struct RMDemuxCommon {}
impl RMDemuxCommon {
- fn parse_stream_info(str_data: &mut CommonStreamData, strmgr: &mut StreamManager, stream_no: u32, edata: &[u8]) -> DemuxerResult<bool> {
+ fn parse_stream_info(str_data: &mut CommonStreamData, strmgr: &mut StreamManager, stream_no: u32, edata: &[u8], duration: u32) -> DemuxerResult<bool> {
let mut is_mlti = false;
let mut mr = MemoryReader::new_read(edata);
let mut src = ByteReader::new(&mut mr);
let tag2 = src.peek_u32be()?;
//println!("tag1 {:X} tag2 {:X}", tag, tag2);
if tag == mktag!('.', 'r', 'a', 0xFD) {
- Self::parse_audio_stream(strmgr, &mut str_data.streams, stream_no, &mut src, edata)?;
+ Self::parse_audio_stream(strmgr, &mut str_data.streams, stream_no, &mut src, edata, duration)?;
} else if ((tag2 == mktag!('V', 'I', 'D', 'O')) || (tag2 == mktag!('I', 'M', 'A', 'G'))) && ((tag as usize) <= edata.len()) {
- Self::parse_video_stream(strmgr, &mut str_data.streams, stream_no, &mut src, edata, tag2)?;
+ Self::parse_video_stream(strmgr, &mut str_data.streams, stream_no, &mut src, edata, tag2, duration)?;
} else if tag == mktag!(b"LSD:") {
let extradata = Some(edata.to_owned());
let soniton = NASoniton::new(samp_size as u8, SONITON_FLAG_SIGNED);
let ahdr = NAAudioInfo::new(sample_rate, channels as u8, soniton, 1);
let nainfo = NACodecInfo::new("ralf", NACodecTypeInfo::Audio(ahdr), extradata);
- let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, nainfo, 1, 1000));
+ let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, nainfo, 1, 1000, u64::from(duration)));
if res.is_none() { return Err(MemoryError); }
let astr = RMAudioStream::new(None);
str_data.streams.push(RMStreamType::Audio(astr));
let stream_no = str_data.mlti_mapper.get_substream_no();
//todo check that all substreams are of the same type");
if tag == mktag!('.', 'r', 'a', 0xFD) {
- Self::parse_audio_stream(strmgr, &mut str_data.streams, stream_no, &mut hsrc, hdrsrc)?;
+ Self::parse_audio_stream(strmgr, &mut str_data.streams, stream_no, &mut hsrc, hdrsrc, duration)?;
} else if (tag2 == mktag!('V', 'I', 'D', 'O')) && ((tag as usize) <= hdr_size) {
- Self::parse_video_stream(strmgr, &mut str_data.streams, stream_no, &mut hsrc, hdrsrc, tag2)?;
+ Self::parse_video_stream(strmgr, &mut str_data.streams, stream_no, &mut hsrc, hdrsrc, tag2, duration)?;
} else {
println!("unknown MLTI substream {:08X} / {:08X}", tag, tag2);
return Err(DemuxerError::InvalidData);
}
Ok(is_mlti)
}
- fn parse_audio_stream(strmgr: &mut StreamManager, streams: &mut Vec<RMStreamType>, stream_no: u32, src: &mut ByteReader, edata_: &[u8]) -> DemuxerResult<()> {
+ fn parse_audio_stream(strmgr: &mut StreamManager, streams: &mut Vec<RMStreamType>, stream_no: u32, src: &mut ByteReader, edata_: &[u8], duration: u32) -> DemuxerResult<()> {
let ver = src.read_u16be()?;
let ainfo = match ver {
3 => {
let eslice = &edata_[(src.tell() as usize)..];
Some(eslice.to_vec())
};
+ let duration = if duration == 0 { ainfo.get_duration(1000) } else { u64::from(duration) };
let nainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), extradata);
- let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, nainfo, 1, 1000));
+ let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, nainfo, 1, 1000, duration));
if res.is_none() { return Err(MemoryError); }
