj->buf_status[buf->buf_idx].in_kernel = 1;
   1059                 my_obj->buf[buf->buf_idx].user_buf.buf_in_use = 1;
   1060             }
   1061         } else {
   1062             CDBG("<DEBUG> : ref count pending count :%d idx = %d",
   1063                  my_obj->buf_status[buf->buf_idx].buf_refcnt, buf->buf_idx);
   1064         }
   1065         return rc;
   1066     }
   1067 
   1068     if ((my_obj->cur_buf_idx < 0)
   1069             || (my_obj->cur_buf_idx >= my_obj->buf_num)) {
   1070         for (i = 0; i < my_obj->buf_num; i++) {
   1071             if ((my_obj->buf_status[i].in_kernel)
   1072                     || (my_obj->buf[i].user_buf.buf_in_use)) {
   1073                 continue;
   1074             }
   1075 
   1076             my_obj->cur_buf_idx = index = i;
   1077             break;
   1078         }
   1079     } else {
   1080         index = my_obj->cur_buf_idx;
   1081     }
   1082 
   1083     if (index == -1) {
   1084         CDBG_ERROR("%s: No Free batch buffer", __func__);
   1085         rc = -1;
   1086         return rc;
   1087     }
   1088 
   1089     //Insert Buffer to Batch structure.
   1090     my_obj->buf[index].user_buf.buf_idx[count] = buf->buf_idx;
   1091     my_obj->cur_bufs_staged++;
   1092 
   1093     CDBG("%s index = %d filled = %d used = %d", __func__,
   1094             index,
   1095             my_obj->cur_bufs_staged,
   1096             my_obj->buf[index].user_buf.bufs_used);
   1097 
   1098     if (my_obj->cur_bufs_staged
   1099             == my_obj->buf[index].user_buf.bufs_used){
   1100         my_obj->buf_status[index].buf_refcnt--;
   1101         if (0 == my_obj->buf_status[index].buf_refcnt) {
   1102             cont_buf = (struct msm_camera_user_buf_cont_t *)my_obj->buf[index].buffer;
   1103             cont_buf->buf_cnt = my_obj->buf[index].user_buf.bufs_used;
   1104             for (i = 0; i < (int32_t)cont_buf->buf_cnt; i++) {
   1105                 cont_buf->buf_idx[i] = my_obj->buf[index].user_buf.buf_idx[i];
   1106             }
   1107             rc = mm_stream_qbuf(my_obj, &my_obj->buf[index]);
   1108             if(rc < 0) {
   1109                 CDBG_ERROR("%s: mm_camera_stream_qbuf(idx=%d) err=%d\n",
   1110                            __func__, index, rc);
   1111             } else {
   1112                 for (i = 0; i < (int32_t)cont_buf->buf_cnt; i++) {
   1113                     my_obj->buf[index].user_buf.buf_idx[i] = -1;
   1114                 }
   1115                 my_obj->buf_status[index].in_kernel = 1;
   1116                 my_obj->buf[index].user_buf.buf_in_use = 1;
   1117                 my_obj->cur_bufs_staged = 0;
   1118                 my_obj->cur_buf_idx = -1;
   1119             }
   1120         }else{
   1121             CDBG("<DEBUG> : ref count pending count :%d idx = %d",
   1122                  my_obj->buf_status[index].buf_refcnt, index);
   1123         }
   1124     }
   1125 
   1126     return rc;
   1127 }
   1128 
   1129 /*===========================================================================
   1130  * FUNCTION   : mm_stream_read_user_buf
   1131  *
   1132  * DESCRIPTION: dequeue a stream buffer from user buffer queue and fill internal structure
   1133  *
   1134  * PARAMETERS :
   1135  *   @my_obj       : stream object
   1136  *   @buf_info     : ptr to a struct storing buffer information
   1137  *
   1138  * RETURN     : int32_t type of status
   1139  *              0  -- success
   1140  *              -1 -- failure
   1141  *==========================================================================*/
   1142 int32_t mm_stream_read_user_buf(mm_stream_t * my_obj,
   1143         mm_camera_buf_info_t* buf_info)
   1144 {
   1145     int32_t rc = 0, i;
   1146     mm_camera_buf_def_t *stream_buf  = NULL;
   1147     struct msm_camera_user_buf_cont_t *user_buf = NULL;
   1148     nsecs_t interval_nsec = 0, frame_ts = 0, timeStamp = 0;
   1149     int ts_delta = 0;
   1150     uint32_t frameID = 0;
   1151 
   1152     user_buf = (struct msm_camera_user_buf_cont_t *)buf_info->buf->buffer;
   1153 
   1154     if(user_buf != my_obj->buf[buf_info->buf->buf_idx].buffer) {
   1155         CDBG_ERROR("%s : Buffer modified. ERROR",__func__);
   1156         rc = -1;
   1157         return rc;
   1158     }
   1159 
   1160     if (buf_info->buf->frame_idx == 1) {
   1161         frameID = buf_info->buf->frame_idx;
   1162     }else {
   1163         frameID = (buf_info->buf->frame_idx - 1) * user_buf->buf_cnt;
   1164     }
   1165 
   1166     timeStamp = (nsecs_t)(buf_info->buf->ts.tv_sec) *
   1167             1000000000LL + buf_info->buf->ts.tv_nsec;
   1168 
   1169     if (timeStamp <= my_obj->prev_timestamp) {
   1170         CDBG_ERROR("%s: TimeStamp received less than expected", __func__);
   1171         mm_stream_qbuf(my_obj, buf_info->buf);
   1172         return rc;
   1173     } else if (my_obj->prev_timestamp == 0
   1174             || (my_obj->prev_frameID != buf_info->buf->frame_idx + 1)) {
   1175         /* For first frame or incase batch is droped */
   1176         interval_nsec = ((my_obj->stream_info->user_buf_info.frameInterval) * 1000000);
   1177         my_obj->prev_timestamp = (timeStamp - (nsecs_t)(user_buf->buf_cnt * interval_nsec));
   1178     } else {
   1179         ts_delta = timeStamp - my_obj->prev_timestamp;
   1180         interval_nsec = (nsecs_t)(ts_delta / user_buf->buf_cnt);
   1181         CDBG("%s: Timestamp delta = %d timestamp = %lld",__func__, ts_delta, timeStamp);
   1182     }
   1183 
   1184     for (i = 0; i < (int32_t)user_buf->buf_cnt; i++) {
   1185         buf_info->buf->user_buf.buf_idx[i] = user_buf->buf_idx[i];
   1186         stream_buf = &my_obj->plane_buf[user_buf->buf_idx[i]];
   1187         stream_buf->frame_idx = frameID + i;
   1188 
   1189         frame_ts  = (i * interval_nsec) + my_obj->prev_timestamp;
   1190 
   1191         stream_buf->ts.tv_sec  = (frame_ts / 1000000000LL);
   1192         stream_buf->ts.tv_nsec = (frame_ts - (stream_buf->ts.tv_sec * 1000000000LL));
   1193         stream_buf->is_uv_subsampled = buf_info->buf->is_uv_subsampled;
   1194 
   1195         CDBG("%s: buf_index %d, frame_idx %d, stream type %d, timestamp = %lld",
   1196                 __func__, stream_buf->buf_idx, stream_buf->frame_idx,
   1197                 my_obj->stream_info->stream_type, frame_ts);
   1198     }
   1199 
   1200     buf_info->buf->ts.tv_sec  = (my_obj->prev_timestamp / 1000000000LL);
   1201     buf_info->buf->ts.tv_nsec = (my_obj->prev_timestamp -
   1202             (buf_info->buf->ts.tv_sec * 1000000000LL));
   1203 
   1204     buf_info->buf->user_buf.bufs_used = user_buf->buf_cnt;
   1205     buf_info->buf->user_buf.buf_in_use = 1;
   1206 
   1207     my_obj->prev_timestamp = timeStamp;
   1208     my_obj->prev_frameID = buf_info->buf->frame_idx;
   1209 
   1210     CDBG("%s :X rc = %d",__func__,rc);
   1211     return rc;
   1212 }
   1213 
   1214 /*===========================================================================
   1215  * FUNCTION   : mm_stream_read_msm_frame
   1216  *
   1217  * DESCRIPTION: dequeue a stream buffer from kernel queue
   1218  *
   1219  * PARAMETERS :
   1220  *   @my_obj       : stream object
   1221  *   @buf_info     : ptr to a struct storing buffer information
   1222  *   @num_planes   : number of planes in the buffer
   1223  *
   1224  * RETURN     : int32_t type of status
   1225  *              0  -- success
   1226  *              -1 -- failure
   1227  *==========================================================================*/
   1228 int32_t mm_stream_read_msm_frame(mm_stream_t * my_obj,
   1229                                  mm_camera_buf_info_t* buf_info,
   1230                                  uint8_t num_planes)
   1231 {
   1232     int32_t rc = 0;
   1233     struct v4l2_buffer vb;
   1234     struct v4l2_plane planes[VIDEO_MAX_PLANES];
   1235     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
   1236          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
   1237 
   1238     memset(&vb,  0,  sizeof(vb));
   1239     vb.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
   1240     vb.memory = V4L2_MEMORY_USERPTR;
   1241     vb.m.planes = &planes[0];
   1242     vb.length = num_planes;
   1243 
   1244     rc = ioctl(my_obj->fd, VIDIOC_DQBUF, &vb);
   1245     if (0 > rc) {
   1246         CDBG_ERROR("%s: VIDIOC_DQBUF ioctl call failed on stream type %d (rc=%d): %s",
   1247             __func__, my_obj->stream_info->stream_type, rc, strerror(errno));
   1248     } else {
   1249         pthread_mutex_lock(&my_obj->buf_lock);
   1250         my_obj->queued_buffer_count--;
   1251         if (0 == my_obj->queued_buffer_count) {
   1252             CDBG_HIGH("%s: Stoping poll on stream %p type: %d", __func__,
   1253                 my_obj, my_obj->stream_info->stream_type);
   1254             mm_camera_poll_thread_del_poll_fd(&my_obj->ch_obj->poll_thread[0],
   1255                 my_obj->my_hdl, mm_camera_async_call);
   1256             CDBG_HIGH("%s: Stopped poll on stream %p type: %d", __func__,
   1257                 my_obj, my_obj->stream_info->stream_type);
   1258         }
   1259         uint32_t idx = vb.index;
   1260         buf_info->buf = &my_obj->buf[idx];
   1261         buf_info->frame_idx = vb.sequence;
   1262         buf_info->stream_id = my_obj->my_hdl;
   1263 
   1264         buf_info->buf->stream_id = my_obj->my_hdl;
   1265         buf_info->buf->buf_idx = idx;
   1266         buf_info->buf->frame_idx = vb.sequence;
   1267         buf_info->buf->ts.tv_sec  = vb.timestamp.tv_sec;
   1268         buf_info->buf->ts.tv_nsec = vb.timestamp.tv_usec * 1000;
   1269 
   1270         CDBG("%s: VIDIOC_DQBUF buf_index %d, frame_idx %d, stream type %d, rc %d,"
   1271                 "queued: %d, buf_type = %d",
   1272             __func__, vb.index, buf_info->buf->frame_idx,
   1273             my_obj->stream_info->stream_type, rc,
   1274             my_obj->queued_buffer_count, buf_info->buf->buf_type);
   1275 
   1276         buf_info->buf->is_uv_subsampled =
   1277             (vb.reserved == V4L2_PIX_FMT_NV14 || vb.reserved == V4L2_PIX_FMT_NV41);
   1278 
   1279         if(buf_info->buf->buf_type == CAM_STREAM_BUF_TYPE_USERPTR) {
   1280             mm_stream_read_user_buf(my_obj, buf_info);
   1281         }
   1282         pthread_mutex_unlock(&my_obj->buf_lock);
   1283 
   1284         if ( NULL != my_obj->mem_vtbl.clean_invalidate_buf ) {
   1285             rc = my_obj->mem_vtbl.clean_invalidate_buf(idx,
   1286                 my_obj->mem_vtbl.user_data);
   1287             if (0 > rc) {
   1288                 CDBG_ERROR("%s: Clean invalidate cache failed on buffer index: %d",
   1289                     __func__, idx);
   1290             }
   1291         } else {
   1292             CDBG_ERROR("%s: Clean invalidate cache op not supported", __func__);
   1293         }
   1294     }
   1295 
   1296     CDBG("%s :X rc = %d",__func__,rc);
   1297     return rc;
   1298 }
   1299 
   1300 /*===========================================================================
   1301  * FUNCTION   : mm_stream_set_parms
   1302  *
   1303  * DESCRIPTION: set parameters per stream
   1304  *
   1305  * PARAMETERS :
   1306  *   @my_obj       : stream object
   1307  *   @in_value     : ptr to a param struct to be set to server
   1308  *
   1309  * RETURN     : int32_t type of status
   1310  *              0  -- success
   1311  *              -1 -- failure
   1312  * NOTE       : Assume the parms struct buf is already mapped to server via
   1313  *              domain socket. Corresponding fields of parameters to be set
   1314  *              are already filled in by upper layer caller.
   1315  *==========================================================================*/
   1316 int32_t mm_stream_set_parm(mm_stream_t *my_obj,
   1317                            cam_stream_parm_buffer_t *in_value)
   1318 {
   1319     int32_t rc = -1;
   1320     int32_t value = 0;
   1321     if (in_value != NULL) {
   1322         rc = mm_camera_util_s_ctrl(my_obj->fd, CAM_PRIV_STREAM_PARM, &value);
   1323     }
   1324     return rc;
   1325 }
   1326 
   1327 /*===========================================================================
   1328  * FUNCTION   : mm_stream_get_parms
   1329  *
   1330  * DESCRIPTION: get parameters per stream
   1331  *
   1332  * PARAMETERS :
   1333  *   @my_obj       : stream object
   1334  *   @in_value     : ptr to a param struct to be get from server
   1335  *
   1336  * RETURN     : int32_t type of status
   1337  *              0  -- success
   1338  *              -1 -- failure
   1339  * NOTE       : Assume the parms struct buf is already mapped to server via
   1340  *              domain socket. Corresponding fields of parameters to be get
   1341  *              are already filled in by upper layer caller.
   1342  *==========================================================================*/
   1343 int32_t mm_stream_get_parm(mm_stream_t *my_obj,
   1344                            cam_stream_parm_buffer_t *in_value)
   1345 {
   1346     int32_t rc = -1;
   1347     int32_t value = 0;
   1348     if (in_value != NULL) {
   1349         rc = mm_camera_util_g_ctrl(my_obj->fd, CAM_PRIV_STREAM_PARM, &value);
   1350     }
   1351     return rc;
   1352 }
   1353 
   1354 /*===========================================================================
   1355  * FUNCTION   : mm_stream_do_actions
   1356  *
   1357  * DESCRIPTION: request server to perform stream based actions
   1358  *
   1359  * PARAMETERS :
   1360  *   @my_obj       : stream object
   1361  *   @in_value     : ptr to a struct of actions to be performed by the server
   1362  *
   1363  * RETURN     : int32_t type of status
   1364  *              0  -- success
   1365  *              -1 -- failure
   1366  * NOTE       : Assume the action struct buf is already mapped to server via
   1367  *              domain socket. Corresponding fields of actions to be performed
   1368  *              are already filled in by upper layer caller.
   1369  *==========================================================================*/
   1370 int32_t mm_stream_do_action(mm_stream_t *my_obj,
   1371                             void *in_value)
   1372 {
   1373     int32_t rc = -1;
   1374     int32_t value = 0;
   1375     if (in_value != NULL) {
   1376         rc = mm_camera_util_s_ctrl(my_obj->fd, CAM_PRIV_STREAM_PARM, &value);
   1377     }
   1378     return rc;
   1379 }
   1380 
   1381 /*===========================================================================
   1382  * FUNCTION   : mm_stream_set_ext_mode
   1383  *
   1384  * DESCRIPTION: set stream extended mode to server via v4l2 ioctl
   1385  *
   1386  * PARAMETERS :
   1387  *   @my_obj       : stream object
   1388  *
   1389  * RETURN     : int32_t type of status
   1390  *              0  -- success
   1391  *              -1 -- failure
   1392  * NOTE       : Server will return a server stream id that uniquely identify
   1393  *              this stream on server side. Later on communication to server
   1394  *              per stream should use this server stream id.
