}
}
+struct SubstreamInfo {
+ id: u32,
+ map: Vec<u16>,
+ str_ids: Vec<u32>,
+}
+
+struct MLTIMapper {
+ sub_info: Vec<SubstreamInfo>,
+}
+
+impl MLTIMapper {
+ fn new() -> Self {
+ MLTIMapper {
+ sub_info: Vec::new(),
+ }
+ }
+ fn add_stream(&mut self, stream_no: u32) {
+ let ssinfo = SubstreamInfo { id: stream_no, map: Vec::new(), str_ids: Vec::new() };
+ self.sub_info.push(ssinfo);
+ }
+ fn find_idx(&self, stream_no: u32) -> Option<usize> {
+ self.sub_info.iter().position(|x| x.id == stream_no)
+ }
+ fn add_map_rule(&mut self, stream_no: u32, map_ss: u16) {
+ let idx = self.find_idx(stream_no).unwrap();
+ self.sub_info[idx].map.push(map_ss);
+ }
+ fn add_substream(&mut self, stream_no: u32, sstr_id: u32) {
+ let idx = self.find_idx(stream_no).unwrap();
+ self.sub_info[idx].str_ids.push(sstr_id);
+ }
+ fn is_mlti_stream(&self, stream_no: u32) -> bool {
+ self.find_idx(stream_no).is_some()
+ }
+ fn find_substream(&self, stream_no: u32, grp: u16) -> Option<u32> {
+ if let Some(idx) = self.find_idx(stream_no) {
+ if (grp as usize) < self.sub_info[idx].map.len() {
+ let sub_id = self.sub_info[idx].map[grp as usize] as usize;
+ if sub_id < self.sub_info[idx].str_ids.len() {
+ return Some(self.sub_info[idx].str_ids[sub_id]);
+ }
+ }
+ }
+ None
+ }
+}
+
enum RMStreamType {
Audio(RMAudioStream),
Video(RMVideoStream),
num_packets: u32,
cur_packet: u32,
+ mlti_stream_no: u32,
+ mlti_mapper: MLTIMapper,
+
streams: Vec<RMStreamType>,
- str_ids: Vec<u16>,
+ str_ids: Vec<u32>,
queued_pkts: Vec<NAPacket>,
slice_buf: Vec<u8>,
let ver = self.src.read_u16be()?;
validate!(ver <= 1);
let len = self.src.read_u16be()? as usize;
- let str_no = self.src.read_u16be()?;
+ let str_no = self.src.read_u16be()? as u32;
let ts = self.src.read_u32be()?;
- let _pkt_grp;
+ let pkt_grp;
let flags;
if ver == 0 {
- _pkt_grp = self.src.read_byte()?;
+ pkt_grp = self.src.read_byte()? as u16;
flags = self.src.read_byte()?;
} else {
//asm_rule = self.src.read_u16be()?;
+ //asm_flags = self.src.read_byte()?;
self.src.read_skip(2)?;
- _pkt_grp = 0;
+ pkt_grp = 0;
self.src.read_skip(1)?;
flags = 0;
}
let hdr_size = self.src.tell() - pkt_start;
-//println!("packet @{:X} size {} for {} ts {} grp {} flags {:X}", pkt_start, len, str_no, ts, _pkt_grp, flags);
+//println!("packet @{:X} size {} for {} ts {} grp {} flags {:X}", pkt_start, len, str_no, ts, pkt_grp, flags);
self.cur_packet += 1;
let payload_size = len - (hdr_size as usize);
- let sr = self.str_ids.iter().position(|x| *x == str_no);
+ let stream_id;
+ if !self.mlti_mapper.is_mlti_stream(str_no as u32) {
+ stream_id = str_no as u32;
+ } else {
+ stream_id = self.mlti_mapper.find_substream(str_no as u32, pkt_grp).unwrap();
+ }
+ let sr = self.str_ids.iter().position(|x| *x == stream_id);
if sr.is_none() {
//println!("stream {} not found", str_no);
self.src.read_skip(payload_size)?;
return Err(DemuxerError::InvalidData);
}
let str_id = sr.unwrap();
- let streamres = strmgr.get_stream_by_id(str_no as u32);
+
+ let streamres = strmgr.get_stream_by_id(stream_id);
if streamres.is_none() {
self.src.read_skip(payload_size)?;
continue;
}
let stream = streamres.unwrap();
//println!(" stream {}", str_id);
- if strmgr.is_ignored_id(str_no as u32) {
+ if strmgr.is_ignored_id(stream_id) {
self.src.read_skip(payload_size)?;
continue;
}
data_ver: 0,
num_packets: 0,
cur_packet: 0,
+ mlti_stream_no: 0x10000,
+ mlti_mapper: MLTIMapper::new(),
streams: Vec::new(),
str_ids: Vec::new(),
queued_pkts: Vec::new(),
}
#[allow(unused_variables)]
fn parse_mdpr(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> {
- let stream_no = self.src.read_u16be()?;
+ let stream_no = self.src.read_u16be()? as u32;
//todo check stream_no for duplicates
let maxbr = self.src.read_u32be()?;
let avgbr = self.src.read_u32be()?;
self.src.read_buf(&mut edvec)?;
Some(edvec)
};
- self.str_ids.push(stream_no);
+ let mut is_mlti = false;
if edata_size > 8 {
if let Some(edata_) = edata {
let mut mr = MemoryReader::new_read(edata_.as_slice());
let tag2 = src.peek_u32be()?;
//println!("tag1 {:X} tag2 {:X}", tag, tag2);
if tag == mktag!('.', 'r', 'a', 0xFD) {
- let ver = src.read_u16be()?;
- let ainfo = match ver {
- 3 => {
- parse_aformat3(&mut src)?
