@@ -383,12 +383,17 @@ FF_ENABLE_DEPRECATION_WARNINGS
#endif
av_buffer_unref(&dst->opaque_ref);
+ av_buffer_unref(&dst->private_ref);
if (src->opaque_ref) {
dst->opaque_ref = av_buffer_ref(src->opaque_ref);
if (!dst->opaque_ref)
return AVERROR(ENOMEM);
}
-
+ if (src->private_ref) {
+ dst->private_ref = av_buffer_ref(src->private_ref);
+ if (!dst->private_ref)
+ return AVERROR(ENOMEM);
+ }
return 0;
}
@@ -524,6 +529,7 @@ void av_frame_unref(AVFrame *frame)
av_buffer_unref(&frame->hw_frames_ctx);
av_buffer_unref(&frame->opaque_ref);
+ av_buffer_unref(&frame->private_ref);
get_frame_defaults(frame);
}
@@ -563,6 +563,19 @@ typedef struct AVFrame {
/**
* @}
*/
+
+ /**
+ * AVBufferRef for internal use by a single libav* library.
+ * Must not be used to transfer data between libraries.
+ * Has to be NULL when ownership of the frame leaves the respective library.
+ *
+ * Code outside the FFmpeg libs should never check or change the contents of the buffer ref.
+ *
+ * FFmpeg calls av_buffer_unref() on it when the frame is unreferenced.
+ * av_frame_copy_props() calls create a new reference with av_buffer_ref()
+ * for the target frame's private_ref field.
+ */
+ AVBufferRef *private_ref;
} AVFrame;
#if FF_API_FRAME_GET_SET