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      1 /**
      2  * @copyright
      3  *
      4  *   Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
      5  *
      6  *   Redistribution and use in source and binary forms, with or without
      7  *   modification, are permitted provided that the following conditions are met:
      8  *
      9  *   * Redistributions of source code must retain the above copyright notice,
     10  *     this list of conditions and the following disclaimer.
     11  *   * Redistributions in binary form must reproduce the above copyright notice,
     12  *     this list of conditions and the following disclaimer in the documentation
     13  *     and/or other materials provided with the distribution.
     14  *   * Neither the name of The Linux Foundation nor the names of its
     15  *     contributors may be used to endorse or promote products derived from
     16  *     this software without specific prior written permission.
     17  *
     18  *   THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
     19  *   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
     20  *   FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE DISCLAIMED.
     21  *   IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
     22  *   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     23  *   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     24  *   SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
     25  *   CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     26  *   LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  *   OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
     28  *   DAMAGE.
     29  *
     30  * @file
     31  *
     32  *   omx_swvdec.h
     33  *
     34  * @brief
     35  *
     36  *   OMX software video decoder component header.
     37  */
     38 
     39 #ifndef _OMX_SWVDEC_H_
     40 #define _OMX_SWVDEC_H_
     41 
     42 //#undef NDEBUG // uncomment to enable assertions
     43 
     44 #include <pthread.h>
     45 #include <semaphore.h>
     46 
     47 #include <linux/msm_ion.h>
     48 #include <linux/msm_vidc_dec.h>
     49 
     50 #include "qc_omx_component.h"
     51 
     52 #include "omx_swvdec_utils.h"
     53 
     54 #include "swvdec_types.h"
     55 
     56 using namespace android;
     57 
     58 /// OMX SwVdec version date
     59 #define OMX_SWVDEC_VERSION_DATE "2016-10-24T17:37:33+0530"
     60 
     61 #define OMX_SPEC_VERSION 0x00000101 ///< OMX specification version
     62 
     63 #define OMX_SWVDEC_NUM_INSTANCES 1 ///< number of OMX SwVdec instances
     64 
     65 #define OMX_SWVDEC_IP_BUFFER_COUNT_MIN 5 ///< OMX SwVdec minimum ip buffer count
     66 
     67 #define OMX_SWVDEC_MAX_FRAMES_PER_ETB 2 ///< maximum number of frames per ETB
     68 
     69 /// frame dimensions structure
     70 typedef struct {
     71     unsigned int width;  ///< frame width
     72     unsigned int height; ///< frame height
     73 } FRAME_DIMENSIONS;
     74 
     75 /// frame attributes structure
     76 typedef struct {
     77     unsigned int stride;    ///< frame stride
     78     unsigned int scanlines; ///< frame scanlines
     79     unsigned int size;      ///< frame size
     80 } FRAME_ATTRIBUTES;
     81 
     82 /// asynchronous thread structure
     83 typedef struct {
     84     sem_t     sem_thread_created; ///< thread created semaphore
     85     sem_t     sem_event;          ///< event semaphore
     86     pthread_t handle;             ///< thread handle
     87     bool      created;            ///< thread created?
     88     bool      exit;               ///< thread exit variable
     89 } ASYNC_THREAD;
     90 
     91 /// @cond
     92 
     93 struct vdec_ion {
     94     int                        ion_fd_device;
     95     struct ion_fd_data         ion_fd_data;
     96     struct ion_allocation_data ion_alloc_data;
     97 };
     98 
     99 typedef struct {
    100     OMX_BUFFERHEADERTYPE      buffer_header;
    101     struct vdec_ion           ion_info;
    102     struct vdec_bufferpayload buffer_payload;
    103     SWVDEC_BUFFER             buffer_swvdec;
    104     bool                      buffer_populated;
    105     unsigned int              split_count;
    106 } OMX_SWVDEC_BUFFER_INFO;
