[FFmpeg-devel] [PATCH 01/47] avcodec/mpeg4videodec: Don't zero blocks twice

Andreas Rheinhardt ffmpegagent at gmail.com
Sun Jun 15 19:53:52 EEST 2025


From: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
---
 libavcodec/mpeg4videodec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index 313d73157f..32b2dec1d6 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -1745,11 +1745,11 @@ static int mpeg4_decode_mb(MpegEncContext *s, int16_t block[6][64])
             }
         } while (cbpc == 20);
 
-        s->bdsp.clear_blocks(s->block[0]);
         dquant      = cbpc & 8;
         s->mb_intra = ((cbpc & 4) != 0);
         if (s->mb_intra)
             goto intra;
+        s->bdsp.clear_blocks(s->block[0]);
 
         if (s->pict_type == AV_PICTURE_TYPE_S &&
             ctx->vol_sprite_usage == GMC_SPRITE && (cbpc & 16) == 0)
-- 
ffmpeg-codebot



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