   1395  *==========================================================================*/
   1396 int32_t mm_stream_set_ext_mode(mm_stream_t * my_obj)
   1397 {
   1398     int32_t rc = 0;
   1399     struct v4l2_streamparm s_parm;
   1400     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
   1401          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
   1402 
   1403     memset(&s_parm, 0, sizeof(s_parm));
   1404     s_parm.type =  V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
   1405 
   1406     rc = ioctl(my_obj->fd, VIDIOC_S_PARM, &s_parm);
   1407     CDBG("%s:stream fd=%d, rc=%d, extended_mode=%d\n",
   1408          __func__, my_obj->fd, rc, s_parm.parm.capture.extendedmode);
   1409     if (rc == 0) {
   1410         /* get server stream id */
   1411         my_obj->server_stream_id = s_parm.parm.capture.extendedmode;
   1412     }
   1413     return rc;
   1414 }
   1415 
   1416 /*===========================================================================
   1417  * FUNCTION   : mm_stream_qbuf
   1418  *
   1419  * DESCRIPTION: enqueue buffer back to kernel queue for furture use
   1420  *
   1421  * PARAMETERS :
   1422  *   @my_obj       : stream object
   1423  *   @buf          : ptr to a struct storing buffer information
   1424  *
   1425  * RETURN     : int32_t type of status
   1426  *              0  -- success
   1427  *              -1 -- failure
   1428  *==========================================================================*/
   1429 int32_t mm_stream_qbuf(mm_stream_t *my_obj, mm_camera_buf_def_t *buf)
   1430 {
   1431     int32_t rc = 0;
   1432     uint32_t length = 0;
   1433     struct v4l2_buffer buffer;
   1434     struct v4l2_plane planes[VIDEO_MAX_PLANES];
   1435     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d, stream type = %d",
   1436          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state,
   1437          my_obj->stream_info->stream_type);
   1438 
   1439     if (buf->buf_type == CAM_STREAM_BUF_TYPE_USERPTR) {
   1440         CDBG("%s: USERPTR num_buf = %d, idx = %d", __func__,
   1441                 buf->user_buf.bufs_used, buf->buf_idx);
   1442         memset(&planes, 0, sizeof(planes));
   1443         planes[0].length = my_obj->stream_info->user_buf_info.size;
   1444         planes[0].m.userptr = buf->fd;
   1445         length = 1;
   1446     } else {
   1447         memcpy(planes, buf->planes_buf.planes, sizeof(planes));
   1448         length = buf->planes_buf.num_planes;
   1449 
   1450         CDBG("%s:plane 0: stream_hdl=%u,fd=%d,frame idx=%d,num_planes = %u, "
   1451                 "offset = %d, data_offset = %d\n", __func__,
   1452                  buf->stream_id, buf->fd, buffer.index, buffer.length,
   1453                  buf->planes_buf.planes[0].reserved[0],
   1454                  buf->planes_buf.planes[0].data_offset);
   1455         CDBG("%s:plane 1: stream_hdl=%u,fd=%d,frame idx=%d,num_planes = %u, "
   1456                 "offset = %d, data_offset = %d\n", __func__,
   1457                  buf->stream_id, buf->fd, buffer.index, buffer.length,
   1458                  buf->planes_buf.planes[1].reserved[0],
   1459                  buf->planes_buf.planes[1].data_offset);
   1460     }
   1461 
   1462     memset(&buffer, 0, sizeof(buffer));
   1463     buffer.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
   1464     buffer.memory = V4L2_MEMORY_USERPTR;
   1465     buffer.index = (__u32)buf->buf_idx;
   1466     buffer.m.planes = &planes[0];
   1467     buffer.length = (__u32)length;
   1468 
   1469     if ( NULL != my_obj->mem_vtbl.invalidate_buf ) {
   1470         rc = my_obj->mem_vtbl.invalidate_buf(buffer.index,
   1471                                              my_obj->mem_vtbl.user_data);
   1472         if ( 0 > rc ) {
   1473             CDBG_ERROR("%s: Cache invalidate failed on buffer index: %d",
   1474                        __func__,
   1475                        buffer.index);
   1476             return rc;
   1477         }
   1478     } else {
   1479         CDBG_ERROR("%s: Cache invalidate op not added", __func__);
   1480     }
   1481 
   1482     my_obj->queued_buffer_count++;
   1483     if (1 == my_obj->queued_buffer_count) {
   1484         /* Add fd to data poll thread */
   1485         CDBG_HIGH("%s: Starting poll on stream %p type: %d", __func__,
   1486             my_obj,my_obj->stream_info->stream_type);
   1487         rc = mm_camera_poll_thread_add_poll_fd(&my_obj->ch_obj->poll_thread[0],
   1488             my_obj->my_hdl, my_obj->fd, mm_stream_data_notify, (void*)my_obj,
   1489             mm_camera_async_call);
   1490         if (0 > rc) {
   1491             CDBG_ERROR("%s: Add poll on stream %p type: %d fd error (rc=%d)",
   1492                 __func__, my_obj, my_obj->stream_info->stream_type, rc);
   1493         } else {
   1494             CDBG_HIGH("%s: Started poll on stream %p type: %d", __func__,
   1495                 my_obj, my_obj->stream_info->stream_type);
   1496         }
   1497     }
   1498 
   1499     rc = ioctl(my_obj->fd, VIDIOC_QBUF, &buffer);
   1500     if (0 > rc) {
   1501         CDBG_ERROR("%s: VIDIOC_QBUF ioctl call failed on stream type %d (rc=%d): %s",
   1502             __func__, my_obj->stream_info->stream_type, rc, strerror(errno));
   1503         my_obj->queued_buffer_count--;
   1504         if (0 == my_obj->queued_buffer_count) {
   1505             /* Remove fd from data poll in case of failing
   1506              * first buffer queuing attempt */
   1507             CDBG_HIGH("%s: Stoping poll on stream %p type: %d", __func__,
   1508                 my_obj, my_obj->stream_info->stream_type);
   1509             mm_camera_poll_thread_del_poll_fd(&my_obj->ch_obj->poll_thread[0],
   1510                 my_obj->my_hdl, mm_camera_async_call);
   1511             CDBG_HIGH("%s: Stopped poll on stream %p type: %d", __func__,
   1512                 my_obj, my_obj->stream_info->stream_type);
   1513         }
   1514     } else {
   1515         CDBG("%s: VIDIOC_QBUF buf_index %d, stream type %d, rc %d, queued: %d", __func__,
   1516             buffer.index, my_obj->stream_info->stream_type, rc, my_obj->queued_buffer_count);
   1517     }
   1518 
   1519     return rc;
   1520 }
   1521 
   1522 /*===========================================================================
   1523  * FUNCTION   : mm_stream_request_buf
   1524  *
   1525  * DESCRIPTION: This function let kernel know the amount of buffers need to
   1526  *              be registered via v4l2 ioctl.
   1527  *
   1528  * PARAMETERS :
   1529  *   @my_obj       : stream object
   1530  *
   1531  * RETURN     : int32_t type of status
   1532  *              0  -- success
   1533  *              -1 -- failure
   1534  *==========================================================================*/
   1535 int32_t mm_stream_request_buf(mm_stream_t * my_obj)
   1536 {
   1537     int32_t rc = 0;
   1538     struct v4l2_requestbuffers bufreq;
   1539     uint8_t buf_num = my_obj->buf_num;
   1540     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
   1541          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
   1542 
   1543     CDBG("%s: buf_num = %d, stream type = %d",
   1544          __func__, buf_num, my_obj->stream_info->stream_type);
   1545 
   1546     if(buf_num > MM_CAMERA_MAX_NUM_FRAMES) {
   1547         CDBG_ERROR("%s: buf num %d > max limit %d\n",
   1548                    __func__, buf_num, MM_CAMERA_MAX_NUM_FRAMES);
   1549         return -1;
   1550     }
   1551 
   1552     memset(&bufreq, 0, sizeof(bufreq));
   1553     bufreq.count = buf_num;
   1554     bufreq.type  = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
   1555     bufreq.memory = V4L2_MEMORY_USERPTR;
   1556     rc = ioctl(my_obj->fd, VIDIOC_REQBUFS, &bufreq);
   1557     if (rc < 0) {
   1558       CDBG_ERROR("%s: fd=%d, ioctl VIDIOC_REQBUFS failed: rc=%d\n",
   1559            __func__, my_obj->fd, rc);
   1560     }
   1561 
   1562     CDBG("%s :X rc = %d",__func__,rc);
   1563     return rc;
   1564 }
   1565 
   1566 /*===========================================================================
   1567  * FUNCTION   : mm_stream_map_buf
   1568  *
   1569  * DESCRIPTION: mapping stream buffer via domain socket to server
   1570  *
   1571  * PARAMETERS :
   1572  *   @my_obj       : stream object
   1573  *   @buf_type     : type of buffer to be mapped. could be following values:
   1574  *                   CAM_MAPPING_BUF_TYPE_STREAM_BUF
   1575  *                   CAM_MAPPING_BUF_TYPE_STREAM_INFO
   1576  *                   CAM_MAPPING_BUF_TYPE_OFFLINE_INPUT_BUF
   1577  *   @frame_idx    : index of buffer within the stream buffers, only valid if
   1578  *                   buf_type is CAM_MAPPING_BUF_TYPE_STREAM_BUF or
   1579  *                   CAM_MAPPING_BUF_TYPE_OFFLINE_INPUT_BUF
   1580  *   @plane_idx    : plane index. If all planes share the same fd,
   1581  *                   plane_idx = -1; otherwise, plean_idx is the
   1582  *                   index to plane (0..num_of_planes)
   1583  *   @fd           : file descriptor of the buffer
   1584  *   @size         : size of the buffer
   1585  *
   1586  * RETURN     : int32_t type of status
   1587  *              0  -- success
   1588  *              -1 -- failure
   1589  *==========================================================================*/
   1590 int32_t mm_stream_map_buf(mm_stream_t * my_obj,
   1591                           uint8_t buf_type,
   1592                           uint32_t frame_idx,
   1593                           int32_t plane_idx,
   1594                           int32_t fd,
   1595                           size_t size)
   1596 {
   1597     if (NULL == my_obj || NULL == my_obj->ch_obj || NULL == my_obj->ch_obj->cam_obj) {
   1598         CDBG_ERROR("%s: NULL obj of stream/channel/camera", __func__);
   1599         return -1;
   1600     }
   1601     cam_sock_packet_t packet;
   1602     memset(&packet, 0, sizeof(cam_sock_packet_t));
   1603     packet.msg_type = CAM_MAPPING_TYPE_FD_MAPPING;
   1604     packet.payload.buf_map.type = buf_type;
   1605     packet.payload.buf_map.fd = fd;
   1606     packet.payload.buf_map.size = size;
   1607     packet.payload.buf_map.stream_id = my_obj->server_stream_id;
   1608     packet.payload.buf_map.frame_idx = frame_idx;
   1609     packet.payload.buf_map.plane_idx = plane_idx;
   1610     return mm_camera_util_sendmsg(my_obj->ch_obj->cam_obj,
   1611                                   &packet,
   1612                                   sizeof(cam_sock_packet_t),
   1613                                   fd);
   1614 }
   1615 
   1616 /*===========================================================================
   1617  * FUNCTION   : mm_stream_unmap_buf
   1618  *
   1619  * DESCRIPTION: unmapping stream buffer via domain socket to server
   1620  *
   1621  * PARAMETERS :
   1622  *   @my_obj       : stream object
   1623  *   @buf_type     : type of buffer to be unmapped. could be following values:
   1624  *                   CAM_MAPPING_BUF_TYPE_STREAM_BUF
   1625  *                   CAM_MAPPING_BUF_TYPE_STREAM_INFO
   1626  *                   CAM_MAPPING_BUF_TYPE_OFFLINE_INPUT_BUF
   1627  *   @frame_idx    : index of buffer within the stream buffers, only valid if
   1628  *                   buf_type is CAM_MAPPING_BUF_TYPE_STREAM_BUF or
   1629  *                   CAM_MAPPING_BUF_TYPE_OFFLINE_INPUT_BUF
   1630  *   @plane_idx    : plane index. If all planes share the same fd,
   1631  *                   plane_idx = -1; otherwise, plean_idx is the
   1632  *                   index to plane (0..num_of_planes)
   1633  *
   1634  * RETURN     : int32_t type of status
   1635  *              0  -- success
   1636  *              -1 -- failure
   1637  *==========================================================================*/
   1638 int32_t mm_stream_unmap_buf(mm_stream_t * my_obj,
   1639                             uint8_t buf_type,
   1640                             uint32_t frame_idx,
   1641                             int32_t plane_idx)
   1642 {
   1643     if (NULL == my_obj || NULL == my_obj->ch_obj || NULL == my_obj->ch_obj->cam_obj) {
   1644         CDBG_ERROR("%s: NULL obj of stream/channel/camera", __func__);
   1645         return -1;
   1646     }
   1647     cam_sock_packet_t packet;
   1648     memset(&packet, 0, sizeof(cam_sock_packet_t));
   1649     packet.msg_type = CAM_MAPPING_TYPE_FD_UNMAPPING;
   1650     packet.payload.buf_unmap.type = buf_type;
   1651     packet.payload.buf_unmap.stream_id = my_obj->server_stream_id;
   1652     packet.payload.buf_unmap.frame_idx = frame_idx;
   1653     packet.payload.buf_unmap.plane_idx = plane_idx;
   1654     return mm_camera_util_sendmsg(my_obj->ch_obj->cam_obj,
   1655                                   &packet,
   1656                                   sizeof(cam_sock_packet_t),
   1657                                   0);
   1658 }
   1659 
   1660 /*===========================================================================
   1661  * FUNCTION   : mm_stream_map_buf_ops
   1662  *
   1663  * DESCRIPTION: ops for mapping stream buffer via domain socket to server.
   1664  *              This function will be passed to upper layer as part of ops table
   1665  *              to be used by upper layer when allocating stream buffers and mapping
   1666  *              buffers to server via domain socket.
   1667  *
   1668  * PARAMETERS :
   1669  *   @frame_idx    : index of buffer within the stream buffers, only valid if
   1670  *                   buf_type is CAM_MAPPING_BUF_TYPE_STREAM_BUF or
   1671  *                   CAM_MAPPING_BUF_TYPE_OFFLINE_INPUT_BUF
   1672  *   @plane_idx    : plane index. If all planes share the same fd,
   1673  *                   plane_idx = -1; otherwise, plean_idx is the
   1674  *                   index to plane (0..num_of_planes)
   1675  *   @fd           : file descriptor of the buffer
   1676  *   @size         : size of the buffer
   1677  *   @userdata     : user data ptr (stream object)
   1678  *
   1679  * RETURN     : int32_t type of status
   1680  *              0  -- success
   1681  *              -1 -- failure
   1682  *==========================================================================*/
   1683 static int32_t mm_stream_map_buf_ops(uint32_t frame_idx,
   1684                                      int32_t plane_idx,
   1685                                      int fd,
   1686                                      size_t size,
   1687                                      cam_mapping_buf_type type,
   1688                                      void *userdata)
   1689 {
   1690     mm_stream_t *my_obj = (mm_stream_t *)userdata;
   1691     return mm_stream_map_buf(my_obj,
   1692                              type,
   1693                              frame_idx, plane_idx, fd, size);
   1694 }
   1695 
   1696 /*===========================================================================
   1697  * FUNCTION   : mm_stream_unmap_buf_ops
   1698  *
   1699  * DESCRIPTION: ops for unmapping stream buffer via domain socket to server.
