adding ffmpeg specific version

1 files changed, 208 insertions, 0 deletions

diff --git a/ffmpeg1/libavcodec/vc1data.h b/ffmpeg1/libavcodec/vc1data.h
new file mode 100644
index 0000000..eecb045
--- /dev/null
+++ b/ffmpeg1/libavcodec/vc1data.h
@@ -0,0 +1,208 @@
+/*
+ * VC-1 and WMV3 decoder
+ * copyright (c) 2006 Konstantin Shishkov
+ * (c) 2005 anonymous, Alex Beregszaszi, Michael Niedermayer
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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,
+ * 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * VC-1 tables.
+ */
+
+#ifndef AVCODEC_VC1DATA_H
+#define AVCODEC_VC1DATA_H
+
+#include <stdint.h>
+#include "libavutil/rational.h"
+#include "get_bits.h"
+
+/** Table for conversion between TTBLK and TTMB */
+extern const int ff_vc1_ttblk_to_tt[3][8];
+
+extern const int ff_vc1_ttfrm_to_tt[4];
+
+/** MV P mode - the 5th element is only used for mode 1 */
+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[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
+ */
+//@{
+#define VC1_BFRACTION_VLC_BITS 7
+extern VLC ff_vc1_bfraction_vlc;
+#define VC1_IMODE_VLC_BITS 4
+extern VLC ff_vc1_imode_vlc;
+#define VC1_NORM2_VLC_BITS 3
+extern VLC ff_vc1_norm2_vlc;
+#define VC1_NORM6_VLC_BITS 9
+extern VLC ff_vc1_norm6_vlc;
+/* Could be optimized, one table only needs 8 bits */
+#define VC1_TTMB_VLC_BITS 9 //12
+extern VLC ff_vc1_ttmb_vlc[3];
+#define VC1_MV_DIFF_VLC_BITS 9 //15
+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
+//@}
+
+
+/* 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];
+extern const uint8_t ff_vc1_bfraction_bits[23];
+extern const uint8_t ff_vc1_bfraction_codes[23];
+
+//Same as H.264
+extern const AVRational ff_vc1_pixel_aspect[16];
+
+/* BitPlane IMODE - such a small table... */
+extern const uint8_t ff_vc1_imode_codes[7];
+extern const uint8_t ff_vc1_imode_bits[7];
+
+/* Normal-2 imode */
+extern const uint8_t ff_vc1_norm2_codes[4];
+extern const uint8_t ff_vc1_norm2_bits[4];
+extern const uint16_t ff_vc1_norm6_codes[64];
+extern const uint8_t ff_vc1_norm6_bits[64];
+/* Normal-6 imode */
+extern const uint8_t ff_vc1_norm6_spec[64][5];
+
+/* 4MV Block pattern VLC tables */
+extern const uint8_t ff_vc1_4mv_block_pattern_codes[4][16];
+extern const uint8_t ff_vc1_4mv_block_pattern_bits[4][16];
+
+/* 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,
+ * 4x8:B:right  4x8:B:left  4x8:B:both
+ * 4x4:B  8x8:MB
+ * 8x4:MB:btm  8x4:MB:top  8x4,MB,both
+ * 4x8,MB,right  4x8,MB,left
+ * 4x4,MB                               */
+extern const uint16_t ff_vc1_ttmb_codes[3][16];
+
+extern const uint8_t ff_vc1_ttmb_bits[3][16];
+
+/* TTBLK (Transform Type per Block) tables */
+extern const uint8_t ff_vc1_ttblk_codes[3][8];
+extern const uint8_t ff_vc1_ttblk_bits[3][8];
+
+/* SUBBLKPAT tables, p93-94, reordered */
+extern const uint8_t ff_vc1_subblkpat_codes[3][15];
+extern const uint8_t ff_vc1_subblkpat_bits[3][15];
+
+/* MV differential tables, p265 */
+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) */
+extern const uint8_t ff_vc1_simple_progressive_4x4_zz [16];
+extern const uint8_t ff_vc1_adv_progressive_8x4_zz [32];
+extern const uint8_t ff_vc1_adv_progressive_4x8_zz [32];
+extern const uint8_t ff_vc1_adv_interlaced_8x8_zz [64];
+extern const uint8_t ff_vc1_adv_interlaced_8x4_zz [32];
+extern const uint8_t ff_vc1_adv_interlaced_4x8_zz [32];
+extern const uint8_t ff_vc1_adv_interlaced_4x4_zz [16];
+extern const uint8_t ff_vc1_intra_horz_8x8_zz [64];
+extern const uint8_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 */