Re: [FFmpeg-devel] [PATCH v4 03/13] avutil/frame: add helper for uninitializing side data sets

[James Almer <jamrial@gmail.com>]

On 9/1/2023 5:38 PM, Jan Ekström wrote:
> ---
>   libavutil/frame.c | 5 +++++
>   libavutil/frame.h | 8 ++++++++
>   2 files changed, 13 insertions(+)
> 
> diff --git a/libavutil/frame.c b/libavutil/frame.c
> index 4b8481b756..b03f8d6c73 100644
> --- a/libavutil/frame.c
> +++ b/libavutil/frame.c
> @@ -90,6 +90,11 @@ static void frame_side_data_wipe(AVFrame *frame)
>       wipe_side_data(&frame->side_data, &frame->nb_side_data);
>   }
>   
> +void av_frame_side_data_set_uninit(AVFrameSideDataSet *set)
> +{
> +    wipe_side_data(&set->sd, &set->nb_sd);
> +}
> +
>   AVFrame *av_frame_alloc(void)
>   {
>       AVFrame *frame = av_malloc(sizeof(*frame));
> diff --git a/libavutil/frame.h b/libavutil/frame.h
> index 6155226c1d..dc87d38adc 100644
> --- a/libavutil/frame.h
> +++ b/libavutil/frame.h
> @@ -1057,6 +1057,14 @@ int av_frame_apply_cropping(AVFrame *frame, int flags);
>    */
>   const char *av_frame_side_data_name(enum AVFrameSideDataType type);
>   
> +/**
> + * Free all side data items and their contents, then zeroes out the
> + * struct values.
> + *
> + * @param set the set which should be uninitialized
> + */
> +void av_frame_side_data_set_uninit(AVFrameSideDataSet *set);

av_frame_side_data_set_free()?

> +
>   /**
>    * @}
>    */
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