   1700  *              This function will be passed to upper layer as part of ops table
   1701  *              to be used by upper layer when allocating stream buffers and unmapping
   1702  *              buffers to server via domain socket.
   1703  *
   1704  * PARAMETERS :
   1705  *   @frame_idx    : index of buffer within the stream buffers, only valid if
   1706  *                   buf_type is CAM_MAPPING_BUF_TYPE_STREAM_BUF or
   1707  *                   CAM_MAPPING_BUF_TYPE_OFFLINE_INPUT_BUF
   1708  *   @plane_idx    : plane index. If all planes share the same fd,
   1709  *                   plane_idx = -1; otherwise, plean_idx is the
   1710  *                   index to plane (0..num_of_planes)
   1711  *   @userdata     : user data ptr (stream object)
   1712  *
   1713  * RETURN     : int32_t type of status
   1714  *              0  -- success
   1715  *              -1 -- failure
   1716  *==========================================================================*/
   1717 static int32_t mm_stream_unmap_buf_ops(uint32_t frame_idx,
   1718                                        int32_t plane_idx,
   1719                                        cam_mapping_buf_type type,
   1720                                        void *userdata)
   1721 {
   1722     mm_stream_t *my_obj = (mm_stream_t *)userdata;
   1723     return mm_stream_unmap_buf(my_obj,
   1724                                type,
   1725                                frame_idx,
   1726                                plane_idx);
   1727 }
   1728 
   1729 /*===========================================================================
   1730  * FUNCTION   : mm_stream_init_bufs
   1731  *
   1732  * DESCRIPTION: initialize stream buffers needed. This function will request
   1733  *              buffers needed from upper layer through the mem ops table passed
   1734  *              during configuration stage.
   1735  *
   1736  * PARAMETERS :
   1737  *   @my_obj  : stream object
   1738  *
   1739  * RETURN     : int32_t type of status
   1740  *              0  -- success
   1741  *              -1 -- failure
   1742  *==========================================================================*/
   1743 int32_t mm_stream_init_bufs(mm_stream_t * my_obj)
   1744 {
   1745     int32_t i, rc = 0;
   1746     uint8_t *reg_flags = NULL;
   1747     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
   1748          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
   1749 
   1750     /* deinit buf if it's not NULL*/
   1751     if (NULL != my_obj->buf) {
   1752         mm_stream_deinit_bufs(my_obj);
   1753     }
   1754 
   1755     my_obj->map_ops.map_ops = mm_stream_map_buf_ops;
   1756     my_obj->map_ops.unmap_ops = mm_stream_unmap_buf_ops;
   1757     my_obj->map_ops.userdata = my_obj;
   1758 
   1759     rc = my_obj->mem_vtbl.get_bufs(&my_obj->frame_offset,
   1760                                    &my_obj->buf_num,
   1761                                    &reg_flags,
   1762                                    &my_obj->buf,
   1763                                    &my_obj->map_ops,
   1764                                    my_obj->mem_vtbl.user_data);
   1765 
   1766     if (0 != rc) {
   1767         CDBG_ERROR("%s: Error get buf, rc = %d\n", __func__, rc);
   1768         return rc;
   1769     }
   1770 
   1771     my_obj->buf_status =
   1772         (mm_stream_buf_status_t *)malloc(sizeof(mm_stream_buf_status_t) * my_obj->buf_num);
   1773 
   1774     if (NULL == my_obj->buf_status) {
   1775         CDBG_ERROR("%s: No memory for buf_status", __func__);
   1776         mm_stream_deinit_bufs(my_obj);
   1777         free(reg_flags);
   1778         return -1;
   1779     }
   1780 
   1781     memset(my_obj->buf_status, 0, sizeof(mm_stream_buf_status_t) * my_obj->buf_num);
   1782     for (i = 0; i < my_obj->buf_num; i++) {
   1783         my_obj->buf_status[i].initial_reg_flag = reg_flags[i];
   1784         my_obj->buf[i].stream_id = my_obj->my_hdl;
   1785         my_obj->buf[i].stream_type = my_obj->stream_info->stream_type;
   1786 
   1787         if (my_obj->buf[i].buf_type == CAM_STREAM_BUF_TYPE_USERPTR) {
   1788             my_obj->buf[i].user_buf.bufs_used =
   1789                     (int8_t)my_obj->stream_info->user_buf_info.frame_buf_cnt;
   1790             my_obj->buf[i].user_buf.buf_in_use = reg_flags[i];
   1791         }
   1792     }
   1793 
   1794     if (my_obj->stream_info->streaming_mode == CAM_STREAMING_MODE_BATCH) {
   1795         my_obj->plane_buf = my_obj->buf[0].user_buf.plane_buf;
   1796         if (my_obj->plane_buf != NULL) {
   1797             my_obj->plane_buf_num =
   1798                     my_obj->buf_num *
   1799                     my_obj->stream_info->user_buf_info.frame_buf_cnt;
   1800             for (i = 0; i < my_obj->plane_buf_num; i++) {
   1801                 my_obj->plane_buf[i].stream_id = my_obj->my_hdl;
   1802                 my_obj->plane_buf[i].stream_type = my_obj->stream_info->stream_type;
   1803             }
   1804         }
   1805         my_obj->cur_bufs_staged = 0;
   1806         my_obj->cur_buf_idx = -1;
   1807     }
   1808 
   1809     free(reg_flags);
   1810     reg_flags = NULL;
   1811 
   1812     /* update in stream info about number of stream buffers */
   1813     my_obj->stream_info->num_bufs = my_obj->buf_num;
   1814 
   1815     return rc;
   1816 }
   1817 
   1818 /*===========================================================================
   1819  * FUNCTION   : mm_stream_deinit_bufs
   1820  *
   1821  * DESCRIPTION: return stream buffers to upper layer through the mem ops table
   1822  *              passed during configuration stage.
   1823  *
   1824  * PARAMETERS :
   1825  *   @my_obj  : stream object
   1826  *
   1827  * RETURN     : int32_t type of status
   1828  *              0  -- success
   1829  *              -1 -- failure
   1830  *==========================================================================*/
   1831 int32_t mm_stream_deinit_bufs(mm_stream_t * my_obj)
   1832 {
   1833     int32_t rc = 0;
   1834 
   1835     mm_camera_map_unmap_ops_tbl_t ops_tbl;
   1836     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
   1837          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
   1838 
   1839     if (NULL == my_obj->buf) {
   1840         CDBG("%s: Buf is NULL, no need to deinit", __func__);
   1841         return rc;
   1842     }
   1843 
   1844     /* release bufs */
   1845     ops_tbl.map_ops = mm_stream_map_buf_ops;
   1846     ops_tbl.unmap_ops = mm_stream_unmap_buf_ops;
   1847     ops_tbl.userdata = my_obj;
   1848 
   1849     rc = my_obj->mem_vtbl.put_bufs(&ops_tbl,
   1850                                    my_obj->mem_vtbl.user_data);
   1851 
   1852     if (my_obj->plane_buf != NULL) {
   1853         free(my_obj->plane_buf);
   1854         my_obj->plane_buf = NULL;
   1855     }
   1856 
   1857     free(my_obj->buf);
   1858     my_obj->buf = NULL;
   1859     if (my_obj->buf_status != NULL) {
   1860         free(my_obj->buf_status);
   1861         my_obj->buf_status = NULL;
   1862     }
   1863 
   1864     return rc;
   1865 }
   1866 
   1867 /*===========================================================================
   1868  * FUNCTION   : mm_stream_reg_buf
   1869  *
   1870  * DESCRIPTION: register buffers with kernel by calling v4l2 ioctl QBUF for
   1871  *              each buffer in the stream
   1872  *
   1873  * PARAMETERS :
   1874  *   @my_obj  : stream object
   1875  *
   1876  * RETURN     : int32_t type of status
   1877  *              0  -- success
   1878  *              -1 -- failure
   1879  *==========================================================================*/
   1880 int32_t mm_stream_reg_buf(mm_stream_t * my_obj)
   1881 {
   1882     int32_t rc = 0;
   1883     uint8_t i;
   1884     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
   1885          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
   1886 
   1887     rc = mm_stream_request_buf(my_obj);
   1888     if (rc != 0) {
   1889         return rc;
   1890     }
   1891 
   1892     pthread_mutex_lock(&my_obj->buf_lock);
   1893     my_obj->queued_buffer_count = 0;
   1894     for(i = 0; i < my_obj->buf_num; i++){
   1895         /* check if need to qbuf initially */
   1896         if (my_obj->buf_status[i].initial_reg_flag) {
   1897             rc = mm_stream_qbuf(my_obj, &my_obj->buf[i]);
   1898             if (rc != 0) {
   1899                 CDBG_ERROR("%s: VIDIOC_QBUF rc = %d\n", __func__, rc);
   1900                 break;
   1901             }
   1902             my_obj->buf_status[i].buf_refcnt = 0;
   1903             my_obj->buf_status[i].in_kernel = 1;
   1904         } else {
   1905             /* the buf is held by upper layer, will not queue into kernel.
   1906              * add buf reference count */
   1907             my_obj->buf_status[i].buf_refcnt = 1;
   1908             my_obj->buf_status[i].in_kernel = 0;
   1909         }
   1910     }
   1911     pthread_mutex_unlock(&my_obj->buf_lock);
   1912 
   1913     return rc;
   1914 }
   1915 
   1916 /*===========================================================================
   1917  * FUNCTION   : mm_stream_unreg buf
   1918  *
   1919  * DESCRIPTION: unregister all stream buffers from kernel
   1920  *
   1921  * PARAMETERS :
   1922  *   @my_obj  : stream object
   1923  *
   1924  * RETURN     : int32_t type of status
   1925  *              0  -- success
   1926  *              -1 -- failure
   1927  *==========================================================================*/
   1928 int32_t mm_stream_unreg_buf(mm_stream_t * my_obj)
   1929 {
   1930     struct v4l2_requestbuffers bufreq;
   1931     int32_t i, rc = 0;
   1932     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
   1933          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
   1934 
   1935     /* unreg buf to kernel */
   1936     bufreq.count = 0;
   1937     bufreq.type  = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
   1938     bufreq.memory = V4L2_MEMORY_USERPTR;
   1939     rc = ioctl(my_obj->fd, VIDIOC_REQBUFS, &bufreq);
   1940     if (rc < 0) {
   1941         CDBG_ERROR("%s: fd=%d, VIDIOC_REQBUFS failed, rc=%d\n",
   1942               __func__, my_obj->fd, rc);
   1943     }
   1944 
   1945     /* reset buf reference count */
   1946     pthread_mutex_lock(&my_obj->buf_lock);
   1947     if (NULL != my_obj->buf_status) {
   1948         for(i = 0; i < my_obj->buf_num; i++){
   1949             my_obj->buf_status[i].buf_refcnt = 0;
   1950             my_obj->buf_status[i].in_kernel = 0;
   1951         }
   1952     }
   1953     pthread_mutex_unlock(&my_obj->buf_lock);
   1954 
   1955     return rc;
   1956 }
   1957 
   1958 /*===========================================================================
   1959  * FUNCTION   : mm_stream_get_v4l2_fmt
   1960  *
   1961  * DESCRIPTION: translate camera image format into FOURCC code
   1962  *
   1963  * PARAMETERS :
   1964  *   @fmt     : camera image format
   1965  *
   1966  * RETURN     : FOURCC code for image format
   1967  *==========================================================================*/
   1968 uint32_t mm_stream_get_v4l2_fmt(cam_format_t fmt)
   1969 {
   1970     uint32_t val;
   1971     switch(fmt) {
   1972     case CAM_FORMAT_YUV_420_NV12:
   1973     case CAM_FORMAT_YUV_420_NV12_VENUS:
   1974         val = V4L2_PIX_FMT_NV12;
   1975         break;
   1976     case CAM_FORMAT_YUV_420_NV21:
   1977         val = V4L2_PIX_FMT_NV21;
   1978         break;
   1979     case CAM_FORMAT_BAYER_QCOM_RAW_10BPP_GBRG:
   1980     case CAM_FORMAT_BAYER_QCOM_RAW_10BPP_GRBG:
   1981     case CAM_FORMAT_BAYER_QCOM_RAW_10BPP_RGGB:
   1982     case CAM_FORMAT_BAYER_QCOM_RAW_10BPP_BGGR:
   1983         val= V4L2_PIX_FMT_SBGGR10;
   1984         break;
   1985     case CAM_FORMAT_YUV_422_NV61:
   1986         val= V4L2_PIX_FMT_NV61;
   1987         break;
   1988     case CAM_FORMAT_YUV_RAW_8BIT_YUYV:
   1989         val= V4L2_PIX_FMT_YUYV;
   1990         break;
   1991     case CAM_FORMAT_YUV_RAW_8BIT_YVYU:
   1992         val= V4L2_PIX_FMT_YVYU;
   1993         break;
   1994     case CAM_FORMAT_YUV_RAW_8BIT_UYVY:
   1995         val= V4L2_PIX_FMT_UYVY;
   1996         break;
   1997     case CAM_FORMAT_YUV_RAW_8BIT_VYUY:
   1998         val= V4L2_PIX_FMT_VYUY;
   1999         break;
   2000     case CAM_FORMAT_YUV_420_YV12:
   2001         val= V4L2_PIX_FMT_NV12;
   2002         break;
   2003     case CAM_FORMAT_YUV_422_NV16:
   2004         val= V4L2_PIX_FMT_NV16;
   2005         break;
   2006     default:
   2007         val = 0;
   2008         CDBG_ERROR("%s: Unknown fmt=%d", __func__, fmt);
   2009         break;
   2010     }
   2011     CDBG("%s: fmt=%d, val =%d", __func__, fmt, val);
   2012     return val;
   2013 }
   2014 
   2015 /*===========================================================================
   2016  * FUNCTION   : mm_stream_calc_offset_preview
   2017  *
   2018  * DESCRIPTION: calculate preview frame offset based on format and
   2019  *              padding information
   2020  *
   2021  * PARAMETERS :
   2022  *   @fmt     : image format
   2023  *   @dim     : image dimension
   2024  *   @buf_planes : [out] buffer plane information
   2025  *
   2026  * RETURN     : int32_t type of status
   2027  *              0  -- success
   2028  *              -1 -- failure
   2029  *==========================================================================*/
   2030 int32_t mm_stream_calc_offset_preview(cam_format_t fmt,
   2031                                       cam_dimension_t *dim,
   2032                                       cam_stream_buf_plane_info_t *buf_planes)
   2033 {
   2034     int32_t rc = 0;
   2035     int stride = 0, scanline = 0;
   2036 
   2037     switch (fmt) {
   2038     case CAM_FORMAT_YUV_420_NV12:
   2039     case CAM_FORMAT_YUV_420_NV21:
   2040         /* 2 planes: Y + CbCr */
   2041         buf_planes->plane_info.num_planes = 2;
   2042 
   2043         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_32);
   2044         scanline = PAD_TO_SIZE(dim->height, CAM_PAD_TO_2);
   2045 
   2046         buf_planes->plane_info.mp[0].offset = 0;
   2047         buf_planes->plane_info.mp[0].len = (uint32_t)(stride * scanline);
   2048         buf_planes->plane_info.mp[0].offset_x = 0;
   2049         buf_planes->plane_info.mp[0].offset_y = 0;
   2050         buf_planes->plane_info.mp[0].stride = stride;
   2051         buf_planes->plane_info.mp[0].scanline = scanline;
   2052         buf_planes->plane_info.mp[0].width = dim->width;
   2053         buf_planes->plane_info.mp[0].height = dim->height;
   2054 
   2055         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_32);
   2056         scanline = PAD_TO_SIZE(dim->height / 2, CAM_PAD_TO_2);
   2057         buf_planes->plane_info.mp[1].offset = 0;
   2058         buf_planes->plane_info.mp[1].len =
   2059             (uint32_t)(stride * scanline);
   2060         buf_planes->plane_info.mp[1].offset_x = 0;
   2061         buf_planes->plane_info.mp[1].offset_y = 0;
