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

use nihav_core::frame::*;
use nihav_core::demuxers::*;

struct BMVDemuxer<'a> {
    src:        &'a mut ByteReader<'a>,
    vid_id:     usize,
    aud_id:     usize,
    vpos:       u64,
    apos:       u64,
    pkt_buf:    Vec<NAPacket>,
}

impl<'a> DemuxCore<'a> for BMVDemuxer<'a> {
    #[allow(unused_variables)]
    fn open(&mut self, strmgr: &mut StreamManager, _seek_index: &mut SeekIndex) -> DemuxerResult<()> {
        let src = &mut self.src;

        let vhdr = NAVideoInfo::new(640, 429, false, PAL8_FORMAT);
        let vci = NACodecTypeInfo::Video(vhdr);
        let vinfo = NACodecInfo::new("bmv-video", vci, None);
        self.vid_id = strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 1, 12, 0)).unwrap();

        let ahdr = NAAudioInfo::new(22050, 2, SND_S16_FORMAT, 1);
        let ainfo = NACodecInfo::new("bmv-audio", NACodecTypeInfo::Audio(ahdr), None);
        self.aud_id = strmgr.add_stream(NAStream::new(StreamType::Audio, 1, ainfo, 1, 22050, 0)).unwrap();

        self.vpos       = 0;
        self.apos       = 0;
        Ok(())
    }

    fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
        if !self.pkt_buf.is_empty() {
            return Ok(self.pkt_buf.pop().unwrap());
        }

        loop {
            let ctype                   = self.src.read_byte()?;
            if ctype == 0 { // NOP chunk
                continue;
            }
            if ctype == 1 { return Err(DemuxerError::EOF); }
            let size                    = self.src.read_u24le()? as usize;
            validate!(size > 0);
            let asize;
            if (ctype & 0x20) != 0 {
                let nblocks             = self.src.peek_byte()?;
                asize = (nblocks as usize) * 65 + 1;
                validate!(asize < size);
                let str = strmgr.get_stream(self.aud_id).unwrap();
                let (tb_num, tb_den) = str.get_timebase();
                let ts = NATimeInfo::new(Some(self.apos), None, None, tb_num, tb_den);
                let apkt = self.src.read_packet(str, ts, false, asize)?;
                self.apos += u64::from(nblocks) * 32;
                self.pkt_buf.push(apkt);
            } else {
                asize = 0;
            }
            let mut buf: Vec<u8> = vec![0; size - asize + 1];
            buf[0] = ctype;
            self.src.read_buf(&mut buf[1..])?;

            let str = strmgr.get_stream(self.vid_id).unwrap();
            let (tb_num, tb_den) = str.get_timebase();
            let ts = NATimeInfo::new(Some(self.vpos), None, None, tb_num, tb_den);
            let pkt = NAPacket::new(str, ts, (ctype & 3) == 3, buf);

            self.vpos += 1;
            return Ok(pkt);
        }
    }

    fn seek(&mut self, _time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> {
        Err(DemuxerError::NotPossible)
    }
    fn get_duration(&self) -> u64 { 0 }
}

impl<'a> NAOptionHandler for BMVDemuxer<'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> BMVDemuxer<'a> {
    fn new(io: &'a mut ByteReader<'a>) -> Self {
        Self {
            src:        io,
            vid_id:     0,
            aud_id:     0,
            vpos:       0,
            apos:       0,
            pkt_buf:    Vec::with_capacity(1),
        }
    }
}

pub struct BMVDemuxerCreator { }

impl DemuxerCreator for BMVDemuxerCreator {
    fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
        Box::new(BMVDemuxer::new(br))
    }
    fn get_name(&self) -> &'static str { "bmv" }
}

struct BMV3Demuxer<'a> {
    src:        &'a mut ByteReader<'a>,
    vid_id:     usize,
    aud_id:     usize,
    vpos:       u64,
    apos:       u64,
    asize:      usize,
    ablob:      usize,
    pkt_buf:    Vec<NAPacket>,
}

impl<'a> DemuxCore<'a> for BMV3Demuxer<'a> {
    #[allow(unused_variables)]
    #[allow(clippy::cast_lossless)]
    fn open(&mut self, strmgr: &mut StreamManager, _seek_index: &mut SeekIndex) -> DemuxerResult<()> {
        let src = &mut self.src;

