--- libavutil/frame.c | 23 +++++++++++++++++++++++ libavutil/frame.h | 16 ++++++++++++++++ 2 files changed, 39 insertions(+)
diff --git a/libavutil/frame.c b/libavutil/frame.c index d8910a2120..04d56853f0 100644 --- a/libavutil/frame.c +++ b/libavutil/frame.c @@ -880,6 +880,29 @@ AVFrameSideData *av_side_data_set_new_item(AVFrameSideDataSet *set, return ret; } +int av_side_data_set_extend(AVFrameSideDataSet *dst, + const AVFrameSideDataSet src, + unsigned int allow_duplicates) +{ + for (int i = 0; i < src.nb_sd; i++) { + const AVFrameSideData *sd_src = src.sd[i]; + AVFrameSideData *sd_dst = + av_side_data_set_new_item(dst, sd_src->type, + sd_src->size, + allow_duplicates); + if (!sd_dst) { + av_side_data_set_uninit(dst); + return AVERROR(ENOMEM); + } + + memcpy(sd_dst->data, sd_src->data, sd_src->size); + + av_dict_copy(&sd_dst->metadata, sd_src->metadata, 0); + } + + return 0; +} + AVFrameSideData *av_side_data_set_get_item(const AVFrameSideDataSet set, enum AVFrameSideDataType type) { diff --git a/libavutil/frame.h b/libavutil/frame.h index 0cafc9c51f..2413000c9a 100644 --- a/libavutil/frame.h +++ b/libavutil/frame.h @@ -1083,6 +1083,22 @@ AVFrameSideData *av_side_data_set_new_item(AVFrameSideDataSet *set, size_t size, unsigned int allow_duplicates); +/** + * Add multiple side data entries to a set in one go. + * + * @param dst a set to which the side data should be added + * @param src a set from which the side data should be copied from + * @param allow_duplicates an unsigned integer noting whether duplicates are + * allowed or not. If duplicates are not allowed, all + * entries of the same side data type are first removed + * and freed before the new entry is added. + * + * @return negative error code on failure, >=0 on success. + */ +int av_side_data_set_extend(AVFrameSideDataSet *dst, + const AVFrameSideDataSet src, + unsigned int allow_duplicates); + /** * Get a side data entry of a specific type from a set. * -- 2.41.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".