| 1 | /*
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| 2 | * Generic DCT based hybrid video encoder
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| 3 | * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
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| 4 | * Copyright (c) 2002-2004 Michael Niedermayer
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| 5 | *
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| 6 | * This library is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the GNU Lesser General Public
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| 8 | * License as published by the Free Software Foundation; either
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| 9 | * version 2 of the License, or (at your option) any later version.
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| 10 | *
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| 11 | * This library is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 14 | * Lesser General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU Lesser General Public
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| 17 | * License along with this library; if not, write to the Free Software
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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| 19 | */
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| 20 |
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| 21 | /**
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| 22 | * @file mpegvideo.h
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| 23 | * mpegvideo header.
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| 24 | */
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| 25 |
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| 26 | #ifndef AVCODEC_MPEGVIDEO_H
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| 27 | #define AVCODEC_MPEGVIDEO_H
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| 28 |
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| 29 | #include "dsputil.h"
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| 30 | #include "bitstream.h"
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| 31 |
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| 32 | #define FRAME_SKIPPED 100 ///< return value for header parsers if frame is not coded
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| 33 |
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| 34 | enum OutputFormat {
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| 35 | FMT_MPEG1,
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| 36 | FMT_H261,
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| 37 | FMT_H263,
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| 38 | FMT_MJPEG,
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| 39 | FMT_H264,
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| 40 | };
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| 41 |
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| 42 | #define EDGE_WIDTH 16
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| 43 |
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| 44 | #define MPEG_BUF_SIZE (16 * 1024)
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| 45 |
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| 46 | #define QMAT_SHIFT_MMX 16
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| 47 | #define QMAT_SHIFT 22
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| 48 |
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| 49 | #define MAX_FCODE 7
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| 50 | #define MAX_MV 2048
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| 51 |
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| 52 | #define MAX_THREADS 8
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| 53 |
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| 54 | #define MAX_PICTURE_COUNT 32
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| 55 |
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| 56 | #define ME_MAP_SIZE 64
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| 57 | #define ME_MAP_SHIFT 3
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| 58 | #define ME_MAP_MV_BITS 11
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| 59 |
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| 60 | /* run length table */
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| 61 | #define MAX_RUN 64
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| 62 | #define MAX_LEVEL 64
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| 63 |
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| 64 | #define I_TYPE FF_I_TYPE ///< Intra
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| 65 | #define P_TYPE FF_P_TYPE ///< Predicted
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| 66 | #define B_TYPE FF_B_TYPE ///< Bi-dir predicted
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| 67 | #define S_TYPE FF_S_TYPE ///< S(GMC)-VOP MPEG4
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| 68 | #define SI_TYPE FF_SI_TYPE ///< Switching Intra
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| 69 | #define SP_TYPE FF_SP_TYPE ///< Switching Predicted
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| 70 |
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| 71 | #define MAX_MB_BYTES (30*16*16*3/8 + 120)
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| 72 |
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| 73 | #define INPLACE_OFFSET 16
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| 74 |
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| 75 | typedef struct Predictor{
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| 76 | double coeff;
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| 77 | double count;
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| 78 | double decay;
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| 79 | } Predictor;
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| 80 |
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| 81 | typedef struct RateControlEntry{
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| 82 | int pict_type;
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| 83 | float qscale;
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| 84 | int mv_bits;
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| 85 | int i_tex_bits;
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| 86 | int p_tex_bits;
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| 87 | int misc_bits;
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| 88 | int header_bits;
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| 89 | uint64_t expected_bits;
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| 90 | int new_pict_type;
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| 91 | float new_qscale;
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| 92 | int mc_mb_var_sum;
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| 93 | int mb_var_sum;
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| 94 | int i_count;
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| 95 | int skip_count;
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| 96 | int f_code;
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| 97 | int b_code;
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| 98 | }RateControlEntry;
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| 99 |
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| 100 | /**
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| 101 | * rate control context.
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| 102 | */
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| 103 | typedef struct RateControlContext{
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| 104 | FILE *stats_file;
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| 105 | int num_entries; ///< number of RateControlEntries
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| 106 | RateControlEntry *entry;
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| 107 | double buffer_index; ///< amount of bits in the video/audio buffer
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| 108 | Predictor pred[5];
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| 109 | double short_term_qsum; ///< sum of recent qscales
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| 110 | double short_term_qcount; ///< count of recent qscales
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| 111 | double pass1_rc_eq_output_sum;///< sum of the output of the rc equation, this is used for normalization
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| 112 | double pass1_wanted_bits; ///< bits which should have been outputed by the pass1 code (including complexity init)
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| 113 | double last_qscale;
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| 114 | double last_qscale_for[5]; ///< last qscale for a specific pict type, used for max_diff & ipb factor stuff
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| 115 | int last_mc_mb_var_sum;
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| 116 | int last_mb_var_sum;
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| 117 | uint64_t i_cplx_sum[5];
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| 118 | uint64_t p_cplx_sum[5];
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| 119 | uint64_t mv_bits_sum[5];
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| 120 | uint64_t qscale_sum[5];
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| 121 | int frame_count[5];
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| 122 | int last_non_b_pict_type;
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| 123 |
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| 124 | void *non_lavc_opaque; ///< context for non lavc rc code (for example xvid)
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| 125 | float dry_run_qscale; ///< for xvid rc
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| 126 | int last_picture_number; ///< for xvid rc
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| 127 | }RateControlContext;
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| 128 |
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| 129 | /**
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| 130 | * Scantable.
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| 131 | */
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| 132 | typedef struct ScanTable{
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| 133 | const uint8_t *scantable;
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| 134 | uint8_t permutated[64];
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| 135 | uint8_t raster_end[64];
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| 136 | #ifdef ARCH_POWERPC
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| 137 | /** Used by dct_quantise_alitvec to find last-non-zero */
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| 138 | DECLARE_ALIGNED_8(uint8_t, inverse[64]);
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| 139 | #endif
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| 140 | } ScanTable;
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| 141 |
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| 142 | /**
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| 143 | * Picture.
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| 144 | */
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| 145 | typedef struct Picture{
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| 146 | FF_COMMON_FRAME
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| 147 |
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| 148 | /**
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| 149 | * halfpel luma planes.