        let mut magic = [0u8; 4];
                                            src.read_buf(&mut magic)?;
        validate!(&magic[0..] == b"BMVi");
        let size                            = src.read_u32le()?;
        validate!(size == 24);
        let _slot_size                      = src.read_u32le()? as usize;
        let nframes                         = src.read_u32le()? as usize;
        let _prefetch_slots                 = src.read_u16le()?;
        let _cache_size                     = src.read_u16le()?;
        let fps                             = src.read_u16le()? as u32;
        let audio_size                      = src.read_u16le()? as usize;
        let audio_blob_size                 = src.read_u16le()? as usize;
        let _audio_id                       = src.read_byte()?;
        let _video_id                       = src.read_byte()?;
        let width                           = src.read_u16le()? as usize;
        let height                          = src.read_u16le()? as usize;
        validate!(nframes > 0);
        validate!((width > 0) && (width <= 640));
        validate!((height > 0) && (height <= 432));
        validate!((audio_size > audio_blob_size) && (audio_blob_size > 0) && (audio_size % audio_blob_size == 0));
        let mut dta = [0u8; 4];
                                            src.read_buf(&mut dta)?;
        validate!(&dta[0..] == b"DATA");
        let data_size                       = src.read_u32le()? as usize;
        validate!(data_size > 0);
        self.asize = audio_size;
        self.ablob = audio_blob_size;

        let vhdr = NAVideoInfo::new(width, height, false, RGB565_FORMAT);
        let vci = NACodecTypeInfo::Video(vhdr);
        let vinfo = NACodecInfo::new("bmv3-video", vci, None);
        self.vid_id = strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 256, fps, nframes as u64)).unwrap();

        let ahdr = NAAudioInfo::new(22050, 2, SND_S16_FORMAT, audio_blob_size);
        let ainfo = NACodecInfo::new("bmv3-audio", NACodecTypeInfo::Audio(ahdr), None);
        self.aud_id = strmgr.add_stream(NAStream::new(StreamType::Audio, 1, ainfo, 1, 22050, 0)).unwrap();

        self.vpos       = 0;
        self.apos       = 0;
        Ok(())
    }

    fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
        if !self.pkt_buf.is_empty() {
            return Ok(self.pkt_buf.pop().unwrap());
        }

        loop {
            let ctype                       = self.src.read_byte()?;
            if ctype == 0 { // NOP chunk
                continue;
            }
            if ctype == 1 { return Err(DemuxerError::EOF); }
            let size                    = self.src.read_u24le()? as usize;
            if size == 0 { continue; }
            let asize;
            if (ctype & 0x20) != 0 {
                if (ctype & 0x40) != 0 {
                    asize = self.asize - self.ablob;
                } else {
                    asize = self.asize;
                }
                validate!(asize <= size);
                let mut buf: Vec<u8> = vec![0; asize + 1];
                buf[0] = (self.src.tell() & 1) as u8;
                self.src.read_buf(&mut buf[1..])?;

                let str = strmgr.get_stream(self.aud_id).unwrap();
                let (tb_num, tb_den) = str.get_timebase();
                let ts = NATimeInfo::new(Some(self.apos), None, None, tb_num, tb_den);
                let apkt = NAPacket::new(str, ts, false, buf);

                self.apos += (asize as u64) / 41 * 32;
                self.pkt_buf.push(apkt);
            } else {
                asize = 0;
            }
            if size == asize {
                if !self.pkt_buf.is_empty() {
                    return Ok(self.pkt_buf.pop().unwrap());
                } else {
                    continue;
                }
            }
            let mut buf: Vec<u8> = vec![0; size - asize + 1];
            buf[0] = ctype;
            self.src.read_buf(&mut buf[1..])?;

            let str = strmgr.get_stream(self.vid_id).unwrap();
            let (tb_num, tb_den) = str.get_timebase();
            let ts = NATimeInfo::new(Some(self.vpos), None, None, tb_num, tb_den);
            let pkt = NAPacket::new(str, ts, (ctype & 3) == 3, buf);

            self.vpos += 1;
            return Ok(pkt);
        }
    }

    fn seek(&mut self, _time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> {
        Err(DemuxerError::NotPossible)
    }
    fn get_duration(&self) -> u64 { 0 }
}

impl<'a> NAOptionHandler for BMV3Demuxer<'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> BMV3Demuxer<'a> {
    fn new(io: &'a mut ByteReader<'a>) -> Self {
        Self {
            src:        io,
            vid_id:     0,
            aud_id:     0,
            vpos:       0,
            apos:       0,
            asize:      0,
            ablob:      0,
            pkt_buf:    Vec::with_capacity(1),
        }
    }
}

pub struct BMV3DemuxerCreator { }

impl DemuxerCreator for BMV3DemuxerCreator {
    fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
        Box::new(BMV3Demuxer::new(br))
    }
    fn get_name(&self) -> &'static str { "bmv3" }
}