let astr = RMAudioStream::new(ainfo.ileave_info);
Ok(())
}
#[allow(unused_variables)]
- fn parse_video_stream(strmgr: &mut StreamManager, streams: &mut Vec<RMStreamType>, stream_no: u32, src: &mut ByteReader, edata_: &[u8], tag2: u32) -> DemuxerResult<()> {
+ fn parse_video_stream(strmgr: &mut StreamManager, streams: &mut Vec<RMStreamType>, stream_no: u32, src: &mut ByteReader, edata_: &[u8], tag2: u32, duration: u32) -> DemuxerResult<()> {
src.read_skip(4)?;
let fcc = src.read_u32be()?;
let width = src.read_u16be()? as usize;
let vhdr = NAVideoInfo::new(width, height, false, RGB24_FORMAT);
let vinfo = NACodecInfo::new(cname, NACodecTypeInfo::Video(vhdr), extradata);
- let res = strmgr.add_stream(NAStream::new(StreamType::Video, stream_no as u32, vinfo, 1, 1000));
+ let res = strmgr.add_stream(NAStream::new(StreamType::Video, stream_no as u32, vinfo, 1, 1000, u64::from(duration)));
if res.is_none() { return Err(DemuxerError::MemoryError); }
let vstr = RMVideoStream::new();
}
Err(DemuxerError::SeekError)
}
+
+ fn get_duration(&self) -> u64 { 0 }
}
impl<'a> NAOptionHandler for RealMediaDemuxer<'a> {
ileave_info: Option<InterleaveInfo>
}
+impl RealAudioInfo {
+ fn get_duration(&self, base: u32) -> u64 {
+ if self.bytes_per_minute != 0 {
+ u64::from(self.total_bytes) * 60 * u64::from(base) / u64::from(self.bytes_per_minute)
+ } else {
+ 0
+ }
+ }
+}
+
fn skip_ra_metadata(src: &mut ByteReader) -> DemuxerResult<()> {
let title_len = src.read_byte()? as usize;
src.read_skip(title_len)?;
let mut is_mlti = false;
if edata_size > 8 {
if let Some(edata_) = edata {
- is_mlti = RMDemuxCommon::parse_stream_info(&mut self.str_data, strmgr, stream_no, &edata_)?;
+ is_mlti = RMDemuxCommon::parse_stream_info(&mut self.str_data, strmgr, stream_no, &edata_, duration)?;
}
} else {
self.str_data.streams.push(RMStreamType::Unknown);
Some(dta)
};
let nainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), extradata);
- let res = strmgr.add_stream(NAStream::new(StreamType::Audio, 0, nainfo, 1, srate));
+ let res = strmgr.add_stream(NAStream::new(StreamType::Audio, 0, nainfo, 1, srate, ainfo.get_duration(ainfo.sample_rate)));
if res.is_none() { return Err(MemoryError); }
let astr = RMAudioStream::new(ainfo.ileave_info);
fn seek(&mut self, time: NATimePoint, seek_idx: &SeekIndex) -> DemuxerResult<()> {
Err(NotImplemented)
}
+
+ fn get_duration(&self) -> u64 { 0 }
}
impl<'a> NAOptionHandler for RealAudioDemuxer<'a> {
cur_str_no += 1;
let mut parsed = false;
let mut real_stream_no = 0;
+ let mut duration = 0;
for _ in 0..num {
let rec = IVRRecord::read(src)?;
//println!(" strm property {}", rec);
if name == b"StreamNumber\0" {
real_stream_no = val;
}
+ if name == b"Duration\0" {
+ duration = val;
+ }
},
IVRRecord::BinaryData(ref name, ref val) => {
if name == b"OpaqueData\0" {
validate!(!parsed);
- let is_mlti = RMDemuxCommon::parse_stream_info(str_data, strmgr, stream_no, val)?;
+ let is_mlti = RMDemuxCommon::parse_stream_info(str_data, strmgr, stream_no, val, duration)?;
if !is_mlti {
str_data.str_ids.push(stream_no);
}
fn seek(&mut self, time: NATimePoint, seek_idx: &SeekIndex) -> DemuxerResult<()> {
Err(NotImplemented)
}
+
+ fn get_duration(&self) -> u64 { 0 }
}
impl<'a> NAOptionHandler for RealIVRDemuxer<'a> {
projects / nihav.git / blobdiff