X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=doc%2Fmuxers.texi;h=06483fa4aee054f49497c269f55c4f8818794764;hb=957f92729a3ea24c6f565ca33573ff12189e9a4e;hp=86ca4ad767a777d4a090934e3e8cf3e8f0113ddc;hpb=c096226ae614ef56985f9e90370227c6ff6b917e;p=ffmpeg diff --git a/doc/muxers.texi b/doc/muxers.texi index 86ca4ad767a..06483fa4aee 100644 --- a/doc/muxers.texi +++ b/doc/muxers.texi @@ -37,6 +37,41 @@ ID3v2.3 and ID3v2.4) are supported. The default is version 4. @end table +@anchor{chromaprint} +@section chromaprint + +Chromaprint fingerprinter + +This muxer feeds audio data to the Chromaprint library, which generates +a fingerprint for the provided audio data. It takes a single signed +native-endian 16-bit raw audio stream. + +@subsection Options + +@table @option +@item silence_threshold +Threshold for detecting silence, ranges from 0 to 32767. -1 for default +(required for use with the AcoustID service). + +@item algorithm +Algorithm index to fingerprint with. + +@item fp_format +Format to output the fingerprint as. Accepts the following options: +@table @samp +@item raw +Binary raw fingerprint + +@item compressed +Binary compressed fingerprint + +@item base64 +Base64 compressed fingerprint + +@end table + +@end table + @anchor{crc} @section crc @@ -1237,7 +1272,8 @@ Several bitstream filters can be specified, separated by ",". @item select Select the streams that should be mapped to the slave output, specified by a stream specifier. If not specified, this defaults to -all the input streams. +all the input streams. You may use multiple stream specifiers +separated by commas (@code{,}) e.g.: @code{a:0,v} @end table @subsection Examples