[FFmpeg-devel] avcodec/hapqa_extract_bsf : add bsf filter for haqqa (to hapq or hapalpha only) conversion

[Martin Vignali]

Hello,

Like no comment have been made for the WIP version (November 2017),
ready to apply patchs in attach
pass fate on osx (x86_64)


Update :
- Add doc for new bsf filter

The goal is to convert HAPQA file to HAPQ (removing alpha)
or HAPAlphaOnly (remove rgb)

HAPQA data, is separate in two part, one for RGB data and one for alpha data
so we can make the conversion without losses, by copying the right part.


Martin
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