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use nihav_core::frame::*;
use nihav_core::demuxers::*;
#[allow(dead_code)]
struct FutureVisionVideoDemuxer<'a> {
src: &'a mut ByteReader<'a>,
cur_frame: usize,
apos: u64,
vsize: Vec<usize>,
asize: Vec<usize>,
a_id: Option<usize>,
v_id: Option<usize>,
vframe: bool,
}
impl<'a> DemuxCore<'a> for FutureVisionVideoDemuxer<'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"2TSF");
let width = src.read_u32le()? as usize;
let height = src.read_u32le()? as usize;
validate!(width != 0 && height != 0);
let _flags = src.read_u32le()?;
let nframes = src.read_u32le()? as usize;
let fps = src.read_u32le()?;
let arate = src.read_u32le()?;
let abits = src.read_u32le()?;
let vhdr = NAVideoInfo::new(width, height, false, PAL8_FORMAT);
let vci = NACodecTypeInfo::Video(vhdr);
let vinfo = NACodecInfo::new("fst-video", vci, None);
self.v_id = strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 1, fps, nframes as u64));
if arate != 0 {
validate!(abits == 8 || abits == 16);
let ahdr = NAAudioInfo::new(arate, 1, if abits == 16 { SND_S16_FORMAT } else { 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, arate, 2));
}
self.vsize = Vec::with_capacity(nframes);
self.asize = Vec::with_capacity(nframes);
for _ in 0..nframes {
let vsize = src.read_u32le()? as usize;
let asize = src.read_u16le()? as usize;
self.vsize.push(vsize);
self.asize.push(asize);
}
self.vframe = true;
self.cur_frame = 0;
self.apos = 0;
Ok(())
}
#[allow(unused_variables)]
fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
if self.cur_frame >= self.vsize.len() { return Err(DemuxerError::EOF); }
let (id, size, pts) = if self.vframe {
self.vframe = self.a_id.is_none();
(self.v_id.unwrap_or(0), self.vsize[self.cur_frame], self.cur_frame as u64)
} else {
self.vframe = true;
let apos = self.apos;
self.apos += (self.asize[self.cur_frame] as u64) * 2;
(self.a_id.unwrap_or(0), self.asize[self.cur_frame], apos)
};
if self.vframe {
self.cur_frame += 1;
}
let str = strmgr.get_stream(id).unwrap();
let (tb_num, tb_den) = str.get_timebase();
let ts = NATimeInfo::new(Some(pts), None, None, tb_num, tb_den);
self.src.read_packet(str, ts, true, size)
}
fn seek(&mut self, _time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> {
Err(DemuxerError::NotPossible)
}
fn get_duration(&self) -> u64 { 0 }
}
impl<'a> NAOptionHandler for FutureVisionVideoDemuxer<'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> FutureVisionVideoDemuxer<'a> {
fn new(io: &'a mut ByteReader<'a>) -> Self {
FutureVisionVideoDemuxer {
src: io,
cur_frame: 0,
apos: 0,
vsize: Vec::new(),
asize: Vec::new(),
a_id: None,
v_id: None,
vframe: false,
}
}
}
pub struct FSTDemuxerCreator { }
impl DemuxerCreator for FSTDemuxerCreator {
fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
Box::new(FutureVisionVideoDemuxer::new(br))
}
fn get_name(&self) -> &'static str { "fst" }
}
#[allow(dead_code)]
struct FutureVisionAudioDemuxer<'a> {
src: &'a mut ByteReader<'a>,
a_id: usize,
end: u64,
arate: u32,
}
impl<'a> DemuxCore<'a> for FutureVisionAudioDemuxer<'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"FCMP");
let size = u64::from(src.read_u32le()?);
let arate = src.read_u32le()?;
validate!(arate != 0);
let abits = src.read_u16le()?;
validate!(abits == 8 || abits == 16);
let ahdr = NAAudioInfo::new(arate, 1, if abits == 16 { SND_S16_FORMAT } else { SND_U8_FORMAT }, 2);
let ainfo = NACodecInfo::new("fst-audio", NACodecTypeInfo::Audio(ahdr), None);
self.a_id = strmgr.add_stream(NAStream::new(StreamType::Audio, 0, ainfo, 1, arate, 2)).unwrap();
self.end = self.src.tell() + size;
self.arate = arate;
Ok(())
}
#[allow(unused_variables)]
fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
if self.src.tell() >= self.end { return Err(DemuxerError::EOF); }
let size = (self.end - self.src.tell()).min(0x2000) as usize;
let pts = (self.src.tell() - 14) * 2;
let str = strmgr.get_stream(self.a_id).unwrap();
let (tb_num, tb_den) = str.get_timebase();
let ts = NATimeInfo::new(Some(pts), None, None, tb_num, tb_den);
self.src.read_packet(str, ts, true, size)
}
fn seek(&mut self, _time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> {
Err(DemuxerError::NotPossible)
}
fn get_duration(&self) -> u64 { (self.end - 14) * 2000 / u64::from(self.arate) }
}
impl<'a> NAOptionHandler for FutureVisionAudioDemuxer<'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> FutureVisionAudioDemuxer<'a> {
fn new(io: &'a mut ByteReader<'a>) -> Self {
FutureVisionAudioDemuxer {
src: io,
a_id: 0,
end: 0,
arate: 0,
}
}
}
pub struct FCMPDemuxerCreator { }
impl DemuxerCreator for FCMPDemuxerCreator {
fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
Box::new(FutureVisionAudioDemuxer::new(br))
}
fn get_name(&self) -> &'static str { "fcmp" }
}
#[cfg(test)]
mod test {
use super::*;
use std::fs::File;
// samples from the Harvester game
#[test]
fn test_fst_demux() {
let mut file = File::open("assets/Game/c007.fst").unwrap();
let mut fr = FileReader::new_read(&mut file);
let mut br = ByteReader::new(&mut fr);
let mut dmx = FutureVisionVideoDemuxer::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_fcmp_demux() {
let mut file = File::open("assets/Game/anxiety.cmp").unwrap();
let mut fr = FileReader::new_read(&mut file);
let mut br = ByteReader::new(&mut fr);
let mut dmx = FutureVisionAudioDemuxer::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);
}
}
}
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