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damitha 2025-03-24 19:45:57 +11:00
parent 666939ed64
commit b4dbe3fe08
3 changed files with 15 additions and 14 deletions
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1
examples/mp4copy.rs
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@ -65,6 +65,7 @@ fn copy<P: AsRef<Path>>(src_filename: &P, dst_filename: &P) -> Result<()> {
profile: track.audio_profile()?,
freq_index: track.sample_freq_index()?,
chan_conf: track.channel_config()?,
samplesize: 16,
data_reference_index: 1,
sound_version: 0,
esds_version: default_aac_config.esds_version,

22
src/mp4box/mp4a.rs
View file

@ -34,12 +34,12 @@ impl Default for Mp4aBox {
impl Mp4aBox {
pub fn new(config: &AacConfig) -> Self {
Self {
data_reference_index: 1,
sound_version: 0,
data_reference_index: config.data_reference_index,
sound_version: config.sound_version,
channelcount: config.chan_conf as u16,
samplesize: 16,
samplesize: config.samplesize,
samplerate: FixedPointU16::new(config.freq_index.freq() as u16),
qt_bytes: None,
qt_bytes: config.qt_bytes.clone(),
esds: Some(EsdsBox::default()),
}
}
@ -338,7 +338,7 @@ impl ESDescriptor {
let dec_config = DecoderConfigDescriptor::new(config);
let sl_config = SLConfigDescriptor::new();
Self {
es_id: 1,
es_id: config.es_id.unwrap_or(0),
dec_config: dec_config,
sl_config: sl_config,
}
@ -428,12 +428,12 @@ pub struct DecoderConfigDescriptor {
impl DecoderConfigDescriptor {
pub fn new(config: &AacConfig) -> Self {
Self {
object_type_indication: 0x40, // XXX AAC
stream_type: 0x05, // XXX Audio
up_stream: 0,
buffer_size_db: 0,
max_bitrate: config.bitrate, // XXX
avg_bitrate: config.bitrate,
object_type_indication: config.object_type_indication.unwrap_or(0x40), // XXX AAC
stream_type: config.stream_type.unwrap_or(0x05), // XXX Audio
up_stream: config.up_stream.unwrap_or(0),
buffer_size_db: config.buffer_size_db.unwrap_or(0),
max_bitrate: config.max_bitrate.unwrap_or(config.bitrate), // XXX
avg_bitrate: config.max_bitrate.unwrap_or(config.bitrate),
dec_specific: DecoderSpecificDescriptor::new(config),
}
}

6
src/types.rs
View file

@ -622,6 +622,7 @@ pub struct AacConfig {
// New fields from Mp4aBox and child structs
pub data_reference_index: u16,
pub sound_version: u16,
pub samplesize: u16,
// From EsdsBox
pub esds_version: Option<u8>,
@ -682,6 +683,7 @@ impl AacConfig {
data_reference_index: mp4a.data_reference_index,
sound_version: mp4a.sound_version,
samplesize: mp4a.samplesize,
qt_bytes: mp4a.qt_bytes.clone(),
// Set remaining fields to None initially
@ -727,9 +729,6 @@ impl AacConfig {
config.buffer_size_db = Some(dec_config.buffer_size_db);
config.max_bitrate = Some(dec_config.max_bitrate);
config.avg_bitrate = Some(dec_config.avg_bitrate);
// Assuming decoder_specific has a getter for its binary data
// config.decoder_specific_data = Some(dec_config.dec_specific.get_data().clone());
}
config
}
@ -743,6 +742,7 @@ impl Default for AacConfig {
profile: AudioObjectType::AacLowComplexity,
freq_index: SampleFreqIndex::Freq48000,
chan_conf: ChannelConfig::Stereo,
samplesize: 16,
data_reference_index: 1,
sound_version: 0,
esds_version: Some(esds.version),