1 use nihav_core::frame::*;
2 use nihav_core::demuxers::*;
5 struct HighlanderFMVDemuxer<'a> {
6 src: &'a mut ByteReader<'a>,
11 impl<'a> DemuxCore<'a> for HighlanderFMVDemuxer<'a> {
12 #[allow(unused_variables)]
13 fn open(&mut self, strmgr: &mut StreamManager, _seek_index: &mut SeekIndex) -> DemuxerResult<()> {
14 let src = &mut self.src;
16 let tag = src.read_tag()?;
17 validate!(&tag == b"FMV*");
18 let size = src.read_u32le()?;
21 let vhdr = NAVideoInfo::new(320, 240, false, PAL8_FORMAT);
22 let vci = NACodecTypeInfo::Video(vhdr);
23 let vinfo = NACodecInfo::new("hl-fmv-video", vci, None);
24 if strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 2, 25, 0)).is_none() {
25 return Err(DemuxerError::MemoryError);
27 let ahdr = NAAudioInfo::new(22050, 1, SND_U8_FORMAT, 1);
28 let ainfo = NACodecInfo::new("pcm", NACodecTypeInfo::Audio(ahdr), None);
29 if strmgr.add_stream(NAStream::new(StreamType::Audio, 1, ainfo, 1, 22050, 0)).is_none() {
30 return Err(DemuxerError::MemoryError);
38 fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
39 let tag = self.src.read_tag()?;
40 let size = self.src.read_u32le()? as usize;
43 let stream = strmgr.get_stream_by_id(1).unwrap();
44 let (tb_num, tb_den) = stream.get_timebase();
45 let ts = NATimeInfo::new(Some(self.apts), None, None, tb_num, tb_den);
46 self.apts += size as u64;
47 self.src.read_packet(stream, ts, true, size)
50 let stream = strmgr.get_stream_by_id(0).unwrap();
51 let (tb_num, tb_den) = stream.get_timebase();
52 let ts = NATimeInfo::new(Some(self.vpts), None, None, tb_num, tb_den);
54 self.src.read_packet(stream, ts, true, size)
56 b"END*" => Err(DemuxerError::EOF),
57 _ => Err(DemuxerError::InvalidData),
61 fn seek(&mut self, _time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> {
62 Err(DemuxerError::NotPossible)
64 fn get_duration(&self) -> u64 { 0 }
66 impl<'a> NAOptionHandler for HighlanderFMVDemuxer<'a> {
67 fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
68 fn set_options(&mut self, _options: &[NAOption]) { }
69 fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
71 impl<'a> HighlanderFMVDemuxer<'a> {
72 fn new(io: &'a mut ByteReader<'a>) -> Self {
73 HighlanderFMVDemuxer {
81 pub struct HighlanderFMVDemuxerCreator { }
83 impl DemuxerCreator for HighlanderFMVDemuxerCreator {
84 fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
85 Box::new(HighlanderFMVDemuxer::new(br))
87 fn get_name(&self) -> &'static str { "hl-fmv" }
95 // sample extracted from Highlander: The Last of the MacLeods unpublished game
97 fn test_highlander_fmv_demux() {
98 let mut file = File::open("assets/Game/0010.fmv").unwrap();
99 let mut fr = FileReader::new_read(&mut file);
100 let mut br = ByteReader::new(&mut fr);
101 let mut dmx = HighlanderFMVDemuxer::new(&mut br);
102 let mut sm = StreamManager::new();
103 let mut si = SeekIndex::new();
104 dmx.open(&mut sm, &mut si).unwrap();
106 let pktres = dmx.get_frame(&mut sm);
107 if let Err(e) = pktres {
108 if (e as i32) == (DemuxerError::EOF as i32) { break; }
111 let pkt = pktres.unwrap();
112 println!("Got {}", pkt);