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ffmpeg: Don't add sink pad template to the muxers when not needed.

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If the set of caps for either audio or video is completely empty, skip
adding that pad template to the class. Some muxers only support audio-only
or video-only and otherwise end up with EMPTY caps in the pad template.
This commit is contained in:
Jan Schmidt 2009-05-15 15:48:35 +01:00
parent ff2f62ac8a
commit 81e91e54c1
1 changed files with 4 additions and 0 deletions
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4
ext/ffmpeg/gstffmpegmux.c
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@ -719,6 +719,10 @@ gst_ffmpegmux_get_id_caps (enum CodecID * id_list)
if ((t = gst_ffmpeg_codecid_to_caps (id_list[i], NULL, TRUE)))
gst_caps_append (caps, t);
}
if (gst_caps_is_empty (caps)) {
gst_caps_unref (caps);
return NULL;
}
return caps;
}