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dvdsubdec: use query caps instead of accept-caps

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accept-caps does only a shallow check and a full downstream
caps query is needed to check if ARGB is possible
This commit is contained in:
Thiago Santos 2016-01-08 21:40:53 -03:00
parent 9ee60482b2
commit deb1b257f4
1 changed files with 5 additions and 1 deletions
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6
gst/dvdsub/gstdvdsubdec.c
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@ -891,6 +891,7 @@ gst_dvd_sub_dec_sink_setcaps (GstPad * pad, GstCaps * caps)
GstStructure *s = gst_caps_get_structure (peer_caps, i);
/* Check if the peer pad support ARGB format, if yes change caps */
if (gst_structure_has_name (s, "video/x-raw")) {
GstCaps *downstream_caps;
gst_caps_unref (out_caps);
GST_DEBUG_OBJECT (dec, "trying with ARGB");
@ -900,12 +901,15 @@ gst_dvd_sub_dec_sink_setcaps (GstPad * pad, GstCaps * caps)
"height", G_TYPE_INT, dec->in_height,
"framerate", GST_TYPE_FRACTION, 0, 1, NULL);
if (gst_pad_peer_query_accept_caps (dec->srcpad, out_caps)) {
downstream_caps = gst_pad_peer_query_caps (dec->srcpad, NULL);
if (gst_caps_can_intersect (downstream_caps, out_caps)) {
gst_caps_unref (downstream_caps);
GST_DEBUG_OBJECT (dec, "peer accepted ARGB");
/* If ARGB format then set the flag */
dec->use_ARGB = TRUE;
break;
}
gst_caps_unref (downstream_caps);
}
}
gst_caps_unref (peer_caps);