--- /dev/null
+use nihav_core::frame::*;
+use nihav_core::demuxers::*;
+
+#[allow(dead_code)]
+struct QDemuxer<'a> {
+ src: &'a mut ByteReader<'a>,
+ vpts: u64,
+ apts: u64,
+ bps: usize,
+ a_id: Option<usize>,
+ v_id: Option<usize>,
+ nframes: usize,
+ duration: u64,
+ side_data: Vec<u8>,
+}
+
+impl<'a> DemuxCore<'a> for QDemuxer<'a> {
+ #[allow(unused_variables)]
+ fn open(&mut self, strmgr: &mut StreamManager, _seek_index: &mut SeekIndex) -> DemuxerResult<()> {
+ let src = &mut self.src;
+
+ let mut hdr = [0; 22];
+ src.read_buf(&mut hdr)?;
+ validate!(hdr[0] == 0x39);
+ validate!(hdr[1] == 0x68);
+ let version = hdr[2];
+ validate!(version >= 3 && version <= 5);
+ let mut width = read_u16le(&hdr[4..])? as usize;
+ let mut height = read_u16le(&hdr[6..])? as usize;
+ if version > 3 {
+ width *= hdr[8] as usize;
+ height *= hdr[9] as usize;
+ }
+ validate!(width > 0 && width <= 800);
+ validate!(height > 0 && height <= 600);
+
+ self.nframes = read_u16le(&hdr[10..])? as usize;
+ validate!(self.nframes > 0);
+ let fps = if hdr[16] == 0 { 5 } else { hdr[16] as u32 };
+ self.duration = (self.nframes as u64) * 1000 / u64::from(fps);
+ let asize = if version > 3 {
+ src.read_u32le()?
+ } else { 0 };
+
+ let vhdr = NAVideoInfo::new(width, height, false, PAL8_FORMAT);
+ let vci = NACodecTypeInfo::Video(vhdr);
+ let vinfo = NACodecInfo::new("legend-q-video", vci, Some(hdr.to_vec()));
+ self.v_id = strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 1, fps, self.nframes as u64));
+ if asize != 0 {
+ let ntype = self.src.peek_byte()?;
+ if ntype == 8 {
+ let _ = self.src.read_u16le()?;
+ let size = self.src.read_u32le()? as usize;
+ validate!(size >= 44);
+ let mut buf = vec![0; size];
+ self.src.read_buf(&mut buf)?;
+ let arate = read_u32le(&buf[24..])?;
+ let channels = buf[22];
+ let abits = buf[34] as usize;
+ validate!(abits == 8 || abits == 16);
+ self.bps = (channels as usize) * abits / 8;
+ let bsize = read_u16le(&buf[32..])? as usize;
+ let ahdr = NAAudioInfo::new(arate, channels as u8, if abits == 16 { SND_S16_FORMAT } else { SND_U8_FORMAT }, bsize);
+ let ainfo = NACodecInfo::new("pcm", NACodecTypeInfo::Audio(ahdr), None);
+ self.a_id = strmgr.add_stream(NAStream::new(StreamType::Audio, 1, ainfo, 1, arate, 2));
+ }
+ }
+ self.apts = 0;
+ self.vpts = 0;
+ self.side_data.truncate(0);
+ Ok(())
+ }
+
+ fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
+ loop {
+ let ctype = self.src.read_u16le()?;
+ let size = self.src.read_u32le()? as usize;
+ match ctype {
+ 0xFFFF => return Err(DemuxerError::EOF),
+ 0 => {
+ if let Some(a_id) = self.a_id {
+ let str = strmgr.get_stream(a_id).unwrap();
+ let (tb_num, tb_den) = str.get_timebase();
+ let ts = NATimeInfo::new(Some(self.apts), None, None, tb_num, tb_den);
+ self.apts += (size / self.bps) as u64;
+ return self.src.read_packet(str, ts, true, size);
+ } else {
+ return Err(DemuxerError::InvalidData);
+ }
+ },
+ 1 => {
+ validate!(size <= 768);
+ let cur_len = self.side_data.len();
+ self.side_data.resize(cur_len + size + 6, 0);
+ self.side_data[cur_len] = ctype as u8;
+ write_u32le(&mut self.side_data[cur_len + 2..], size as u32)?;
+ self.src.read_buf(&mut self.side_data[cur_len + 6..])?;
+ },
+ 2 | 3 | 4 | 11 => {
