From 919c9cdbe6d2d69beb6c675d879dd77588f4f001 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jan=20Ekstr=C3=B6m?= Date: Sun, 19 Mar 2023 11:25:54 +0200 Subject: [PATCH] avutil/frame: add helper for freeing arrays of side data --- libavutil/frame.c | 5 +++++ libavutil/frame.h | 11 +++++++++++ 2 files changed, 16 insertions(+) diff --git a/libavutil/frame.c b/libavutil/frame.c index ab425b2235..baac0706db 100644 --- a/libavutil/frame.c +++ b/libavutil/frame.c @@ -78,6 +78,11 @@ static void frame_side_data_wipe(AVFrame *frame) wipe_side_data(&frame->side_data, &frame->nb_side_data); } +void av_frame_side_data_free(AVFrameSideData ***sd, int *nb_sd) +{ + wipe_side_data(sd, nb_sd); +} + AVFrame *av_frame_alloc(void) { AVFrame *frame = av_malloc(sizeof(*frame)); diff --git a/libavutil/frame.h b/libavutil/frame.h index b94687941d..27281c168f 100644 --- a/libavutil/frame.h +++ b/libavutil/frame.h @@ -988,6 +988,17 @@ int av_frame_apply_cropping(AVFrame *frame, int flags); */ const char *av_frame_side_data_name(enum AVFrameSideDataType type); +/** + * Free all side data entries and their contents, then zeroes out the + * values which the pointers are pointing to. + * + * @param sd pointer to array of side data to free. Will be set to NULL + * upon return. + * @param nb_sd pointer to an integer containing the number of entries in + * the array. Will be set to 0 upon return. + */ +void av_frame_side_data_free(AVFrameSideData ***sd, int *nb_sd); + /** * @} */