| 1 | use nihav_core::demuxers::*; |
| 2 | use nihav_core::io::byteio::ByteReader; |
| 3 | |
| 4 | struct AudioTrack { |
| 5 | id: usize, |
| 6 | } |
| 7 | |
| 8 | const BINK_AUD_FLAG_DCT: u8 = 0x10; |
| 9 | const BINK_AUD_FLAG_STEREO: u8 = 0x20; |
| 10 | |
| 11 | impl AudioTrack { |
| 12 | fn new(strmgr: &mut StreamManager, srate: u32, flags: u8, str_id: usize) -> DemuxerResult<Self> { |
| 13 | let channels = if (flags & BINK_AUD_FLAG_STEREO) != 0 { 2 } else { 1 }; |
| 14 | let codecname = if (flags & BINK_AUD_FLAG_DCT) != 0 { |
| 15 | "bink-audio-dct" |
| 16 | } else { |
| 17 | "bink-audio-rdft" |
| 18 | }; |
| 19 | let ahdr = NAAudioInfo::new(srate, channels, SND_F32P_FORMAT, 1); |
| 20 | let ainfo = NACodecInfo::new(codecname, NACodecTypeInfo::Audio(ahdr), None); |
| 21 | let res = strmgr.add_stream(NAStream::new(StreamType::Audio, (str_id + 1) as u32, ainfo, 1, srate)); |
| 22 | validate!(res.is_some()); |
| 23 | let id = res.unwrap(); |
| 24 | Ok(Self{ id }) |
| 25 | } |
| 26 | } |
| 27 | |
| 28 | struct BinkDemuxer<'a> { |
| 29 | src: &'a mut ByteReader<'a>, |
| 30 | cur_frame: usize, |
| 31 | frames: usize, |
| 32 | video_id: usize, |
| 33 | tb_num: u32, |
| 34 | tb_den: u32, |
| 35 | ainfo: Vec<AudioTrack>, |
| 36 | queued_packets: Vec<NAPacket>, |
| 37 | frame_pos: Vec<u32>, |
| 38 | } |
| 39 | |
| 40 | macro_rules! mktag { |
| 41 | ($a:expr, $b:expr, $c:expr, $d:expr) => ({ |
| 42 | (($a as u32) << 24) | (($b as u32) << 16) | (($c as u32) << 8) | ($d as u32) |
| 43 | }); |
| 44 | ($arr:expr) => ({ |
| 45 | (($arr[0] as u32) << 24) | (($arr[1] as u32) << 16) | (($arr[2] as u32) << 8) | ($arr[3] as u32) |
| 46 | }); |
| 47 | } |
| 48 | |
| 49 | impl<'a> DemuxCore<'a> for BinkDemuxer<'a> { |
| 50 | fn open(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { |
| 51 | let src = &mut self.src; |
| 52 | let mut magic: [u8; 4] = [0; 4]; |
| 53 | src.read_buf(&mut magic)?; |
| 54 | let magic_tag = mktag!(magic); |
| 55 | validate!((magic_tag >= mktag!(b"BIKb") && magic_tag <= mktag!(b"BIKk")) || |
| 56 | (magic_tag >= mktag!(b"KB2a") && magic_tag <= mktag!(b"KB2k"))); |
| 57 | let fsize = (src.read_u32le()? as usize) + 8; |
| 58 | self.frames = src.read_u32le()? as usize; |
| 59 | let max_size = src.read_u32le()? as usize; |
| 60 | let _frames2 = src.read_u32le()? as usize; |
| 61 | let width = src.read_u32le()? as usize; |
| 62 | let height = src.read_u32le()? as usize; |
| 63 | let tb_den = src.read_u32le()?; |
| 64 | let tb_num = src.read_u32le()?; |
| 65 | validate!((width > 0) && (height > 0) && (width <= 7680) && (height <= 4800)); |
| 66 | validate!((self.frames > 0) && (tb_num > 0) && (tb_den > 0) && (max_size < fsize)); |
| 67 | let mut flags: [u8; 4] = [0; 4]; |
| 68 | src.read_buf(&mut flags)?; |
| 69 | let mut edata: Vec<u8> = Vec::with_capacity(8); |
| 70 | edata.resize(8, 0); |
| 71 | let p0 = &mut edata[0..4]; |
| 72 | p0.copy_from_slice(&magic); |
| 73 | let p1 = &mut edata[4..][..4]; |
| 74 | p1.copy_from_slice(&flags); |
| 75 | let vhdr = NAVideoInfo::new(width, height, false, YUV420_FORMAT); |
| 76 | let codec = if magic[0] == b'K' && magic[1] == b'B' && magic[2] == b'2' { "bink2-video" } else { "bink-video" }; |
| 77 | let vinfo = NACodecInfo::new(codec, NACodecTypeInfo::Video(vhdr), Some(edata)); |
| 78 | let res = strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, self.tb_num, self.tb_den)); |
| 79 | validate!(res.is_some()); |
| 80 | self.video_id = res.unwrap(); |
| 81 | |
| 82 | let num_audio = src.read_u32le()? as usize; |
| 83 | validate!(num_audio < 256); |
| 84 | src.read_skip(num_audio * 4)?; // audio max output frame size? |
| 85 | self.ainfo = Vec::with_capacity(num_audio); |
| 86 | for i in 0..num_audio { |
| 87 | let srate = src.read_u24le()?; |
| 88 | let flags = src.read_byte()?; |
| 89 | validate!(srate > 0); |
| 90 | self.ainfo.push(AudioTrack::new(strmgr, srate, flags, i)?); |
| 91 | } |
| 92 | for _ in 0..num_audio { |
| 93 | let _trk_id = src.read_u32le()?; |
