utvideodec: Support UQY2

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

libavcodec/utvideo.c

@@ -39,3 +39,9 @@ int ff_ut_huff_cmp_len(const void *a, const void *b)
     const HuffEntry *aa = a, *bb = b;
     return (aa->len - bb->len)*256 + aa->sym - bb->sym;
 }
+
+int ff_ut10_huff_cmp_len(const void *a, const void *b)
+{
+    const HuffEntry *aa = a, *bb = b;
+    return (aa->len - bb->len) * 1024 + aa->sym - bb->sym;
+}

libavcodec/utvideo.h

@@ -76,6 +76,7 @@ typedef struct UtvideoContext {
     int      compression;
     int      interlaced;
     int      frame_pred;
+    int      pro;
 
     ptrdiff_t slice_stride;
     uint8_t *slice_bits, *slice_buffer[4];
@@ -83,12 +84,13 @@ typedef struct UtvideoContext {
 } UtvideoContext;
 
 typedef struct HuffEntry {
-    uint8_t  sym;
+    uint16_t sym;
     uint8_t  len;
     uint32_t code;
 } HuffEntry;
 
 /* Compare huffman tree nodes */
 int ff_ut_huff_cmp_len(const void *a, const void *b);
+int ff_ut10_huff_cmp_len(const void *a, const void *b);
 
 #endif /* AVCODEC_UTVIDEO_H */

libavformat/riff.c

@@ -342,6 +342,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
     { AV_CODEC_ID_UTVIDEO,      MKTAG('U', 'L', 'Y', '2') },
     { AV_CODEC_ID_UTVIDEO,      MKTAG('U', 'L', 'H', '0') },
     { AV_CODEC_ID_UTVIDEO,      MKTAG('U', 'L', 'H', '2') },
+    { AV_CODEC_ID_UTVIDEO,      MKTAG('U', 'Q', 'Y', '2') },
     { AV_CODEC_ID_VBLE,         MKTAG('V', 'B', 'L', 'E') },
     { AV_CODEC_ID_ESCAPE130,    MKTAG('E', '1', '3', '0') },
     { AV_CODEC_ID_DXTORY,       MKTAG('x', 't', 'o', 'r') },