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videodecoder: request sync-points regularly on error

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If we are not receiving a sync-point for a very long time, we need to
keep asking for them. The request-sync-point logic keeps track of how
many keyunitrequests we are allowed to send, but that would not matter
if we don't keep asking.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/930>
This commit is contained in:
Havard Graff 2021-09-27 00:53:34 +02:00 committed by GStreamer Marge Bot
parent dc30676002
commit 6d4d4edfcc
1 changed files with 7 additions and 4 deletions
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11
subprojects/gst-plugins-base/gst-libs/gst/video/gstvideodecoder.c
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@ -3921,6 +3921,9 @@ gst_video_decoder_decode_frame (GstVideoDecoder * decoder,
frame->pts = GST_BUFFER_PTS (frame->input_buffer);
frame->dts = GST_BUFFER_DTS (frame->input_buffer);
frame->duration = GST_BUFFER_DURATION (frame->input_buffer);
frame->deadline =
gst_segment_to_running_time (&decoder->input_segment, GST_FORMAT_TIME,
frame->pts);
/* For keyframes, PTS = DTS + constant_offset, usually 0 to 3 frame
* durations. */
@ -3960,6 +3963,10 @@ gst_video_decoder_decode_frame (GstVideoDecoder * decoder,
GST_WARNING_OBJECT (decoder,
"Subclass requires a sync point but we didn't receive one yet, discarding input");
GST_OBJECT_UNLOCK (decoder);
if (priv->automatic_request_sync_points) {
gst_video_decoder_request_sync_point (decoder, frame,
priv->automatic_request_sync_point_flags);
}
gst_video_decoder_release_frame (decoder, frame);
return GST_FLOW_OK;
}
@ -3992,10 +3999,6 @@ gst_video_decoder_decode_frame (GstVideoDecoder * decoder,
"possible internal leaking?", priv->frames.length);
}
frame->deadline =
gst_segment_to_running_time (&decoder->input_segment, GST_FORMAT_TIME,
frame->pts);
/* do something with frame */
ret = decoder_class->handle_frame (decoder, frame);
if (ret != GST_FLOW_OK)