use nihav_core::demuxers::*;
use nihav_core::io::byteio::ByteReader;
+struct AudioTrack {
+ id: usize,
+}
+
+const BINK_AUD_FLAG_DCT: u8 = 0x10;
+const BINK_AUD_FLAG_STEREO: u8 = 0x20;
+
+impl AudioTrack {
+ fn new(strmgr: &mut StreamManager, srate: u32, flags: u8, str_id: usize) -> DemuxerResult<Self> {
+ let channels = if (flags & BINK_AUD_FLAG_STEREO) != 0 { 2 } else { 1 };
+ let codecname = if (flags & BINK_AUD_FLAG_DCT) != 0 {
+ "bink-audio-dct"
+ } else {
+ "bink-audio-rdft"
+ };
+ let ahdr = NAAudioInfo::new(srate, channels, SND_F32P_FORMAT, 1);
+ let ainfo = NACodecInfo::new(codecname, NACodecTypeInfo::Audio(ahdr), None);
+ let res = strmgr.add_stream(NAStream::new(StreamType::Audio, (str_id + 1) as u32, ainfo, 1, srate));
+ validate!(res.is_some());
+ let id = res.unwrap();
+ Ok(Self{ id })
+ }
+}
+
+struct BinkDemuxer<'a> {
+ src: &'a mut ByteReader<'a>,
+ cur_frame: usize,
+ frames: usize,
+ video_id: usize,
+ tb_num: u32,
+ tb_den: u32,
+ ainfo: Vec<AudioTrack>,
+ queued_packets: Vec<NAPacket>,
+ frame_pos: Vec<u32>,
+}
+
+macro_rules! mktag {
+ ($a:expr, $b:expr, $c:expr, $d:expr) => ({
+ (($a as u32) << 24) | (($b as u32) << 16) | (($c as u32) << 8) | ($d as u32)
+ });
+ ($arr:expr) => ({
+ (($arr[0] as u32) << 24) | (($arr[1] as u32) << 16) | (($arr[2] as u32) << 8) | ($arr[3] as u32)
+ });
+}
+
+impl<'a> DemuxCore<'a> for BinkDemuxer<'a> {
+ fn open(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> {
+ let src = &mut self.src;
+ let mut magic: [u8; 4] = [0; 4];
+ src.read_buf(&mut magic)?;
+ let magic_tag = mktag!(magic);
+ validate!((magic_tag >= mktag!(b"BIKb") && magic_tag <= mktag!(b"BIKk")) ||
+ (magic_tag >= mktag!(b"KB2a") && magic_tag <= mktag!(b"KB2k")));
+ let fsize = (src.read_u32le()? as usize) + 8;
+ self.frames = src.read_u32le()? as usize;
+ let max_size = src.read_u32le()? as usize;
+ let _frames2 = src.read_u32le()? as usize;
+ let width = src.read_u32le()? as usize;
+ let height = src.read_u32le()? as usize;
+ let tb_den = src.read_u32le()?;
+ let tb_num = src.read_u32le()?;
+ validate!((width > 0) && (height > 0) && (width <= 7680) && (height <= 4800));
+ validate!((self.frames > 0) && (tb_num > 0) && (tb_den > 0) && (max_size < fsize));
+ let mut flags: [u8; 4] = [0; 4];
+ src.read_buf(&mut flags)?;
+ let mut edata: Vec<u8> = Vec::with_capacity(8);
+ edata.resize(8, 0);
+ let p0 = &mut edata[0..4];
+ p0.copy_from_slice(&magic);
+ let p1 = &mut edata[4..][..4];
+ p1.copy_from_slice(&flags);
+ let vhdr = NAVideoInfo::new(width, height, false, YUV420_FORMAT);
+ let codec = if magic[0] == b'K' && magic[1] == b'B' && magic[2] == b'2' { "bink2-video" } else { "bink-video" };
+ let vinfo = NACodecInfo::new(codec, NACodecTypeInfo::Video(vhdr), Some(edata));
+ let res = strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, self.tb_num, self.tb_den));
+ validate!(res.is_some());
+ self.video_id = res.unwrap();
+
+ let num_audio = src.read_u32le()? as usize;
+ validate!(num_audio < 256);
+ src.read_skip(num_audio * 4)?; // audio max output frame size?