   2062         buf_planes->plane_info.mp[1].stride = stride;
   2063         buf_planes->plane_info.mp[1].scanline = scanline;
   2064         buf_planes->plane_info.mp[1].width = dim->width;
   2065         buf_planes->plane_info.mp[1].height = dim->height / 2;
   2066 
   2067         buf_planes->plane_info.frame_len =
   2068                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len +
   2069                         buf_planes->plane_info.mp[1].len,
   2070                         CAM_PAD_TO_4K);
   2071         break;
   2072     case CAM_FORMAT_YUV_420_NV21_ADRENO:
   2073         /* 2 planes: Y + CbCr */
   2074         buf_planes->plane_info.num_planes = 2;
   2075 
   2076         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_32);
   2077         scanline = PAD_TO_SIZE(dim->height, CAM_PAD_TO_32);
   2078         buf_planes->plane_info.mp[0].offset = 0;
   2079         buf_planes->plane_info.mp[0].len =
   2080                 PAD_TO_SIZE((uint32_t)(stride * scanline), CAM_PAD_TO_4K);
   2081         buf_planes->plane_info.mp[0].offset_x = 0;
   2082         buf_planes->plane_info.mp[0].offset_y = 0;
   2083         buf_planes->plane_info.mp[0].stride = stride;
   2084         buf_planes->plane_info.mp[0].scanline = scanline;
   2085         buf_planes->plane_info.mp[0].width = dim->width;
   2086         buf_planes->plane_info.mp[0].height = dim->height;
   2087 
   2088         stride = PAD_TO_SIZE(dim->width / 2, CAM_PAD_TO_32) * 2;
   2089         scanline = PAD_TO_SIZE(dim->height / 2, CAM_PAD_TO_32);
   2090         buf_planes->plane_info.mp[1].offset = 0;
   2091         buf_planes->plane_info.mp[1].len =
   2092                 PAD_TO_SIZE((uint32_t)(stride * scanline), CAM_PAD_TO_4K);
   2093         buf_planes->plane_info.mp[1].offset_x = 0;
   2094         buf_planes->plane_info.mp[1].offset_y = 0;
   2095         buf_planes->plane_info.mp[1].stride = stride;
   2096         buf_planes->plane_info.mp[1].scanline = scanline;
   2097         buf_planes->plane_info.mp[1].width = dim->width;
   2098         buf_planes->plane_info.mp[1].height = dim->height / 2;
   2099 
   2100         buf_planes->plane_info.frame_len =
   2101                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len +
   2102                         buf_planes->plane_info.mp[1].len,
   2103                         CAM_PAD_TO_4K);
   2104         break;
   2105     case CAM_FORMAT_YUV_420_YV12:
   2106         /* 3 planes: Y + Cr + Cb */
   2107         buf_planes->plane_info.num_planes = 3;
   2108 
   2109         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_16);
   2110         scanline = PAD_TO_SIZE(dim->height, CAM_PAD_TO_2);
   2111         buf_planes->plane_info.mp[0].offset = 0;
   2112         buf_planes->plane_info.mp[0].len = (uint32_t)(stride * scanline);
   2113         buf_planes->plane_info.mp[0].offset_x = 0;
   2114         buf_planes->plane_info.mp[0].offset_y = 0;
   2115         buf_planes->plane_info.mp[0].stride = stride;
   2116         buf_planes->plane_info.mp[0].scanline = scanline;
   2117         buf_planes->plane_info.mp[0].width = dim->width;
   2118         buf_planes->plane_info.mp[0].height = dim->height;
   2119 
   2120         stride = PAD_TO_SIZE(stride / 2, CAM_PAD_TO_16);
   2121         scanline = scanline / 2;
   2122         buf_planes->plane_info.mp[1].offset = 0;
   2123         buf_planes->plane_info.mp[1].len =
   2124             (uint32_t)(stride * scanline);
   2125         buf_planes->plane_info.mp[1].offset_x = 0;
   2126         buf_planes->plane_info.mp[1].offset_y = 0;
   2127         buf_planes->plane_info.mp[1].stride = stride;
   2128         buf_planes->plane_info.mp[1].scanline = scanline;
   2129         buf_planes->plane_info.mp[1].width = dim->width / 2;
   2130         buf_planes->plane_info.mp[1].height = dim->height / 2;
   2131 
   2132         buf_planes->plane_info.mp[2].offset = 0;
   2133         buf_planes->plane_info.mp[2].len =
   2134             (uint32_t)(stride * scanline);
   2135         buf_planes->plane_info.mp[2].offset_x = 0;
   2136         buf_planes->plane_info.mp[2].offset_y = 0;
   2137         buf_planes->plane_info.mp[2].stride = stride;
   2138         buf_planes->plane_info.mp[2].scanline = scanline;
   2139         buf_planes->plane_info.mp[2].width = dim->width / 2;
   2140         buf_planes->plane_info.mp[2].height = dim->height / 2;
   2141 
   2142         buf_planes->plane_info.frame_len =
   2143                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len +
   2144                         buf_planes->plane_info.mp[1].len +
   2145                         buf_planes->plane_info.mp[2].len,
   2146                         CAM_PAD_TO_4K);
   2147         break;
   2148     case CAM_FORMAT_YUV_422_NV16:
   2149     case CAM_FORMAT_YUV_422_NV61:
   2150         /* 2 planes: Y + CbCr */
   2151         buf_planes->plane_info.num_planes = 2;
   2152 
   2153         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_16);
   2154         scanline = dim->height;
   2155         buf_planes->plane_info.mp[0].offset = 0;
   2156         buf_planes->plane_info.mp[0].len = (uint32_t)(stride * scanline);
   2157         buf_planes->plane_info.mp[0].offset_x = 0;
   2158         buf_planes->plane_info.mp[0].offset_y = 0;
   2159         buf_planes->plane_info.mp[0].stride = stride;
   2160         buf_planes->plane_info.mp[0].scanline = scanline;
   2161         buf_planes->plane_info.mp[0].width = dim->width;
   2162         buf_planes->plane_info.mp[0].height = dim->height;
   2163 
   2164         buf_planes->plane_info.mp[1].offset = 0;
   2165         buf_planes->plane_info.mp[1].len = (uint32_t)(stride * scanline);
   2166         buf_planes->plane_info.mp[1].offset_x = 0;
   2167         buf_planes->plane_info.mp[1].offset_y = 0;
   2168         buf_planes->plane_info.mp[1].stride = stride;
   2169         buf_planes->plane_info.mp[1].scanline = scanline;
   2170         buf_planes->plane_info.mp[1].width = dim->width;
   2171         buf_planes->plane_info.mp[1].height = dim->height;
   2172 
   2173         buf_planes->plane_info.frame_len =
   2174                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len +
   2175                         buf_planes->plane_info.mp[1].len,
   2176                         CAM_PAD_TO_4K);
   2177         break;
   2178     case CAM_FORMAT_YUV_420_NV12_VENUS:
   2179 #ifdef VENUS_PRESENT
   2180         // using Venus
   2181         stride = VENUS_Y_STRIDE(COLOR_FMT_NV12, dim->width);
   2182         scanline = VENUS_Y_SCANLINES(COLOR_FMT_NV12, dim->height);
   2183 
   2184         buf_planes->plane_info.frame_len =
   2185             VENUS_BUFFER_SIZE(COLOR_FMT_NV12, dim->width, dim->height);
   2186         buf_planes->plane_info.num_planes = 2;
   2187         buf_planes->plane_info.mp[0].len = (uint32_t)(stride * scanline);
   2188         buf_planes->plane_info.mp[0].offset = 0;
   2189         buf_planes->plane_info.mp[0].offset_x =0;
   2190         buf_planes->plane_info.mp[0].offset_y = 0;
   2191         buf_planes->plane_info.mp[0].stride = stride;
   2192         buf_planes->plane_info.mp[0].scanline = scanline;
   2193         buf_planes->plane_info.mp[0].width = dim->width;
   2194         buf_planes->plane_info.mp[0].height = dim->height;
   2195         stride = VENUS_UV_STRIDE(COLOR_FMT_NV12, dim->width);
   2196         scanline = VENUS_UV_SCANLINES(COLOR_FMT_NV12, dim->height);
   2197         buf_planes->plane_info.mp[1].len =
   2198             buf_planes->plane_info.frame_len - buf_planes->plane_info.mp[0].len;
   2199         buf_planes->plane_info.mp[1].offset = 0;
   2200         buf_planes->plane_info.mp[1].offset_x =0;
   2201         buf_planes->plane_info.mp[1].offset_y = 0;
   2202         buf_planes->plane_info.mp[1].stride = stride;
   2203         buf_planes->plane_info.mp[1].scanline = scanline;
   2204         buf_planes->plane_info.mp[1].width = dim->width;
   2205         buf_planes->plane_info.mp[1].height = dim->height / 2;
   2206 #else
   2207         CDBG_ERROR("%s: Venus hardware not avail, cannot use this format", __func__);
   2208         rc = -1;
   2209 #endif
   2210         break;
   2211     default:
   2212         CDBG_ERROR("%s: Invalid cam_format for preview %d",
   2213                    __func__, fmt);
   2214         rc = -1;
   2215         break;
   2216     }
   2217 
   2218     return rc;
   2219 }
   2220 /*===========================================================================
   2221  * FUNCTION   : mm_stream_calc_offset_post_view
   2222  *
   2223  * DESCRIPTION: calculate postview frame offset based on format and
   2224  *              padding information
   2225  *
   2226  * PARAMETERS :
   2227  *   @fmt     : image format
   2228  *   @dim     : image dimension
   2229  *   @buf_planes : [out] buffer plane information
   2230  *
   2231  * RETURN     : int32_t type of status
   2232  *              0  -- success
   2233  *              -1 -- failure
   2234  *==========================================================================*/
   2235 int32_t mm_stream_calc_offset_post_view(cam_format_t fmt,
   2236                                       cam_dimension_t *dim,
   2237                                       cam_stream_buf_plane_info_t *buf_planes)
   2238 {
   2239     int32_t rc = 0;
   2240     int stride = 0, scanline = 0;
   2241 
   2242     switch (fmt) {
   2243     case CAM_FORMAT_YUV_420_NV12:
   2244     case CAM_FORMAT_YUV_420_NV21:
   2245         /* 2 planes: Y + CbCr */
   2246         buf_planes->plane_info.num_planes = 2;
   2247 
   2248         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_64);
   2249         scanline = PAD_TO_SIZE(dim->height, CAM_PAD_TO_64);
   2250         buf_planes->plane_info.mp[0].offset = 0;
   2251         buf_planes->plane_info.mp[0].len = (uint32_t)(stride * scanline);
   2252         buf_planes->plane_info.mp[0].offset_x = 0;
   2253         buf_planes->plane_info.mp[0].offset_y = 0;
   2254         buf_planes->plane_info.mp[0].stride = stride;
   2255         buf_planes->plane_info.mp[0].scanline = scanline;
   2256         buf_planes->plane_info.mp[0].width = dim->width;
   2257         buf_planes->plane_info.mp[0].height = dim->height;
   2258 
   2259         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_64);
   2260         scanline = PAD_TO_SIZE(dim->height / 2, CAM_PAD_TO_64);
   2261         buf_planes->plane_info.mp[1].offset = 0;
   2262         buf_planes->plane_info.mp[1].len =
   2263             (uint32_t)(stride * scanline);
   2264         buf_planes->plane_info.mp[1].offset_x = 0;
   2265         buf_planes->plane_info.mp[1].offset_y = 0;
   2266         buf_planes->plane_info.mp[1].stride = stride;
   2267         buf_planes->plane_info.mp[1].scanline = scanline;
   2268         buf_planes->plane_info.mp[1].width = dim->width;
   2269         buf_planes->plane_info.mp[1].height = dim->height / 2;
   2270 
   2271         buf_planes->plane_info.frame_len =
   2272                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len +
   2273                         buf_planes->plane_info.mp[1].len,
   2274                         CAM_PAD_TO_4K);
   2275         break;
   2276     case CAM_FORMAT_YUV_420_NV21_ADRENO:
   2277         /* 2 planes: Y + CbCr */
   2278         buf_planes->plane_info.num_planes = 2;
   2279 
   2280         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_32);
   2281         scanline = PAD_TO_SIZE(dim->height, CAM_PAD_TO_32);
   2282         buf_planes->plane_info.mp[0].offset = 0;
   2283         buf_planes->plane_info.mp[0].len =
   2284                 PAD_TO_SIZE((uint32_t)(stride * scanline), CAM_PAD_TO_4K);
   2285         buf_planes->plane_info.mp[0].offset_x = 0;
   2286         buf_planes->plane_info.mp[0].offset_y = 0;
   2287         buf_planes->plane_info.mp[0].stride = stride;
   2288         buf_planes->plane_info.mp[0].scanline = scanline;
   2289         buf_planes->plane_info.mp[0].width = dim->width;
   2290         buf_planes->plane_info.mp[0].height = dim->height;
   2291 
   2292         stride = PAD_TO_SIZE(dim->width / 2, CAM_PAD_TO_32) * 2;
   2293         scanline = PAD_TO_SIZE(dim->height / 2, CAM_PAD_TO_32);
   2294         buf_planes->plane_info.mp[1].offset = 0;
   2295         buf_planes->plane_info.mp[1].len =
   2296                 PAD_TO_SIZE((uint32_t)(stride * scanline), CAM_PAD_TO_4K);
   2297         buf_planes->plane_info.mp[1].offset_x = 0;
   2298         buf_planes->plane_info.mp[1].offset_y = 0;
   2299         buf_planes->plane_info.mp[1].stride = stride;
   2300         buf_planes->plane_info.mp[1].scanline = scanline;
   2301         buf_planes->plane_info.mp[1].width = dim->width;
   2302         buf_planes->plane_info.mp[1].height = dim->height / 2;
   2303 
   2304         buf_planes->plane_info.frame_len =
   2305                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len +
   2306                         buf_planes->plane_info.mp[1].len,
   2307                         CAM_PAD_TO_4K);
   2308         break;
   2309     case CAM_FORMAT_YUV_420_YV12:
   2310         /* 3 planes: Y + Cr + Cb */
   2311         buf_planes->plane_info.num_planes = 3;
   2312 
   2313         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_16);
   2314         scanline = PAD_TO_SIZE(dim->height, CAM_PAD_TO_2);
   2315         buf_planes->plane_info.mp[0].offset = 0;
   2316         buf_planes->plane_info.mp[0].len = (uint32_t)(stride * scanline);
   2317         buf_planes->plane_info.mp[0].offset_x = 0;
   2318         buf_planes->plane_info.mp[0].offset_y = 0;
   2319         buf_planes->plane_info.mp[0].stride = stride;
   2320         buf_planes->plane_info.mp[0].scanline = scanline;
   2321         buf_planes->plane_info.mp[0].width = dim->width;
   2322         buf_planes->plane_info.mp[0].height = dim->height;
   2323 
   2324         stride = PAD_TO_SIZE(stride / 2, CAM_PAD_TO_16);
   2325         scanline = scanline / 2;
   2326         buf_planes->plane_info.mp[1].offset = 0;
   2327         buf_planes->plane_info.mp[1].len =
   2328             (uint32_t)(stride * scanline);
   2329         buf_planes->plane_info.mp[1].offset_x = 0;
   2330         buf_planes->plane_info.mp[1].offset_y = 0;
   2331         buf_planes->plane_info.mp[1].stride = stride;
   2332         buf_planes->plane_info.mp[1].scanline = scanline;
   2333         buf_planes->plane_info.mp[1].width = dim->width / 2;
   2334         buf_planes->plane_info.mp[1].height = dim->height / 2;
   2335 
   2336         buf_planes->plane_info.mp[2].offset = 0;
   2337         buf_planes->plane_info.mp[2].len =
   2338             (uint32_t)(stride * scanline);
   2339         buf_planes->plane_info.mp[2].offset_x = 0;
   2340         buf_planes->plane_info.mp[2].offset_y = 0;
   2341         buf_planes->plane_info.mp[2].stride = stride;
   2342         buf_planes->plane_info.mp[2].scanline = scanline;
   2343         buf_planes->plane_info.mp[2].width = dim->width / 2;
   2344         buf_planes->plane_info.mp[2].height = dim->height / 2;
   2345 
   2346         buf_planes->plane_info.frame_len =
   2347                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len +