| 94 | } |
| 95 | |
| 96 | self.frame_pos = Vec::with_capacity(self.frames + 1); |
| 97 | for _ in 0..self.frames+1 { |
| 98 | let pos = src.read_u32le()?; |
| 99 | self.frame_pos.push(pos); |
| 100 | } |
| 101 | validate!((src.tell() as u32) == (self.frame_pos[0] & !1)); |
| 102 | |
| 103 | self.cur_frame = 0; |
| 104 | |
| 105 | Ok(()) |
| 106 | } |
| 107 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { |
| 108 | if !self.queued_packets.is_empty() { |
| 109 | let pkt = self.queued_packets.pop().unwrap(); |
| 110 | return Ok(pkt); |
| 111 | } |
| 112 | if self.cur_frame >= self.frames { return Err(DemuxerError::EOF); } |
| 113 | let mut payload_size = ((self.frame_pos[self.cur_frame + 1] & !1) - (self.frame_pos[self.cur_frame] & !1)) as usize; |
| 114 | validate!(payload_size > self.ainfo.len() * 4); |
| 115 | for atrk in self.ainfo.iter() { |
| 116 | let size = self.src.read_u32le()? as usize; |
| 117 | validate!(payload_size > size + 4); |
| 118 | payload_size -= size + 4; |
| 119 | |
| 120 | if size > 0 { |
| 121 | let strres = strmgr.get_stream(atrk.id); |
| 122 | validate!(strres.is_some()); |
| 123 | let stream = strres.unwrap(); |
| 124 | let ts = NATimeInfo::new(Some(self.cur_frame as u64), None, None, self.tb_num, self.tb_den); |
| 125 | let pkt = self.src.read_packet(stream.clone(), ts, true, size)?; |
| 126 | self.queued_packets.push(pkt); |
| 127 | } |
| 128 | } |
| 129 | self.queued_packets.reverse(); |
| 130 | |
| 131 | let strres = strmgr.get_stream(self.video_id); |
| 132 | validate!(strres.is_some()); |
| 133 | let stream = strres.unwrap(); |
| 134 | let keyframe = (self.frame_pos[self.cur_frame] & 1) != 0; |
| 135 | let ts = NATimeInfo::new(Some(self.cur_frame as u64), None, None, self.tb_num, self.tb_den); |
| 136 | let pkt = self.src.read_packet(stream.clone(), ts, keyframe, payload_size)?; |
| 137 | |
| 138 | self.cur_frame += 1; |
| 139 | |
| 140 | Ok(pkt) |
| 141 | } |
| 142 | #[allow(unused_variables)] |
| 143 | fn seek(&mut self, time: u64) -> DemuxerResult<()> { |
| 144 | Err(DemuxerError::NotImplemented) |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | impl<'a> BinkDemuxer<'a> { |
| 149 | fn new(io: &'a mut ByteReader<'a>) -> Self { |
| 150 | Self { |
| 151 | src: io, |
| 152 | cur_frame: 0, |
| 153 | frames: 0, |
| 154 | video_id: 0, |
| 155 | tb_num: 0, |
| 156 | tb_den: 0, |
| 157 | ainfo: Vec::new(), |
| 158 | queued_packets: Vec::new(), |
| 159 | frame_pos: Vec::new(), |
| 160 | } |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | |
| 165 | pub struct BinkDemuxerCreator { } |
| 166 | |
| 167 | impl DemuxerCreator for BinkDemuxerCreator { |
| 168 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<DemuxCore<'a> + 'a> { |
| 169 | Box::new(BinkDemuxer::new(br)) |
| 170 | } |
| 171 | fn get_name(&self) -> &'static str { "bink" } |
| 172 | } |
| 173 | |
| 174 | #[cfg(test)] |
| 175 | mod test { |
| 176 | use super::*; |
| 177 | use std::fs::File; |
| 178 | |
| 179 | #[test] |
| 180 | fn test_bink_demux() { |
| 181 | let mut file = File::open("assets/RAD/ActivisionLogo.bik").unwrap(); |
| 182 | // let mut file = File::open("assets/RAD/original.bik").unwrap(); |
| 183 | // let mut file = File::open("assets/RAD/Snd0a110c51.dee").unwrap(); |
| 184 | // let mut file = File::open("assets/RAD/NEW.BIK").unwrap(); |
| 185 | // let mut file = File::open("assets/RAD/ge_video_86l.bk2").unwrap(); |
| 186 | let mut fr = FileReader::new_read(&mut file); |
| 187 | let mut br = ByteReader::new(&mut fr); |
| 188 | let mut dmx = BinkDemuxer::new(&mut br); |
| 189 | let mut sm = StreamManager::new(); |
| 190 | dmx.open(&mut sm).unwrap(); |
| 191 | loop { |
| 192 | let pktres = dmx.get_frame(&mut sm); |
| 193 | if let Err(e) = pktres { |
| 194 | if (e as i32) == (DemuxerError::EOF as i32) { break; } |
| 195 | panic!("error"); |
| 196 | } |
| 197 | let pkt = pktres.unwrap(); |
| 198 | println!("Got {}", pkt); |
| 199 | } |
| 200 | } |
| 201 | } |