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avcodec/ffv1enc: Fix end handling

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This also produces smaller files

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2025-03-25 12:30:41 +01:00
parent 430065a97b
commit d4a23e6640
1 changed files with 4 additions and 1 deletions
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5
libavcodec/ffv1enc.c
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@ -1315,7 +1315,9 @@ static int encode_float32_remap_segment(FFV1SliceContext *sc,
if (s.last_val == 0xFFFFFFFF) { if (s.last_val == 0xFFFFFFFF) {
break; break;
} else { } else {
val = 1LL<<32; val = s.last_val + ((1LL<<32) - s.last_val + current_mul - 1) / current_mul * current_mul;
av_assert2(val >= (1LL<<32));
val += s.lu * current_mul; //ensure a run1 ends
} }
} else } else
val = sc->unit[s.p][s.i].val; val = sc->unit[s.p][s.i].val;
@ -1379,6 +1381,7 @@ static int encode_float32_remap_segment(FFV1SliceContext *sc,
if (!s.run || s.run1final) { if (!s.run || s.run1final) {
av_assert2(s.mul[ s.current_mul_index ]); av_assert2(s.mul[ s.current_mul_index ]);
if (s.mul[ s.current_mul_index ] < 0) { if (s.mul[ s.current_mul_index ] < 0) {
av_assert2(s.i < s.pixel_num);
s.mul[ s.current_mul_index ] *= -1; s.mul[ s.current_mul_index ] *= -1;
put_symbol_inline(&s.rc, s.state[0][2], s.mul[ s.current_mul_index ], 0, NULL, NULL); put_symbol_inline(&s.rc, s.state[0][2], s.mul[ s.current_mul_index ], 0, NULL, NULL);
} }