add hdv1 fourcc

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@8540 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavformat/isom.c

@@ -106,6 +106,7 @@ const AVCodecTag codec_movvideo_tags[] = {
     { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') }, /* AVC-1/H.264 */
 
     { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'e', 'g') }, /* MPEG */
+    { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '1') }, /* HDV 720p30 */
     { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '2') }, /* MPEG2 produced by Sony HD camera */
     { CODEC_ID_MPEG2VIDEO, MKTAG('h', 'd', 'v', '3') }, /* HDV produced by FCP */
     { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'x', '5', 'n') }, /* MPEG2 IMX NTSC 525/60 50mb/s produced by FCP */