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author | Kostya Shishkov <kostya.shishkov@gmail.com> | 2007-05-06 10:58:32 +0000 |
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committer | Kostya Shishkov <kostya.shishkov@gmail.com> | 2007-05-06 10:58:32 +0000 |
commit | 22c3029da1a742cd449347008db8dc9340805c91 (patch) | |
tree | 3279068cd3399046f2cff604a164d104cf6e4552 /libavcodec/vc1data.h | |
parent | 6e4bc6ee1978452cc5d06ea55e07834ff7f7ab8f (diff) | |
download | ffmpeg-22c3029da1a742cd449347008db8dc9340805c91.tar.gz |
Move variables to vc1data.h
Originally committed as revision 8913 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/vc1data.h')
-rw-r--r-- | libavcodec/vc1data.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/libavcodec/vc1data.h b/libavcodec/vc1data.h index 9b0a854bfe..fde7350758 100644 --- a/libavcodec/vc1data.h +++ b/libavcodec/vc1data.h @@ -28,6 +28,72 @@ #ifndef VC1DATA_H #define VC1DATA_H +/** Table for conversion between TTBLK and TTMB */ +static const int ttblk_to_tt[3][8] = { + { TT_8X4, TT_4X8, TT_8X8, TT_4X4, TT_8X4_TOP, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT }, + { TT_8X8, TT_4X8_RIGHT, TT_4X8_LEFT, TT_4X4, TT_8X4, TT_4X8, TT_8X4_BOTTOM, TT_8X4_TOP }, + { TT_8X8, TT_4X8, TT_4X4, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT, TT_8X4, TT_8X4_TOP } +}; + +static const int ttfrm_to_tt[4] = { TT_8X8, TT_8X4, TT_4X8, TT_4X4 }; + +/** MV P mode - the 5th element is only used for mode 1 */ +static const uint8_t mv_pmode_table[2][5] = { + { MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_MIXED_MV }, + { MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_1MV_HPEL_BILIN } +}; +static const uint8_t mv_pmode_table2[2][4] = { + { MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_MIXED_MV }, + { MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_1MV_HPEL_BILIN } +}; + +static const int fps_nr[5] = { 24, 25, 30, 50, 60 }, + fps_dr[2] = { 1000, 1001 }; +static const uint8_t pquant_table[3][32] = { + { /* Implicit quantizer */ + 0, 1, 2, 3, 4, 5, 6, 7, 8, 6, 7, 8, 9, 10, 11, 12, + 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 29, 31 + }, + { /* Explicit quantizer, pquantizer uniform */ + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 + }, + { /* Explicit quantizer, pquantizer non-uniform */ + 0, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, + 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 29, 31 + } +}; + +/** @name VC-1 VLC tables and defines + * @todo TODO move this into the context + */ +//@{ +#define VC1_BFRACTION_VLC_BITS 7 +static VLC vc1_bfraction_vlc; +#define VC1_IMODE_VLC_BITS 4 +static VLC vc1_imode_vlc; +#define VC1_NORM2_VLC_BITS 3 +static VLC vc1_norm2_vlc; +#define VC1_NORM6_VLC_BITS 9 +static VLC vc1_norm6_vlc; +/* Could be optimized, one table only needs 8 bits */ +#define VC1_TTMB_VLC_BITS 9 //12 +static VLC vc1_ttmb_vlc[3]; +#define VC1_MV_DIFF_VLC_BITS 9 //15 +static VLC vc1_mv_diff_vlc[4]; +#define VC1_CBPCY_P_VLC_BITS 9 //14 +static VLC vc1_cbpcy_p_vlc[4]; +#define VC1_4MV_BLOCK_PATTERN_VLC_BITS 6 +static VLC vc1_4mv_block_pattern_vlc[4]; +#define VC1_TTBLK_VLC_BITS 5 +static VLC vc1_ttblk_vlc[3]; +#define VC1_SUBBLKPAT_VLC_BITS 6 +static VLC vc1_subblkpat_vlc[3]; + +static VLC vc1_ac_coeff_table[8]; +//@} + + #if 0 //original bfraction from vc9data.h, not conforming to standard /* Denominator used for vc1_bfraction_lut */ #define B_FRACTION_DEN 840 |