--- /dev/null
+use nihav_core::frame::*;
+use nihav_core::demuxers::*;
+
+struct ArxelCinemaDemuxer<'a> {
+ src: &'a mut ByteReader<'a>,
+ cur_frame: usize,
+ astreams: usize,
+ offsets: Vec<u32>,
+ vpts: u64,
+ tb_num: u32,
+ tb_den: u32,
+}
+
+impl<'a> DemuxCore<'a> for ArxelCinemaDemuxer<'a> {
+ #[allow(unused_variables)]
+ fn open(&mut self, strmgr: &mut StreamManager, _seek_index: &mut SeekIndex) -> DemuxerResult<()> {
+ let src = &mut self.src;
+
+ let magic = src.read_tag()?;
+ validate!(&magic == b"CNM ");
+ let magic = src.read_tag()?;
+ validate!(&magic == b"UNR\x00");
+ let _duration = src.read_u32le()?;
+ let tb_den = src.read_u32le()?;
+ src.read_byte()?;
+ let width = src.read_u32le()? as usize;
+ let height = src.read_u32le()? as usize;
+ validate!(width != 0 && height != 0);
+ src.read_u16le()?;
+ self.astreams = src.read_byte()? as usize;
+ validate!(self.astreams < 4);
+ if self.astreams > 1 {
+ return Err(DemuxerError::NotImplemented);
+ }
+ let nframes = src.read_u32le()? as usize;
+ src.read_u32le()?; //nframes again?
+ let tab_size = src.read_u32le()? as usize;
+ validate!(tab_size == nframes * 8);
+ src.read_skip(0x98)?;
+
+ let vhdr = NAVideoInfo::new(width, height, true, RGB24_FORMAT);
+ let vci = NACodecTypeInfo::Video(vhdr);
+ let vinfo = NACodecInfo::new("arxel-video", vci, None);
+ if strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 100, tb_den, nframes as u64)).is_none() {
+ return Err(DemuxerError::MemoryError);
+ }
+ if let Some(stream) = strmgr.get_stream_by_id(0) {
+ let (tb_num, tb_den) = stream.get_timebase();
+ self.tb_num = tb_num;
+ self.tb_den = tb_den;
+ }
+
+ for trk in 0..(self.astreams as u32) {
+ let channels = src.read_byte()? + 1;
+ let abits = src.read_byte()?;
+ let arate = src.read_u32le()?;
+ src.read_skip(10)?;
+ validate!(channels > 0);
+ validate!(abits >= 8);
+ validate!(arate > 0);
+
+ let ahdr = NAAudioInfo::new(arate, channels, if abits > 8 { SND_S16_FORMAT } else { SND_U8_FORMAT }, 2);
+ let ainfo = NACodecInfo::new("pcm", NACodecTypeInfo::Audio(ahdr), None);
+ if strmgr.add_stream(NAStream::new(StreamType::Audio, 1 + trk, ainfo, 1, arate, 0)).is_none() {
+ return Err(DemuxerError::MemoryError);
+ }
+ }
+
+ let tab_size = tab_size / 4;
+ self.offsets = Vec::with_capacity(tab_size);
+ for _ in 0..tab_size {
+ let offset = src.read_u32le()?;
+ self.offsets.push(offset);
+ }
+ self.cur_frame = 0;
+ self.vpts = 0;
+ Ok(())
+ }
+
+ #[allow(unused_variables)]
+ fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
+ loop {
+ if self.cur_frame >= self.offsets.len() { return Err(DemuxerError::EOF); }
+ let pos = u64::from(self.offsets[self.cur_frame]);
+ let stream_id = (self.cur_frame % (self.astreams.max(1) + 1)) as u32;
+ self.cur_frame += 1;
+ if pos == 0 {
+ continue;
+ }
+
+ self.src.seek(SeekFrom::Start(pos))?;
+ let ftype = self.src.read_byte()?;
+ match ftype {
+ 0x41 | 0x42 | 0x5A => {
+ let size = self.src.read_u32le()? as usize;
+ if size == 0 {
+ continue;
+ }
+ if let Some(stream) = strmgr.get_stream_by_id(stream_id) {
+ let ts = stream.make_ts(None, None, None);
