first pass at a new VP3 video decoder

Originally committed as revision 1831 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/Makefile

@@ -16,7 +16,8 @@ OBJS= common.o utils.o mem.o allcodecs.o \
       motion_est.o imgconvert.o imgresample.o \
       mpeg12.o mpegaudiodec.o pcm.o simple_idct.o \
       ratecontrol.o adpcm.o eval.o dv.o error_resilience.o \
-      fft.o mdct.o mace.o huffyuv.o cyuv.o opts.o raw.o h264.o golomb.o
+      fft.o mdct.o mace.o huffyuv.o cyuv.o opts.o raw.o h264.o golomb.o \
+      vp3.o
 ASM_OBJS=
 
 # codecs which are patented in some non free countries like the us

libavcodec/allcodecs.c

@@ -96,6 +96,7 @@ void avcodec_register_all(void)
     register_avcodec(&huffyuv_decoder);
     register_avcodec(&cyuv_decoder);
     register_avcodec(&h264_decoder);
+    register_avcodec(&vp3_decoder);
 #ifdef CONFIG_AC3
     register_avcodec(&ac3_decoder);
 #endif

libavcodec/avcodec.h

@@ -51,6 +51,7 @@ enum CodecID {
     CODEC_ID_CYUV,
     CODEC_ID_H264,
     CODEC_ID_INDEO3,
+    CODEC_ID_VP3,
 
     /* various pcm "codecs" */
     CODEC_ID_PCM_S16LE,
@@ -1218,6 +1219,7 @@ extern AVCodec oggvorbis_decoder;
 extern AVCodec cyuv_decoder;
 extern AVCodec h264_decoder;
 extern AVCodec indeo3_decoder;
+extern AVCodec vp3_decoder;
 
 /* pcm codecs */
 #define PCM_CODEC(id, name) \

libavformat/avienc.c

@@ -162,6 +162,7 @@ const CodecTag codec_bmp_tags[] = {
     { CODEC_ID_INDEO3, MKTAG('i', 'v', '3', '2') },
     { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
     { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
+    { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') },
     { 0, 0 },
 };
 

libavformat/mov.c

@@ -115,6 +115,7 @@ static const CodecTag mov_video_tags[] = {
     { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
     { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
 /*    { CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, *//* AVID dv */
+    { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') }, /* On2 VP3 */
     { 0, 0 },
 };