[FFmpeg-devel] [PATCH 5/5] avcodec/vc1: store zero MVs for all blocks in a MB

[Carl Eugen Hoyos]

2018-05-20 3:45 GMT+02:00, James Almer <jamrial at gmail.com>:

> I see no emms in either ff_clear_blocks_mmx() or anywhere in
> vc1_block.c, so either nobody tried this decoder on machines
> without sse

I do have access to an SSE-only system, I doubt FFmpeg was
used or tested on MMX-only systems in a very, very long time.

musl doesn't work regardless of this particular possible issue,
so it cannot be used to test it.

Carl Eugen