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| 150 | */
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| 151 | uint8_t *interpolated[3];
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| 152 | int16_t (*motion_val_base[2])[2];
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| 153 | uint32_t *mb_type_base;
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| 154 | #define MB_TYPE_INTRA MB_TYPE_INTRA4x4 //default mb_type if theres just one type
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| 155 | #define IS_INTRA4x4(a) ((a)&MB_TYPE_INTRA4x4)
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| 156 | #define IS_INTRA16x16(a) ((a)&MB_TYPE_INTRA16x16)
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| 157 | #define IS_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
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| 158 | #define IS_INTRA(a) ((a)&7)
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| 159 | #define IS_INTER(a) ((a)&(MB_TYPE_16x16|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8))
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| 160 | #define IS_SKIP(a) ((a)&MB_TYPE_SKIP)
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| 161 | #define IS_INTRA_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
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| 162 | #define IS_INTERLACED(a) ((a)&MB_TYPE_INTERLACED)
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| 163 | #define IS_DIRECT(a) ((a)&MB_TYPE_DIRECT2)
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| 164 | #define IS_GMC(a) ((a)&MB_TYPE_GMC)
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| 165 | #define IS_16X16(a) ((a)&MB_TYPE_16x16)
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| 166 | #define IS_16X8(a) ((a)&MB_TYPE_16x8)
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| 167 | #define IS_8X16(a) ((a)&MB_TYPE_8x16)
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| 168 | #define IS_8X8(a) ((a)&MB_TYPE_8x8)
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| 169 | #define IS_SUB_8X8(a) ((a)&MB_TYPE_16x16) //note reused
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| 170 | #define IS_SUB_8X4(a) ((a)&MB_TYPE_16x8) //note reused
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| 171 | #define IS_SUB_4X8(a) ((a)&MB_TYPE_8x16) //note reused
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| 172 | #define IS_SUB_4X4(a) ((a)&MB_TYPE_8x8) //note reused
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| 173 | #define IS_ACPRED(a) ((a)&MB_TYPE_ACPRED)
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| 174 | #define IS_QUANT(a) ((a)&MB_TYPE_QUANT)
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| 175 | #define IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0<<((part)+2*(list))))
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| 176 | #define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0|MB_TYPE_P1L0)<<(2*(list)))) ///< does this mb use listX, note doesnt work if subMBs
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| 177 | #define HAS_CBP(a) ((a)&MB_TYPE_CBP)
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| 178 |
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| 179 | int field_poc[2]; ///< h264 top/bottom POC
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| 180 | int poc; ///< h264 frame POC
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| 181 | int frame_num; ///< h264 frame_num
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| 182 | int pic_id; ///< h264 pic_num or long_term_pic_idx
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| 183 | int long_ref; ///< 1->long term reference 0->short term reference
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| 184 | int ref_poc[2][16]; ///< h264 POCs of the frames used as reference
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| 185 | int ref_count[2]; ///< number of entries in ref_poc
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| 186 |
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| 187 | int mb_var_sum; ///< sum of MB variance for current frame
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| 188 | int mc_mb_var_sum; ///< motion compensated MB variance for current frame
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| 189 | uint16_t *mb_var; ///< Table for MB variances
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| 190 | uint16_t *mc_mb_var; ///< Table for motion compensated MB variances
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| 191 | uint8_t *mb_mean; ///< Table for MB luminance
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| 192 | int32_t *mb_cmp_score; ///< Table for MB cmp scores, for mb decision FIXME remove
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| 193 | int b_frame_score; /* */
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| 194 | } Picture;
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| 195 |
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| 196 | typedef struct ParseContext{
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| 197 | uint8_t *buffer;
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| 198 | int index;
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| 199 | int last_index;
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| 200 | unsigned int buffer_size;
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| 201 | uint32_t state; ///< contains the last few bytes in MSB order
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| 202 | int frame_start_found;
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| 203 | int overread; ///< the number of bytes which where irreversibly read from the next frame
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| 204 | int overread_index; ///< the index into ParseContext.buffer of the overreaded bytes
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| 205 | } ParseContext;
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| 206 |
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| 207 | struct MpegEncContext;
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| 208 |
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| 209 | /**
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| 210 | * Motion estimation context.
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| 211 | */
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| 212 | typedef struct MotionEstContext{
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| 213 | AVCodecContext *avctx;
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| 214 | int skip; ///< set if ME is skipped for the current MB
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| 215 | int co_located_mv[4][2]; ///< mv from last p frame for direct mode ME
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| 216 | int direct_basis_mv[4][2];
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| 217 | uint8_t *scratchpad; ///< data area for the me algo, so that the ME doesnt need to malloc/free
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| 218 | uint8_t *best_mb;
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| 219 | uint8_t *temp_mb[2];
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| 220 | uint8_t *temp;
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| 221 | int best_bits;
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| 222 | uint32_t *map; ///< map to avoid duplicate evaluations
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| 223 | uint32_t *score_map; ///< map to store the scores
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| 224 | int map_generation;
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| 225 | int pre_penalty_factor;
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| 226 | int penalty_factor;
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| 227 | int sub_penalty_factor;
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| 228 | int mb_penalty_factor;
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| 229 | int flags;
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| 230 | int sub_flags;
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| 231 | int mb_flags;
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| 232 | int pre_pass; ///< = 1 for the pre pass
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| 233 | int dia_size;
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| 234 | int xmin;
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| 235 | int xmax;
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| 236 | int ymin;
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| 237 | int ymax;
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| 238 | int pred_x;
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| 239 | int pred_y;
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| 240 | uint8_t *src[4][4];
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| 241 | uint8_t *ref[4][4];
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| 242 | int stride;
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| 243 | int uvstride;
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| 244 | /* temp variables for picture complexity calculation */
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| 245 | int mc_mb_var_sum_temp;
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| 246 | int mb_var_sum_temp;
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| 247 | int scene_change_score;
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| 248 | /* cmp, chroma_cmp;*/
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| 249 | op_pixels_func (*hpel_put)[4];
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| 250 | op_pixels_func (*hpel_avg)[4];
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| 251 | qpel_mc_func (*qpel_put)[16];
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| 252 | qpel_mc_func (*qpel_avg)[16];
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| 253 | uint8_t (*mv_penalty)[MAX_MV*2+1]; ///< amount of bits needed to encode a MV
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| 254 | uint8_t *current_mv_penalty;
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| 255 | int (*sub_motion_search)(struct MpegEncContext * s,
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| 256 | int *mx_ptr, int *my_ptr, int dmin,
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| 257 | int src_index, int ref_index,
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| 258 | int size, int h);
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| 259 | }MotionEstContext;
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| 260 |
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| 261 | /**
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| 262 | * MpegEncContext.
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| 263 | */
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| 264 | typedef struct MpegEncContext {
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| 265 | struct AVCodecContext *avctx;
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| 266 | /* the following parameters must be initialized before encoding */
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| 267 | int width, height;///< picture size. must be a multiple of 16
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| 268 | int gop_size;
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| 269 | int intra_only; ///< if true, only intra pictures are generated
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| 270 | int bit_rate; ///< wanted bit rate
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| 271 | enum OutputFormat out_format; ///< output format
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| 272 | int h263_pred; ///< use mpeg4/h263 ac/dc predictions
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| 273 |
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| 274 | /* the following codec id fields are deprecated in favor of codec_id */
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| 275 | int h263_plus; ///< h263 plus headers
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| 276 | int h263_msmpeg4; ///< generate MSMPEG4 compatible stream (deprecated, use msmpeg4_version instead)
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| 277 | int h263_flv; ///< use flv h263 header
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| 278 |
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| 279 | enum CodecID codec_id; /* see CODEC_ID_xxx */
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| 280 | int fixed_qscale; ///< fixed qscale if non zero
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| 281 | int encoding; ///< true if we are encoding (vs decoding)
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| 282 | int flags; ///< AVCodecContext.flags (HQ, MV4, ...)
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| 283 | int flags2; ///< AVCodecContext.flags2
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| 284 | int max_b_frames; ///< max number of b-frames for encoding
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| 285 | int luma_elim_threshold;
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| 286 | int chroma_elim_threshold;
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| 287 | int strict_std_compliance; ///< strictly follow the std (MPEG4, ...)
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| 288 | int workaround_bugs; ///< workaround bugs in encoders which cannot be detected automatically
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| 289 | /* the following fields are managed internally by the encoder */
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| 290 |
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| 291 | /** bit output */
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| 292 | PutBitContext pb;
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| 293 |
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| 294 | /* sequence parameters */
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| 295 | int context_initialized;
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| 296 | int input_picture_number; ///< used to set pic->display_picture_number, shouldnt be used for/by anything else
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| 297 | int coded_picture_number; ///< used to set pic->coded_picture_number, shouldnt be used for/by anything else
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| 298 | int picture_number; //FIXME remove, unclear definition
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| 299 | int picture_in_gop_number; ///< 0-> first pic in gop, ...
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| 300 | int b_frames_since_non_b; ///< used for encoding, relative to not yet reordered input
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| 301 | int64_t user_specified_pts;///< last non zero pts from AVFrame which was passed into avcodec_encode_video()
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| 302 | int mb_width, mb_height; ///< number of MBs horizontally & vertically
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| 303 | int mb_stride; ///< mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11
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| 304 | int b8_stride; ///< 2*mb_width+1 used for some 8x8 block arrays to allow simple addressing
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| 305 | int b4_stride; ///< 4*mb_width+1 used for some 4x4 block arrays to allow simple addressing
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| 306 | int h_edge_pos, v_edge_pos;///< horizontal / vertical position of the right/bottom edge (pixel replication)
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| 307 | int mb_num; ///< number of MBs of a picture
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| 308 | int linesize; ///< line size, in bytes, may be different from width
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| 309 | int uvlinesize; ///< line size, for chroma in bytes, may be different from width
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| 310 | Picture *picture; ///< main picture buffer
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| 311 | Picture **input_picture; ///< next pictures on display order for encoding
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| 312 | Picture **reordered_input_picture; ///< pointer to the next pictures in codedorder for encoding
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| 313 |
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| 314 | int start_mb_y; ///< start mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y)
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| 315 | int end_mb_y; ///< end mb_y of this thread (so current thread should process start_mb_y <= row < end_mb_y)
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| 316 | struct MpegEncContext *thread_context[MAX_THREADS];
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| 317 |
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| 318 | /**
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| 319 | * copy of the previous picture structure.
