@@ -1838,17 +1838,25 @@ int ff_copy_palette(void *dst, const AVPacket *src, void *logctx)
int ff_hwaccel_frame_priv_alloc(AVCodecContext *avctx, void **hwaccel_picture_private)
{
const FFHWAccel *hwaccel = ffhwaccel(avctx->hwaccel);
- AVHWFramesContext *frames_ctx;
if (!hwaccel || !hwaccel->frame_priv_data_size)
return 0;
av_assert0(!*hwaccel_picture_private);
- frames_ctx = (AVHWFramesContext *)avctx->hw_frames_ctx->data;
- *hwaccel_picture_private = ff_refstruct_alloc_ext(hwaccel->frame_priv_data_size, 0,
- frames_ctx->device_ctx,
- hwaccel->free_frame_priv);
+ if (hwaccel->free_frame_priv) {
+ AVHWFramesContext *frames_ctx;
+
+ if (!avctx->hw_frames_ctx)
+ return AVERROR(EINVAL);
+
+ *hwaccel_picture_private = ff_refstruct_alloc_ext(hwaccel->frame_priv_data_size, 0,
+ frames_ctx->device_ctx,
+ hwaccel->free_frame_priv);
+ } else {
+ *hwaccel_picture_private = ff_refstruct_allocz(hwaccel->frame_priv_data_size);
+ }
+
if (!*hwaccel_picture_private)
return AVERROR(ENOMEM);
Validate that a hw_frames_ctx is available before using it for the AVHWAccel.free_frame_priv callback, and don't require it to be present when the callback is not in use by the HWAccel. v2: check for free_frame_priv (Hendrik) v3: return EINVAL (Christoph Reiter) v4: better commit message (Hendrik) See[1]: https://github.com/msys2/MINGW-packages/pull/19050 Fixes: be07145109 ("avcodec: add AVHWAccel.free_frame_priv callback") CC: Lynne <dev@lynne.ee> CC: Christoph Reiter <reiter.christoph@gmail.com> Signed-off-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com> --- libavcodec/decode.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-)