apng: Support inter-frame compression

Multimedia / FFmpeg - Donny Yang [kota.moe] - 27 August 2015 21:25 UTC

The current algorithm is just "try all the combinations, and pick the best". It's not very fast either, probably due to a lot of copying, but will do for an initial implementation.

51ca703 apng: Support inter-frame compression
libavcodec/pngenc.c | 420 ++++++++++++++++++++++++++++++++++++++++++++++-----
1 file changed, 384 insertions(+), 36 deletions(-)

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