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| 320 | * note, linesize & data, might not match the previous picture (for field pictures)
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| 321 | */
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| 322 | Picture last_picture;
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| 323 |
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| 324 | /**
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| 325 | * copy of the next picture structure.
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| 326 | * note, linesize & data, might not match the next picture (for field pictures)
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| 327 | */
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| 328 | Picture next_picture;
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| 329 |
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| 330 | /**
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| 331 | * copy of the source picture structure for encoding.
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| 332 | * note, linesize & data, might not match the source picture (for field pictures)
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| 333 | */
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| 334 | Picture new_picture;
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| 335 |
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| 336 | /**
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| 337 | * copy of the current picture structure.
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| 338 | * note, linesize & data, might not match the current picture (for field pictures)
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| 339 | */
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| 340 | Picture current_picture; ///< buffer to store the decompressed current picture
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| 341 |
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| 342 | Picture *last_picture_ptr; ///< pointer to the previous picture.
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| 343 | Picture *next_picture_ptr; ///< pointer to the next picture (for bidir pred)
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| 344 | Picture *current_picture_ptr; ///< pointer to the current picture
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| 345 | uint8_t *visualization_buffer[3]; //< temporary buffer vor MV visualization
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| 346 | int last_dc[3]; ///< last DC values for MPEG1
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| 347 | int16_t *dc_val_base;
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| 348 | int16_t *dc_val[3]; ///< used for mpeg4 DC prediction, all 3 arrays must be continuous
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| 349 | int16_t dc_cache[4*5];
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| 350 | int y_dc_scale, c_dc_scale;
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| 351 | const uint8_t *y_dc_scale_table; ///< qscale -> y_dc_scale table
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| 352 | const uint8_t *c_dc_scale_table; ///< qscale -> c_dc_scale table
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| 353 | const uint8_t *chroma_qscale_table; ///< qscale -> chroma_qscale (h263)
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| 354 | uint8_t *coded_block_base;
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| 355 | uint8_t *coded_block; ///< used for coded block pattern prediction (msmpeg4v3, wmv1)
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| 356 | int16_t (*ac_val_base)[16];
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| 357 | int16_t (*ac_val[3])[16]; ///< used for for mpeg4 AC prediction, all 3 arrays must be continuous
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| 358 | int ac_pred;
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| 359 | uint8_t *prev_pict_types; ///< previous picture types in bitstream order, used for mb skip
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| 360 | #define PREV_PICT_TYPES_BUFFER_SIZE 256
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| 361 | int mb_skipped; ///< MUST BE SET only during DECODING
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| 362 | uint8_t *mbskip_table; /**< used to avoid copy if macroblock skipped (for black regions for example)
|
|---|
| 363 | and used for b-frame encoding & decoding (contains skip table of next P Frame) */
|
|---|
| 364 | uint8_t *mbintra_table; ///< used to avoid setting {ac, dc, cbp}-pred stuff to zero on inter MB decoding
|
|---|
| 365 | uint8_t *cbp_table; ///< used to store cbp, ac_pred for partitioned decoding
|
|---|
| 366 | uint8_t *pred_dir_table; ///< used to store pred_dir for partitioned decoding
|
|---|
| 367 | uint8_t *allocated_edge_emu_buffer;
|
|---|
| 368 | uint8_t *edge_emu_buffer; ///< points into the middle of allocated_edge_emu_buffer
|
|---|
| 369 | uint8_t *rd_scratchpad; ///< scratchpad for rate distortion mb decision
|
|---|
| 370 | uint8_t *obmc_scratchpad;
|
|---|
| 371 | uint8_t *b_scratchpad; ///< scratchpad used for writing into write only buffers
|
|---|
| 372 |
|
|---|
| 373 | int qscale; ///< QP
|
|---|
| 374 | int chroma_qscale; ///< chroma QP
|
|---|
| 375 | int lambda; ///< lagrange multipler used in rate distortion
|
|---|
| 376 | int lambda2; ///< (lambda*lambda) >> FF_LAMBDA_SHIFT
|
|---|
| 377 | int *lambda_table;
|
|---|
| 378 | int adaptive_quant; ///< use adaptive quantization
|
|---|
| 379 | int dquant; ///< qscale difference to prev qscale
|
|---|
| 380 | int pict_type; ///< I_TYPE, P_TYPE, B_TYPE, ...
|
|---|
| 381 | int last_pict_type; //FIXME removes
|
|---|
| 382 | int last_non_b_pict_type; ///< used for mpeg4 gmc b-frames & ratecontrol
|
|---|
| 383 | int dropable;
|
|---|
| 384 | int frame_rate_index;
|
|---|
| 385 | int last_lambda_for[5]; ///< last lambda for a specific pict type
|
|---|
| 386 |
|
|---|
| 387 | /* motion compensation */
|
|---|
| 388 | int unrestricted_mv; ///< mv can point outside of the coded picture
|
|---|
| 389 | int h263_long_vectors; ///< use horrible h263v1 long vector mode
|
|---|
| 390 | int decode; ///< if 0 then decoding will be skipped (for encoding b frames for example)
|
|---|
| 391 |
|
|---|
| 392 | DSPContext dsp; ///< pointers for accelerated dsp functions
|
|---|
| 393 | int f_code; ///< forward MV resolution
|
|---|
| 394 | int b_code; ///< backward MV resolution for B Frames (mpeg4)
|
|---|
| 395 | int16_t (*p_mv_table_base)[2];
|
|---|
| 396 | int16_t (*b_forw_mv_table_base)[2];
|
|---|
| 397 | int16_t (*b_back_mv_table_base)[2];
|
|---|
| 398 | int16_t (*b_bidir_forw_mv_table_base)[2];
|
|---|
| 399 | int16_t (*b_bidir_back_mv_table_base)[2];
|
|---|
| 400 | int16_t (*b_direct_mv_table_base)[2];
|
|---|
| 401 | int16_t (*p_field_mv_table_base[2][2])[2];
|
|---|
| 402 | int16_t (*b_field_mv_table_base[2][2][2])[2];
|
|---|
| 403 | int16_t (*p_mv_table)[2]; ///< MV table (1MV per MB) p-frame encoding
