| /* |
| * Copyright (c) 2001 Fabrice Bellard |
| * 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 |
| */ |
| |
| /** |
| * @file |
| * Options definition for AVCodecContext. |
| */ |
| |
| #include "avcodec.h" |
| #include "libavutil/opt.h" |
| #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"; |
| } |
| |
| 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; |
| } |
| |
| #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[]={ |
| {"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 = 64*1000 }, 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_BITRATE*20 }, 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}, |
| {"time_base", NULL, OFFSET(time_base), FF_OPT_TYPE_RATIONAL, {.dbl = 0}, INT_MIN, INT_MAX}, |
| {"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}, |
| {"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}, |
| {"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}, |
| {"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}, |
| {"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"}, |
| {"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}, |
| {"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}, |
| {"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}, |
| {"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}, |
| {"rc_eq", "set rate control equation", OFFSET(rc_eq), FF_OPT_TYPE_STRING, {.str = NULL}, CHAR_MIN, CHAR_MAX, V|E}, |
| {"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}, |
| {"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}, |
| {"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"}, |
| {"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}, |
| {"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"}, |
| {"aspect", "sample aspect ratio", OFFSET(sample_aspect_ratio), FF_OPT_TYPE_RATIONAL, {.dbl = 0}, 0, 10, V|E}, |
| {"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"}, |
| #if CONFIG_SNOW_ENCODER |
| {"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"}, |
| #endif |
| {"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 = 2*FF_QP2LAMBDA }, 0, INT_MAX, V|E}, |
| {"lmax", "max lagrange factor (VBR)", OFFSET(lmax), FF_OPT_TYPE_INT, {.dbl = 31*FF_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}, |
| #if FF_API_ANTIALIAS_ALGO |
| {"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"}, |
| #endif |
| {"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"}, |
| {"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}, |
| {"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}, |
| {"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}, |
| {"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"}, |
| {"complexityblur", "reduce fluctuations in qp (before curve compression)", OFFSET(complexityblur), FF_OPT_TYPE_FLOAT, {.dbl = 20.0 }, FLT_MIN, FLT_MAX, V|E}, |
| {"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}, |
| #if FF_API_FLAC_GLOBAL_OPTS |
| {"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}, |
| #endif |
| {"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"}, |
| #if FF_API_REQUEST_CHANNELS |
| {"request_channels", "set desired number of audio channels", OFFSET(request_channels), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, A|D}, |
| #endif |
| {"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}, |
| {"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"}, |
| {"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}, |
| {"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"}, |
| {"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}, |
| {"aq_mode", "specify aq method", OFFSET(aq_mode), FF_OPT_TYPE_INT, {.dbl = 1 }, 0, INT_MAX, V|E}, |
| {"aq_strength", "specify aq strength", OFFSET(aq_strength), FF_OPT_TYPE_FLOAT, {.dbl = 1.0 }, 0, FLT_MAX, V|E}, |
| {"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"}, |
| {"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}, |
| {"log_level_offset", "set the log level offset", OFFSET(log_level_offset), FF_OPT_TYPE_INT, {.dbl = 0 }, INT_MIN, INT_MAX }, |
| #if FF_API_FLAC_GLOBAL_OPTS |
| {"use_lpc", "sets whether to use LPC mode (FLAC)", OFFSET(use_lpc), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, A|E}, |
| {"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}, |
| {"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"}, |
| {"lpc_passes", "deprecated, use flac-specific options", OFFSET(lpc_passes), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, A|E}, |
| #endif |
| {"slices", "number of slices, used in parallelized decoding", OFFSET(slices), FF_OPT_TYPE_INT, {.dbl = 0 }, 0, INT_MAX, V|E}, |
| {"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"}, |
| {"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"}, |
| {"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"}, |
| {"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"}, |
| {NULL}, |
| }; |
| |
| #undef A |
| #undef V |
| #undef S |
| #undef E |
| #undef D |
| #undef DEFAULT |
| |
| static const AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options, LIBAVUTIL_VERSION_INT, OFFSET(log_level_offset), .opt_find = opt_find}; |
| |
| void avcodec_get_context_defaults2(AVCodecContext *s, enum AVMediaType codec_type){ |
| int flags=0; |
| memset(s, 0, sizeof(AVCodecContext)); |
| |
| s->av_class= &av_codec_context_class; |
| |
| s->codec_type = codec_type; |
| if(codec_type == AVMEDIA_TYPE_AUDIO) |
| flags= AV_OPT_FLAG_AUDIO_PARAM; |
| else if(codec_type == AVMEDIA_TYPE_VIDEO) |
| flags= AV_OPT_FLAG_VIDEO_PARAM; |
| else if(codec_type == AVMEDIA_TYPE_SUBTITLE) |
| 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; |
| s->execute2= avcodec_default_execute2; |
| s->sample_aspect_ratio= (AVRational){0,1}; |
| s->pix_fmt= PIX_FMT_NONE; |
| s->sample_fmt= AV_SAMPLE_FMT_NONE; |
| |
| s->palctrl = NULL; |
| s->reget_buffer= avcodec_default_reget_buffer; |
| s->reordered_opaque= AV_NOPTS_VALUE; |
| } |
| |
| 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; |
| } |
| |
| AVCodecContext *avcodec_alloc_context2(enum AVMediaType codec_type){ |
| 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){ |
| avcodec_get_context_defaults2(s, AVMEDIA_TYPE_UNKNOWN); |
| } |
| |
| AVCodecContext *avcodec_alloc_context(void){ |
| return avcodec_alloc_context2(AVMEDIA_TYPE_UNKNOWN); |
| } |
| |
| 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); |
| } |