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8a68697dc6
This enables non interleaved AVI mode for example. Players that are picky on strict interleaving can set this. Patches to only switch to non intereaved AVI mode when the index is not strictly correctly interleaved are welcome. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
88 lines
4.0 KiB
C
88 lines
4.0 KiB
C
/*
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* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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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#include "avformat.h"
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#include "libavutil/opt.h"
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/**
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* @file
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* Options definition for AVFormatContext.
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*/
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static const char* format_to_name(void* ptr)
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{
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AVFormatContext* fc = (AVFormatContext*) ptr;
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if(fc->iformat) return fc->iformat->name;
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else if(fc->oformat) return fc->oformat->name;
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else return "NULL";
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}
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#define OFFSET(x) offsetof(AVFormatContext,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 E AV_OPT_FLAG_ENCODING_PARAM
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#define D AV_OPT_FLAG_DECODING_PARAM
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static const AVOption options[]={
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{"probesize", "set probing size", OFFSET(probesize), FF_OPT_TYPE_INT, 5000000, 32, INT_MAX, D},
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{"muxrate", "set mux rate", OFFSET(mux_rate), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, E},
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{"packetsize", "set packet size", OFFSET(packet_size), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, E},
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{"fflags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, D|E, "fflags"},
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{"ignidx", "ignore index", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_IGNIDX, INT_MIN, INT_MAX, D, "fflags"},
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{"genpts", "generate pts", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_GENPTS, INT_MIN, INT_MAX, D, "fflags"},
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{"nofillin", "do not fill in missing values that can be exactly calculated", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_NOFILLIN, INT_MIN, INT_MAX, D, "fflags"},
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{"noparse", "disable AVParsers, this needs nofillin too", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_NOPARSE, INT_MIN, INT_MAX, D, "fflags"},
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{"igndts", "ignore dts", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_IGNDTS, INT_MIN, INT_MAX, D, "fflags"},
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{"rtphint", "add rtp hinting", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_RTP_HINT, INT_MIN, INT_MAX, E, "fflags"},
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{"sortdts", "try to interleave outputted packets by dts", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_SORT_DTS, INT_MIN, INT_MAX, D, "fflags"},
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{"analyzeduration", "how many microseconds are analyzed to estimate duration", OFFSET(max_analyze_duration), FF_OPT_TYPE_INT, 5*AV_TIME_BASE, 0, INT_MAX, D},
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{"cryptokey", "decryption key", OFFSET(key), FF_OPT_TYPE_BINARY, 0, 0, 0, D},
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{"indexmem", "max memory used for timestamp index (per stream)", OFFSET(max_index_size), FF_OPT_TYPE_INT, 1<<20, 0, INT_MAX, D},
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{"rtbufsize", "max memory used for buffering real-time frames", OFFSET(max_picture_buffer), FF_OPT_TYPE_INT, 3041280, 0, INT_MAX, D}, /* defaults to 1s of 15fps 352x288 YUYV422 video */
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{"fdebug", "print specific debug info", OFFSET(debug), FF_OPT_TYPE_FLAGS, DEFAULT, 0, INT_MAX, E|D, "fdebug"},
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{"ts", NULL, 0, FF_OPT_TYPE_CONST, FF_FDEBUG_TS, INT_MIN, INT_MAX, E|D, "fdebug"},
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{"max_delay", "maximum muxing or demuxing delay in microseconds", OFFSET(max_delay), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, E|D},
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{NULL},
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};
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#undef E
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#undef D
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#undef DEFAULT
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static const AVClass av_format_context_class = { "AVFormatContext", format_to_name, options, LIBAVUTIL_VERSION_INT };
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static void avformat_get_context_defaults(AVFormatContext *s)
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{
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memset(s, 0, sizeof(AVFormatContext));
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s->av_class = &av_format_context_class;
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av_opt_set_defaults(s);
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}
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AVFormatContext *avformat_alloc_context(void)
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{
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AVFormatContext *ic;
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ic = av_malloc(sizeof(AVFormatContext));
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if (!ic) return ic;
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avformat_get_context_defaults(ic);
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ic->av_class = &av_format_context_class;
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return ic;
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}
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