yading@10: /* yading@10: * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder yading@10: * Copyright (c) 2003 Michael Niedermayer yading@10: * yading@10: * This file is part of FFmpeg. yading@10: * yading@10: * FFmpeg is free software; you can redistribute it and/or yading@10: * modify it under the terms of the GNU Lesser General Public yading@10: * License as published by the Free Software Foundation; either yading@10: * version 2.1 of the License, or (at your option) any later version. yading@10: * yading@10: * FFmpeg is distributed in the hope that it will be useful, yading@10: * but WITHOUT ANY WARRANTY; without even the implied warranty of yading@10: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU yading@10: * Lesser General Public License for more details. yading@10: * yading@10: * You should have received a copy of the GNU Lesser General Public yading@10: * License along with FFmpeg; if not, write to the Free Software yading@10: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA yading@10: */ yading@10: yading@10: /** yading@10: * @file yading@10: * H.264 / AVC / MPEG4 prediction functions. yading@10: * @author Michael Niedermayer yading@10: */ yading@10: yading@10: #ifndef AVCODEC_H264PRED_H yading@10: #define AVCODEC_H264PRED_H yading@10: yading@10: #include yading@10: #include yading@10: yading@10: /** yading@10: * Prediction types yading@10: */ yading@10: //@{ yading@10: #define VERT_PRED 0 yading@10: #define HOR_PRED 1 yading@10: #define DC_PRED 2 yading@10: #define DIAG_DOWN_LEFT_PRED 3 yading@10: #define DIAG_DOWN_RIGHT_PRED 4 yading@10: #define VERT_RIGHT_PRED 5 yading@10: #define HOR_DOWN_PRED 6 yading@10: #define VERT_LEFT_PRED 7 yading@10: #define HOR_UP_PRED 8 yading@10: yading@10: // DC edge (not for VP8) yading@10: #define LEFT_DC_PRED 9 yading@10: #define TOP_DC_PRED 10 yading@10: #define DC_128_PRED 11 yading@10: yading@10: // RV40 specific yading@10: #define DIAG_DOWN_LEFT_PRED_RV40_NODOWN 12 yading@10: #define HOR_UP_PRED_RV40_NODOWN 13 yading@10: #define VERT_LEFT_PRED_RV40_NODOWN 14 yading@10: yading@10: // VP8 specific yading@10: #define TM_VP8_PRED 9 ///< "True Motion", used instead of plane yading@10: #define VERT_VP8_PRED 10 ///< for VP8, #VERT_PRED is the average of yading@10: ///< (left col+cur col x2+right col) / 4; yading@10: ///< this is the "unaveraged" one yading@10: #define HOR_VP8_PRED 11 ///< unaveraged version of #HOR_PRED, see yading@10: ///< #VERT_VP8_PRED for details yading@10: #define DC_127_PRED 12 yading@10: #define DC_129_PRED 13 yading@10: yading@10: #define DC_PRED8x8 0 yading@10: #define HOR_PRED8x8 1 yading@10: #define VERT_PRED8x8 2 yading@10: #define PLANE_PRED8x8 3 yading@10: yading@10: // DC edge yading@10: #define LEFT_DC_PRED8x8 4 yading@10: #define TOP_DC_PRED8x8 5 yading@10: #define DC_128_PRED8x8 6 yading@10: yading@10: // H264/SVQ3 (8x8) specific yading@10: #define ALZHEIMER_DC_L0T_PRED8x8 7 yading@10: #define ALZHEIMER_DC_0LT_PRED8x8 8 yading@10: #define ALZHEIMER_DC_L00_PRED8x8 9 yading@10: #define ALZHEIMER_DC_0L0_PRED8x8 10 yading@10: yading@10: // VP8 specific yading@10: #define DC_127_PRED8x8 7 yading@10: #define DC_129_PRED8x8 8 yading@10: //@} yading@10: yading@10: /** yading@10: * Context for storing H.264 prediction functions yading@10: */ yading@10: typedef struct H264PredContext { yading@10: void(*pred4x4[9 + 3 + 3])(uint8_t *src, const uint8_t *topright, yading@10: ptrdiff_t stride); yading@10: void(*pred8x8l[9 + 3])(uint8_t *src, int topleft, int topright, yading@10: ptrdiff_t stride); yading@10: void(*pred8x8[4 + 3 + 4])(uint8_t *src, ptrdiff_t stride); yading@10: void(*pred16x16[4 + 3 + 2])(uint8_t *src, ptrdiff_t stride); yading@10: yading@10: void(*pred4x4_add[2])(uint8_t *pix /*align 4*/, yading@10: int16_t *block /*align 16*/, ptrdiff_t stride); yading@10: void(*pred8x8l_add[2])(uint8_t *pix /*align 8*/, yading@10: int16_t *block /*align 16*/, ptrdiff_t stride); yading@10: void(*pred8x8_add[3])(uint8_t *pix /*align 8*/, yading@10: const int *block_offset, yading@10: int16_t *block /*align 16*/, ptrdiff_t stride); yading@10: void(*pred16x16_add[3])(uint8_t *pix /*align 16*/, yading@10: const int *block_offset, yading@10: int16_t *block /*align 16*/, ptrdiff_t stride); yading@10: } H264PredContext; yading@10: yading@10: void ff_h264_pred_init(H264PredContext *h, int codec_id, yading@10: const int bit_depth, const int chroma_format_idc); yading@10: void ff_h264_pred_init_arm(H264PredContext *h, int codec_id, yading@10: const int bit_depth, const int chroma_format_idc); yading@10: void ff_h264_pred_init_x86(H264PredContext *h, int codec_id, yading@10: const int bit_depth, const int chroma_format_idc); yading@10: yading@10: #endif /* AVCODEC_H264PRED_H */