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decodebin: try harder to always expose pads in the same order

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Use stream-id as sort criterion in addition to the media type.

https://bugzilla.gnome.org/show_bug.cgi?id=634407
This commit is contained in:
Tim-Philipp Müller 2013-01-19 13:03:03 +00:00
parent cb99c16744
commit 500b864899
1 changed files with 13 additions and 1 deletions
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14
gst/playback/gstdecodebin2.c
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@ -3471,6 +3471,8 @@ sort_end_pads (GstDecodePad * da, GstDecodePad * db)
GstCaps *capsa, *capsb;
GstStructure *sa, *sb;
const gchar *namea, *nameb;
gchar *ida, *idb;
gint ret;
capsa = get_pad_caps (GST_PAD_CAST (da));
capsb = get_pad_caps (GST_PAD_CAST (db));
@ -3506,7 +3508,17 @@ sort_end_pads (GstDecodePad * da, GstDecodePad * db)
gst_caps_unref (capsa);
gst_caps_unref (capsb);
return va - vb;
if (va != vb)
return va - vb;
/* if otherwise the same, sort by stream-id */
ida = gst_pad_get_stream_id (GST_PAD_CAST (da));
idb = gst_pad_get_stream_id (GST_PAD_CAST (db));
ret = (ida) ? ((idb) ? strcmp (ida, idb) : -1) : 1;
g_free (ida);
g_free (idb);
return ret;
}
static GstCaps *