ffmpeg / libavcodec / options.c @ b6675279
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/*
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* Copyright (c) 2001 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* Options definition for AVCodecContext.
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*/
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#include "avcodec.h" |
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#include "libavutil/opt.h" |
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#include <float.h> /* FLT_MIN, FLT_MAX */ |
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static const char* context_to_name(void* ptr) { |
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AVCodecContext *avc= ptr; |
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if(avc && avc->codec && avc->codec->name)
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return avc->codec->name;
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else
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return "NULL"; |
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} |
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#define OFFSET(x) offsetof(AVCodecContext,x)
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#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 |
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//these names are too long to be readable
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#define V AV_OPT_FLAG_VIDEO_PARAM
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#define A AV_OPT_FLAG_AUDIO_PARAM
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#define S AV_OPT_FLAG_SUBTITLE_PARAM
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#define E AV_OPT_FLAG_ENCODING_PARAM
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#define D AV_OPT_FLAG_DECODING_PARAM
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#define AV_CODEC_DEFAULT_BITRATE 200*1000 |
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static const AVOption options[]={ |
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{"b", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE }, INT_MIN, INT_MAX, V|E},
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{"ab", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, {.dbl = 64*1000 }, INT_MIN, INT_MAX, A|E},
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{"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},
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{"flags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, 0, UINT_MAX, V|A|E|D, "flags"},
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{"mv4", "use four motion vector by macroblock (mpeg4)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_4MV }, INT_MIN, INT_MAX, V|E, "flags"},
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{"obmc", "use overlapped block motion compensation (h263+)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_OBMC }, INT_MIN, INT_MAX, V|E, "flags"},
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{"qpel", "use 1/4 pel motion compensation", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_QPEL }, INT_MIN, INT_MAX, V|E, "flags"},
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{"loop", "use loop filter", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_LOOP_FILTER }, INT_MIN, INT_MAX, V|E, "flags"},
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{"qscale", "use fixed qscale", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_QSCALE }, INT_MIN, INT_MAX, 0, "flags"},
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{"gmc", "use gmc", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_GMC }, INT_MIN, INT_MAX, V|E, "flags"},
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{"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"},
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{"part", "use data partitioning", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_PART }, INT_MIN, INT_MAX, V|E, "flags"},
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{"input_preserved", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_INPUT_PRESERVED }, INT_MIN, INT_MAX, 0, "flags"},
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{"pass1", "use internal 2pass ratecontrol in first pass mode", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_PASS1 }, INT_MIN, INT_MAX, 0, "flags"},
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{"pass2", "use internal 2pass ratecontrol in second pass mode", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_PASS2 }, INT_MIN, INT_MAX, 0, "flags"},
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{"extern_huff", "use external huffman table (for mjpeg)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_EXTERN_HUFF }, INT_MIN, INT_MAX, 0, "flags"},
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{"gray", "only decode/encode grayscale", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_GRAY }, INT_MIN, INT_MAX, V|E|D, "flags"},
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{"emu_edge", "don't draw edges", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_EMU_EDGE }, INT_MIN, INT_MAX, 0, "flags"},
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{"psnr", "error[?] variables will be set during encoding", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_PSNR }, INT_MIN, INT_MAX, V|E, "flags"},
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{"truncated", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_TRUNCATED }, INT_MIN, INT_MAX, 0, "flags"},
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{"naq", "normalize adaptive quantization", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_NORMALIZE_AQP }, INT_MIN, INT_MAX, V|E, "flags"},
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{"ildct", "use interlaced dct", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_INTERLACED_DCT }, INT_MIN, INT_MAX, V|E, "flags"},
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{"low_delay", "force low delay", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_LOW_DELAY }, INT_MIN, INT_MAX, V|D|E, "flags"},
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{"alt", "enable alternate scantable (mpeg2/mpeg4)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_ALT_SCAN }, INT_MIN, INT_MAX, V|E, "flags"},
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{"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"},
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{"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"},
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{"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"},
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{"umv", "use unlimited motion vectors", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_H263P_UMV }, INT_MIN, INT_MAX, V|E, "flags"},
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{"cbp", "use rate distortion optimization for cbp", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_CBP_RD }, INT_MIN, INT_MAX, V|E, "flags"},
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{"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"},
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{"aiv", "h263 alternative inter vlc", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_H263P_AIV }, INT_MIN, INT_MAX, V|E, "flags"},