   2348                         buf_planes->plane_info.mp[1].len +
   2349                         buf_planes->plane_info.mp[2].len,
   2350                         CAM_PAD_TO_4K);
   2351         break;
   2352     case CAM_FORMAT_YUV_422_NV16:
   2353     case CAM_FORMAT_YUV_422_NV61:
   2354         /* 2 planes: Y + CbCr */
   2355         buf_planes->plane_info.num_planes = 2;
   2356 
   2357         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_16);
   2358         scanline = dim->height;
   2359         buf_planes->plane_info.mp[0].offset = 0;
   2360         buf_planes->plane_info.mp[0].len = (uint32_t)(stride * scanline);
   2361         buf_planes->plane_info.mp[0].offset_x = 0;
   2362         buf_planes->plane_info.mp[0].offset_y = 0;
   2363         buf_planes->plane_info.mp[0].stride = stride;
   2364         buf_planes->plane_info.mp[0].scanline = scanline;
   2365         buf_planes->plane_info.mp[0].width = dim->width;
   2366         buf_planes->plane_info.mp[0].height = dim->height;
   2367 
   2368         buf_planes->plane_info.mp[1].offset = 0;
   2369         buf_planes->plane_info.mp[1].len = (uint32_t)(stride * scanline);
   2370         buf_planes->plane_info.mp[1].offset_x = 0;
   2371         buf_planes->plane_info.mp[1].offset_y = 0;
   2372         buf_planes->plane_info.mp[1].stride = stride;
   2373         buf_planes->plane_info.mp[1].scanline = scanline;
   2374         buf_planes->plane_info.mp[1].width = dim->width;
   2375         buf_planes->plane_info.mp[1].height = dim->height;
   2376 
   2377         buf_planes->plane_info.frame_len =
   2378                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len +
   2379                         buf_planes->plane_info.mp[1].len,
   2380                         CAM_PAD_TO_4K);
   2381         break;
   2382     case CAM_FORMAT_YUV_420_NV12_VENUS:
   2383 #ifdef VENUS_PRESENT
   2384         // using Venus
   2385         stride = VENUS_Y_STRIDE(COLOR_FMT_NV12, dim->width);
   2386         scanline = VENUS_Y_SCANLINES(COLOR_FMT_NV12, dim->height);
   2387 
   2388         buf_planes->plane_info.frame_len =
   2389             VENUS_BUFFER_SIZE(COLOR_FMT_NV12, dim->width, dim->height);
   2390         buf_planes->plane_info.num_planes = 2;
   2391         buf_planes->plane_info.mp[0].len = (uint32_t)(stride * scanline);
   2392         buf_planes->plane_info.mp[0].offset = 0;
   2393         buf_planes->plane_info.mp[0].offset_x =0;
   2394         buf_planes->plane_info.mp[0].offset_y = 0;
   2395         buf_planes->plane_info.mp[0].stride = stride;
   2396         buf_planes->plane_info.mp[0].scanline = scanline;
   2397         buf_planes->plane_info.mp[0].width = dim->width;
   2398         buf_planes->plane_info.mp[0].height = dim->height;
   2399         stride = VENUS_UV_STRIDE(COLOR_FMT_NV12, dim->width);
   2400         scanline = VENUS_UV_SCANLINES(COLOR_FMT_NV12, dim->height);
   2401         buf_planes->plane_info.mp[1].len =
   2402             buf_planes->plane_info.frame_len - buf_planes->plane_info.mp[0].len;
   2403         buf_planes->plane_info.mp[1].offset = 0;
   2404         buf_planes->plane_info.mp[1].offset_x =0;
   2405         buf_planes->plane_info.mp[1].offset_y = 0;
   2406         buf_planes->plane_info.mp[1].stride = stride;
   2407         buf_planes->plane_info.mp[1].scanline = scanline;
   2408         buf_planes->plane_info.mp[1].width = dim->width;
   2409         buf_planes->plane_info.mp[1].height = dim->height / 2;
   2410 #else
   2411         CDBG_ERROR("%s: Venus hardware not avail, cannot use this format", __func__);
   2412         rc = -1;
   2413 #endif
   2414         break;
   2415     default:
   2416         CDBG_ERROR("%s: Invalid cam_format for preview %d",
   2417                    __func__, fmt);
   2418         rc = -1;
   2419         break;
   2420     }
   2421 
   2422     return rc;
   2423 }
   2424 
   2425 /*===========================================================================
   2426  * FUNCTION   : mm_stream_calc_offset_snapshot
   2427  *
   2428  * DESCRIPTION: calculate snapshot/postproc frame offset based on format and
   2429  *              padding information
   2430  *
   2431  * PARAMETERS :
   2432  *   @fmt     : image format
   2433  *   @dim     : image dimension
   2434  *   @padding : padding information
   2435  *   @buf_planes : [out] buffer plane information
   2436  *
   2437  * RETURN     : int32_t type of status
   2438  *              0  -- success
   2439  *              -1 -- failure
   2440  *==========================================================================*/
   2441 int32_t mm_stream_calc_offset_snapshot(cam_format_t fmt,
   2442                                        cam_dimension_t *dim,
   2443                                        cam_padding_info_t *padding,
   2444                                        cam_stream_buf_plane_info_t *buf_planes)
   2445 {
   2446     int32_t rc = 0;
   2447     uint8_t isAFamily = mm_camera_util_chip_is_a_family();
   2448     int offset_x = 0, offset_y = 0;
   2449     int stride = 0, scanline = 0;
   2450 
   2451     if (isAFamily) {
   2452         stride = dim->width;
   2453         scanline = PAD_TO_SIZE(dim->height, CAM_PAD_TO_16);
   2454         offset_x = 0;
   2455         offset_y = scanline - dim->height;
   2456         scanline += offset_y; /* double padding */
   2457     } else {
   2458         stride = PAD_TO_SIZE(dim->width,
   2459                              padding->width_padding);
   2460         scanline = PAD_TO_SIZE(dim->height,
   2461                                padding->height_padding);
   2462         offset_x = 0;
   2463         offset_y = 0;
   2464     }
   2465 
   2466     switch (fmt) {
   2467     case CAM_FORMAT_YUV_420_NV12:
   2468     case CAM_FORMAT_YUV_420_NV21:
   2469         /* 2 planes: Y + CbCr */
   2470         buf_planes->plane_info.num_planes = 2;
   2471 
   2472         buf_planes->plane_info.mp[0].len =
   2473                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   2474                         padding->plane_padding);
   2475         buf_planes->plane_info.mp[0].offset =
   2476                 PAD_TO_SIZE((uint32_t)(offset_x + stride * offset_y),
   2477                         padding->plane_padding);
   2478         buf_planes->plane_info.mp[0].offset_x = offset_x;
   2479         buf_planes->plane_info.mp[0].offset_y = offset_y;
   2480         buf_planes->plane_info.mp[0].stride = stride;
   2481         buf_planes->plane_info.mp[0].scanline = scanline;
   2482         buf_planes->plane_info.mp[0].width = dim->width;
   2483         buf_planes->plane_info.mp[0].height = dim->height;
   2484 
   2485         scanline = scanline / 2;
   2486         buf_planes->plane_info.mp[1].len =
   2487                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   2488                         padding->plane_padding);
   2489         buf_planes->plane_info.mp[1].offset =
   2490                 PAD_TO_SIZE((uint32_t)(offset_x + stride * offset_y),
   2491                         padding->plane_padding);
   2492         buf_planes->plane_info.mp[1].offset_x = offset_x;
   2493         buf_planes->plane_info.mp[1].offset_y = offset_y;
   2494         buf_planes->plane_info.mp[1].stride = stride;
   2495         buf_planes->plane_info.mp[1].scanline = scanline;
   2496         buf_planes->plane_info.mp[1].width = dim->width;
   2497         buf_planes->plane_info.mp[1].height = dim->height / 2;
   2498 
   2499         buf_planes->plane_info.frame_len =
   2500                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len +
   2501                         buf_planes->plane_info.mp[1].len,
   2502                         CAM_PAD_TO_4K);
   2503         break;
   2504     case CAM_FORMAT_YUV_420_YV12:
   2505         /* 3 planes: Y + Cr + Cb */
   2506         buf_planes->plane_info.num_planes = 3;
   2507 
   2508         buf_planes->plane_info.mp[0].offset =
   2509                 PAD_TO_SIZE((uint32_t)(offset_x + stride * offset_y),
   2510                         padding->plane_padding);
   2511         buf_planes->plane_info.mp[0].len =
   2512                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   2513                         padding->plane_padding);
   2514         buf_planes->plane_info.mp[0].offset_x = offset_x;
   2515         buf_planes->plane_info.mp[0].offset_y = offset_y;
   2516         buf_planes->plane_info.mp[0].stride = stride;
   2517         buf_planes->plane_info.mp[0].scanline = scanline;
   2518         buf_planes->plane_info.mp[0].width = dim->width;
   2519         buf_planes->plane_info.mp[0].height = dim->height;
   2520 
   2521         stride = PAD_TO_SIZE(stride / 2, CAM_PAD_TO_16);
   2522         scanline = scanline / 2;
   2523         buf_planes->plane_info.mp[1].offset =
   2524                 PAD_TO_SIZE((uint32_t)(offset_x + stride * offset_y),
   2525                         padding->plane_padding);
   2526         buf_planes->plane_info.mp[1].len =
   2527                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   2528                         padding->plane_padding);
   2529         buf_planes->plane_info.mp[1].offset_x = offset_x;
   2530         buf_planes->plane_info.mp[1].offset_y = offset_y;
   2531         buf_planes->plane_info.mp[1].stride = stride;
   2532         buf_planes->plane_info.mp[1].scanline = scanline;
   2533         buf_planes->plane_info.mp[1].width = dim->width / 2;
   2534         buf_planes->plane_info.mp[1].height = dim->height / 2;
   2535 
   2536         buf_planes->plane_info.mp[2].offset =
   2537                 PAD_TO_SIZE((uint32_t)(offset_x + stride * offset_y),
   2538                         padding->plane_padding);
   2539         buf_planes->plane_info.mp[2].len =
   2540                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   2541                         padding->plane_padding);
   2542         buf_planes->plane_info.mp[2].offset_x = offset_x;
   2543         buf_planes->plane_info.mp[2].offset_y = offset_y;
   2544         buf_planes->plane_info.mp[2].stride = stride;
   2545         buf_planes->plane_info.mp[2].scanline = scanline;
   2546         buf_planes->plane_info.mp[2].width = dim->width / 2;
   2547         buf_planes->plane_info.mp[2].height = dim->height / 2;
   2548 
   2549         buf_planes->plane_info.frame_len =
   2550                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len +
   2551                         buf_planes->plane_info.mp[1].len +
   2552                         buf_planes->plane_info.mp[2].len,
   2553                         CAM_PAD_TO_4K);
   2554         break;
   2555     case CAM_FORMAT_YUV_422_NV16:
   2556     case CAM_FORMAT_YUV_422_NV61:
   2557         /* 2 planes: Y + CbCr */
   2558         buf_planes->plane_info.num_planes = 2;
   2559         buf_planes->plane_info.mp[0].len =
   2560                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   2561                         padding->plane_padding);
   2562         buf_planes->plane_info.mp[0].offset =
   2563                 PAD_TO_SIZE((uint32_t)(offset_x + stride * offset_y),
   2564                         padding->plane_padding);
   2565         buf_planes->plane_info.mp[0].offset_x = offset_x;
   2566         buf_planes->plane_info.mp[0].offset_y = offset_y;
   2567         buf_planes->plane_info.mp[0].stride = stride;
   2568         buf_planes->plane_info.mp[0].scanline = scanline;
   2569         buf_planes->plane_info.mp[0].width = dim->width;
   2570         buf_planes->plane_info.mp[0].height = dim->height;
   2571 
   2572         buf_planes->plane_info.mp[1].len =
   2573                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   2574                         padding->plane_padding);
   2575         buf_planes->plane_info.mp[1].offset =
   2576                 PAD_TO_SIZE((uint32_t)(offset_x + stride * offset_y),
   2577                         padding->plane_padding);
   2578         buf_planes->plane_info.mp[1].offset_x = offset_x;
   2579         buf_planes->plane_info.mp[1].offset_y = offset_y;
   2580         buf_planes->plane_info.mp[1].stride = stride;
   2581         buf_planes->plane_info.mp[1].scanline = scanline;
   2582         buf_planes->plane_info.mp[1].width = dim->width;
   2583         buf_planes->plane_info.mp[1].height = dim->height;
   2584 
   2585         buf_planes->plane_info.frame_len = PAD_TO_SIZE(
   2586             buf_planes->plane_info.mp[0].len + buf_planes->plane_info.mp[1].len,
   2587             CAM_PAD_TO_4K);
   2588         break;
   2589     default:
   2590         CDBG_ERROR("%s: Invalid cam_format for snapshot %d",
   2591                    __func__, fmt);
   2592         rc = -1;
   2593         break;
   2594     }
   2595 
   2596     return rc;
   2597 }
   2598 
   2599 /*===========================================================================
   2600  * FUNCTION   : mm_stream_calc_offset_raw
   2601  *
   2602  * DESCRIPTION: calculate raw frame offset based on format and padding information
   2603  *
   2604  * PARAMETERS :
   2605  *   @fmt     : image format
   2606  *   @dim     : image dimension
   2607  *   @padding : padding information
   2608  *   @buf_planes : [out] buffer plane information
   2609  *
   2610  * RETURN     : int32_t type of status
   2611  *              0  -- success
   2612  *              -1 -- failure
   2613  *==========================================================================*/
   2614 int32_t mm_stream_calc_offset_raw(cam_format_t fmt,
   2615                                   cam_dimension_t *dim,
   2616                                   cam_padding_info_t *padding,
   2617                                   cam_stream_buf_plane_info_t *buf_planes)
   2618 {
   2619     int32_t rc = 0;
   2620 
   2621     if ((NULL == dim) || (NULL == padding) || (NULL == buf_planes)) {
   2622         return -1;
   2623     }
   2624 
   2625     int32_t stride = PAD_TO_SIZE(dim->width, (int32_t)padding->width_padding);
   2626     int32_t stride_in_bytes = stride;
   2627     int32_t scanline = PAD_TO_SIZE(dim->height, (int32_t)padding->height_padding);
   2628 
   2629     switch (fmt) {
   2630     case CAM_FORMAT_YUV_420_NV21:
   2631         /* 2 planes: Y + CbCr */
   2632         buf_planes->plane_info.num_planes = 2;
   2633 
   2634         buf_planes->plane_info.mp[0].len =
   2635                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   2636                 padding->plane_padding);
   2637         buf_planes->plane_info.mp[0].offset = 0;
   2638         buf_planes->plane_info.mp[0].offset_x = 0;
   2639         buf_planes->plane_info.mp[0].offset_y = 0;
   2640         buf_planes->plane_info.mp[0].stride = stride;
   2641         buf_planes->plane_info.mp[0].stride_in_bytes = stride;
   2642         buf_planes->plane_info.mp[0].scanline = scanline;
   2643         buf_planes->plane_info.mp[0].width = dim->width;
   2644         buf_planes->plane_info.mp[0].height = dim->height;
   2645 
   2646         scanline = scanline / 2;
   2647         buf_planes->plane_info.mp[1].len =
