| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Generic DCT based hybrid video encoder | ||
| 3 | * Copyright (c) 2000, 2001, 2002 Fabrice Bellard | ||
| 4 | * Copyright (c) 2002-2004 Michael Niedermayer | ||
| 5 | * | ||
| 6 | * This file is part of FFmpeg. | ||
| 7 | * | ||
| 8 | * FFmpeg is free software; you can redistribute it and/or | ||
| 9 | * modify it under the terms of the GNU Lesser General Public | ||
| 10 | * License as published by the Free Software Foundation; either | ||
| 11 | * version 2.1 of the License, or (at your option) any later version. | ||
| 12 | * | ||
| 13 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 16 | * Lesser General Public License for more details. | ||
| 17 | * | ||
| 18 | * You should have received a copy of the GNU Lesser General Public | ||
| 19 | * License along with FFmpeg; if not, write to the Free Software | ||
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 21 | */ | ||
| 22 | |||
| 23 | /** | ||
| 24 | * @file | ||
| 25 | * mpegvideo header. | ||
| 26 | */ | ||
| 27 | |||
| 28 | #ifndef AVCODEC_MPEGVIDEOENC_H | ||
| 29 | #define AVCODEC_MPEGVIDEOENC_H | ||
| 30 | |||
| 31 | #include <float.h> | ||
| 32 | |||
| 33 | #include "libavutil/opt.h" | ||
| 34 | #include "mpegvideo.h" | ||
| 35 | |||
| 36 | #define MAX_FCODE 7 | ||
| 37 | #define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level)) | ||
| 38 | #define INPLACE_OFFSET 16 | ||
| 39 | |||
| 40 | /* MB types for encoding */ | ||
| 41 | #define CANDIDATE_MB_TYPE_INTRA (1 << 0) | ||
| 42 | #define CANDIDATE_MB_TYPE_INTER (1 << 1) | ||
| 43 | #define CANDIDATE_MB_TYPE_INTER4V (1 << 2) | ||
| 44 | #define CANDIDATE_MB_TYPE_SKIPPED (1 << 3) | ||
| 45 | |||
| 46 | #define CANDIDATE_MB_TYPE_DIRECT (1 << 4) | ||
| 47 | #define CANDIDATE_MB_TYPE_FORWARD (1 << 5) | ||
| 48 | #define CANDIDATE_MB_TYPE_BACKWARD (1 << 6) | ||
| 49 | #define CANDIDATE_MB_TYPE_BIDIR (1 << 7) | ||
| 50 | |||
| 51 | #define CANDIDATE_MB_TYPE_INTER_I (1 << 8) | ||
| 52 | #define CANDIDATE_MB_TYPE_FORWARD_I (1 << 9) | ||
| 53 | #define CANDIDATE_MB_TYPE_BACKWARD_I (1 << 10) | ||
| 54 | #define CANDIDATE_MB_TYPE_BIDIR_I (1 << 11) | ||
| 55 | |||
| 56 | #define CANDIDATE_MB_TYPE_DIRECT0 (1 << 12) | ||
| 57 | |||
| 58 | /* mpegvideo_enc common options */ | ||
| 59 | #define FF_MPV_FLAG_SKIP_RD 0x0001 | ||
| 60 | #define FF_MPV_FLAG_STRICT_GOP 0x0002 | ||
| 61 | #define FF_MPV_FLAG_QP_RD 0x0004 | ||
| 62 | #define FF_MPV_FLAG_CBP_RD 0x0008 | ||
| 63 | #define FF_MPV_FLAG_NAQ 0x0010 | ||
| 64 | #define FF_MPV_FLAG_MV0 0x0020 | ||
| 65 | |||
| 66 | #define FF_MPV_OPT_CMP_FUNC \ | ||
| 67 | { "sad", "Sum of absolute differences, fast", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_SAD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ | ||
| 68 | { "sse", "Sum of squared errors", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_SSE }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ | ||
| 69 | { "satd", "Sum of absolute Hadamard transformed differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_SATD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ | ||
| 70 | { "dct", "Sum of absolute DCT transformed differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_DCT }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ | ||
| 71 | { "psnr", "Sum of squared quantization errors, low quality", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_PSNR }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ | ||
| 72 | { "bit", "Number of bits needed for the block", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_BIT }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ | ||
| 73 | { "rd", "Rate distortion optimal, slow", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_RD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ | ||
| 74 | { "zero", "Zero", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_ZERO }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ | ||
| 75 | { "vsad", "Sum of absolute vertical differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_VSAD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ | ||
| 76 | { "vsse", "Sum of squared vertical differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_VSSE }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ | ||
| 77 | { "nsse", "Noise preserving sum of squared differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_NSSE }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ | ||