#[cfg(test)]
mod test {
    use super::*;
    use std::fs::File;

    // samples from https://samples.mplayerhq.hu/game-formats/bmv
    #[test]
    fn test_bmv_demux() {
        let mut file = File::open("assets/Game/DW2-MOUSE.BMV").unwrap();
        let mut fr = FileReader::new_read(&mut file);
        let mut br = ByteReader::new(&mut fr);
        let mut dmx = BMVDemuxer::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);
        }
    }
    #[test]
    fn test_bmv3_demux() {
        let mut file = File::open("assets/Game/DW3-Loffnote.bmv").unwrap();
        let mut fr = FileReader::new_read(&mut file);
        let mut br = ByteReader::new(&mut fr);
        let mut dmx = BMV3Demuxer::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);
        }
    }
}
Commit	Line	Data
	1	use nihav_core::frame::*;
	2	use nihav_core::demuxers::*;
	3
	4	struct BMVDemuxer<'a> {
	5	src: &'a mut ByteReader<'a>,
	6	vid_id: usize,
	7	aud_id: usize,
	8	vpos: u64,
	9	apos: u64,
	10	pkt_buf: Vec<NAPacket>,
	11	}
	12
	13	impl<'a> DemuxCore<'a> for BMVDemuxer<'a> {
	14	#[allow(unused_variables)]
	15	fn open(&mut self, strmgr: &mut StreamManager, _seek_index: &mut SeekIndex) -> DemuxerResult<()> {
	16	let src = &mut self.src;
	17
	18	let vhdr = NAVideoInfo::new(640, 429, false, PAL8_FORMAT);
	19	let vci = NACodecTypeInfo::Video(vhdr);
	20	let vinfo = NACodecInfo::new("bmv-video", vci, None);
	21	self.vid_id = strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 1, 12, 0)).unwrap();
	22
	23	let ahdr = NAAudioInfo::new(22050, 2, SND_S16_FORMAT, 1);
	24	let ainfo = NACodecInfo::new("bmv-audio", NACodecTypeInfo::Audio(ahdr), None);
	25	self.aud_id = strmgr.add_stream(NAStream::new(StreamType::Audio, 1, ainfo, 1, 22050, 0)).unwrap();
	26
	27	self.vpos = 0;
	28	self.apos = 0;
	29	Ok(())
	30	}
	31
	32	fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
	33	if !self.pkt_buf.is_empty() {
	34	return Ok(self.pkt_buf.pop().unwrap());
	35	}
	36
	37	loop {
	38	let ctype = self.src.read_byte()?;
	39	if ctype == 0 { // NOP chunk
	40	continue;
	41	}
	42	if ctype == 1 { return Err(DemuxerError::EOF); }
	43	let size = self.src.read_u24le()? as usize;
	44	validate!(size > 0);
	45	let asize;
	46	if (ctype & 0x20) != 0 {
	47	let nblocks = self.src.peek_byte()?;
	48	asize = (nblocks as usize) * 65 + 1;
	49	validate!(asize < size);
	50	let str = strmgr.get_stream(self.aud_id).unwrap();
	51	let (tb_num, tb_den) = str.get_timebase();
	52	let ts = NATimeInfo::new(Some(self.apos), None, None, tb_num, tb_den);
	53	let apkt = self.src.read_packet(str, ts, false, asize)?;
	54	self.apos += u64::from(nblocks) * 32;
	55	self.pkt_buf.push(apkt);
	56	} else {
	57	asize = 0;
	58	}
	59	let mut buf: Vec<u8> = vec![0; size - asize + 1];
	60	buf[0] = ctype;
	61	self.src.read_buf(&mut buf[1..])?;
	62
	63	let str = strmgr.get_stream(self.vid_id).unwrap();
	64	let (tb_num, tb_den) = str.get_timebase();
	65	let ts = NATimeInfo::new(Some(self.vpos), None, None, tb_num, tb_den);
	66	let pkt = NAPacket::new(str, ts, (ctype & 3) == 3, buf);
	67
	68	self.vpos += 1;
	69	return Ok(pkt);
	70	}
	71	}
	72
	73	fn seek(&mut self, _time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> {
	74	Err(DemuxerError::NotPossible)
	75	}
	76	fn get_duration(&self) -> u64 { 0 }
	77	}
	78
	79	impl<'a> NAOptionHandler for BMVDemuxer<'a> {
	80	fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