|
|---|
| 404 | int16_t (*b_forw_mv_table)[2]; ///< MV table (1MV per MB) forward mode b-frame encoding
|
|---|
| 405 | int16_t (*b_back_mv_table)[2]; ///< MV table (1MV per MB) backward mode b-frame encoding
|
|---|
| 406 | int16_t (*b_bidir_forw_mv_table)[2]; ///< MV table (1MV per MB) bidir mode b-frame encoding
|
|---|
| 407 | int16_t (*b_bidir_back_mv_table)[2]; ///< MV table (1MV per MB) bidir mode b-frame encoding
|
|---|
| 408 | int16_t (*b_direct_mv_table)[2]; ///< MV table (1MV per MB) direct mode b-frame encoding
|
|---|
| 409 | int16_t (*p_field_mv_table[2][2])[2]; ///< MV table (2MV per MB) interlaced p-frame encoding
|
|---|
| 410 | int16_t (*b_field_mv_table[2][2][2])[2];///< MV table (4MV per MB) interlaced b-frame encoding
|
|---|
| 411 | uint8_t (*p_field_select_table[2]);
|
|---|
| 412 | uint8_t (*b_field_select_table[2][2]);
|
|---|
| 413 | int me_method; ///< ME algorithm
|
|---|
| 414 | int mv_dir;
|
|---|
| 415 | #define MV_DIR_BACKWARD 1
|
|---|
| 416 | #define MV_DIR_FORWARD 2
|
|---|
| 417 | #define MV_DIRECT 4 ///< bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)
|
|---|
| 418 | int mv_type;
|
|---|
| 419 | #define MV_TYPE_16X16 0 ///< 1 vector for the whole mb
|
|---|
| 420 | #define MV_TYPE_8X8 1 ///< 4 vectors (h263, mpeg4 4MV)
|
|---|
| 421 | #define MV_TYPE_16X8 2 ///< 2 vectors, one per 16x8 block
|
|---|
| 422 | #define MV_TYPE_FIELD 3 ///< 2 vectors, one per field
|
|---|
| 423 | #define MV_TYPE_DMV 4 ///< 2 vectors, special mpeg2 Dual Prime Vectors
|
|---|
| 424 | /**motion vectors for a macroblock
|
|---|
| 425 | first coordinate : 0 = forward 1 = backward
|
|---|
| 426 | second " : depend on type
|
|---|
| 427 | third " : 0 = x, 1 = y
|
|---|
| 428 | */
|
|---|
| 429 | int mv[2][4][2];
|
|---|
| 430 | int field_select[2][2];
|
|---|
| 431 | int last_mv[2][2][2]; ///< last MV, used for MV prediction in MPEG1 & B-frame MPEG4
|
|---|
| 432 | uint8_t *fcode_tab; ///< smallest fcode needed for each MV
|
|---|
| 433 | int16_t direct_scale_mv[2][64]; ///< precomputed to avoid divisions in ff_mpeg4_set_direct_mv
|
|---|
| 434 |
|
|---|
| 435 | MotionEstContext me;
|
|---|
| 436 |
|
|---|
| 437 | int no_rounding; /**< apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
|
|---|
| 438 | for b-frames rounding mode is allways 0 */
|
|---|
| 439 |
|
|---|
| 440 | int hurry_up; /**< when set to 1 during decoding, b frames will be skipped
|
|---|
| 441 | when set to 2 idct/dequant will be skipped too */
|
|---|
| 442 |
|
|---|
| 443 | /* macroblock layer */
|
|---|
| 444 | int mb_x, mb_y;
|
|---|
| 445 | int mb_skip_run;
|
|---|
| 446 | int mb_intra;
|
|---|
| 447 | uint16_t *mb_type; ///< Table for candidate MB types for encoding
|
|---|
| 448 | #define CANDIDATE_MB_TYPE_INTRA 0x01
|
|---|
| 449 | #define CANDIDATE_MB_TYPE_INTER 0x02
|
|---|
| 450 | #define CANDIDATE_MB_TYPE_INTER4V 0x04
|
|---|
| 451 | #define CANDIDATE_MB_TYPE_SKIPPED 0x08
|
|---|
| 452 | //#define MB_TYPE_GMC 0x10
|
|---|
| 453 |
|
|---|
| 454 | #define CANDIDATE_MB_TYPE_DIRECT 0x10
|
|---|
| 455 | #define CANDIDATE_MB_TYPE_FORWARD 0x20
|
|---|
| 456 | #define CANDIDATE_MB_TYPE_BACKWARD 0x40
|
|---|
| 457 | #define CANDIDATE_MB_TYPE_BIDIR 0x80
|
|---|
| 458 |
|
|---|
| 459 | #define CANDIDATE_MB_TYPE_INTER_I 0x100
|
|---|
| 460 | #define CANDIDATE_MB_TYPE_FORWARD_I 0x200
|
|---|
| 461 | #define CANDIDATE_MB_TYPE_BACKWARD_I 0x400
|
|---|
| 462 | #define CANDIDATE_MB_TYPE_BIDIR_I 0x800
|
|---|
| 463 |
|
|---|
| 464 | int block_index[6]; ///< index to current MB in block based arrays with edges
|
|---|
| 465 | int block_wrap[6];
|
|---|
| 466 | uint8_t *dest[3];
|
|---|
| 467 |
|
|---|
| 468 | int *mb_index2xy; ///< mb_index -> mb_x + mb_y*mb_stride
|
|---|
| 469 |
|
|---|
| 470 | /** matrix transmitted in the bitstream */
|
|---|
| 471 | uint16_t intra_matrix[64];
|
|---|
| 472 | uint16_t chroma_intra_matrix[64];
|
|---|
| 473 | uint16_t inter_matrix[64];
|
|---|
| 474 | uint16_t chroma_inter_matrix[64];
|
|---|
| 475 | #define QUANT_BIAS_SHIFT 8
|
|---|
| 476 | int intra_quant_bias; ///< bias for the quantizer
|
|---|
| 477 | int inter_quant_bias; ///< bias for the quantizer
|
|---|
| 478 | int min_qcoeff; ///< minimum encodable coefficient
|
|---|
| 479 | int max_qcoeff; ///< maximum encodable coefficient
|
|---|
| 480 | int ac_esc_length; ///< num of bits needed to encode the longest esc
|
|---|
| 481 | uint8_t *intra_ac_vlc_length;
|
|---|
| 482 | uint8_t *intra_ac_vlc_last_length;
|
|---|
| 483 | uint8_t *inter_ac_vlc_length;
|
|---|
| 484 | uint8_t *inter_ac_vlc_last_length;
|
|---|
| 485 | uint8_t *luma_dc_vlc_length;
|
|---|
| 486 | uint8_t *chroma_dc_vlc_length;
|
|---|
| 487 | #define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level))
|
|---|
| 488 |
|
|---|
| 489 | int coded_score[8];
|
|---|
| 490 |
|
|---|
| 491 | /** precomputed matrix (combine qscale and DCT renorm) */
|
|---|
| 492 | int (*q_intra_matrix)[64];
|
|---|
| 493 | int (*q_inter_matrix)[64];
|
|---|
| 494 | /** identical to the above but for MMX & these are not permutated, second 64 entries are bias*/
|
|---|
| 495 | uint16_t (*q_intra_matrix16)[2][64];
|
|---|
| 496 | uint16_t (*q_inter_matrix16)[2][64];
|
|---|
| 497 | int block_last_index[12]; ///< last non zero coefficient in block
|
|---|
| 498 | /* scantables */
|
|---|
| 499 | DECLARE_ALIGNED_8(ScanTable, intra_scantable);
|
|---|
| 500 | ScanTable intra_h_scantable;
|
|---|
| 501 | ScanTable intra_v_scantable;
|
|---|
| 502 | ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage
|
|---|
| 503 |
|
|---|
| 504 | /* noise reduction */
|
|---|
| 505 | int (*dct_error_sum)[64];
|
|---|
| 506 | int dct_count[2];
|
|---|
| 507 | uint16_t (*dct_offset)[64];
|
|---|
| 508 |
|
|---|
| 509 | void *opaque; ///< private data for the user
|
|---|
| 510 |
|
|---|
| 511 | /* bit rate control */
|
|---|
| 512 | int64_t wanted_bits;
|
|---|
| 513 | int64_t total_bits;
|
|---|
| 514 | int frame_bits; ///< bits used for the current frame
|
|---|
| 515 | RateControlContext rc_context; ///< contains stuff only accessed in ratecontrol.c
|
|---|
| 516 |
|
|---|
| 517 | /* statistics, used for 2-pass encoding */
|
|---|
| 518 | int mv_bits;
|
|---|
| 519 | int header_bits;
|
|---|
| 520 | int i_tex_bits;
|
|---|
| 521 | int p_tex_bits;
|
|---|
| 522 | int i_count;
|
|---|
| 523 | int f_count;
|
|---|
| 524 | int b_count;
|
|---|
| 525 | int skip_count;
|
|---|
| 526 | int misc_bits; ///< cbp, mb_type
|
|---|
| 527 | int last_bits; ///< temp var used for calculating the above vars
|
|---|
| 528 |
|
|---|
| 529 | /* error concealment / resync */
|
|---|
| 530 | int error_count;
|
|---|
| 531 | uint8_t *error_status_table; ///< table of the error status of each MB
|
|---|
| 532 | #define VP_START 1 ///< current MB is the first after a resync marker
|
|---|
| 533 | #define AC_ERROR 2
|
|---|
| 534 | #define DC_ERROR 4
|
|---|
| 535 | #define MV_ERROR 8
|
|---|
| 536 | #define AC_END 16
|
|---|
| 537 | #define DC_END 32
|
|---|
| 538 | #define MV_END 64
|
|---|
| 539 | //FIXME some prefix?
