[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) -> 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)).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)).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);
        }
    }

    #[allow(unused_variables)]
    fn seek(&mut self, time: u64) -> DemuxerResult<()> {
        Err(DemuxerError::NotImplemented)
    }
}

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)]
    fn open(&mut self, strmgr: &mut StreamManager) -> 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)).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)).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);
        }
    }

    #[allow(unused_variables)]
    fn seek(&mut self, time: u64) -> DemuxerResult<()> {
        Err(DemuxerError::NotImplemented)
    }
}

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;

    #[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();
        dmx.open(&mut sm).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();
        dmx.open(&mut sm).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) -> 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)).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)).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	#[allow(unused_variables)]
	74	fn seek(&mut self, time: u64) -> DemuxerResult<()> {
	75	Err(DemuxerError::NotImplemented)
	76	}
	77	}
	78
	79	impl<'a> BMVDemuxer<'a> {
	80	fn new(io: &'a mut ByteReader<'a>) -> Self {
	81	Self {
	82	src: io,
	83	vid_id: 0,
	84	aud_id: 0,
	85	vpos: 0,
	86	apos: 0,
	87	pkt_buf: Vec::with_capacity(1),
	88	}
	89	}
	90	}
	91
	92	pub struct BMVDemuxerCreator { }
	93
	94	impl DemuxerCreator for BMVDemuxerCreator {
	95	fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
	96	Box::new(BMVDemuxer::new(br))
	97	}
	98	fn get_name(&self) -> &'static str { "bmv" }
	99	}
	100
	101	struct BMV3Demuxer<'a> {
	102	src: &'a mut ByteReader<'a>,
	103	vid_id: usize,
	104	aud_id: usize,
	105	vpos: u64,
	106	apos: u64,
	107	asize: usize,
	108	ablob: usize,
	109	pkt_buf: Vec<NAPacket>,
	110	}
	111
	112	impl<'a> DemuxCore<'a> for BMV3Demuxer<'a> {
	113	#[allow(unused_variables)]
	114	fn open(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> {
	115	let src = &mut self.src;
	116
	117	let mut magic = [0u8; 4];
	118	src.read_buf(&mut magic)?;
	119	validate!(&magic[0..] == b"BMVi");
	120	let size = src.read_u32le()?;
	121	validate!(size == 24);
	122	let _slot_size = src.read_u32le()? as usize;
	123	let nframes = src.read_u32le()? as usize;
	124	let _prefetch_slots = src.read_u16le()?;
	125	let _cache_size = src.read_u16le()?;
	126	let fps = src.read_u16le()? as u32;
	127	let audio_size = src.read_u16le()? as usize;
	128	let audio_blob_size = src.read_u16le()? as usize;
	129	let _audio_id = src.read_byte()?;
	130	let _video_id = src.read_byte()?;
	131	let width = src.read_u16le()? as usize;
	132	let height = src.read_u16le()? as usize;
	133	validate!(nframes > 0);
	134	validate!((width > 0) && (width <= 640));
	135	validate!((height > 0) && (height <= 432));
	136	validate!((audio_size > audio_blob_size) && (audio_blob_size > 0) && (audio_size % audio_blob_size == 0));
	137	let mut dta = [0u8; 4];
	138	src.read_buf(&mut dta)?;
	139	validate!(&dta[0..] == b"DATA");
	140	let data_size = src.read_u32le()? as usize;
	141	validate!(data_size > 0);
	142	self.asize = audio_size;
	143	self.ablob = audio_blob_size;
	144
	145	let vhdr = NAVideoInfo::new(width, height, false, RGB565_FORMAT);
	146	let vci = NACodecTypeInfo::Video(vhdr);
	147	let vinfo = NACodecInfo::new("bmv3-video", vci, None);
	148	self.vid_id = strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 256, fps)).unwrap();
	149
	150	let ahdr = NAAudioInfo::new(22050, 2, SND_S16_FORMAT, audio_blob_size);
