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154 lines
3.3 KiB
154 lines
3.3 KiB
/* |
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* Chinese AVS video (AVS1-P2, JiZhun profile) decoder. |
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* Copyright (c) 2006 Stefan Gehrer <stefan.gehrer@gmx.de> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef CAVS_H |
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#define CAVS_H |
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#include "dsputil.h" |
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#define SLICE_MIN_START_CODE 0x00000101 |
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#define SLICE_MAX_START_CODE 0x000001af |
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#define EXT_START_CODE 0x000001b5 |
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#define USER_START_CODE 0x000001b2 |
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#define CAVS_START_CODE 0x000001b0 |
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#define PIC_I_START_CODE 0x000001b3 |
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#define PIC_PB_START_CODE 0x000001b6 |
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#define A_AVAIL 1 |
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#define B_AVAIL 2 |
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#define C_AVAIL 4 |
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#define D_AVAIL 8 |
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#define NOT_AVAIL -1 |
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#define REF_INTRA -2 |
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#define REF_DIR -3 |
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#define ESCAPE_CODE 59 |
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#define FWD0 0x01 |
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#define FWD1 0x02 |
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#define BWD0 0x04 |
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#define BWD1 0x08 |
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#define SYM0 0x10 |
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#define SYM1 0x20 |
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#define SPLITH 0x40 |
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#define SPLITV 0x80 |
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#define MV_BWD_OFFS 12 |
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#define MV_STRIDE 4 |
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enum mb_t { |
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I_8X8 = 0, |
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P_SKIP, |
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P_16X16, |
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P_16X8, |
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P_8X16, |
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P_8X8, |
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B_SKIP, |
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B_DIRECT, |
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B_FWD_16X16, |
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B_BWD_16X16, |
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B_SYM_16X16, |
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B_8X8 = 29 |
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}; |
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enum sub_mb_t { |
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B_SUB_DIRECT, |
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B_SUB_FWD, |
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B_SUB_BWD, |
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B_SUB_SYM |
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}; |
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enum intra_luma_t { |
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INTRA_L_VERT, |
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INTRA_L_HORIZ, |
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INTRA_L_LP, |
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INTRA_L_DOWN_LEFT, |
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INTRA_L_DOWN_RIGHT, |
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INTRA_L_LP_LEFT, |
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INTRA_L_LP_TOP, |
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INTRA_L_DC_128 |
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}; |
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enum intra_chroma_t { |
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INTRA_C_LP, |
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INTRA_C_HORIZ, |
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INTRA_C_VERT, |
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INTRA_C_PLANE, |
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INTRA_C_LP_LEFT, |
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INTRA_C_LP_TOP, |
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INTRA_C_DC_128, |
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}; |
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enum mv_pred_t { |
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MV_PRED_MEDIAN, |
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MV_PRED_LEFT, |
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MV_PRED_TOP, |
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MV_PRED_TOPRIGHT, |
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MV_PRED_PSKIP, |
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MV_PRED_BSKIP |
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}; |
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enum block_t { |
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BLK_16X16, |
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BLK_16X8, |
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BLK_8X16, |
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BLK_8X8 |
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}; |
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enum mv_loc_t { |
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MV_FWD_D3 = 0, |
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MV_FWD_B2, |
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MV_FWD_B3, |
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MV_FWD_C2, |
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MV_FWD_A1, |
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MV_FWD_X0, |
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MV_FWD_X1, |
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MV_FWD_A3 = 8, |
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MV_FWD_X2, |
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MV_FWD_X3, |
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MV_BWD_D3 = MV_BWD_OFFS, |
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MV_BWD_B2, |
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MV_BWD_B3, |
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MV_BWD_C2, |
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MV_BWD_A1, |
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MV_BWD_X0, |
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MV_BWD_X1, |
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MV_BWD_A3 = MV_BWD_OFFS+8, |
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MV_BWD_X2, |
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MV_BWD_X3 |
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}; |
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DECLARE_ALIGNED_8(typedef, struct) { |
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int16_t x; |
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int16_t y; |
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int16_t dist; |
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int16_t ref; |
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} vector_t; |
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typedef struct residual_vlc_t { |
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int8_t rltab[59][3]; |
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int8_t level_add[27]; |
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int8_t golomb_order; |
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int inc_limit; |
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int8_t max_run; |
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} residual_vlc_t; |
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#endif /* CAVS_H */
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