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{"slice", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_H263P_SLICE_STRUCT }, INT_MIN, INT_MAX, V|E, "flags"},
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{"ilme", "interlaced motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_INTERLACED_ME }, INT_MIN, INT_MAX, V|E, "flags"},
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{"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"},
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{"cgop", "closed gop", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_CLOSED_GOP }, INT_MIN, INT_MAX, V|E, "flags"},
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{"fast", "allow non spec compliant speedup tricks", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_FAST }, INT_MIN, INT_MAX, V|E, "flags2"},
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{"sgop", "strictly enforce gop size", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_STRICT_GOP }, INT_MIN, INT_MAX, V|E, "flags2"},
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{"noout", "skip bitstream encoding", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_NO_OUTPUT }, INT_MIN, INT_MAX, V|E, "flags2"},
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{"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"},
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{"sub_id", NULL, OFFSET(sub_id), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"me_method", "set motion estimation method", OFFSET(me_method), FF_OPT_TYPE_INT, {.dbl = ME_EPZS }, INT_MIN, INT_MAX, V|E, "me_method"},
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{"zero", "zero motion estimation (fastest)", 0, FF_OPT_TYPE_CONST, {.dbl = ME_ZERO }, INT_MIN, INT_MAX, V|E, "me_method" },
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{"full", "full motion estimation (slowest)", 0, FF_OPT_TYPE_CONST, {.dbl = ME_FULL }, INT_MIN, INT_MAX, V|E, "me_method" },
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{"epzs", "EPZS motion estimation (default)", 0, FF_OPT_TYPE_CONST, {.dbl = ME_EPZS }, INT_MIN, INT_MAX, V|E, "me_method" },
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{"esa", "esa motion estimation (alias for full)", 0, FF_OPT_TYPE_CONST, {.dbl = ME_FULL }, INT_MIN, INT_MAX, V|E, "me_method" },
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{"tesa", "tesa motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = ME_TESA }, INT_MIN, INT_MAX, V|E, "me_method" },
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{"dia", "dia motion estimation (alias for epzs)", 0, FF_OPT_TYPE_CONST, {.dbl = ME_EPZS }, INT_MIN, INT_MAX, V|E, "me_method" },
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{"log", "log motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = ME_LOG }, INT_MIN, INT_MAX, V|E, "me_method" },
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{"phods", "phods motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = ME_PHODS }, INT_MIN, INT_MAX, V|E, "me_method" },
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{"x1", "X1 motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = ME_X1 }, INT_MIN, INT_MAX, V|E, "me_method" },
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{"hex", "hex motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = ME_HEX }, INT_MIN, INT_MAX, V|E, "me_method" },
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{"umh", "umh motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = ME_UMH }, INT_MIN, INT_MAX, V|E, "me_method" },
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{"iter", "iter motion estimation", 0, FF_OPT_TYPE_CONST, {.dbl = ME_ITER }, INT_MIN, INT_MAX, V|E, "me_method" },
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{"extradata_size", NULL, OFFSET(extradata_size), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"time_base", NULL, OFFSET(time_base), FF_OPT_TYPE_RATIONAL, {.dbl = 0}, INT_MIN, INT_MAX},
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{"g", "set the group of picture size", OFFSET(gop_size), FF_OPT_TYPE_INT, {.dbl = 12 }, INT_MIN, INT_MAX, V|E},
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{"ar", "set audio sampling rate (in Hz)", OFFSET(sample_rate), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"ac", "set number of audio channels", OFFSET(channels), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"cutoff", "set cutoff bandwidth", OFFSET(cutoff), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, A|E},
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{"frame_size", NULL, OFFSET(frame_size), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, A|E},
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{"frame_number", NULL, OFFSET(frame_number), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"delay", NULL, OFFSET(delay), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"qcomp", "video quantizer scale compression (VBR)", OFFSET(qcompress), FF_OPT_TYPE_FLOAT, {.dbl = 0.5 }, -FLT_MAX, FLT_MAX, V|E},
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{"qblur", "video quantizer scale blur (VBR)", OFFSET(qblur), FF_OPT_TYPE_FLOAT, {.dbl = 0.5 }, 0, FLT_MAX, V|E},
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{"qmin", "min video quantizer scale (VBR)", OFFSET(qmin), FF_OPT_TYPE_INT, {.dbl = 2 }, 0, 69, V|E},
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{"qmax", "max video quantizer scale (VBR)", OFFSET(qmax), FF_OPT_TYPE_INT, {.dbl = 31 }, 0, 69, V|E},
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{"qdiff", "max difference between the quantizer scale (VBR)", OFFSET(max_qdiff), FF_OPT_TYPE_INT, {.dbl = 3 }, INT_MIN, INT_MAX, V|E},
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{"bf", "use 'frames' B frames", OFFSET(max_b_frames), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, FF_MAX_B_FRAMES, V|E},
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{"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},
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{"rc_strategy", "ratecontrol method", OFFSET(rc_strategy), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
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{"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},
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{"wpredp", "weighted prediction analysis method", OFFSET(weighted_p_pred), FF_OPT_TYPE_INT, {.dbl = 0 }, INT_MIN, INT_MAX, V|E},
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{"ps", "rtp payload size in bytes", OFFSET(rtp_payload_size), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
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{"mv_bits", NULL, OFFSET(mv_bits), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"header_bits", NULL, OFFSET(header_bits), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"i_tex_bits", NULL, OFFSET(i_tex_bits), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"p_tex_bits", NULL, OFFSET(p_tex_bits), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"i_count", NULL, OFFSET(i_count), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"p_count", NULL, OFFSET(p_count), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"skip_count", NULL, OFFSET(skip_count), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"misc_bits", NULL, OFFSET(misc_bits), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"frame_bits", NULL, OFFSET(frame_bits), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"codec_tag", NULL, OFFSET(codec_tag), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"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"},