    107 
    108 /// @endcond
    109 
    110 /// port structure
    111 typedef struct {
    112     OMX_PARAM_PORTDEFINITIONTYPE def;                 ///< definition
    113     OMX_BOOL                     enabled;             ///< enabled?
    114     OMX_BOOL                     populated;           ///< populated?
    115     OMX_BOOL                     unpopulated;         ///< unpopulated?
    116     OMX_BOOL                     flush_inprogress;    ///< flush inprogress?
    117     unsigned int                 num_pending_buffers; ///< # of pending buffers
    118 } OMX_SWVDEC_PORT;
    119 
    120 /// meta_buffer information structure
    121 typedef struct {
    122     int fd;        ///< file descriptor
    123     int ref_count; ///< reference count
    124 } OMX_SWVDEC_META_BUFFER_INFO;
    125 
    126 #define DEFAULT_FRAME_WIDTH  1920 ///< default frame width
    127 #define DEFAULT_FRAME_HEIGHT 1080 ///< default frame height
    128 
    129 #define MAX(x, y) (((x) > (y)) ? (x) : (y)) ///< maximum
    130 #define MIN(x, y) (((x) < (y)) ? (x) : (y)) ///< minimum
    131 #define ALIGN(x, y) (((x) + ((y) - 1)) & (~((y) - 1)))
    132                                   ///< align 'x' to next highest multiple of 'y'
    133 
    134 /// macro to print 'command type' string
    135 #define OMX_COMMANDTYPE_STRING(x)                                 \
    136     ((x == OMX_CommandStateSet) ? "OMX_CommandStateSet" :         \
    137      ((x == OMX_CommandFlush) ? "OMX_CommandFlush" :              \
    138       ((x == OMX_CommandPortDisable) ? "OMX_CommandPortDisable" : \
    139        ((x == OMX_CommandPortEnable) ? "OMX_CommandPortEnable" :  \
    140         "unknown"))))
    141 
    142 /// macro to print 'state type' string
    143 #define OMX_STATETYPE_STRING(x)                                            \
    144     ((x == OMX_StateInvalid) ? "OMX_StateInvalid" :                        \
    145      ((x == OMX_StateLoaded) ? "OMX_StateLoaded" :                         \
    146       ((x == OMX_StateIdle) ? "OMX_StateIdle" :                            \
    147        ((x == OMX_StateExecuting) ? "OMX_StateExecuting" :                 \
    148         ((x == OMX_StatePause) ? "OMX_StatePause" :                        \
    149          ((x == OMX_StateWaitForResources) ? "OMX_StateWaitForResources" : \
    150           "unknown"))))))
    151 
    152 enum {
    153     OMX_CORE_PORT_INDEX_IP = 0, ///<  input port index
    154     OMX_CORE_PORT_INDEX_OP = 1  ///< output port index
    155 };
    156 
    157 extern "C" {
    158     OMX_API void *get_omx_component_factory_fn(void);
    159 };
    160 
    161 /// OMX SwVdec component class; derived from QC OMX component base class
    162 class omx_swvdec : public qc_omx_component
    163 {
    164 public:
    165 
    166     omx_swvdec();
    167 
    168     virtual ~omx_swvdec();
    169 
    170     // derived class versions of base class pure virtual functions
    171 
    172     OMX_ERRORTYPE component_init(OMX_STRING cmp_name);
    173     OMX_ERRORTYPE component_deinit(OMX_HANDLETYPE cmp_handle);
    174     OMX_ERRORTYPE get_component_version(OMX_HANDLETYPE   cmp_handle,
    175                                         OMX_STRING       cmp_name,
    176                                         OMX_VERSIONTYPE *p_cmp_version,
    177                                         OMX_VERSIONTYPE *p_spec_version,
    178                                         OMX_UUIDTYPE    *p_cmp_UUID);
    179     OMX_ERRORTYPE send_command(OMX_HANDLETYPE  cmp_handle,
    180                                OMX_COMMANDTYPE cmd,
    181                                OMX_U32         param,
    182                                OMX_PTR         p_cmd_data);
    183     OMX_ERRORTYPE get_parameter(OMX_HANDLETYPE cmp_handle,
    184                                 OMX_INDEXTYPE  param_index,
    185                                 OMX_PTR        p_param_data);
    186     OMX_ERRORTYPE set_parameter(OMX_HANDLETYPE cmp_handle,
    187                                 OMX_INDEXTYPE  param_index,
    188                                 OMX_PTR        p_param_data);
    189     OMX_ERRORTYPE get_config(OMX_HANDLETYPE cmp_handle,
    190                              OMX_INDEXTYPE  config_index,
