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audioaggregator: Split getcaps() function into two

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One for convert pads and one for normal sink pads.
This commit is contained in:
Sebastian Dröge 2019-07-18 08:46:42 +03:00
parent 5ebf6c2fac
commit 1ec1123178
1 changed files with 66 additions and 46 deletions
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112
gst-libs/gst/audio/gstaudioaggregator.c
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@ -724,57 +724,70 @@ gst_audio_aggregator_sink_getcaps (GstPad * pad, GstAggregator * agg,
sink_template_caps);
GST_DEBUG_OBJECT (pad, "downstream caps %" GST_PTR_FORMAT, downstream_caps);
if (!GST_IS_AUDIO_AGGREGATOR_CONVERT_PAD (pad)) {
/* If we already have a configured pad, assume that we can only configure
* to the very same format filtered with the template caps and continue
* with the result of that as the template caps */
/* If we already have a configured pad, assume that we can only configure
* to the very same format filtered with the template caps and continue
* with the result of that as the template caps */
if (first_configured_pad) {
GstCaps *first_configured_caps =
gst_audio_info_to_caps (&first_configured_pad->info);
GstCaps *tmp;
tmp =
gst_caps_intersect_full (sink_template_caps, first_configured_caps,
GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (first_configured_caps);
gst_caps_unref (sink_template_caps);
sink_template_caps = tmp;
gst_object_unref (first_configured_pad);
}
/* If we have downstream caps, filter them against our template caps or
* the filtered first configured pad caps from above */
if (downstream_caps) {
sink_caps =
gst_caps_intersect_full (sink_template_caps, downstream_caps,
GST_CAPS_INTERSECT_FIRST);
} else {
sink_caps = gst_caps_ref (sink_template_caps);
}
if (filter) {
GstCaps *tmp = gst_caps_intersect_full (sink_caps, filter,
GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (sink_caps);
sink_caps = tmp;
}
if (first_configured_pad) {
GstCaps *first_configured_caps =
gst_audio_info_to_caps (&first_configured_pad->info);
GstCaps *tmp;
tmp =
gst_caps_intersect_full (sink_template_caps, first_configured_caps,
GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (first_configured_caps);
gst_caps_unref (sink_template_caps);
sink_template_caps = tmp;
if (downstream_caps)
gst_caps_unref (downstream_caps);
GST_INFO_OBJECT (pad, "returned sink caps : %" GST_PTR_FORMAT, sink_caps);
return sink_caps;
gst_object_unref (first_configured_pad);
}
/* Else we have a GstAudioAggregatorConvertPad and convert between all
* formats except for the sample rate, which has to match.
*/
/* If we have downstream caps, filter them against our template caps or
* the filtered first configured pad caps from above */
if (downstream_caps) {
sink_caps =
gst_caps_intersect_full (sink_template_caps, downstream_caps,
GST_CAPS_INTERSECT_FIRST);
} else {
sink_caps = gst_caps_ref (sink_template_caps);
}
if (filter) {
GstCaps *tmp = gst_caps_intersect_full (sink_caps, filter,
GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (sink_caps);
sink_caps = tmp;
}
gst_caps_unref (sink_template_caps);
if (downstream_caps)
gst_caps_unref (downstream_caps);
GST_INFO_OBJECT (pad, "returned sink caps : %" GST_PTR_FORMAT, sink_caps);
return sink_caps;
}
static GstCaps *
gst_audio_aggregator_convert_sink_getcaps (GstPad * pad, GstAggregator * agg,
GstCaps * filter)
{
GstAudioAggregatorPad *first_configured_pad =
gst_audio_aggregator_get_first_configured_pad (agg);
GstCaps *sink_template_caps = gst_pad_get_pad_template_caps (pad);
GstCaps *downstream_caps = gst_pad_get_allowed_caps (agg->srcpad);
GstCaps *sink_caps;
GST_INFO_OBJECT (pad, "Getting caps with filter %" GST_PTR_FORMAT, filter);
GST_DEBUG_OBJECT (pad, "sink template caps : %" GST_PTR_FORMAT,
sink_template_caps);
GST_DEBUG_OBJECT (pad, "downstream caps %" GST_PTR_FORMAT, downstream_caps);
/* We can convert between all formats except for the sample rate, which has
* to match. */
/* If we have a first configured pad, we can only convert everything except
* for the sample rate, so modify our template caps to have exactly that
@ -1237,7 +1250,14 @@ gst_audio_aggregator_sink_query (GstAggregator * agg, GstAggregatorPad * aggpad,
GstCaps *filter, *caps;
gst_query_parse_caps (query, &filter);
caps = gst_audio_aggregator_sink_getcaps (GST_PAD (aggpad), agg, filter);
if (GST_IS_AUDIO_AGGREGATOR_CONVERT_PAD (aggpad)) {
caps =
gst_audio_aggregator_convert_sink_getcaps (GST_PAD (aggpad), agg,
filter);
} else {
caps =
gst_audio_aggregator_sink_getcaps (GST_PAD (aggpad), agg, filter);
}
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
res = TRUE;