[FFmpeg-devel] [PATCH v3 0/5] add PCM in mp4 support

[FFmpeg-devel] [PATCH v3 0/5] add PCM in mp4 support

[Zhao Zhili]

From: Zhao Zhili <zhilizhao@tencent.com>

This patchset adds support of demux/mux PCM in mp4, and related channel
layout information. PCM in mp4 is defined by ISO/IEC 23003-5. The channel
layout tag 'chn' is defined by ISO/IEC 14496-12 with reference to ISO/IEC
23001-8.

v3:
1. Rebase on master
2. Reorder the patchset to add demux support first, then mux
3. Add pcmC and chnl support in a single patch to movenc

v2:
1/8: simplied with switch-case
2-3/8: cherry-picked from jeeb's work
4/8: use switch-case and add log message
5/8:
6/8: 
  a. check version and flags
  b. support number of channels >= 64 with custom layout
  c. fix some channel layout operations like assignment directly
  d. return error for unsupported channel configurations
  e. warning when skiping bytes
7/8: support number of channels >= 64
8/8: fix fate-mov-mp4-pcm-float dependency

Zhao Zhili (5):
  avformat/mov: fix ISO/IEC 23003-5 support
  avformat/isom_tags: remove ipcm from movaudio_tags
  avformat/mov: parse ISO-14496-12 ChannelLayout
  avformat/movenc: add PCM in mp4 support
  fate/mov: add PCM in mp4 test

 libavformat/isom.h               |   2 +
 libavformat/isom_tags.c          |   2 -
 libavformat/mov.c                | 134 +++++++++++++-
 libavformat/mov_chan.c           | 296 +++++++++++++++++++++++++++++++
 libavformat/mov_chan.h           |  26 +++
 libavformat/movenc.c             |  84 ++++++++-
 tests/fate/mov.mak               |  12 ++
 tests/filtergraphs/mov-mp4-pcm   |   5 +
 tests/ref/fate/mov-mp4-pcm       |  27 +++
 tests/ref/fate/mov-mp4-pcm-float |   7 +
 10 files changed, 591 insertions(+), 4 deletions(-)
 create mode 100644 tests/filtergraphs/mov-mp4-pcm
 create mode 100644 tests/ref/fate/mov-mp4-pcm
 create mode 100644 tests/ref/fate/mov-mp4-pcm-float

-- 
2.25.1

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Re: [FFmpeg-devel] [PATCH v3 0/5] add PCM in mp4 support

[Zhao Zhili]

On Mon, 2023-03-06 at 20:02 +0800, Zhao Zhili wrote:
> From: Zhao Zhili <zhilizhao@tencent.com>
> 
> This patchset adds support of demux/mux PCM in mp4, and related channel
> layout information. PCM in mp4 is defined by ISO/IEC 23003-5. The channel
> layout tag 'chn' is defined by ISO/IEC 14496-12 with reference to ISO/IEC
> 23001-8.
> 
> v3:
> 1. Rebase on master
> 2. Reorder the patchset to add demux support first, then mux
> 3. Add pcmC and chnl support in a single patch to movenc

Will apply soon if no objection.
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