+ self.ainfo = Vec::with_capacity(num_audio);
+ for i in 0..num_audio {
+ let srate = src.read_u24le()?;
+ let flags = src.read_byte()?;
+ validate!(srate > 0);
+ self.ainfo.push(AudioTrack::new(strmgr, srate, flags, i)?);
+ }
+ for _ in 0..num_audio {
+ let _trk_id = src.read_u32le()?;
+ }
+
+ self.frame_pos = Vec::with_capacity(self.frames + 1);
+ for _ in 0..self.frames+1 {
+ let pos = src.read_u32le()?;
+ self.frame_pos.push(pos);
+ }
+ validate!((src.tell() as u32) == (self.frame_pos[0] & !1));
+
+ self.cur_frame = 0;
+
+ Ok(())
+ }
+ fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
+ if !self.queued_packets.is_empty() {
+ let pkt = self.queued_packets.pop().unwrap();
+ return Ok(pkt);
+ }
+ if self.cur_frame >= self.frames { return Err(DemuxerError::EOF); }
+ let mut payload_size = ((self.frame_pos[self.cur_frame + 1] & !1) - (self.frame_pos[self.cur_frame] & !1)) as usize;
+ validate!(payload_size > self.ainfo.len() * 4);
+ for atrk in self.ainfo.iter() {
+ let size = self.src.read_u32le()? as usize;
+ validate!(payload_size > size + 4);
+ payload_size -= size + 4;
+
+ let strres = strmgr.get_stream(atrk.id);
+ validate!(strres.is_some());
+ let stream = strres.unwrap();
+ let ts = NATimeInfo::new(Some(self.cur_frame as u64), None, None, self.tb_num, self.tb_den);
+ let pkt = self.src.read_packet(stream.clone(), ts, true, size)?;
+ self.queued_packets.push(pkt);
+ }
+ self.queued_packets.reverse();
+
+ let strres = strmgr.get_stream(self.video_id);
+ validate!(strres.is_some());
+ let stream = strres.unwrap();
+ let keyframe = (self.frame_pos[self.cur_frame] & 1) != 0;
+ let ts = NATimeInfo::new(Some(self.cur_frame as u64), None, None, self.tb_num, self.tb_den);
+ let pkt = self.src.read_packet(stream.clone(), ts, keyframe, payload_size)?;
+
+ self.cur_frame += 1;
+
+ Ok(pkt)
+ }
+ #[allow(unused_variables)]
+ fn seek(&mut self, time: u64) -> DemuxerResult<()> {
+ Err(DemuxerError::NotImplemented)
+ }
+}
+
+impl<'a> BinkDemuxer<'a> {
+ fn new(io: &'a mut ByteReader<'a>) -> Self {
+ Self {
+ src: io,
+ cur_frame: 0,
+ frames: 0,
+ video_id: 0,
+ tb_num: 0,
+ tb_den: 0,
+ ainfo: Vec::new(),
+ queued_packets: Vec::new(),
+ frame_pos: Vec::new(),
+ }
+ }
+}
+
+
pub struct BinkDemuxerCreator { }
impl DemuxerCreator for BinkDemuxerCreator {
fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<DemuxCore<'a> + 'a> {
- unimplemented!("");//Box::new(GremlinVideoDemuxer::new(br))
+ Box::new(BinkDemuxer::new(br))
}
fn get_name(&self) -> &'static str { "bink" }
}
+#[cfg(test)]
+mod test {
+ use super::*;
+ use std::fs::File;
+
+ #[test]
+ fn test_bink_demux() {
+ let mut file = File::open("assets/RAD/ActivisionLogo.bik").unwrap();
+// let mut file = File::open("assets/RAD/original.bik").unwrap();
+// let mut file = File::open("assets/RAD/Snd0a110c51.dee").unwrap();
+// let mut file = File::open("assets/RAD/NEW.BIK").unwrap();
+// let mut file = File::open("assets/RAD/ge_video_86l.bk2").unwrap();
+ let mut fr = FileReader::new_read(&mut file);
+ let mut br = ByteReader::new(&mut fr);
+ let mut dmx = BinkDemuxer::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);
+ }
+ }
+}
projects / nihav.git / commitdiff