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      1 /* Copyright (c) 2012-2015, The Linux Foundataion. 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
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     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 #ifndef __QCAMERA_CHANNEL_H__
     31 #define __QCAMERA_CHANNEL_H__
     32 
     33 #include <hardware/camera.h>
     34 #include "QCameraStream.h"
     35 
     36 extern "C" {
     37 #include <mm_camera_interface.h>
     38 }
     39 
     40 namespace qcamera {
     41 
     42 class QCameraChannel
     43 {
     44 public:
     45     QCameraChannel(uint32_t cam_handle,
     46                    mm_camera_ops_t *cam_ops);
     47     QCameraChannel();
     48     virtual ~QCameraChannel();
     49     virtual int32_t init(mm_camera_channel_attr_t *attr,
     50                          mm_camera_buf_notify_t dataCB, // data CB for channel data
     51                          void *userData);
     52     // Owner of memory is transferred from the caller to the caller with this call.
     53     virtual int32_t addStream(QCameraAllocator& allocator,
     54             QCameraHeapMemory *streamInfoBuf, QCameraHeapMemory *miscBuf,
     55             uint8_t minStreamBufnum, cam_padding_info_t *paddingInfo,
     56             stream_cb_routine stream_cb, void *userdata, bool bDynAllocBuf,
     57             bool bDeffAlloc = false, cam_rotation_t online_rotation = ROTATE_0);
     58     virtual int32_t linkStream(QCameraChannel *ch, QCameraStream *stream);
     59     virtual int32_t start();
     60     virtual int32_t stop();
     61     virtual int32_t bufDone(mm_camera_super_buf_t *recvd_frame);
     62     virtual int32_t processZoomDone(preview_stream_ops_t *previewWindow,
     63                                     cam_crop_data_t &crop_info);
     64     int32_t config();
     65     QCameraStream *getStreamByHandle(uint32_t streamHandle);
     66     uint32_t getMyHandle() const {return m_handle;};
     67     uint32_t getNumOfStreams() const {return (uint32_t) mStreams.size();};
     68     QCameraStream *getStreamByIndex(uint32_t index);
     69     QCameraStream *getStreamByServerID(uint32_t serverID);
     70     int32_t UpdateStreamBasedParameters(QCameraParameters &param);
     71     void deleteChannel();
     72 
     73 protected:
     74     uint32_t m_camHandle;
     75     mm_camera_ops_t *m_camOps;
     76     bool m_bIsActive;
     77     bool m_bAllowDynBufAlloc; // if buf allocation can be in two steps
     78 
     79     uint32_t m_handle;
     80     Vector<QCameraStream *> mStreams;
     81     mm_camera_buf_notify_t mDataCB;
     82     void *mUserData;
     83 };
     84 
     85 // burst pic channel: i.e. zsl burst mode
     86 class QCameraPicChannel : public QCameraChannel
     87 {
     88 public:
     89     QCameraPicChannel(uint32_t cam_handle,
     90                       mm_camera_ops_t *cam_ops);
     91     QCameraPicChannel();
     92     virtual ~QCameraPicChannel();
     93     int32_t takePicture(uint8_t num_of_snapshot, uint8_t num_of_retro_snapshot);
     94     int32_t cancelPicture();
     95     int32_t stopAdvancedCapture(mm_camera_advanced_capture_t type);
     96     int32_t startAdvancedCapture(mm_camera_advanced_capture_t type,
     97             cam_capture_frame_config_t *config = NULL);
     98     int32_t flushSuperbuffer(uint32_t frame_idx);
     99 };
    100 
    101 // video channel class
    102 class QCameraVideoChannel : public QCameraChannel
    103 {
    104 public:
    105     QCameraVideoChannel(uint32_t cam_handle,
    106                         mm_camera_ops_t *cam_ops);
    107     QCameraVideoChannel();
    108     virtual ~QCameraVideoChannel();
    109     int32_t releaseFrame(const void *opaque, bool isMetaData);
    110 };
    111 
    112 // reprocess channel class
    113 class QCameraReprocessChannel : public QCameraChannel
    114 {
    115 public:
    116     QCameraReprocessChannel(uint32_t cam_handle,
    117                             mm_camera_ops_t *cam_ops);
    118     QCameraReprocessChannel();
    119     virtual ~QCameraReprocessChannel();
    120     int32_t addReprocStreamsFromSource(QCameraAllocator& allocator,
    121                                        cam_pp_feature_config_t &config,
    122                                        QCameraChannel *pSrcChannel,
    123                                        uint8_t minStreamBufNum,
    124                                        uint8_t burstNum,
    125                                        cam_padding_info_t *paddingInfo,
    126                                        QCameraParameters &param,
    127                                        bool contStream,
    128                                        bool offline);
    129     // online reprocess
    130     int32_t doReprocess(mm_camera_super_buf_t *frame,
    131             QCameraParameters &param, QCameraStream *pMetaStream,
    132             uint8_t meta_buf_index);
    133 
    134     // offline reprocess
    135     int32_t doReprocess(int buf_fd, size_t buf_length, int32_t &ret_val);
    136 
    137     int32_t doReprocessOffline(mm_camera_super_buf_t *frame,
    138              mm_camera_buf_def_t *meta_buf);
    139 
    140     int32_t stop();
    141     QCameraChannel *getSrcChannel(){return m_pSrcChannel;};
    142 
    143 private:
    144     QCameraStream *getStreamBySrouceHandle(uint32_t srcHandle);
    145 
    146     typedef struct {
    147         QCameraStream *stream;
    148         cam_mapping_buf_type type;
    149         uint32_t index;
    150     } OfflineBuffer;
    151 
    152     uint32_t mSrcStreamHandles[MAX_STREAM_NUM_IN_BUNDLE];
    153     QCameraChannel *m_pSrcChannel; // ptr to source channel for reprocess
    154     android::List<OfflineBuffer> mOfflineBuffers;
    155 
    156 };
    157 
    158 }; // namespace qcamera
    159 
    160 #endif /* __QCAMERA_CHANNEL_H__ */
    161