[FFmpeg-cvslog] avcodec/ffv1enc: Simplify last_val update

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Mon Mar 24 16:29:39 2025 +0100| [836add03a890abb03bd0c2dc3e7817f605c02be3] | committer: Michael Niedermayer

avcodec/ffv1enc: Simplify last_val update

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=836add03a890abb03bd0c2dc3e7817f605c02be3
---

 libavcodec/ffv1enc.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index a99bddd548..eafa62b75f 100644
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -1343,8 +1343,8 @@ static int encode_float32_remap_segment(FFV1SliceContext *sc,
                 if (step == 1) {
                     s.delta_stack[s.run] = delta;
                     s.run ++;
-                    av_assert2(s.i == s.pixel_num || s.last_val + current_mul + delta == sc->unit[s.p][s.i].val);
-                    s.last_val += current_mul + delta;
+                    av_assert2(s.last_val + current_mul + delta == val);
+                    s.last_val = val;
                 } else {
                     put_symbol_inline(&s.rc, s.state[s.lu][0], s.run, 0, NULL, NULL);
 
@@ -1370,9 +1370,8 @@ static int encode_float32_remap_segment(FFV1SliceContext *sc,
                 if (step == 1)
                     s.lu ^= 1;
 
-                av_assert2(s.i == s.pixel_num || s.last_val + step * current_mul + delta == sc->unit[s.p][s.i].val);
-                if (s.i < s.pixel_num)
-                    s.last_val = sc->unit[s.p][s.i].val;
+                av_assert2(s.last_val + step * current_mul + delta == val);
+                s.last_val = val;
             }
             s.current_mul_index = ((s.last_val + 1) * s.mul_count) >> 32;
             if (!s.run)