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[FFmpeg-devel,v2,30/71] avcodec/mpegvideo: Restrict resetting mbskip_table to MPEG-4 decoder

Message ID GV1P250MB07373B22A53DF3E72C8BCDBA8FE02@GV1P250MB0737.EURP250.PROD.OUTLOOK.COM
State New
Headers show
Series [FFmpeg-devel,v2,01/71] avcodec/ratecontrol: Fix double free on error | expand

Commit Message

Andreas Rheinhardt May 11, 2024, 8:50 p.m. UTC 
This is done due to invalid input and therefore the encoder is not
affected by it.

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

diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index d82a89566c..4b1f882105 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -616,7 +616,7 @@  int ff_mpv_init_context_frame(MpegEncContext *s)
         }
         if (s->codec_id == AV_CODEC_ID_MPEG4) {
             ALLOC_POOL(mbskip_table, mb_array_size + 2,
-                       FF_REFSTRUCT_POOL_FLAG_ZERO_EVERY_TIME);
+                       !s->encoding ? FF_REFSTRUCT_POOL_FLAG_ZERO_EVERY_TIME : 0);
             if (!s->encoding) {
                 /* cbp, pred_dir */
                 if (!(s->cbp_table      = av_mallocz(mb_array_size)) ||