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msdkdec: output the decoded frame immediately if decoded order is required

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DecodedOrder was deprecated in msdk-2017 version, but some customers
still use this for low-latency streaming of non-b-frame encoded streams,
which needs to output the frame at once
This commit is contained in:
Haihao Xiang 2019-05-24 16:48:45 +08:00
parent b8946d06c7
commit 18728310c9
1 changed files with 17 additions and 0 deletions
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17
sys/msdk/gstmsdkdec.c
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@ -915,6 +915,15 @@ gst_msdkdec_handle_frame (GstVideoDecoder * decoder, GstVideoCodecFrame * frame)
bitstream.Data = map_info.data;
bitstream.DataLength = map_info.size;
bitstream.MaxLength = map_info.size;
/*
* MFX_BITSTREAM_COMPLETE_FRAME was removed since commit df59db9, however
* some customers still use DecodedOrder (deprecated in msdk-2017 version)
* for low-latency streaming of non-b-frame encoded streams, which needs to
* output the frame at once, so add it back for this case
*/
if (thiz->param.mfx.DecodedOrder == GST_MSDKDEC_OUTPUT_ORDER_DECODE)
bitstream.DataFlag |= MFX_BITSTREAM_COMPLETE_FRAME;
} else {
/* Non packetized streams: eg: vc1 advanced profile with per buffer bdu */
gst_adapter_push (thiz->adapter, gst_buffer_ref (input_buffer));
@ -1104,6 +1113,14 @@ gst_msdkdec_handle_frame (GstVideoDecoder * decoder, GstVideoCodecFrame * frame)
flow = GST_FLOW_OK;
}
/*
* DecodedOrder was deprecated in msdk-2017 version, but some
* customers still using this for low-latency streaming of non-b-frame
* encoded streams, which needs to output the frame at once
*/
if (thiz->param.mfx.DecodedOrder == GST_MSDKDEC_OUTPUT_ORDER_DECODE)
gst_msdkdec_finish_task (thiz, task);
done:
if (surface)
free_surface (thiz, surface);