| 78 | { "dct264", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_DCT264 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ | ||
| 79 | { "dctmax", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ | ||
| 80 | { "chroma", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_CHROMA }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ | ||
| 81 | { "msad", "Sum of absolute differences, median predicted", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_MEDIAN_SAD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" } | ||
| 82 | |||
| 83 | #define FF_MPV_OFFSET(x) offsetof(MpegEncContext, x) | ||
| 84 | #define FF_RC_OFFSET(x) offsetof(MpegEncContext, rc_context.x) | ||
| 85 | #define FF_MPV_OPT_FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM) | ||
| 86 | #define FF_MPV_COMMON_OPTS \ | ||
| 87 | FF_MPV_OPT_CMP_FUNC, \ | ||
| 88 | { "mpv_flags", "Flags common for all mpegvideo-based encoders.", FF_MPV_OFFSET(mpv_flags), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "mpv_flags" },\ | ||
| 89 | { "skip_rd", "RD optimal MB level residual skipping", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_SKIP_RD }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "mpv_flags" },\ | ||
| 90 | { "strict_gop", "Strictly enforce gop size", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_STRICT_GOP }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "mpv_flags" },\ | ||
| 91 | { "qp_rd", "Use rate distortion optimization for qp selection", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_QP_RD }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "mpv_flags" },\ | ||
| 92 | { "cbp_rd", "use rate distortion optimization for CBP", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_CBP_RD }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "mpv_flags" },\ | ||
| 93 | { "naq", "normalize adaptive quantization", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_NAQ }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "mpv_flags" },\ | ||
| 94 | { "mv0", "always try a mb with mv=<0,0>", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_MV0 }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "mpv_flags" },\ | ||
| 95 | { "luma_elim_threshold", "single coefficient elimination threshold for luminance (negative values also consider dc coefficient)",\ | ||
| 96 | FF_MPV_OFFSET(luma_elim_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\ | ||
| 97 | { "chroma_elim_threshold", "single coefficient elimination threshold for chrominance (negative values also consider dc coefficient)",\ | ||
| 98 | FF_MPV_OFFSET(chroma_elim_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\ | ||
| 99 | { "quantizer_noise_shaping", NULL, FF_MPV_OFFSET(quantizer_noise_shaping), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FF_MPV_OPT_FLAGS },\ | ||
| 100 | { "error_rate", "Simulate errors in the bitstream to test error concealment.", \ | ||
| 101 | FF_MPV_OFFSET(error_rate), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FF_MPV_OPT_FLAGS },\ | ||
| 102 | {"qsquish", "how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function)", \ | ||
| 103 | FF_RC_OFFSET(qsquish), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, 0, 99, FF_MPV_OPT_FLAGS}, \ | ||
| 104 | {"rc_qmod_amp", "experimental quantizer modulation", FF_RC_OFFSET(qmod_amp), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \ | ||
| 105 | {"rc_qmod_freq", "experimental quantizer modulation", FF_RC_OFFSET(qmod_freq), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS}, \ | ||
| 106 | {"rc_eq", "Set rate control equation. When computing the expression, besides the standard functions " \ | ||
| 107 | "defined in the section 'Expression Evaluation', the following functions are available: " \ | ||
| 108 | "bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv " \ | ||
| 109 | "fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.", \ | ||
| 110 | FF_RC_OFFSET(rc_eq), AV_OPT_TYPE_STRING, .flags = FF_MPV_OPT_FLAGS }, \ | ||
| 111 | {"rc_init_cplx", "initial complexity for 1-pass encoding", FF_RC_OFFSET(initial_cplx), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \ | ||
| 112 | {"rc_buf_aggressivity", "currently useless", FF_RC_OFFSET(buffer_aggressivity), AV_OPT_TYPE_FLOAT, {.dbl = 1.0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \ | ||
| 113 | {"border_mask", "increase the quantizer for macroblocks close to borders", FF_MPV_OFFSET(border_masking), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \ | ||
