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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-02-20 07:48:15 +02:00
FFmpeg/libavcodec
Andreas Rheinhardt fe9bc1cc45 avcodec/mpeg12dec: Optimize reading mpeg2 intra escape codes
Said escape code is only six bits long, so that one has at least 25 - 6
bits in the bitstream reader's cache after reading it; therefore the
whole following 18 bits (containing the actual code) are already in the
bitstream reader's cache, making it unnecessary to reload the cache.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
2020-10-10 04:26:38 +02:00
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