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Merge d9b5755713 into 18f1718b70

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w-flo 2023-08-02 14:52:02 +08:00 committed by GitHub
parent 18f1718b70 d9b5755713
commit f50ed7de41
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1 changed files with 11 additions and 1 deletions
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12
src/mp4box/mp4a.rs
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@ -83,12 +83,22 @@ impl<R: Read + Seek> ReadBox<&mut R> for Mp4aBox {
reader.read_u16::<BigEndian>()?; // reserved
let data_reference_index = reader.read_u16::<BigEndian>()?;
reader.read_u64::<BigEndian>()?; // reserved
// Next 8 bytes should be all 0 in ISO MP4
let qt_version = reader.read_u16::<BigEndian>()?; // QT: 0, 1 or 2
reader.read_u16::<BigEndian>()?; // QT: revision level, should be 0
reader.read_u32::<BigEndian>()?; // QT: vendor, should be 0
let channelcount = reader.read_u16::<BigEndian>()?;
let samplesize = reader.read_u16::<BigEndian>()?;
reader.read_u32::<BigEndian>()?; // pre-defined, reserved
let samplerate = FixedPointU16::new_raw(reader.read_u32::<BigEndian>()?);
if qt_version == 1 {
// Samples per packet, bytes per packet,
// bytes per frame, bytes per sample
skip_bytes(reader, 4 * 4)?;
}
let mut esds = None;
let current = reader.stream_position()?;
if current < start + size {