2 use nihav_core::demuxers::DemuxerError::*;
8 ($a:expr, $b:expr, $c:expr, $d:expr) => ({
9 (($a as u32) << 24) | (($b as u32) << 16) | (($c as u32) << 8) | ($d as u32)
12 (($arr[0] as u32) << 24) | (($arr[1] as u32) << 16) | (($arr[2] as u32) << 8) | ($arr[3] as u32)
17 fn read_size(&mut self, ver: u16) -> ByteIOResult<u64>;
20 impl<'a> ReadSize for ByteReader<'a> {
21 fn read_size(&mut self, ver: u16) -> ByteIOResult<u64> {
23 0 => Ok(u64::from(self.read_u32be()?)),
24 2 => self.read_u64be(),
30 const RM_SIPRO_BLOCK_SIZES: [usize; 4] = [ 29, 19, 37, 20 ];
31 const RM_SIPRO_SWAPS: [[u8; 2]; 38] = [
32 [ 0, 63 ], [ 1, 22 ], [ 2, 44 ], [ 3, 90 ],
33 [ 5, 81 ], [ 7, 31 ], [ 8, 86 ], [ 9, 58 ],
34 [ 10, 36 ], [ 12, 68 ], [ 13, 39 ], [ 14, 73 ],
35 [ 15, 53 ], [ 16, 69 ], [ 17, 57 ], [ 19, 88 ],
36 [ 20, 34 ], [ 21, 71 ], [ 24, 46 ], [ 25, 94 ],
37 [ 26, 54 ], [ 28, 75 ], [ 29, 50 ], [ 32, 70 ],
38 [ 33, 92 ], [ 35, 74 ], [ 38, 85 ], [ 40, 56 ],
39 [ 42, 87 ], [ 43, 65 ], [ 45, 59 ], [ 48, 79 ],
40 [ 49, 93 ], [ 51, 89 ], [ 55, 95 ], [ 61, 76 ],
41 [ 67, 83 ], [ 77, 80 ]
44 struct RMVideoStream {
65 fn start_slice(&mut self, num_slices: usize, frame_size: usize, data: &[u8]) {
66 self.hdr_size = num_slices * 8 + 1;
67 self.frame.resize(frame_size + self.hdr_size, 0);
68 self.frame[0] = (num_slices - 1) as u8;
70 self.add_slice(1, data).unwrap();
72 fn add_slice(&mut self, slice_no: usize, data: &[u8]) -> DemuxerResult<()> {
73 validate!(self.hdr_size + self.frame_pos + data.len() <= self.frame.len());
74 self.write_slice_info(slice_no);
75 let dslice = &mut self.frame[self.hdr_size + self.frame_pos..][..data.len()];
76 dslice.copy_from_slice(data);
77 self.frame_pos += data.len();
80 fn write_slice_info(&mut self, slice_no: usize) {
81 let off = 1 + (slice_no - 1) * 8;
82 self.frame[off + 0] = 0;
83 self.frame[off + 1] = 0;
84 self.frame[off + 2] = 0;
85 self.frame[off + 3] = 1;
86 self.frame[off + 4] = (self.frame_pos >> 24) as u8;
87 self.frame[off + 5] = (self.frame_pos >> 16) as u8;
88 self.frame[off + 6] = (self.frame_pos >> 8) as u8;
89 self.frame[off + 7] = (self.frame_pos >> 0) as u8;
91 fn get_frame_data(&mut self) -> Vec<u8> {
92 let mut v: Vec<u8> = Vec::new();
93 mem::swap(&mut v, &mut self.frame);
99 #[derive(Clone,Copy,PartialEq)]
108 struct RMAudioStream {
109 deint: Deinterleaver,
110 iinfo: Option<InterleaveInfo>,
115 const RM_ILEAVE_INT0: u32 = mktag!(b"Int0");
116 const RM_ILEAVE_INT4: u32 = mktag!(b"Int4");
117 const RM_ILEAVE_GENR: u32 = mktag!(b"genr");
118 const RM_ILEAVE_SIPR: u32 = mktag!(b"sipr");
119 const RM_ILEAVE_VBRF: u32 = mktag!(b"vbrf");
120 const RM_ILEAVE_VBRS: u32 = mktag!(b"vbrs");
123 fn new(iinfo: Option<InterleaveInfo>) -> Self {
126 if let Some(info) = iinfo {
127 deint = match info.id {
128 RM_ILEAVE_INT0 => Deinterleaver::None,
129 RM_ILEAVE_INT4 => Deinterleaver::RA28_8,
130 RM_ILEAVE_GENR => Deinterleaver::Generic,
131 RM_ILEAVE_SIPR => Deinterleaver::Sipro,
132 RM_ILEAVE_VBRF => Deinterleaver::VBR,
133 RM_ILEAVE_VBRS => Deinterleaver::VBR,
134 _ => {println!("unknown deint {:X}", info.id); Deinterleaver::None },
137 Deinterleaver::None => { buf = Vec::new(); },
138 Deinterleaver::RA28_8 |
139 Deinterleaver::Generic |
140 Deinterleaver::Sipro => {
141 let bsize = (info.frame_size as usize) * (info.factor as usize);
142 buf = vec![0; bsize];
144 Deinterleaver::VBR => {
149 deint = Deinterleaver::None;
152 RMAudioStream { deint, iinfo, buf, sub_packet: 0 }
154 fn read_apackets(&mut self, queued_packets: &mut Vec<NAPacket>, src: &mut ByteReader, stream: NAStreamRef, ts: u32, keyframe: bool, payload_size: usize) -> DemuxerResult<NAPacket> {
155 let ts = stream.make_ts(Some(ts as u64), None, None);
161 Deinterleaver::None => { return src.read_packet(stream, ts, keyframe, payload_size); },
162 Deinterleaver::RA28_8 => {
163 let iinfo = self.iinfo.unwrap();
164 let factor = iinfo.factor as usize;
165 let halffact = factor >> 1;
166 let fsize = iinfo.frame_size as usize;
167 let bsize = iinfo.block_size as usize;
168 let ppos = self.sub_packet;
169 for sb in 0..halffact {
170 let dst = &mut self.buf[sb * 2 * fsize + ppos * bsize..][..bsize];
173 self.sub_packet += 1;
174 if self.sub_packet == factor {
176 return Ok(NAPacket::new(stream, ts, true, self.buf.clone()));
178 return Err(DemuxerError::TryAgain);
181 Deinterleaver::Generic => {
182 let iinfo = self.iinfo.unwrap();
183 let factor = iinfo.factor as usize;
184 let fsize = iinfo.frame_size as usize;
185 let bsize = iinfo.block_size as usize;
186 let factor2 = fsize / bsize;
187 let ppos = self.sub_packet;
189 for sb in 0..factor2 {
190 let sb_pos = factor * sb + ((factor + 1) >> 1) * (ppos & 1) + (ppos >> 1);
191 let dst = &mut self.buf[bsize * sb_pos..][..bsize];
195 Deinterleaver::Sipro => {
196 let iinfo = self.iinfo.unwrap();
197 let fsize = iinfo.frame_size as usize;
198 let ppos = self.sub_packet;
200 let dst = &mut self.buf[fsize * ppos..][..fsize];
203 Deinterleaver::VBR => {
204 validate!(payload_size >= 5);
205 let hdrsizesize = src.read_u16be()?;
206 let num_entries = (hdrsizesize / 16) as usize;
207 validate!(payload_size >= num_entries * 3 + 2);
208 let mut sizes: Vec<usize> = Vec::with_capacity(num_entries);
209 let mut tot_size = 0;
210 for _ in 0..num_entries {
211 let sz = src.read_u16be()? as usize;
215 validate!(tot_size + num_entries * 2 + 2 == payload_size);
216 let pkt_ts = stream.make_ts(None, None, None);
217 let mut first = true;
218 for size in sizes.iter() {
219 let cur_ts = if first { ts } else { pkt_ts };
221 let pkt = src.read_packet(stream.clone(), cur_ts, true, *size)?;
222 queued_packets.push(pkt);
224 queued_packets.reverse();
225 let pkt0 = queued_packets.pop().unwrap();
230 let iinfo = self.iinfo.unwrap();
231 let factor = iinfo.factor as usize;
232 let fsize = if iinfo.block_size != 0 { iinfo.block_size } else { iinfo.frame_size } as usize;
234 self.sub_packet += 1;
