| 1 | use nihav_core::frame::*; |
| 2 | use nihav_core::demuxers::*; |
| 3 | |
| 4 | #[allow(dead_code)] |
| 5 | struct HighlanderFMVDemuxer<'a> { |
| 6 | src: &'a mut ByteReader<'a>, |
| 7 | vpts: u64, |
| 8 | apts: u64, |
| 9 | } |
| 10 | |
| 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; |
| 15 | |
| 16 | let tag = src.read_tag()?; |
| 17 | validate!(&tag == b"FMV*"); |
| 18 | let size = src.read_u32le()?; |
| 19 | validate!(size == 0); |
| 20 | |
| 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); |
| 26 | } |
| 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); |
| 31 | } |
| 32 | |
| 33 | self.apts = 0; |
| 34 | self.vpts = 0; |
| 35 | Ok(()) |
| 36 | } |
| 37 | |
| 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; |
| 41 | match &tag { |
| 42 | b"AUD1" => { |
| 43 | let stream = strmgr.get_stream_by_id(1).unwrap(); |
| 44 | let ts = stream.make_ts(Some(self.apts), None, None); |
| 45 | self.apts += size as u64; |
| 46 | self.src.read_packet(stream, ts, true, size) |
| 47 | }, |
| 48 | b"VID3" => { |
| 49 | let stream = strmgr.get_stream_by_id(0).unwrap(); |
| 50 | let ts = stream.make_ts(Some(self.vpts), None, None); |
| 51 | self.vpts += 1; |
| 52 | self.src.read_packet(stream, ts, true, size) |
| 53 | }, |
| 54 | b"END*" => Err(DemuxerError::EOF), |
| 55 | _ => Err(DemuxerError::InvalidData), |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | fn seek(&mut self, _time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> { |
| 60 | Err(DemuxerError::NotPossible) |
| 61 | } |
| 62 | fn get_duration(&self) -> u64 { 0 } |
| 63 | } |
| 64 | impl<'a> NAOptionHandler for HighlanderFMVDemuxer<'a> { |
| 65 | fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] } |
| 66 | fn set_options(&mut self, _options: &[NAOption]) { } |
| 67 | fn query_option_value(&self, _name: &str) -> Option<NAValue> { None } |
| 68 | } |
| 69 | impl<'a> HighlanderFMVDemuxer<'a> { |
| 70 | fn new(io: &'a mut ByteReader<'a>) -> Self { |
| 71 | HighlanderFMVDemuxer { |
| 72 | src: io, |
| 73 | vpts: 0, |
| 74 | apts: 0, |
| 75 | } |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | pub struct HighlanderFMVDemuxerCreator { } |
| 80 | |
| 81 | impl DemuxerCreator for HighlanderFMVDemuxerCreator { |
| 82 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> { |
| 83 | Box::new(HighlanderFMVDemuxer::new(br)) |
| 84 | } |
| 85 | fn get_name(&self) -> &'static str { "hl-fmv" } |
| 86 | } |
| 87 | |
| 88 | #[cfg(test)] |
| 89 | mod test { |
| 90 | use super::*; |
| 91 | use std::fs::File; |
| 92 | |
| 93 | // sample extracted from Highlander: The Last of the MacLeods unpublished game |
| 94 | #[test] |
| 95 | fn test_highlander_fmv_demux() { |
| 96 | let mut file = File::open("assets/Game/0010.fmv").unwrap(); |
| 97 | let mut fr = FileReader::new_read(&mut file); |
| 98 | let mut br = ByteReader::new(&mut fr); |
| 99 | let mut dmx = HighlanderFMVDemuxer::new(&mut br); |
| 100 | let mut sm = StreamManager::new(); |
| 101 | let mut si = SeekIndex::new(); |
| 102 | dmx.open(&mut sm, &mut si).unwrap(); |
| 103 | loop { |
| 104 | let pktres = dmx.get_frame(&mut sm); |
| 105 | if let Err(e) = pktres { |
| 106 | if (e as i32) == (DemuxerError::EOF as i32) { break; } |
| 107 | panic!("error"); |
| 108 | } |
| 109 | let pkt = pktres.unwrap(); |
| 110 | println!("Got {}", pkt); |
| 111 | } |
| 112 | } |
| 113 | } |