   2648                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   2649                 padding->plane_padding);
   2650         buf_planes->plane_info.mp[1].offset = 0;
   2651         buf_planes->plane_info.mp[1].offset_x = 0;
   2652         buf_planes->plane_info.mp[1].offset_y = 0;
   2653         buf_planes->plane_info.mp[1].stride = stride;
   2654         buf_planes->plane_info.mp[1].stride_in_bytes = stride;
   2655         buf_planes->plane_info.mp[1].scanline = scanline;
   2656         buf_planes->plane_info.mp[1].width = dim->width;
   2657         buf_planes->plane_info.mp[1].height = dim->height / 2;
   2658 
   2659         buf_planes->plane_info.frame_len =
   2660                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len +
   2661                 buf_planes->plane_info.mp[1].len,
   2662                 CAM_PAD_TO_4K);
   2663         break;
   2664     case CAM_FORMAT_YUV_RAW_8BIT_YUYV:
   2665     case CAM_FORMAT_YUV_RAW_8BIT_YVYU:
   2666     case CAM_FORMAT_YUV_RAW_8BIT_UYVY:
   2667     case CAM_FORMAT_YUV_RAW_8BIT_VYUY:
   2668     case CAM_FORMAT_JPEG_RAW_8BIT:
   2669         /* 1 plane */
   2670         /* Every 16 pixels occupy 16 bytes */
   2671         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_16);
   2672         stride_in_bytes = stride * 2;
   2673         buf_planes->plane_info.num_planes = 1;
   2674         buf_planes->plane_info.mp[0].offset = 0;
   2675         buf_planes->plane_info.mp[0].len =
   2676                 PAD_TO_SIZE((uint32_t)(stride_in_bytes * scanline),
   2677                         padding->plane_padding);
   2678         buf_planes->plane_info.frame_len =
   2679                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len, CAM_PAD_TO_4K);
   2680         buf_planes->plane_info.mp[0].offset_x =0;
   2681         buf_planes->plane_info.mp[0].offset_y = 0;
   2682         buf_planes->plane_info.mp[0].stride = stride;
   2683         buf_planes->plane_info.mp[0].stride_in_bytes = stride_in_bytes;
   2684         buf_planes->plane_info.mp[0].scanline = scanline;
   2685         buf_planes->plane_info.mp[0].width =
   2686                 (int32_t)buf_planes->plane_info.mp[0].len;
   2687         buf_planes->plane_info.mp[0].height = 1;
   2688         break;
   2689     case CAM_FORMAT_META_RAW_8BIT:
   2690         // Every 16 pixels occupy 16 bytes
   2691         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_16);
   2692         stride_in_bytes = stride * 2;
   2693         buf_planes->plane_info.num_planes = 1;
   2694         buf_planes->plane_info.mp[0].offset = 0;
   2695         buf_planes->plane_info.mp[0].len =
   2696                 PAD_TO_SIZE((uint32_t)(stride_in_bytes * scanline),
   2697                         padding->plane_padding);
   2698         buf_planes->plane_info.frame_len =
   2699                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len, CAM_PAD_TO_4K);
   2700         buf_planes->plane_info.mp[0].offset_x =0;
   2701         buf_planes->plane_info.mp[0].offset_y = 0;
   2702         buf_planes->plane_info.mp[0].stride = stride;
   2703         buf_planes->plane_info.mp[0].stride_in_bytes = stride_in_bytes;
   2704         buf_planes->plane_info.mp[0].scanline = scanline;
   2705         break;
   2706 
   2707     case CAM_FORMAT_BAYER_QCOM_RAW_8BPP_GBRG:
   2708     case CAM_FORMAT_BAYER_QCOM_RAW_8BPP_GRBG:
   2709     case CAM_FORMAT_BAYER_QCOM_RAW_8BPP_RGGB:
   2710     case CAM_FORMAT_BAYER_QCOM_RAW_8BPP_BGGR:
   2711     case CAM_FORMAT_BAYER_MIPI_RAW_8BPP_GBRG:
   2712     case CAM_FORMAT_BAYER_MIPI_RAW_8BPP_GRBG:
   2713     case CAM_FORMAT_BAYER_MIPI_RAW_8BPP_RGGB:
   2714     case CAM_FORMAT_BAYER_MIPI_RAW_8BPP_BGGR:
   2715     case CAM_FORMAT_BAYER_IDEAL_RAW_QCOM_8BPP_GBRG:
   2716     case CAM_FORMAT_BAYER_IDEAL_RAW_QCOM_8BPP_GRBG:
   2717     case CAM_FORMAT_BAYER_IDEAL_RAW_QCOM_8BPP_RGGB:
   2718     case CAM_FORMAT_BAYER_IDEAL_RAW_QCOM_8BPP_BGGR:
   2719     case CAM_FORMAT_BAYER_IDEAL_RAW_MIPI_8BPP_GBRG:
   2720     case CAM_FORMAT_BAYER_IDEAL_RAW_MIPI_8BPP_GRBG:
   2721     case CAM_FORMAT_BAYER_IDEAL_RAW_MIPI_8BPP_RGGB:
   2722     case CAM_FORMAT_BAYER_IDEAL_RAW_MIPI_8BPP_BGGR:
   2723     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN8_8BPP_GBRG:
   2724     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN8_8BPP_GRBG:
   2725     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN8_8BPP_RGGB:
   2726     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN8_8BPP_BGGR:
   2727         /* 1 plane */
   2728         /* Every 16 pixels occupy 16 bytes */
   2729         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_16);
   2730         stride_in_bytes = stride;
   2731         buf_planes->plane_info.num_planes = 1;
   2732         buf_planes->plane_info.mp[0].offset = 0;
   2733         buf_planes->plane_info.mp[0].len =
   2734                 PAD_TO_SIZE((uint32_t)(stride_in_bytes * scanline),
   2735                         padding->plane_padding);
   2736         buf_planes->plane_info.frame_len =
   2737                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len, CAM_PAD_TO_4K);
   2738         buf_planes->plane_info.mp[0].offset_x =0;
   2739         buf_planes->plane_info.mp[0].offset_y = 0;
   2740         buf_planes->plane_info.mp[0].stride = stride;
   2741         buf_planes->plane_info.mp[0].stride_in_bytes = stride_in_bytes;
   2742         buf_planes->plane_info.mp[0].scanline = scanline;
   2743         buf_planes->plane_info.mp[0].width = (int32_t)buf_planes->plane_info.mp[0].len;
   2744         buf_planes->plane_info.mp[0].height = 1;
   2745         break;
   2746     case CAM_FORMAT_BAYER_QCOM_RAW_10BPP_GBRG:
   2747     case CAM_FORMAT_BAYER_QCOM_RAW_10BPP_GRBG:
   2748     case CAM_FORMAT_BAYER_QCOM_RAW_10BPP_RGGB:
   2749     case CAM_FORMAT_BAYER_QCOM_RAW_10BPP_BGGR:
   2750     case CAM_FORMAT_BAYER_IDEAL_RAW_QCOM_10BPP_GBRG:
   2751     case CAM_FORMAT_BAYER_IDEAL_RAW_QCOM_10BPP_GRBG:
   2752     case CAM_FORMAT_BAYER_IDEAL_RAW_QCOM_10BPP_RGGB:
   2753     case CAM_FORMAT_BAYER_IDEAL_RAW_QCOM_10BPP_BGGR:
   2754         /* Every 12 pixels occupy 16 bytes */
   2755         stride = (dim->width + 11)/12 * 12;
   2756         stride_in_bytes = stride * 8 / 6;
   2757         buf_planes->plane_info.num_planes = 1;
   2758         buf_planes->plane_info.mp[0].offset = 0;
   2759         buf_planes->plane_info.mp[0].len =
   2760                 PAD_TO_SIZE((uint32_t)(stride_in_bytes * scanline),
   2761                         padding->plane_padding);
   2762         buf_planes->plane_info.frame_len =
   2763                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len, CAM_PAD_TO_4K);
   2764         buf_planes->plane_info.mp[0].offset_x =0;
   2765         buf_planes->plane_info.mp[0].offset_y = 0;
   2766         buf_planes->plane_info.mp[0].stride = stride;
   2767         buf_planes->plane_info.mp[0].stride_in_bytes = stride_in_bytes;
   2768         buf_planes->plane_info.mp[0].scanline = scanline;
   2769         buf_planes->plane_info.mp[0].width = (int32_t)buf_planes->plane_info.mp[0].len;
   2770         buf_planes->plane_info.mp[0].height = 1;
   2771         break;
   2772     case CAM_FORMAT_BAYER_QCOM_RAW_12BPP_GBRG:
   2773     case CAM_FORMAT_BAYER_QCOM_RAW_12BPP_GRBG:
   2774     case CAM_FORMAT_BAYER_QCOM_RAW_12BPP_RGGB:
   2775     case CAM_FORMAT_BAYER_QCOM_RAW_12BPP_BGGR:
   2776     case CAM_FORMAT_BAYER_IDEAL_RAW_QCOM_12BPP_GBRG:
   2777     case CAM_FORMAT_BAYER_IDEAL_RAW_QCOM_12BPP_GRBG:
   2778     case CAM_FORMAT_BAYER_IDEAL_RAW_QCOM_12BPP_RGGB:
   2779     case CAM_FORMAT_BAYER_IDEAL_RAW_QCOM_12BPP_BGGR:
   2780         /* Every 10 pixels occupy 16 bytes */
   2781         stride = (dim->width + 9)/10 * 10;
   2782         stride_in_bytes = stride * 8 / 5;
   2783         buf_planes->plane_info.num_planes = 1;
   2784         buf_planes->plane_info.mp[0].offset = 0;
   2785         buf_planes->plane_info.mp[0].len =
   2786                 PAD_TO_SIZE((uint32_t)(stride_in_bytes * scanline),
   2787                         padding->plane_padding);
   2788         buf_planes->plane_info.frame_len =
   2789                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len, CAM_PAD_TO_4K);
   2790         buf_planes->plane_info.mp[0].offset_x =0;
   2791         buf_planes->plane_info.mp[0].offset_y = 0;
   2792         buf_planes->plane_info.mp[0].stride = stride;
   2793         buf_planes->plane_info.mp[0].stride_in_bytes = stride_in_bytes;
   2794         buf_planes->plane_info.mp[0].scanline = scanline;
   2795         buf_planes->plane_info.mp[0].width = (int32_t)buf_planes->plane_info.mp[0].len;
   2796         buf_planes->plane_info.mp[0].height = 1;
   2797         break;
   2798     case CAM_FORMAT_BAYER_MIPI_RAW_10BPP_GBRG:
   2799     case CAM_FORMAT_BAYER_MIPI_RAW_10BPP_GRBG:
   2800     case CAM_FORMAT_BAYER_MIPI_RAW_10BPP_RGGB:
   2801     case CAM_FORMAT_BAYER_MIPI_RAW_10BPP_BGGR:
   2802     case CAM_FORMAT_BAYER_IDEAL_RAW_MIPI_10BPP_GBRG:
   2803     case CAM_FORMAT_BAYER_IDEAL_RAW_MIPI_10BPP_GRBG:
   2804     case CAM_FORMAT_BAYER_IDEAL_RAW_MIPI_10BPP_RGGB:
   2805     case CAM_FORMAT_BAYER_IDEAL_RAW_MIPI_10BPP_BGGR:
   2806         /* Every 64 pixels occupy 80 bytes */
   2807         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_4);
   2808         stride_in_bytes = PAD_TO_SIZE(stride * 5 / 4, CAM_PAD_TO_8);
   2809         buf_planes->plane_info.num_planes = 1;
   2810         buf_planes->plane_info.mp[0].offset = 0;
   2811         buf_planes->plane_info.mp[0].len =
   2812                 PAD_TO_SIZE((uint32_t)(stride_in_bytes * scanline),
   2813                         padding->plane_padding);
   2814         buf_planes->plane_info.frame_len =
   2815                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len, CAM_PAD_TO_4K);
   2816         buf_planes->plane_info.mp[0].offset_x =0;
   2817         buf_planes->plane_info.mp[0].offset_y = 0;
   2818         buf_planes->plane_info.mp[0].stride = stride;
   2819         buf_planes->plane_info.mp[0].stride_in_bytes = stride_in_bytes;
   2820         buf_planes->plane_info.mp[0].scanline = scanline;
   2821         buf_planes->plane_info.mp[0].width = (int32_t)buf_planes->plane_info.mp[0].len;
   2822         buf_planes->plane_info.mp[0].height = 1;
   2823         break;
   2824     case CAM_FORMAT_BAYER_MIPI_RAW_12BPP_GBRG:
   2825     case CAM_FORMAT_BAYER_MIPI_RAW_12BPP_GRBG:
   2826     case CAM_FORMAT_BAYER_MIPI_RAW_12BPP_RGGB:
   2827     case CAM_FORMAT_BAYER_MIPI_RAW_12BPP_BGGR:
   2828     case CAM_FORMAT_BAYER_IDEAL_RAW_MIPI_12BPP_GBRG:
   2829     case CAM_FORMAT_BAYER_IDEAL_RAW_MIPI_12BPP_GRBG:
   2830     case CAM_FORMAT_BAYER_IDEAL_RAW_MIPI_12BPP_RGGB:
   2831     case CAM_FORMAT_BAYER_IDEAL_RAW_MIPI_12BPP_BGGR:
   2832         /* Every 32 pixels occupy 48 bytes */
   2833         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_32);
   2834         stride_in_bytes = stride * 3 / 2;
   2835         buf_planes->plane_info.num_planes = 1;
   2836         buf_planes->plane_info.mp[0].offset = 0;
   2837         buf_planes->plane_info.mp[0].len =
   2838                 PAD_TO_SIZE((uint32_t)(stride_in_bytes * scanline),
   2839                         padding->plane_padding);
   2840         buf_planes->plane_info.frame_len =
   2841                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len, CAM_PAD_TO_4K);
   2842         buf_planes->plane_info.mp[0].offset_x =0;
   2843         buf_planes->plane_info.mp[0].offset_y = 0;
   2844         buf_planes->plane_info.mp[0].stride = stride;
   2845         buf_planes->plane_info.mp[0].stride_in_bytes = stride_in_bytes;
   2846         buf_planes->plane_info.mp[0].scanline = scanline;
   2847         buf_planes->plane_info.mp[0].width = (int32_t)buf_planes->plane_info.mp[0].len;
   2848         buf_planes->plane_info.mp[0].height = 1;
   2849         break;
   2850     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN16_8BPP_GBRG:
   2851     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN16_8BPP_GRBG:
   2852     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN16_8BPP_RGGB:
   2853     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN16_8BPP_BGGR:
   2854     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN16_10BPP_GBRG:
   2855     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN16_10BPP_GRBG:
   2856     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN16_10BPP_RGGB:
   2857     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN16_10BPP_BGGR:
   2858     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN16_12BPP_GBRG:
   2859     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN16_12BPP_GRBG:
   2860     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN16_12BPP_RGGB:
   2861     case CAM_FORMAT_BAYER_IDEAL_RAW_PLAIN16_12BPP_BGGR:
   2862         /* Every 8 pixels occupy 16 bytes */
   2863         stride = PAD_TO_SIZE(dim->width, CAM_PAD_TO_8);
   2864         stride_in_bytes = stride * 2;
   2865         buf_planes->plane_info.num_planes = 1;
   2866         buf_planes->plane_info.mp[0].offset = 0;
   2867         buf_planes->plane_info.mp[0].len =
   2868                 PAD_TO_SIZE((uint32_t)(stride_in_bytes * scanline),
   2869                         padding->plane_padding);
   2870         buf_planes->plane_info.frame_len =
   2871                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len, CAM_PAD_TO_4K);
   2872         buf_planes->plane_info.mp[0].offset_x =0;
   2873         buf_planes->plane_info.mp[0].offset_y = 0;
   2874         buf_planes->plane_info.mp[0].stride = stride;
   2875         buf_planes->plane_info.mp[0].stride_in_bytes = stride_in_bytes;
   2876         buf_planes->plane_info.mp[0].scanline = scanline;
   2877         buf_planes->plane_info.mp[0].width = (int32_t)buf_planes->plane_info.mp[0].len;
   2878         buf_planes->plane_info.mp[0].height = 1;
   2879         break;
   2880     default:
   2881         CDBG_ERROR("%s: Invalid cam_format %d for raw stream",
   2882                    __func__, fmt);
   2883         rc = -1;
   2884         break;
   2885     }
   2886 
   2887     return rc;
   2888 }
   2889 
   2890 /*===========================================================================
   2891  * FUNCTION   : mm_stream_calc_offset_video
   2892  *
   2893  * DESCRIPTION: calculate video frame offset based on format and
   2894  *              padding information
   2895  *
   2896  * PARAMETERS :
   2897  *   @dim     : image dimension
   2898  *   @buf_planes : [out] buffer plane information
   2899  *
   2900  * RETURN     : int32_t type of status
   2901  *              0  -- success
   2902  *              -1 -- failure
   2903  *==========================================================================*/
   2904 #ifdef VENUS_PRESENT
   2905 int32_t mm_stream_calc_offset_video(cam_dimension_t *dim,
   2906                                     cam_stream_buf_plane_info_t *buf_planes)
   2907 {
   2908     int stride = 0, scanline = 0;
   2909 
   2910     // using Venus
   2911     stride = VENUS_Y_STRIDE(COLOR_FMT_NV12, dim->width);
