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audioaggregator: Only check downstream caps when handling CAPS events if we didn't negotiate with downstream yet

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If we already negotiated with downstream there is not point in checking
if the caps are supported. We already know that this is the case.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/768>
This commit is contained in:
Sebastian Dröge 2020-07-27 18:55:35 +03:00
parent 607dc1d135
commit f5a02639e1
1 changed files with 23 additions and 21 deletions
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38
gst-libs/gst/audio/gstaudioaggregator.c
View file

@ -869,20 +869,9 @@ gst_audio_aggregator_sink_setcaps (GstAudioAggregatorPad * aaggpad,
{
GstAudioAggregatorPad *first_configured_pad =
gst_audio_aggregator_get_first_configured_pad (agg);
GstCaps *downstream_caps = gst_pad_get_allowed_caps (agg->srcpad);
GstCaps *rate_caps;
GstAudioInfo info;
gboolean ret = TRUE;
gboolean downstream_supports_rate;
/* Returns NULL if there is no downstream peer */
if (!downstream_caps)
downstream_caps = gst_pad_get_pad_template_caps (agg->srcpad);
if (gst_caps_is_empty (downstream_caps)) {
ret = FALSE;
goto done;
}
gboolean downstream_supports_rate = TRUE;
if (!gst_audio_info_from_caps (&info, caps)) {
GST_WARNING_OBJECT (agg, "Rejecting invalid caps: %" GST_PTR_FORMAT, caps);
@ -893,11 +882,28 @@ gst_audio_aggregator_sink_setcaps (GstAudioAggregatorPad * aaggpad,
* because offsets will have to be updated, and audio resampling
* has a latency to take into account
*/
rate_caps =
gst_caps_new_simple ("audio/x-raw", "rate", G_TYPE_INT, info.rate, NULL);
/* Only check against the downstream caps if we didn't configure any caps
* so far. Otherwise we already know that downstream supports the rate
* because we negotiated with downstream */
if (!first_configured_pad) {
GstCaps *downstream_caps = gst_pad_get_allowed_caps (agg->srcpad);
/* Returns NULL if there is no downstream peer */
if (downstream_caps) {
GstCaps *rate_caps =
gst_caps_new_simple ("audio/x-raw", "rate", G_TYPE_INT, info.rate,
NULL);
gst_caps_set_features_simple (rate_caps,
gst_caps_features_copy (GST_CAPS_FEATURES_ANY));
downstream_supports_rate =
gst_caps_can_intersect (rate_caps, downstream_caps);
gst_caps_unref (rate_caps);
gst_caps_unref (downstream_caps);
}
}
if (!downstream_supports_rate || (first_configured_pad
&& info.rate != first_configured_pad->info.rate)) {
@ -913,13 +919,9 @@ gst_audio_aggregator_sink_setcaps (GstAudioAggregatorPad * aaggpad,
GST_OBJECT_UNLOCK (aaggpad);
}
done:
if (first_configured_pad)
gst_object_unref (first_configured_pad);
if (downstream_caps)
gst_caps_unref (downstream_caps);
return ret;
}