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h265decoder: Fix for unhandled low-delay decoding case

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Baseclass calls get_preferred_output_delay() in a chain of
sequence header parsing and then new_sequence() is called
with required DPB size (includes render-delay) information.
Thus latency query should happen before the sequence header
parsing for subclass to report required render-delay accordingly
via get_preferred_output_delay() method.
(e.g., zero delay in case of live pipeline)

This commit is to fix wrong liveness signalling in case of
upstream packetized format.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2364>
This commit is contained in:
Seungha Yang 2022-05-05 00:49:27 +09:00 committed by GStreamer Marge Bot
parent 58c94eed84
commit ad136cb2c5
1 changed files with 6 additions and 6 deletions
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12
subprojects/gst-plugins-bad/gst-libs/gst/codecs/gsth265decoder.c
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@ -1007,6 +1007,12 @@ gst_h265_decoder_set_format (GstVideoDecoder * decoder,
self->input_state = gst_video_codec_state_ref (state); self->input_state = gst_video_codec_state_ref (state);
priv->is_live = FALSE;
query = gst_query_new_latency ();
if (gst_pad_peer_query (GST_VIDEO_DECODER_SINK_PAD (self), query))
gst_query_parse_latency (query, &priv->is_live, NULL, NULL);
gst_query_unref (query);
if (state->caps) { if (state->caps) {
GstH265DecoderFormat format; GstH265DecoderFormat format;
GstH265DecoderAlign align; GstH265DecoderAlign align;
@ -1061,12 +1067,6 @@ gst_h265_decoder_set_format (GstVideoDecoder * decoder,
gst_buffer_unmap (state->codec_data, &map); gst_buffer_unmap (state->codec_data, &map);
} }
priv->is_live = FALSE;
query = gst_query_new_latency ();
if (gst_pad_peer_query (GST_VIDEO_DECODER_SINK_PAD (self), query))
gst_query_parse_latency (query, &priv->is_live, NULL, NULL);
gst_query_unref (query);
return TRUE; return TRUE;
} }