---
libavutil/video_enc_params.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/libavutil/video_enc_params.c b/libavutil/video_enc_params.c
index b9cdafddbb..7d903af385 100644
--- a/libavutil/video_enc_params.c
+++ b/libavutil/video_enc_params.c
@@ -29,10 +29,14 @@
AVVideoEncParams *av_video_enc_params_alloc(enum AVVideoEncParamsType type,
unsigned int nb_blocks, size_t
*out_size)
{
+ const size_t blocks_offset = offsetof(
+ struct {
+ AVVideoEncParams p;
+ AVVideoBlockParams b;
+ }, b);
+ size_t size = blocks_offset;
AVVideoEncParams *par;
- size_t size;
- size = sizeof(*par);
if (nb_blocks > (SIZE_MAX - size) / sizeof(AVVideoBlockParams))
return NULL;
size += sizeof(AVVideoBlockParams) * nb_blocks;
@@ -44,7 +48,7 @@ AVVideoEncParams *av_video_enc_params_alloc(enum
AVVideoEncParamsType type,
par->type = type;
par->nb_blocks = nb_blocks;
par->block_size = sizeof(AVVideoBlockParams);
- par->blocks_offset = sizeof(*par);
+ par->blocks_offset = blocks_offset;
if (out_size)
*out_size = size;
--
2.30.2
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