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playsinkconvertbin: implement accept-caps handler

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The default one will just go through the internal elements which might
just be identity when it is in passthrough which will lead to the query
being handled by the downstream sink, ignoring all that playsinkconvertbin
could actually handle and convert.

https://bugzilla.gnome.org/show_bug.cgi?id=754235
This commit is contained in:
Thiago Santos 2015-08-28 09:36:15 -03:00
parent c95d809a96
commit 76d26a60bd
1 changed files with 47 additions and 0 deletions
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47
gst/playback/gstplaysinkconvertbin.c
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@ -350,6 +350,42 @@ gst_play_sink_convert_bin_sink_setcaps (GstPlaySinkConvertBin * self,
} \
} G_STMT_END
static gboolean
gst_play_sink_convert_bin_acceptcaps (GstPad * pad, GstCaps * caps)
{
GstPlaySinkConvertBin *self =
GST_PLAY_SINK_CONVERT_BIN (gst_pad_get_parent (pad));
gboolean ret;
GstPad *otherpad;
GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
if (pad == self->srcpad) {
otherpad = self->sinkpad;
} else if (pad == self->sinkpad) {
otherpad = self->srcpad;
} else {
GST_ERROR_OBJECT (pad, "Not one of our pads");
otherpad = NULL;
}
if (otherpad) {
ret = gst_pad_peer_query_accept_caps (otherpad, caps);
if (!ret && self->converter_caps) {
/* maybe we can convert */
ret = gst_caps_can_intersect (caps, self->converter_caps);
}
} else {
ret = TRUE;
}
GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);
gst_object_unref (self);
GST_DEBUG_OBJECT (pad, "Accept caps: '%" GST_PTR_FORMAT "' %d", caps, ret);
return ret;
}
static GstCaps *
gst_play_sink_convert_bin_getcaps (GstPad * pad, GstCaps * filter)
{
@ -474,6 +510,17 @@ gst_play_sink_convert_bin_query (GstPad * pad, GstObject * parent,
res = TRUE;
break;
}
case GST_QUERY_ACCEPT_CAPS:
{
gboolean ret;
GstCaps *caps;
gst_query_parse_accept_caps (query, &caps);
ret = gst_play_sink_convert_bin_acceptcaps (pad, caps);
gst_query_set_accept_caps_result (query, ret);
res = TRUE;
break;
}
default:
res = gst_pad_query_default (pad, parent, query);
break;