- if sver == 1 {
- let samples_per_packet = br.read_u32be()?;
- let _bytes_per_packet = br.read_u32be()?;
- let bytes_per_frame = br.read_u32be()?;
- let _bytes_per_sample = br.read_u32be()?;
- track.bsize = bytes_per_frame as usize;
- track.frame_samples = samples_per_packet as usize;
- track.tb_num = samples_per_packet;
- } else {
- track.bsize = (sample_size / 8) as usize;
- }
- track.tb_den = sample_rate >> 16;
- track.raw_audio = match &fcc {
+ match sver {
+ 1 => {
+ let samples_per_packet = br.read_u32be()?;
+ let _bytes_per_packet = br.read_u32be()?;
+ let bytes_per_frame = br.read_u32be()?;
+ let _bytes_per_sample = br.read_u32be()?;
+ track.bsize = bytes_per_frame as usize;
+ track.frame_samples = samples_per_packet as usize;
+ track.tb_num = samples_per_packet;
+ },
+ 2 => {
+ br.read_u32be()?; // some size
+ let srate = br.read_f64be()?;
+ validate!(srate > 1.0);
+ sample_rate = srate as u32;
+ let channels = br.read_u32be()?;
+ validate!(channels > 0 && channels < 255);
+ nchannels = channels as u16;
+ br.read_u32be()?; // always 0x7F000000
+ let _bits_per_csample = br.read_u32be()?;
+ let _codec_flags = br.read_u32be()?;
+ let bytes_per_frame = br.read_u32be()?;
+ let samples_per_packet = br.read_u32be()?;
+ track.bsize = bytes_per_frame as usize;
+ track.frame_samples = samples_per_packet as usize;
+ track.tb_num = samples_per_packet;
+ },
+ _ => {
+ track.bsize = (sample_size / 8) as usize;
+ },
+ };
+ track.tb_den = sample_rate;
+ track.raw_audio = matches!(&fcc,