C++ (Cpp) u_get_h264_level 예제들

예제 #1

파일: picture.c 프로젝트: Kalamatee/mesa

static VAStatus
handlePictureParameterBuffer(vlVaDriver *drv, vlVaContext *context, vlVaBuffer *buf)
{
   VAStatus vaStatus = VA_STATUS_SUCCESS;

   switch (u_reduce_video_profile(context->templat.profile)) {
   case PIPE_VIDEO_FORMAT_MPEG12:
      vlVaHandlePictureParameterBufferMPEG12(drv, context, buf);
      break;

   case PIPE_VIDEO_FORMAT_MPEG4_AVC:
      vlVaHandlePictureParameterBufferH264(drv, context, buf);
      break;

   case PIPE_VIDEO_FORMAT_VC1:
      vlVaHandlePictureParameterBufferVC1(drv, context, buf);
      break;

   case PIPE_VIDEO_FORMAT_MPEG4:
      vlVaHandlePictureParameterBufferMPEG4(drv, context, buf);
      break;

  case PIPE_VIDEO_FORMAT_HEVC:
      vlVaHandlePictureParameterBufferHEVC(drv, context, buf);
      break;

   default:
      break;
   }

   /* Create the decoder once max_references is known. */
   if (!context->decoder) {
      if (!context->target)
         return VA_STATUS_ERROR_INVALID_CONTEXT;

      if (context->templat.max_references == 0)
         return VA_STATUS_ERROR_INVALID_BUFFER;

      if (u_reduce_video_profile(context->templat.profile) ==
          PIPE_VIDEO_FORMAT_MPEG4_AVC)
         context->templat.level = u_get_h264_level(context->templat.width,
            context->templat.height, &context->templat.max_references);

      context->decoder = drv->pipe->create_video_codec(drv->pipe,
         &context->templat);

      if (!context->decoder)
         return VA_STATUS_ERROR_ALLOCATION_FAILED;

      context->decoder->begin_frame(context->decoder, context->target,
         &context->desc.base);
   }

   return vaStatus;
}

예제 #2

파일: decode.c 프로젝트: ashmew2/kolibriosSVN

/**
 * Create a VdpDecoder.
 */
VdpStatus
vlVdpDecoderCreate(VdpDevice device,
                   VdpDecoderProfile profile,
                   uint32_t width, uint32_t height,
                   uint32_t max_references,
                   VdpDecoder *decoder)
{
   struct pipe_video_codec templat = {};
   struct pipe_context *pipe;
   struct pipe_screen *screen;
   vlVdpDevice *dev;
   vlVdpDecoder *vldecoder;
   VdpStatus ret;
   bool supported;
   uint32_t maxwidth, maxheight;

   if (!decoder)
      return VDP_STATUS_INVALID_POINTER;
   *decoder = 0;

   if (!(width && height))
      return VDP_STATUS_INVALID_VALUE;

   templat.profile = ProfileToPipe(profile);
   if (templat.profile == PIPE_VIDEO_PROFILE_UNKNOWN)
      return VDP_STATUS_INVALID_DECODER_PROFILE;

   dev = vlGetDataHTAB(device);
   if (!dev)
      return VDP_STATUS_INVALID_HANDLE;

   pipe = dev->context;
   screen = dev->vscreen->pscreen;

   pipe_mutex_lock(dev->mutex);

   supported = screen->get_video_param
   (
      screen,
      templat.profile,
      PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
      PIPE_VIDEO_CAP_SUPPORTED
   );
   if (!supported) {
      pipe_mutex_unlock(dev->mutex);
      return VDP_STATUS_INVALID_DECODER_PROFILE;
   }

   maxwidth = screen->get_video_param
   (
      screen,
      templat.profile,
      PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
      PIPE_VIDEO_CAP_MAX_WIDTH
   );
   maxheight = screen->get_video_param
   (
      screen,
      templat.profile,
      PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
      PIPE_VIDEO_CAP_MAX_HEIGHT
   );
   if (width > maxwidth || height > maxheight) {
      pipe_mutex_unlock(dev->mutex);
      return VDP_STATUS_INVALID_SIZE;
   }

   vldecoder = CALLOC(1,sizeof(vlVdpDecoder));
   if (!vldecoder) {
      pipe_mutex_unlock(dev->mutex);
      return VDP_STATUS_RESOURCES;
   }

   DeviceReference(&vldecoder->device, dev);

   templat.entrypoint = PIPE_VIDEO_ENTRYPOINT_BITSTREAM;
   templat.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420;
   templat.width = width;
   templat.height = height;
   templat.max_references = max_references;

   if (u_reduce_video_profile(templat.profile) ==
       PIPE_VIDEO_FORMAT_MPEG4_AVC)
      templat.level = u_get_h264_level(templat.width, templat.height,
                            &templat.max_references);

   vldecoder->decoder = pipe->create_video_codec(pipe, &templat);

   if (!vldecoder->decoder) {
      ret = VDP_STATUS_ERROR;
      goto error_decoder;
   }

   *decoder = vlAddDataHTAB(vldecoder);
   if (*decoder == 0) {
      ret = VDP_STATUS_ERROR;
      goto error_handle;
   }

   pipe_mutex_init(vldecoder->mutex);
   pipe_mutex_unlock(dev->mutex);

   return VDP_STATUS_OK;

error_handle:
   vldecoder->decoder->destroy(vldecoder->decoder);

error_decoder:
   pipe_mutex_unlock(dev->mutex);
   DeviceReference(&vldecoder->device, NULL);
   FREE(vldecoder);
   return ret;
}