add Highlander FMV support

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

diff --git a/nihav-game/src/demuxers/hl_fmv.rs b/nihav-game/src/demuxers/hl_fmv.rs
new file mode 100644 (file)
index 0000000..b511bb9
--- /dev/null
+++ b/nihav-game/src/demuxers/hl_fmv.rs
@@ -0,0 +1,115 @@
+use nihav_core::frame::*;
+use nihav_core::demuxers::*;
+
+#[allow(dead_code)]
+struct HighlanderFMVDemuxer<'a> {
+    src:        &'a mut ByteReader<'a>,
+    vpts:       u64,
+    apts:       u64,
+}
+
+impl<'a> DemuxCore<'a> for HighlanderFMVDemuxer<'a> {
+    #[allow(unused_variables)]
+    fn open(&mut self, strmgr: &mut StreamManager, _seek_index: &mut SeekIndex) -> DemuxerResult<()> {
+        let src = &mut self.src;
+
+        let tag                         = src.read_tag()?;
+        validate!(&tag == b"FMV*");
+        let size                        = src.read_u32le()?;
+        validate!(size == 0);
+
+        let vhdr = NAVideoInfo::new(320, 240, false, PAL8_FORMAT);
+        let vci = NACodecTypeInfo::Video(vhdr);
+        let vinfo = NACodecInfo::new("hl-fmv-video", vci, None);
+        if strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 2, 25, 0)).is_none() {
+            return Err(DemuxerError::MemoryError);
+        }
+        let ahdr = NAAudioInfo::new(22050, 1, SND_U8_FORMAT, 1);
+        let ainfo = NACodecInfo::new("pcm", NACodecTypeInfo::Audio(ahdr), None);
+        if strmgr.add_stream(NAStream::new(StreamType::Audio, 1, ainfo, 1, 22050, 0)).is_none() {
+            return Err(DemuxerError::MemoryError);
+        }
+
+        self.apts = 0;
+        self.vpts = 0;
+        Ok(())
+    }
+
+    fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
+        let tag                         = self.src.read_tag()?;
+        let size                        = self.src.read_u32le()? as usize;
+        match &tag {
+            b"AUD1" => {
+                let stream = strmgr.get_stream_by_id(1).unwrap();
+                let (tb_num, tb_den) = stream.get_timebase();
+                let ts = NATimeInfo::new(Some(self.apts), None, None, tb_num, tb_den);
+                self.apts += size as u64;
+                self.src.read_packet(stream, ts, true, size)
+            },
+            b"VID3" => {
+                let stream = strmgr.get_stream_by_id(0).unwrap();
+                let (tb_num, tb_den) = stream.get_timebase();
+                let ts = NATimeInfo::new(Some(self.vpts), None, None, tb_num, tb_den);
+                self.vpts += 1;
+                self.src.read_packet(stream, ts, true, size)
+            },
+            b"END*" => Err(DemuxerError::EOF),
+            _ => Err(DemuxerError::InvalidData),
+        }
+    }
+
+    fn seek(&mut self, _time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> {
+        Err(DemuxerError::NotPossible)
+    }
+    fn get_duration(&self) -> u64 { 0 }
+}
+impl<'a> NAOptionHandler for HighlanderFMVDemuxer<'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> HighlanderFMVDemuxer<'a> {
+    fn new(io: &'a mut ByteReader<'a>) -> Self {
+        HighlanderFMVDemuxer {
+            src:        io,
+            vpts:       0,
+            apts:       0,
+        }
+    }
+}
+
+pub struct HighlanderFMVDemuxerCreator { }
+
+impl DemuxerCreator for HighlanderFMVDemuxerCreator {
+    fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
+        Box::new(HighlanderFMVDemuxer::new(br))
+    }
+    fn get_name(&self) -> &'static str { "hl-fmv" }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use std::fs::File;
+
+    // sample extracted from Highlander: The Last of the MacLeods unpublished game
+    #[test]
+    fn test_highlander_fmv_demux() {
+        let mut file = File::open("assets/Game/0010.fmv").unwrap();
+        let mut fr = FileReader::new_read(&mut file);
+        let mut br = ByteReader::new(&mut fr);
+        let mut dmx = HighlanderFMVDemuxer::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);
+        }
+    }
+}