GitList

libavcodec/options.c

78acb9e7	/*
406792e7	* Copyright (c) 2001 Fabrice Bellard
78acb9e7	* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> * * 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 / /*
ba87f080	* @file
78acb9e7	* Options definition for AVCodecContext. */ #include "avcodec.h"
6ed04040	#include "libavutil/opt.h"
78acb9e7	#include <float.h> /* FLT_MIN, FLT_MAX / static const char context_to_name(void* ptr) { AVCodecContext *avc= ptr; if(avc && avc->codec && avc->codec->name) return avc->codec->name; else return "NULL"; }
78440c00	static const AVOption opt_find(void obj, const char name, const char unit, int opt_flags, int search_flags) { AVCodecContext s = obj; AVCodec c = NULL; if (s->priv_data) { if (s->codec->priv_class) return av_opt_find(s->priv_data, name, unit, opt_flags, search_flags); return NULL; } while ((c = av_codec_next(c))) { const AVOption *o; if (c->priv_class && (o = av_opt_find(&c->priv_class, name, unit, opt_flags, search_flags))) return o; } return NULL; }
78acb9e7	#define OFFSET(x) offsetof(AVCodecContext,x) #define DEFAULT 0 //should be NAN but it does not work as it is not a constant in glibc as required by ANSI/ISO C //these names are too long to be readable #define V AV_OPT_FLAG_VIDEO_PARAM #define A AV_OPT_FLAG_AUDIO_PARAM #define S AV_OPT_FLAG_SUBTITLE_PARAM #define E AV_OPT_FLAG_ENCODING_PARAM #define D AV_OPT_FLAG_DECODING_PARAM #define AV_CODEC_DEFAULT_BITRATE 200*1000 static const AVOption options[]={
ffb5a0d5	{"b", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE }, INT_MIN, INT_MAX, V\|E}, {"ab", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, {.dbl = 641000 }, INT_MIN, INT_MAX, A\|E}, {"bt", "set video bitrate tolerance (in bits/s)", OFFSET(bit_rate_tolerance), FF_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE20 }, 1, INT_MAX, V\|E}, {"flags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, 0, UINT_MAX, V\|A\|E\|D, "flags"}, {"mv4", "use four motion vector by macroblock (mpeg4)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_4MV }, INT_MIN, INT_MAX, V\|E, "flags"}, {"obmc", "use overlapped block motion compensation (h263+)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_OBMC }, INT_MIN, INT_MAX, V\|E, "flags"}, {"qpel", "use 1/4 pel motion compensation", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_QPEL }, INT_MIN, INT_MAX, V\|E, "flags"}, {"loop", "use loop filter", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_LOOP_FILTER }, INT_MIN, INT_MAX, V\|E, "flags"}, {"qscale", "use fixed qscale", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_QSCALE }, INT_MIN, INT_MAX, 0, "flags"}, {"gmc", "use gmc", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_GMC }, INT_MIN, INT_MAX, V\|E, "flags"}, {"mv0", "always try a mb with mv=<0,0>", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_MV0 }, INT_MIN, INT_MAX, V\|E, "flags"}, {"part", "use data partitioning", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_PART }, INT_MIN, INT_MAX, V\|E, "flags"}, {"input_preserved", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_INPUT_PRESERVED }, INT_MIN, INT_MAX, 0, "flags"}, {"pass1", "use internal 2pass ratecontrol in first pass mode", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_PASS1 }, INT_MIN, INT_MAX, 0, "flags"}, {"pass2", "use internal 2pass ratecontrol in second pass mode", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_PASS2 }, INT_MIN, INT_MAX, 0, "flags"}, {"extern_huff", "use external huffman table (for mjpeg)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_EXTERN_HUFF }, INT_MIN, INT_MAX, 0, "flags"}, {"gray", "only decode/encode grayscale", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_GRAY }, INT_MIN, INT_MAX, V\|E\|D, "flags"}, {"emu_edge", "don't draw edges", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_EMU_EDGE }, INT_MIN, INT_MAX, 0, "flags"}, {"psnr", "error[?] variables will be set during encoding", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_PSNR }, INT_MIN, INT_MAX, V\|E, "flags"}, {"truncated", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_TRUNCATED }, INT_MIN, INT_MAX, 0, "flags"}, {"naq", "normalize adaptive quantization", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_NORMALIZE_AQP }, INT_MIN, INT_MAX, V\|E, "flags"}, {"ildct", "use interlaced dct", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_INTERLACED_DCT }, INT_MIN, INT_MAX, V\|E, "flags"}, {"low_delay", "force low delay", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_LOW_DELAY }, INT_MIN, INT_MAX, V\|D\|E, "flags"}, {"alt", "enable alternate scantable (mpeg2/mpeg4)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_ALT_SCAN }, INT_MIN, INT_MAX, V\|E, "flags"}, {"global_header", "place global headers in extradata instead of every keyframe", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_GLOBAL_HEADER }, INT_MIN, INT_MAX, V\|A\|E, "flags"}, {"bitexact", "use only bitexact stuff (except (i)dct)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_BITEXACT }, INT_MIN, INT_MAX, A\|V\|S\|D\|E, "flags"}, {"aic", "h263 advanced intra coding / mpeg4 ac prediction", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_AC_PRED }, INT_MIN, INT_MAX, V\|E, "flags"}, {"umv", "use unlimited motion vectors", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_H263P_UMV }, INT_MIN, INT_MAX, V\|E, "flags"}, {"cbp", "use rate distortion optimization for cbp", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_CBP_RD }, INT_MIN, INT_MAX, V\|E, "flags"}, {"qprd", "use rate distortion optimization for qp selection", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_QP_RD }, INT_MIN, INT_MAX, V\|E, "flags"}, {"aiv", "h263 alternative inter vlc", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_H263P_AIV }, INT_MIN, INT_MAX, V\|E, "flags"}, {"slice", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_H263P_SLICE_STRUCT }, INT_MIN, INT_MAX, V\|E, "flags"}, {"ilme", "interlaced motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_INTERLACED_ME }, INT_MIN, INT_MAX, V\|E, "flags"}, {"scan_offset", "will reserve space for svcd scan offset user data", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_SVCD_SCAN_OFFSET }, INT_MIN, INT_MAX, V\|E, "flags"}, {"cgop", "closed gop", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_CLOSED_GOP }, INT_MIN, INT_MAX, V\|E, "flags"}, {"fast", "allow non spec compliant speedup tricks", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_FAST }, INT_MIN, INT_MAX, V\|E, "flags2"}, {"sgop", "strictly enforce gop size", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_STRICT_GOP }, INT_MIN, INT_MAX, V\|E, "flags2"}, {"noout", "skip bitstream encoding", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_NO_OUTPUT }, INT_MIN, INT_MAX, V\|E, "flags2"}, {"local_header", "place global headers at every keyframe instead of in extradata", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_LOCAL_HEADER }, INT_MIN, INT_MAX, V\|E, "flags2"}, {"sub_id", NULL, OFFSET(sub_id), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"me_method", "set motion