buf = Vec::with_capacity(bsize);
buf.resize(bsize, 0u8);
},
- Deinterleaver::VBR => { unimplemented!("deint"); },
+ Deinterleaver::VBR => {
+ buf = Vec::new();
+ },
};
} else {
deint = Deinterleaver::None;
let mut dst = &mut self.buf[fsize * ppos..][..fsize];
src.read_buf(&mut dst)?;
},
- _ => { return src.read_packet(stream, ts, keyframe, payload_size); },
+ Deinterleaver::VBR => {
+ validate!(payload_size >= 5);
+ let hdrsizesize = src.read_u16be()?;
+ let num_entries = (hdrsizesize / 16) as usize;
+ validate!(payload_size >= num_entries * 3 + 2);
+ let mut sizes: Vec<usize> = Vec::with_capacity(num_entries);
+ let mut tot_size = 0;
+ for _ in 0..num_entries {
+ let sz = src.read_u16be()? as usize;
+ tot_size += sz;
+ sizes.push(sz);
+ }
+ validate!(tot_size + num_entries * 2 + 2 == payload_size);
+ let pkt_ts = NATimeInfo::new(None, None, None, tb_num, tb_den);
+ let mut first = true;
+ for size in sizes.iter() {
+ let cur_ts = if first { ts } else { pkt_ts };
+ first = false;
+ let pkt = src.read_packet(stream.clone(), cur_ts, true, *size)?;
+ queued_packets.push(pkt);
+ }
+ queued_packets.reverse();
+ let pkt0 = queued_packets.pop().unwrap();
+ return Ok(pkt0);
+ },
};
let iinfo = self.iinfo.unwrap();
}
}
+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),
struct RealMediaDemuxer<'a> {
src: &'a mut ByteReader<'a>,
data_pos: u64,
+ next_data: u64,
+ data_ver: u16,
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>,
return Ok(pkt);
}
loop {
- if self.cur_packet >= self.num_packets { return Err(DemuxerError::EOF); }
+ if self.cur_packet >= self.num_packets {
+ if (self.next_data != 0) && (self.next_data == self.src.tell()) {
+ let res = read_chunk(self.src);
+ if let Ok((id, size, ver)) = res {
+ self.data_pos = self.src.tell();
+ self.data_ver = ver;
+ if self.parse_data_start().is_ok() {
+ continue;
+ }
+ }
+ }
+ return Err(DemuxerError::EOF);
+ }
let pkt_start = self.src.tell();
- let ver = self.src.read_u16le()?;
+ 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_u16le()?;
+ //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 flags = self.src.read_byte()?;
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;
}
let size = src.read_u32be()?;
if size == 0 {
let ver = src.read_u16be()?;
- validate!(ver <= 1);
+ validate!(ver <= 2);
return Ok((id, 0x0FFFFFFF, ver));
}
validate!(size >= 10);
let ver = src.read_u16be()?;
- validate!(ver <= 1);
+ validate!(ver <= 2);
Ok((id, size, ver))
}
let start = src.tell();
src.read_skip(2)?; // zeroes
let id = src.read_u32be()?;
- validate!(id == mktag!(b".ra5"));
+ validate!((id == mktag!(b".ra5")) || (id == mktag!(b".ra4")));
let data_size = src.read_u32be()?;
let _ver5 = src.read_u16be()?; // should be 5
let header_size = src.read_u32be()?;
if has_ileave_pattern != 0 {
unimplemented!("ra5 interleave pattern");
}
- let edata_size = src.read_u32be()?;
-
+ let mut edata_size = src.read_u32be()?;
let end = src.tell();
- validate!(end - start <= (header_size as u64) + 10);
+ if id == mktag!(b".ra5") {
+ validate!(end - start <= (header_size as u64) + 10);
// src.read_skip(((end - start) as usize) - (header_size as usize) - 10)?;
+ } else {
+ validate!(end - start <= (header_size as u64) + 15);
+ }
let ileave_info = if is_interleaved != 0 {
Some(InterleaveInfo {
} else {
None
};
+ if (fcc == mktag!(b"raac")) || (fcc == mktag!(b"racp")) {
+ validate!(edata_size > 1);
+ edata_size -= 1;
+ src.read_skip(1)?;
+ }
Ok(RealAudioInfo {
fcc: fcc, flavor: flavor,
RealMediaDemuxer {
src: io,
data_pos: 0,
+ next_data: 0,
+ 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 read_header(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> {
let (id, size, ver) = read_chunk(self.src)?;
- validate!(id == mktag!(b".RMF"));
+ validate!((id == mktag!(b".RMF")) || (id == mktag!(b".RMP")));
validate!(size >= RMVB_HDR_SIZE);
let fver = self.src.read_u32be()?;
validate!(fver <= 1);
}
let (id, size, ver) = read_chunk(self.src)?;
- validate!(size >= RMVB_PROP_SIZE);
- validate!(ver == 0);
+ let prop_size = if ver == 0 { RMVB_PROP_SIZE } else { RMVB_PROP_SIZE + 4 };
+ validate!(size >= prop_size);
+ validate!((ver == 0) || (ver == 2));
