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1 | use nihav_core::demuxers::*; |
2 | use nihav_core::io::byteio::ByteReader; | |
3 | ||
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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 { | |
bce85425 | 12 | fn new(strmgr: &mut StreamManager, srate: u32, flags: u8, str_id: usize, magic: &[u8; 4]) -> DemuxerResult<Self> { |
c6c21059 KS |
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); | |
bce85425 KS |
20 | let mut edata: Vec<u8> = Vec::with_capacity(4); |
21 | edata.extend_from_slice(magic); | |
22 | let ainfo = NACodecInfo::new(codecname, NACodecTypeInfo::Audio(ahdr), Some(edata)); | |
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23 | let res = strmgr.add_stream(NAStream::new(StreamType::Audio, (str_id + 1) as u32, ainfo, 1, srate)); |
24 | validate!(res.is_some()); | |
25 | let id = res.unwrap(); | |
26 | Ok(Self{ id }) | |
27 | } | |
28 | } | |
29 | ||
30 | struct BinkDemuxer<'a> { | |
31 | src: &'a mut ByteReader<'a>, | |
32 | cur_frame: usize, | |
33 | frames: usize, | |
34 | video_id: usize, | |
35 | tb_num: u32, | |
36 | tb_den: u32, | |
37 | ainfo: Vec<AudioTrack>, | |
38 | queued_packets: Vec<NAPacket>, | |
39 | frame_pos: Vec<u32>, | |
40 | } | |
41 | ||
42 | macro_rules! mktag { | |
43 | ($a:expr, $b:expr, $c:expr, $d:expr) => ({ | |
44 | (($a as u32) << 24) | (($b as u32) << 16) | (($c as u32) << 8) | ($d as u32) | |
45 | }); | |
46 | ($arr:expr) => ({ | |
47 | (($arr[0] as u32) << 24) | (($arr[1] as u32) << 16) | (($arr[2] as u32) << 8) | ($arr[3] as u32) | |
48 | }); | |
49 | } | |
50 | ||
51 | impl<'a> DemuxCore<'a> for BinkDemuxer<'a> { | |
52 | fn open(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { | |
53 | let src = &mut self.src; | |
54 | let mut magic: [u8; 4] = [0; 4]; | |
55 | src.read_buf(&mut magic)?; | |
56 | let magic_tag = mktag!(magic); | |
57 | validate!((magic_tag >= mktag!(b"BIKb") && magic_tag <= mktag!(b"BIKk")) || | |
58 | (magic_tag >= mktag!(b"KB2a") && magic_tag <= mktag!(b"KB2k"))); | |
59 | let fsize = (src.read_u32le()? as usize) + 8; | |
60 | self.frames = src.read_u32le()? as usize; | |
61 | let max_size = src.read_u32le()? as usize; | |
62 | let _frames2 = src.read_u32le()? as usize; | |
63 | let width = src.read_u32le()? as usize; | |
64 | let height = src.read_u32le()? as usize; | |
65 | let tb_den = src.read_u32le()?; | |
66 | let tb_num = src.read_u32le()?; | |
67 | validate!((width > 0) && (height > 0) && (width <= 7680) && (height <= 4800)); | |
68 | validate!((self.frames > 0) && (tb_num > 0) && (tb_den > 0) && (max_size < fsize)); | |
69 | let mut flags: [u8; 4] = [0; 4]; | |
70 | src.read_buf(&mut flags)?; | |
71 | let mut edata: Vec<u8> = Vec::with_capacity(8); | |
72 | edata.resize(8, 0); | |
73 | let p0 = &mut edata[0..4]; | |
74 | p0.copy_from_slice(&magic); | |
75 | let p1 = &mut edata[4..][..4]; | |
76 | p1.copy_from_slice(&flags); | |
77 | let vhdr = NAVideoInfo::new(width, height, false, YUV420_FORMAT); | |
78 | let codec = if magic[0] == b'K' && magic[1] == b'B' && magic[2] == b'2' { "bink2-video" } else { "bink-video" }; | |
79 | let vinfo = NACodecInfo::new(codec, NACodecTypeInfo::Video(vhdr), Some(edata)); | |
80 | let res = strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, self.tb_num, self.tb_den)); | |
81 | validate!(res.is_some()); | |
82 | self.video_id = res.unwrap(); | |
83 | ||
84 | let num_audio = src.read_u32le()? as usize; | |
ffdf2c7f KS |
85 | if magic_tag >= mktag!(b"KB2i") { |
86 | src.read_skip(4)?; | |
87 | } | |
c6c21059 KS |
88 | validate!(num_audio < 256); |
89 | src.read_skip(num_audio * 4)?; // audio max output frame size? | |
90 | self.ainfo = Vec::with_capacity(num_audio); | |
91 | for i in 0..num_audio { | |
92 | let srate = src.read_u24le()?; | |