estimation method", OFFSET(me_method), FF_OPT_TYPE_INT, {.dbl = ME_EPZS }, INT_MIN, INT_MAX, V\|E, "me_method"}, {"zero", "zero motion estimation (fastest)", 0, FF_OPT_TYPE_CONST, {.dbl = ME_ZERO }, INT_MIN, INT_MAX, V\|E, "me_method" }, {"full", "full motion estimation (slowest)", 0, FF_OPT_TYPE_CONST, {.dbl = ME_FULL }, INT_MIN, INT_MAX, V\|E, "me_method" }, {"epzs", "EPZS motion estimation (default)", 0, FF_OPT_TYPE_CONST, {.dbl = ME_EPZS }, INT_MIN, INT_MAX, V\|E, "me_method" }, {"esa", "esa motion estimation (alias for full)", 0, FF_OPT_TYPE_CONST, {.dbl = ME_FULL }, INT_MIN, INT_MAX, V\|E, "me_method" }, {"tesa", "tesa motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = ME_TESA }, INT_MIN, INT_MAX, V\|E, "me_method" }, {"dia", "dia motion estimation (alias for epzs)", 0, FF_OPT_TYPE_CONST, {.dbl = ME_EPZS }, INT_MIN, INT_MAX, V\|E, "me_method" }, {"log", "log motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = ME_LOG }, INT_MIN, INT_MAX, V\|E, "me_method" }, {"phods", "phods motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = ME_PHODS }, INT_MIN, INT_MAX, V\|E, "me_method" }, {"x1", "X1 motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = ME_X1 }, INT_MIN, INT_MAX, V\|E, "me_method" }, {"hex", "hex motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = ME_HEX }, INT_MIN, INT_MAX, V\|E, "me_method" }, {"umh", "umh motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = ME_UMH }, INT_MIN, INT_MAX, V\|E, "me_method" }, {"iter", "iter motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = ME_ITER }, INT_MIN, INT_MAX, V\|E, "me_method" }, {"extradata_size", NULL, OFFSET(extradata_size), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
b6675279	{"time_base", NULL, OFFSET(time_base), FF_OPT_TYPE_RATIONAL, {.dbl = 0}, INT_MIN, INT_MAX},
ffb5a0d5	{"g", "set the group of picture size", OFFSET(gop_size), FF_OPT_TYPE_INT, {.dbl = 12 }, INT_MIN, INT_MAX, V\|E}, {"ar", "set audio sampling rate (in Hz)", OFFSET(sample_rate), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"ac", "set number of audio channels", OFFSET(channels), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"cutoff", "set cutoff bandwidth", OFFSET(cutoff), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, A\|E}, {"frame_size", NULL, OFFSET(frame_size), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, A\|E}, {"frame_number", NULL, OFFSET(frame_number), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"delay", NULL, OFFSET(delay), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
85770f2a	{"qcomp", "video quantizer scale compression (VBR)", OFFSET(qcompress), FF_OPT_TYPE_FLOAT, {.dbl = 0.5 }, -FLT_MAX, FLT_MAX, V\|E}, {"qblur", "video quantizer scale blur (VBR)", OFFSET(qblur), FF_OPT_TYPE_FLOAT, {.dbl = 0.5 }, 0, FLT_MAX, V\|E},
ffb5a0d5	{"qmin", "min video quantizer scale (VBR)", OFFSET(qmin), FF_OPT_TYPE_INT, {.dbl = 2 }, 0, 69, V\|E}, {"qmax", "max video quantizer scale (VBR)", OFFSET(qmax), FF_OPT_TYPE_INT, {.dbl = 31 }, 0, 69, V\|E}, {"qdiff", "max difference between the quantizer scale (VBR)", OFFSET(max_qdiff), FF_OPT_TYPE_INT, {.dbl = 3 }, INT_MIN, INT_MAX, V\|E}, {"bf", "use 'frames' B frames", OFFSET(max_b_frames), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, FF_MAX_B_FRAMES, V\|E},
85770f2a	{"b_qfactor", "qp factor between p and b frames", OFFSET(b_quant_factor), FF_OPT_TYPE_FLOAT, {.dbl = 1.25 }, -FLT_MAX, FLT_MAX, V\|E},
ffb5a0d5	{"rc_strategy", "ratecontrol method", OFFSET(rc_strategy), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"b_strategy", "strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), FF_OPT_TYPE_INT, {.dbl = 0 }, INT_MIN, INT_MAX, V\|E}, {"wpredp", "weighted prediction analysis method", OFFSET(weighted_p_pred), FF_OPT_TYPE_INT, {.dbl = 0 }, INT_MIN, INT_MAX, V\|E}, {"ps", "rtp payload size in bytes", OFFSET(rtp_payload_size), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"mv_bits", NULL, OFFSET(mv_bits), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"header_bits", NULL, OFFSET(header_bits), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"i_tex_bits", NULL, OFFSET(i_tex_bits), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"p_tex_bits", NULL, OFFSET(p_tex_bits), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"i_count", NULL, OFFSET(i_count), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"p_count", NULL, OFFSET(p_count), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"skip_count", NULL, OFFSET(skip_count), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"misc_bits", NULL, OFFSET(misc_bits), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"frame_bits", NULL, OFFSET(frame_bits), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"codec_tag", NULL, OFFSET(codec_tag), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"bug", "workaround not auto detected encoder bugs", OFFSET(workaround_bugs), FF_OPT_TYPE_FLAGS, {.dbl = FF_BUG_AUTODETECT }, INT_MIN, INT_MAX, V\|D, "bug"}, {"autodetect", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_AUTODETECT }, INT_MIN, INT_MAX, V\|D, "bug"}, {"old_msmpeg4", "some old lavc generated msmpeg4v3 files (no autodetection)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_OLD_MSMPEG4 }, INT_MIN, INT_MAX, V\|D, "bug"}, {"xvid_ilace", "Xvid interlacing bug (autodetected if fourcc==XVIX)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_XVID_ILACE }, INT_MIN, INT_MAX, V\|D, "bug"}, {"ump4", "(autodetected if fourcc==UMP4)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_UMP4 }, INT_MIN, INT_MAX, V\|D, "bug"}, {"no_padding", "padding bug (autodetected)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_NO_PADDING }, INT_MIN, INT_MAX, V\|D, "bug"}, {"amv", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_AMV }, INT_MIN, INT_MAX, V\|D, "bug"}, {"ac_vlc", "illegal vlc bug (autodetected per fourcc)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_AC_VLC }, INT_MIN, INT_MAX, V\|D, "bug"}, {"qpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_QPEL_CHROMA }, INT_MIN, INT_MAX, V\|D, "bug"}, {"std_qpel", "old standard qpel (autodetected per fourcc/version)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_STD_QPEL }, INT_MIN, INT_MAX, V\|D, "bug"}, {"qpel_chroma2", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_QPEL_CHROMA2 }, INT_MIN, INT_MAX, V\|D, "bug"}, {"direct_blocksize", "direct-qpel-blocksize bug (autodetected per fourcc/version)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_DIRECT_BLOCKSIZE }, INT_MIN, INT_MAX, V\|D, "bug"}, {"edge", "edge padding bug (autodetected per fourcc/version)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_EDGE }, INT_MIN, INT_MAX, V\|D, "bug"}, {"hpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_HPEL_CHROMA }, INT_MIN, INT_MAX, V\|D, "bug"}, {"dc_clip", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_DC_CLIP }, INT_MIN, INT_MAX, V\|D, "bug"}, {"ms", "workaround various bugs in microsofts broken decoders", 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_MS }, INT_MIN, INT_MAX, V\|D, "bug"}, {"trunc", "trancated frames", 