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{"autodetect", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_AUTODETECT }, INT_MIN, INT_MAX, V|D, "bug"},
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{"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"},
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{"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"},
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{"ump4", "(autodetected if fourcc==UMP4)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_UMP4 }, INT_MIN, INT_MAX, V|D, "bug"},
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{"no_padding", "padding bug (autodetected)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_NO_PADDING }, INT_MIN, INT_MAX, V|D, "bug"},
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{"amv", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_AMV }, INT_MIN, INT_MAX, V|D, "bug"},
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{"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"},
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{"qpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_QPEL_CHROMA }, INT_MIN, INT_MAX, V|D, "bug"},
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{"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"},
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{"qpel_chroma2", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_QPEL_CHROMA2 }, INT_MIN, INT_MAX, V|D, "bug"},
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{"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"},
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{"edge", "edge padding bug (autodetected per fourcc/version)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_EDGE }, INT_MIN, INT_MAX, V|D, "bug"},
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{"hpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_HPEL_CHROMA }, INT_MIN, INT_MAX, V|D, "bug"},
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{"dc_clip", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_DC_CLIP }, INT_MIN, INT_MAX, V|D, "bug"},
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{"ms", "workaround various bugs in microsofts broken decoders", 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_MS }, INT_MIN, INT_MAX, V|D, "bug"},
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{"trunc", "trancated frames", 0, FF_OPT_TYPE_CONST, {.dbl = FF_BUG_TRUNCATED}, INT_MIN, INT_MAX, V|D, "bug"},
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{"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},
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{"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},
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{"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"},
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{"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"},
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{"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"},
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{"normal", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_COMPLIANCE_NORMAL }, INT_MIN, INT_MAX, V|D|E, "strict"},
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{"unofficial", "allow unofficial extensions", 0, FF_OPT_TYPE_CONST, {.dbl = FF_COMPLIANCE_UNOFFICIAL }, INT_MIN, INT_MAX, V|D|E, "strict"},
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{"experimental", "allow non standardized experimental things", 0, FF_OPT_TYPE_CONST, {.dbl = FF_COMPLIANCE_EXPERIMENTAL }, INT_MIN, INT_MAX, V|D|E, "strict"},
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{"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},
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{"er", "set error detection aggressivity", OFFSET(error_recognition), FF_OPT_TYPE_INT, {.dbl = FF_ER_CAREFUL }, INT_MIN, INT_MAX, A|V|D, "er"},
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{"careful", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_CAREFUL }, INT_MIN, INT_MAX, V|D, "er"},
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{"compliant", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_COMPLIANT }, INT_MIN, INT_MAX, V|D, "er"},
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{"aggressive", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_AGGRESSIVE }, INT_MIN, INT_MAX, V|D, "er"},
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{"very_aggressive", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_VERY_AGGRESSIVE }, INT_MIN, INT_MAX, V|D, "er"},
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{"has_b_frames", NULL, OFFSET(has_b_frames), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"block_align", NULL, OFFSET(block_align), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"parse_only", NULL, OFFSET(parse_only), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
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{"mpeg_quant", "use MPEG quantizers instead of H.263", OFFSET(mpeg_quant), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
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{"stats_out", NULL, OFFSET(stats_out), FF_OPT_TYPE_STRING, {.str = NULL}, CHAR_MIN, CHAR_MAX},
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{"stats_in", NULL, OFFSET(stats_in), FF_OPT_TYPE_STRING, {.str = NULL}, CHAR_MIN, CHAR_MAX},
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{"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},
|
| 173 |
{"rc_qmod_amp", "experimental quantizer modulation", OFFSET(rc_qmod_amp), FF_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, -FLT_MAX, FLT_MAX, V|E},
|
| 174 |
{"rc_qmod_freq", "experimental quantizer modulation", OFFSET(rc_qmod_freq), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
| 175 |
{"rc_override_count", NULL, OFFSET(rc_override_count), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
|
| 176 |
{"rc_eq", "set rate control equation", OFFSET(rc_eq), FF_OPT_TYPE_STRING, {.str = NULL}, CHAR_MIN, CHAR_MAX, V|E},
|
| 177 |
{"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},
|
| 178 |
{"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},
|
| 179 |
{"bufsize", "set ratecontrol buffer size (in bits)", OFFSET(rc_buffer_size), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, A|V|E},
|
| 180 |
{"rc_buf_aggressivity", "currently useless", OFFSET(rc_buffer_aggressivity), FF_OPT_TYPE_FLOAT, {.dbl = 1.0 }, -FLT_MAX, FLT_MAX, V|E},
|
| 181 |
{"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},
|
| 182 |
{"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},
|
| 183 |
{"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},
|
| 184 |
{"dct", "DCT algorithm", OFFSET(dct_algo), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, V|E, "dct"},
|
| 185 |
{"auto", "autoselect a good one (default)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DCT_AUTO }, INT_MIN, INT_MAX, V|E, "dct"},
|
| 186 |
{"fastint", "fast integer", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DCT_FASTINT }, INT_MIN, INT_MAX, V|E, "dct"},
