[FFmpeg-devel] [PATCH v15 1/2] avformat/imf: Demuxer

[Zane van Iperen]

On 27/12/21 10:47, pal at sandflow.com wrote:
> From: Pierre-Anthony Lemieux <pal at palemieux.com>
> 
> Signed-off-by: Pierre-Anthony Lemieux <pal at palemieux.com>
> ---
> 
> Notes:
>      The IMF demuxer accepts as input an IMF CPL. The assets referenced by the CPL can be
>      contained in multiple deliveries, each defined by an ASSETMAP file:
>      
>      ffmpeg -assetmaps <path of ASSETMAP1>,<path of ASSETMAP>,... -i <path of CPL>
>      
>      If -assetmaps is not specified, FFMPEG looks for a file called ASSETMAP.xml in the same directory as the CPL.
>      
>      EXAMPLE:
>          ffmpeg -i http://ffmpeg-imf-samples-public.s3-website-us-west-1.amazonaws.com/countdown/CPL_f5095caa-f204-4e1c-8a84-7af48c7ae16b.xml out.mp4
>      
>      The Interoperable Master Format (IMF) is a file-based media format for the
>      delivery and storage of professional audio-visual masters.
>      An IMF Composition consists of an XML playlist (the Composition Playlist)
>      and a collection of MXF files (the Track Files). The Composition Playlist (CPL)
>      assembles the Track Files onto a timeline, which consists of multiple tracks.
>      The location of the Track Files referenced by the Composition Playlist is stored
>      in one or more XML documents called Asset Maps. More details at https://www.imfug.com/explainer.
>      The IMF standard was first introduced in 2013 and is managed by the SMPTE.
>      
>      CHANGE NOTES:
>      
>      - improve code style
> 
>   MAINTAINERS              |   1 +
>   configure                |   3 +-
>   doc/demuxers.texi        |   6 +
>   libavformat/Makefile     |   1 +
>   libavformat/allformats.c |   1 +
>   libavformat/imf.h        | 207 +++++++++
>   libavformat/imf_cpl.c    | 841 ++++++++++++++++++++++++++++++++++++
>   libavformat/imfdec.c     | 899 +++++++++++++++++++++++++++++++++++++++
>   8 files changed, 1958 insertions(+), 1 deletion(-)
>   create mode 100644 libavformat/imf.h
>   create mode 100644 libavformat/imf_cpl.c
>   create mode 100644 libavformat/imfdec.c
> 

Both patches lgtm, I'll apply in a few days if no objections.