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audioaggregator: Properly propagate caps negotiation failures

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Otherwise we'll end up doing a division by zero when clipping buffers,
and might even accept buffers for which we don't know the caps.

https://bugzilla.gnome.org/show_bug.cgi?id=796951
This commit is contained in:
Sebastian Dröge 2018-08-13 14:50:09 +03:00
parent ca15315565
commit 1b6eed694c
1 changed files with 15 additions and 2 deletions
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17
gst-libs/gst/audio/gstaudioaggregator.c
View file

@ -1014,6 +1014,12 @@ gst_audio_aggregator_sink_event (GstAggregator * agg,
break;
}
if (!res) {
if (event)
gst_event_unref (event);
return res;
}
if (event != NULL)
return
GST_AGGREGATOR_CLASS (gst_audio_aggregator_parent_class)->sink_event
@ -1276,10 +1282,13 @@ gst_audio_aggregator_do_clip (GstAggregator * agg,
GstAudioAggregatorPad *pad = GST_AUDIO_AGGREGATOR_PAD (bpad);
gint rate, bpf;
rate = GST_AUDIO_INFO_RATE (&pad->info);
bpf = GST_AUDIO_INFO_BPF (&pad->info);
/* Guard against invalid audio info, we just don't clip here then */
if (!GST_AUDIO_INFO_IS_VALID (&pad->info))
return buffer;
GST_OBJECT_LOCK (bpad);
rate = GST_AUDIO_INFO_RATE (&pad->info);
bpf = GST_AUDIO_INFO_BPF (&pad->info);
buffer = gst_audio_buffer_clip (buffer, &bpad->segment, rate, bpf);
GST_OBJECT_UNLOCK (bpad);
@ -1775,6 +1784,10 @@ gst_audio_aggregator_aggregate (GstAggregator * agg, gboolean timeout)
}
GST_OBJECT_UNLOCK (pad);
continue;
} else if (!GST_AUDIO_INFO_IS_VALID (&pad->info)) {
GST_OBJECT_UNLOCK (pad);
GST_OBJECT_UNLOCK (agg);
goto not_negotiated;
}
/* New buffer? */