235 if self.sub_packet < factor {
236 return Err(DemuxerError::TryAgain);
241 if self.deint == Deinterleaver::Sipro {
242 sipro_restore(&mut self.buf, factor, iinfo.frame_size as usize);
245 let mut frames_iter = self.buf.chunks(fsize);
246 let pkt0 = frames_iter.next().unwrap();
248 let pkt_ts = stream.make_ts(None, None, None);
249 for pkts in frames_iter {
250 let pkt = NAPacket::new(stream.clone(), pkt_ts, true, pkts.to_vec());
251 queued_packets.push(pkt);
253 queued_packets.reverse();
254 Ok(NAPacket::new(stream, ts, true, pkt0.to_vec()))
258 fn sipro_restore(buf: &mut [u8], factor: usize, fsize: usize) {
259 let stride = factor * fsize * 2 / 96;
261 let mut sidx = (RM_SIPRO_SWAPS[i][0] as usize) * stride;
262 let mut didx = (RM_SIPRO_SWAPS[i][1] as usize) * stride;
264 let in0 = buf[sidx >> 1];
265 let in1 = buf[didx >> 1];
266 let nib0 = (in0 >> ((sidx & 1) * 4)) & 0xF;
267 let nib1 = (in1 >> ((didx & 1) * 4)) & 0xF;
269 buf[didx >> 1] = (nib0 << (4 * (didx & 1))) | (in1 & (0xF << (4 * (!didx & 1))));
270 buf[sidx >> 1] = (nib1 << (4 * (sidx & 1))) | (in0 & (0xF << (4 * (!sidx & 1))));
278 struct SubstreamInfo {
285 sub_info: Vec<SubstreamInfo>,
292 sub_info: Vec::new(),
296 fn add_stream(&mut self, stream_no: u32) {
297 let ssinfo = SubstreamInfo { id: stream_no, map: Vec::new(), str_ids: Vec::new() };
298 self.sub_info.push(ssinfo);
300 fn get_substream_no(&self) -> u32 {
303 fn find_idx(&self, stream_no: u32) -> Option<usize> {
304 self.sub_info.iter().position(|x| x.id == stream_no)
306 fn add_map_rule(&mut self, map_ss: u16) {
307 let idx = self.sub_info.len() - 1;
308 self.sub_info[idx].map.push(map_ss);
310 fn add_substream(&mut self) {
311 let idx = self.sub_info.len() - 1;
312 self.sub_info[idx].str_ids.push(self.sstr_id);
315 fn is_mlti_stream(&self, stream_no: u32) -> bool {
316 self.find_idx(stream_no).is_some()
318 fn find_substream(&self, stream_no: u32, grp: u16) -> Option<u32> {
319 if let Some(idx) = self.find_idx(stream_no) {
320 if (grp as usize) < self.sub_info[idx].map.len() {
321 let sub_id = self.sub_info[idx].map[grp as usize] as usize;
322 if sub_id < self.sub_info[idx].str_ids.len() {
323 return Some(self.sub_info[idx].str_ids[sub_id]);
332 Audio(RMAudioStream),
333 Video(RMVideoStream),
338 struct CommonStreamData {
339 streams: Vec<RMStreamType>,
341 mlti_mapper: MLTIMapper,
344 impl CommonStreamData {
349 mlti_mapper: MLTIMapper::new(),
352 fn get_stream_id(&self, str_no: u32, pkt_grp: u16) -> u32 {
353 if !self.mlti_mapper.is_mlti_stream(str_no) {
356 self.mlti_mapper.find_substream(str_no, pkt_grp).unwrap()
359 fn find_stream(&self, stream_id: u32) -> Option<usize> {
360 self.str_ids.iter().position(|x| *x == stream_id)
364 struct RealMediaDemuxer<'a> {
365 src: &'a mut ByteReader<'a>,
373 str_data: CommonStreamData,
375 data_chunks: Vec<(u64, u32, u16)>,
376 cur_data_chunk: usize,
378 queued_pkts: Vec<NAPacket>,
382 fn find_codec_name(registry: &[(&[u8;4], &'static str)], fcc: u32) -> &'static str {
383 for &(fourcc, name) in registry {
384 if mktag!(fourcc) == fcc { return name; }
389 fn read_14or30(src: &mut ByteReader) -> DemuxerResult<(bool, u32)> {
390 let tmp = src.read_u16be()?;
391 let flag = (tmp & 0x8000) != 0;
392 if (tmp & 0x4000) == 0x4000 {
393 Ok((flag, ((tmp & 0x3FFF) as u32)))
395 let val = ((tmp as u32) << 16) | (src.read_u16be()? as u32);
396 Ok((flag, val & 0x3FFFFFFF))
400 fn read_video_buf(src: &mut ByteReader, stream: NAStreamRef, ts: u32, keyframe: bool, frame_size: usize) -> DemuxerResult<NAPacket> {
401 let size = (frame_size as usize) + 9;
402 let mut vec: Vec<u8> = vec![0; size];
403 //v[0] = 0; // 1 slice
405 src.read_buf(&mut vec[9..])?;
407 let ts = stream.make_ts(Some(ts as u64), None, None);
408 Ok(NAPacket::new(stream, ts, keyframe, vec))
411 fn read_multiple_frame(src: &mut ByteReader, stream: NAStreamRef, keyframe: bool, skip_mtype: bool) -> DemuxerResult<NAPacket> {
413 let mtype = src.read_byte()?;
414 validate!(mtype == 0xC0);
416 let (_, frame_size) = read_14or30(src)?;
417 let (_, timestamp) = read_14or30(src)?;
418 let _seq_no = src.read_byte()?;
420 read_video_buf(src, stream, timestamp, keyframe, frame_size as usize)
423 struct RMDemuxCommon {}
426 fn parse_stream_info(str_data: &mut CommonStreamData, strmgr: &mut StreamManager, stream_no: u32, edata: &[u8], duration: u32) -> DemuxerResult<bool> {
427 let mut is_mlti = false;
428 let mut mr = MemoryReader::new_read(edata);
429 let mut src = ByteReader::new(&mut mr);
430 let tag = src.read_u32be()?;
431 let tag2 = src.peek_u32be()?;
432 if tag == mktag!('.', 'r', 'a', 0xFD) {
433 Self::parse_audio_stream(strmgr, &mut str_data.streams, stream_no, &mut src, edata, duration)?;
434 } else if ((tag2 == mktag!('V', 'I', 'D', 'O')) || (tag2 == mktag!('I', 'M', 'A', 'G'))) && ((tag as usize) <= edata.len()) {
435 Self::parse_video_stream(strmgr, &mut str_data.streams, stream_no, &mut src, edata, tag2, duration)?;
436 } else if tag == mktag!(b"LSD:") {
437 let extradata = Some(edata.to_owned());
439 src.read_skip(4)?; //version
440 let channels = src.read_u16be()?;
441 let samp_size = src.read_u16be()?;
442 let sample_rate = src.read_u32be()?;
444 let soniton = NASoniton::new(samp_size as u8, SONITON_FLAG_SIGNED);
445 let ahdr = NAAudioInfo::new(sample_rate, channels as u8, soniton, 1);
446 let nainfo = NACodecInfo::new("ralf", NACodecTypeInfo::Audio(ahdr), extradata);
447 let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, nainfo, 1, 1000, u64::from(duration)));
448 if res.is_none() { return Err(MemoryError); }
449 let astr = RMAudioStream::new(None);
450 str_data.streams.push(RMStreamType::Audio(astr));
451 } else if tag == mktag!(b"MLTI") {
453 let num_rules = src.read_u16be()? as usize;
455 str_data.mlti_mapper.add_stream(stream_no);
456 for _ in 0..num_rules {
457 let substr = src.read_u16be()?;
458 max_sub = max_sub.max(substr);
459 str_data.mlti_mapper.add_map_rule(substr);