- },
- 4 => {
- parse_aformat4(&mut src)?
- },
- 5 => {
- parse_aformat5(&mut src)?
- },
- _ => {
- println!("unknown version {}", ver);
- return Err(DemuxerError::InvalidData);
- },
- };
-println!(" got ainfo {:?}", ainfo);
- let cname = find_codec_name(RM_AUDIO_CODEC_REGISTER, ainfo.fcc);
- let blk_size = if ainfo.fcc != mktag!(b"sipr") {
- ainfo.granularity as usize
- } else {
- validate!(ainfo.flavor <= 3);
- RM_SIPRO_BLOCK_SIZES[ainfo.flavor as usize]
- };
- let srate = ainfo.sample_rate;
- let soniton = NASoniton::new(ainfo.sample_size as u8, SONITON_FLAG_SIGNED);
- let ahdr = NAAudioInfo::new(srate, ainfo.channels as u8, soniton, blk_size);
- let extradata = if ainfo.edata_size == 0 {
- None
- } else {
- let eslice = &edata_[(src.tell() as usize)..];
- Some(eslice.to_vec())
- };
- let nainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), extradata);
- let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, nainfo, 1, srate));
- if res.is_none() { return Err(MemoryError); }
-
- let astr = RMAudioStream::new(ainfo.ileave_info);
- self.streams.push(RMStreamType::Audio(astr));
+ self.parse_audio_stream(strmgr, stream_no, &mut src, &edata_.as_slice())?;
} else if ((tag2 == mktag!('V', 'I', 'D', 'O')) || (tag2 == mktag!('I', 'M', 'A', 'G'))) && ((tag as usize) <= edata_size) {
- src.read_skip(4)?;
- let fcc = src.read_u32be()?;
- let width = src.read_u16be()? as usize;
- let height = src.read_u16be()? as usize;
- let bpp = src.read_u16be()?;
- let pad_w = src.read_u16be()?;
- let pad_h = src.read_u16be()?;
- let fps;
- if tag2 == mktag!('V', 'I', 'D', 'O') {
- fps = src.read_u32be()?;
- } else {
- fps = 0x10000;
- }
- let extradata: Option<Vec<u8>>;
- if src.left() > 0 {
- let eslice = &edata_[(src.tell() as usize)..];
- extradata = Some(eslice.to_vec());
- } else {
- extradata = None;
- }
- let cname = find_codec_name(RM_VIDEO_CODEC_REGISTER, fcc);
-
- 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, 0x10000, fps));
- if res.is_none() { return Err(DemuxerError::MemoryError); }
-
- let vstr = RMVideoStream::new();
- self.streams.push(RMStreamType::Video(vstr));
+ self.parse_video_stream(strmgr, stream_no, &mut src, &edata_.as_slice(), tag2)?;
} else if tag == mktag!(b"LSD:") {
let extradata = Some(edata_.to_vec());
if res.is_none() { return Err(MemoryError); }
let astr = RMAudioStream::new(None);
self.streams.push(RMStreamType::Audio(astr));
+ } else if tag == mktag!(b"MLTI") {
+ is_mlti = true;
+ let num_rules = src.read_u16be()? as usize;
+ let mut max_sub = 0;
+ self.mlti_mapper.add_stream(stream_no);
+ for i in 0..num_rules {
+ let substr = src.read_u16be()?;
+ max_sub = max_sub.max(substr);
+ self.mlti_mapper.add_map_rule(stream_no, substr);
+ }
+ let num_substreams = src.read_u16be()? as usize;
+ validate!(num_substreams > (max_sub as usize));
+ for i in 0..num_substreams {
+ let hdr_size = src.read_u32be()? as usize;
+ validate!(hdr_size > 8);
+ let pos = src.tell() as usize;
+ src.read_skip(hdr_size)?;
+ self.mlti_mapper.add_substream(stream_no, self.mlti_stream_no);
+ {
+ let hdrsrc = &edata_[pos..][..hdr_size];
+ let mut mr = MemoryReader::new_read(hdrsrc);
+ let mut hsrc = ByteReader::new(&mut mr);
