static int decode_and_send_const(DNxHDDecodeStreamConnect* connect, const unsigned char* buffer,
unsigned int bufferSize)
{
int finished;
/* We know that avcodec_decode_video will not modify the input data, so we can cast buffer to non-const */
avcodec_decode_video(connect->decoder->dec, connect->decoder->decFrame, &finished, (unsigned char*)buffer, bufferSize);
if (!finished)
{
ml_log_error("Failed to decode DNxHD video\n");
return 0;
}
/* reformat decoded frame */
yuv422_to_yuv422(connect->streamInfo.width, connect->streamInfo.height, 0,
connect->decoder->decFrame, connect->sinkBuffer);
/* send decoded frame to sink */
if (!msk_receive_stream_frame(connect->sink, connect->sinkStreamId, connect->sinkBuffer,
connect->sinkBufferSize))
{
ml_log_error("failed to write frame to media sink\n");
return 0;
}
return 1;
}
static int decode_and_send_const(DVDecodeStreamConnect* connect, const unsigned char* buffer,
unsigned int bufferSize)
{
int finished;
/* We know that avcodec_decode_video will not modify the input data, so we can cast buffer to non-const */
avcodec_decode_video(connect->decoder->dec, connect->decoder->decFrame, &finished, (unsigned char*)buffer, bufferSize);
if (!finished)
{
ml_log_error("error decoding DV video\n");
return 0;
}
/* reformat decoded frame */
if (connect->streamInfo.format == DV25_YUV420_FORMAT)
{
if (connect->decodedFormat == UYVY_FORMAT)
{
yuv4xx_to_uyvy(connect->streamInfo.width, connect->streamInfo.height, stream_is_pal_frame_rate(&connect->streamInfo),
connect->decoder->decFrame, connect->sinkBuffer);
}
else /* YUV420 */
{
yuv4xx_to_yuv4xx(connect->streamInfo.width, connect->streamInfo.height, stream_is_pal_frame_rate(&connect->streamInfo),
connect->decoder->decFrame, connect->sinkBuffer);
}
}
else if (connect->streamInfo.format == DV25_YUV411_FORMAT)
{
if (connect->decodedFormat == UYVY_FORMAT)
{
yuv4xx_to_uyvy(connect->streamInfo.width, connect->streamInfo.height, stream_is_pal_frame_rate(&connect->streamInfo),
connect->decoder->decFrame, connect->sinkBuffer);
}
else /* YUV411 */
{
yuv4xx_to_yuv4xx(connect->streamInfo.width, connect->streamInfo.height, stream_is_pal_frame_rate(&connect->streamInfo),
connect->decoder->decFrame, connect->sinkBuffer);
}
}
else /* DV50_FORMAT or DV100_FORMAT */
{
if (connect->decodedFormat == UYVY_FORMAT)
{
yuv422_to_uyvy(connect->streamInfo.width, connect->streamInfo.height, stream_is_pal_frame_rate(&connect->streamInfo),
connect->decoder->decFrame, connect->sinkBuffer);
}
else /* YUV422 */
{
yuv422_to_yuv422(connect->streamInfo.width, connect->streamInfo.height, stream_is_pal_frame_rate(&connect->streamInfo),
connect->decoder->decFrame, connect->sinkBuffer);
}
}
/* send decoded frame to sink */
if (!msk_receive_stream_frame(connect->sink, connect->sinkStreamId, connect->sinkBuffer,
connect->sinkBufferSize))
{
ml_log_error("failed to write frame to media sink\n");
return 0;
}
return 1;
}