    191                              OMX_PTR        p_config_data);
    192     OMX_ERRORTYPE set_config(OMX_HANDLETYPE cmp_handle,
    193                              OMX_INDEXTYPE  config_index,
    194                              OMX_PTR        p_config_data);
    195     OMX_ERRORTYPE get_extension_index(OMX_HANDLETYPE cmp_handle,
    196                                       OMX_STRING     param_name,
    197                                       OMX_INDEXTYPE *p_index_type);
    198     OMX_ERRORTYPE get_state(OMX_HANDLETYPE cmp_handle,
    199                             OMX_STATETYPE *p_state);
    200     OMX_ERRORTYPE component_tunnel_request(OMX_HANDLETYPE       cmp_handle,
    201                                            OMX_U32              port,
    202                                            OMX_HANDLETYPE       peer_component,
    203                                            OMX_U32              peer_port,
    204                                            OMX_TUNNELSETUPTYPE *p_tunnel_setup);
    205     OMX_ERRORTYPE use_buffer(OMX_HANDLETYPE         cmp_handle,
    206                              OMX_BUFFERHEADERTYPE **pp_buffer_hdr,
    207                              OMX_U32                port,
    208                              OMX_PTR                p_app_data,
    209                              OMX_U32                bytes,
    210                              OMX_U8                *p_buffer);
    211     OMX_ERRORTYPE allocate_buffer(OMX_HANDLETYPE         cmp_handle,
    212                                   OMX_BUFFERHEADERTYPE **pp_buffer_hdr,
    213                                   OMX_U32                port,
    214                                   OMX_PTR                p_app_data,
    215                                   OMX_U32                bytes);
    216     OMX_ERRORTYPE free_buffer(OMX_HANDLETYPE        cmp_handle,
    217                               OMX_U32               port,
    218                               OMX_BUFFERHEADERTYPE *p_buffer);
    219     OMX_ERRORTYPE empty_this_buffer(OMX_HANDLETYPE        cmp_handle,
    220                                     OMX_BUFFERHEADERTYPE *p_buffer_hdr);
    221     OMX_ERRORTYPE fill_this_buffer(OMX_HANDLETYPE        cmp_handle,
    222                                    OMX_BUFFERHEADERTYPE *p_buffer_hdr);
    223     OMX_ERRORTYPE set_callbacks(OMX_HANDLETYPE    cmp_handle,
    224                                 OMX_CALLBACKTYPE *p_callbacks,
    225                                 OMX_PTR           p_app_data);
    226     OMX_ERRORTYPE use_EGL_image(OMX_HANDLETYPE         cmp_handle,
    227                                 OMX_BUFFERHEADERTYPE **pp_buffer_hdr,
    228                                 OMX_U32                port,
    229                                 OMX_PTR                p_app_data,
    230                                 void                  *egl_image);
    231     OMX_ERRORTYPE component_role_enum(OMX_HANDLETYPE cmp_handle,
    232                                       OMX_U8        *p_role,
    233                                       OMX_U32        index);
    234 
    235     // SwVdec callback functions
    236 
    237     static SWVDEC_STATUS swvdec_empty_buffer_done_callback(
    238         SWVDEC_HANDLE  swvdec_handle,
    239         SWVDEC_BUFFER *p_buffer_ip,
    240         void          *p_client_handle);
    241     static SWVDEC_STATUS swvdec_fill_buffer_done_callback(
    242         SWVDEC_HANDLE  swvdec_handle,
    243         SWVDEC_BUFFER *p_buffer_op,
    244         void          *p_client_handle);
    245     static SWVDEC_STATUS swvdec_event_handler_callback(
    246         SWVDEC_HANDLE swvdec_handle,
    247         SWVDEC_EVENT  event,
    248         void         *p_data,
    249         void         *p_client_handle);
    250 
    251 private:
    252 
    253     OMX_STATETYPE m_state; ///< component state
    254 
    255     unsigned int m_status_flags; ///< status flags
    256 
    257     char m_cmp_name[OMX_MAX_STRINGNAME_SIZE];  ///< component name
    258     char m_role_name[OMX_MAX_STRINGNAME_SIZE]; ///< component role name
    259 
    260     SWVDEC_CODEC  m_swvdec_codec;   ///< SwVdec codec type
    261     SWVDEC_HANDLE m_swvdec_handle;  ///< SwVdec handle
    262     bool          m_swvdec_created; ///< SwVdec created?