461 let num_substreams = src.read_u16be()? as usize;
462 validate!(num_substreams > (max_sub as usize));
463 for _ in 0..num_substreams {
464 let hdr_size = src.read_u32be()? as usize;
465 validate!(hdr_size > 8);
466 let pos = src.tell() as usize;
467 src.read_skip(hdr_size)?;
468 str_data.mlti_mapper.add_substream();
470 let hdrsrc = &edata[pos..][..hdr_size];
471 let mut mr = MemoryReader::new_read(hdrsrc);
472 let mut hsrc = ByteReader::new(&mut mr);
474 let tag = hsrc.read_u32be()?;
475 let tag2 = hsrc.peek_u32be()?;
476 let stream_no = str_data.mlti_mapper.get_substream_no();
477 //todo check that all substreams are of the same type");
478 if tag == mktag!('.', 'r', 'a', 0xFD) {
479 Self::parse_audio_stream(strmgr, &mut str_data.streams, stream_no, &mut hsrc, hdrsrc, duration)?;
480 } else if (tag2 == mktag!('V', 'I', 'D', 'O')) && ((tag as usize) <= hdr_size) {
481 Self::parse_video_stream(strmgr, &mut str_data.streams, stream_no, &mut hsrc, hdrsrc, tag2, duration)?;
483 println!("unknown MLTI substream {:08X} / {:08X}", tag, tag2);
484 return Err(DemuxerError::InvalidData);
486 str_data.str_ids.push(stream_no);
490 str_data.streams.push(RMStreamType::Logical);
494 fn parse_audio_stream(strmgr: &mut StreamManager, streams: &mut Vec<RMStreamType>, stream_no: u32, src: &mut ByteReader, edata_: &[u8], duration: u32) -> DemuxerResult<()> {
495 let ver = src.read_u16be()?;
496 let ainfo = match ver {
507 println!("unknown version {}", ver);
508 return Err(DemuxerError::InvalidData);
511 let cname = find_codec_name(RM_AUDIO_CODEC_REGISTER, ainfo.fcc);
512 let blk_size = if ainfo.fcc != mktag!(b"sipr") {
513 if let Some(ref iinfo) = ainfo.ileave_info {
514 iinfo.block_size as usize
516 ainfo.granularity as usize
519 validate!(ainfo.flavor <= 3);
520 RM_SIPRO_BLOCK_SIZES[ainfo.flavor as usize]
522 let srate = ainfo.sample_rate;
523 let soniton = NASoniton::new(ainfo.sample_size as u8, SONITON_FLAG_SIGNED);
524 let ahdr = NAAudioInfo::new(srate, ainfo.channels as u8, soniton, blk_size);
525 let extradata = if ainfo.edata_size == 0 {
528 let eslice = &edata_[(src.tell() as usize)..];
529 Some(eslice.to_vec())
531 let duration = if duration == 0 { ainfo.get_duration(1000) } else { u64::from(duration) };
532 let nainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), extradata);
533 let res = strmgr.add_stream(NAStream::new(StreamType::Audio, stream_no as u32, nainfo, 1, 1000, duration));
534 if res.is_none() { return Err(MemoryError); }
536 let astr = RMAudioStream::new(ainfo.ileave_info);
537 streams.push(RMStreamType::Audio(astr));
540 #[allow(unused_variables)]
541 fn parse_video_stream(strmgr: &mut StreamManager, streams: &mut Vec<RMStreamType>, stream_no: u32, src: &mut ByteReader, edata_: &[u8], tag2: u32, duration: u32) -> DemuxerResult<()> {
543 let fcc = src.read_u32be()?;
544 let width = src.read_u16be()? as usize;
545 let height = src.read_u16be()? as usize;
546 let bpp = src.read_u16be()?;
547 let pad_w = src.read_u16be()?;
548 let pad_h = src.read_u16be()?;
550 if tag2 == mktag!('V', 'I', 'D', 'O') {
551 _fps = src.read_u32be()?;
555 let extradata: Option<Vec<u8>>;
557 let eslice = &edata_[(src.tell() as usize)..];
558 extradata = Some(eslice.to_vec());
562 let cname = find_codec_name(RM_VIDEO_CODEC_REGISTER, fcc);
564 let vhdr = NAVideoInfo::new(width, height, false, RGB24_FORMAT);
565 let vinfo = NACodecInfo::new(cname, NACodecTypeInfo::Video(vhdr), extradata);
566 let res = strmgr.add_stream(NAStream::new(StreamType::Video, stream_no as u32, vinfo, 1, 1000, u64::from(duration)));
567 if res.is_none() { return Err(DemuxerError::MemoryError); }
569 let vstr = RMVideoStream::new();
570 streams.push(RMStreamType::Video(vstr));
573 #[allow(unused_variables)]
574 fn parse_packet_payload(src: &mut ByteReader, rmstream: &mut RMStreamType, stream: NAStreamRef, slice_buf: &mut Vec<u8>, queued_pkts: &mut Vec<NAPacket>, keyframe: bool, ts: u32, payload_size: usize) -> DemuxerResult<NAPacket> {
576 RMStreamType::Video(ref mut vstr) => {
578 let pos = src.tell();
579 let b0 = src.read_byte()?;
581 0 => { // partial frame
582 let b1 = src.read_byte()?;
583 let hdr1 = ((b0 as u16) << 8) | (b1 as u16);
584 let num_pkts = ((hdr1 >> 7) & 0x7F) as usize;
585 let packet_num = hdr1 & 0x7F;
586 let (_, frame_size) = read_14or30(src)?;
587 let (_, off) = read_14or30(src)?;
588 let seq_no = src.read_byte()?;
589 let hdr_skip = (src.tell() - pos) as usize;
591 let slice_size = (payload_size - hdr_skip) as usize;
592 slice_buf.resize(slice_size, 0);
593 src.read_buf(slice_buf.as_mut_slice())?;
595 vstr.start_slice(num_pkts, frame_size as usize, slice_buf.as_slice());
597 vstr.add_slice(packet_num as usize, slice_buf.as_slice())?;
599 if (packet_num as usize) < num_pkts {
600 return Err(DemuxerError::TryAgain);
602 //todo: check if full frame is received
603 let ts = stream.make_ts(Some(ts as u64), None, None);
604 let pkt = NAPacket::new(stream, ts, keyframe, vstr.get_frame_data());
607 1 => { // whole frame
608 let seq_no = src.read_byte()?;
609 read_video_buf(src, stream, ts, keyframe, payload_size - 2)
611 2 => { // last partial frame
612 let b1 = src.read_byte()?;
613 let hdr1 = ((b0 as u16) << 8) | (b1 as u16);
614 let num_pkts = ((hdr1 >> 7) & 0x7F) as usize;
615 let packet_num = hdr1 & 0x7F;
616 let (_, frame_size) = read_14or30(src)?;
617 let (_, tail_size) = read_14or30(src)?;
618 let seq_no = src.read_byte()?;
619 slice_buf.resize(tail_size as usize, 0);
620 src.read_buf(slice_buf.as_mut_slice())?;
621 if packet_num == 1 && frame_size == tail_size {
622 vstr.start_slice(num_pkts, frame_size as usize, slice_buf.as_slice());
624 vstr.add_slice(packet_num as usize, slice_buf.as_slice())?;
627 while src.tell() < pos + (payload_size as u64) {
628 let res = read_multiple_frame(src, stream.clone(), false, false);
629 if res.is_err() { break; }
630 queued_pkts.push(res.unwrap());