|
| 187 |
{"int", "accurate integer", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DCT_INT }, INT_MIN, INT_MAX, V|E, "dct"},
|
| 188 |
{"mmx", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DCT_MMX }, INT_MIN, INT_MAX, V|E, "dct"},
|
| 189 |
{"mlib", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DCT_MLIB }, INT_MIN, INT_MAX, V|E, "dct"},
|
| 190 |
{"altivec", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DCT_ALTIVEC }, INT_MIN, INT_MAX, V|E, "dct"},
|
| 191 |
{"faan", "floating point AAN DCT", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DCT_FAAN }, INT_MIN, INT_MAX, V|E, "dct"},
|
| 192 |
{"lumi_mask", "compresses bright areas stronger than medium ones", OFFSET(lumi_masking), FF_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, V|E},
|
| 193 |
{"tcplx_mask", "temporal complexity masking", OFFSET(temporal_cplx_masking), FF_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, V|E},
|
| 194 |
{"scplx_mask", "spatial complexity masking", OFFSET(spatial_cplx_masking), FF_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, V|E},
|
| 195 |
{"p_mask", "inter masking", OFFSET(p_masking), FF_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, V|E},
|
| 196 |
{"dark_mask", "compresses dark areas stronger than medium ones", OFFSET(dark_masking), FF_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, V|E},
|
| 197 |
{"idct", "select IDCT implementation", OFFSET(idct_algo), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, V|E|D, "idct"},
|
| 198 |
{"auto", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_AUTO }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 199 |
{"int", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_INT }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 200 |
{"simple", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLE }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 201 |
{"simplemmx", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLEMMX }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 202 |
{"libmpeg2mmx", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_LIBMPEG2MMX }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 203 |
{"ps2", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_PS2 }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 204 |
{"mlib", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_MLIB }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 205 |
{"arm", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_ARM }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 206 |
{"altivec", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_ALTIVEC }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 207 |
{"sh4", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SH4 }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 208 |
{"simplearm", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLEARM }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 209 |
{"simplearmv5te", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLEARMV5TE }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 210 |
{"simplearmv6", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLEARMV6 }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 211 |
{"simpleneon", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLENEON }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 212 |
{"simplealpha", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLEALPHA }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 213 |
{"h264", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_H264 }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 214 |
{"vp3", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_VP3 }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 215 |
{"ipp", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_IPP }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 216 |
{"xvidmmx", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_XVIDMMX }, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 217 |
{"faani", "floating point AAN IDCT", 0, FF_OPT_TYPE_CONST, {.dbl = FF_IDCT_FAAN }, INT_MIN, INT_MAX, V|D|E, "idct"},
|
| 218 |
{"slice_count", NULL, OFFSET(slice_count), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
|
| 219 |
{"ec", "set error concealment strategy", OFFSET(error_concealment), FF_OPT_TYPE_FLAGS, {.dbl = 3 }, INT_MIN, INT_MAX, V|D, "ec"},
|
| 220 |
{"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"},
|
| 221 |
{"deblock", "use strong deblock filter for damaged MBs", 0, FF_OPT_TYPE_CONST, {.dbl = FF_EC_DEBLOCK }, INT_MIN, INT_MAX, V|D, "ec"},
|
| 222 |
{"bits_per_coded_sample", NULL, OFFSET(bits_per_coded_sample), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
|
| 223 |
{"pred", "prediction method", OFFSET(prediction_method), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E, "pred"},
|
| 224 |
{"left", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PRED_LEFT }, INT_MIN, INT_MAX, V|E, "pred"},
|
| 225 |
{"plane", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PRED_PLANE }, INT_MIN, INT_MAX, V|E, "pred"},
|
| 226 |
{"median", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PRED_MEDIAN }, INT_MIN, INT_MAX, V|E, "pred"},
|
| 227 |
{"aspect", "sample aspect ratio", OFFSET(sample_aspect_ratio), FF_OPT_TYPE_RATIONAL, {.dbl = 0}, 0, 10, V|E},
|
| 228 |
{"debug", "print specific debug info", OFFSET(debug), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, 0, INT_MAX, V|A|S|E|D, "debug"},
|
| 229 |
{"pict", "picture info", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_PICT_INFO }, INT_MIN, INT_MAX, V|D, "debug"},
|
| 230 |
{"rc", "rate control", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_RC }, INT_MIN, INT_MAX, V|E, "debug"},
|
| 231 |
{"bitstream", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_BITSTREAM }, INT_MIN, INT_MAX, V|D, "debug"},
|
| 232 |
{"mb_type", "macroblock (MB) type", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_MB_TYPE }, INT_MIN, INT_MAX, V|D, "debug"},
|
| 233 |
{"qp", "per-block quantization parameter (QP)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_QP }, INT_MIN, INT_MAX, V|D, "debug"},
|
| 234 |
{"mv", "motion vector", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_MV }, INT_MIN, INT_MAX, V|D, "debug"},
|
| 235 |
{"dct_coeff", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_DCT_COEFF }, INT_MIN, INT_MAX, V|D, "debug"},
|
| 236 |
{"skip", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_SKIP }, INT_MIN, INT_MAX, V|D, "debug"},
|
| 237 |
{"startcode", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_STARTCODE }, INT_MIN, INT_MAX, V|D, "debug"},
|
| 238 |
{"pts", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_PTS }, INT_MIN, INT_MAX, V|D, "debug"},
|
| 239 |
{"er", "error recognition", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_ER }, INT_MIN, INT_MAX, V|D, "debug"},
|
| 240 |
{"mmco", "memory management control operations (H.264)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_MMCO }, INT_MIN, INT_MAX, V|D, "debug"},
|
| 241 |
{"bugs", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_BUGS }, INT_MIN, INT_MAX, V|D, "debug"},
|
| 242 |
{"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"},
|
| 243 |
{"vis_mb_type", "visualize block types", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_VIS_MB_TYPE }, INT_MIN, INT_MAX, V|D, "debug"},