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_TRUNCATED}, INT_MIN, INT_MAX, V\|D, "bug"}, {"lelim", "single coefficient elimination threshold for luminance (negative values also consider dc coefficient)", OFFSET(luma_elim_threshold), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"celim", "single coefficient elimination threshold for chrominance (negative values also consider dc coefficient)", OFFSET(chroma_elim_threshold), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"strict", "how strictly to follow the standards", OFFSET(strict_std_compliance), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, A\|V\|D\|E, "strict"}, {"very", "strictly conform to a older more strict version of the spec or reference software", 0, FF_OPT_TYPE_CONST, {.dbl = FF_COMPLIANCE_VERY_STRICT }, INT_MIN, INT_MAX, V\|D\|E, "strict"}, {"strict", "strictly conform to all the things in the spec no matter what consequences", 0, FF_OPT_TYPE_CONST, {.dbl = FF_COMPLIANCE_STRICT }, INT_MIN, INT_MAX, V\|D\|E, "strict"}, {"normal", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_COMPLIANCE_NORMAL }, INT_MIN, INT_MAX, V\|D\|E, "strict"}, {"unofficial", "allow unofficial extensions", 0, FF_OPT_TYPE_CONST, {.dbl = FF_COMPLIANCE_UNOFFICIAL }, INT_MIN, INT_MAX, V\|D\|E, "strict"}, {"experimental", "allow non standardized experimental things", 0, FF_OPT_TYPE_CONST, {.dbl = FF_COMPLIANCE_EXPERIMENTAL }, INT_MIN, INT_MAX, V\|D\|E, "strict"},
85770f2a	{"b_qoffset", "qp offset between P and B frames", OFFSET(b_quant_offset), FF_OPT_TYPE_FLOAT, {.dbl = 1.25 }, -FLT_MAX, FLT_MAX, V\|E},
ffb5a0d5	{"er", "set error detection aggressivity", OFFSET(error_recognition), FF_OPT_TYPE_INT, {.dbl = FF_ER_CAREFUL }, INT_MIN, INT_MAX, A\|V\|D, "er"}, {"careful", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_CAREFUL }, INT_MIN, INT_MAX, V\|D, "er"}, {"compliant", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_COMPLIANT }, INT_MIN, INT_MAX, V\|D, "er"}, {"aggressive", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_AGGRESSIVE }, INT_MIN, INT_MAX, V\|D, "er"}, {"very_aggressive", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_VERY_AGGRESSIVE }, INT_MIN, INT_MAX, V\|D, "er"}, {"has_b_frames", NULL, OFFSET(has_b_frames), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"block_align", NULL, OFFSET(block_align), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"parse_only", NULL, OFFSET(parse_only), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"mpeg_quant", "use MPEG quantizers instead of H.263", OFFSET(mpeg_quant), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E},
85770f2a	{"stats_out", NULL, OFFSET(stats_out), FF_OPT_TYPE_STRING, {.str = NULL}, CHAR_MIN, CHAR_MAX}, {"stats_in", NULL, OFFSET(stats_in), FF_OPT_TYPE_STRING, {.str = NULL}, CHAR_MIN, CHAR_MAX}, {"qsquish", "how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function)", OFFSET(rc_qsquish), FF_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, 0, 99, V\|E}, {"rc_qmod_amp", "experimental quantizer modulation", OFFSET(rc_qmod_amp), FF_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, -FLT_MAX, FLT_MAX, V\|E},
ffb5a0d5	{"rc_qmod_freq", "experimental quantizer modulation", OFFSET(rc_qmod_freq), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"rc_override_count", NULL, OFFSET(rc_override_count), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
85770f2a	{"rc_eq", "set rate control equation", OFFSET(rc_eq), FF_OPT_TYPE_STRING, {.str = NULL}, CHAR_MIN, CHAR_MAX, V\|E},
ffb5a0d5	{"maxrate", "set max video bitrate tolerance (in bits/s)", OFFSET(rc_max_rate), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"minrate", "set min video bitrate tolerance (in bits/s)", OFFSET(rc_min_rate), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"bufsize", "set ratecontrol buffer size (in bits)", OFFSET(rc_buffer_size), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, A\|V\|E},
85770f2a	{"rc_buf_aggressivity", "currently useless", OFFSET(rc_buffer_aggressivity), FF_OPT_TYPE_FLOAT, {.dbl = 1.0 }, -FLT_MAX, FLT_MAX, V\|E}, {"i_qfactor", "qp factor between P and I frames", OFFSET(i_quant_factor), FF_OPT_TYPE_FLOAT, {.dbl = -0.8 }, -FLT_MAX, FLT_MAX, V\|E}, {"i_qoffset", "qp offset between P and I frames", OFFSET(i_quant_offset), FF_OPT_TYPE_FLOAT, {.dbl = 0.0 }, -FLT_MAX, FLT_MAX, V\|E}, {"rc_init_cplx", "initial complexity for 1-pass encoding", OFFSET(rc_initial_cplx), FF_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, -FLT_MAX, FLT_MAX, V\|E},
ffb5a0d5	{"dct", "DCT algorithm", OFFSET(dct_algo), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, V\|E, "dct"}, {"auto", "autoselect a good one (default)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DCT_AUTO }, INT_MIN, INT_MAX, V\|E, "dct"}, {"fastint", "fast integer", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DCT_FASTINT }, INT_MIN, INT_MAX, V\|E, "dct"}, {"int", "accurate integer", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DCT_INT }, INT_MIN, INT_MAX, V\|E, "dct"}, {"mmx", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DCT_MMX }, INT_MIN, INT_MAX, V\|E, "dct"}, {"mlib", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DCT_MLIB }, INT_MIN, INT_MAX, V\|E, "dct"}, {"altivec", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DCT_ALTIVEC }, INT_MIN, INT_MAX, V\|E, "dct"}, {"faan", "floating point AAN DCT", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DCT_FAAN }, INT_MIN, INT_MAX, V\|E, "dct"},
85770f2a	{"lumi_mask", "compresses bright areas stronger than medium ones", OFFSET(lumi_masking), FF_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, V\|E}, {"tcplx_mask", "temporal complexity masking", OFFSET(temporal_cplx_masking), FF_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, V\|E}, {"scplx_mask", "spatial complexity masking", OFFSET(spatial_cplx_masking), FF_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, V\|E}, {"p_mask", "inter masking", OFFSET(p_masking), FF_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, V\|E}, {"dark_mask", "compresses dark areas stronger than medium ones", OFFSET(dark_masking), FF_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, V\|E},
