[FFmpeg-devel] [PATCH v3 0/3] avformat/avienc: update write of master index

[Tobias Rapp]

Changes since version 1:

  Added suggested output stream duration hinting. Uses output stream duration
  and bitrate as a hint for better filesize guessing. If stream bitrate is
  unknown a worst-case value is assumed.

Changes since version 2:

  Removed the patch which changes avi muxer to fail hard immediately when a
  chained master index is to be written and "-strict" is above "normal".

Sidenote: Noticed during tests that most loss-less encoders don't set bitrate
and thus the options_table.h default value of 200k is used in avi_write_header.
Not sure whether to fix this per encoder or just clear bitrate somewhere in
avcodec_open2 based on AV_CODEC_PROP_LOSSLESS. I see this as a possible
improvement not blocking the current patch series.


Tobias Rapp (3):
  ffmpeg: pass output stream duration as a hint to the muxer
  avformat/avienc: add reserve_index_space option
  doc/muxers: add AVI muxer documentation

 doc/muxers.texi                         | 33 ++++++++++++++
 ffmpeg.c                                |  9 ++++
 libavformat/avformat.h                  |  3 ++
 libavformat/avi.h                       |  1 -
 libavformat/avienc.c                    | 77 ++++++++++++++++++++++++++++++---
 libavformat/version.h                   |  2 +-
 tests/ref/fate/mpeg4-bsf-unpack-bframes |  2 +-
 tests/ref/lavf-fate/avi_cram            |  2 +-
 8 files changed, 119 insertions(+), 10 deletions(-)

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1.9.1