DPX (Digital Picture Exchange) image decoder

patch by Jimmy Christensen, jimmy ghost dk

Originally committed as revision 19163 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/riff.c

@@ -212,6 +212,7 @@ const AVCodecTag codec_bmp_tags[] = {
     { CODEC_ID_SP5X,         MKTAG('S', 'P', '5', '4') },
     { CODEC_ID_AURA,         MKTAG('A', 'U', 'R', 'A') },
     { CODEC_ID_AURA2,        MKTAG('A', 'U', 'R', '2') },
+    { CODEC_ID_DPX,          MKTAG('d', 'p', 'x', ' ') },
     { CODEC_ID_NONE,         0 }
 };