let maxbr = self.src.read_u32be()?;
let avgbr = self.src.read_u32be()?;
let maxps = self.src.read_u32be()?;
let num_pkt = self.src.read_u32be()? as usize;
let duration = self.src.read_u32be()?;
let preroll = self.src.read_u32be()?;
+ if ver == 2 {
+ self.src.read_skip(4)?;
+ }
let idx_off = self.src.read_u32be()?;
let data_off = self.src.read_u32be()?;
let num_streams = self.src.read_u16be()? as usize;
let flags = self.src.read_u16be()?;
- if size > RMVB_PROP_SIZE {
- self.src.read_skip((size - RMVB_PROP_SIZE) as usize)?;
+ if size > prop_size {
+ self.src.read_skip((size - prop_size) as usize)?;
}
for _ in 0..num_hdr {
match res {
Ok(last) => { if last { break; } },
Err(DemuxerError::IOError) => { break; },
- Err(etype) => { return Err(etype); },
+ Err(etype) => {
+ if self.data_pos == 0 { // data is not found, report error
+ return Err(etype);
+ }
+ },
};
}
//println!("now @ {:X} / {}", self.src.tell(), self.data_pos);
validate!(self.data_pos > 0);
self.src.seek(SeekFrom::Start(self.data_pos))?;
+ self.parse_data_start()?;
+ Ok(())
+ }
+ fn parse_data_start(&mut self) -> DemuxerResult<()> {
let num_packets = self.src.read_u32be()?;
+ if self.data_ver == 2 {
+ self.src.read_skip(12)?; // zeroes?
+ }
let next_data_hdr = self.src.read_u32be()?;
self.num_packets = if num_packets > 0 { num_packets } else { 0xFFFFFF };
self.cur_packet = 0;
+ self.next_data = next_data_hdr as u64;
Ok(())
}
fn parse_chunk(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<bool> {
let (id, size, ver) = read_chunk(self.src)?;
let end_pos = self.src.tell() - 10 + (size as u64);
- validate!(ver == 0);
+ validate!((ver == 0) || (ver == 2));
if id == mktag!(b"CONT") { self.parse_content_desc()?; }
else if id == mktag!(b"MDPR") { self.parse_mdpr(strmgr)?; }
- else if id == mktag!(b"DATA") { if self.data_pos == 0 { self.data_pos = self.src.tell(); } }
+ else if id == mktag!(b"DATA") { if self.data_pos == 0 { self.data_ver = ver; self.data_pos = self.src.tell(); } }
else if id == mktag!(b"INDX") { /* do nothing for now */ }
else if id == 0 { return Ok(true); }
else { println!("unknown chunk type {:08X}", id); }
}
#[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)]
fn parse_rm_stream(io: &mut ByteReader) -> DemuxerResult<NAStream> {
let mimetype = read_string(io)?;
let strname = read_string(io)?;
- let strnum = io.read_u32le()?;
- let maxbr = io.read_u32le()?;
- let avgbr = io.read_u32le()?;
- let maxsize = io.read_u32le()?;
- let avgsize = io.read_u32le()?;
- let duration = io.read_u32le()?;
- let preroll = io.read_u32le()?;
- let start = io.read_u32le()?;
- let edatalen = io.read_u32le()? as usize;
+ let strnum = io.read_u32be()?;
+ let maxbr = io.read_u32be()?;
+ let avgbr = io.read_u32be()?;
+ let maxsize = io.read_u32be()?;
+ let avgsize = io.read_u32be()?;
+ let duration = io.read_u32be()?;
+ let preroll = io.read_u32be()?;
+ let start = io.read_u32be()?;
+ let edatalen = io.read_u32be()? as usize;
let mut edata: Vec<u8> = Vec::with_capacity(edatalen);
edata.resize(edatalen, 0);
io.read_buf(&mut edata)?;
- let numprops = io.read_u32le()? as usize;
+ let numprops = io.read_u32be()? as usize;
//read properties
unimplemented!();
}
-#[allow(dead_code)]
-#[allow(unused_variables)]
-fn read_ra_vbr_stream(io: &mut ByteReader) -> DemuxerResult<NAPacket> {
- let hdrsizesize = io.read_u16le()?;
- let num_entries = (hdrsizesize / 16) as usize;
- let mut sizes: Vec<usize> = Vec::with_capacity(num_entries);
- for _ in 0..num_entries {
- let sz = io.read_u16le()? as usize;
- sizes.push(sz);
- }
- for i in 0..num_entries {
-//read packet of sizes[i]
- }
- unimplemented!();
+struct RealAudioDemuxer<'a> {
+ src: &'a mut ByteReader<'a>,
+ stream: Option<RMAudioStream>,
+ data_start: u64,
+ data_end: u64,
+ blk_size: usize,
+ queued_pkts: Vec<NAPacket>,
}
-//todo interleavers
+impl<'a> DemuxCore<'a> for RealAudioDemuxer<'a> {
+ #[allow(unused_variables)]
+ fn open(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> {
+ let magic = self.src.read_u32be()?;
+ validate!(magic == mktag!(b".ra\xFD"));
+ let ver = self.src.read_u16be()?;
+ let ainfo = match ver {
+ 3 => {
+ parse_aformat3(&mut self.src)?