	151	let ainfo = NACodecInfo::new("bmv3-audio", NACodecTypeInfo::Audio(ahdr), None);
	152	self.aud_id = strmgr.add_stream(NAStream::new(StreamType::Audio, 1, ainfo, 1, 22050)).unwrap();
	153
	154	self.vpos = 0;
	155	self.apos = 0;
	156	Ok(())
	157	}
	158
	159	fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
	160	if !self.pkt_buf.is_empty() {
	161	return Ok(self.pkt_buf.pop().unwrap());
	162	}
	163
	164	loop {
	165	let ctype = self.src.read_byte()?;
	166	if ctype == 0 { // NOP chunk
	167	continue;
	168	}
	169	if ctype == 1 { return Err(DemuxerError::EOF); }
	170	let size = self.src.read_u24le()? as usize;
	171	if size == 0 { continue; }
	172	let asize;
	173	if (ctype & 0x20) != 0 {
	174	if (ctype & 0x40) != 0 {
	175	asize = self.asize - self.ablob;
	176	} else {
	177	asize = self.asize;
	178	}
	179	validate!(asize <= size);
	180	let mut buf: Vec<u8> = vec![0; asize + 1];
	181	buf[0] = (self.src.tell() & 1) as u8;
	182	self.src.read_buf(&mut buf[1..])?;
	183
	184	let str = strmgr.get_stream(self.aud_id).unwrap();
	185	let (tb_num, tb_den) = str.get_timebase();
	186	let ts = NATimeInfo::new(Some(self.apos), None, None, tb_num, tb_den);
	187	let apkt = NAPacket::new(str, ts, false, buf);
	188
	189	self.apos += (asize as u64) / 41 * 32;
	190	self.pkt_buf.push(apkt);
	191	} else {
	192	asize = 0;
	193	}
	194	if size == asize {
	195	if !self.pkt_buf.is_empty() {
	196	return Ok(self.pkt_buf.pop().unwrap());
	197	} else {
	198	continue;
	199	}
	200	}
	201	let mut buf: Vec<u8> = vec![0; size - asize + 1];
	202	buf[0] = ctype;
	203	self.src.read_buf(&mut buf[1..])?;
	204
	205	let str = strmgr.get_stream(self.vid_id).unwrap();
	206	let (tb_num, tb_den) = str.get_timebase();
	207	let ts = NATimeInfo::new(Some(self.vpos), None, None, tb_num, tb_den);
	208	let pkt = NAPacket::new(str, ts, (ctype & 3) == 3, buf);
	209
	210	self.vpos += 1;
	211	return Ok(pkt);
	212	}
	213	}
	214
	215	#[allow(unused_variables)]
	216	fn seek(&mut self, time: u64) -> DemuxerResult<()> {
	217	Err(DemuxerError::NotImplemented)
	218	}
	219	}
	220
	221	impl<'a> BMV3Demuxer<'a> {
	222	fn new(io: &'a mut ByteReader<'a>) -> Self {
	223	Self {
	224	src: io,
	225	vid_id: 0,
	226	aud_id: 0,
	227	vpos: 0,
	228	apos: 0,
	229	asize: 0,
	230	ablob: 0,
	231	pkt_buf: Vec::with_capacity(1),
	232	}
	233	}
	234	}
	235
	236	pub struct BMV3DemuxerCreator { }
	237
	238	impl DemuxerCreator for BMV3DemuxerCreator {
	239	fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
	240	Box::new(BMV3Demuxer::new(br))
	241	}
	242	fn get_name(&self) -> &'static str { "bmv3" }
	243	}
	244
	245	#[cfg(test)]
	246	mod test {
	247	use super::*;
	248	use std::fs::File;
	249
	250	#[test]
	251	fn test_bmv_demux() {
	252	let mut file = File::open("assets/Game/DW2-MOUSE.BMV").unwrap();
	253	let mut fr = FileReader::new_read(&mut file);
	254	let mut br = ByteReader::new(&mut fr);
	255	let mut dmx = BMVDemuxer::new(&mut br);
	256	let mut sm = StreamManager::new();
	257	dmx.open(&mut sm).unwrap();
	258	loop {
	259	let pktres = dmx.get_frame(&mut sm);
	260	if let Err(e) = pktres {
	261	if (e as i32) == (DemuxerError::EOF as i32) { break; }
	262	panic!("error");
	263	}
	264	let pkt = pktres.unwrap();
	265	println!("Got {}", pkt);
	266	}
	267	}
	268	#[test]
	269	fn test_bmv3_demux() {
	270	let mut file = File::open("assets/Game/DW3-Loffnote.bmv").unwrap();
	271	let mut fr = FileReader::new_read(&mut file);
	272	let mut br = ByteReader::new(&mut fr);
	273	let mut dmx = BMV3Demuxer::new(&mut br);
	274	let mut sm = StreamManager::new();
	275	dmx.open(&mut sm).unwrap();
	276	loop {
	277	let pktres = dmx.get_frame(&mut sm);
	278	if let Err(e) = pktres {
	279	if (e as i32) == (DemuxerError::EOF as i32) { break; }
	280	panic!("error");
	281	}
	282	let pkt = pktres.unwrap();
	283	println!("Got {}", pkt);
	284	}
	285	}
	286	}