Andreas Rheinhardt f5d5b80f3c avcodec/mpegutils: Don't use MB_TYPE_L[01] for mpegvideo ...

MB_TYPE_L[01] is based upon H.264 terminology (it stands for
list); yet the mpegvideo based decoders don't have lists
of reference frames, they have at most one forward and one
backward reference. So use terminology based upon this.

This also has a second advantage: MB_TYPE_L[01] is actually
an OR of two flags (which are set independently for H.264,
but aren't for mpegvideo). Switching to different flags
makes the flags fit into an int16_t, which will be useful
in future commits.

The only downside to this is a very small amount of code
in error_resilience.c and mpegutils.c (the only code shared
between the H.264 decoder and mpegvideo).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

2024-06-20 18:58:38 +02:00

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