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avcodec: add avcodec_get_supported_config()

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This replaces the myriad of existing lists in AVCodec by a unified API
call, allowing us to (ultimately) trim down the sizeof(AVCodec) quite
substantially, while also making this more trivially extensible.

In addition to the already covered lists, add two new entries for color
space and color range, mirroring the newly added negotiable fields in
libavfilter.

Once the deprecation period passes for the existing public fields, the
rough plan is to move the commonly used fields (such as
pix_fmt/sample_fmt) into FFCodec, possibly as a union of audio and video
configuration types, and then implement the rarely used fields with
custom callbacks.
This commit is contained in:
Niklas Haas
2024-04-03 22:19:28 +02:00
parent 703288cec6
commit 3305767560
6 changed files with 172 additions and 5 deletions
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doc/APIchanges
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@ -2,6 +2,11 @@ The last version increases of all libraries were on 2024-03-07
API changes, most recent first:
2024-08-xx - xxxxxxxxxx - lavc 61.12.100 - avcodec.h
Add avcodec_get_supported_config() and enum AVCodecConfig; deprecate
AVCodec.pix_fmts, AVCodec.sample_fmts, AVCodec.supported_framerates,
AVCodec.supported_samplerates and AVCodec.ch_layouts.
2024-xx-xx - xxxxxxx - lavc 61.12.100 - defs.h
Add AV_PROFILE_HEVC_MULTIVIEW_MAIN