diff options
| author | anonymous <> | 2005-01-26 12:01:35 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2005-01-26 12:01:35 +0000 |
| commit | 0c040aacbeef506793e619771f1f173107bde259 (patch) | |
| tree | 960cc2e3bd569364eb30ea64e145d0e94cce8de2 /libavcodec/vc9.c | |
| parent | 53ffdd1434fbf0f5cc4d6c23d4907bd511863b15 (diff) | |
use dc tables from msmpeg4 instead of duplicating them patch by anonymous
Originally committed as revision 3886 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/vc9.c')
| -rw-r--r-- | libavcodec/vc9.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/libavcodec/vc9.c b/libavcodec/vc9.c index 30c8e963e1..d786802984 100644 --- a/libavcodec/vc9.c +++ b/libavcodec/vc9.c @@ -26,13 +26,14 @@ * * TODO: Norm-6 bitplane imode, most AP stuff, optimize, all of MB layer :) * TODO: use MPV_ !! - * TODO: export decode012 in bitstream.h ? */ #include "common.h" #include "dsputil.h" #include "avcodec.h" #include "mpegvideo.h" #include "vc9data.h" +extern const uint32_t ff_table0_dc_lum[120][2], ff_table1_dc_lum[120][2]; +extern const uint32_t ff_table0_dc_chroma[120][2], ff_table1_dc_chroma[120][2]; /* Some inhibiting stuff */ #define HAS_ADVANCED_PROFILE 1 @@ -139,9 +140,8 @@ static VLC vc9_cbpcy_i_vlc; static VLC vc9_cbpcy_p_vlc[4]; #define VC9_4MV_BLOCK_PATTERN_VLC_BITS 6 static VLC vc9_4mv_block_pattern_vlc[4]; -#define VC9_LUMA_DC_VLC_BITS 9 +#define VC9_DC_VLC_BITS 9 static VLC vc9_luma_dc_vlc[2]; -#define VC9_CHROMA_DC_VLC_BITS 9 static VLC vc9_chroma_dc_vlc[2]; //We mainly need data and is_raw, so this struct could be avoided @@ -345,15 +345,18 @@ static int init_common(VC9Context *v) INIT_VLC(&vc9_imode_vlc, VC9_IMODE_VLC_BITS, 7, vc9_imode_bits, 1, 1, vc9_imode_codes, 1, 1, 1); - for (i=0; i<2; i++) - { - INIT_VLC(&vc9_luma_dc_vlc[i], VC9_LUMA_DC_VLC_BITS, 26, - vc9_luma_dc_bits[i], 1, 1, - vc9_luma_dc_codes[i], 4, 4, 1); - INIT_VLC(&vc9_chroma_dc_vlc[i], VC9_CHROMA_DC_VLC_BITS, 26, - vc9_chroma_dc_bits[i], 1, 1, - vc9_chroma_dc_codes[i], 4, 4, 1); - } + INIT_VLC(&vc9_luma_dc_vlc[0], VC9_DC_VLC_BITS, 120, + &ff_table0_dc_lum[0][1], 8, 4, + &ff_table0_dc_lum[0][0], 8, 4, 1); + INIT_VLC(&vc9_chroma_dc_vlc[0], VC9_DC_VLC_BITS, 120, + &ff_table0_dc_chroma[0][1], 8, 4, + &ff_table0_dc_chroma[0][0], 8, 4, 1); + INIT_VLC(&vc9_luma_dc_vlc[1], VC9_DC_VLC_BITS, 120, + &ff_table1_dc_lum[0][1], 8, 4, + &ff_table1_dc_lum[0][0], 8, 4, 1); + INIT_VLC(&vc9_chroma_dc_vlc[1], VC9_DC_VLC_BITS, 120, + &ff_table1_dc_chroma[0][1], 8, 4, + &ff_table1_dc_chroma[0][0], 8, 4, 1); for (i=0; i<3; i++) { INIT_VLC(&vc9_ttmb_vlc[i], VC9_TTMB_VLC_BITS, 16, @@ -1373,7 +1376,7 @@ int decode_luma_intra_block(VC9Context *v, int mquant) int dcdiff; dcdiff = get_vlc2(&v->gb, v->luma_dc_vlc->table, - VC9_LUMA_DC_VLC_BITS, 2); + VC9_DC_VLC_BITS, 2); if (dcdiff) { if (dcdiff == 119 /* ESC index value */) |