[FFmpeg-cvslog] avutil/hwcontext_d3d11va: fix texture_infos writes on non-fixed-size pools
Timo Rothenpieler
git at videolan.org
Mon Jul 18 03:09:26 EEST 2022
ffmpeg | branch: master | Timo Rothenpieler <timo at rothenpieler.org> | Wed Jul 6 01:32:27 2022 +0200| [30bbc0a624bc43fa4aaabd695546ad426d0d086b] | committer: Timo Rothenpieler
avutil/hwcontext_d3d11va: fix texture_infos writes on non-fixed-size pools
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=30bbc0a624bc43fa4aaabd695546ad426d0d086b
---
libavutil/hwcontext_d3d11va.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/libavutil/hwcontext_d3d11va.c b/libavutil/hwcontext_d3d11va.c
index e5afcb2a9d..6355bd1e29 100644
--- a/libavutil/hwcontext_d3d11va.c
+++ b/libavutil/hwcontext_d3d11va.c
@@ -166,6 +166,17 @@ static AVBufferRef *wrap_texture_buf(AVHWFramesContext *ctx, ID3D11Texture2D *te
return NULL;
}
+ if (s->nb_surfaces <= s->nb_surfaces_used) {
+ frames_hwctx->texture_infos = av_realloc_f(frames_hwctx->texture_infos,
+ s->nb_surfaces_used + 1,
+ sizeof(*frames_hwctx->texture_infos));
+ if (!frames_hwctx->texture_infos) {
+ ID3D11Texture2D_Release(tex);
+ return NULL;
+ }
+ s->nb_surfaces = s->nb_surfaces_used + 1;
+ }
+
frames_hwctx->texture_infos[s->nb_surfaces_used].texture = tex;
frames_hwctx->texture_infos[s->nb_surfaces_used].index = index;
s->nb_surfaces_used++;
@@ -284,7 +295,7 @@ static int d3d11va_frames_init(AVHWFramesContext *ctx)
}
}
- hwctx->texture_infos = av_calloc(ctx->initial_pool_size, sizeof(*hwctx->texture_infos));
+ hwctx->texture_infos = av_realloc_f(NULL, ctx->initial_pool_size, sizeof(*hwctx->texture_infos));
if (!hwctx->texture_infos)
return AVERROR(ENOMEM);
s->nb_surfaces = ctx->initial_pool_size;
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