|
| 244 |
{"buffers", "picture buffer allocations", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_BUFFERS }, INT_MIN, INT_MAX, V|D, "debug"},
|
| 245 |
{"thread_ops", "threading operations", 0, FF_OPT_TYPE_CONST, {.dbl = FF_DEBUG_THREADS }, INT_MIN, INT_MAX, V|D, "debug"},
|
| 246 |
{"vismv", "visualize motion vectors (MVs)", OFFSET(debug_mv), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, V|D, "debug_mv"},
|
| 247 |
{"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"},
|
| 248 |
{"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"},
|
| 249 |
{"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"},
|
| 250 |
{"cmp", "full pel me compare function", OFFSET(me_cmp), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 251 |
{"subcmp", "sub pel me compare function", OFFSET(me_sub_cmp), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 252 |
{"mbcmp", "macroblock compare function", OFFSET(mb_cmp), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 253 |
{"ildctcmp", "interlaced dct compare function", OFFSET(ildct_cmp), FF_OPT_TYPE_INT, {.dbl = FF_CMP_VSAD }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 254 |
{"dia_size", "diamond type & size for motion estimation", OFFSET(dia_size), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
| 255 |
{"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},
|
| 256 |
{"preme", "pre motion estimation", OFFSET(pre_me), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
| 257 |
{"precmp", "pre motion estimation compare function", OFFSET(me_pre_cmp), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 258 |
{"sad", "sum of absolute differences, fast (default)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_SAD }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 259 |
{"sse", "sum of squared errors", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_SSE }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 260 |
{"satd", "sum of absolute Hadamard transformed differences", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_SATD }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 261 |
{"dct", "sum of absolute DCT transformed differences", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_DCT }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 262 |
{"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"},
|
| 263 |
{"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"},
|
| 264 |
{"rd", "rate distortion optimal, slow", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_RD }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 265 |
{"zero", "0", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_ZERO }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 266 |
{"vsad", "sum of absolute vertical differences", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_VSAD }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 267 |
{"vsse", "sum of squared vertical differences", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_VSSE }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 268 |
{"nsse", "noise preserving sum of squared differences", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_NSSE }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 269 |
#if CONFIG_SNOW_ENCODER
|
| 270 |
{"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"},
|
| 271 |
{"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"},
|
| 272 |
#endif
|
| 273 |
{"dctmax", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 274 |
{"chroma", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_CMP_CHROMA }, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 275 |
{"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},
|
| 276 |
{"subq", "sub pel motion estimation quality", OFFSET(me_subpel_quality), FF_OPT_TYPE_INT, {.dbl = 8 }, INT_MIN, INT_MAX, V|E},
|
| 277 |
{"dtg_active_format", NULL, OFFSET(dtg_active_format), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
|
| 278 |
{"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},
|
| 279 |
{"ibias", "intra quant bias", OFFSET(intra_quant_bias), FF_OPT_TYPE_INT, {.dbl = FF_DEFAULT_QUANT_BIAS }, INT_MIN, INT_MAX, V|E},
|
| 280 |
{"pbias", "inter quant bias", OFFSET(inter_quant_bias), FF_OPT_TYPE_INT, {.dbl = FF_DEFAULT_QUANT_BIAS }, INT_MIN, INT_MAX, V|E},
|
| 281 |
{"color_table_id", NULL, OFFSET(color_table_id), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
|
| 282 |
{"internal_buffer_count", NULL, OFFSET(internal_buffer_count), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
|
| 283 |
{"global_quality", NULL, OFFSET(global_quality), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
|
| 284 |
{"coder", NULL, OFFSET(coder_type), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E, "coder"},
|
| 285 |
{"vlc", "variable length coder / huffman coder", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CODER_TYPE_VLC }, INT_MIN, INT_MAX, V|E, "coder"},
|
| 286 |
{"ac", "arithmetic coder", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CODER_TYPE_AC }, INT_MIN, INT_MAX, V|E, "coder"},
|
| 287 |
{"raw", "raw (no encoding)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CODER_TYPE_RAW }, INT_MIN, INT_MAX, V|E, "coder"},
|
| 288 |
{"rle", "run-length coder", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CODER_TYPE_RLE }, INT_MIN, INT_MAX, V|E, "coder"},
|
| 289 |
{"deflate", "deflate-based coder", 0, FF_OPT_TYPE_CONST, {.dbl = FF_CODER_TYPE_DEFLATE }, INT_MIN, INT_MAX, V|E, "coder"},
|
| 290 |
{"context", "context model", OFFSET(context_model), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
| 291 |
{"slice_flags", NULL, OFFSET(slice_flags), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
|
| 292 |
{"xvmc_acceleration", NULL, OFFSET(xvmc_acceleration), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
|
| 293 |
{"mbd", "macroblock decision algorithm (high quality mode)", OFFSET(mb_decision), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E, "mbd"},
|
| 294 |
{"simple", "use mbcmp (default)", 0, FF_OPT_TYPE_CONST, {.dbl = FF_MB_DECISION_SIMPLE }, INT_MIN, INT_MAX, V|E, "mbd"},
|
| 295 |
{"bits", "use fewest bits", 0, FF_OPT_TYPE_CONST, {.dbl = FF_MB_DECISION_BITS }, INT_MIN, INT_MAX, V|E, "mbd"},
|
| 296 |
{"rd", "use best rate distortion", 0, FF_OPT_TYPE_CONST, {.dbl = FF_MB_DECISION_RD }, INT_MIN, INT_MAX, V|E, "mbd"},
|
| 297 |
{"stream_codec_tag", NULL, OFFSET(stream_codec_tag), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
|
| 298 |
{"sc_threshold", "scene change threshold", OFFSET(scenechange_threshold), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
| 299 |
{"lmin", "min lagrange factor (VBR)", OFFSET(lmin), FF_OPT_TYPE_INT, {.dbl = 2*FF_QP2LAMBDA }, 0, INT_MAX, V|E},
|
| 300 |
{"lmax", "max lagrange factor (VBR)", OFFSET(lmax), FF_OPT_TYPE_INT, {.dbl = 31*FF_QP2LAMBDA }, 0, INT_MAX, V|E},
|
| 301 |
{"nr", "noise reduction", OFFSET(noise_reduction), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
| 302 |
{"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},
|
| 303 |
{"inter_threshold", NULL, OFFSET(inter_threshold), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
| 304 |
{"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"},
|
| 305 |
{"error", NULL, OFFSET(error_rate), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
