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audiodecoder: Don't push out identical caps

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This avoids triggering plenty of extra code/methods/overhead downstream when
we can just quickly check whenever we want to set caps whether they are
identical or not

https://bugzilla.gnome.org/show_bug.cgi?id=706600
This commit is contained in:
Edward Hervey 2013-08-23 15:22:05 +02:00
parent 02c6766c8a
commit cd3fe60c68
1 changed files with 9 additions and 2 deletions
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11
gst-libs/gst/audio/gstaudiodecoder.c
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@ -562,9 +562,11 @@ gst_audio_decoder_negotiate_default (GstAudioDecoder * dec)
GstAudioDecoderClass *klass;
gboolean res = TRUE;
GstCaps *caps;
GstCaps *prevcaps;
GstQuery *query = NULL;
GstAllocator *allocator;
GstAllocationParams params;
gboolean set_caps = FALSE;
g_return_val_if_fail (GST_IS_AUDIO_DECODER (dec), FALSE);
g_return_val_if_fail (GST_AUDIO_INFO_IS_VALID (&dec->priv->ctx.info), FALSE);
@ -575,9 +577,14 @@ gst_audio_decoder_negotiate_default (GstAudioDecoder * dec)
GST_DEBUG_OBJECT (dec, "setting src caps %" GST_PTR_FORMAT, caps);
prevcaps = gst_pad_get_current_caps (dec->srcpad);
if (!prevcaps || !gst_caps_is_equal (prevcaps, caps))
set_caps = TRUE;
if (prevcaps)
gst_caps_unref (prevcaps);
if (dec->priv->pending_events) {
GList *pending_events, *l;
gboolean set_caps = FALSE;
pending_events = dec->priv->pending_events;
dec->priv->pending_events = NULL;
@ -596,7 +603,7 @@ gst_audio_decoder_negotiate_default (GstAudioDecoder * dec)
if (!set_caps) {
res = gst_pad_set_caps (dec->srcpad, caps);
}
} else {
} else if (!set_caps) {
res = gst_pad_set_caps (dec->srcpad, caps);
}