632 queued_pkts.reverse();
633 let ts = stream.make_ts(Some(ts as u64), None, None);
634 let pkt = NAPacket::new(stream, ts, keyframe, vstr.get_frame_data());
637 _ => { // multiple frames
638 let res = read_multiple_frame(src, stream.clone(), keyframe, true);
639 if res.is_err() { return res; }
640 while src.tell() < pos + (payload_size as u64) {
641 let res = read_multiple_frame(src, stream.clone(), false, false);
642 if res.is_err() { break; }
643 queued_pkts.push(res.unwrap());
645 queued_pkts.reverse();
650 RMStreamType::Audio(ref mut astr) => {
651 astr.read_apackets(queued_pkts, src, stream, ts, keyframe, payload_size)
654 src.read_skip(payload_size)?;
655 Err(DemuxerError::InvalidData)
661 impl<'a> DemuxCore<'a> for RealMediaDemuxer<'a> {
662 fn open(&mut self, strmgr: &mut StreamManager, seek_idx: &mut SeekIndex) -> DemuxerResult<()> {
663 self.read_header(strmgr, seek_idx)?;
667 #[allow(unused_variables)]
668 fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
669 if !self.queued_pkts.is_empty() {
670 let pkt = self.queued_pkts.pop().unwrap();
674 if (self.cur_packet >= self.num_packets) || (self.src.tell() >= self.data_end) {
675 self.cur_data_chunk += 1;
676 if self.cur_data_chunk < self.data_chunks.len() {
677 let (pos, _, _) = self.data_chunks[self.cur_data_chunk];
678 self.src.seek(SeekFrom::Start(pos))?;
679 let res = read_chunk(self.src);
680 if let Ok((id, size, ver)) = res {
681 self.data_pos = self.src.tell();
683 self.data_end = self.data_pos + (size as u64);
684 if self.parse_data_start().is_ok() {
689 return Err(DemuxerError::EOF);
692 let pkt_start = self.src.tell();
693 let ver = self.src.read_u16be()?;
695 let len = self.src.read_u16be()? as usize;
696 let str_no = self.src.read_u16be()? as u32;
697 let ts = self.src.read_u32be()?;
701 pkt_grp = self.src.read_byte()? as u16;
702 flags = self.src.read_byte()?;
704 //asm_rule = self.src.read_u16be()?;
705 //asm_flags = self.src.read_byte()?;
706 self.src.read_skip(2)?;
708 self.src.read_skip(1)?;
711 let hdr_size = self.src.tell() - pkt_start;
712 //println!("packet @{:X} size {} for {} ts {} grp {} flags {:X}", pkt_start, len, str_no, ts, pkt_grp, flags);
713 self.cur_packet += 1;
715 let payload_size = len - (hdr_size as usize);
717 let stream_id = self.str_data.get_stream_id(str_no as u32, pkt_grp);
718 let sr = self.str_data.find_stream(stream_id);
720 self.src.read_skip(payload_size)?;
721 return Err(DemuxerError::InvalidData);
723 let str_id = sr.unwrap();
725 let streamres = strmgr.get_stream_by_id(stream_id);
726 if streamres.is_none() {
727 self.src.read_skip(payload_size)?;
730 let stream = streamres.unwrap();
731 if strmgr.is_ignored_id(stream_id) {
732 self.src.read_skip(payload_size)?;
735 //todo skip unwanted packet
736 let keyframe = (flags & KEYFRAME_FLAG) != 0;
738 let ret = RMDemuxCommon::parse_packet_payload(self.src, &mut self.str_data.streams[str_id], stream, &mut self.slice_buf, &mut self.queued_pkts, keyframe, ts, payload_size);
739 if let Err(DemuxerError::TryAgain) = ret {
747 #[allow(unused_variables)]
748 fn seek(&mut self, time: NATimePoint, seek_idx: &SeekIndex) -> DemuxerResult<()> {
749 self.queued_pkts.clear();
750 let ret = seek_idx.find_pos(time);
752 return Err(DemuxerError::SeekError);
754 let ret = ret.unwrap();
755 let seek_pos = ret.pos;
756 for (pos, size, ver) in self.data_chunks.iter() {
757 if seek_pos < *pos { continue; }
758 let end = *pos + (*size as u64);
761 self.data_pos = seek_pos;
762 self.data_ver = *ver;
764 self.src.seek(SeekFrom::Start(seek_pos))?;
768 Err(DemuxerError::SeekError)
771 fn get_duration(&self) -> u64 { 0 }
774 impl<'a> NAOptionHandler for RealMediaDemuxer<'a> {
775 fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
776 fn set_options(&mut self, _options: &[NAOption]) { }
777 fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
780 fn read_chunk(src: &mut ByteReader) -> DemuxerResult<(u32, u32, u16)> {
781 let id = src.read_u32be()?;
782 if id == 0 { return Ok((0, 0, 0)); }
783 let size = src.read_u32be()?;
785 let ver = src.read_u16be()?;
787 return Ok((id, 0x0FFFFFFF, ver));
789 validate!(size >= 10);
790 let ver = src.read_u16be()?;
795 #[derive(Clone,Copy,Debug)]
796 struct InterleaveInfo {
803 #[derive(Clone,Copy,Debug)]
805 struct RealAudioInfo {
813 bytes_per_minute: u32,
816 ileave_info: Option<InterleaveInfo>
820 fn get_duration(&self, base: u32) -> u64 {
821 if self.bytes_per_minute != 0 {
822 u64::from(self.total_bytes) * 60 * u64::from(base) / u64::from(self.bytes_per_minute)
829 fn skip_ra_metadata(src: &mut ByteReader) -> DemuxerResult<()> {
830 let title_len = src.read_byte()? as usize;
831 src.read_skip(title_len)?;
832 let author_len = src.read_byte()? as usize;
833 src.read_skip(author_len)?;
834 let copywrong_len = src.read_byte()? as usize;
835 src.read_skip(copywrong_len)?;
836 let comment_len = src.read_byte()? as usize;
837 src.read_skip(comment_len)?;
841 #[allow(unused_variables)]
842 fn parse_aformat3(src: &mut ByteReader) -> DemuxerResult<RealAudioInfo> {
843 let start = src.tell();
844 let header_len = src.read_u16be()?;
845 validate!(header_len >= 24);
846 let flavor = src.read_u16be()?;
847 let granularity = src.read_u32be()?;
848 let bytes_per_minute = src.read_u32be()?;
849 let total_bytes = src.read_u32be()?;
851 skip_ra_metadata(src)?;
853 // the original RealAudio has no such fields
854 let fcc = if src.tell() != start + u64::from(header_len) + 2 {
855 let _can_copy = src.read_byte()?;
856 let fcc_len = src.read_byte()?;
857 validate!(fcc_len == 0 || fcc_len == 4);
863 let end = src.tell();
864 validate!(end - start <= (header_len as u64) + 2);
868 sample_rate: 8000, sample_size: 16, channels: 1, channel_mask: 0,
869 granularity, bytes_per_minute,
870 total_bytes, edata_size: 0,
875 #[allow(unused_variables)]
876 fn parse_aformat4(src: &mut ByteReader) -> DemuxerResult<RealAudioInfo> {
877 let start = src.tell();
