});
}
+const RM_SIPRO_BLOCK_SIZES: [usize; 4] = [ 29, 19, 37, 20 ];
+const RM_SIPRO_SWAPS: [[u8; 2]; 38] = [
+ [ 0, 63 ], [ 1, 22 ], [ 2, 44 ], [ 3, 90 ],
+ [ 5, 81 ], [ 7, 31 ], [ 8, 86 ], [ 9, 58 ],
+ [ 10, 36 ], [ 12, 68 ], [ 13, 39 ], [ 14, 73 ],
+ [ 15, 53 ], [ 16, 69 ], [ 17, 57 ], [ 19, 88 ],
+ [ 20, 34 ], [ 21, 71 ], [ 24, 46 ], [ 25, 94 ],
+ [ 26, 54 ], [ 28, 75 ], [ 29, 50 ], [ 32, 70 ],
+ [ 33, 92 ], [ 35, 74 ], [ 38, 85 ], [ 40, 56 ],
+ [ 42, 87 ], [ 43, 65 ], [ 45, 59 ], [ 48, 79 ],
+ [ 49, 93 ], [ 51, 89 ], [ 55, 95 ], [ 61, 76 ],
+ [ 67, 83 ], [ 77, 80 ]
+];
+
struct RMVideoStream {
frame: Vec<u8>,
hdr_size: usize,
const RM_ILEAVE_INT4: u32 = mktag!(b"Int4");
const RM_ILEAVE_GENR: u32 = mktag!(b"genr");
const RM_ILEAVE_SIPR: u32 = mktag!(b"sipr");
+const RM_ILEAVE_VBRF: u32 = mktag!(b"vbrf");
const RM_ILEAVE_VBRS: u32 = mktag!(b"vbrs");
impl RMAudioStream {
RM_ILEAVE_INT4 => Deinterleaver::RA28_8,
RM_ILEAVE_GENR => Deinterleaver::Generic,
RM_ILEAVE_SIPR => Deinterleaver::Sipro,
+ RM_ILEAVE_VBRF => Deinterleaver::VBR,
RM_ILEAVE_VBRS => Deinterleaver::VBR,
_ => {println!("unknown deint {:X}", info.id); Deinterleaver::None },
};
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();
let factor = iinfo.factor as usize;
- let fsize = iinfo.frame_size as usize;
+ let fsize = if iinfo.block_size != 0 { iinfo.block_size } else { iinfo.frame_size } as usize;
self.sub_packet += 1;
if self.sub_packet < factor {
self.sub_packet = 0;
if self.deint == Deinterleaver::Sipro {
-// todo sipro deinterleave
+ sipro_restore(&mut self.buf, factor, fsize);
}
let mut frames_iter = self.buf.chunks(fsize);
}
}
+fn sipro_restore(buf: &mut [u8], factor: usize, fsize: usize) {
+ let stride = factor * fsize * 2 / 96;
+ for i in 0..38 {
+ let mut sidx = (RM_SIPRO_SWAPS[i][0] as usize) * stride;
+ let mut didx = (RM_SIPRO_SWAPS[i][1] as usize) * stride;
+ for _ in 0..stride {
+ let in0 = buf[sidx >> 1];
+ let in1 = buf[didx >> 1];
+ let nib0 = (in0 >> ((sidx & 1) * 4)) & 0xF;
+ let nib1 = (in1 >> ((didx & 1) * 4)) & 0xF;
+
+ buf[didx >> 1] = (nib0 << (4 * (didx & 1))) | (in1 & (0xF << (4 * (!didx & 1))));
+ buf[sidx >> 1] = (nib1 << (4 * (sidx & 1))) | (in0 & (0xF << (4 * (!sidx & 1))));
+
+ sidx += 1;
+ didx += 1;
+ }
+ }
+}
+
enum RMStreamType {
Audio(RMAudioStream),
Video(RMVideoStream),
struct RealMediaDemuxer<'a> {
src: &'a mut ByteReader<'a>,
data_pos: u64,
+ data_ver: u16,
num_packets: u32,
cur_packet: u32,
if self.cur_packet >= self.num_packets { 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()?;
if ver == 0 {
_pkt_grp = self.src.read_byte()?;
} else {
- //asm_rule = self.src.read_u16le()?;
+ //asm_rule = self.src.read_u16be()?;
self.src.read_skip(2)?;
_pkt_grp = 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);
if packet_num == 1 {
vstr.start_slice(num_pkts, frame_size as usize, self.slice_buf.as_slice());
} else {
- vstr.add_slice(packet_num as usize, self.slice_buf.as_slice());
+ vstr.add_slice(packet_num as usize, self.slice_buf.as_slice());
}
if (packet_num as usize) < num_pkts {
continue;
1 => { // whole frame
let seq_no = self.src.read_byte()?;
//println!(" mode 1 seq {}", seq_no);
- read_video_buf(self.src, stream, ts, keyframe, payload_size - 1)
+ read_video_buf(self.src, stream, ts, keyframe, payload_size - 2)
},
2 => { // last partial frame
let b1 = self.src.read_byte()?;
//println!(" mode 2 pkt {}/{} tail {}/{} seq {}", packet_num, num_pkts, tail_size, frame_size, seq_no);
self.slice_buf.resize(tail_size as usize, 0);
self.src.read_buf(self.slice_buf.as_mut_slice())?;