	81	fn set_options(&mut self, _options: &[NAOption]) { }
	82	fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
	83	}
	84
	85	impl<'a> BMVDemuxer<'a> {
	86	fn new(io: &'a mut ByteReader<'a>) -> Self {
	87	Self {
	88	src: io,
	89	vid_id: 0,
	90	aud_id: 0,
	91	vpos: 0,
	92	apos: 0,
	93	pkt_buf: Vec::with_capacity(1),
	94	}
	95	}
	96	}
	97
	98	pub struct BMVDemuxerCreator { }
	99
	100	impl DemuxerCreator for BMVDemuxerCreator {
	101	fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
	102	Box::new(BMVDemuxer::new(br))
	103	}
	104	fn get_name(&self) -> &'static str { "bmv" }
	105	}
	106
	107	struct BMV3Demuxer<'a> {
	108	src: &'a mut ByteReader<'a>,
	109	vid_id: usize,
	110	aud_id: usize,
	111	vpos: u64,
	112	apos: u64,
	113	asize: usize,
	114	ablob: usize,
	115	pkt_buf: Vec<NAPacket>,
	116	}
	117
	118	impl<'a> DemuxCore<'a> for BMV3Demuxer<'a> {
	119	#[allow(unused_variables)]
	120	#[allow(clippy::cast_lossless)]
	121	fn open(&mut self, strmgr: &mut StreamManager, _seek_index: &mut SeekIndex) -> DemuxerResult<()> {
	122	let src = &mut self.src;
	123
	124	let mut magic = [0u8; 4];
	125	src.read_buf(&mut magic)?;
	126	validate!(&magic[0..] == b"BMVi");
	127	let size = src.read_u32le()?;
	128	validate!(size == 24);
	129	let _slot_size = src.read_u32le()? as usize;
	130	let nframes = src.read_u32le()? as usize;
	131	let _prefetch_slots = src.read_u16le()?;
	132	let _cache_size = src.read_u16le()?;
	133	let fps = src.read_u16le()? as u32;
	134	let audio_size = src.read_u16le()? as usize;
	135	let audio_blob_size = src.read_u16le()? as usize;
	136	let _audio_id = src.read_byte()?;
	137	let _video_id = src.read_byte()?;
	138	let width = src.read_u16le()? as usize;
	139	let height = src.read_u16le()? as usize;
	140	validate!(nframes > 0);
	141	validate!((width > 0) && (width <= 640));
	142	validate!((height > 0) && (height <= 432));
	143	validate!((audio_size > audio_blob_size) && (audio_blob_size > 0) && (audio_size % audio_blob_size == 0));
	144	let mut dta = [0u8; 4];
	145	src.read_buf(&mut dta)?;
	146	validate!(&dta[0..] == b"DATA");
	147	let data_size = src.read_u32le()? as usize;
	148	validate!(data_size > 0);
	149	self.asize = audio_size;
	150	self.ablob = audio_blob_size;
	151
	152	let vhdr = NAVideoInfo::new(width, height, false, RGB565_FORMAT);
	153	let vci = NACodecTypeInfo::Video(vhdr);
	154	let vinfo = NACodecInfo::new("bmv3-video", vci, None);
	155	self.vid_id = strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 256, fps, nframes as u64)).unwrap();
	156
	157	let ahdr = NAAudioInfo::new(22050, 2, SND_S16_FORMAT, audio_blob_size);
	158	let ainfo = NACodecInfo::new("bmv3-audio", NACodecTypeInfo::Audio(ahdr), None);
	159	self.aud_id = strmgr.add_stream(NAStream::new(StreamType::Audio, 1, ainfo, 1, 22050, 0)).unwrap();
	160
	161	self.vpos = 0;
	162	self.apos = 0;
	163	Ok(())
	164	}
	165
	166	fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
	167	if !self.pkt_buf.is_empty() {
	168	return Ok(self.pkt_buf.pop().unwrap());
	169	}
	170
	171	loop {
	172	let ctype = self.src.read_byte()?;
	173	if ctype == 0 { // NOP chunk
	174	continue;
	175	}
	176	if ctype == 1 { return Err(DemuxerError::EOF); }
	177	let size = self.src.read_u24le()? as usize;
	178	if size == 0 { continue; }
	179	let asize;
	180	if (ctype & 0x20) != 0 {
	181	if (ctype & 0x40) != 0 {
	182	asize = self.asize - self.ablob;
	183	} else {
	184	asize = self.asize;
	185	}
	186	validate!(asize <= size);
