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v4l2videodec: Fixes three H.264/HEVC ITU conformance tests

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Postpone the cleanup of any consecutive sequence of lost frames
which starts at frame 0, until frame 100 is dequeued from driver.

This allows fluster tests JVT/CVWP2_TOSHIBA_E, JVC/CVWP3_TOSHIBA_E
and HEVC/POC_A_Bossen_3 that sends out-of-order frames to successfully
complete  (e.g., test of Amphion vpu driver).

Fixes #1569

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3398>
This commit is contained in:
F. Duncanh 2022-11-13 19:19:41 -05:00 committed by GStreamer Marge Bot
parent d815035e82
commit d77fe9495a
1 changed files with 30 additions and 30 deletions
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34
subprojects/gst-plugins-good/sys/v4l2/gstv4l2videodec.c
View file

@ -675,11 +675,9 @@ gst_v4l2_video_dec_loop (GstVideoDecoder * decoder)
GstVideoCodecFrame *frame;
GstBuffer *buffer = NULL;
GstFlowReturn ret;
gint capture_configuration_change;
GST_VIDEO_DECODER_STREAM_LOCK (decoder);
if ((capture_configuration_change =
g_atomic_int_get (&self->capture_configuration_change))) {
if (g_atomic_int_get (&self->capture_configuration_change)) {
gst_v4l2_object_stop (self->v4l2capture);
ret = gst_v4l2_video_dec_setup_capture (decoder);
if (ret != GST_FLOW_OK) {
@ -761,6 +759,7 @@ gst_v4l2_video_dec_loop (GstVideoDecoder * decoder)
while ((oldest_frame = gst_video_decoder_get_oldest_frame (decoder)) &&
check_system_frame_number_too_old (frame->system_frame_number,
oldest_frame->system_frame_number)) {
if (oldest_frame->system_frame_number > 0) {
gst_video_decoder_drop_frame (decoder, oldest_frame);
oldest_frame = NULL;
@ -769,28 +768,29 @@ gst_v4l2_video_dec_loop (GstVideoDecoder * decoder)
GST_ELEMENT_NAME (decoder));
warned = TRUE;
}
}
/* If the initial frame triggered a Caps renegotiation, but with no actual change in
* resolution, already-correctly-decoded frames may incorrectly be dropped by the driver.
* This has been observed to occur in at least one driver. These frames will never dequeue.
* As a workaround, drop all pending frames older than the current frame now. */
if (capture_configuration_change && oldest_frame
&& oldest_frame->system_frame_number == 0
&& frame->system_frame_number) {
gint counter = 0;
} else {
/* special treatment when oldest_frame->system_frame_number = 0:
* if a consecutive sequence 0, 1, 2,..., n < frame->system_frame_number
* is pending, drop them all at this time. (This has been seen to occur
* as a driver bug when the initial frame triggered a Caps re-negotiation,
* and the driver dropped these frames) */
guint32 counter = 0;
while (oldest_frame) {
counter++;
gst_video_decoder_drop_frame (decoder, oldest_frame);
counter++;
oldest_frame = gst_video_decoder_get_oldest_frame (decoder);
if (oldest_frame->system_frame_number == frame->system_frame_number) {
if (oldest_frame &&
(oldest_frame->system_frame_number > counter ||
oldest_frame->system_frame_number >=
frame->system_frame_number)) {
gst_video_codec_frame_unref (oldest_frame);
oldest_frame = NULL;
}
}
g_warning
("%s: %i initial frames before frame %u were not dequeued: bug in decoder -- please file a bug",
GST_ELEMENT_NAME (decoder), counter, frame->system_frame_number);
("%s: %i initial frames were not dequeued: bug in decoder -- please file a bug",
GST_ELEMENT_NAME (decoder), counter);
}
}
if (oldest_frame)
gst_video_codec_frame_unref (oldest_frame);