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msdkdec: Fix buffer allocation based on frame.

Browse source 
gst_msdkdec_finish_task() may release all frames in
GstVideoDecoder object. In this case, allocate_output_buffer()
cannot get the oldest frame to allocate buffer.
So gst_msdkdec_handle_frame() should return GST_FLOW_OK for
letting gst_video_decoder_decode_frame() to send a new frame
for decoding.

Fixes #664.
Fixes #665.
This commit is contained in:
Yan Wang 2019-08-21 16:44:39 +08:00 committed by Víctor Manuel Jáquez Leal
parent e4c4f193f2
commit f92b5614db
1 changed files with 5 additions and 2 deletions
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7
sys/msdk/gstmsdkdec.c
View file

@ -137,7 +137,7 @@ allocate_output_buffer (GstMsdkDec * thiz, GstBuffer ** buffer)
if (GST_PAD_IS_FLUSHING (decoder->srcpad))
return GST_FLOW_FLUSHING;
else
return GST_FLOW_ERROR;
return GST_FLOW_CUSTOM_SUCCESS;
}
if (!frame->output_buffer) {
@ -994,7 +994,10 @@ gst_msdkdec_handle_frame (GstVideoDecoder * decoder, GstVideoCodecFrame * frame)
goto error;
if (!surface) {
flow = allocate_output_buffer (thiz, &buffer);
if (flow != GST_FLOW_OK)
if (flow == GST_FLOW_CUSTOM_SUCCESS) {
flow = GST_FLOW_OK;
break;
} else if (flow != GST_FLOW_OK)
goto error;
surface = get_surface (thiz, buffer);
if (!surface) {