| 306 |
#if FF_API_ANTIALIAS_ALGO
|
| 307 |
{"antialias", "MP3 antialias algorithm", OFFSET(antialias_algo), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|D, "aa"},
|
| 308 |
#endif
|
| 309 |
{"auto", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_AA_AUTO }, INT_MIN, INT_MAX, V|D, "aa"},
|
| 310 |
{"fastint", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_AA_FASTINT }, INT_MIN, INT_MAX, V|D, "aa"},
|
| 311 |
{"int", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_AA_INT }, INT_MIN, INT_MAX, V|D, "aa"},
|
| 312 |
{"float", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_AA_FLOAT }, INT_MIN, INT_MAX, V|D, "aa"},
|
| 313 |
{"qns", "quantizer noise shaping", OFFSET(quantizer_noise_shaping), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
| 314 |
{"threads", NULL, OFFSET(thread_count), FF_OPT_TYPE_INT, {.dbl = 1 }, INT_MIN, INT_MAX, V|E|D},
|
| 315 |
{"me_threshold", "motion estimaton threshold", OFFSET(me_threshold), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
|
| 316 |
{"mb_threshold", "macroblock threshold", OFFSET(mb_threshold), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
| 317 |
{"dc", "intra_dc_precision", OFFSET(intra_dc_precision), FF_OPT_TYPE_INT, {.dbl = 0 }, INT_MIN, INT_MAX, V|E},
|
| 318 |
{"nssew", "nsse weight", OFFSET(nsse_weight), FF_OPT_TYPE_INT, {.dbl = 8 }, INT_MIN, INT_MAX, V|E},
|
| 319 |
{"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},
|
| 320 |
{"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},
|
| 321 |
{"profile", NULL, OFFSET(profile), FF_OPT_TYPE_INT, {.dbl = FF_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, V|A|E, "profile"},
|
| 322 |
{"unknown", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, V|A|E, "profile"},
|
| 323 |
{"aac_main", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_AAC_MAIN }, INT_MIN, INT_MAX, A|E, "profile"},
|
| 324 |
{"aac_low", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_AAC_LOW }, INT_MIN, INT_MAX, A|E, "profile"},
|
| 325 |
{"aac_ssr", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_AAC_SSR }, INT_MIN, INT_MAX, A|E, "profile"},
|
| 326 |
{"aac_ltp", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_AAC_LTP }, INT_MIN, INT_MAX, A|E, "profile"},
|
| 327 |
{"dts", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_DTS }, INT_MIN, INT_MAX, A|E, "profile"},
|
| 328 |
{"dts_es", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_DTS_ES }, INT_MIN, INT_MAX, A|E, "profile"},
|
| 329 |
{"dts_96_24", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_DTS_96_24 }, INT_MIN, INT_MAX, A|E, "profile"},
|
| 330 |
{"dts_hd_hra", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_DTS_HD_HRA }, INT_MIN, INT_MAX, A|E, "profile"},
|
| 331 |
{"dts_hd_ma", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_PROFILE_DTS_HD_MA }, INT_MIN, INT_MAX, A|E, "profile"},
|
| 332 |
{"level", NULL, OFFSET(level), FF_OPT_TYPE_INT, {.dbl = FF_LEVEL_UNKNOWN }, INT_MIN, INT_MAX, V|A|E, "level"},
|
| 333 |
{"unknown", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_LEVEL_UNKNOWN }, INT_MIN, INT_MAX, V|A|E, "level"},
|
| 334 |
{"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},
|
| 335 |
{"skip_threshold", "frame skip threshold", OFFSET(frame_skip_threshold), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
| 336 |
{"skip_factor", "frame skip factor", OFFSET(frame_skip_factor), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
| 337 |
{"skip_exp", "frame skip exponent", OFFSET(frame_skip_exp), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
| 338 |
{"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"},
|
| 339 |
{"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},
|
| 340 |
{"mblmin", "min macroblock lagrange factor (VBR)", OFFSET(mb_lmin), FF_OPT_TYPE_INT, {.dbl = FF_QP2LAMBDA * 2 }, 1, FF_LAMBDA_MAX, V|E},
|
| 341 |
{"mblmax", "max macroblock lagrange factor (VBR)", OFFSET(mb_lmax), FF_OPT_TYPE_INT, {.dbl = FF_QP2LAMBDA * 31 }, 1, FF_LAMBDA_MAX, V|E},
|
| 342 |
{"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},
|
| 343 |
{"skip_loop_filter", NULL, OFFSET(skip_loop_filter), FF_OPT_TYPE_INT, {.dbl = AVDISCARD_DEFAULT }, INT_MIN, INT_MAX, V|D, "avdiscard"},
|
| 344 |
{"skip_idct" , NULL, OFFSET(skip_idct) , FF_OPT_TYPE_INT, {.dbl = AVDISCARD_DEFAULT }, INT_MIN, INT_MAX, V|D, "avdiscard"},
|
| 345 |
{"skip_frame" , NULL, OFFSET(skip_frame) , FF_OPT_TYPE_INT, {.dbl = AVDISCARD_DEFAULT }, INT_MIN, INT_MAX, V|D, "avdiscard"},
|
| 346 |
{"none" , NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AVDISCARD_NONE }, INT_MIN, INT_MAX, V|D, "avdiscard"},
|
| 347 |
{"default" , NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AVDISCARD_DEFAULT }, INT_MIN, INT_MAX, V|D, "avdiscard"},
|
| 348 |
{"noref" , NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AVDISCARD_NONREF }, INT_MIN, INT_MAX, V|D, "avdiscard"},
|
| 349 |
{"bidir" , NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AVDISCARD_BIDIR }, INT_MIN, INT_MAX, V|D, "avdiscard"},
|
| 350 |
{"nokey" , NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AVDISCARD_NONKEY }, INT_MIN, INT_MAX, V|D, "avdiscard"},
|
| 351 |
{"all" , NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AVDISCARD_ALL }, INT_MIN, INT_MAX, V|D, "avdiscard"},
|
| 352 |
{"bidir_refine", "refine the two motion vectors used in bidirectional macroblocks", OFFSET(bidir_refine), FF_OPT_TYPE_INT, {.dbl = 1 }, 0, 4, V|E},
|
| 353 |
{"brd_scale", "downscales frames for dynamic B-frame decision", OFFSET(brd_scale), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, 10, V|E},
|
| 354 |
{"crf", "enables constant quality mode, and selects the quality (x264)", OFFSET(crf), FF_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, 0, 51, V|E},
|
| 355 |
{"cqp", "constant quantization parameter rate control method", OFFSET(cqp), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, V|E},
|
| 356 |
{"keyint_min", "minimum interval between IDR-frames (x264)", OFFSET(keyint_min), FF_OPT_TYPE_INT, {.dbl = 25 }, INT_MIN, INT_MAX, V|E},
|
| 357 |
{"refs", "reference frames to consider for motion compensation (Snow)", OFFSET(refs), FF_OPT_TYPE_INT, {.dbl = 1 }, INT_MIN, INT_MAX, V|E},
|
| 358 |
{"chromaoffset", "chroma qp offset from luma", OFFSET(chromaoffset), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
| 359 |
{"bframebias", "influences how often B-frames are used", OFFSET(bframebias), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
|
| 360 |
{"trellis", "rate-distortion optimal quantization", OFFSET(trellis), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|A|E},
|
| 361 |
{"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},
|
| 362 |
{"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"},
|
| 363 |
{"wpred", "weighted biprediction for b-frames (H.264)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_WPRED }, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 364 |
{"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"},
|
| 365 |
{"dct8x8", "high profile 8x8 transform (H.264)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_8X8DCT }, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 366 |
{"fastpskip", "fast pskip (H.264)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_FASTPSKIP }, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 367 |