ffb5a0d5	{"idct", "select IDCT implementation", OFFSET(idct_algo), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, V\|E\|D, "idct"}, {"auto", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_AUTO }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"int", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_INT }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"simple", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLE }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"simplemmx", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLEMMX }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"libmpeg2mmx", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_LIBMPEG2MMX }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"ps2", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_PS2 }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"mlib", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_MLIB }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"arm", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_ARM }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"altivec", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_ALTIVEC }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"sh4", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SH4 }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"simplearm", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLEARM }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"simplearmv5te", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLEARMV5TE }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"simplearmv6", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLEARMV6 }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"simpleneon", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLENEON }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"simplealpha", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLEALPHA }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"h264", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_H264 }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"vp3", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_VP3 }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"ipp", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_IPP }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"xvidmmx", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_XVIDMMX }, INT_MIN, INT_MAX, V\|E\|D, "idct"}, {"faani", "floating point AAN IDCT", 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_FAAN }, INT_MIN, INT_MAX, V\|D\|E, "idct"}, {"slice_count", NULL, OFFSET(slice_count), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"ec", "set error concealment strategy", OFFSET(error_concealment), FF_OPT_TYPE_FLAGS, {.dbl = 3 }, INT_MIN, INT_MAX, V\|D, "ec"}, {"guess_mvs", "iterative motion vector (MV) search (slow)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_EC_GUESS_MVS }, INT_MIN, INT_MAX, V\|D, "ec"}, {"deblock", "use strong deblock filter for damaged MBs", 0, FF_OPT_TYPE_CONST, {.dbl = FF_EC_DEBLOCK }, INT_MIN, INT_MAX, V\|D, "ec"}, {"bits_per_coded_sample", NULL, OFFSET(bits_per_coded_sample), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"pred", "prediction method", OFFSET(prediction_method), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E, "pred"}, {"left", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PRED_LEFT }, INT_MIN, INT_MAX, V\|E, "pred"}, {"plane", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PRED_PLANE }, INT_MIN, INT_MAX, V\|E, "pred"}, {"median", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PRED_MEDIAN }, INT_MIN, INT_MAX, V\|E, "pred"},
b6675279	{"aspect", "sample aspect ratio", OFFSET(sample_aspect_ratio), FF_OPT_TYPE_RATIONAL, {.dbl = 0}, 0, 10, V\|E},
ffb5a0d5	{"debug", "print specific debug info", OFFSET(debug), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, 0, INT_MAX, V\|A\|S\|E\|D, "debug"}, {"pict", "picture info", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_PICT_INFO }, INT_MIN, INT_MAX, V\|D, "debug"}, {"rc", "rate control", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_RC }, INT_MIN, INT_MAX, V\|E, "debug"}, {"bitstream", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_BITSTREAM }, INT_MIN, INT_MAX, V\|D, "debug"}, {"mb_type", "macroblock (MB) type", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_MB_TYPE }, INT_MIN, INT_MAX, V\|D, "debug"}, {"qp", "per-block quantization parameter (QP)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_QP }, INT_MIN, INT_MAX, V\|D, "debug"}, {"mv", "motion vector", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_MV }, INT_MIN, INT_MAX, V\|D, "debug"}, {"dct_coeff", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_DCT_COEFF }, INT_MIN, INT_MAX, V\|D, "debug"}, {"skip", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_SKIP }, INT_MIN, INT_MAX, V\|D, "debug"}, {"startcode", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_STARTCODE }, INT_MIN, INT_MAX, V\|D, "debug"}, {"pts", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_PTS }, INT_MIN, INT_MAX, V\|D, "debug"}, {"er", "error recognition", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_ER }, INT_MIN, INT_MAX, V\|D, "debug"}, {"mmco", "memory management control operations (H.264)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_MMCO }, INT_MIN, INT_MAX, V\|D, "debug"}, {"bugs", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_BUGS }, INT_MIN, INT_MAX, V\|D, "debug"}, {"vis_qp", "visualize quantization parameter (QP), lower QP are tinted greener", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_VIS_QP }, INT_MIN, INT_MAX, V\|D, "debug"}, {"vis_mb_type", "visualize block types", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_VIS_MB_TYPE }, INT_MIN, INT_MAX, V\|D, "debug"}, {"buffers", "picture buffer allocations", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_BUFFERS }, INT_MIN, INT_MAX, V\|D, "debug"}, {"thread_ops", "threading operations", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_THREADS }, INT_MIN, INT_MAX, V\|D, "debug"}, {"vismv", "visualize motion vectors (MVs)", OFFSET(debug_mv), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, V\|D, "debug_mv"}, {"pf", "forward predicted MVs of P-frames", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_VIS_MV_P_FOR }, INT_MIN, INT_MAX, V\|D, "debug_mv"}, {"bf", "forward predicted MVs of B-frames", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_VIS_MV_B_FOR }, INT_MIN, INT_MAX, V\|D, "debug_mv"}, {"bb", "backward predicted MVs of B-frames", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_VIS_MV_B_BACK }, INT_MIN, INT_MAX, V\|D, "debug_mv"}, {"cmp", "full pel me compare function", OFFSET(me_cmp), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"subcmp", "sub pel me compare function", OFFSET(me_sub_cmp), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"mbcmp", "macroblock compare function", OFFSET(mb_cmp), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"ildctcmp", "interlaced dct compare function", OFFSET(ildct_cmp), FF_OPT_TYPE_INT, {.dbl = FF_CMP_VSAD }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"dia_size", "diamond type & size for motion estimation", OFFSET(dia_size), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"last_pred", "amount of motion predictors from the previous frame", OFFSET(last_predictor_count), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"preme", "pre motion estimation", OFFSET(pre_me), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"precmp", "pre motion estimation compare function", OFFSET(me_pre_cmp), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"sad", "sum of absolute differences, fast (default)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_SAD }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"sse", "sum of squared errors", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_SSE }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"satd", "sum