| 114 | {"lmin", "minimum Lagrange factor (VBR)", FF_MPV_OFFSET(lmin), AV_OPT_TYPE_INT, {.i64 = 2*FF_QP2LAMBDA }, 0, INT_MAX, FF_MPV_OPT_FLAGS }, \ | ||
| 115 | {"lmax", "maximum Lagrange factor (VBR)", FF_MPV_OFFSET(lmax), AV_OPT_TYPE_INT, {.i64 = 31*FF_QP2LAMBDA }, 0, INT_MAX, FF_MPV_OPT_FLAGS }, \ | ||
| 116 | {"skip_threshold", "Frame skip threshold", FF_MPV_OFFSET(frame_skip_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ | ||
| 117 | {"skip_factor", "Frame skip factor", FF_MPV_OFFSET(frame_skip_factor), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ | ||
| 118 | {"skip_exp", "Frame skip exponent", FF_MPV_OFFSET(frame_skip_exp), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ | ||
| 119 | {"skip_cmp", "Frame skip compare function", FF_MPV_OFFSET(frame_skip_cmp), AV_OPT_TYPE_INT, {.i64 = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ | ||
| 120 | {"sc_threshold", "Scene change threshold", FF_MPV_OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ | ||
| 121 | {"noise_reduction", "Noise reduction", FF_MPV_OFFSET(noise_reduction), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ | ||
| 122 | {"ps", "RTP payload size in bytes", FF_MPV_OFFSET(rtp_payload_size), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ | ||
| 123 | |||
| 124 | #define FF_MPV_COMMON_BFRAME_OPTS \ | ||
| 125 | {"b_strategy", "Strategy to choose between I/P/B-frames", FF_MPV_OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 2, FF_MPV_OPT_FLAGS }, \ | ||
| 126 | {"b_sensitivity", "Adjust sensitivity of b_frame_strategy 1", FF_MPV_OFFSET(b_sensitivity), AV_OPT_TYPE_INT, {.i64 = 40 }, 1, INT_MAX, FF_MPV_OPT_FLAGS }, \ | ||
| 127 | {"brd_scale", "Downscale frames for dynamic B-frame decision", FF_MPV_OFFSET(brd_scale), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 3, FF_MPV_OPT_FLAGS }, | ||
| 128 | |||
| 129 | #define FF_MPV_COMMON_MOTION_EST_OPTS \ | ||
| 130 | {"motion_est", "motion estimation algorithm", FF_MPV_OFFSET(motion_est), AV_OPT_TYPE_INT, {.i64 = FF_ME_EPZS }, FF_ME_ZERO, FF_ME_XONE, FF_MPV_OPT_FLAGS, .unit = "motion_est" }, \ | ||
| 131 | { "zero", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_ZERO }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "motion_est" }, \ | ||
| 132 | { "epzs", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_EPZS }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "motion_est" }, \ | ||
| 133 | { "xone", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_XONE }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "motion_est" }, \ | ||
| 134 | {"mepc", "Motion estimation bitrate penalty compensation (1.0 = 256)", FF_MPV_OFFSET(me_penalty_compensation), AV_OPT_TYPE_INT, {.i64 = 256 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ | ||
| 135 | {"mepre", "pre motion estimation", FF_MPV_OFFSET(me_pre), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ | ||
| 136 | {"intra_penalty", "Penalty for intra blocks in block decision", FF_MPV_OFFSET(intra_penalty), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX/2, FF_MPV_OPT_FLAGS }, \ | ||
| 137 | |||
| 138 | extern const AVClass ff_mpv_enc_class; | ||
| 139 | |||
| 140 | int ff_mpv_encode_init(AVCodecContext *avctx); | ||
| 141 | void ff_mpv_encode_init_x86(MpegEncContext *s); | ||
| 142 | |||
| 143 | int ff_mpv_encode_end(AVCodecContext *avctx); | ||
| 144 | int ff_mpv_encode_picture(AVCodecContext *avctx, AVPacket *pkt, | ||
| 145 | const AVFrame *frame, int *got_packet); | ||
| 146 | int ff_mpv_reallocate_putbitbuffer(MpegEncContext *s, size_t threshold, size_t size_increase); | ||
| 147 | |||
| 148 | void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix); | ||
| 149 | |||
| 150 | void ff_dct_encode_init(MpegEncContext *s); | ||
| 151 | void ff_mpvenc_dct_init_mips(MpegEncContext *s); | ||
| 152 | void ff_dct_encode_init_x86(MpegEncContext *s); | ||
| 153 | |||
| 154 | void ff_convert_matrix(MpegEncContext *s, int (*qmat)[64], uint16_t (*qmat16)[2][64], | ||
| 155 | const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra); | ||
| 156 | |||
| 157 | void ff_block_permute(int16_t *block, const uint8_t *permutation, | ||
| 158 | const uint8_t *scantable, int last); | ||
| 159 | |||
| 160 | 5742513 | static inline int get_bits_diff(MpegEncContext *s) | |
| 161 | { | ||
| 162 | 5742513 | const int bits = put_bits_count(&s->pb); | |
| 163 | 5742513 | const int last = s->last_bits; | |
| 164 | |||
| 165 | 5742513 | s->last_bits = bits; | |
| 166 | |||
| 167 | 5742513 | return bits - last; | |
| 168 | } | ||
| 169 | |||
| 170 | #endif | ||
| 171 |