|
|---|
| 540 |
|
|---|
| 541 | int resync_mb_x; ///< x position of last resync marker
|
|---|
| 542 | int resync_mb_y; ///< y position of last resync marker
|
|---|
| 543 | GetBitContext last_resync_gb; ///< used to search for the next resync marker
|
|---|
| 544 | int mb_num_left; ///< number of MBs left in this video packet (for partitioned Slices only)
|
|---|
| 545 | int next_p_frame_damaged; ///< set if the next p frame is damaged, to avoid showing trashed b frames
|
|---|
| 546 | int error_resilience;
|
|---|
| 547 |
|
|---|
| 548 | ParseContext parse_context;
|
|---|
| 549 |
|
|---|
| 550 | /* H.263 specific */
|
|---|
| 551 | int gob_index;
|
|---|
| 552 | int obmc; ///< overlapped block motion compensation
|
|---|
| 553 |
|
|---|
| 554 | /* H.263+ specific */
|
|---|
| 555 | int umvplus; ///< == H263+ && unrestricted_mv
|
|---|
| 556 | int h263_aic; ///< Advanded INTRA Coding (AIC)
|
|---|
| 557 | int h263_aic_dir; ///< AIC direction: 0 = left, 1 = top
|
|---|
| 558 | int h263_slice_structured;
|
|---|
| 559 | int alt_inter_vlc; ///< alternative inter vlc
|
|---|
| 560 | int modified_quant;
|
|---|
| 561 | int loop_filter;
|
|---|
| 562 | int custom_pcf;
|
|---|
| 563 |
|
|---|
| 564 | /* mpeg4 specific */
|
|---|
| 565 | int time_increment_bits; ///< number of bits to represent the fractional part of time
|
|---|
| 566 | int last_time_base;
|
|---|
| 567 | int time_base; ///< time in seconds of last I,P,S Frame
|
|---|
| 568 | int64_t time; ///< time of current frame
|
|---|
| 569 | int64_t last_non_b_time;
|
|---|
| 570 | uint16_t pp_time; ///< time distance between the last 2 p,s,i frames
|
|---|
| 571 | uint16_t pb_time; ///< time distance between the last b and p,s,i frame
|
|---|
| 572 | uint16_t pp_field_time;
|
|---|
| 573 | uint16_t pb_field_time; ///< like above, just for interlaced
|
|---|
| 574 | int shape;
|
|---|
| 575 | int vol_sprite_usage;
|
|---|
| 576 | int sprite_width;
|
|---|
| 577 | int sprite_height;
|
|---|
| 578 | int sprite_left;
|
|---|
| 579 | int sprite_top;
|
|---|
| 580 | int sprite_brightness_change;
|
|---|
| 581 | int num_sprite_warping_points;
|
|---|
| 582 | int real_sprite_warping_points;
|
|---|
| 583 | int sprite_offset[2][2]; ///< sprite offset[isChroma][isMVY]
|
|---|
| 584 | int sprite_delta[2][2]; ///< sprite_delta [isY][isMVY]
|
|---|
| 585 | int sprite_shift[2]; ///< sprite shift [isChroma]
|
|---|
| 586 | int mcsel;
|
|---|
| 587 | int quant_precision;
|
|---|
| 588 | int quarter_sample; ///< 1->qpel, 0->half pel ME/MC
|
|---|
| 589 | int scalability;
|
|---|
| 590 | int hierachy_type;
|
|---|
| 591 | int enhancement_type;
|
|---|
| 592 | int new_pred;
|
|---|
| 593 | int reduced_res_vop;
|
|---|
| 594 | int aspect_ratio_info; //FIXME remove
|
|---|
| 595 | int sprite_warping_accuracy;
|
|---|
| 596 | int low_latency_sprite;
|
|---|
| 597 | int data_partitioning; ///< data partitioning flag from header
|
|---|
| 598 | int partitioned_frame; ///< is current frame partitioned
|
|---|
| 599 | int rvlc; ///< reversible vlc
|
|---|
| 600 | int resync_marker; ///< could this stream contain resync markers
|
|---|
| 601 | int low_delay; ///< no reordering needed / has no b-frames
|
|---|
| 602 | int vo_type;
|
|---|
| 603 | int vol_control_parameters; ///< does the stream contain the low_delay flag, used to workaround buggy encoders
|
|---|
| 604 | int intra_dc_threshold; ///< QP above whch the ac VLC should be used for intra dc
|
|---|
| 605 | int use_intra_dc_vlc;
|
|---|
| 606 | PutBitContext tex_pb; ///< used for data partitioned VOPs
|
|---|
| 607 | PutBitContext pb2; ///< used for data partitioned VOPs
|
|---|
| 608 | int mpeg_quant;
|
|---|
| 609 | int t_frame; ///< time distance of first I -> B, used for interlaced b frames
|
|---|
| 610 | int padding_bug_score; ///< used to detect the VERY common padding bug in MPEG4
|
|---|
| 611 |
|
|---|
| 612 | /* divx specific, used to workaround (many) bugs in divx5 */
|
|---|
| 613 | int divx_version;
|
|---|
| 614 | int divx_build;
|
|---|
| 615 | int divx_packed;
|
|---|
| 616 | uint8_t *bitstream_buffer; //Divx 5.01 puts several frames in a single one, this is used to reorder them
|
|---|
| 617 | int bitstream_buffer_size;
|
|---|
| 618 | unsigned int allocated_bitstream_buffer_size;
|
|---|
| 619 |
|
|---|
| 620 | int xvid_build;
|
|---|
| 621 |
|
|---|
| 622 | /* lavc specific stuff, used to workaround bugs in libavcodec */
|
|---|
| 623 | int lavc_build;
|
|---|
| 624 |
|
|---|
| 625 | /* RV10 specific */
|
|---|
| 626 | int rv10_version; ///< RV10 version: 0 or 3
|
|---|
| 627 | int rv10_first_dc_coded[3];
|
|---|
| 628 |
|
|---|
| 629 | /* MJPEG specific */
|
|---|
| 630 | struct MJpegContext *mjpeg_ctx;
|
|---|
| 631 | int mjpeg_vsample[3]; ///< vertical sampling factors, default = {2, 1, 1}
|
|---|
| 632 | int mjpeg_hsample[3]; ///< horizontal sampling factors, default = {2, 1, 1}
|
|---|
| 633 | int mjpeg_write_tables; ///< do we want to have quantisation- and huffmantables in the jpeg file ?
