ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue Mar 25 13:35:11 2025 +0100| [226fcc7258ca0a6bc74c19acc8d2fe181393bfb1] | committer: Michael Niedermayer
avcodec/ffv1enc: Store run1start_mul_index instead of computing There is a special case I missed, its simpler to just store Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=226fcc7258ca0a6bc74c19acc8d2fe181393bfb1 --- libavcodec/ffv1enc.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c index d28cb8f570..bc59f96746 100644 --- a/libavcodec/ffv1enc.c +++ b/libavcodec/ffv1enc.c @@ -1268,6 +1268,7 @@ typedef struct RemapEncoderState { int run1final; int64_t run1start_i; int64_t run1start_last_val; + int run1start_mul_index; } RemapEncoderState; static inline void copy_state(RemapEncoderState *dst, const RemapEncoderState *src) @@ -1287,6 +1288,7 @@ static inline void copy_state(RemapEncoderState *dst, const RemapEncoderState *s dst->run1final = src->run1final; dst->run1start_i = src->run1start_i; dst->run1start_last_val = src->run1start_last_val; + dst->run1start_mul_index = src->run1start_mul_index; } static int encode_float32_remap_segment(FFV1SliceContext *sc, @@ -1337,6 +1339,7 @@ static int encode_float32_remap_segment(FFV1SliceContext *sc, if (!s.run) { s.run1start_i = s.i - 1; s.run1start_last_val = s.last_val; + s.run1start_mul_index= s.current_mul_index; } if (step == 1) { if (s.run1final) { @@ -1355,9 +1358,7 @@ static int encode_float32_remap_segment(FFV1SliceContext *sc, put_symbol_inline(&s.rc, s.state[s.lu][0], s.run, 0, NULL, NULL); s.i = s.run1start_i; s.last_val = s.run1start_last_val; // we could compute this instead of storing - av_assert2(s.last_val >= 0 && s.i >= 0); // first state is zero run so we cant have this in a one run and current_mul_index would be -1 - if (s.run) - s.current_mul_index = ((s.last_val + 1) * s.mul_count) >> 32; + s.current_mul_index = s.run1start_mul_index; } s.run1final ^= 1; _______________________________________________ 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".