{"aud", "access unit delimiters (H.264)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_AUD }, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 368 |
{"skiprd", "RD optimal MB level residual skipping", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_SKIP_RD }, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 369 |
{"complexityblur", "reduce fluctuations in qp (before curve compression)", OFFSET(complexityblur), FF_OPT_TYPE_FLOAT, {.dbl = 20.0 }, FLT_MIN, FLT_MAX, V|E},
|
| 370 |
{"deblockalpha", "in-loop deblocking filter alphac0 parameter", OFFSET(deblockalpha), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, -6, 6, V|E},
|
| 371 |
{"deblockbeta", "in-loop deblocking filter beta parameter", OFFSET(deblockbeta), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, -6, 6, V|E},
|
| 372 |
{"partitions", "macroblock subpartition sizes to consider", OFFSET(partitions), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E, "partitions"},
|
| 373 |
{"parti4x4", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = X264_PART_I4X4 }, INT_MIN, INT_MAX, V|E, "partitions"},
|
| 374 |
{"parti8x8", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = X264_PART_I8X8 }, INT_MIN, INT_MAX, V|E, "partitions"},
|
| 375 |
{"partp4x4", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = X264_PART_P4X4 }, INT_MIN, INT_MAX, V|E, "partitions"},
|
| 376 |
{"partp8x8", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = X264_PART_P8X8 }, INT_MIN, INT_MAX, V|E, "partitions"},
|
| 377 |
{"partb8x8", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = X264_PART_B8X8 }, INT_MIN, INT_MAX, V|E, "partitions"},
|
| 378 |
{"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},
|
| 379 |
{"mv0_threshold", NULL, OFFSET(mv0_threshold), FF_OPT_TYPE_INT, {.dbl = 256 }, 0, INT_MAX, V|E},
|
| 380 |
{"ivlc", "intra vlc table", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_INTRA_VLC }, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 381 |
{"b_sensitivity", "adjusts sensitivity of b_frame_strategy 1", OFFSET(b_sensitivity), FF_OPT_TYPE_INT, {.dbl = 40 }, 1, INT_MAX, V|E},
|
| 382 |
{"compression_level", NULL, OFFSET(compression_level), FF_OPT_TYPE_INT, {.dbl = FF_COMPRESSION_DEFAULT }, INT_MIN, INT_MAX, V|A|E},
|
| 383 |
{"min_prediction_order", NULL, OFFSET(min_prediction_order), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, A|E},
|
| 384 |
{"max_prediction_order", NULL, OFFSET(max_prediction_order), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, A|E},
|
| 385 |
#if FF_API_FLAC_GLOBAL_OPTS
|
| 386 |
{"lpc_coeff_precision", "deprecated, use flac-specific options", OFFSET(lpc_coeff_precision), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, A|E},
|
| 387 |
{"prediction_order_method", "deprecated, use flac-specific options", OFFSET(prediction_order_method), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, A|E},
|
| 388 |
{"min_partition_order", "deprecated, use flac-specific options", OFFSET(min_partition_order), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, A|E},
|
| 389 |
{"max_partition_order", "deprecated, use flac-specific options", OFFSET(max_partition_order), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, A|E},
|
| 390 |
#endif
|
| 391 |
{"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},
|
| 392 |
{"drop_frame_timecode", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_DROP_FRAME_TIMECODE }, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 393 |
{"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"},
|
| 394 |
#if FF_API_REQUEST_CHANNELS
|
| 395 |
{"request_channels", "set desired number of audio channels", OFFSET(request_channels), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, A|D},
|
| 396 |
#endif
|
| 397 |
{"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},
|
| 398 |
{"reservoir", "use bit reservoir", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_BIT_RESERVOIR }, INT_MIN, INT_MAX, A|E, "flags2"},
|
| 399 |
{"mbtree", "use macroblock tree ratecontrol (x264 only)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_MBTREE }, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 400 |
{"bits_per_raw_sample", NULL, OFFSET(bits_per_raw_sample), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},
|
| 401 |
{"channel_layout", NULL, OFFSET(channel_layout), FF_OPT_TYPE_INT64, {.dbl = DEFAULT }, 0, INT64_MAX, A|E|D, "channel_layout"},
|
| 402 |
{"request_channel_layout", NULL, OFFSET(request_channel_layout), FF_OPT_TYPE_INT64, {.dbl = DEFAULT }, 0, INT64_MAX, A|D, "request_channel_layout"},
|
| 403 |
{"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},
|
| 404 |
{"rc_min_vbv_use", NULL, OFFSET(rc_min_vbv_overflow_use), FF_OPT_TYPE_FLOAT, {.dbl = 3 }, 0.0, FLT_MAX, V|E},
|
| 405 |
{"ticks_per_frame", NULL, OFFSET(ticks_per_frame), FF_OPT_TYPE_INT, {.dbl = 1 }, 1, INT_MAX, A|V|E|D},
|
| 406 |
{"color_primaries", NULL, OFFSET(color_primaries), FF_OPT_TYPE_INT, {.dbl = AVCOL_PRI_UNSPECIFIED }, 1, AVCOL_PRI_NB-1, V|E|D},
|
| 407 |
{"color_trc", NULL, OFFSET(color_trc), FF_OPT_TYPE_INT, {.dbl = AVCOL_TRC_UNSPECIFIED }, 1, AVCOL_TRC_NB-1, V|E|D},
|
| 408 |
{"colorspace", NULL, OFFSET(colorspace), FF_OPT_TYPE_INT, {.dbl = AVCOL_SPC_UNSPECIFIED }, 1, AVCOL_SPC_NB-1, V|E|D},
|
| 409 |
{"color_range", NULL, OFFSET(color_range), FF_OPT_TYPE_INT, {.dbl = AVCOL_RANGE_UNSPECIFIED }, 0, AVCOL_RANGE_NB-1, V|E|D},
|
| 410 |
{"chroma_sample_location", NULL, OFFSET(chroma_sample_location), FF_OPT_TYPE_INT, {.dbl = AVCHROMA_LOC_UNSPECIFIED }, 0, AVCHROMA_LOC_NB-1, V|E|D},
|
| 411 |
{"psy", "use psycho visual optimization", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_PSY }, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 412 |
{"psy_rd", "specify psycho visual strength", OFFSET(psy_rd), FF_OPT_TYPE_FLOAT, {.dbl = 1.0 }, 0, FLT_MAX, V|E},
|
| 413 |
{"psy_trellis", "specify psycho visual trellis", OFFSET(psy_trellis), FF_OPT_TYPE_FLOAT, {.dbl = 0 }, 0, FLT_MAX, V|E},
|
| 414 |
{"aq_mode", "specify aq method", OFFSET(aq_mode), FF_OPT_TYPE_INT, {.dbl = 1 }, 0, INT_MAX, V|E},
|
| 415 |
{"aq_strength", "specify aq strength", OFFSET(aq_strength), FF_OPT_TYPE_FLOAT, {.dbl = 1.0 }, 0, FLT_MAX, V|E},
|
| 416 |
{"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},
|
| 417 |
{"ssim", "ssim will be calculated during encoding", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_SSIM }, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 418 |
{"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"},
|
| 419 |
{"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},
|
| 420 |
{"log_level_offset", "set the log level offset", OFFSET(log_level_offset), FF_OPT_TYPE_INT, {.dbl = 0 }, INT_MIN, INT_MAX },
|
| 421 |
#if FF_API_FLAC_GLOBAL_OPTS
|
| 422 |
{"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},
|
| 423 |
{"none", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AV_LPC_TYPE_NONE }, INT_MIN, INT_MAX, A|E, "lpc_type"},
|
| 424 |
{"fixed", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AV_LPC_TYPE_FIXED }, INT_MIN, INT_MAX, A|E, "lpc_type"},
|
| 425 |
{"levinson", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AV_LPC_TYPE_LEVINSON }, INT_MIN, INT_MAX, A|E, "lpc_type"},
|
| 426 |
{"cholesky", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = AV_LPC_TYPE_CHOLESKY }, INT_MIN, INT_MAX, A|E, "lpc_type"},
|
| 427 |
