C++ (Cpp) vlVaDecoderFixMPEG4Startcode Examples

Example #1

File: picture.c Project: Kalamatee/mesa

static void
handleVASliceDataBufferType(vlVaContext *context, vlVaBuffer *buf)
{
   enum pipe_video_format format;
   unsigned num_buffers = 0;
   void * const *buffers[2];
   unsigned sizes[2];
   static const uint8_t start_code_h264[] = { 0x00, 0x00, 0x01 };
   static const uint8_t start_code_h265[] = { 0x00, 0x00, 0x01 };
   static const uint8_t start_code_vc1[] = { 0x00, 0x00, 0x01, 0x0d };

   format = u_reduce_video_profile(context->templat.profile);
   switch (format) {
   case PIPE_VIDEO_FORMAT_MPEG4_AVC:
      if (bufHasStartcode(buf, 0x000001, 24))
         break;

      buffers[num_buffers] = (void *const)&start_code_h264;
      sizes[num_buffers++] = sizeof(start_code_h264);
      break;
   case PIPE_VIDEO_FORMAT_HEVC:
      if (bufHasStartcode(buf, 0x000001, 24))
         break;

      buffers[num_buffers] = (void *const)&start_code_h265;
      sizes[num_buffers++] = sizeof(start_code_h265);
      break;
   case PIPE_VIDEO_FORMAT_VC1:
      if (bufHasStartcode(buf, 0x0000010d, 32) ||
          bufHasStartcode(buf, 0x0000010c, 32) ||
          bufHasStartcode(buf, 0x0000010b, 32))
         break;

      if (context->decoder->profile == PIPE_VIDEO_PROFILE_VC1_ADVANCED) {
         buffers[num_buffers] = (void *const)&start_code_vc1;
         sizes[num_buffers++] = sizeof(start_code_vc1);
      }
      break;
   case PIPE_VIDEO_FORMAT_MPEG4:
      if (bufHasStartcode(buf, 0x000001, 24))
         break;

      vlVaDecoderFixMPEG4Startcode(context);
      buffers[num_buffers] = (void *)context->mpeg4.start_code;
      sizes[num_buffers++] = context->mpeg4.start_code_size;
   default:
      break;
   }

   buffers[num_buffers] = buf->data;
   sizes[num_buffers] = buf->size;
   ++num_buffers;
   context->decoder->decode_bitstream(context->decoder, context->target, &context->desc.base,
      num_buffers, (const void * const*)buffers, sizes);
}

Example #2

File: picture.c Project: ChristophHaag/mesa-mesa

static void
handleVASliceDataBufferType(vlVaContext *context, vlVaBuffer *buf)
{
   enum pipe_video_format format;
   unsigned num_buffers = 0;
   void * const *buffers[3];
   unsigned sizes[3];
   static const uint8_t start_code_h264[] = { 0x00, 0x00, 0x01 };
   static const uint8_t start_code_h265[] = { 0x00, 0x00, 0x01 };
   static const uint8_t start_code_vc1[] = { 0x00, 0x00, 0x01, 0x0d };
   static const uint8_t eoi_jpeg[] = { 0xff, 0xd9 };

   format = u_reduce_video_profile(context->templat.profile);
   switch (format) {
   case PIPE_VIDEO_FORMAT_MPEG4_AVC:
      if (bufHasStartcode(buf, 0x000001, 24))
         break;

      buffers[num_buffers] = (void *const)&start_code_h264;
      sizes[num_buffers++] = sizeof(start_code_h264);
      break;
   case PIPE_VIDEO_FORMAT_HEVC:
      if (bufHasStartcode(buf, 0x000001, 24))
         break;

      buffers[num_buffers] = (void *const)&start_code_h265;
      sizes[num_buffers++] = sizeof(start_code_h265);
      break;
   case PIPE_VIDEO_FORMAT_VC1:
      if (bufHasStartcode(buf, 0x0000010d, 32) ||
          bufHasStartcode(buf, 0x0000010c, 32) ||
          bufHasStartcode(buf, 0x0000010b, 32))
         break;

      if (context->decoder->profile == PIPE_VIDEO_PROFILE_VC1_ADVANCED) {
         buffers[num_buffers] = (void *const)&start_code_vc1;
         sizes[num_buffers++] = sizeof(start_code_vc1);
      }
      break;
   case PIPE_VIDEO_FORMAT_MPEG4:
      if (bufHasStartcode(buf, 0x000001, 24))
         break;

      vlVaDecoderFixMPEG4Startcode(context);
      buffers[num_buffers] = (void *)context->mpeg4.start_code;
      sizes[num_buffers++] = context->mpeg4.start_code_size;
      break;
   case PIPE_VIDEO_FORMAT_JPEG:
      vlVaGetJpegSliceHeader(context);
      buffers[num_buffers] = (void *)context->mjpeg.slice_header;
      sizes[num_buffers++] = context->mjpeg.slice_header_size;
      break;
   case PIPE_VIDEO_FORMAT_VP9:
      vlVaDecoderVP9BitstreamHeader(context, buf);
      break;
   default:
      break;
   }

   buffers[num_buffers] = buf->data;
   sizes[num_buffers] = buf->size;
   ++num_buffers;

   if (format == PIPE_VIDEO_FORMAT_JPEG) {
      buffers[num_buffers] = (void *const)&eoi_jpeg;
      sizes[num_buffers++] = sizeof(eoi_jpeg);
   }

   if (context->needs_begin_frame) {
      context->decoder->begin_frame(context->decoder, context->target,
         &context->desc.base);
      context->needs_begin_frame = false;
   }
   context->decoder->decode_bitstream(context->decoder, context->target, &context->desc.base,
      num_buffers, (const void * const*)buffers, sizes);
}