|
|---|
| 634 | int mjpeg_data_only_frames; ///< frames only with SOI, SOS and EOI markers
|
|---|
| 635 |
|
|---|
| 636 | /* MSMPEG4 specific */
|
|---|
| 637 | int mv_table_index;
|
|---|
| 638 | int rl_table_index;
|
|---|
| 639 | int rl_chroma_table_index;
|
|---|
| 640 | int dc_table_index;
|
|---|
| 641 | int use_skip_mb_code;
|
|---|
| 642 | int slice_height; ///< in macroblocks
|
|---|
| 643 | int first_slice_line; ///< used in mpeg4 too to handle resync markers
|
|---|
| 644 | int flipflop_rounding;
|
|---|
| 645 | int msmpeg4_version; ///< 0=not msmpeg4, 1=mp41, 2=mp42, 3=mp43/divx3 4=wmv1/7 5=wmv2/8
|
|---|
| 646 | int per_mb_rl_table;
|
|---|
| 647 | int esc3_level_length;
|
|---|
| 648 | int esc3_run_length;
|
|---|
| 649 | /** [mb_intra][isChroma][level][run][last] */
|
|---|
| 650 | int (*ac_stats)[2][MAX_LEVEL+1][MAX_RUN+1][2];
|
|---|
| 651 | int inter_intra_pred;
|
|---|
| 652 | int mspel;
|
|---|
| 653 |
|
|---|
| 654 | /* decompression specific */
|
|---|
| 655 | GetBitContext gb;
|
|---|
| 656 |
|
|---|
| 657 | /* Mpeg1 specific */
|
|---|
| 658 | int gop_picture_number; ///< index of the first picture of a GOP based on fake_pic_num & mpeg1 specific
|
|---|
| 659 | int last_mv_dir; ///< last mv_dir, used for b frame encoding
|
|---|
| 660 | int broken_link; ///< no_output_of_prior_pics_flag
|
|---|
| 661 | uint8_t *vbv_delay_ptr; ///< pointer to vbv_delay in the bitstream
|
|---|
| 662 |
|
|---|
| 663 | /* MPEG2 specific - I wish I had not to support this mess. */
|
|---|
| 664 | int progressive_sequence;
|
|---|
| 665 | int mpeg_f_code[2][2];
|
|---|
| 666 | int picture_structure;
|
|---|
| 667 | /* picture type */
|
|---|
| 668 | #define PICT_TOP_FIELD 1
|
|---|
| 669 | #define PICT_BOTTOM_FIELD 2
|
|---|
| 670 | #define PICT_FRAME 3
|
|---|
| 671 |
|
|---|
| 672 | int intra_dc_precision;
|
|---|
| 673 | int frame_pred_frame_dct;
|
|---|
| 674 | int top_field_first;
|
|---|
| 675 | int concealment_motion_vectors;
|
|---|
| 676 | int q_scale_type;
|
|---|
| 677 | int intra_vlc_format;
|
|---|
| 678 | int alternate_scan;
|
|---|
| 679 | int repeat_first_field;
|
|---|
| 680 | int chroma_420_type;
|
|---|
| 681 | int chroma_format;
|
|---|
| 682 | #define CHROMA_420 1
|
|---|
| 683 | #define CHROMA_422 2
|
|---|
| 684 | #define CHROMA_444 3
|
|---|
| 685 | int chroma_x_shift;//depend on pix_format, that depend on chroma_format
|
|---|
| 686 | int chroma_y_shift;
|
|---|
| 687 |
|
|---|
| 688 | int progressive_frame;
|
|---|
| 689 | int full_pel[2];
|
|---|
| 690 | int interlaced_dct;
|
|---|
| 691 | int first_slice;
|
|---|
| 692 | int first_field; ///< is 1 for the first field of a field picture 0 otherwise
|
|---|
| 693 |
|
|---|
| 694 | /* RTP specific */
|
|---|
| 695 | int rtp_mode;
|
|---|
| 696 |
|
|---|
| 697 | uint8_t *ptr_lastgob;
|
|---|
| 698 | int swap_uv;//vcr2 codec is mpeg2 varint with UV swaped
|
|---|
| 699 | short * pblocks[12];
|
|---|
| 700 |
|
|---|
| 701 | DCTELEM (*block)[64]; ///< points to one of the following blocks
|
|---|
| 702 | DCTELEM (*blocks)[8][64]; // for HQ mode we need to keep the best block
|
|---|
| 703 | int (*decode_mb)(struct MpegEncContext *s, DCTELEM block[6][64]); // used by some codecs to avoid a switch()
|
|---|
| 704 | #define SLICE_OK 0
|
|---|
| 705 | #define SLICE_ERROR -1
|
|---|
| 706 | #define SLICE_END -2 ///<end marker found
|
|---|
| 707 | #define SLICE_NOEND -3 ///<no end marker or error found but mb count exceeded
|
|---|
| 708 |
|
|---|
| 709 | void (*dct_unquantize_mpeg1_intra)(struct MpegEncContext *s,
|
|---|
| 710 | DCTELEM *block/*align 16*/, int n, int qscale);
|
|---|
| 711 | void (*dct_unquantize_mpeg1_inter)(struct MpegEncContext *s,
|
|---|
| 712 | DCTELEM *block/*align 16*/, int n, int qscale);
|
|---|
| 713 | void (*dct_unquantize_mpeg2_intra)(struct MpegEncContext *s,
|
|---|
| 714 | DCTELEM *block/*align 16*/, int n, int qscale);
|
|---|
| 715 | void (*dct_unquantize_mpeg2_inter)(struct MpegEncContext *s,
|
|---|
| 716 | DCTELEM *block/*align 16*/, int n, int qscale);
|
|---|
| 717 | void (*dct_unquantize_h263_intra)(struct MpegEncContext *s,
|
|---|
| 718 | DCTELEM *block/*align 16*/, int n, int qscale);
|
|---|
| 719 | void (*dct_unquantize_h263_inter)(struct MpegEncContext *s,
|
|---|
| 720 | DCTELEM *block/*align 16*/, int n, int qscale);
|
|---|
| 721 | void (*dct_unquantize_h261_intra)(struct MpegEncContext *s,
|
|---|
| 722 | DCTELEM *block/*align 16*/, int n, int qscale);
|
|---|
| 723 | void (*dct_unquantize_h261_inter)(struct MpegEncContext *s,
|
|---|
| 724 | DCTELEM *block/*align 16*/, int n, int qscale);
|
|---|
| 725 | void (*dct_unquantize_intra)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
|
|---|
| 726 | DCTELEM *block/*align 16*/, int n, int qscale);
|
|---|
| 727 | void (*dct_unquantize_inter)(struct MpegEncContext *s, // unquantizer to use (mpeg4 can use both)
|
|---|
| 728 | DCTELEM *block/*align 16*/, int n, int qscale);
|
|---|
| 729 | int (*dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
|
|---|
| 730 | int (*fast_dct_quantize)(struct MpegEncContext *s, DCTELEM *block/*align 16*/, int n, int qscale, int *overflow);
|
|---|
| 731 | void (*denoise_dct)(struct MpegEncContext *s, DCTELEM *block);
|
|---|
| 732 | } MpegEncContext;
|
|---|
| 733 |
|
|---|
| 734 |
|
|---|
| 735 | int DCT_common_init(MpegEncContext *s);
|
|---|
| 736 | void MPV_decode_defaults(MpegEncContext *s);
|
|---|
| 737 | int MPV_common_init(MpegEncContext *s);
|
|---|
| 738 | void MPV_common_end(MpegEncContext *s);
|
|---|
| 739 | void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]);
|
|---|
| 740 | int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx);
|
|---|
| 741 | void MPV_frame_end(MpegEncContext *s);
|
|---|
| 742 | int MPV_encode_init(AVCodecContext *avctx);
|
|---|
| 743 | int MPV_encode_end(AVCodecContext *avctx);
|
|---|
| 744 | int MPV_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data);
|
|---|
| 745 | #ifdef HAVE_MMX
|
|---|
| 746 | void MPV_common_init_mmx(MpegEncContext *s);
|
|---|
| 747 | #endif
|
|---|
| 748 | #ifdef ARCH_ALPHA
|
|---|
| 749 | void MPV_common_init_axp(MpegEncContext *s);
|
|---|
| 750 | #endif
|
|---|
| 751 | #ifdef HAVE_MLIB
|
|---|
| 752 | void MPV_common_init_mlib(MpegEncContext *s);
|
|---|
| 753 | #endif
|
|---|
| 754 | #ifdef HAVE_MMI
|
|---|
| 755 | void MPV_common_init_mmi(MpegEncContext *s);
|
|---|
| 756 | #endif
|
|---|
| 757 | #ifdef ARCH_ARMV4L
|
|---|
| 758 | void MPV_common_init_armv4l(MpegEncContext *s);
|
|---|
| 759 | #endif
|
|---|
| 760 | #ifdef ARCH_POWERPC
|
|---|
| 761 | void MPV_common_init_ppc(MpegEncContext *s);
|
|---|
| 762 | #endif
|
|---|
