summaryrefslogtreecommitdiff
path: root/ffmpeg/libavcodec/cavs.h
diff options
context:
space:
mode:
Diffstat (limited to 'ffmpeg/libavcodec/cavs.h')
-rw-r--r--ffmpeg/libavcodec/cavs.h275
1 files changed, 0 insertions, 275 deletions
diff --git a/ffmpeg/libavcodec/cavs.h b/ffmpeg/libavcodec/cavs.h
deleted file mode 100644
index f3c05dc..0000000
--- a/ffmpeg/libavcodec/cavs.h
+++ /dev/null
@@ -1,275 +0,0 @@
-/*
- * Chinese AVS video (AVS1-P2, JiZhun profile) decoder.
- * Copyright (c) 2006 Stefan Gehrer <stefan.gehrer@gmx.de>
- *
- * 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
- */
-
-#ifndef AVCODEC_CAVS_H
-#define AVCODEC_CAVS_H
-
-#include "cavsdsp.h"
-#include "dsputil.h"
-#include "h264chroma.h"
-#include "get_bits.h"
-#include "videodsp.h"
-
-#define SLICE_MAX_START_CODE 0x000001af
-#define EXT_START_CODE 0x000001b5
-#define USER_START_CODE 0x000001b2
-#define CAVS_START_CODE 0x000001b0
-#define PIC_I_START_CODE 0x000001b3
-#define PIC_PB_START_CODE 0x000001b6
-
-#define A_AVAIL 1
-#define B_AVAIL 2
-#define C_AVAIL 4
-#define D_AVAIL 8
-#define NOT_AVAIL -1
-#define REF_INTRA -2
-#define REF_DIR -3
-
-#define ESCAPE_CODE 59
-
-#define FWD0 0x01
-#define FWD1 0x02
-#define BWD0 0x04
-#define BWD1 0x08
-#define SYM0 0x10
-#define SYM1 0x20
-#define SPLITH 0x40
-#define SPLITV 0x80
-
-#define MV_BWD_OFFS 12
-#define MV_STRIDE 4
-
-enum cavs_mb {
- I_8X8 = 0,
- P_SKIP,
- P_16X16,
- P_16X8,
- P_8X16,
- P_8X8,
- B_SKIP,
- B_DIRECT,
- B_FWD_16X16,
- B_BWD_16X16,
- B_SYM_16X16,
- B_8X8 = 29
-};
-
-enum cavs_sub_mb {
- B_SUB_DIRECT,
- B_SUB_FWD,
- B_SUB_BWD,
- B_SUB_SYM
-};
-
-enum cavs_intra_luma {
- INTRA_L_VERT,
- INTRA_L_HORIZ,
- INTRA_L_LP,
- INTRA_L_DOWN_LEFT,
- INTRA_L_DOWN_RIGHT,
- INTRA_L_LP_LEFT,
- INTRA_L_LP_TOP,
- INTRA_L_DC_128
-};
-
-enum cavs_intra_chroma {
- INTRA_C_LP,
- INTRA_C_HORIZ,
- INTRA_C_VERT,
- INTRA_C_PLANE,
- INTRA_C_LP_LEFT,
- INTRA_C_LP_TOP,
- INTRA_C_DC_128,
-};
-
-enum cavs_mv_pred {
- MV_PRED_MEDIAN,
- MV_PRED_LEFT,
- MV_PRED_TOP,
- MV_PRED_TOPRIGHT,
- MV_PRED_PSKIP,
- MV_PRED_BSKIP
-};
-
-enum cavs_block {
- BLK_16X16,
- BLK_16X8,
- BLK_8X16,
- BLK_8X8
-};
-
-enum cavs_mv_loc {
- MV_FWD_D3 = 0,
- MV_FWD_B2,
- MV_FWD_B3,
- MV_FWD_C2,
- MV_FWD_A1,
- MV_FWD_X0,
- MV_FWD_X1,
- MV_FWD_A3 = 8,
- MV_FWD_X2,
- MV_FWD_X3,
- MV_BWD_D3 = MV_BWD_OFFS,
- MV_BWD_B2,
- MV_BWD_B3,
- MV_BWD_C2,
- MV_BWD_A1,
- MV_BWD_X0,
- MV_BWD_X1,
- MV_BWD_A3 = MV_BWD_OFFS+8,
- MV_BWD_X2,
- MV_BWD_X3
-};
-
-DECLARE_ALIGNED(8, typedef, struct) {
- int16_t x;
- int16_t y;
- int16_t dist;
- int16_t ref;
-} cavs_vector;
-
-struct dec_2dvlc {
- int8_t rltab[59][3];
- int8_t level_add[27];
- int8_t golomb_order;
- int inc_limit;
- int8_t max_run;
-};
-
-typedef struct AVSFrame {
- AVFrame *f;
- int poc;
-} AVSFrame;
-
-typedef struct AVSContext {
- AVCodecContext *avctx;
- DSPContext dsp;
- H264ChromaContext h264chroma;
- VideoDSPContext vdsp;
- CAVSDSPContext cdsp;
- GetBitContext gb;
- AVSFrame cur; ///< currently decoded frame
- AVSFrame DPB[2]; ///< reference frames
- int dist[2]; ///< temporal distances from current frame to ref frames
- int low_delay;
- int profile, level;
- int aspect_ratio;
- int mb_width, mb_height;