878 src.read_skip(2)?; // zeroes
879 let id = src.read_u32be()?;
880 validate!(id == mktag!(b".ra4"));
881 let data_size = src.read_u32be()?;
882 let _ver4 = src.read_u16be()?; // should be 4
883 let header_size = src.read_u32be()?;
884 let flavor = src.read_u16be()?;
885 let granularity = src.read_u32be()?;
886 let total_bytes = src.read_u32be()?;
887 let bytes_per_minute = src.read_u32be()?;
888 let _bytes_per_minute2 = src.read_u32be()?;
889 let ileave_factor = src.read_u16be()?;
890 let ileave_block_size = src.read_u16be()?;
891 let _user_data = src.read_u16be()?;
892 let sample_rate = src.read_u32be()?;
893 let sample_size = src.read_u32be()?;
894 let channels = src.read_u16be()?;
895 let interleaver_id_len = src.read_byte()?;
896 validate!(interleaver_id_len == 4);
897 let interleaver_id = src.read_u32be()?;
898 let fcc_len = src.read_byte()?;
899 validate!(fcc_len == 4);
900 let fcc = src.read_u32be()?;
901 let is_interleaved = src.read_byte()?;
902 let _can_copy = src.read_byte()?;
903 let _stream_type = src.read_byte()?;
905 skip_ra_metadata(src)?;
907 let end = src.tell();
908 validate!(end - start <= (header_size as u64) + 10);
910 let ileave_info = if is_interleaved != 0 {
911 Some(InterleaveInfo {
912 id: interleaver_id, factor: ileave_factor, block_size: granularity as u16,
913 frame_size: ileave_block_size,
921 sample_rate, sample_size: sample_size as u16, channels, channel_mask: 0,
922 granularity, bytes_per_minute,
923 total_bytes: total_bytes & 0xFFFFFF, edata_size: 0,
928 #[allow(unused_variables)]
929 fn parse_aformat5(src: &mut ByteReader) -> DemuxerResult<RealAudioInfo> {
930 let start = src.tell();
931 src.read_skip(2)?; // zeroes
932 let id = src.read_u32be()?;
933 validate!((id == mktag!(b".ra5")) || (id == mktag!(b".ra4")));
934 let data_size = src.read_u32be()?;
935 let _ver5 = src.read_u16be()?; // should be 5
936 let header_size = src.read_u32be()?;
937 let flavor = src.read_u16be()?;
938 let granularity = src.read_u32be()?;
939 let total_bytes = src.read_u32be()?;
940 let bytes_per_minute = src.read_u32be()?;
941 let _bytes_per_minute2 = src.read_u32be()?;
942 let ileave_factor = src.read_u16be()?;
943 let frame_size = src.read_u16be()?;
944 let ileave_block_size = src.read_u16be()?;
945 let user_data = src.read_u32be()?;
946 let _sample_rate1 = src.read_u16be()?;
947 let sample_rate = src.read_u32be()?;
948 let sample_size = src.read_u32be()?;
949 let channels = src.read_u16be()?;
950 let interleaver_id = src.read_u32be()?;
951 let fcc = src.read_u32be()?;
952 let is_interleaved = src.read_byte()?;
953 let _can_copy = src.read_byte()?;
954 let _stream_type = src.read_byte()?;
955 let has_ileave_pattern = src.read_byte()?;
956 if has_ileave_pattern != 0 {
957 unimplemented!("ra5 interleave pattern");
959 let mut edata_size = src.read_u32be()?;
960 let end = src.tell();
961 if id == mktag!(b".ra5") {
962 validate!(end - start <= (header_size as u64) + 10);
963 // src.read_skip(((end - start) as usize) - (header_size as usize) - 10)?;
965 validate!(end - start <= (header_size as u64) + 15);
968 let ileave_info = if is_interleaved != 0 {
969 Some(InterleaveInfo {
970 id: interleaver_id, factor: ileave_factor, block_size: ileave_block_size, frame_size,
975 if (fcc == mktag!(b"raac")) || (fcc == mktag!(b"racp")) {
976 validate!(edata_size > 1);
983 sample_rate, sample_size: sample_size as u16, channels, channel_mask: 0,
984 granularity, bytes_per_minute,
985 total_bytes: total_bytes & 0xFFFFFF, edata_size,
990 const RMVB_HDR_SIZE: u32 = 18;
991 const RMVB_PROP_SIZE: u32 = 50;
992 const KEYFRAME_FLAG: u8 = 0x02;
994 impl<'a> RealMediaDemuxer<'a> {
995 fn new(io: &'a mut ByteReader<'a>) -> Self {
1004 str_data: CommonStreamData::new(),
1005 data_chunks: Vec::new(),
1007 queued_pkts: Vec::new(),
1008 slice_buf: Vec::new(),
1011 #[allow(unused_variables)]
1012 fn read_header(&mut self, strmgr: &mut StreamManager, seek_idx: &mut SeekIndex) -> DemuxerResult<()> {
1013 let (id, size, ver) = read_chunk(self.src)?;
1014 validate!((id == mktag!(b".RMF")) || (id == mktag!(b".RMP")));
1015 validate!(size >= RMVB_HDR_SIZE);
1016 let fver = self.src.read_u32be()?;
1017 validate!(fver <= 1);
1018 let num_hdr = self.src.read_u32be()? as usize;
1019 validate!(num_hdr >= 1);
1020 if size > RMVB_HDR_SIZE {
1021 self.src.read_skip((size - RMVB_HDR_SIZE) as usize)?;
1024 let (id, size, ver) = read_chunk(self.src)?;
1025 let prop_size = if ver == 0 { RMVB_PROP_SIZE } else { RMVB_PROP_SIZE + 4 };
1026 validate!(size >= prop_size);
1027 validate!((ver == 0) || (ver == 2));
1028 let maxbr = self.src.read_u32be()?;
1029 let avgbr = self.src.read_u32be()?;
1030 let maxps = self.src.read_u32be()?;
1031 let avgps = self.src.read_u32be()?;
1032 let num_pkt = self.src.read_u32be()? as usize;
1033 let duration = self.src.read_u32be()?;
1034 let preroll = self.src.read_u32be()?;
1035 let idx_off = self.src.read_size(ver)?;
1036 let data_off = self.src.read_u32be()?;
1037 let num_streams = self.src.read_u16be()? as usize;
1038 let flags = self.src.read_u16be()?;
1039 if size > prop_size {
1040 self.src.read_skip((size - prop_size) as usize)?;
1043 for _ in 0..num_hdr {
1044 if self.src.is_eof() {
1048 let res = self.parse_chunk(strmgr, seek_idx);
1050 Ok(last) => { if last { break; } },
1051 Err(DemuxerError::IOError) => { break; },
1053 if self.data_chunks.is_empty() { // data is not found, report error
1059 validate!(!self.data_chunks.is_empty());
1060 self.cur_data_chunk = 0;
1061 let (pos, size, ver) = self.data_chunks[self.cur_data_chunk];
1062 self.data_pos = pos;
1063 self.data_ver = ver;
1064 self.data_end = pos + (size as u64);
1065 self.src.seek(SeekFrom::Start(self.data_pos + 10))?;
1066 self.parse_data_start()?;
1069 fn parse_data_start(&mut self) -> DemuxerResult<()> {
1070 let num_packets = self.src.read_u32be()?;
1071 if self.data_ver == 2 {
1072 self.src.read_skip(12)?; // zeroes?