    263 
    264     OMX_VIDEO_CODINGTYPE m_omx_video_codingtype; ///< OMX video coding type
    265     OMX_COLOR_FORMATTYPE m_omx_color_formattype; ///< OMX color format type
    266 
    267     FRAME_DIMENSIONS m_frame_dimensions; ///< frame dimensions
    268     FRAME_ATTRIBUTES m_frame_attributes; ///< frame attributes
    269 
    270     FRAME_DIMENSIONS m_frame_dimensions_max;
    271                                  ///< max frame dimensions for adaptive playback
    272 
    273     ASYNC_THREAD m_async_thread; ///< asynchronous thread
    274 
    275     omx_swvdec_queue m_queue_command; ///< command queue
    276     omx_swvdec_queue m_queue_port_ip; ///<  input port queue for ETBs & EBDs
    277     omx_swvdec_queue m_queue_port_op; ///< output port queue for FTBs & FBDs
    278 
    279     OMX_SWVDEC_PORT m_port_ip; ///<  input port
    280     OMX_SWVDEC_PORT m_port_op; ///< output port
    281 
    282     OMX_CALLBACKTYPE m_callback; ///< IL client callback structure
    283     OMX_PTR          m_app_data; ///< IL client app data pointer
    284 
    285     OMX_PRIORITYMGMTTYPE m_prio_mgmt; ///< priority management
    286 
    287     bool m_sync_frame_decoding_mode; ///< sync frame decoding mode enabled?
    288     bool m_android_native_buffers;   ///< android native buffers enabled?
    289 
    290     bool m_meta_buffer_mode_disabled; ///< meta buffer mode disabled?
    291     bool m_meta_buffer_mode;          ///< meta buffer mode enabled?
    292     bool m_adaptive_playback_mode;    ///< adaptive playback mode enabled?
    293     bool m_arbitrary_bytes_mode;      ///< arbitrary bytes mode enabled?
    294 
    295     bool m_port_reconfig_inprogress; ///< port reconfiguration in progress?
    296 
    297     bool m_dimensions_update_inprogress; ///< dimensions update in progress?
    298 
    299     sem_t m_sem_cmd; ///< semaphore for command processing
    300 
    301     OMX_SWVDEC_BUFFER_INFO *m_buffer_array_ip; ///<  input buffer info array
    302     OMX_SWVDEC_BUFFER_INFO *m_buffer_array_op; ///< output buffer info array
    303 
    304     OMX_SWVDEC_META_BUFFER_INFO *m_meta_buffer_array; ///< metabuffer info array
    305     pthread_mutex_t              m_meta_buffer_array_mutex;
    306                                             ///< mutex for metabuffer info array
    307 
    308     std::priority_queue <OMX_TICKS,
    309                          std::vector<OMX_TICKS>,
    310                          std::greater<OMX_TICKS> > m_queue_timestamp;
    311                                                    ///< timestamp priority queue
    312 
    313     omx_swvdec_diag m_diag; ///< diagnostics class variable
    314 
    315     OMX_ERRORTYPE set_frame_dimensions(unsigned int width,
    316                                        unsigned int height);
    317     OMX_ERRORTYPE set_frame_attributes(OMX_COLOR_FORMATTYPE color_format);
    318     OMX_ERRORTYPE set_adaptive_playback(unsigned int max_width,
    319                                         unsigned int max_height);
    320 
    321     OMX_ERRORTYPE get_video_port_format(
    322         OMX_VIDEO_PARAM_PORTFORMATTYPE *p_port_format);
    323     OMX_ERRORTYPE set_video_port_format(
    324         OMX_VIDEO_PARAM_PORTFORMATTYPE *p_port_format);
    325 
    326     OMX_ERRORTYPE get_port_definition(OMX_PARAM_PORTDEFINITIONTYPE *p_port_def);
    327     OMX_ERRORTYPE set_port_definition(OMX_PARAM_PORTDEFINITIONTYPE *p_port_def);
    328 
    329     OMX_ERRORTYPE get_supported_profilelevel(
    330         OMX_VIDEO_PARAM_PROFILELEVELTYPE *p_profilelevel);
    331 
