Update ffmpeg.
Correct result of scePsmfGetVideoInfo().
Clean up scePsmf logging.
Clean up scePsmfPlayer logging.

Move a bunch of things from errors.
Re-enable subimage optimization with scaling fix.

Thanks go to @Squall-Leonhart for finding the issue.
Fixed a build error on 64-bit linux.
Merge pull request #2250 from chaserhkj/fix

Fixed a build error on 64-bit linux.
Fixed a build error of qt interface on Linux
Update ffmpeg, should fix #2253 (at least the reference is not a tree error)
Merge pull request #2247 from unknownbrackets/psmf-minor

Clean up logging in scePsmf*, update ffmpeg
Merge pull request #2249 from unknownbrackets/texcache

Re-enable subimage optimization with scaling check
Merge pull request #2254 from chaserhkj/fix

Fixed a build error of qt interface on Linux
Still need to delete textures when scaling on.

Duh.  Fixes #2255.
Don't return less than ffmpeg wants 'til the end.

Fixes #2223 (at least for the games I have.)
Delay video decode until we have enough packets.
Merge pull request #2256 from unknownbrackets/mpeg-fix

Don't return less than ffmpeg wants 'til the end
Implement scePsmfGetNumberOfSpecificStreams.
fix wrong video/audio stream channel.
Merge pull request #2258 from oioitff/mpeg-fix

Implement scePsmfGetNumberOfSpecificStreams and fix wrong video/audio stream channel.
Remove redundant vmov instructions (seen in wipeout)