[FFmpeg-cvslog] avcodec/mpeg12dec: Really disable scratchpad allocations

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Tue Feb 25 16:40:56 2025 +0100| [8d871622542bd596ecf041eceb11716a2b4e47bb] | committer: Andreas Rheinhardt

avcodec/mpeg12dec: Really disable scratchpad allocations

ba341be09533a077075c71fce5f9dc5b73504234 disabled them for
the main thread only, not the slice threads.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8d871622542bd596ecf041eceb11716a2b4e47bb
---

 libavcodec/mpeg12dec.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c
index abef0a6155..843640edbf 100644
--- a/libavcodec/mpeg12dec.c
+++ b/libavcodec/mpeg12dec.c
@@ -1001,7 +1001,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
         if ((ret = ff_mpv_common_init(s)) < 0)
             return ret;
         if (!s->avctx->lowres)
-            ff_mpv_framesize_disable(&s->sc);
+            for (int i = 0; i < s->slice_context_count; i++)
+                ff_mpv_framesize_disable(&s->thread_context[i]->sc);
     }
     return 0;
 }
@@ -1874,7 +1875,8 @@ static int vcr2_init_sequence(AVCodecContext *avctx)
     if ((ret = ff_mpv_common_init(s)) < 0)
         return ret;
     if (!s->avctx->lowres)
-        ff_mpv_framesize_disable(&s->sc);
+        for (int i = 0; i < s->slice_context_count; i++)
+            ff_mpv_framesize_disable(&s->thread_context[i]->sc);
 
     for (i = 0; i < 64; i++) {
         int j = s->idsp.idct_permutation[i];