first pass at a VQA video decoder

Originally committed as revision 2332 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/Makefile

@@ -18,7 +18,7 @@ OBJS= common.o utils.o mem.o allcodecs.o \
       fft.o mdct.o mace.o huffyuv.o cyuv.o opts.o raw.o h264.o golomb.o \
       vp3.o asv1.o 4xm.o cabac.o ffv1.o ra144.o ra288.o vcr1.o cljr.o \
       roqvideo.o dpcm.o interplayvideo.o xan.o rpza.o cinepak.o msrle.o \
-      msvideo1.o
+      msvideo1.o vqavideo.o
 
 ifeq ($(AMR_NB),yes)
 ifeq ($(AMR_NB_FIXED),yes)

libavcodec/allcodecs.c

@@ -127,6 +127,7 @@ void avcodec_register_all(void)
     register_avcodec(&cinepak_decoder);
     register_avcodec(&msrle_decoder);
     register_avcodec(&msvideo1_decoder);
+    register_avcodec(&vqa_decoder);
 #ifdef CONFIG_AC3
     register_avcodec(&ac3_decoder);
 #endif

libavcodec/avcodec.h

@@ -1432,6 +1432,7 @@ extern AVCodec rpza_decoder;
 extern AVCodec cinepak_decoder;
 extern AVCodec msrle_decoder;
 extern AVCodec msvideo1_decoder;
+extern AVCodec vqa_decoder;
 extern AVCodec ra_144_decoder;
 extern AVCodec ra_288_decoder;
 extern AVCodec roq_dpcm_decoder;