of absolute Hadamard transformed differences", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_SATD }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"dct", "sum of absolute DCT transformed differences", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_DCT }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"psnr", "sum of squared quantization errors (avoid, low quality)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_PSNR }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"bit", "number of bits needed for the block", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_BIT }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"rd", "rate distortion optimal, slow", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_RD }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"zero", "0", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_ZERO }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"vsad", "sum of absolute vertical differences", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_VSAD }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"vsse", "sum of squared vertical differences", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_VSSE }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"nsse", "noise preserving sum of squared differences", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_NSSE }, INT_MIN, INT_MAX, V\|E, "cmp_func"},
b250f9c6	#if CONFIG_SNOW_ENCODER
ffb5a0d5	{"w53", "5/3 wavelet, only used in snow", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_W53 }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"w97", "9/7 wavelet, only used in snow", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_W97 }, INT_MIN, INT_MAX, V\|E, "cmp_func"},
78acb9e7	#endif
ffb5a0d5	{"dctmax", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"chroma", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_CHROMA }, INT_MIN, INT_MAX, V\|E, "cmp_func"}, {"pre_dia_size", "diamond type & size for motion estimation pre-pass", OFFSET(pre_dia_size), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"subq", "sub pel motion estimation quality", OFFSET(me_subpel_quality), FF_OPT_TYPE_INT, {.dbl = 8 }, INT_MIN, INT_MAX, V\|E}, {"dtg_active_format", NULL, OFFSET(dtg_active_format), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"me_range", "limit motion vectors range (1023 for DivX player)", OFFSET(me_range), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"ibias", "intra quant bias", OFFSET(intra_quant_bias), FF_OPT_TYPE_INT, {.dbl = FF_DEFAULT_QUANT_BIAS }, INT_MIN, INT_MAX, V\|E}, {"pbias", "inter quant bias", OFFSET(inter_quant_bias), FF_OPT_TYPE_INT, {.dbl = FF_DEFAULT_QUANT_BIAS }, INT_MIN, INT_MAX, V\|E}, {"color_table_id", NULL, OFFSET(color_table_id), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"internal_buffer_count", NULL, OFFSET(internal_buffer_count), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"global_quality", NULL, OFFSET(global_quality), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"coder", NULL, OFFSET(coder_type), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E, "coder"}, {"vlc", "variable length coder / huffman coder", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CODER_TYPE_VLC }, INT_MIN, INT_MAX, V\|E, "coder"}, {"ac", "arithmetic coder", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CODER_TYPE_AC }, INT_MIN, INT_MAX, V\|E, "coder"}, {"raw", "raw (no encoding)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CODER_TYPE_RAW }, INT_MIN, INT_MAX, V\|E, "coder"}, {"rle", "run-length coder", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CODER_TYPE_RLE }, INT_MIN, INT_MAX, V\|E, "coder"}, {"deflate", "deflate-based coder", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CODER_TYPE_DEFLATE }, INT_MIN, INT_MAX, V\|E, "coder"}, {"context", "context model", OFFSET(context_model), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"slice_flags", NULL, OFFSET(slice_flags), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"xvmc_acceleration", NULL, OFFSET(xvmc_acceleration), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"mbd", "macroblock decision algorithm (high quality mode)", OFFSET(mb_decision), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E, "mbd"}, {"simple", "use mbcmp (default)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_MB_DECISION_SIMPLE }, INT_MIN, INT_MAX, V\|E, "mbd"}, {"bits", "use fewest bits", 0, FF_OPT_TYPE_CONST, {.dbl = FF_MB_DECISION_BITS }, INT_MIN, INT_MAX, V\|E, "mbd"}, {"rd", "use best rate distortion", 0, FF_OPT_TYPE_CONST, {.dbl = FF_MB_DECISION_RD }, INT_MIN, INT_MAX, V\|E, "mbd"}, {"stream_codec_tag", NULL, OFFSET(stream_codec_tag), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"sc_threshold", "scene change threshold", OFFSET(scenechange_threshold), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"lmin", "min lagrange factor (VBR)", OFFSET(lmin), FF_OPT_TYPE_INT, {.dbl = 2FF_QP2LAMBDA }, 0, INT_MAX, V\|E}, {"lmax", "max lagrange factor (VBR)", OFFSET(lmax), FF_OPT_TYPE_INT, {.dbl = 31FF_QP2LAMBDA }, 0, INT_MAX, V\|E}, {"nr", "noise reduction", OFFSET(noise_reduction), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"rc_init_occupancy", "number of bits which should be loaded into the rc buffer before decoding starts", OFFSET(rc_initial_buffer_occupancy), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"inter_threshold", NULL, OFFSET(inter_threshold), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"flags2", NULL, OFFSET(flags2), FF_OPT_TYPE_FLAGS, {.dbl = CODEC_FLAG2_FASTPSKIP\|CODEC_FLAG2_BIT_RESERVOIR\|CODEC_FLAG2_PSY\|CODEC_FLAG2_MBTREE }, 0, UINT_MAX, V\|A\|E\|D, "flags2"}, {"error", NULL, OFFSET(error_rate), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E},
4e3945fd	#if FF_API_ANTIALIAS_ALGO
ffb5a0d5	{"antialias", "MP3 antialias algorithm", OFFSET(antialias_algo), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|D, "aa"}, {"auto", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_AA_AUTO }, INT_MIN, INT_MAX, V\|D, "aa"}, {"fastint", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_AA_FASTINT }, INT_MIN, INT_MAX, V\|D, "aa"}, {"int", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_AA_INT }, INT_MIN, INT_MAX, V\|D, "aa"}, {"float", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_AA_FLOAT }, INT_MIN, INT_MAX, V\|D, "aa"},
c9e81d07	#endif
