On date Tuesday 2024-03-12 22:17:36 +0100, Andreas Rheinhardt wrote:
> Stefano Sabatini:
> > ---
> >  doc/muxers.texi | 11 +++++++++++
> >  1 file changed, 11 insertions(+)
> > 
> > diff --git a/doc/muxers.texi b/doc/muxers.texi
> > index de4b9b01f5..64d9221198 100644
> > --- a/doc/muxers.texi
> > +++ b/doc/muxers.texi
> > @@ -1612,6 +1612,17 @@ This image format is used to store astronomical data.
> >  For more information regarding the format, visit
> >  @url{https://fits.gsfc.nasa.gov}.
> >  
> > +@section flac
> > +Raw FLAC audio muxer.
> > +
> > +This muxer accepts exactly one FLAC audio stream. Additionally, it is 
> > possible to add a
> > +single 32x32 PNG image as attached picture.
> 

> This is wrong: Way more attached pictures are supported. The restriction
> you are referring to only applies to pictures of type "32x32 pixels
> 'file icon'".

Dropped mention to this limitation and amended, it's probably better
documented in the code than in the doc itself.
>From fce90431bba4f729521195d2ea8067a4f11a9a3d Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefa...@gmail.com>
Date: Tue, 12 Mar 2024 22:00:09 +0100
Subject: [PATCH] doc/muxers: add flac

---
 doc/muxers.texi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/doc/muxers.texi b/doc/muxers.texi
index 454f2347cf..fe4be49b1c 100644
--- a/doc/muxers.texi
+++ b/doc/muxers.texi
@@ -1576,6 +1576,26 @@ This image format is used to store astronomical data.
 For more information regarding the format, visit
 @url{https://fits.gsfc.nasa.gov}.
 
+@section flac
+Raw FLAC audio muxer.
+
+This muxer accepts exactly one FLAC audio stream. Additionally, it is possible to add
+images with disposition @samp{attached_pic}.
+
+@subsection Options
+@table @option
+@item write_header @var{bool}
+write the file header if set to @code{true}, default is @code{true}
+@end table
+
+@subsection Example
+Use @command{ffmpeg} to store the audio stream from an input file,
+together with several pictures used with @samp{attached_pic}
+disposition:
+@example
+ffmpeg -i INPUT -i pic1.png -i pic2.jpg -map 0:a -map 1 -map 2 -disposition:v attached_pic OUTPUT
+@end example
+
 @section flv
 
 Adobe Flash Video Format muxer.
-- 
2.34.1

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