Function side_data_map

libavcodec/decode.c:1473–1517

}

static int side_data_map(AVFrame *dst,
                         const AVPacketSideData *sd_src, int nb_sd_src,
                         const SideDataMap *map)

{
    for (int i = 0; map[i].packet < AV_PKT_DATA_NB; i++) {
        const enum AVPacketSideDataType type_pkt   = map[i].packet;
        const enum AVFrameSideDataType  type_frame = map[i].frame;
        const AVPacketSideData *sd_pkt;
        AVFrameSideData *sd_frame;

        sd_pkt = packet_side_data_get(sd_src, nb_sd_src, type_pkt);
        if (!sd_pkt)
            continue;

        sd_frame = av_frame_get_side_data(dst, type_frame);
        if (sd_frame) {
            if (type_frame == AV_FRAME_DATA_STEREO3D) {
                int ret = side_data_stereo3d_merge(sd_frame, sd_pkt);
                if (ret < 0)
                    return ret;
            }

            continue;
        }

        switch (type_pkt) {
        case AV_PKT_DATA_EXIF: {
            int ret = side_data_exif_parse(dst, sd_pkt);
            if (ret < 0)
                return ret;
            break;
        }
        default:
            sd_frame = av_frame_new_side_data(dst, type_frame, sd_pkt->size);
            if (!sd_frame)
                return AVERROR(ENOMEM);

            memcpy(sd_frame->data, sd_pkt->data, sd_pkt->size);
            break;
        }
    }

    return 0;
}

static int add_metadata_from_side_data(const AVPacket *avpkt, AVFrame *frame)
{