FOURCC addition: added 3IV2, another mpeg4 id. incoming/video_3iv2/video_3iv2.avi

Originally committed as revision 14681 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/riff.c

@@ -52,6 +52,7 @@ const AVCodecTag codec_bmp_tags[] = {
     { CODEC_ID_MPEG4,        MKTAG('W', 'V', '1', 'F') },
     { CODEC_ID_MPEG4,        MKTAG('S', 'E', 'D', 'G') },
     { CODEC_ID_MPEG4,        MKTAG('R', 'M', 'P', '4') },
+    { CODEC_ID_MPEG4,        MKTAG('3', 'I', 'V', '2') },
     { CODEC_ID_MSMPEG4V3,    MKTAG('D', 'I', 'V', '3') }, /* default signature when using MSMPEG4 */
     { CODEC_ID_MSMPEG4V3,    MKTAG('M', 'P', '4', '3') },
     { CODEC_ID_MSMPEG4V3,    MKTAG('M', 'P', 'G', '3') },