1074 let next_data_hdr = self.src.read_u32be()?;
1075 self.num_packets = if num_packets > 0 { num_packets } else { 0xFFFFFF };
1076 self.cur_packet = 0;
1077 self.next_data = next_data_hdr as u64;
1080 fn parse_chunk(&mut self, strmgr: &mut StreamManager, seek_idx: &mut SeekIndex) -> DemuxerResult<bool> {
1081 let (id, size, ver) = read_chunk(self.src)?;
1082 let end_pos = self.src.tell() - 10 + (size as u64);
1084 validate!((ver == 0) || (ver == 2));
1085 if id == mktag!(b"CONT") { self.parse_content_desc()?; }
1086 else if id == mktag!(b"MDPR") { self.parse_mdpr(strmgr)?; }
1087 else if id == mktag!(b"DATA") {
1088 self.data_chunks.push((self.src.tell() - 10, size, ver));
1090 else if id == mktag!(b"INDX") {
1091 if !seek_idx.skip_index {
1092 self.parse_index(seek_idx, (size as usize) - 10, ver)?;
1095 else if id == 0 { return Ok(true); }
1096 else { println!("unknown chunk type {:08X}", id); }
1098 let cpos = self.src.tell();
1100 self.src.read_skip((end_pos - cpos) as usize)?;
1104 #[allow(unused_variables)]
1105 fn parse_content_desc(&mut self) -> DemuxerResult<()> {
1106 let title_len = self.src.read_u16be()? as usize;
1107 self.src.read_skip(title_len)?;
1108 let author_len = self.src.read_u16be()? as usize;
1109 self.src.read_skip(author_len)?;
1110 let copywrong_len = self.src.read_u16be()? as usize;
1111 self.src.read_skip(copywrong_len)?;
1112 let comment_len = self.src.read_u16be()? as usize;
1113 self.src.read_skip(comment_len)?;
1116 #[allow(unused_variables)]
1117 fn parse_mdpr(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> {
1118 let stream_no = self.src.read_u16be()? as u32;
1119 //todo check stream_no for duplicates
1120 let maxbr = self.src.read_u32be()?;
1121 let avgbr = self.src.read_u32be()?;
1122 let maxps = self.src.read_u32be()?;
1123 let avgps = self.src.read_u32be()?;
1124 let start = self.src.read_u32be()?;
1125 let preroll = self.src.read_u32be()?;
1126 let duration = self.src.read_u32be()?;
1127 let sname_size = self.src.read_byte()? as usize;
1128 let sname = read_string_size(self.src, sname_size)?;
1129 let mime_size = self.src.read_byte()? as usize;
1130 let mime = read_string_size(self.src, mime_size)?;
1131 let edata_size = self.src.read_u32be()? as usize;
1132 let edata: Option<Vec<u8>> = if edata_size == 0 { None } else {
1133 let mut edvec: Vec<u8> = vec![0; edata_size];
1134 self.src.read_buf(&mut edvec)?;
1137 let mut is_mlti = false;
1139 if let Some(edata_) = edata {
1140 is_mlti = RMDemuxCommon::parse_stream_info(&mut self.str_data, strmgr, stream_no, &edata_, duration)?;
1143 self.str_data.streams.push(RMStreamType::Unknown);
1146 self.str_data.str_ids.push(stream_no);
1151 fn parse_index(&mut self, seek_idx: &mut SeekIndex, chunk_size: usize, ver: u16) -> DemuxerResult<()> {
1152 if ver != 0 && ver != 2 { return Ok(()); }
1153 let num_entries = self.src.read_u32be()? as usize;
1154 let str_id = self.src.read_u16be()? as u32;
1155 let _next_idx = self.src.read_size(ver)?;
1157 validate!(chunk_size == num_entries * 14 + 10);
1159 validate!(chunk_size == num_entries * 18 + 14);
1161 if num_entries == 0 { return Ok(()); }
1163 seek_idx.add_stream(str_id);
1164 let idx = seek_idx.get_stream_index(str_id).unwrap();
1165 for _ in 0..num_entries {
1166 let iver = self.src.read_u16be()?;
1167 validate!(iver == ver);
1168 let ts = self.src.read_u32be()? as u64;
1169 let pos = self.src.read_size(ver)?;
1170 let _pkt_no = self.src.read_u32be()?;
1171 idx.add_entry(SeekEntry { time: ts, pts: 0, pos });
1174 seek_idx.mode = SeekIndexMode::Present;
1179 fn read_string_size(src: &mut ByteReader, size: usize) -> DemuxerResult<String> {
1180 let mut vec: Vec<u8> = Vec::new();
1182 let c = src.read_byte()?;
1185 if let Ok(res) = String::from_utf8(vec) {
1192 struct RealAudioDemuxer<'a> {
1193 src: &'a mut ByteReader<'a>,
1194 stream: Option<RMAudioStream>,
1198 queued_pkts: Vec<NAPacket>,
1201 impl<'a> DemuxCore<'a> for RealAudioDemuxer<'a> {
1202 #[allow(unused_variables)]
1203 fn open(&mut self, strmgr: &mut StreamManager, _seek_idx: &mut SeekIndex) -> DemuxerResult<()> {
1204 let magic = self.src.read_u32be()?;
1205 validate!(magic == mktag!(b".ra\xFD"));
1206 let ver = self.src.read_u16be()?;
1207 let ainfo = match ver {
1209 parse_aformat3(self.src)?
1212 parse_aformat4(self.src)?
1215 parse_aformat5(self.src)?
1218 println!("unknown version {}", ver);
1219 return Err(DemuxerError::InvalidData);
1222 let cname = find_codec_name(RM_AUDIO_CODEC_REGISTER, ainfo.fcc);
1223 let blk_size = if ainfo.fcc != mktag!(b"sipr") {
1224 ainfo.granularity as usize
1226 validate!(ainfo.flavor <= 3);
1227 RM_SIPRO_BLOCK_SIZES[ainfo.flavor as usize]
1229 let srate = ainfo.sample_rate;
1230 let soniton = NASoniton::new(ainfo.sample_size as u8, SONITON_FLAG_SIGNED);
1231 let ahdr = NAAudioInfo::new(srate, ainfo.channels as u8, soniton, blk_size);
1232 let extradata = if ainfo.edata_size == 0 {
1235 let mut dta: Vec<u8> = vec![0; ainfo.edata_size as usize];
1236 self.src.read_buf(dta.as_mut_slice())?;
1239 let nainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), extradata);
1240 let res = strmgr.add_stream(NAStream::new(StreamType::Audio, 0, nainfo, 1, srate, ainfo.get_duration(ainfo.sample_rate)));
1241 if res.is_none() { return Err(MemoryError); }
1243 let astr = RMAudioStream::new(ainfo.ileave_info);
1244 self.data_start = self.src.tell();
1245 self.data_end = if ainfo.total_bytes > 0 { self.src.tell() + (ainfo.total_bytes as u64) } else { 0 };
1246 self.blk_size = blk_size;
1247 self.stream = Some(astr);
1252 fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
1253 if !self.queued_pkts.is_empty() {
1254 let mut pkt = self.queued_pkts.pop().unwrap();
1258 if (self.data_end != 0) && (self.src.tell() >= self.data_end) {
1259 return Err(DemuxerError::EOF);
1261 let streamres = strmgr.get_stream_by_id(0);
1262 let stream = streamres.unwrap();
1263 if let Some(ref mut astr) = self.stream {
1265 let mut ret = astr.read_apackets(&mut self.queued_pkts, self.src, stream.clone(), 0, false, self.blk_size);
1266 if let Err(DemuxerError::TryAgain) = ret {
1269 if let Ok(ref mut pkt) = ret {
1275 Err(DemuxerError::NoSuchInput)
1278 #[allow(unused_variables)]
1279 fn seek(&mut self, time: NATimePoint, seek_idx: &SeekIndex) -> DemuxerResult<()> {
1283 fn get_duration(&self) -> u64 { 0 }
1286 impl<'a> NAOptionHandler for RealAudioDemuxer<'a> {
1287 fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
1288 fn set_options(&mut self, _options: &[NAOption]) { }
1289 fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
1292 impl<'a> RealAudioDemuxer<'a> {
1293 fn new(io: &'a mut ByteReader<'a>) -> Self {
1300 queued_pkts: Vec::new(),
1307 StreamProperties(usize),
1308 Packet { ts: u32, strm: u32, flags: u32, len: usize, checksum: u32 },
1309 IntValue(Vec<u8>, u32),
1310 BinaryData(Vec<u8>, Vec<u8>),
1311 StringData(Vec<u8>, Vec<u8>),
1318 fn read_string(src: &mut ByteReader) -> DemuxerResult<Vec<u8>> {
1319 let len = src.read_u32be()? as usize;
1320 let mut val = vec![0; len];
1321 src.read_buf(val.as_mut_slice())?;
1325 fn read(src: &mut ByteReader) -> DemuxerResult<Self> {
1326 let code = src.read_byte()?;
1329 let val = src.read_u32be()? as usize;
1330 Ok(IVRRecord::StreamProperties(val))
1333 let ts = src.read_u32be()?;
1334 let strm = src.read_u16be()? as u32;
1335 let flags = src.read_u32be()?;
1336 let len = src.read_u32be()? as usize;
1337 let chk = src.read_u32be()?;
1338 validate!((len > 0) && (len < (1 << 24)));
1339 Ok(IVRRecord::Packet { ts, strm, flags, len, checksum: chk })
1342 let name = Self::read_string(src)?;
1343 let len = src.read_u32be()?;
1344 validate!(len == 4);
1345 let val = src.read_u32be()?;
1346 Ok(IVRRecord::IntValue(name, val))
1349 let name = Self::read_string(src)?;
1350 let len = src.read_u32be()? as usize;
1351 let mut val = vec![0; len];
1352 src.read_buf(val.as_mut_slice())?;
1353 Ok(IVRRecord::BinaryData(name, val))
1356 let name = Self::read_string(src)?;
1357 let val = Self::read_string(src)?;
1358 Ok(IVRRecord::StringData(name, val))
1360 6 => Ok(IVRRecord::HeaderEnd),
1362 src.read_skip(8)?; // always zero?