{"lpc_passes", "deprecated, use flac-specific options", OFFSET(lpc_passes), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, A|E},
|
| 428 |
#endif
|
| 429 |
{"slices", "number of slices, used in parallelized decoding", OFFSET(slices), FF_OPT_TYPE_INT, {.dbl = 0 }, 0, INT_MAX, V|E},
|
| 430 |
{"thread_type", "select multithreading type", OFFSET(thread_type), FF_OPT_TYPE_INT, {.dbl = FF_THREAD_SLICE|FF_THREAD_FRAME }, 0, INT_MAX, V|E|D, "thread_type"},
|
| 431 |
{"slice", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_THREAD_SLICE }, INT_MIN, INT_MAX, V|E|D, "thread_type"},
|
| 432 |
{"frame", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_THREAD_FRAME }, INT_MIN, INT_MAX, V|E|D, "thread_type"},
|
| 433 |
{"vbv_delay", "initial buffer fill time in periods of 27Mhz clock", 0, FF_OPT_TYPE_INT64, {.dbl = 0 }, 0, INT64_MAX},
|
| 434 |
{"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"},
|
| 435 |
{"ma", "Main Audio Service", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_MAIN }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
|
| 436 |
{"ef", "Effects", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_EFFECTS }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
|
| 437 |
{"vi", "Visually Impaired", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
|
| 438 |
{"hi", "Hearing Impaired", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
|
| 439 |
{"di", "Dialogue", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_DIALOGUE }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
|
| 440 |
{"co", "Commentary", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_COMMENTARY }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
|
| 441 |
{"em", "Emergency", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_EMERGENCY }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
|
| 442 |
{"vo", "Voice Over", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_VOICE_OVER }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
|
| 443 |
{"ka", "Karaoke", 0, FF_OPT_TYPE_CONST, {.dbl = AV_AUDIO_SERVICE_TYPE_KARAOKE }, INT_MIN, INT_MAX, A|E, "audio_service_type"},
|
| 444 |
{NULL},
|
| 445 |
}; |
| 446 |
|
| 447 |
#undef A
|
| 448 |
#undef V
|
| 449 |
#undef S
|
| 450 |
#undef E
|
| 451 |
#undef D
|
| 452 |
#undef DEFAULT
|
| 453 |
|
| 454 |
static const AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options, LIBAVUTIL_VERSION_INT, OFFSET(log_level_offset) }; |
| 455 |
|
| 456 |
void avcodec_get_context_defaults2(AVCodecContext *s, enum AVMediaType codec_type){ |
| 457 |
int flags=0; |
| 458 |
memset(s, 0, sizeof(AVCodecContext)); |
| 459 |
|
| 460 |
s->av_class= &av_codec_context_class; |
| 461 |
|
| 462 |
s->codec_type = codec_type; |
| 463 |
if(codec_type == AVMEDIA_TYPE_AUDIO)
|
| 464 |
flags= AV_OPT_FLAG_AUDIO_PARAM; |
| 465 |
else if(codec_type == AVMEDIA_TYPE_VIDEO) |
| 466 |
flags= AV_OPT_FLAG_VIDEO_PARAM; |
| 467 |
else if(codec_type == AVMEDIA_TYPE_SUBTITLE) |
| 468 |
flags= AV_OPT_FLAG_SUBTITLE_PARAM; |
| 469 |
av_opt_set_defaults2(s, flags, flags); |
| 470 |
|
| 471 |
s->time_base= (AVRational){0,1};
|
| 472 |
s->get_buffer= avcodec_default_get_buffer; |
| 473 |
s->release_buffer= avcodec_default_release_buffer; |
| 474 |
s->get_format= avcodec_default_get_format; |
| 475 |
s->execute= avcodec_default_execute; |
| 476 |
s->execute2= avcodec_default_execute2; |
| 477 |
s->sample_aspect_ratio= (AVRational){0,1};
|
| 478 |
s->pix_fmt= PIX_FMT_NONE; |
| 479 |
s->sample_fmt= AV_SAMPLE_FMT_NONE; |
| 480 |
|
| 481 |
s->palctrl = NULL;
|
| 482 |
s->reget_buffer= avcodec_default_reget_buffer; |
| 483 |
s->reordered_opaque= AV_NOPTS_VALUE; |
| 484 |
} |
| 485 |
|
| 486 |
int avcodec_get_context_defaults3(AVCodecContext *s, AVCodec *codec){
|
| 487 |
avcodec_get_context_defaults2(s, codec ? codec->type : AVMEDIA_TYPE_UNKNOWN); |
| 488 |
if(codec && codec->priv_data_size){
|
| 489 |
if(!s->priv_data){
|
| 490 |
s->priv_data= av_mallocz(codec->priv_data_size); |
| 491 |
if (!s->priv_data) {
|
| 492 |
return AVERROR(ENOMEM);
|
| 493 |
} |
| 494 |
} |
| 495 |
if(codec->priv_class){
|
| 496 |
*(AVClass**)s->priv_data= codec->priv_class; |
| 497 |
av_opt_set_defaults(s->priv_data); |
| 498 |
} |
| 499 |
} |
| 500 |
return 0; |
| 501 |
} |
| 502 |
|
| 503 |
AVCodecContext *avcodec_alloc_context3(AVCodec *codec){
|
| 504 |
AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
|
| 505 |
|
| 506 |
if(avctx==NULL) return NULL; |
| 507 |
|
| 508 |
if(avcodec_get_context_defaults3(avctx, codec) < 0){ |
| 509 |
av_free(avctx); |
| 510 |
return NULL; |
| 511 |
} |
| 512 |
|
| 513 |
return avctx;
|
| 514 |
} |
| 515 |
|
| 516 |
AVCodecContext *avcodec_alloc_context2(enum AVMediaType codec_type){
|
| 517 |
AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
|
| 518 |
|
| 519 |
if(avctx==NULL) return NULL; |
| 520 |
|
| 521 |
avcodec_get_context_defaults2(avctx, codec_type); |
| 522 |
|
| 523 |
return avctx;
|
| 524 |
} |
| 525 |
|
| 526 |
void avcodec_get_context_defaults(AVCodecContext *s){
|
| 527 |
avcodec_get_context_defaults2(s, AVMEDIA_TYPE_UNKNOWN); |
| 528 |
} |
| 529 |
|
| 530 |
AVCodecContext *avcodec_alloc_context(void){
|
| 531 |
return avcodec_alloc_context2(AVMEDIA_TYPE_UNKNOWN);
|
| 532 |
} |
| 533 |
|
| 534 |
int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src) |
| 535 |
{
|
| 536 |
if (dest->codec) { // check that the dest context is uninitialized |
| 537 |
av_log(dest, AV_LOG_ERROR, |
| 538 |
"Tried to copy AVCodecContext %p into already-initialized %p\n",
|
| 539 |
src, dest); |
| 540 |
return AVERROR(EINVAL);
|
| 541 |
} |
| 542 |
memcpy(dest, src, sizeof(*dest));
|
| 543 |
|
| 544 |
/* set values specific to opened codecs back to their default state */
|
| 545 |
dest->priv_data = NULL;
|
| 546 |
dest->codec = NULL;
|
| 547 |
dest->palctrl = NULL;
|
| 548 |
dest->slice_offset = NULL;
|
| 549 |
dest->internal_buffer = NULL;
|
| 550 |
dest->hwaccel = NULL;
|
| 551 |
dest->thread_opaque = NULL;
|
| 552 |
|
| 553 |
/* reallocate values that should be allocated separately */
|
| 554 |
dest->rc_eq = NULL;
|
| 555 |
dest->extradata = NULL;
|
| 556 |
dest->intra_matrix = NULL;
|
| 557 |
dest->inter_matrix = NULL;
|
| 558 |
dest->rc_override = NULL;
|
| 559 |
if (src->rc_eq) {
|
| 560 |
dest->rc_eq = av_strdup(src->rc_eq); |
| 561 |
if (!dest->rc_eq)
|
| 562 |
return AVERROR(ENOMEM);
|
| 563 |
} |
| 564 |
|
| 565 |
#define alloc_and_copy_or_fail(obj, size, pad) \
|
| 566 |
if (src->obj && size > 0) { \ |
| 567 |
dest->obj = av_malloc(size + pad); \ |
| 568 |
if (!dest->obj) \
|
| 569 |
goto fail; \
|
| 570 |
memcpy(dest->obj, src->obj, size); \ |
| 571 |
if (pad) \
|
| 572 |
memset(((uint8_t *) dest->obj) + size, 0, pad); \
|
| 573 |
} |
| 574 |
alloc_and_copy_or_fail(extradata, src->extradata_size, |
| 575 |
FF_INPUT_BUFFER_PADDING_SIZE); |
| 576 |
alloc_and_copy_or_fail(intra_matrix, 64 * sizeof(int16_t), 0); |
| 577 |
alloc_and_copy_or_fail(inter_matrix, 64 * sizeof(int16_t), 0); |
| 578 |
alloc_and_copy_or_fail(rc_override, src->rc_override_count * sizeof(*src->rc_override), 0); |
| 579 |
#undef alloc_and_copy_or_fail
|
| 580 |
|
| 581 |
return 0; |
| 582 |
|
| 583 |
fail:
|
| 584 |
av_freep(&dest->rc_override); |
| 585 |
av_freep(&dest->intra_matrix); |
| 586 |
av_freep(&dest->inter_matrix); |
| 587 |
av_freep(&dest->extradata); |
| 588 |
av_freep(&dest->rc_eq); |
| 589 |
return AVERROR(ENOMEM);
|
| 590 |
} |