| 763 | extern void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w);
|
|---|
| 764 | void ff_copy_bits(PutBitContext *pb, uint8_t *src, int length);
|
|---|
| 765 | void ff_clean_intra_table_entries(MpegEncContext *s);
|
|---|
| 766 | void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
|
|---|
| 767 | void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
|
|---|
| 768 | void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h,
|
|---|
| 769 | int src_x, int src_y, int w, int h);
|
|---|
| 770 | #define END_NOT_FOUND -100
|
|---|
| 771 | int ff_combine_frame(ParseContext *pc, int next, uint8_t **buf, int *buf_size);
|
|---|
| 772 | void ff_parse_close(AVCodecParserContext *s);
|
|---|
| 773 | void ff_mpeg_flush(AVCodecContext *avctx);
|
|---|
| 774 | void ff_print_debug_info(MpegEncContext *s, AVFrame *pict);
|
|---|
| 775 | void ff_write_quant_matrix(PutBitContext *pb, int16_t *matrix);
|
|---|
| 776 | int ff_find_unused_picture(MpegEncContext *s, int shared);
|
|---|
| 777 | void ff_denoise_dct(MpegEncContext *s, DCTELEM *block);
|
|---|
| 778 | void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src);
|
|---|
| 779 | const uint8_t *ff_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state);
|
|---|
| 780 |
|
|---|
| 781 | void ff_er_frame_start(MpegEncContext *s);
|
|---|
| 782 | void ff_er_frame_end(MpegEncContext *s);
|
|---|
| 783 | void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int endy, int status);
|
|---|
| 784 |
|
|---|
| 785 |
|
|---|
| 786 | extern enum PixelFormat ff_yuv420p_list[2];
|
|---|
| 787 |
|
|---|
| 788 | void ff_init_block_index(MpegEncContext *s);
|
|---|
| 789 |
|
|---|
| 790 | static inline void ff_update_block_index(MpegEncContext *s){
|
|---|
| 791 | const int block_size= 8>>s->avctx->lowres;
|
|---|
| 792 |
|
|---|
| 793 | s->block_index[0]+=2;
|
|---|
| 794 | s->block_index[1]+=2;
|
|---|
| 795 | s->block_index[2]+=2;
|
|---|
| 796 | s->block_index[3]+=2;
|
|---|
| 797 | s->block_index[4]++;
|
|---|
| 798 | s->block_index[5]++;
|
|---|
| 799 | s->dest[0]+= 2*block_size;
|
|---|
| 800 | s->dest[1]+= block_size;
|
|---|
| 801 | s->dest[2]+= block_size;
|
|---|
| 802 | }
|
|---|
| 803 |
|
|---|
| 804 | static inline int get_bits_diff(MpegEncContext *s){
|
|---|
| 805 | const int bits= put_bits_count(&s->pb);
|
|---|
| 806 | const int last= s->last_bits;
|
|---|
| 807 |
|
|---|
| 808 | s->last_bits = bits;
|
|---|
| 809 |
|
|---|
| 810 | return bits - last;
|
|---|
| 811 | }
|
|---|
| 812 |
|
|---|
| 813 | /* motion_est.c */
|
|---|
| 814 | void ff_estimate_p_frame_motion(MpegEncContext * s,
|
|---|
| 815 | int mb_x, int mb_y);
|
|---|
| 816 | void ff_estimate_b_frame_motion(MpegEncContext * s,
|
|---|
| 817 | int mb_x, int mb_y);
|
|---|
| 818 | int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type);
|
|---|
| 819 | void ff_fix_long_p_mvs(MpegEncContext * s);
|
|---|
| 820 | void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select,
|
|---|
| 821 | int16_t (*mv_table)[2], int f_code, int type, int truncate);
|
|---|
| 822 | void ff_init_me(MpegEncContext *s);
|
|---|
| 823 | int ff_pre_estimate_p_frame_motion(MpegEncContext * s, int mb_x, int mb_y);
|
|---|
| 824 | inline int ff_epzs_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr,
|
|---|
| 825 | int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
|
|---|
| 826 | int ref_mv_scale, int size, int h);
|
|---|
| 827 | int inline ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index,
|
|---|
| 828 | int ref_index, int size, int h, int add_rate);
|
|---|
| 829 |
|
|---|
| 830 | /* mpeg12.c */
|
|---|
| 831 | extern const int16_t ff_mpeg1_default_intra_matrix[64];
|
|---|
| 832 | extern const int16_t ff_mpeg1_default_non_intra_matrix[64];
|
|---|
| 833 | extern const uint8_t ff_mpeg1_dc_scale_table[128];
|
|---|
| 834 |
|
|---|
| 835 | void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
|
|---|
| 836 | void mpeg1_encode_mb(MpegEncContext *s,
|
|---|
| 837 | DCTELEM block[6][64],
|
|---|
| 838 | int motion_x, int motion_y);
|
|---|
| 839 | void ff_mpeg1_encode_init(MpegEncContext *s);
|
|---|
| 840 | void ff_mpeg1_encode_slice_header(MpegEncContext *s);
|
|---|
| 841 | void ff_mpeg1_clean_buffers(MpegEncContext *s);
|
|---|
| 842 | int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size);
|
|---|
| 843 |
|
|---|
| 844 |
|
|---|
| 845 | /** RLTable. */
|
|---|
| 846 | typedef struct RLTable {
|
|---|
| 847 | int n; ///< number of entries of table_vlc minus 1
|
|---|
| 848 | int last; ///< number of values for last = 0
|
|---|
| 849 | const uint16_t (*table_vlc)[2];
|
|---|
| 850 | const int8_t *table_run;
|
|---|
| 851 | const int8_t *table_level;
|
|---|
| 852 | uint8_t *index_run[2]; ///< encoding only
|
|---|
| 853 | int8_t *max_level[2]; ///< encoding & decoding
|
|---|
| 854 | int8_t *max_run[2]; ///< encoding & decoding
|
|---|
| 855 | VLC vlc; ///< decoding only deprected FIXME remove
|
|---|
| 856 | RL_VLC_ELEM *rl_vlc[32]; ///< decoding only
|
|---|
| 857 | } RLTable;
|
|---|
| 858 |
|
|---|
| 859 | void init_rl(RLTable *rl, int use_static);
|
|---|
| 860 | void init_vlc_rl(RLTable *rl, int use_static);
|
|---|
| 861 |
|
|---|
| 862 | static inline int get_rl_index(const RLTable *rl, int last, int run, int level)
|
|---|
| 863 | {
|
|---|
| 864 | int index;
|
|---|
| 865 | index = rl->index_run[last][run];
|
|---|
| 866 | if (index >= rl->n)
|
|---|
| 867 | return rl->n;
|
|---|
| 868 | if (level > rl->max_level[last][run])
|
|---|
| 869 | return rl->n;
|
|---|
| 870 | return index + level - 1;
|
|---|
| 871 | }
|
|---|
| 872 |
|
|---|
| 873 | extern const uint8_t ff_mpeg4_y_dc_scale_table[32];
|
|---|
| 874 | extern const uint8_t ff_mpeg4_c_dc_scale_table[32];
|
|---|
| 875 | extern const uint8_t ff_aic_dc_scale_table[32];
|
|---|
| 876 | extern const int16_t ff_mpeg4_default_intra_matrix[64];
|
|---|
| 877 | extern const int16_t ff_mpeg4_default_non_intra_matrix[64];
|
|---|
| 878 | extern const uint8_t ff_h263_chroma_qscale_table[32];
|
|---|
| 879 | extern const uint8_t ff_h263_loop_filter_strength[32];
|
|---|
| 880 |
|
|---|
| 881 | /* h261.c */
|
|---|
| 882 | void ff_h261_loop_filter(MpegEncContext *s);
|
|---|
| 883 | void ff_h261_reorder_mb_index(MpegEncContext* s);
|
|---|
| 884 | void ff_h261_encode_mb(MpegEncContext *s,
|
|---|
| 885 | DCTELEM block[6][64],
|
|---|
| 886 | int motion_x, int motion_y);
|
|---|
| 887 | void ff_h261_encode_picture_header(MpegEncContext * s, int picture_number);
|
|---|
| 888 | void ff_h261_encode_init(MpegEncContext *s);
|
|---|
| 889 |
|
|---|
| 890 |
|
|---|
| 891 | /* h263.c, h263dec.c */
|
|---|
| 892 | int ff_h263_decode_init(AVCodecContext *avctx);
