Function codec_parameters_copy_side_data

libavcodec/codec_par.c:78–105

}

static int codec_parameters_copy_side_data(AVPacketSideData **pdst, int *pnb_dst,
                                           const AVPacketSideData *src, int nb_src)
{
    AVPacketSideData *dst;
    int nb_dst = *pnb_dst;

    if (!src)
        return 0;

    *pdst = dst = av_calloc(nb_src, sizeof(*dst));
    if (!dst)
        return AVERROR(ENOMEM);

    for (int i = 0; i < nb_src; i++) {
        const AVPacketSideData *src_sd = &src[i];
        AVPacketSideData *dst_sd = &dst[i];

        dst_sd->data = av_memdup(src_sd->data, src_sd->size);
        if (!dst_sd->data)
            return AVERROR(ENOMEM);

        dst_sd->type = src_sd->type;
        dst_sd->size = src_sd->size;
        *pnb_dst = ++nb_dst;
    }

    return 0;
}

int avcodec_parameters_copy(AVCodecParameters *dst, const AVCodecParameters *src)
{