diff options
Diffstat (limited to 'nihav-game/src/demuxers')
| -rw-r--r-- | nihav-game/src/demuxers/imax.rs | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/nihav-game/src/demuxers/imax.rs b/nihav-game/src/demuxers/imax.rs deleted file mode 100644 index 999ea1a..0000000 --- a/nihav-game/src/demuxers/imax.rs +++ /dev/null @@ -1,143 +0,0 @@ -use nihav_core::frame::*; -use nihav_core::demuxers::*; -use std::sync::Arc; - -#[allow(dead_code)] -struct IMAXDemuxer<'a> { - src: &'a mut ByteReader<'a>, - cur_frame: u64, - apos: u64, - a_id: usize, - v_id: usize, - pal: Arc<[u8; 1024]>, - pal_change: bool, -} - -impl<'a> DemuxCore<'a> for IMAXDemuxer<'a> { - #[allow(unused_variables)] - fn open(&mut self, strmgr: &mut StreamManager, _seek_index: &mut SeekIndex) -> DemuxerResult<()> { - let src = &mut self.src; - - let magic = src.read_tag()?; - validate!(&magic == b"IMAX"); - let nframes = u64::from(src.read_u32le()?); - let fps = u32::from(src.read_u16le()?); - let magic2 = src.read_u16le()?; - validate!(magic2 == 0x102); - let _zero = src.read_u16le()?; - let _max_vframe_size = src.read_u32le()?; - let _buffering_size = src.read_u32le()?; - - let vhdr = NAVideoInfo::new(320, 160, false, PAL8_FORMAT); - let vci = NACodecTypeInfo::Video(vhdr); - let vinfo = NACodecInfo::new("fable-imax", vci, None); - self.v_id = strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 1, fps, nframes)).unwrap(); - let ahdr = NAAudioInfo::new(22050, 1, SND_U8_FORMAT, 2); - let ainfo = NACodecInfo::new("pcm", NACodecTypeInfo::Audio(ahdr), None); - self.a_id = strmgr.add_stream(NAStream::new(StreamType::Audio, 1, ainfo, 1, 22050, 2)).unwrap(); - self.cur_frame = 0; - self.apos = 0; - Ok(()) - } - - #[allow(unused_variables)] - fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { - loop { - let fsize = self.src.read_u32le()? as usize; - let ftype = self.src.read_u32le()?; - - match ftype { - 0xAA97 => { - let stream = strmgr.get_stream(self.v_id).unwrap(); - let ts = stream.make_ts(Some(self.cur_frame), None, None); - self.cur_frame += 1; - let mut pkt = self.src.read_packet(stream, ts, true, fsize)?; - pkt.add_side_data(NASideData::Palette(self.pal_change, self.pal.clone())); - self.pal_change = false; - return Ok(pkt); - }, - 0xAA98 => { - validate!(fsize == 768); - let mut pal = [0u8; 1024]; - for chunk in pal.chunks_mut(4) { - let r = self.src.read_byte()?; - let g = self.src.read_byte()?; - let b = self.src.read_byte()?; - chunk[0] = (r << 2) | (r >> 4); - chunk[1] = (g << 2) | (g >> 4); - chunk[2] = (b << 2) | (b >> 4); - } - self.pal = Arc::new(pal); - self.pal_change = true; - }, - 0xAA99 => { - let stream = strmgr.get_stream(self.a_id).unwrap(); - let ts = stream.make_ts(Some(self.apos), None, None); - self.apos += fsize as u64; - return self.src.read_packet(stream, ts, true, fsize); - }, - 0xAAFF => return Err(DemuxerError::EOF), - _ => return 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 IMAXDemuxer<'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> IMAXDemuxer<'a> { - fn new(io: &'a mut ByteReader<'a>) -> Self { - IMAXDemuxer { - src: io, - cur_frame: 0, - apos: 0, - a_id: 0, - v_id: 0, - pal: Arc::new([0; 1024]), - pal_change: false, - } - } -} - -pub struct IMAXDemuxerCreator { } - -impl DemuxerCreator for IMAXDemuxerCreator { - fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> { - Box::new(IMAXDemuxer::new(br)) - } - fn get_name(&self) -> &'static str { "fable-imax" } -} - -#[cfg(test)] -mod test { - use super::*; - use std::fs::File; - - #[test] - fn test_imax_demux() { - // sample from Fable game - let mut file = File::open("assets/Game/present.imx").unwrap(); - let mut fr = FileReader::new_read(&mut file); - let mut br = ByteReader::new(&mut fr); - let mut dmx = IMAXDemuxer::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); - } - } -} |