|
|---|
| 893 | int ff_h263_decode_frame(AVCodecContext *avctx,
|
|---|
| 894 | void *data, int *data_size,
|
|---|
| 895 | uint8_t *buf, int buf_size);
|
|---|
| 896 | int ff_h263_decode_end(AVCodecContext *avctx);
|
|---|
| 897 | void h263_encode_mb(MpegEncContext *s,
|
|---|
| 898 | DCTELEM block[6][64],
|
|---|
| 899 | int motion_x, int motion_y);
|
|---|
| 900 | void mpeg4_encode_mb(MpegEncContext *s,
|
|---|
| 901 | DCTELEM block[6][64],
|
|---|
| 902 | int motion_x, int motion_y);
|
|---|
| 903 | void h263_encode_picture_header(MpegEncContext *s, int picture_number);
|
|---|
| 904 | void ff_flv_encode_picture_header(MpegEncContext *s, int picture_number);
|
|---|
| 905 | void h263_encode_gob_header(MpegEncContext * s, int mb_line);
|
|---|
| 906 | int16_t *h263_pred_motion(MpegEncContext * s, int block, int dir,
|
|---|
| 907 | int *px, int *py);
|
|---|
| 908 | void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
|
|---|
| 909 | int dir);
|
|---|
| 910 | void ff_set_mpeg4_time(MpegEncContext * s, int picture_number);
|
|---|
| 911 | void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
|
|---|
| 912 | void h263_encode_init(MpegEncContext *s);
|
|---|
| 913 | void h263_decode_init_vlc(MpegEncContext *s);
|
|---|
| 914 | int h263_decode_picture_header(MpegEncContext *s);
|
|---|
| 915 | int ff_h263_decode_gob_header(MpegEncContext *s);
|
|---|
| 916 | int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb);
|
|---|
| 917 | void ff_h263_update_motion_val(MpegEncContext * s);
|
|---|
| 918 | void ff_h263_loop_filter(MpegEncContext * s);
|
|---|
| 919 | void ff_set_qscale(MpegEncContext * s, int qscale);
|
|---|
| 920 | int ff_h263_decode_mba(MpegEncContext *s);
|
|---|
| 921 | void ff_h263_encode_mba(MpegEncContext *s);
|
|---|
| 922 |
|
|---|
| 923 | int intel_h263_decode_picture_header(MpegEncContext *s);
|
|---|
| 924 | int flv_h263_decode_picture_header(MpegEncContext *s);
|
|---|
| 925 | int ff_h263_decode_mb(MpegEncContext *s,
|
|---|
| 926 | DCTELEM block[6][64]);
|
|---|
| 927 | int ff_mpeg4_decode_mb(MpegEncContext *s,
|
|---|
| 928 | DCTELEM block[6][64]);
|
|---|
| 929 | int h263_get_picture_format(int width, int height);
|
|---|
| 930 | void ff_mpeg4_encode_video_packet_header(MpegEncContext *s);
|
|---|
| 931 | void ff_mpeg4_clean_buffers(MpegEncContext *s);
|
|---|
| 932 | void ff_mpeg4_stuffing(PutBitContext * pbc);
|
|---|
| 933 | void ff_mpeg4_init_partitions(MpegEncContext *s);
|
|---|
| 934 | void ff_mpeg4_merge_partitions(MpegEncContext *s);
|
|---|
| 935 | void ff_clean_mpeg4_qscales(MpegEncContext *s);
|
|---|
| 936 | void ff_clean_h263_qscales(MpegEncContext *s);
|
|---|
| 937 | int ff_mpeg4_decode_partitions(MpegEncContext *s);
|
|---|
| 938 | int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
|
|---|
| 939 | int ff_h263_resync(MpegEncContext *s);
|
|---|
| 940 | int ff_h263_get_gob_height(MpegEncContext *s);
|
|---|
| 941 | int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my);
|
|---|
| 942 | int ff_h263_round_chroma(int x);
|
|---|
| 943 | void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code);
|
|---|
| 944 | int ff_mpeg4_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size);
|
|---|
| 945 |
|
|---|
| 946 |
|
|---|
| 947 | /* rv10.c */
|
|---|
| 948 | void rv10_encode_picture_header(MpegEncContext *s, int picture_number);
|
|---|
| 949 | int rv_decode_dc(MpegEncContext *s, int n);
|
|---|
| 950 | void rv20_encode_picture_header(MpegEncContext *s, int picture_number);
|
|---|
| 951 |
|
|---|
| 952 |
|
|---|
| 953 | /* msmpeg4.c */
|
|---|
| 954 | void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number);
|
|---|
| 955 | void msmpeg4_encode_ext_header(MpegEncContext * s);
|
|---|
| 956 | void msmpeg4_encode_mb(MpegEncContext * s,
|
|---|
| 957 | DCTELEM block[6][64],
|
|---|
| 958 | int motion_x, int motion_y);
|
|---|
| 959 | int msmpeg4_decode_picture_header(MpegEncContext * s);
|
|---|
| 960 | int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
|
|---|
| 961 | int ff_msmpeg4_decode_init(MpegEncContext *s);
|
|---|
| 962 | void ff_msmpeg4_encode_init(MpegEncContext *s);
|
|---|
| 963 | int ff_wmv2_decode_picture_header(MpegEncContext * s);
|
|---|
| 964 | int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s);
|
|---|
| 965 | void ff_wmv2_add_mb(MpegEncContext *s, DCTELEM block[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr);
|
|---|
| 966 | void ff_mspel_motion(MpegEncContext *s,
|
|---|
| 967 | uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
|
|---|
| 968 | uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
|
|---|
| 969 | int motion_x, int motion_y, int h);
|
|---|
| 970 | int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number);
|
|---|
| 971 | void ff_wmv2_encode_mb(MpegEncContext * s,
|
|---|
| 972 | DCTELEM block[6][64],
|
|---|
| 973 | int motion_x, int motion_y);
|
|---|
| 974 |
|
|---|
| 975 | /* mjpeg.c */
|
|---|
| 976 | int mjpeg_init(MpegEncContext *s);
|
|---|
| 977 | void mjpeg_close(MpegEncContext *s);
|
|---|
| 978 | void mjpeg_encode_mb(MpegEncContext *s,
|
|---|
| 979 | DCTELEM block[6][64]);
|
|---|
| 980 | void mjpeg_picture_header(MpegEncContext *s);
|
|---|
| 981 | void mjpeg_picture_trailer(MpegEncContext *s);
|
|---|
| 982 | void ff_mjpeg_stuffing(PutBitContext * pbc);
|
|---|
| 983 |
|
|---|
| 984 |
|
|---|
| 985 | /* rate control */
|
|---|
| 986 | int ff_rate_control_init(MpegEncContext *s);
|
|---|
| 987 | float ff_rate_estimate_qscale(MpegEncContext *s, int dry_run);
|
|---|
| 988 | void ff_write_pass1_stats(MpegEncContext *s);
|
|---|
| 989 | void ff_rate_control_uninit(MpegEncContext *s);
|
|---|
| 990 | double ff_eval(char *s, double *const_value, const char **const_name,
|
|---|
| 991 | double (**func1)(void *, double), const char **func1_name,
|
|---|
| 992 | double (**func2)(void *, double, double), char **func2_name,
|
|---|
| 993 | void *opaque);
|
|---|
| 994 | int ff_vbv_update(MpegEncContext *s, int frame_size);
|
|---|
| 995 | void ff_get_2pass_fcode(MpegEncContext *s);
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| 996 |
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| 997 | int ff_xvid_rate_control_init(MpegEncContext *s);
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| 998 | void ff_xvid_rate_control_uninit(MpegEncContext *s);
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| 999 | float ff_xvid_rate_estimate_qscale(MpegEncContext *s, int dry_run);
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| 1000 |
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| 1001 | #endif /* AVCODEC_MPEGVIDEO_H */
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