ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Wed Oct 16 21:20:42 2024 +0200| [b2da4c33e31f85b9c755f2cdb08f5db694e90ca9] | committer: Michael Niedermayer
avcodec/rangecoder: eliminate main branch from renorm_encoder() Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b2da4c33e31f85b9c755f2cdb08f5db694e90ca9 --- libavcodec/rangecoder.h | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/libavcodec/rangecoder.h b/libavcodec/rangecoder.h index cdd99eff56..15217a99a3 100644 --- a/libavcodec/rangecoder.h +++ b/libavcodec/rangecoder.h @@ -61,17 +61,12 @@ void ff_build_rac_states(RangeCoder *c, int factor, int max_p); static inline void renorm_encoder(RangeCoder *c) { - // FIXME: optimize - if (c->low <= 0xFF00) { - *c->bytestream = c->outstanding_byte; + if (c->low - 0xFF01 >= 0x10000 - 0xFF01U) { + int mask = c->low - 0xFF01 >> 31; + *c->bytestream = c->outstanding_byte + 1 + mask; c->bytestream += c->outstanding_byte >= 0; for (; c->outstanding_count; c->outstanding_count--) - *c->bytestream++ = 0xFF; - c->outstanding_byte = c->low >> 8; - } else if (c->low >= 0x10000) { - *c->bytestream++ = c->outstanding_byte + 1; - for (; c->outstanding_count; c->outstanding_count--) - *c->bytestream++ = 0x00; + *c->bytestream++ = mask; c->outstanding_byte = c->low >> 8; } else { c->outstanding_count++; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
