X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=doc%2Fffmpeg-formats.texi;h=e205caabeba5c75a274f26ff6dd15b9822864cbf;hb=37a9708391ae1fc202f090f24039b242f308c303;hp=db9215c616f1cfe07eb179a038cc4db60daf3141;hpb=6c8ac2d78230990f3a01be28d3ef68fb281d6609;p=ffmpeg diff --git a/doc/ffmpeg-formats.texi b/doc/ffmpeg-formats.texi index db9215c616f..e205caabeba 100644 --- a/doc/ffmpeg-formats.texi +++ b/doc/ffmpeg-formats.texi @@ -17,147 +17,7 @@ provided by the libavformat library. @c man end DESCRIPTION -@chapter Format Options -@c man begin FORMAT OPTIONS - -The libavformat library provides some generic global options, which -can be set on all the muxers and demuxers. In addition each muxer or -demuxer may support so-called private options, which are specific for -that component. - -Options may be set by specifying -@var{option} @var{value} in the -FFmpeg tools, or by setting the value explicitly in the -@code{AVFormatContext} options or using the @file{libavutil/opt.h} API -for programmatic use. - -The list of supported options follows: - -@table @option -@item avioflags @var{flags} (@emph{input/output}) -Possible values: -@table @samp -@item direct -Reduce buffering. -@end table - -@item probesize @var{integer} (@emph{input}) -Set probing size in bytes, i.e. the size of the data to analyze to get -stream information. A higher value will allow to detect more -information in case it is dispersed into the stream, but will increase -latency. Must be an integer not lesser than 32. It is 5000000 by default. - -@item packetsize @var{integer} (@emph{output}) -Set packet size. - -@item fflags @var{flags} (@emph{input/output}) -Set format flags. - -Possible values: -@table @samp -@item ignidx -Ignore index. -@item genpts -Generate PTS. -@item nofillin -Do not fill in missing values that can be exactly calculated. -@item noparse -Disable AVParsers, this needs @code{+nofillin} too. -@item igndts -Ignore DTS. -@item discardcorrupt -Discard corrupted frames. -@item sortdts -Try to interleave output packets by DTS. -@item keepside -Do not merge side data. -@item latm -Enable RTP MP4A-LATM payload. -@item nobuffer -Reduce the latency introduced by optional buffering -@end table - -@item analyzeduration @var{integer} (@emph{input}) -Specify how many microseconds are analyzed to probe the input. A -higher value will allow to detect more accurate information, but will -increase latency. It defaults to 5,000,000 microseconds = 5 seconds. - -@item cryptokey @var{hexadecimal string} (@emph{input}) -Set decryption key. - -@item indexmem @var{integer} (@emph{input}) -Set max memory used for timestamp index (per stream). - -@item rtbufsize @var{integer} (@emph{input}) -Set max memory used for buffering real-time frames. - -@item fdebug @var{flags} (@emph{input/output}) -Print specific debug info. - -Possible values: -@table @samp -@item ts -@end table - -@item max_delay @var{integer} (@emph{input/output}) -Set maximum muxing or demuxing delay in microseconds. - -@item fpsprobesize @var{integer} (@emph{input}) -Set number of frames used to probe fps. - -@item audio_preload @var{integer} (@emph{output}) -Set microseconds by which audio packets should be interleaved earlier. - -@item chunk_duration @var{integer} (@emph{output}) -Set microseconds for each chunk. - -@item chunk_size @var{integer} (@emph{output}) -Set size in bytes for each chunk. - -@item err_detect, f_err_detect @var{flags} (@emph{input}) -Set error detection flags. @code{f_err_detect} is deprecated and -should be used only via the @command{ffmpeg} tool. - -Possible values: -@table @samp -@item crccheck -Verify embedded CRCs. -@item bitstream -Detect bitstream specification deviations. -@item buffer -Detect improper bitstream length. -@item explode -Abort decoding on minor error detection. -@item careful -Consider things that violate the spec and have not been seen in the -wild as errors. -@item compliant -Consider all spec non compliancies as errors. -@item aggressive -Consider things that a sane encoder should not do as an error. -@end table - -@item use_wallclock_as_timestamps @var{integer} (@emph{input}) -Use wallclock as timestamps. - -@item avoid_negative_ts @var{integer} (@emph{output}) -Shift timestamps to make them positive. A value of 1 enables shifting, -a value of 0 disables it, the default value of -1 enables shifting -when required by the target format. - -When shifting is enabled, all output timestamps are shifted by the -same amount. Audio, video, and subtitles desynching and relative -timestamp differences are preserved compared to how they would have -been without shifting. - -Also note that this affects only leading negative timestamps, and not -non-monotonic negative timestamps. -@end table - -@c man end FORMAT OPTIONS - -@include demuxers.texi -@include muxers.texi -@include metadata.texi +@include formats.texi @chapter See Also