[FFmpeg-devel] [PATCH 4/7] avcodec/vc2enc: Fix slice length

Andreas Rheinhardt andreas.rheinhardt at outlook.com
Tue May 28 05:49:09 EEST 2024


args->bytes here already includes prefix_bytes (see
SSIZE_ROUND macro), so including it here again and
forgetting it when offsetting skip seems wrong.
This only works because prefix_bytes is currently
always zero in this encoder.
(This has been added in b88be742fac7a77a8095e8155ba8790db4b77568
without any reason.)

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
---
 libavcodec/vc2enc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vc2enc.c b/libavcodec/vc2enc.c
index f39f368181..3285218724 100644
--- a/libavcodec/vc2enc.c
+++ b/libavcodec/vc2enc.c
@@ -788,7 +788,7 @@ static int encode_slices(VC2EncContext *s)
     for (slice_y = 0; slice_y < s->num_y; slice_y++) {
         for (slice_x = 0; slice_x < s->num_x; slice_x++) {
             SliceArgs *args = &enc_args[s->num_x*slice_y + slice_x];
-            init_put_bits(&args->pb, buf + skip, args->bytes+s->prefix_bytes);
+            init_put_bits(&args->pb, buf + skip, args->bytes);
             skip += args->bytes;
         }
     }
-- 
2.40.1



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