+
+ let tag = hsrc.read_u32be()?;
+ let tag2 = hsrc.peek_u32be()?;
+ let stream_no = self.mlti_stream_no;
+ self.mlti_stream_no += 1;
+//todo check that all substreams are of the same type");
+ if tag == mktag!('.', 'r', 'a', 0xFD) {
+ self.parse_audio_stream(strmgr, stream_no, &mut hsrc, hdrsrc)?;
+ } else if (tag2 == mktag!('V', 'I', 'D', 'O')) && ((tag as usize) <= hdr_size) {
+ self.parse_video_stream(strmgr, stream_no, &mut hsrc, hdrsrc, tag2)?;
+ } else {
+println!("unknown MLTI substream {:08X} / {:08X}", tag, tag2);
+ return Err(DemuxerError::InvalidData);
+ }
+ self.str_ids.push(stream_no);
+ }
+ }
} else {
self.streams.push(RMStreamType::Logical);
}
} else {
self.streams.push(RMStreamType::Unknown);
}
+ if !is_mlti {
+ self.str_ids.push(stream_no);
+ }
+
+ Ok(())
+ }
+ fn parse_audio_stream(&mut self, strmgr: &mut StreamManager, stream_no: u32, src: &mut ByteReader, edata_: &[u8]) -> DemuxerResult<()> {
+ let ver = src.read_u16be()?;
+ let ainfo = match ver {
+ 3 => {
+ parse_aformat3(src)?
+ },
+ 4 => {
+ parse_aformat4(src)?
+ },
+ 5 => {
+ parse_aformat5(src)?
+ },
+ _ => {
+ println!("unknown version {}", ver);
+ return Err(DemuxerError::InvalidData);
+ },
+ };
+println!(" got ainfo {:?}", ainfo);
+ let cname = find_codec_name(RM_AUDIO_CODEC_REGISTER, ainfo.fcc);
+ let blk_size = if ainfo.fcc != mktag!(b"sipr") {
+ ainfo.granularity as usize
+ } else {
+ validate!(ainfo.flavor <= 3);
+ RM_SIPRO_BLOCK_SIZES[ainfo.flavor as usize]
+ };
+ let srate = ainfo.sample_rate;
+ let soniton = NASoniton::new(ainfo.sample_size as u8, SONITON_FLAG_SIGNED);
+ let ahdr = NAAudioInfo::new(srate, ainfo.channels as u8, soniton, blk_size);
+ let extradata = if ainfo.edata_size == 0 {
+ None
+ } else {
+ let eslice = &edata_[(src.tell() as usize)..];
+ Some(eslice.to_vec())
+ };
+ let nainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), extradata);
+ let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, nainfo, 1, srate));
+ if res.is_none() { return Err(MemoryError); }
+
+ let astr = RMAudioStream::new(ainfo.ileave_info);
+ self.streams.push(RMStreamType::Audio(astr));
+ Ok(())
+ }
+#[allow(unused_variables)]
+ fn parse_video_stream(&mut self, strmgr: &mut StreamManager, stream_no: u32, src: &mut ByteReader, edata_: &[u8], tag2: u32) -> DemuxerResult<()> {
+ src.read_skip(4)?;
+ let fcc = src.read_u32be()?;
+ let width = src.read_u16be()? as usize;
+ let height = src.read_u16be()? as usize;
+ let bpp = src.read_u16be()?;
+ let pad_w = src.read_u16be()?;
+ let pad_h = src.read_u16be()?;
+ let fps;
+ if tag2 == mktag!('V', 'I', 'D', 'O') {
+ fps = src.read_u32be()?;
+ } else {
+ fps = 0x10000;
+ }
+ let extradata: Option<Vec<u8>>;
+ if src.left() > 0 {
+ let eslice = &edata_[(src.tell() as usize)..];
+ extradata = Some(eslice.to_vec());
+ } else {
+ extradata = None;
+ }
+ let cname = find_codec_name(RM_VIDEO_CODEC_REGISTER, fcc);
+
+ 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, 0x10000, fps));
+ if res.is_none() { return Err(DemuxerError::MemoryError); }
+ let vstr = RMVideoStream::new();
+ self.streams.push(RMStreamType::Video(vstr));
Ok(())
}
/*#[allow(unused_variables)]