+ validate!(self.v_id.is_some());
+ let str = strmgr.get_stream(self.v_id.unwrap_or(0)).unwrap();
+ let (tb_num, tb_den) = str.get_timebase();
+ let ts = NATimeInfo::new(Some(self.vpts), None, None, tb_num, tb_den);
+ self.vpts += 1;
+
+ let cur_len = self.side_data.len();
+ self.side_data.resize(cur_len + size + 6, 0);
+ self.side_data[cur_len] = ctype as u8;
+ self.side_data[cur_len] = ctype as u8;
+ write_u32le(&mut self.side_data[cur_len + 2..], size as u32)?;
+ if let Err(err) = self.src.read_buf(&mut self.side_data[cur_len + 6..]) {
+ self.side_data.truncate(cur_len);
+ return Err(err.into());
+ }
+ let mut buf = Vec::new();
+ std::mem::swap(&mut buf, &mut self.side_data);
+ return Ok(NAPacket::new(str, ts, self.vpts == 1, buf));
+ },
+ 5 => {
+ validate!(size <= 256);
+ let cur_len = self.side_data.len();
+ self.side_data.resize(cur_len + size + 6, 0);
+ self.side_data[cur_len] = ctype as u8;
+ write_u32le(&mut self.side_data[cur_len + 2..], size as u32)?;
+ self.src.read_buf(&mut self.side_data[cur_len + 6..])?;
+ },
+ 6 | 7 => {
+ self.side_data.push(ctype as u8);
+ self.side_data.push(0);
+ self.side_data.push(0);
+ self.side_data.push(0);
+ self.side_data.push(0);
+ self.side_data.push(0);
+ },
+ 8 => return Err(DemuxerError::InvalidData), //should be handled before main loop
+ 9 => { // first part of interlaced frame
+ let cur_len = self.side_data.len();
+ self.side_data.resize(cur_len + size + 6, 0);
+ self.side_data[cur_len] = ctype as u8;
+ write_u32le(&mut self.side_data[cur_len + 2..], size as u32)?;
+ self.src.read_buf(&mut self.side_data[cur_len + 6..])?;
+ },
+ _ => {
+ self.src.read_skip(size)?;
+ },
+ };
+ }
+ }
+
+ fn seek(&mut self, _time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> {
+ Err(DemuxerError::NotPossible)
+ }
+ fn get_duration(&self) -> u64 { self.duration }
+}
+impl<'a> NAOptionHandler for QDemuxer<'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> QDemuxer<'a> {
+ fn new(io: &'a mut ByteReader<'a>) -> Self {
+ QDemuxer {
+ src: io,
+ vpts: 0,
+ apts: 0,
+ bps: 0,
+ a_id: None,
+ v_id: None,
+ nframes: 0,
+ duration: 0,
+ side_data: Vec::with_capacity(256 + 6),
+ }
+ }
+}
+
+pub struct QDemuxerCreator { }
+
+impl DemuxerCreator for QDemuxerCreator {
+ fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
+ Box::new(QDemuxer::new(br))
+ }
+ fn get_name(&self) -> &'static str { "legend-q" }
+}
+
+#[cfg(test)]
+mod test {
+ use super::*;
+ use std::fs::File;
+
+ #[test]
+ fn test_q_demux_v3() {
+ let mut file = File::open("assets/Game/dgate101.q").unwrap();
+ let mut fr = FileReader::new_read(&mut file);
+ let mut br = ByteReader::new(&mut fr);
+ let mut dmx = QDemuxer::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_q_demux_v4() {
+ let mut file = File::open("assets/Game/1425A5.Q").unwrap();
+ let mut fr = FileReader::new_read(&mut file);
+ let mut br = ByteReader::new(&mut fr);
+ let mut dmx = QDemuxer::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_q_demux_v5() {
+ let mut file = File::open("assets/Game/mc703.q").unwrap();
+ let mut fr = FileReader::new_read(&mut file);
+ let mut br = ByteReader::new(&mut fr);
+ let mut dmx = QDemuxer::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