ffb5a0d5	{"qns", "quantizer noise shaping", OFFSET(quantizer_noise_shaping), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"threads", NULL, OFFSET(thread_count), FF_OPT_TYPE_INT, {.dbl = 1 }, INT_MIN, INT_MAX, V\|E\|D}, {"me_threshold", "motion estimaton threshold", OFFSET(me_threshold), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"mb_threshold", "macroblock threshold", OFFSET(mb_threshold), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"dc", "intra_dc_precision", OFFSET(intra_dc_precision), FF_OPT_TYPE_INT, {.dbl = 0 }, INT_MIN, INT_MAX, V\|E}, {"nssew", "nsse weight", OFFSET(nsse_weight), FF_OPT_TYPE_INT, {.dbl = 8 }, INT_MIN, INT_MAX, V\|E}, {"skip_top", "number of macroblock rows at the top which are skipped", OFFSET(skip_top), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|D}, {"skip_bottom", "number of macroblock rows at the bottom which are skipped", OFFSET(skip_bottom), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|D}, {"profile", NULL, OFFSET(profile), FF_OPT_TYPE_INT, {.dbl = FF_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, V\|A\|E, "profile"}, {"unknown", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, V\|A\|E, "profile"}, {"aac_main", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_AAC_MAIN }, INT_MIN, INT_MAX, A\|E, "profile"}, {"aac_low", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_AAC_LOW }, INT_MIN, INT_MAX, A\|E, "profile"}, {"aac_ssr", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_AAC_SSR }, INT_MIN, INT_MAX, A\|E, "profile"}, {"aac_ltp", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_AAC_LTP }, INT_MIN, INT_MAX, A\|E, "profile"}, {"dts", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_DTS }, INT_MIN, INT_MAX, A\|E, "profile"}, {"dts_es", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_DTS_ES }, INT_MIN, INT_MAX, A\|E, "profile"}, {"dts_96_24", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_DTS_96_24 }, INT_MIN, INT_MAX, A\|E, "profile"}, {"dts_hd_hra", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_DTS_HD_HRA }, INT_MIN, INT_MAX, A\|E, "profile"}, {"dts_hd_ma", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_DTS_HD_MA }, INT_MIN, INT_MAX, A\|E, "profile"}, {"level", NULL, OFFSET(level), FF_OPT_TYPE_INT, {.dbl = FF_LEVEL_UNKNOWN }, INT_MIN, INT_MAX, V\|A\|E, "level"}, {"unknown", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_LEVEL_UNKNOWN }, INT_MIN, INT_MAX, V\|A\|E, "level"}, {"lowres", "decode at 1= 1/2, 2=1/4, 3=1/8 resolutions", OFFSET(lowres), FF_OPT_TYPE_INT, {.dbl = 0 }, 0, INT_MAX, V\|A\|D}, {"skip_threshold", "frame skip threshold", OFFSET(frame_skip_threshold), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"skip_factor", "frame skip factor", OFFSET(frame_skip_factor), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"skip_exp", "frame skip exponent", OFFSET(frame_skip_exp), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"skipcmp", "frame skip compare function", OFFSET(frame_skip_cmp), FF_OPT_TYPE_INT, {.dbl = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, V\|E, "cmp_func"},
85770f2a	{"border_mask", "increases the quantizer for macroblocks close to borders", OFFSET(border_masking), FF_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, -FLT_MAX, FLT_MAX, V\|E},
ffb5a0d5	{"mblmin", "min macroblock lagrange factor (VBR)", OFFSET(mb_lmin), FF_OPT_TYPE_INT, {.dbl = FF_QP2LAMBDA * 2 }, 1, FF_LAMBDA_MAX, V\|E}, {"mblmax", "max macroblock lagrange factor (VBR)", OFFSET(mb_lmax), FF_OPT_TYPE_INT, {.dbl = FF_QP2LAMBDA * 31 }, 1, FF_LAMBDA_MAX, V\|E}, {"mepc", "motion estimation bitrate penalty compensation (1.0 = 256)", OFFSET(me_penalty_compensation), FF_OPT_TYPE_INT, {.dbl = 256 }, INT_MIN, INT_MAX, V\|E}, {"skip_loop_filter", NULL, OFFSET(skip_loop_filter), FF_OPT_TYPE_INT, {.dbl = AVDISCARD_DEFAULT }, INT_MIN, INT_MAX, V\|D, "avdiscard"}, {"skip_idct" , NULL, OFFSET(skip_idct) , FF_OPT_TYPE_INT, {.dbl = AVDISCARD_DEFAULT }, INT_MIN, INT_MAX, V\|D, "avdiscard"}, {"skip_frame" , NULL, OFFSET(skip_frame) , FF_OPT_TYPE_INT, {.dbl = AVDISCARD_DEFAULT }, INT_MIN, INT_MAX, V\|D, "avdiscard"}, {"none" , NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AVDISCARD_NONE }, INT_MIN, INT_MAX, V\|D, "avdiscard"}, {"default" , NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AVDISCARD_DEFAULT }, INT_MIN, INT_MAX, V\|D, "avdiscard"}, {"noref" , NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AVDISCARD_NONREF }, INT_MIN, INT_MAX, V\|D, "avdiscard"}, {"bidir" , NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AVDISCARD_BIDIR }, INT_MIN, INT_MAX, V\|D, "avdiscard"}, {"nokey" , NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AVDISCARD_NONKEY }, INT_MIN, INT_MAX, V\|D, "avdiscard"}, {"all" , NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AVDISCARD_ALL }, INT_MIN, INT_MAX, V\|D, "avdiscard"}, {"bidir_refine", "refine the two motion vectors used in bidirectional macroblocks", OFFSET(bidir_refine), FF_OPT_TYPE_INT, {.dbl = 1 }, 0, 4, V\|E}, {"brd_scale", "downscales frames for dynamic B-frame decision", OFFSET(brd_scale), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, 10, V\|E}, {"crf", "enables constant quality mode, and selects the quality (x264/VP8)", OFFSET(crf), FF_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, 0, 63, V\|E}, {"cqp", "constant quantization parameter rate control method", OFFSET(cqp), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, V\|E},
152d3519	{"keyint_min", "minimum interval between IDR-frames", OFFSET(keyint_min), FF_OPT_TYPE_INT, {.dbl = 25 }, INT_MIN, INT_MAX, V\|E}, {"refs", "reference frames to consider for motion compensation", OFFSET(refs), FF_OPT_TYPE_INT, {.dbl = 1 }, INT_MIN, INT_MAX, V\|E},
ffb5a0d5	{"chromaoffset", "chroma qp offset from luma", OFFSET(chromaoffset), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"bframebias", "influences how often B-frames are used", OFFSET(bframebias), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E}, {"trellis", "rate-distortion optimal quantization", OFFSET(trellis), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|A\|E}, {"directpred", "direct mv prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)", OFFSET(directpred), FF_OPT_TYPE_INT, {.dbl = 2 }, INT_MIN, INT_MAX, V\|E}, {"bpyramid", "allows B-frames to be used as references for predicting", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_BPYRAMID }, INT_MIN, INT_MAX, V\|E, "flags2"}, {"wpred", "weighted biprediction for b-frames (H.264)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_WPRED }, INT_MIN, INT_MAX, V\|E, "flags2"}, {"mixed_refs", "one reference per partition, as opposed to one reference per macroblock", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_MIXED_REFS }, INT_MIN, INT_MAX, V\|E, "flags2"}, {"dct8x8", "high profile 8x8 transform (H.264)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_8X8DCT }, INT_MIN, INT_MAX, V\|E, "flags2"}, {"fastpskip", "fast pskip (H.264)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_FASTPSKIP }, INT_MIN, INT_MAX, V\|E, "flags2"}, {"aud", "access unit delimiters (H.264)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_AUD }, INT_MIN, INT_MAX, V\|E, "flags2"}, {"skiprd", "RD optimal MB level residual skipping", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_SKIP_RD }, INT_MIN, INT_MAX, V\|E, "flags2"},
85770f2a	{"complexityblur", "reduce fluctuations in qp (before curve compression)", OFFSET(complexityblur), FF_OPT_TYPE_FLOAT, {.dbl = 20.0 }, FLT_MIN, FLT_MAX, V\|E},