   2912     scanline = VENUS_Y_SCANLINES(COLOR_FMT_NV12, dim->height);
   2913 
   2914     buf_planes->plane_info.frame_len =
   2915         VENUS_BUFFER_SIZE(COLOR_FMT_NV12, dim->width, dim->height);
   2916     buf_planes->plane_info.num_planes = 2;
   2917     buf_planes->plane_info.mp[0].len = (uint32_t)(stride * scanline);
   2918     buf_planes->plane_info.mp[0].offset = 0;
   2919     buf_planes->plane_info.mp[0].offset_x =0;
   2920     buf_planes->plane_info.mp[0].offset_y = 0;
   2921     buf_planes->plane_info.mp[0].stride = stride;
   2922     buf_planes->plane_info.mp[0].scanline = scanline;
   2923     buf_planes->plane_info.mp[0].width = dim->width;
   2924     buf_planes->plane_info.mp[0].height = dim->height;
   2925     stride = VENUS_UV_STRIDE(COLOR_FMT_NV12, dim->width);
   2926     scanline = VENUS_UV_SCANLINES(COLOR_FMT_NV12, dim->height);
   2927     buf_planes->plane_info.mp[1].len =
   2928         buf_planes->plane_info.frame_len - buf_planes->plane_info.mp[0].len;
   2929     buf_planes->plane_info.mp[1].offset = 0;
   2930     buf_planes->plane_info.mp[1].offset_x =0;
   2931     buf_planes->plane_info.mp[1].offset_y = 0;
   2932     buf_planes->plane_info.mp[1].stride = stride;
   2933     buf_planes->plane_info.mp[1].scanline = scanline;
   2934     buf_planes->plane_info.mp[1].width = dim->width;
   2935     buf_planes->plane_info.mp[1].height = dim->height / 2;
   2936 
   2937     return 0;
   2938 }
   2939 #else
   2940 int32_t mm_stream_calc_offset_video(cam_dimension_t *dim,
   2941                                     cam_stream_buf_plane_info_t *buf_planes)
   2942 {
   2943     int stride = 0, scanline = 0;
   2944 
   2945     buf_planes->plane_info.num_planes = 2;
   2946 
   2947     stride = dim->width;
   2948     scanline = dim->height;
   2949     buf_planes->plane_info.mp[0].len =
   2950             PAD_TO_SIZE((uint32_t)(stride * scanline), CAM_PAD_TO_2K);
   2951     buf_planes->plane_info.mp[0].offset = 0;
   2952     buf_planes->plane_info.mp[0].offset_x =0;
   2953     buf_planes->plane_info.mp[0].offset_y = 0;
   2954     buf_planes->plane_info.mp[0].stride = stride;
   2955     buf_planes->plane_info.mp[0].scanline = scanline;
   2956     buf_planes->plane_info.mp[0].width = dim->width;
   2957     buf_planes->plane_info.mp[0].height = dim->height;
   2958 
   2959     stride = dim->width;
   2960     scanline = dim->height / 2;
   2961     buf_planes->plane_info.mp[1].len =
   2962             PAD_TO_SIZE((uint32_t)(stride * scanline), CAM_PAD_TO_2K);
   2963     buf_planes->plane_info.mp[1].offset = 0;
   2964     buf_planes->plane_info.mp[1].offset_x =0;
   2965     buf_planes->plane_info.mp[1].offset_y = 0;
   2966     buf_planes->plane_info.mp[1].stride = stride;
   2967     buf_planes->plane_info.mp[1].scanline = scanline;
   2968     buf_planes->plane_info.mp[1].width = dim->width;
   2969     buf_planes->plane_info.mp[1].height = dim->height / 2;
   2970 
   2971     buf_planes->plane_info.frame_len =
   2972             PAD_TO_SIZE(buf_planes->plane_info.mp[0].len +
   2973                     buf_planes->plane_info.mp[1].len,
   2974                     CAM_PAD_TO_4K);
   2975 
   2976     return 0;
   2977 }
   2978 #endif
   2979 
   2980 /*===========================================================================
   2981  * FUNCTION   : mm_stream_calc_offset_metadata
   2982  *
   2983  * DESCRIPTION: calculate metadata frame offset based on format and
   2984  *              padding information
   2985  *
   2986  * PARAMETERS :
   2987  *   @dim     : image dimension
   2988  *   @padding : padding information
   2989  *   @buf_planes : [out] buffer plane information
   2990  *
   2991  * RETURN     : int32_t type of status
   2992  *              0  -- success
   2993  *              -1 -- failure
   2994  *==========================================================================*/
   2995 int32_t mm_stream_calc_offset_metadata(cam_dimension_t *dim,
   2996                                        cam_padding_info_t *padding,
   2997                                        cam_stream_buf_plane_info_t *buf_planes)
   2998 {
   2999     int32_t rc = 0;
   3000     buf_planes->plane_info.num_planes = 1;
   3001     buf_planes->plane_info.mp[0].offset = 0;
   3002     buf_planes->plane_info.mp[0].len =
   3003             PAD_TO_SIZE((uint32_t)(dim->width * dim->height),
   3004                     padding->plane_padding);
   3005     buf_planes->plane_info.frame_len =
   3006         buf_planes->plane_info.mp[0].len;
   3007 
   3008     buf_planes->plane_info.mp[0].offset_x =0;
   3009     buf_planes->plane_info.mp[0].offset_y = 0;
   3010     buf_planes->plane_info.mp[0].stride = dim->width;
   3011     buf_planes->plane_info.mp[0].scanline = dim->height;
   3012     buf_planes->plane_info.mp[0].width = dim->width;
   3013     buf_planes->plane_info.mp[0].height = dim->height;
   3014     return rc;
   3015 }
   3016 
   3017 /*===========================================================================
   3018  * FUNCTION   : mm_stream_calc_offset_analysis
   3019  *
   3020  * DESCRIPTION: calculate analysis frame offset based on format and
   3021  *              padding information
   3022  *
   3023  * PARAMETERS :
   3024  *   @fmt     : image format
   3025  *   @dim     : image dimension
   3026  *   @padding : padding information
   3027  *   @buf_planes : [out] buffer plane information
   3028  *
   3029  * RETURN     : int32_t type of status
   3030  *              0  -- success
   3031  *              -1 -- failure
   3032  *==========================================================================*/
   3033 int32_t mm_stream_calc_offset_analysis(cam_format_t fmt,
   3034                                        cam_dimension_t *dim,
   3035                                        cam_padding_info_t *padding,
   3036                                        cam_stream_buf_plane_info_t *buf_planes)
   3037 {
   3038     int32_t rc = 0;
   3039     int32_t offset_x = 0, offset_y = 0;
   3040     int32_t stride, scanline;
   3041 
   3042     /* Clip to minimum supported bytes per line */
   3043     if ((uint32_t)dim->width < padding->min_stride) {
   3044         stride = (int32_t)padding->min_stride;
   3045     } else {
   3046         stride = dim->width;
   3047     }
   3048 
   3049     if ((uint32_t)dim->height < padding->min_scanline) {
   3050       scanline = (int32_t)padding->min_scanline;
   3051     } else {
   3052       scanline = dim->height;
   3053     }
   3054 
   3055     stride = PAD_TO_SIZE(stride, padding->width_padding);
   3056     scanline = PAD_TO_SIZE(scanline, padding->height_padding);
   3057 
   3058     switch (fmt) {
   3059     case CAM_FORMAT_YUV_420_NV12:
   3060     case CAM_FORMAT_YUV_420_NV21:
   3061         /* 2 planes: Y + CbCr */
   3062         buf_planes->plane_info.num_planes = 2;
   3063 
   3064         buf_planes->plane_info.mp[0].len =
   3065                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   3066                         padding->plane_padding);
   3067         buf_planes->plane_info.mp[0].offset =
   3068                 PAD_TO_SIZE((uint32_t)(offset_x + stride * offset_y),
   3069                         padding->plane_padding);
   3070         buf_planes->plane_info.mp[0].offset_x = offset_x;
   3071         buf_planes->plane_info.mp[0].offset_y = offset_y;
   3072         buf_planes->plane_info.mp[0].stride = stride;
   3073         buf_planes->plane_info.mp[0].scanline = scanline;
   3074         buf_planes->plane_info.mp[0].width = dim->width;
   3075         buf_planes->plane_info.mp[0].height = dim->height;
   3076 
   3077         scanline = scanline / 2;
   3078         buf_planes->plane_info.mp[1].len =
   3079                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   3080                         padding->plane_padding);
   3081         buf_planes->plane_info.mp[1].offset =
   3082                 PAD_TO_SIZE((uint32_t)(offset_x + stride * offset_y),
   3083                         padding->plane_padding);
   3084         buf_planes->plane_info.mp[1].offset_x = offset_x;
   3085         buf_planes->plane_info.mp[1].offset_y = offset_y;
   3086         buf_planes->plane_info.mp[1].stride = stride;
   3087         buf_planes->plane_info.mp[1].scanline = scanline;
   3088         buf_planes->plane_info.mp[1].width = dim->width;
   3089         buf_planes->plane_info.mp[1].height = dim->height / 2;
   3090 
   3091         buf_planes->plane_info.frame_len =
   3092                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len +
   3093                         buf_planes->plane_info.mp[1].len,
   3094                         CAM_PAD_TO_4K);
   3095         break;
   3096     case CAM_FORMAT_YUV_420_YV12:
   3097         /* 3 planes: Y + Cr + Cb */
   3098         buf_planes->plane_info.num_planes = 3;
   3099 
   3100         buf_planes->plane_info.mp[0].offset =
   3101                 PAD_TO_SIZE((uint32_t)(offset_x + stride * offset_y),
   3102                         padding->plane_padding);
   3103         buf_planes->plane_info.mp[0].len =
   3104                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   3105                         padding->plane_padding);
   3106         buf_planes->plane_info.mp[0].offset_x = offset_x;
   3107         buf_planes->plane_info.mp[0].offset_y = offset_y;
   3108         buf_planes->plane_info.mp[0].stride = stride;
   3109         buf_planes->plane_info.mp[0].scanline = scanline;
   3110         buf_planes->plane_info.mp[0].width = dim->width;
   3111         buf_planes->plane_info.mp[0].height = dim->height;
   3112 
   3113         stride = PAD_TO_SIZE(stride / 2, CAM_PAD_TO_16);
   3114         scanline = scanline / 2;
   3115         buf_planes->plane_info.mp[1].offset =
   3116                 PAD_TO_SIZE((uint32_t)(offset_x + stride * offset_y),
   3117                         padding->plane_padding);
   3118         buf_planes->plane_info.mp[1].len =
   3119                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   3120                         padding->plane_padding);
   3121         buf_planes->plane_info.mp[1].offset_x = offset_x;
   3122         buf_planes->plane_info.mp[1].offset_y = offset_y;
   3123         buf_planes->plane_info.mp[1].stride = stride;
   3124         buf_planes->plane_info.mp[1].scanline = scanline;
   3125         buf_planes->plane_info.mp[1].width = dim->width / 2;
   3126         buf_planes->plane_info.mp[1].height = dim->height / 2;
   3127 
   3128         buf_planes->plane_info.mp[2].offset =
   3129                 PAD_TO_SIZE((uint32_t)(offset_x + stride * offset_y),
   3130                         padding->plane_padding);
   3131         buf_planes->plane_info.mp[2].len =
   3132                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   3133                         padding->plane_padding);
   3134         buf_planes->plane_info.mp[2].offset_x = offset_x;
   3135         buf_planes->plane_info.mp[2].offset_y = offset_y;
   3136         buf_planes->plane_info.mp[2].stride = stride;
   3137         buf_planes->plane_info.mp[2].scanline = scanline;
   3138         buf_planes->plane_info.mp[2].width = dim->width / 2;
   3139         buf_planes->plane_info.mp[2].height = dim->height / 2;
   3140 
   3141         buf_planes->plane_info.frame_len =
   3142                 PAD_TO_SIZE(buf_planes->plane_info.mp[0].len +
   3143                         buf_planes->plane_info.mp[1].len +
   3144                         buf_planes->plane_info.mp[2].len,
   3145                         CAM_PAD_TO_4K);
   3146         break;
   3147     case CAM_FORMAT_YUV_422_NV16:
   3148     case CAM_FORMAT_YUV_422_NV61:
   3149         /* 2 planes: Y + CbCr */
   3150         buf_planes->plane_info.num_planes = 2;
   3151         buf_planes->plane_info.mp[0].len =
   3152                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   3153                         padding->plane_padding);
   3154         buf_planes->plane_info.mp[0].offset =
   3155                 PAD_TO_SIZE((uint32_t)(offset_x + stride * offset_y),
   3156                         padding->plane_padding);
   3157         buf_planes->plane_info.mp[0].offset_x = offset_x;
   3158         buf_planes->plane_info.mp[0].offset_y = offset_y;
   3159         buf_planes->plane_info.mp[0].stride = stride;
   3160         buf_planes->plane_info.mp[0].scanline = scanline;
   3161         buf_planes->plane_info.mp[0].width = dim->width;
   3162         buf_planes->plane_info.mp[0].height = dim->height;
   3163 
   3164         buf_planes->plane_info.mp[1].len =
   3165                 PAD_TO_SIZE((uint32_t)(stride * scanline),
   3166                         padding->plane_padding);
   3167         buf_planes->plane_info.mp[1].offset =
   3168                 PAD_TO_SIZE((uint32_t)(offset_x + stride * offset_y),
   3169                         padding->plane_padding);
   3170         buf_planes->plane_info.mp[1].offset_x = offset_x;
   3171         buf_planes->plane_info.mp[1].offset_y = offset_y;
   3172         buf_planes->plane_info.mp[1].stride = stride;
   3173         buf_planes->plane_info.mp[1].scanline = scanline;
   3174         buf_planes->plane_info.mp[1].width = dim->width;
   3175         buf_planes->plane_info.mp[1].height = dim->height;
   3176 
   3177         buf_planes->plane_info.frame_len = PAD_TO_SIZE(
   3178             buf_planes->plane_info.mp[0].len + buf_planes->plane_info.mp[1].len,
   3179             CAM_PAD_TO_4K);
   3180         break;
   3181     default:
   3182         CDBG_ERROR("%s: Invalid cam_format for snapshot %d",
   3183                    __func__, fmt);
   3184         rc = -1;
   3185         break;
   3186     }
   3187 
   3188     return rc;
   3189 }
   3190 
   3191 /*===========================================================================
   3192  * FUNCTION   : mm_stream_calc_offset_postproc
   3193  *
   3194  * DESCRIPTION: calculate postprocess frame offset
   3195  *
   3196  * PARAMETERS :
   3197  *   @stream_info: ptr to stream info
   3198  *   @padding : padding information
   3199  *   @plns : [out] buffer plane information
   3200  *
   3201  * RETURN     : int32_t type of status
   3202  *              0  -- success
   3203  *              -1 -- failure
   3204  *==========================================================================*/
   3205 int32_t mm_stream_calc_offset_postproc(cam_stream_info_t *stream_info,
   3206                                        cam_padding_info_t *padding,
   3207                                        cam_stream_buf_plane_info_t *plns)
   3208 {
   3209     int32_t rc = 0;
   3210     cam_stream_type_t type = CAM_STREAM_TYPE_DEFAULT;
   3211     if (stream_info->reprocess_config.pp_type == CAM_OFFLINE_REPROCESS_TYPE) {
   3212         type = stream_info->reprocess_config.offline.input_type;
   3213         if (CAM_STREAM_TYPE_DEFAULT == type) {
   3214             if (plns->plane_info.frame_len == 0) {
   3215                 // take offset from input source
   3216                 *plns = stream_info->reprocess_config.offline.input_buf_planes;
   3217                 return rc;
   3218             }
