X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fvc1data.h;h=79a434f06519b4be5ae1d3401910a716fe611af5;hb=b7f98659f21dce438c33b512e25fd64b8d07c347;hp=714d83a3536e8920a81a70ed541e0725210ddcda;hpb=987903826b0dba2e134be200ac94be66b4a3acf1;p=ffmpeg diff --git a/libavcodec/vc1data.h b/libavcodec/vc1data.h index 714d83a3536..79a434f0651 100644 --- a/libavcodec/vc1data.h +++ b/libavcodec/vc1data.h @@ -3,25 +3,25 @@ * copyright (c) 2006 Konstantin Shishkov * (c) 2005 anonymous, Alex Beregszaszi, Michael Niedermayer * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * FFmpeg is distributed in the hope that it will be useful, + * Libav is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** - * @file vc1data.h + * @file * VC-1 tables. */ @@ -29,8 +29,10 @@ #define AVCODEC_VC1DATA_H #include + #include "libavutil/rational.h" -#include "bitstream.h" + +#include "vlc.h" /** Table for conversion between TTBLK and TTMB */ extern const int ff_vc1_ttblk_to_tt[3][8]; @@ -41,9 +43,12 @@ extern const int ff_vc1_ttfrm_to_tt[4]; extern const uint8_t ff_vc1_mv_pmode_table[2][5]; extern const uint8_t ff_vc1_mv_pmode_table2[2][4]; -extern const int ff_vc1_fps_nr[5], ff_vc1_fps_dr[2]; +extern const int ff_vc1_fps_nr[7], ff_vc1_fps_dr[2]; extern const uint8_t ff_vc1_pquant_table[3][32]; +/* MBMODE table for interlaced frame P-picture */ +extern const uint8_t ff_vc1_mbmode_intfrp[2][15][4]; + /** @name VC-1 VLC tables and defines * @todo TODO move this into the context */ @@ -63,31 +68,38 @@ extern VLC ff_vc1_ttmb_vlc[3]; extern VLC ff_vc1_mv_diff_vlc[4]; #define VC1_CBPCY_P_VLC_BITS 9 //14 extern VLC ff_vc1_cbpcy_p_vlc[4]; +#define VC1_ICBPCY_VLC_BITS 9 +extern VLC ff_vc1_icbpcy_vlc[8]; #define VC1_4MV_BLOCK_PATTERN_VLC_BITS 6 extern VLC ff_vc1_4mv_block_pattern_vlc[4]; +#define VC1_2MV_BLOCK_PATTERN_VLC_BITS 3 +extern VLC ff_vc1_2mv_block_pattern_vlc[4]; #define VC1_TTBLK_VLC_BITS 5 extern VLC ff_vc1_ttblk_vlc[3]; #define VC1_SUBBLKPAT_VLC_BITS 6 extern VLC ff_vc1_subblkpat_vlc[3]; +#define VC1_INTFR_4MV_MBMODE_VLC_BITS 9 +extern VLC ff_vc1_intfr_4mv_mbmode_vlc[4]; +#define VC1_INTFR_NON4MV_MBMODE_VLC_BITS 6 +extern VLC ff_vc1_intfr_non4mv_mbmode_vlc[4]; +#define VC1_IF_MMV_MBMODE_VLC_BITS 5 +extern VLC ff_vc1_if_mmv_mbmode_vlc[8]; +#define VC1_IF_1MV_MBMODE_VLC_BITS 5 +extern VLC ff_vc1_if_1mv_mbmode_vlc[8]; +#define VC1_1REF_MVDATA_VLC_BITS 9 +extern VLC ff_vc1_1ref_mvdata_vlc[4]; +#define VC1_2REF_MVDATA_VLC_BITS 9 +extern VLC ff_vc1_2ref_mvdata_vlc[8]; extern VLC ff_vc1_ac_coeff_table[8]; -//@} +#define VC1_IF_MBMODE_VLC_BITS 5 +//@} -#if 0 //original bfraction from vc9data.h, not conforming to standard -/* Denominator used for ff_vc1_bfraction_lut */ -#define B_FRACTION_DEN 840 - -/* bfraction is fractional, we scale to the GCD 3*5*7*8 = 840 */ -extern const int16_t ff_vc1_bfraction_lut[23]; -#else -/* Denominator used for ff_vc1_bfraction_lut */ #define B_FRACTION_DEN 256 /* pre-computed scales for all bfractions and base=256 */ extern const int16_t ff_vc1_bfraction_lut[23]; -#endif - extern const uint8_t ff_vc1_bfraction_bits[23]; extern const uint8_t ff_vc1_bfraction_codes[23]; @@ -110,12 +122,20 @@ extern const uint8_t ff_vc1_norm6_spec[64][5]; extern const uint8_t ff_vc1_4mv_block_pattern_codes[4][16]; extern const uint8_t ff_vc1_4mv_block_pattern_bits[4][16]; -extern const uint8_t wmv3_dc_scale_table[32]; +/* 2MV Block pattern VLC tables */ +extern const uint8_t ff_vc1_2mv_block_pattern_codes[4][4]; +extern const uint8_t ff_vc1_2mv_block_pattern_bits[4][4]; + +extern const uint8_t ff_wmv3_dc_scale_table[32]; /* P-Picture CBPCY VLC tables */ extern const uint16_t ff_vc1_cbpcy_p_codes[4][64]; extern const uint8_t ff_vc1_cbpcy_p_bits[4][64]; +/* Interlaced CBPCY VLC tables (Table 124 - Table 131) */ +extern const uint16_t ff_vc1_icbpcy_p_codes[8][63]; +extern const uint8_t ff_vc1_icbpcy_p_bits[8][63]; + /* MacroBlock Transform Type: 7.1.3.11, p89 * 8x8:B * 8x4:B:btm 8x4:B:top 8x4:B:both, @@ -140,6 +160,26 @@ extern const uint8_t ff_vc1_subblkpat_bits[3][15]; extern const uint16_t ff_vc1_mv_diff_codes[4][73]; extern const uint8_t ff_vc1_mv_diff_bits[4][73]; +/* Interlaced frame picture MBMODE VLC tables (p. 246, p. 360) */ +extern const uint16_t ff_vc1_intfr_4mv_mbmode_codes[4][15]; +extern const uint8_t ff_vc1_intfr_4mv_mbmode_bits[4][15]; +extern const uint8_t ff_vc1_intfr_non4mv_mbmode_codes[4][9]; +extern const uint8_t ff_vc1_intfr_non4mv_mbmode_bits[4][9]; + +/* Interlaced field picture MBMODE VLC tables (p. 356 - 11.4.1, 11.4.2) */ +extern const uint8_t ff_vc1_if_mmv_mbmode_codes[8][8]; +extern const uint8_t ff_vc1_if_mmv_mbmode_bits[8][8]; +extern const uint8_t ff_vc1_if_1mv_mbmode_codes[8][6]; +extern const uint8_t ff_vc1_if_1mv_mbmode_bits[8][6]; + +/* Interlaced frame/field picture MVDATA VLC tables */ +/* 1-reference tables */ +extern const uint32_t ff_vc1_1ref_mvdata_codes[4][72]; +extern const uint8_t ff_vc1_1ref_mvdata_bits[4][72]; +/* 2-reference tables */ +extern const uint32_t ff_vc1_2ref_mvdata_codes[8][126]; +extern const uint8_t ff_vc1_2ref_mvdata_bits[8][126]; + /* DC differentials low+hi-mo, p217 are the same as in msmpeg4data .h */ /* Scantables/ZZ scan are at 11.9 (p262) and 8.1.1.12 (p10) */ @@ -150,8 +190,19 @@ extern const int8_t ff_vc1_adv_interlaced_8x8_zz [64]; extern const int8_t ff_vc1_adv_interlaced_8x4_zz [32]; extern const int8_t ff_vc1_adv_interlaced_4x8_zz [32]; extern const int8_t ff_vc1_adv_interlaced_4x4_zz [16]; +extern const int8_t ff_vc1_intra_horz_8x8_zz [64]; +extern const int8_t ff_vc1_intra_vert_8x8_zz [64]; /* DQScale as specified in 8.1.3.9 - almost identical to 0x40000/i */ extern const int32_t ff_vc1_dqscale[63]; +/* P Interlaced field picture MV predictor scaling values (Table 114) */ +extern const uint16_t ff_vc1_field_mvpred_scales[2][7][4]; +/* B Interlaced field picture backward MV predictor scaling values for first field (Table 115) */ +extern const uint16_t ff_vc1_b_field_mvpred_scales[7][4]; + +#define AC_MODES 8 + +extern const int ff_vc1_ac_sizes[AC_MODES]; + #endif /* AVCODEC_VC1DATA_H */