ffb5a0d5	{"deblockalpha", "in-loop deblocking filter alphac0 parameter", OFFSET(deblockalpha), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, -6, 6, V\|E}, {"deblockbeta", "in-loop deblocking filter beta parameter", OFFSET(deblockbeta), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, -6, 6, V\|E}, {"partitions", "macroblock subpartition sizes to consider", OFFSET(partitions), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V\|E, "partitions"}, {"parti4x4", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = X264_PART_I4X4 }, INT_MIN, INT_MAX, V\|E, "partitions"}, {"parti8x8", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = X264_PART_I8X8 }, INT_MIN, INT_MAX, V\|E, "partitions"}, {"partp4x4", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = X264_PART_P4X4 }, INT_MIN, INT_MAX, V\|E, "partitions"}, {"partp8x8", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = X264_PART_P8X8 }, INT_MIN, INT_MAX, V\|E, "partitions"}, {"partb8x8", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = X264_PART_B8X8 }, INT_MIN, INT_MAX, V\|E, "partitions"}, {"sc_factor", "multiplied by qscale for each frame and added to scene_change_score", OFFSET(scenechange_factor), FF_OPT_TYPE_INT, {.dbl = 6 }, 0, INT_MAX, V\|E}, {"mv0_threshold", NULL, OFFSET(mv0_threshold), FF_OPT_TYPE_INT, {.dbl = 256 }, 0, INT_MAX, V\|E}, {"ivlc", "intra vlc table", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_INTRA_VLC }, INT_MIN, INT_MAX, V\|E, "flags2"}, {"b_sensitivity", "adjusts sensitivity of b_frame_strategy 1", OFFSET(b_sensitivity), FF_OPT_TYPE_INT, {.dbl = 40 }, 1, INT_MAX, V\|E}, {"compression_level", NULL, OFFSET(compression_level), FF_OPT_TYPE_INT, {.dbl = FF_COMPRESSION_DEFAULT }, INT_MIN, INT_MAX, V\|A\|E}, {"min_prediction_order", NULL, OFFSET(min_prediction_order), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, A\|E}, {"max_prediction_order", NULL, OFFSET(max_prediction_order), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, A\|E},
188dea1d	#if FF_API_FLAC_GLOBAL_OPTS
b6675279	{"lpc_coeff_precision", "deprecated, use flac-specific options", OFFSET(lpc_coeff_precision), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, A\|E}, {"prediction_order_method", "deprecated, use flac-specific options", OFFSET(prediction_order_method), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, A\|E}, {"min_partition_order", "deprecated, use flac-specific options", OFFSET(min_partition_order), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, A\|E}, {"max_partition_order", "deprecated, use flac-specific options", OFFSET(max_partition_order), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, A\|E},
188dea1d	#endif
ffb5a0d5	{"timecode_frame_start", "GOP timecode frame start number, in non drop frame format", OFFSET(timecode_frame_start), FF_OPT_TYPE_INT64, {.dbl = 0 }, 0, INT64_MAX, V\|E}, {"drop_frame_timecode", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_DROP_FRAME_TIMECODE }, INT_MIN, INT_MAX, V\|E, "flags2"}, {"non_linear_q", "use non linear quantizer", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_NON_LINEAR_QUANT }, INT_MIN, INT_MAX, V\|E, "flags2"},
9f5ddd1e	#if FF_API_REQUEST_CHANNELS
ffb5a0d5	{"request_channels", "set desired number of audio channels", OFFSET(request_channels), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, A\|D},
9f5ddd1e	#endif
85770f2a	{"drc_scale", "percentage of dynamic range compression to apply", OFFSET(drc_scale), FF_OPT_TYPE_FLOAT, {.dbl = 1.0 }, 0.0, 1.0, A\|D},
ffb5a0d5	{"reservoir", "use bit reservoir", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_BIT_RESERVOIR }, INT_MIN, INT_MAX, A\|E, "flags2"}, {"mbtree", "use macroblock tree ratecontrol (x264 only)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_MBTREE }, INT_MIN, INT_MAX, V\|E, "flags2"}, {"bits_per_raw_sample", NULL, OFFSET(bits_per_raw_sample), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX}, {"channel_layout", NULL, OFFSET(channel_layout), FF_OPT_TYPE_INT64, {.dbl = DEFAULT }, 0, INT64_MAX, A\|E\|D, "channel_layout"}, {"request_channel_layout", NULL, OFFSET(request_channel_layout), FF_OPT_TYPE_INT64, {.dbl = DEFAULT }, 0, INT64_MAX, A\|D, "request_channel_layout"},
85770f2a	{"rc_max_vbv_use", NULL, OFFSET(rc_max_available_vbv_use), FF_OPT_TYPE_FLOAT, {.dbl = 1.0/3 }, 0.0, FLT_MAX, V\|E}, {"rc_min_vbv_use", NULL, OFFSET(rc_min_vbv_overflow_use), FF_OPT_TYPE_FLOAT, {.dbl = 3 }, 0.0, FLT_MAX, V\|E},
ffb5a0d5	{"ticks_per_frame", NULL, OFFSET(ticks_per_frame), FF_OPT_TYPE_INT, {.dbl = 1 }, 1, INT_MAX, A\|V\|E\|D}, {"color_primaries", NULL, OFFSET(color_primaries), FF_OPT_TYPE_INT, {.dbl = AVCOL_PRI_UNSPECIFIED }, 1, AVCOL_PRI_NB-1, V\|E\|D}, {"color_trc", NULL, OFFSET(color_trc), FF_OPT_TYPE_INT, {.dbl = AVCOL_TRC_UNSPECIFIED }, 1, AVCOL_TRC_NB-1, V\|E\|D}, {"colorspace", NULL, OFFSET(colorspace), FF_OPT_TYPE_INT, {.dbl = AVCOL_SPC_UNSPECIFIED }, 1, AVCOL_SPC_NB-1, V\|E\|D}, {"color_range", NULL, OFFSET(color_range), FF_OPT_TYPE_INT, {.dbl = AVCOL_RANGE_UNSPECIFIED }, 0, AVCOL_RANGE_NB-1, V\|E\|D}, {"chroma_sample_location", NULL, OFFSET(chroma_sample_location), FF_OPT_TYPE_INT, {.dbl = AVCHROMA_LOC_UNSPECIFIED }, 0, AVCHROMA_LOC_NB-1, V\|E\|D}, {"psy", "use psycho visual optimization", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_PSY }, INT_MIN, INT_MAX, V\|E, "flags2"},
85770f2a	{"psy_rd", "specify psycho visual strength", OFFSET(psy_rd), FF_OPT_TYPE_FLOAT, {.dbl = 1.0 }, 0, FLT_MAX, V\|E}, {"psy_trellis", "specify psycho visual trellis", OFFSET(psy_trellis), FF_OPT_TYPE_FLOAT, {.dbl = 0 }, 0, FLT_MAX, V\|E},
ffb5a0d5	{"aq_mode", "specify aq method", OFFSET(aq_mode), FF_OPT_TYPE_INT, {.dbl = 1 }, 0, INT_MAX, V\|E},
85770f2a	{"aq_strength", "specify aq strength", OFFSET(aq_strength), FF_OPT_TYPE_FLOAT, {.dbl = 1.0 }, 0, FLT_MAX, V\|E},
ffb5a0d5	{"rc_lookahead", "specify number of frames to look ahead for frametype", OFFSET(rc_lookahead), FF_OPT_TYPE_INT, {.dbl = 40 }, 0, INT_MAX, V\|E}, {"ssim", "ssim will be calculated during encoding", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_SSIM }, INT_MIN, INT_MAX, V\|E, "flags2"}, {"intra_refresh", "use periodic insertion of intra blocks instead of keyframes", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_INTRA_REFRESH }, INT_MIN, INT_MAX, V\|E, "flags2"},
85770f2a	{"crf_max", "in crf mode, prevents vbv from lowering quality beyond this point", OFFSET(crf_max), FF_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, 0, 51, V\|E},
ffb5a0d5	{"log_level_offset", "set the log level offset", OFFSET(log_level_offset), FF_OPT_TYPE_INT, {.dbl = 0 }, INT_MIN, INT_MAX },
188dea1d	#if FF_API_FLAC_GLOBAL_OPTS
b6675279	{"lpc_type", "deprecated, use flac-specific options", OFFSET(lpc_type), FF_OPT_TYPE_INT, {.dbl = AV_LPC_TYPE_DEFAULT }, AV_LPC_TYPE_DEFAULT, AV_LPC_TYPE_NB-1, A\|E},
ffb5a0d5	{"none", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AV_LPC_TYPE_NONE }, INT_MIN, INT_MAX, A\|E, "lpc_type"}, {"fixed", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AV_LPC_TYPE_FIXED }, INT_MIN, INT_MAX, A\|E, "lpc_type"}, {"levinson", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AV_LPC_TYPE_LEVINSON }, INT_MIN, INT_MAX, A\|E, "lpc_type"}, {"cholesky", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AV_LPC_TYPE_CHOLESKY }, INT_MIN, INT_MAX, A\|E, "lpc_type"},