   3219         } else {
   3220             type = stream_info->reprocess_config.offline.input_type;
   3221         }
   3222     } else {
   3223         type = stream_info->reprocess_config.online.input_stream_type;
   3224     }
   3225 
   3226     switch (type) {
   3227     case CAM_STREAM_TYPE_PREVIEW:
   3228     case CAM_STREAM_TYPE_CALLBACK:
   3229         rc = mm_stream_calc_offset_preview(stream_info->fmt,
   3230                                            &stream_info->dim,
   3231                                            plns);
   3232         break;
   3233     case CAM_STREAM_TYPE_POSTVIEW:
   3234         rc = mm_stream_calc_offset_post_view(stream_info->fmt,
   3235                                            &stream_info->dim,
   3236                                            plns);
   3237         break;
   3238     case CAM_STREAM_TYPE_SNAPSHOT:
   3239         rc = mm_stream_calc_offset_snapshot(stream_info->fmt,
   3240                                             &stream_info->dim,
   3241                                             padding,
   3242                                             plns);
   3243         break;
   3244     case CAM_STREAM_TYPE_VIDEO:
   3245         rc = mm_stream_calc_offset_video(&stream_info->dim,
   3246                         plns);
   3247         break;
   3248     case CAM_STREAM_TYPE_RAW:
   3249         rc = mm_stream_calc_offset_raw(stream_info->fmt,
   3250                                        &stream_info->dim,
   3251                                        padding,
   3252                                        plns);
   3253         break;
   3254     case CAM_STREAM_TYPE_ANALYSIS:
   3255         rc = mm_stream_calc_offset_analysis(stream_info->fmt,
   3256                                             &stream_info->dim,
   3257                                             padding,
   3258                                             plns);
   3259         break;
   3260     case CAM_STREAM_TYPE_METADATA:
   3261         rc = mm_stream_calc_offset_metadata(&stream_info->dim,
   3262                                             padding,
   3263                                             plns);
   3264         break;
   3265     case CAM_STREAM_TYPE_OFFLINE_PROC:
   3266         rc = mm_stream_calc_offset_snapshot(stream_info->fmt,
   3267                 &stream_info->dim, padding, plns);
   3268         break;
   3269     default:
   3270         CDBG_ERROR("%s: not supported for stream type %d",
   3271                    __func__, type);
   3272         rc = -1;
   3273         break;
   3274     }
   3275     return rc;
   3276 }
   3277 
   3278 /*===========================================================================
   3279  * FUNCTION   : mm_stream_calc_offset
   3280  *
   3281  * DESCRIPTION: calculate frame offset based on format and padding information
   3282  *
   3283  * PARAMETERS :
   3284  *   @my_obj  : stream object
   3285  *
   3286  * RETURN     : int32_t type of status
   3287  *              0  -- success
   3288  *              -1 -- failure
   3289  *==========================================================================*/
   3290 int32_t mm_stream_calc_offset(mm_stream_t *my_obj)
   3291 {
   3292     int32_t rc = 0;
   3293 
   3294     cam_dimension_t dim = my_obj->stream_info->dim;
   3295     if (my_obj->stream_info->pp_config.feature_mask & CAM_QCOM_FEATURE_ROTATION &&
   3296         my_obj->stream_info->stream_type != CAM_STREAM_TYPE_VIDEO) {
   3297         if (my_obj->stream_info->pp_config.rotation == ROTATE_90 ||
   3298             my_obj->stream_info->pp_config.rotation == ROTATE_270) {
   3299             // rotated by 90 or 270, need to switch width and height
   3300             dim.width = my_obj->stream_info->dim.height;
   3301             dim.height = my_obj->stream_info->dim.width;
   3302         }
   3303     }
   3304 
   3305     switch (my_obj->stream_info->stream_type) {
   3306     case CAM_STREAM_TYPE_PREVIEW:
   3307     case CAM_STREAM_TYPE_CALLBACK:
   3308         rc = mm_stream_calc_offset_preview(my_obj->stream_info->fmt,
   3309                                            &dim,
   3310                                            &my_obj->stream_info->buf_planes);
   3311         break;
   3312     case CAM_STREAM_TYPE_POSTVIEW:
   3313       rc = mm_stream_calc_offset_post_view(my_obj->stream_info->fmt,
   3314                                          &dim,
   3315                                          &my_obj->stream_info->buf_planes);
   3316       break;
   3317     case CAM_STREAM_TYPE_SNAPSHOT:
   3318         rc = mm_stream_calc_offset_snapshot(my_obj->stream_info->fmt,
   3319                                             &dim,
   3320                                             &my_obj->padding_info,
   3321                                             &my_obj->stream_info->buf_planes);
   3322         break;
   3323     case CAM_STREAM_TYPE_OFFLINE_PROC:
   3324         rc = mm_stream_calc_offset_postproc(my_obj->stream_info,
   3325                                             &my_obj->padding_info,
   3326                                             &my_obj->stream_info->buf_planes);
   3327         break;
   3328     case CAM_STREAM_TYPE_VIDEO:
   3329         rc = mm_stream_calc_offset_video(&dim,
   3330                                          &my_obj->stream_info->buf_planes);
   3331         break;
   3332     case CAM_STREAM_TYPE_RAW:
   3333         rc = mm_stream_calc_offset_raw(my_obj->stream_info->fmt,
   3334                                        &dim,
   3335                                        &my_obj->padding_info,
   3336                                        &my_obj->stream_info->buf_planes);
   3337         break;
   3338     case CAM_STREAM_TYPE_ANALYSIS:
   3339         rc = mm_stream_calc_offset_analysis(my_obj->stream_info->fmt,
   3340                                             &dim,
   3341                                             &my_obj->padding_info,
   3342                                             &my_obj->stream_info->buf_planes);
   3343         break;
   3344     case CAM_STREAM_TYPE_METADATA:
   3345         rc = mm_stream_calc_offset_metadata(&dim,
   3346                                             &my_obj->padding_info,
   3347                                             &my_obj->stream_info->buf_planes);
   3348         break;
   3349     default:
   3350         CDBG_ERROR("%s: not supported for stream type %d",
   3351                    __func__, my_obj->stream_info->stream_type);
   3352         rc = -1;
   3353         break;
   3354     }
   3355 
   3356     my_obj->frame_offset = my_obj->stream_info->buf_planes.plane_info;
   3357     return rc;
   3358 }
   3359 
   3360 /*===========================================================================
   3361  * FUNCTION   : mm_stream_sync_info
   3362  *
   3363  * DESCRIPTION: synchronize stream information with server
   3364  *
   3365  * PARAMETERS :
   3366  *   @my_obj  : stream object
   3367  *
   3368  * RETURN     : int32_t type of status
   3369  *              0  -- success
   3370  *              -1 -- failure
   3371  * NOTE       : assume stream info buffer is mapped to server and filled in with
   3372  *              stream information by upper layer. This call will let server to
   3373  *              synchornize the stream information with HAL. If server find any
   3374  *              fields that need to be changed accroding to hardware configuration,
   3375  *              server will modify corresponding fields so that HAL could know
   3376  *              about it.
   3377  *==========================================================================*/
   3378 int32_t mm_stream_sync_info(mm_stream_t *my_obj)
   3379 {
   3380     int32_t rc = 0;
   3381     int32_t value = 0;
   3382     my_obj->stream_info->stream_svr_id = my_obj->server_stream_id;
   3383     rc = mm_stream_calc_offset(my_obj);
   3384 
   3385     if (rc == 0) {
   3386         rc = mm_camera_util_s_ctrl(my_obj->fd,
   3387                                    CAM_PRIV_STREAM_INFO_SYNC,
   3388                                    &value);
   3389     }
   3390     return rc;
   3391 }
   3392 
   3393 /*===========================================================================
   3394  * FUNCTION   : mm_stream_set_fmt
   3395  *
   3396  * DESCRIPTION: set stream format to kernel via v4l2 ioctl
   3397  *
   3398  * PARAMETERS :
   3399  *   @my_obj  : stream object
   3400  *
   3401  * RETURN     : int32_t type of status
   3402  *              0  -- success
   3403  *              -1 -- failure
   3404  *==========================================================================*/
   3405 int32_t mm_stream_set_fmt(mm_stream_t *my_obj)
   3406 {
   3407     int32_t rc = 0;
   3408     struct v4l2_format fmt;
   3409     struct msm_v4l2_format_data msm_fmt;
   3410     int i;
   3411 
   3412     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
   3413          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
   3414 
   3415     if (my_obj->stream_info->dim.width == 0 ||
   3416         my_obj->stream_info->dim.height == 0) {
   3417         CDBG_ERROR("%s:invalid input[w=%d,h=%d,fmt=%d]\n",
   3418                    __func__,
   3419                    my_obj->stream_info->dim.width,
   3420                    my_obj->stream_info->dim.height,
   3421                    my_obj->stream_info->fmt);
   3422         return -1;
   3423     }
   3424 
   3425     memset(&fmt, 0, sizeof(fmt));
   3426     memset(&msm_fmt, 0, sizeof(msm_fmt));
   3427     fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
   3428     msm_fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
   3429 
   3430 
   3431     msm_fmt.width = (unsigned int)my_obj->stream_info->dim.width;
   3432     msm_fmt.height = (unsigned int)my_obj->stream_info->dim.height;
   3433     msm_fmt.pixelformat = mm_stream_get_v4l2_fmt(my_obj->stream_info->fmt);
   3434 
   3435     if (my_obj->stream_info->streaming_mode != CAM_STREAMING_MODE_BATCH) {
   3436         msm_fmt.num_planes = (unsigned char)my_obj->frame_offset.num_planes;
   3437         for (i = 0; i < msm_fmt.num_planes; i++) {
   3438             msm_fmt.plane_sizes[i] = my_obj->frame_offset.mp[i].len;
   3439         }
   3440     } else {
   3441         msm_fmt.num_planes = 1;
   3442         msm_fmt.plane_sizes[0] = my_obj->stream_info->user_buf_info.size;
   3443     }
   3444 
   3445     memcpy(fmt.fmt.raw_data, &msm_fmt, sizeof(msm_fmt));
   3446     rc = ioctl(my_obj->fd, VIDIOC_S_FMT, &fmt);
   3447     return rc;
   3448 }
   3449 
   3450 /*===========================================================================
   3451  * FUNCTION   : mm_stream_buf_done
   3452  *
   3453  * DESCRIPTION: enqueue buffer back to kernel
   3454  *
   3455  * PARAMETERS :
   3456  *   @my_obj       : stream object
   3457  *   @frame        : frame to be enqueued back to kernel
   3458  *
   3459  * RETURN     : int32_t type of status
   3460  *              0  -- success
   3461  *              -1 -- failure
   3462  *==========================================================================*/
   3463 int32_t mm_stream_buf_done(mm_stream_t * my_obj,
   3464                            mm_camera_buf_def_t *frame)
   3465 {
   3466     int32_t rc = 0;
   3467     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
   3468          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
   3469 
   3470     pthread_mutex_lock(&my_obj->buf_lock);
   3471     if (my_obj->stream_info->streaming_mode == CAM_STREAMING_MODE_BATCH) {
   3472         rc = mm_stream_write_user_buf(my_obj, frame);
   3473     } else if(my_obj->buf_status[frame->buf_idx].buf_refcnt == 0) {
   3474         CDBG("%s: Error Trying to free second time?(idx=%d) count=%d\n",
   3475                    __func__, frame->buf_idx,
   3476                    my_obj->buf_status[frame->buf_idx].buf_refcnt);
   3477         rc = -1;
   3478     } else {
   3479         my_obj->buf_status[frame->buf_idx].buf_refcnt--;
   3480         if (0 == my_obj->buf_status[frame->buf_idx].buf_refcnt) {
   3481             CDBG("<DEBUG> : Buf done for buffer:%d, stream:%d", frame->buf_idx, frame->stream_type);
   3482             rc = mm_stream_qbuf(my_obj, frame);
   3483             if(rc < 0) {
   3484                 CDBG_ERROR("%s: mm_camera_stream_qbuf(idx=%d) err=%d\n",
   3485                            __func__, frame->buf_idx, rc);
   3486             } else {
   3487                 my_obj->buf_status[frame->buf_idx].in_kernel = 1;
   3488             }
   3489         }else{
   3490             CDBG("<DEBUG> : Still ref count pending count :%d",
   3491                  my_obj->buf_status[frame->buf_idx].buf_refcnt);
   3492             CDBG("<DEBUG> : for buffer:%p:%d",
   3493                  my_obj, frame->buf_idx);
   3494         }
   3495     }
   3496     pthread_mutex_unlock(&my_obj->buf_lock);
   3497     return rc;
   3498 }
   3499 
   3500 
   3501 /*===========================================================================
   3502  * FUNCTION   : mm_stream_get_queued_buf_count
   3503  *
   3504  * DESCRIPTION: return queued buffer count
   3505  *
   3506  * PARAMETERS :
   3507  *   @my_obj       : stream object
   3508  *
   3509  * RETURN     : queued buffer count
   3510  *==========================================================================*/
   3511 int32_t mm_stream_get_queued_buf_count(mm_stream_t *my_obj)
   3512 {
   3513     int32_t rc = 0;
   3514     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
   3515             __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
   3516     pthread_mutex_lock(&my_obj->buf_lock);
   3517     rc = my_obj->queued_buffer_count;
   3518     pthread_mutex_unlock(&my_obj->buf_lock);
   3519     return rc;
   3520 }
   3521 
   3522 /*===========================================================================
   3523  * FUNCTION   : mm_stream_reg_buf_cb
   3524  *
   3525  * DESCRIPTION: Allow other stream to register dataCB at this stream.
   3526  *
   3527  * PARAMETERS :
   3528  *   @my_obj       : stream object
   3529  *   @val          : ptr to info about the callback to be registered
   3530  *
   3531  * RETURN     : int32_t type of status
   3532  *              0  -- success
   3533  *              -1 -- failure
   3534  *==========================================================================*/
   3535 int32_t mm_stream_reg_buf_cb(mm_stream_t *my_obj,
   3536                              mm_stream_data_cb_t *val)
   3537 {
   3538     int32_t rc = -1;
   3539     uint8_t i;
   3540     CDBG("%s: E, my_handle = 0x%x, fd = %d, state = %d",
   3541          __func__, my_obj->my_hdl, my_obj->fd, my_obj->state);
   3542 
   3543     pthread_mutex_lock(&my_obj->cb_lock);
   3544     for (i=0 ;i < MM_CAMERA_STREAM_BUF_CB_MAX; i++) {
   3545         if(NULL == my_obj->buf_cb[i].cb) {
   3546             my_obj->buf_cb[i] = *val;
   3547             rc = 0;
   3548             break;
   3549         }
   3550     }
   3551     pthread_mutex_unlock(&my_obj->cb_lock);
   3552 
   3553     return rc;
   3554 }
   3555