	187	let mut buf: Vec<u8> = vec![0; asize + 1];
	188	buf[0] = (self.src.tell() & 1) as u8;
	189	self.src.read_buf(&mut buf[1..])?;
	190
	191	let str = strmgr.get_stream(self.aud_id).unwrap();
	192	let (tb_num, tb_den) = str.get_timebase();
	193	let ts = NATimeInfo::new(Some(self.apos), None, None, tb_num, tb_den);
	194	let apkt = NAPacket::new(str, ts, false, buf);
	195
	196	self.apos += (asize as u64) / 41 * 32;
	197	self.pkt_buf.push(apkt);
	198	} else {
	199	asize = 0;
	200	}
	201	if size == asize {
	202	if !self.pkt_buf.is_empty() {
	203	return Ok(self.pkt_buf.pop().unwrap());
	204	} else {
	205	continue;
	206	}
	207	}
	208	let mut buf: Vec<u8> = vec![0; size - asize + 1];
	209	buf[0] = ctype;
	210	self.src.read_buf(&mut buf[1..])?;
	211
	212	let str = strmgr.get_stream(self.vid_id).unwrap();
	213	let (tb_num, tb_den) = str.get_timebase();
	214	let ts = NATimeInfo::new(Some(self.vpos), None, None, tb_num, tb_den);
	215	let pkt = NAPacket::new(str, ts, (ctype & 3) == 3, buf);
	216
	217	self.vpos += 1;
	218	return Ok(pkt);
	219	}
	220	}
	221
	222	fn seek(&mut self, _time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> {
	223	Err(DemuxerError::NotPossible)
	224	}
	225	fn get_duration(&self) -> u64 { 0 }
	226	}
	227
	228	impl<'a> NAOptionHandler for BMV3Demuxer<'a> {
	229	fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
	230	fn set_options(&mut self, _options: &[NAOption]) { }
	231	fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
	232	}
	233
	234	impl<'a> BMV3Demuxer<'a> {
	235	fn new(io: &'a mut ByteReader<'a>) -> Self {
	236	Self {
	237	src: io,
	238	vid_id: 0,
	239	aud_id: 0,
	240	vpos: 0,
	241	apos: 0,
	242	asize: 0,
	243	ablob: 0,
	244	pkt_buf: Vec::with_capacity(1),
	245	}
	246	}
	247	}
	248
	249	pub struct BMV3DemuxerCreator { }
	250
	251	impl DemuxerCreator for BMV3DemuxerCreator {
	252	fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
	253	Box::new(BMV3Demuxer::new(br))
	254	}
	255	fn get_name(&self) -> &'static str { "bmv3" }
	256	}
	257
	258	#[cfg(test)]
	259	mod test {
	260	use super::*;
	261	use std::fs::File;
	262
	263	// samples from https://samples.mplayerhq.hu/game-formats/bmv
	264	#[test]
	265	fn test_bmv_demux() {
	266	let mut file = File::open("assets/Game/DW2-MOUSE.BMV").unwrap();
	267	let mut fr = FileReader::new_read(&mut file);
	268	let mut br = ByteReader::new(&mut fr);
	269	let mut dmx = BMVDemuxer::new(&mut br);
	270	let mut sm = StreamManager::new();
	271	let mut si = SeekIndex::new();
	272	dmx.open(&mut sm, &mut si).unwrap();
	273	loop {
	274	let pktres = dmx.get_frame(&mut sm);
	275	if let Err(e) = pktres {
	276	if (e as i32) == (DemuxerError::EOF as i32) { break; }
	277	panic!("error");
	278	}
	279	let pkt = pktres.unwrap();
	280	println!("Got {}", pkt);
	281	}
	282	}
	283	#[test]
	284	fn test_bmv3_demux() {
	285	let mut file = File::open("assets/Game/DW3-Loffnote.bmv").unwrap();
	286	let mut fr = FileReader::new_read(&mut file);
	287	let mut br = ByteReader::new(&mut fr);
	288	let mut dmx = BMV3Demuxer::new(&mut br);
	289	let mut sm = StreamManager::new();
	290	let mut si = SeekIndex::new();
	291	dmx.open(&mut sm, &mut si).unwrap();
	292	loop {
	293	let pktres = dmx.get_frame(&mut sm);
	294	if let Err(e) = pktres {
	295	if (e as i32) == (DemuxerError::EOF as i32) { break; }
	296	panic!("error");
	297	}
	298	let pkt = pktres.unwrap();
	299	println!("Got {}", pkt);
	300	}
	301	}
	302	}