1363 Ok(IVRRecord::DataEnd)
1366 src.read_skip(8)?; // always zero?
1367 Ok(IVRRecord::DataStart)
1369 _ => Ok(IVRRecord::Invalid(code)),
1372 fn is_data_start(&self) -> bool {
1373 matches!(*self, IVRRecord::DataStart)
1377 impl fmt::Display for IVRRecord {
1378 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
1380 IVRRecord::Invalid(typ) => write!(f, "Invalid({:02X})", typ),
1381 IVRRecord::StreamProperties(num) =>
1382 write!(f, "({} stream properties)", num),
1383 IVRRecord::Packet { ts, strm, flags, len, checksum } =>
1384 write!(f, "paket({}, {}, {:X}, {}, {})", ts, strm, flags, len, checksum),
1385 IVRRecord::IntValue(ref name, val) =>
1386 write!(f, "({} = {})", String::from_utf8_lossy(name), val),
1387 IVRRecord::BinaryData(ref name, ref val) =>
1388 write!(f, "({} = {} bytes)", String::from_utf8_lossy(name), val.len()),
1389 IVRRecord::StringData(ref name, ref val) =>
1390 write!(f, "({} = {})", String::from_utf8_lossy(name), String::from_utf8_lossy(val)),
1391 IVRRecord::HeaderEnd => write!(f, "header end"),
1392 IVRRecord::DataEnd => write!(f, "data end"),
1393 IVRRecord::DataStart => write!(f, "data start"),
1398 struct RecordDemuxer {
1402 remap_ids: Vec<u32>,
1405 impl RecordDemuxer {
1406 fn new(pos: u64, start_str: u32) -> Self {
1411 remap_ids: Vec::new(),
1414 fn parse_header(&mut self, src: &mut ByteReader, strmgr: &mut StreamManager, str_data: &mut CommonStreamData) -> DemuxerResult<()> {
1415 src.seek(SeekFrom::Start(self.cur_pos))?;
1416 let magic = src.read_u32be()?;
1417 validate!(magic == mktag!(b".REC"));
1418 let _smth = src.read_byte()?;
1419 let num_entries = src.read_u32be()? as usize;
1420 for _ in 0..num_entries {
1421 let _rec = IVRRecord::read(src)?;
1423 let mut has_seek_table = false;
1424 let mut cur_str_no = 0;
1426 let rec = IVRRecord::read(src)?;
1428 IVRRecord::HeaderEnd => { break; },
1429 IVRRecord::StreamProperties(num) => {
1430 let stream_no = cur_str_no + self.start_str;
1432 let mut parsed = false;
1433 let mut real_stream_no = 0;
1434 let mut duration = 0;
1436 let rec = IVRRecord::read(src)?;
1438 IVRRecord::IntValue(ref name, val) => {
1439 if name == b"StreamNumber\0" {
1440 real_stream_no = val;
1442 if name == b"Duration\0" {
1446 IVRRecord::BinaryData(ref name, ref val) => {
1447 if name == b"OpaqueData\0" {
1449 let is_mlti = RMDemuxCommon::parse_stream_info(str_data, strmgr, stream_no, val, duration)?;
1451 str_data.str_ids.push(stream_no);
1456 IVRRecord::StringData(ref name, ref val) => {
1457 if (name == b"SeekType\0") && (val != b"None\0") {
1458 has_seek_table = true;
1461 _ => { return Err(DemuxerError::InvalidData); }
1465 str_data.streams.push(RMStreamType::Unknown);
1466 str_data.str_ids.push(stream_no);
1468 self.remap_ids.push(real_stream_no);
1470 _ => {println!(" unexpected {}", rec); return Err(DemuxerError::InvalidData); }
1473 let off0 = src.read_u32be()? as u64;
1474 let _off1 = src.read_u32be()?;
1475 let _off2 = src.read_u32be()?;
1476 validate!(off0 + self.start_pos == src.tell());
1479 let data_off = src.read_u32be()? as u64;
1480 let pos = src.tell();
1481 validate!(data_off + self.start_pos > pos);
1482 src.read_skip((data_off + self.start_pos - pos) as usize)?;
1483 let rec = IVRRecord::read(src)?;
1484 validate!(rec.is_data_start());
1486 let ntype = src.peek_byte()?;
1487 validate!((ntype == 2) || (ntype == 7)); // packet or data end, no start
1490 self.cur_pos = src.tell();
1494 fn get_packet(&mut self, src: &mut ByteReader, str_data: &mut CommonStreamData, strmgr: &StreamManager, queued_pkts: &mut Vec<NAPacket>, slice_buf: &mut Vec<u8>) -> DemuxerResult<NAPacket> {
1495 src.seek(SeekFrom::Start(self.cur_pos))?;
1497 let rec = IVRRecord::read(src)?;
1499 IVRRecord::Packet { ts, strm, flags, len, .. } => {
1500 let payload_size = len;
1501 let sr = self.remap_ids.iter().position(|x| *x == strm);
1502 validate!(sr.is_some());
1503 let str_no = self.start_str + (sr.unwrap() as u32);
1504 let pkt_grp = ((flags >> 8) & 0xFF) as u16;
1505 let stream_id = str_data.get_stream_id(str_no as u32, pkt_grp);
1506 let sr = str_data.find_stream(stream_id);
1508 src.read_skip(payload_size)?;
1509 return Err(DemuxerError::InvalidData);
1511 let str_id = sr.unwrap();
1513 let streamres = strmgr.get_stream_by_id(stream_id);
1514 if streamres.is_none() {
1515 src.read_skip(payload_size)?;
1518 let stream = streamres.unwrap();
1519 if strmgr.is_ignored_id(stream_id) {
1520 src.read_skip(payload_size)?;
1523 let keyframe = false;
1524 let ret = RMDemuxCommon::parse_packet_payload(src, &mut str_data.streams[str_id], stream, slice_buf, queued_pkts, keyframe, ts, payload_size);
1525 if let Err(DemuxerError::TryAgain) = ret {
1528 self.cur_pos = src.tell();
1532 IVRRecord::DataEnd => return Err(DemuxerError::EOF),
1533 _ => return Err(DemuxerError::InvalidData),
1539 struct RealIVRDemuxer<'a> {
1540 src: &'a mut ByteReader<'a>,
1541 recs: Vec<RecordDemuxer>,
1543 queued_pkts: Vec<NAPacket>,
1545 str_data: CommonStreamData,
1548 impl<'a> DemuxCore<'a> for RealIVRDemuxer<'a> {
1549 #[allow(unused_variables)]
1550 fn open(&mut self, strmgr: &mut StreamManager, seek_idx: &mut SeekIndex) -> DemuxerResult<()> {
1551 let magic = self.src.peek_u32be()?;
1552 if magic == mktag!(b".REC") {
1553 let mut rec = RecordDemuxer::new(0, 0);
1554 rec.parse_header(self.src, strmgr, &mut self.str_data)?;
1555 self.recs.push(rec);
1556 } else if magic == mktag!(b".R1M") {
1557 self.src.read_skip(4)?; // magic
1558 self.src.read_skip(3)?; // always 0, 1, 1 ?