+ },
+ 4 => {
+ parse_aformat4(&mut self.src)?
+ },
+ 5 => {
+ parse_aformat5(&mut self.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 mut dta: Vec<u8> = Vec::with_capacity(ainfo.edata_size as usize);
+ dta.resize(ainfo.edata_size as usize, 0);
+ self.src.read_buf(dta.as_mut_slice())?;
+ Some(dta)
+ };
+ let nainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), extradata);
+ let res = strmgr.add_stream(NAStream::new(StreamType::Audio, 0, nainfo, 1, srate));
+ if res.is_none() { return Err(MemoryError); }
+
+ let astr = RMAudioStream::new(ainfo.ileave_info);
+ self.data_start = self.src.tell();
+ self.data_end = if ainfo.total_bytes > 0 { self.src.tell() + (ainfo.total_bytes as u64) } else { 0 };
+ self.blk_size = blk_size;
+ self.stream = Some(astr);
+
+ Ok(())
+ }
+
+ fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
+ if !self.queued_pkts.is_empty() {
+ let pkt = self.queued_pkts.pop().unwrap();
+ return Ok(pkt);
+ }
+ if (self.data_end != 0) && (self.src.tell() >= self.data_end) {
+ return Err(DemuxerError::EOF);
+ }
+ let streamres = strmgr.get_stream_by_id(0);
+ let stream = streamres.unwrap();
+ if let Some(ref mut astr) = self.stream {
+ loop {
+ let ret = astr.read_apackets(&mut self.queued_pkts, &mut self.src, stream.clone(), 0, false, self.blk_size);
+ if let Err(DemuxerError::TryAgain) = ret {
+ continue;
+ }
+ return ret;
+ }
+ }
+ Err(DemuxerError::NoSuchInput)
+ }
-//todo opaque data
+ #[allow(unused_variables)]
+ fn seek(&mut self, time: u64) -> DemuxerResult<()> {
+ Err(NotImplemented)
+ }
+}
+impl<'a> RealAudioDemuxer<'a> {
+ fn new(io: &'a mut ByteReader<'a>) -> Self {
+ RealAudioDemuxer {
+ src: io,
+ data_start: 0,
+ data_end: 0,
+ blk_size: 0,
+ stream: None,
+ queued_pkts: Vec::new(),
+ }
+ }
+}
static RM_VIDEO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[
(b"RV10", "realvideo1"),
(b"RVTR", "realvideo2"),
(b"RV30", "realvideo3"),
(b"RV40", "realvideo4"),
+ (b"RV60", "realvideo6"),
(b"CLV1", "clearvideo_rm"),
];
fn get_name(&self) -> &'static str { "realmedia" }
}
+pub struct RealAudioDemuxerCreator { }
+
+impl DemuxerCreator for RealAudioDemuxerCreator {
+ fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<DemuxCore<'a> + 'a> {
+ Box::new(RealAudioDemuxer::new(br))
+ }
+ fn get_name(&self) -> &'static str { "realaudio" }
+}
+
+/*pub struct RealIVRDemuxerCreator { }
+
+impl DemuxerCreator for RealIVRDemuxerCreator {
+ fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<DemuxCore<'a> + 'a> {
+ Box::new(RealIVRDemuxer::new(br))
+ }
+ fn get_name(&self) -> &'static str { "real_ivr" }
+}*/
+
#[cfg(test)]
mod test {
use super::*;
}
//panic!("the end");
}
+ #[test]
+ fn test_ra_demux() {
+ let mut file =
+// File::open("assets/RV/welcome288.ra").unwrap();
+ File::open("assets/RV/diemusik.ra").unwrap();
+ let mut fr = FileReader::new_read(&mut file);
+ let mut br = ByteReader::new(&mut fr);
+ let mut dmx = RealAudioDemuxer::new(&mut br);
+ let mut sm = StreamManager::new();
+ dmx.open(&mut sm).unwrap();
+
+ loop {
+ let pktres = dmx.get_frame(&mut sm);
+ if let Err(e) = pktres {
+ if e == DemuxerError::EOF { break; }
+ panic!("error");
+ }
+ let pkt = pktres.unwrap();
+ println!("Got {}", pkt);
+ }
+ }
}