[FFmpeg-cvslog] doc/muxers: add avif

[Stefano Sabatini]

ffmpeg | branch: master | Stefano Sabatini <stefasab at gmail.com> | Sun Jan 14 16:53:10 2024 +0100| [f7b410fac2048478f3e615d52b9ec643dee40fd1] | committer: Stefano Sabatini

doc/muxers: add avif

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f7b410fac2048478f3e615d52b9ec643dee40fd1
---

 doc/muxers.texi | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/doc/muxers.texi b/doc/muxers.texi
index 1636f16cab..0d163a1629 100644
--- a/doc/muxers.texi
+++ b/doc/muxers.texi
@@ -835,6 +835,33 @@ compatibility with software that only supports a single audio stream in AVI
 (see @ref{amerge,,the "amerge" section in the ffmpeg-filters manual,ffmpeg-filters}).
 @end table
 
+ at section avif
+AV1 (Alliance for Open Media Video codec 1) image format muxer.
+
+This muxers stores images encoded using the AV1 codec.
+
+It accepts one or two video streams. In case two video streams are
+provided, the second one shall contain a single plane storing the
+alpha mask.
+
+In case more than one image is provided, the generated output is
+considered an animated AVIF and the number of loops can be specified
+with the @option{loop} option.
+
+This is based on the specification by Alliance for Open Media at url
+ at url{https://aomediacodec.github.io/av1-avif}.
+
+ at subsection Options
+ at table @option
+ at item loop @var{count}
+number of times to loop an animated AVIF, @code{0} specify an infinite
+loop, default is @code{0}
+
+ at item movie_timescale @var{timescale}
+Set the timescale written in the movie header box (@code{mvhd}).
+Range is 1 to INT_MAX. Default is @code{1000}.
+ at end table
+
 @anchor{chromaprint}
 @section chromaprint
 
@@ -2048,7 +2075,6 @@ If a PNG image is used, it must use the rgba pixel format
 
 @anchor{image2}
 @section image2
-
 Image file muxer.
 
 The image file muxer writes video frames to image files.