From: Benjamin Otte <otte@gnome.org>
Date: Tue, 25 Nov 2003 02:18:12 +0000 (+0000)
Subject: - disable svq3 as it still crashes and spider tries to use it.
X-Git-Tag: CAPS-ROOT~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2d2624fe49557602685a06e67753f82410943c2c;p=platform%2Fupstream%2Fgst-libav.git

- disable svq3 as it still crashes and spider tries to use it.

Original commit message from CVS:
- disable svq3 as it still crashes and spider tries to use it.
- copy buffers if necessary before sending them for decode in SVQ1 case. The decoder writes to the data.
---

diff --git a/ext/ffmpeg/gstffmpegdec.c b/ext/ffmpeg/gstffmpegdec.c
index 610dc6c..0c4cd07 100644
--- a/ext/ffmpeg/gstffmpegdec.c
+++ b/ext/ffmpeg/gstffmpegdec.c
@@ -344,6 +344,13 @@ gst_ffmpegdec_chain (GstPad    *pad,
 
     switch (oclass->in_plugin->type) {
       case CODEC_TYPE_VIDEO:
+	/* workaround:
+	   libavcodec/svq1.c:svq1_decode_frame writes to the given buffer */
+	if (oclass->in_plugin->id == CODEC_ID_SVQ1) {
+	  inbuf = gst_buffer_copy_on_write(inbuf);
+	  data = GST_BUFFER_DATA (inbuf);
+	  size = GST_BUFFER_SIZE (inbuf);
+	}
         len = avcodec_decode_video (ffmpegdec->context,
 				    ffmpegdec->picture,
 				    &have_data,
@@ -473,6 +480,7 @@ gst_ffmpegdec_register (GstPlugin *plugin)
 
     /* no quasi-codecs, please */
     if (in_plugin->id == CODEC_ID_RAWVIDEO ||
+	in_plugin->id == CODEC_ID_SVQ3 || /* segfaults */
 	(in_plugin->id >= CODEC_ID_PCM_S16LE &&
 	 in_plugin->id <= CODEC_ID_PCM_ALAW)) {
       goto next;