    332     OMX_ERRORTYPE describe_color_format(DescribeColorFormatParams *p_params);
    333 
    334     OMX_ERRORTYPE set_port_definition_qcom(
    335         OMX_QCOM_PARAM_PORTDEFINITIONTYPE *p_port_def);
    336 
    337     // functions to set SwVdec properties with OMX component properties
    338 
    339     OMX_ERRORTYPE set_frame_dimensions_swvdec();
    340     OMX_ERRORTYPE set_frame_attributes_swvdec();
    341     OMX_ERRORTYPE set_adaptive_playback_swvdec();
    342 
    343     // functions to get SwVdec properties and set OMX component properties
    344 
    345     OMX_ERRORTYPE get_frame_dimensions_swvdec();
    346     OMX_ERRORTYPE get_frame_attributes_swvdec();
    347     OMX_ERRORTYPE get_buffer_requirements_swvdec(unsigned int port_index);
    348 
    349     // buffer allocation & de-allocation functions
    350     OMX_ERRORTYPE buffer_allocate_ip(OMX_BUFFERHEADERTYPE **pp_buffer_hdr,
    351                                      OMX_PTR                p_app_data,
    352                                      OMX_U32                size);
    353     OMX_ERRORTYPE buffer_allocate_op(OMX_BUFFERHEADERTYPE **pp_buffer_hdr,
    354                                      OMX_PTR                p_app_data,
    355                                      OMX_U32                size);
    356     OMX_ERRORTYPE buffer_allocate_ip_info_array();
    357     OMX_ERRORTYPE buffer_allocate_op_info_array();
    358     OMX_ERRORTYPE buffer_use_op(OMX_BUFFERHEADERTYPE **pp_buffer_hdr,
    359                                 OMX_PTR                p_app_data,
    360                                 OMX_U32                size,
    361                                 OMX_U8                *p_buffer);
    362     OMX_ERRORTYPE buffer_deallocate_ip(OMX_BUFFERHEADERTYPE *p_buffer_hdr);
    363     OMX_ERRORTYPE buffer_deallocate_op(OMX_BUFFERHEADERTYPE *p_buffer_hdr);
    364     void          buffer_deallocate_ip_info_array();
    365     void          buffer_deallocate_op_info_array();
    366 
    367     OMX_ERRORTYPE meta_buffer_array_allocate();
    368     void          meta_buffer_array_deallocate();
    369     void          meta_buffer_ref_add(unsigned int index, int fd);
    370     void          meta_buffer_ref_remove(unsigned int index);
    371 
    372     OMX_BOOL port_ip_populated();
    373     OMX_BOOL port_op_populated();
    374 
    375     OMX_ERRORTYPE flush(unsigned int port_index);
    376 
    377     int  ion_memory_alloc_map(struct ion_allocation_data *p_alloc_data,
    378                               struct ion_fd_data         *p_fd_data,
    379                               OMX_U32                     size,
    380                               OMX_U32                     alignment);
    381     void ion_memory_free(struct vdec_ion *p_ion_buf_info);
    382     void ion_flush_op(unsigned int index);
    383 
    384     // component callback functions
    385 
    386     void swvdec_empty_buffer_done(SWVDEC_BUFFER *p_buffer_ip);
    387     void swvdec_fill_buffer_done(SWVDEC_BUFFER *p_buffer_op);
    388     void swvdec_event_handler(SWVDEC_EVENT event, void *p_data);
    389 
    390     OMX_ERRORTYPE retval_swvdec2omx(SWVDEC_STATUS retval_swvdec);
    391 
    392     // status bits for pending events
    393     enum {
    394         PENDING_STATE_LOADED_TO_IDLE,    ///< loaded to idle state
    395         PENDING_STATE_EXECUTING_TO_IDLE, ///< executing to idle state
    396         PENDING_STATE_IDLE_TO_LOADED,    ///< idle to loaded state
    397         PENDING_PORT_ENABLE_IP,          ///< enablement of ip port
    398         PENDING_PORT_ENABLE_OP,          ///< enablement of op port
