support Legend Entertainment Q format version 7

[nihav.git] / nihav-game / src / demuxers / q.rs

diff --git a/nihav-game/src/demuxers/q.rs b/nihav-game/src/demuxers/q.rs
index 3f38ef77978e0fa9542e2b20b45a22c36da931e4..6c52ab893b74d7276302913170b5013fea65e43d 100644 (file)
--- a/nihav-game/src/demuxers/q.rs
+++ b/nihav-game/src/demuxers/q.rs
@@ -24,7 +24,7 @@ impl<'a> DemuxCore<'a> for QDemuxer<'a> {
         validate!(hdr[0] == 0x39);
         validate!(hdr[1] == 0x68);
         let version = hdr[2];
-        validate!(version >= 3 && version <= 5);
+        validate!(version >= 3 && version <= 7);
         let mut width  = read_u16le(&hdr[4..])? as usize;
         let mut height = read_u16le(&hdr[6..])? as usize;
         if version > 3 {
@@ -55,19 +55,21 @@ impl<'a> DemuxCore<'a> for QDemuxer<'a> {
                 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));
+                if arate > 0 {
+                    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);
+        self.side_data.clear();
         Ok(())
     }
 
@@ -85,7 +87,7 @@ impl<'a> DemuxCore<'a> for QDemuxer<'a> {
                         self.apts += (size / self.bps) as u64;
                         return self.src.read_packet(str, ts, true, size);
                     } else {
-                        return Err(DemuxerError::InvalidData);
+                                          self.src.read_skip(size)?;
                     }
                 },
                 1 => {
@@ -187,6 +189,7 @@ mod test {
     use super::*;
     use std::fs::File;
 
+    // samples from Death Gate, Mission Critical and Shannara games
     #[test]
     fn test_q_demux_v3() {
         let mut file = File::open("assets/Game/dgate101.q").unwrap();