b6675279	{"lpc_passes", "deprecated, use flac-specific options", OFFSET(lpc_passes), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, A\|E},
188dea1d	#endif
ffb5a0d5	{"slices", "number of slices, used in parallelized decoding", OFFSET(slices), FF_OPT_TYPE_INT, {.dbl = 0 }, 0, INT_MAX, V\|E},
7850a9b3	{"thread_type", "select multithreading type", OFFSET(thread_type), FF_OPT_TYPE_FLAGS, {.dbl = FF_THREAD_SLICE\|FF_THREAD_FRAME }, 0, INT_MAX, V\|E\|D, "thread_type"},
ffb5a0d5	{"slice", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_THREAD_SLICE }, INT_MIN, INT_MAX, V\|E\|D, "thread_type"}, {"frame", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_THREAD_FRAME }, INT_MIN, INT_MAX, V\|E\|D, "thread_type"}, {"audio_service_type", "audio service type", OFFSET(audio_service_type), FF_OPT_TYPE_INT, {.dbl = AV_AUDIO_SERVICE_TYPE_MAIN }, 0, AV_AUDIO_SERVICE_TYPE_NB-1, A\|E, "audio_service_type"}, {"ma", "Main Audio Service", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_MAIN }, INT_MIN, INT_MAX, A\|E, "audio_service_type"}, {"ef", "Effects", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_EFFECTS }, INT_MIN, INT_MAX, A\|E, "audio_service_type"}, {"vi", "Visually Impaired", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED }, INT_MIN, INT_MAX, A\|E, "audio_service_type"}, {"hi", "Hearing Impaired", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED }, INT_MIN, INT_MAX, A\|E, "audio_service_type"}, {"di", "Dialogue", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_DIALOGUE }, INT_MIN, INT_MAX, A\|E, "audio_service_type"}, {"co", "Commentary", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_COMMENTARY }, INT_MIN, INT_MAX, A\|E, "audio_service_type"}, {"em", "Emergency", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_EMERGENCY }, INT_MIN, INT_MAX, A\|E, "audio_service_type"}, {"vo", "Voice Over", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_VOICE_OVER }, INT_MIN, INT_MAX, A\|E, "audio_service_type"}, {"ka", "Karaoke", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_KARAOKE }, INT_MIN, INT_MAX, A\|E, "audio_service_type"},
75a37b57	{"request_sample_fmt", "sample format audio decoders should prefer", OFFSET(request_sample_fmt), FF_OPT_TYPE_INT, {.dbl = AV_SAMPLE_FMT_NONE }, AV_SAMPLE_FMT_NONE, AV_SAMPLE_FMT_NB-1, A\|D, "request_sample_fmt"},
64150ff0	{"u8" , "8-bit unsigned integer", 0, FF_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_U8 }, INT_MIN, INT_MAX, A\|D, "request_sample_fmt"}, {"s16", "16-bit signed integer", 0, FF_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_S16 }, INT_MIN, INT_MAX, A\|D, "request_sample_fmt"}, {"s32", "32-bit signed integer", 0, FF_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_S32 }, INT_MIN, INT_MAX, A\|D, "request_sample_fmt"}, {"flt", "32-bit float", 0, FF_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_FLT }, INT_MIN, INT_MAX, A\|D, "request_sample_fmt"}, {"dbl", "64-bit double", 0, FF_OPT_TYPE_CONST, {.dbl = AV_SAMPLE_FMT_DBL }, INT_MIN, INT_MAX, A\|D, "request_sample_fmt"},
78acb9e7	{NULL}, }; #undef A #undef V #undef S #undef E #undef D #undef DEFAULT
78440c00	static const AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options, LIBAVUTIL_VERSION_INT, OFFSET(log_level_offset), .opt_find = opt_find};
78acb9e7
72415b2a	void avcodec_get_context_defaults2(AVCodecContext *s, enum AVMediaType codec_type){
78acb9e7	int flags=0; memset(s, 0, sizeof(AVCodecContext)); s->av_class= &av_codec_context_class; s->codec_type = codec_type;
72415b2a	if(codec_type == AVMEDIA_TYPE_AUDIO)
78acb9e7	flags= AV_OPT_FLAG_AUDIO_PARAM;
72415b2a	else if(codec_type == AVMEDIA_TYPE_VIDEO)
78acb9e7	flags= AV_OPT_FLAG_VIDEO_PARAM;
72415b2a	else if(codec_type == AVMEDIA_TYPE_SUBTITLE)
78acb9e7	flags= AV_OPT_FLAG_SUBTITLE_PARAM; av_opt_set_defaults2(s, flags, flags); s->time_base= (AVRational){0,1}; s->get_buffer= avcodec_default_get_buffer; s->release_buffer= avcodec_default_release_buffer; s->get_format= avcodec_default_get_format; s->execute= avcodec_default_execute;
8d23a86f	s->execute2= avcodec_default_execute2;
78acb9e7	s->sample_aspect_ratio= (AVRational){0,1}; s->pix_fmt= PIX_FMT_NONE;
5d6e4c16	s->sample_fmt= AV_SAMPLE_FMT_NONE;
78acb9e7	s->palctrl = NULL; s->reget_buffer= avcodec_default_reget_buffer;
5cd39284	s->reordered_opaque= AV_NOPTS_VALUE;
78acb9e7	}
dc51a72b	int avcodec_get_context_defaults3(AVCodecContext s, AVCodec codec){ avcodec_get_context_defaults2(s, codec ? codec->type : AVMEDIA_TYPE_UNKNOWN); if(codec && codec->priv_data_size){ if(!s->priv_data){ s->priv_data= av_mallocz(codec->priv_data_size); if (!s->priv_data) { return AVERROR(ENOMEM); } } if(codec->priv_class){ (AVClass)s->priv_data= codec->priv_class; av_opt_set_defaults(s->priv_data); } } return 0; } AVCodecContext avcodec_alloc_context3(AVCodec codec){ AVCodecContext avctx= av_malloc(sizeof(AVCodecContext)); if(avctx==NULL) return NULL; if(avcodec_get_context_defaults3(avctx, codec) < 0){ av_free(avctx); return NULL; } return avctx; }
72415b2a	AVCodecContext *avcodec_alloc_context2(enum AVMediaType codec_type){
78acb9e7	AVCodecContext avctx= av_malloc(sizeof(AVCodecContext)); if(avctx==NULL) return NULL; avcodec_get_context_defaults2(avctx, codec_type); return avctx; } void avcodec_get_context_defaults(AVCodecContext s){
72415b2a	avcodec_get_context_defaults2(s, AVMEDIA_TYPE_UNKNOWN);
78acb9e7	} AVCodecContext *avcodec_alloc_context(void){
72415b2a	return avcodec_alloc_context2(AVMEDIA_TYPE_UNKNOWN);
78acb9e7	}
d1032180	int avcodec_copy_context(AVCodecContext dest, const AVCodecContext src) { if (dest->codec) { // check that the dest context is uninitialized av_log(dest, AV_LOG_ERROR, "Tried to copy AVCodecContext %p into already-initialized %p\n", src, dest); return AVERROR(EINVAL); } memcpy(dest, src, sizeof(dest)); / set values specific to opened codecs back to their default state / dest->priv_data = NULL; dest->codec = NULL; dest->palctrl = NULL; dest->slice_offset = NULL; dest->internal_buffer = NULL; dest->hwaccel = NULL; dest->thread_opaque = NULL; / reallocate values that should be allocated separately / dest->rc_eq = NULL; dest->extradata = NULL; dest->intra_matrix = NULL; dest->inter_matrix = NULL; dest->rc_override = NULL; if (src->rc_eq) { dest->rc_eq = av_strdup(src->rc_eq); if (!dest->rc_eq) return AVERROR(ENOMEM); } #define alloc_and_copy_or_fail(obj, size, pad) \ if (src->obj && size > 0) { \ dest->obj = av_malloc(size + pad); \ if (!dest->obj) \ goto fail; \ memcpy(dest->obj, src->obj, size); \ if (pad) \ memset(((uint8_t ) dest->obj) + size, 0, pad); \ } alloc_and_copy_or_fail(extradata, src->extradata_size, FF_INPUT_BUFFER_PADDING_SIZE); alloc_and_copy_or_fail(intra_matrix, 64 * sizeof(int16_t), 0); alloc_and_copy_or_fail(inter_matrix, 64 * sizeof(int16_t), 0); alloc_and_copy_or_fail(rc_override, src->rc_override_count * sizeof(*src->rc_override), 0); #undef alloc_and_copy_or_fail return 0; fail: av_freep(&dest->rc_override); av_freep(&dest->intra_matrix); av_freep(&dest->inter_matrix); av_freep(&dest->extradata); av_freep(&dest->rc_eq); return AVERROR(ENOMEM); }