- int width, height;
- int stream_revision; ///<0 for samples from 2006, 1 for rm52j encoder
- int progressive;
- int pic_structure;
- int skip_mode_flag; ///< select between skip_count or one skip_flag per MB
- int loop_filter_disable;
- int alpha_offset, beta_offset;
- int ref_flag;
- int mbx, mby, mbidx; ///< macroblock coordinates
- int flags; ///< availability flags of neighbouring macroblocks
- int stc; ///< last start code
- uint8_t *cy, *cu, *cv; ///< current MB sample pointers
- int left_qp;
- uint8_t *top_qp;
-
- /** mv motion vector cache
- 0: D3 B2 B3 C2
- 4: A1 X0 X1 -
- 8: A3 X2 X3 -
-
- X are the vectors in the current macroblock (5,6,9,10)
- A is the macroblock to the left (4,8)
- B is the macroblock to the top (1,2)
- C is the macroblock to the top-right (3)
- D is the macroblock to the top-left (0)
-
- the same is repeated for backward motion vectors */
- cavs_vector mv[2*4*3];
- cavs_vector *top_mv[2];
- cavs_vector *col_mv;
-
- /** luma pred mode cache
- 0: -- B2 B3
- 3: A1 X0 X1
- 6: A3 X2 X3 */
- int pred_mode_Y[3*3];
- int *top_pred_Y;
- ptrdiff_t l_stride, c_stride;
- int luma_scan[4];
- int qp;
- int qp_fixed;
- int cbp;
- ScanTable scantable;
-
- /** intra prediction is done with un-deblocked samples
- they are saved here before deblocking the MB */
- uint8_t *top_border_y, *top_border_u, *top_border_v;
- uint8_t left_border_y[26], left_border_u[10], left_border_v[10];
- uint8_t intern_border_y[26];
- uint8_t topleft_border_y, topleft_border_u, topleft_border_v;
-
- void (*intra_pred_l[8])(uint8_t *d,uint8_t *top,uint8_t *left,int stride);
- void (*intra_pred_c[7])(uint8_t *d,uint8_t *top,uint8_t *left,int stride);
- uint8_t *col_type_base;
-
- /* scaling factors for MV prediction */
- int sym_factor; ///< for scaling in symmetrical B block
- int direct_den[2]; ///< for scaling in direct B block
- int scale_den[2]; ///< for scaling neighbouring MVs
-
- uint8_t *edge_emu_buffer;
-
- int got_keyframe;
- int16_t *block;
-} AVSContext;
-
-extern const uint8_t ff_cavs_partition_flags[30];
-extern const cavs_vector ff_cavs_intra_mv;
-extern const cavs_vector ff_cavs_dir_mv;
-
-static inline void set_mvs(cavs_vector *mv, enum cavs_block size) {
- switch(size) {
- case BLK_16X16:
- mv[MV_STRIDE ] = mv[0];
- mv[MV_STRIDE+1] = mv[0];
- case BLK_16X8:
- mv[1] = mv[0];
- break;
- case BLK_8X16:
- mv[MV_STRIDE] = mv[0];
- break;
- }
-}
-
-void ff_cavs_filter(AVSContext *h, enum cavs_mb mb_type);
-void ff_cavs_load_intra_pred_luma(AVSContext *h, uint8_t *top, uint8_t **left,
- int block);
-void ff_cavs_load_intra_pred_chroma(AVSContext *h);
-void ff_cavs_modify_mb_i(AVSContext *h, int *pred_mode_uv);
-void ff_cavs_inter(AVSContext *h, enum cavs_mb mb_type);
-void ff_cavs_mv(AVSContext *h, enum cavs_mv_loc nP, enum cavs_mv_loc nC,
- enum cavs_mv_pred mode, enum cavs_block size, int ref);
-void ff_cavs_init_mb(AVSContext *h);
-int ff_cavs_next_mb(AVSContext *h);
-int ff_cavs_init_pic(AVSContext *h);
-void ff_cavs_init_top_lines(AVSContext *h);
-int ff_cavs_init(AVCodecContext *avctx);
-int ff_cavs_end (AVCodecContext *avctx);
-
-#endif /* AVCODEC_CAVS_H */
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-06 10:15:09 +0000