1559 let _name = IVRRecord::read_string(self.src)?;
1560 self.src.read_skip(1)?; // always 0?
1561 let len1 = self.src.read_u32be()? as u64;
1562 let off1 = self.src.read_u64be()?;
1563 let cpos = self.src.tell();
1564 validate!(off1 == len1 + cpos - 8);
1565 self.src.read_skip((off1 - cpos) as usize)?;
1567 let typ = self.src.read_byte()?;
1570 let len = self.src.read_u32be()?;
1571 self.src.read_skip(len as usize)?;
1574 let len = self.src.read_u32be()? as u64;
1575 let pos = self.src.tell();
1577 let num_streams = self.str_data.streams.len() as u32;
1578 let mut rec = RecordDemuxer::new(pos + 12, num_streams);
1579 rec.parse_header(self.src, strmgr, &mut self.str_data)?;
1580 self.recs.push(rec);
1582 self.src.seek(SeekFrom::Start(pos + len))?;
1585 let mut buf: [u8; 2] = [0; 2];
1586 self.src.peek_buf(&mut buf)?;
1587 if (buf[0] == b'J') && (buf[1] == b'M') { // RJMx markers at the end of file
1590 return Err(DemuxerError::InvalidData);
1593 _ => { return Err(DemuxerError::InvalidData); },
1597 return Err(DemuxerError::InvalidData);
1603 fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
1604 if !self.queued_pkts.is_empty() {
1605 let pkt = self.queued_pkts.pop().unwrap();
1609 if self.cur_rec >= self.recs.len() { return Err(DemuxerError::EOF); }
1610 let res = self.recs[self.cur_rec].get_packet(self.src, &mut self.str_data, strmgr, &mut self.queued_pkts, &mut self.slice_buf);
1611 if let Err(DemuxerError::EOF) = res {
1619 #[allow(unused_variables)]
1620 fn seek(&mut self, time: NATimePoint, seek_idx: &SeekIndex) -> DemuxerResult<()> {
1624 fn get_duration(&self) -> u64 { 0 }
1627 impl<'a> NAOptionHandler for RealIVRDemuxer<'a> {
1628 fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
1629 fn set_options(&mut self, _options: &[NAOption]) { }
1630 fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
1633 impl<'a> RealIVRDemuxer<'a> {
1634 fn new(io: &'a mut ByteReader<'a>) -> Self {
1639 queued_pkts: Vec::new(),
1640 slice_buf: Vec::new(),
1641 str_data: CommonStreamData::new(),
1646 static RM_VIDEO_CODEC_REGISTER: &[(&[u8;4], &str)] = &[
1647 (b"RV10", "realvideo1"),
1648 (b"RV20", "realvideo2"),
1649 (b"RVTR", "realvideo2"),
1650 (b"RV30", "realvideo3"),
1651 (b"RV40", "realvideo4"),
1652 (b"RV60", "realvideo6"),
1653 (b"CLV1", "clearvideo_rm"),
1656 static RM_AUDIO_CODEC_REGISTER: &[(&[u8;4], &str)] = &[
1657 (b"lpcJ", "ra14.4"),
1658 (b"28_8", "ra28.8"),
1662 (b"atrc", "atrac3"),
1668 pub struct RealMediaDemuxerCreator { }
1670 impl DemuxerCreator for RealMediaDemuxerCreator {
1671 fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
1672 Box::new(RealMediaDemuxer::new(br))
1674 fn get_name(&self) -> &'static str { "realmedia" }
1677 pub struct RealAudioDemuxerCreator { }
1679 impl DemuxerCreator for RealAudioDemuxerCreator {
1680 fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
1681 Box::new(RealAudioDemuxer::new(br))
1683 fn get_name(&self) -> &'static str { "realaudio" }
1686 pub struct RealIVRDemuxerCreator { }
1688 impl DemuxerCreator for RealIVRDemuxerCreator {
1689 fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
1690 Box::new(RealIVRDemuxer::new(br))
1692 fn get_name(&self) -> &'static str { "real_ivr" }
1701 fn test_rm_demux() {
1702 // sample from a private collection
1704 File::open("assets/RV/rv10_dnet_640x352_realvideo_encoder_4.0.rm").unwrap();
1705 // File::open("assets/RV/rv20_cook_640x352_realproducer_plus_8.51.rm").unwrap();
1706 // File::open("assets/RV/rv20_svt_atrc_640x352_realproducer_plus_8.51.rm").unwrap();
1707 // File::open("assets/RV/rv30_atrc_384x208_realproducer_plus_8.51.rm").unwrap();
1708 // File::open("assets/RV/rv30_chroma_drift.rm").unwrap();
1709 // File::open("assets/RV/rv30_weighted_mc.rm").unwrap();
1710 // File::open("assets/RV/rv40_weighted_mc.rmvb").unwrap();
1711 // File::open("assets/RV/rv40_weighted_mc_2.rmvb").unwrap();
1712 // File::open("assets/RV/clv1_sipr_384x208_realvideo_encoder_4.0.rm").unwrap();
1713 // File::open("assets/RV/luckynight.rmvb").unwrap();
1714 // File::open("assets/RV/rv40_ralf.rmvb").unwrap();
1715 let mut fr = FileReader::new_read(&mut file);
1716 let mut br = ByteReader::new(&mut fr);
1717 let mut dmx = RealMediaDemuxer::new(&mut br);
1718 let mut sm = StreamManager::new();
1719 let mut si = SeekIndex::new();
1720 dmx.open(&mut sm, &mut si).unwrap();
1723 let pktres = dmx.get_frame(&mut sm);
1724 if let Err(e) = pktres {
1725 if e == DemuxerError::EOF { break; }
1728 let pkt = pktres.unwrap();
1729 println!("Got {}", pkt);
1731 //panic!("the end");
1734 fn test_ra_demux() {
1735 // sample: https://samples.mplayerhq.hu/real//RA/ra_with_comment_field/diemusik.ra
1737 // File::open("assets/RV/welcome288.ra").unwrap();
1738 File::open("assets/RV/diemusik.ra").unwrap();
1739 let mut fr = FileReader::new_read(&mut file);
1740 let mut br = ByteReader::new(&mut fr);
1741 let mut dmx = RealAudioDemuxer::new(&mut br);
1742 let mut sm = StreamManager::new();
1743 let mut si = SeekIndex::new();
1744 dmx.open(&mut sm, &mut si).unwrap();
1747 let pktres = dmx.get_frame(&mut sm);
1748 if let Err(e) = pktres {
1749 if e == DemuxerError::EOF { break; }
1752 let pkt = pktres.unwrap();
1753 println!("Got {}", pkt);
1757 fn test_ivr_demux() {
1758 // sample: https://samples.mplayerhq.hu/real/ivr/Opener_rm_hi.ivr
1760 File::open("assets/RV/Opener_rm_hi.ivr").unwrap();
1761 // File::open("assets/RV/SherwinWilliamsCommercial.ivr").unwrap();
1762 let mut fr = FileReader::new_read(&mut file);
1763 let mut br = ByteReader::new(&mut fr);
1764 let mut dmx = RealIVRDemuxer::new(&mut br);
1765 let mut sm = StreamManager::new();
1766 let mut si = SeekIndex::new();
1767 dmx.open(&mut sm, &mut si).unwrap();
1770 let pktres = dmx.get_frame(&mut sm);
1771 if let Err(e) = pktres {
1772 if e == DemuxerError::EOF { break; }
1775 let pkt = pktres.unwrap();
1776 println!("Got {}", pkt);