+ return self.src.read_packet(stream, ts, true, size);
+ } else {
+ self.src.read_skip(size)?;
+ }
+ },
+ 0x53 => {
+ let size = self.src.peek_u32le()? as usize;
+ if let Some(stream) = strmgr.get_stream_by_id(0) {
+ let ts = stream.make_ts(Some(self.vpts), None, None);
+ self.vpts += 1;
+ return self.src.read_packet(stream, ts, true, size + 0x2F);
+ } else {
+ return Err(DemuxerError::MemoryError);
+ }
+ },
+ _ => continue,
+ };
+ }
+ }
+
+ fn seek(&mut self, time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> {
+ match time {
+ NATimePoint::PTS(pts) => self.seek_to_frame(pts),
+ NATimePoint::Milliseconds(ms) => {
+ if self.tb_num == 0 || self.tb_den == 0 {
+ return Err(DemuxerError::NotPossible);
+ }
+ let pts = NATimeInfo::time_to_ts(ms, 1000, self.tb_num, self.tb_den);
+ self.seek_to_frame(pts)
+ },
+ _ => Err(DemuxerError::NotPossible)
+ }
+ }
+ fn get_duration(&self) -> u64 { 0 }
+}
+impl<'a> NAOptionHandler for ArxelCinemaDemuxer<'a> {
+ fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
+ fn set_options(&mut self, _options: &[NAOption]) { }
+ fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
+}
+impl<'a> ArxelCinemaDemuxer<'a> {
+ fn new(io: &'a mut ByteReader<'a>) -> Self {
+ ArxelCinemaDemuxer {
+ src: io,
+ cur_frame: 0,
+ astreams: 0,
+ offsets: Vec::new(),
+ vpts: 0,
+ tb_num: 0,
+ tb_den: 0,
+ }
+ }
+ fn seek_to_frame(&mut self, pts: u64) -> DemuxerResult<()> {
+ let nframe = (pts as usize) * (1 + self.astreams.max(1));
+ if nframe < self.offsets.len() {
+ self.cur_frame = nframe;
+ Ok(())
+ } else {
+ Err(DemuxerError::SeekError)
+ }
+ }
+}
+
+pub struct CNMDemuxerCreator { }
+
+impl DemuxerCreator for CNMDemuxerCreator {
+ fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
+ Box::new(ArxelCinemaDemuxer::new(br))
+ }
+ fn get_name(&self) -> &'static str { "arxel-cnm" }
+}
+
+#[cfg(test)]
+mod test {
+ use super::*;
+ use std::fs::File;
+
+ // samples from the Ring game
+ #[test]
+ fn test_cnm_demux() {
+ let mut file = File::open("assets/Game/logo.cnm").unwrap();
+ let mut fr = FileReader::new_read(&mut file);
+ let mut br = ByteReader::new(&mut fr);
+ let mut dmx = ArxelCinemaDemuxer::new(&mut br);
+ let mut sm = StreamManager::new();
+ let mut si = SeekIndex::new();
+ dmx.open(&mut sm, &mut si).unwrap();
+ loop {
+ let pktres = dmx.get_frame(&mut sm);
+ if let Err(e) = pktres {
+ if (e as i32) == (DemuxerError::EOF as i32) { break; }
+ panic!("error");
+ }
+ let pkt = pktres.unwrap();
+ println!("Got {}", pkt);
+ }
+ }
+ #[test]
+ fn test_cnm_noaud_demux() {
+ let mut file = File::open("assets/Game/tr_as_ro_d.cnm").unwrap();
+ let mut fr = FileReader::new_read(&mut file);
+ let mut br = ByteReader::new(&mut fr);
+ let mut dmx = ArxelCinemaDemuxer::new(&mut br);
+ let mut sm = StreamManager::new();
+ let mut si = SeekIndex::new();
+ dmx.open(&mut sm, &mut si).unwrap();
+ loop {
+ let pktres = dmx.get_frame(&mut sm);
+ if let Err(e) = pktres {
+ if (e as i32) == (DemuxerError::EOF as i32) { break; }
+ panic!("error");
+ }
+ let pkt = pktres.unwrap();
+ println!("Got {}", pkt);
+ }
+ }
+}
projects / nihav.git / blobdiff