    399         PENDING_PORT_DISABLE_IP,         ///< disablement of ip port
    400         PENDING_PORT_DISABLE_OP,         ///< disablement of op port
    401         PENDING_PORT_FLUSH_IP,           ///< flush of ip port
    402         PENDING_PORT_FLUSH_OP            ///< flush of op port
    403     };
    404 
    405     // events raised internally
    406     enum {
    407         OMX_SWVDEC_EVENT_CMD,               ///< command event
    408         OMX_SWVDEC_EVENT_CMD_ACK,           ///< command acknowledgement
    409         OMX_SWVDEC_EVENT_ERROR,             ///< error event
    410         OMX_SWVDEC_EVENT_ETB,               ///< ETB event
    411         OMX_SWVDEC_EVENT_EBD,               ///< EBD event
    412         OMX_SWVDEC_EVENT_FTB,               ///< FTB event
    413         OMX_SWVDEC_EVENT_FBD,               ///< FBD event
    414         OMX_SWVDEC_EVENT_EOS,               ///< EOS event
    415         OMX_SWVDEC_EVENT_FLUSH_PORT_IP,     ///< flush ip port event
    416         OMX_SWVDEC_EVENT_FLUSH_PORT_OP,     ///< flush op port event
    417         OMX_SWVDEC_EVENT_PORT_RECONFIG,     ///< port reconfig event
    418         OMX_SWVDEC_EVENT_DIMENSIONS_UPDATED ///< dimensions updated event
    419     };
    420 
    421     OMX_ERRORTYPE async_thread_create();
    422     void          async_thread_destroy();
    423 
    424     static void   async_thread(void *p_cmp);
    425 
    426     void          async_post_event(unsigned long event_id,
    427                                    unsigned long event_param1,
    428                                    unsigned long event_param2);
    429 
    430     static void   async_process_event(void *p_cmp);
    431 
    432     OMX_ERRORTYPE async_process_event_cmd(OMX_COMMANDTYPE cmd, OMX_U32 param);
    433     OMX_ERRORTYPE async_process_event_cmd_ack(OMX_COMMANDTYPE cmd,
    434                                               OMX_U32         param);
    435     OMX_ERRORTYPE async_process_event_error(OMX_ERRORTYPE error_code);
    436     OMX_ERRORTYPE async_process_event_cmd_state_set(bool         *p_cmd_ack,
    437                                                     OMX_STATETYPE state_new);
    438     OMX_ERRORTYPE async_process_event_cmd_flush(unsigned int port_index);
    439     OMX_ERRORTYPE async_process_event_cmd_port_disable(
    440         bool         *p_cmd_ack,
    441         unsigned int  port_index);
    442     OMX_ERRORTYPE async_process_event_cmd_port_enable(bool        *p_cmd_ack,
    443                                                       unsigned int port_index);
    444     OMX_ERRORTYPE async_process_event_etb(OMX_BUFFERHEADERTYPE *p_buffer_hdr,
    445                                           unsigned int          index);
    446     OMX_ERRORTYPE async_process_event_ftb(OMX_BUFFERHEADERTYPE *p_buffer_hdr,
    447                                           unsigned int          index);
    448     OMX_ERRORTYPE async_process_event_ebd(OMX_BUFFERHEADERTYPE *p_buffer_hdr,
    449                                           unsigned int          index);
    450     OMX_ERRORTYPE async_process_event_fbd(OMX_BUFFERHEADERTYPE *p_buffer_hdr,
    451                                           unsigned int          index);
    452     OMX_ERRORTYPE async_process_event_eos();
    453     OMX_ERRORTYPE async_process_event_flush_port_ip();
    454     OMX_ERRORTYPE async_process_event_flush_port_op();
    455     OMX_ERRORTYPE async_process_event_port_reconfig();
    456     OMX_ERRORTYPE async_process_event_dimensions_updated();
    457 };
    458 
    459 #endif // #ifndef _OMX_SWVDEC_H_
    460