- vstr.add_slice(packet_num as usize, self.slice_buf.as_slice());
+ if packet_num == 1 && frame_size == tail_size {
+ vstr.start_slice(num_pkts, frame_size as usize, self.slice_buf.as_slice());
+ } else {
+ vstr.add_slice(packet_num as usize, self.slice_buf.as_slice());
+ }
while self.src.tell() < pos + (payload_size as u64) {
let res = read_multiple_frame(self.src, stream.clone(), false, false);
let id = src.read_u32be()?;
if id == 0 { return Ok((0, 0, 0)); }
let size = src.read_u32be()?;
+if size == 0 {
+ let ver = src.read_u16be()?;
+ 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))
}
fcc: u32,
sample_rate: u32,
sample_size: u16,
+ flavor: u16,
channels: u16,
channel_mask: u32,
granularity: u32,
validate!(end - start <= (header_len as u64) + 2);
Ok(RealAudioInfo {
- fcc: fcc, sample_rate: 8000, sample_size: 16, channels: 1, channel_mask: 0,
+ fcc: fcc, flavor: flavor,
+ sample_rate: 8000, sample_size: 16, channels: 1, channel_mask: 0,
granularity: granularity, bytes_per_minute: bytes_per_minute,
total_bytes: total_bytes, edata_size: 0,
ileave_info: None,
let data_size = src.read_u32be()?;
let _ver4 = src.read_u16be()?; // should be 4
let header_size = src.read_u32be()?;
- let _flavor = src.read_u16be()?;
+ let flavor = src.read_u16be()?;
let granularity = src.read_u32be()?;
let total_bytes = src.read_u32be()?;
let bytes_per_minute = src.read_u32be()?;
};
Ok(RealAudioInfo {
- fcc: fcc, sample_rate: sample_rate, sample_size: sample_size as u16, channels: channels, channel_mask: 0,
+ fcc: fcc, flavor: flavor,
+ sample_rate: sample_rate, sample_size: sample_size as u16, channels: channels, channel_mask: 0,
granularity: granularity, bytes_per_minute: bytes_per_minute,
total_bytes: total_bytes & 0xFFFFFF, edata_size: 0,
ileave_info: ileave_info,
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()?;
- let _flavor = src.read_u16be()?;
+ let flavor = src.read_u16be()?;
let granularity = src.read_u32be()?;
let total_bytes = src.read_u32be()?;
let bytes_per_minute = 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);
- src.read_skip((end as usize) - (header_size as usize))?;
+ 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, sample_rate: sample_rate, sample_size: sample_size as u16, channels: channels, channel_mask: 0,
+ fcc: fcc, flavor: flavor,
+ sample_rate: sample_rate, sample_size: sample_size as u16, channels: channels, channel_mask: 0,
granularity: granularity, bytes_per_minute: bytes_per_minute,
total_bytes: total_bytes & 0xFFFFFF, edata_size: edata_size,
ileave_info: ileave_info,
RealMediaDemuxer {
src: io,
data_pos: 0,
+ data_ver: 0,
num_packets: 0,
cur_packet: 0,
streams: 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))?;
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 = num_packets;
+ self.num_packets = if num_packets > 0 { num_packets } else { 0xFFFFFF };
self.cur_packet = 0;
Ok(())
}
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); }
};
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, 1);
+ let ahdr = NAAudioInfo::new(srate, ainfo.channels as u8, soniton, blk_size);
let extradata = if ainfo.edata_size == 0 {
None
} else {
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!();
-}
-
-//todo interleavers
-
-//todo opaque data
-
-
static RM_VIDEO_CODEC_REGISTER: &'static [(&[u8;4], &str)] = &[
(b"RV10", "realvideo1"),
(b"RV20", "realvideo2"),
(b"RVTR", "realvideo2"),
(b"RV30", "realvideo3"),
(b"RV40", "realvideo4"),
+ (b"RV60", "realvideo6"),
(b"CLV1", "clearvideo_rm"),
];
projects / nihav.git / blobdiff