diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/muxers.texi | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/muxers.texi b/doc/muxers.texi index 6e06e463f1..5f20cbcbd2 100644 --- a/doc/muxers.texi +++ b/doc/muxers.texi @@ -437,9 +437,10 @@ optionally an ID3v1 tag at the end. ID3v2.3 and ID3v2.4 are supported, the @code{id3v2_version} option controls which one is used. The legacy ID3v1 tag is not written by default, but may be enabled with the @code{write_id3v1} option. -For seekable output the muxer also writes a Xing frame at the beginning, which -contains the number of frames in the file. It is useful for computing duration -of VBR files. +The muxer may also write a Xing frame at the beginning, which contains the +number of frames in the file. It is useful for computing duration of VBR files. +The Xing frame is written if the output stream is seekable and if the +@code{write_xing} option is set to 1 (the default). The muxer supports writing ID3v2 attached pictures (APIC frames). The pictures are supplied to the muxer in form of a video stream with a single packet. There |