write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);