Function ff_iamf_write_parameter_blocks

libavformat/iamf_writer.c:1137–1170

}

int ff_iamf_write_parameter_blocks(const IAMFContext *iamf, AVIOContext *pb,
                                   const AVPacket *pkt, void *log_ctx)
{
    AVIAMFParamDefinition *mix =
        (AVIAMFParamDefinition *)av_packet_get_side_data(pkt,
                                                         AV_PKT_DATA_IAMF_MIX_GAIN_PARAM,
                                                         NULL);
    AVIAMFParamDefinition *demix =
        (AVIAMFParamDefinition *)av_packet_get_side_data(pkt,
                                                         AV_PKT_DATA_IAMF_DEMIXING_INFO_PARAM,
                                                         NULL);
    AVIAMFParamDefinition *recon =
        (AVIAMFParamDefinition *)av_packet_get_side_data(pkt,
                                                         AV_PKT_DATA_IAMF_RECON_GAIN_INFO_PARAM,
                                                         NULL);

    if (mix) {
        int ret = write_parameter_block(iamf, pb, mix, log_ctx);
        if (ret < 0)
           return ret;
    }
    if (demix) {
        int ret = write_parameter_block(iamf, pb, demix, log_ctx);
        if (ret < 0)
            return ret;
    }
    if (recon) {
        int ret = write_parameter_block(iamf, pb, recon, log_ctx);
        if (ret < 0)
           return ret;
    }

    return 0;
}

static IAMFAudioElement *get_audio_element(const IAMFContext *c,
                                           unsigned int audio_substream_id)