93 | let flags = src.read_byte()?; | |
94 | validate!(srate > 0); | |
bce85425 | 95 | self.ainfo.push(AudioTrack::new(strmgr, srate, flags, i, &magic)?); |
c6c21059 KS |
96 | } |
97 | for _ in 0..num_audio { | |
98 | let _trk_id = src.read_u32le()?; | |
99 | } | |
100 | ||
101 | self.frame_pos = Vec::with_capacity(self.frames + 1); | |
102 | for _ in 0..self.frames+1 { | |
103 | let pos = src.read_u32le()?; | |
104 | self.frame_pos.push(pos); | |
105 | } | |
106 | validate!((src.tell() as u32) == (self.frame_pos[0] & !1)); | |
107 | ||
108 | self.cur_frame = 0; | |
109 | ||
110 | Ok(()) | |
111 | } | |
112 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { | |
113 | if !self.queued_packets.is_empty() { | |
114 | let pkt = self.queued_packets.pop().unwrap(); | |
115 | return Ok(pkt); | |
116 | } | |
117 | if self.cur_frame >= self.frames { return Err(DemuxerError::EOF); } | |
118 | let mut payload_size = ((self.frame_pos[self.cur_frame + 1] & !1) - (self.frame_pos[self.cur_frame] & !1)) as usize; | |
119 | validate!(payload_size > self.ainfo.len() * 4); | |
120 | for atrk in self.ainfo.iter() { | |
121 | let size = self.src.read_u32le()? as usize; | |
122 | validate!(payload_size > size + 4); | |
123 | payload_size -= size + 4; | |
124 | ||
5faa5676 KS |
125 | if size > 0 { |
126 | let strres = strmgr.get_stream(atrk.id); | |
127 | validate!(strres.is_some()); | |
128 | let stream = strres.unwrap(); | |
129 | let ts = NATimeInfo::new(Some(self.cur_frame as u64), None, None, self.tb_num, self.tb_den); | |
130 | let pkt = self.src.read_packet(stream.clone(), ts, true, size)?; | |
131 | self.queued_packets.push(pkt); | |
132 | } | |
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133 | } |
134 | self.queued_packets.reverse(); | |
135 | ||
136 | let strres = strmgr.get_stream(self.video_id); | |
137 | validate!(strres.is_some()); | |
138 | let stream = strres.unwrap(); | |
139 | let keyframe = (self.frame_pos[self.cur_frame] & 1) != 0; | |
140 | let ts = NATimeInfo::new(Some(self.cur_frame as u64), None, None, self.tb_num, self.tb_den); | |
141 | let pkt = self.src.read_packet(stream.clone(), ts, keyframe, payload_size)?; | |
142 | ||
143 | self.cur_frame += 1; | |
144 | ||
145 | Ok(pkt) | |
146 | } | |
147 | #[allow(unused_variables)] | |
148 | fn seek(&mut self, time: u64) -> DemuxerResult<()> { | |
149 | Err(DemuxerError::NotImplemented) | |
150 | } | |
151 | } | |
152 | ||
153 | impl<'a> BinkDemuxer<'a> { | |
154 | fn new(io: &'a mut ByteReader<'a>) -> Self { | |
155 | Self { | |
156 | src: io, | |
157 | cur_frame: 0, | |
158 | frames: 0, | |
159 | video_id: 0, | |
160 | tb_num: 0, | |
161 | tb_den: 0, | |
162 | ainfo: Vec::new(), | |
163 | queued_packets: Vec::new(), | |
164 | frame_pos: Vec::new(), | |
165 | } | |
166 | } | |
167 | } | |
168 | ||
169 | ||
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170 | pub struct BinkDemuxerCreator { } |
171 | ||
172 | impl DemuxerCreator for BinkDemuxerCreator { | |
173 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<DemuxCore<'a> + 'a> { | |
c6c21059 | 174 | Box::new(BinkDemuxer::new(br)) |
606c448e KS |
175 | } |
176 | fn get_name(&self) -> &'static str { "bink" } | |
177 | } | |
178 | ||
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179 | #[cfg(test)] |
180 | mod test { | |
181 | use super::*; | |
182 | use std::fs::File; | |
183 | ||
184 | #[test] | |
185 | fn test_bink_demux() { | |
186 | let mut file = File::open("assets/RAD/ActivisionLogo.bik").unwrap(); | |
187 | // let mut file = File::open("assets/RAD/original.bik").unwrap(); | |
188 | // let mut file = File::open("assets/RAD/Snd0a110c51.dee").unwrap(); | |
189 | // let mut file = File::open("assets/RAD/NEW.BIK").unwrap(); | |
190 | // let mut file = File::open("assets/RAD/ge_video_86l.bk2").unwrap(); | |
191 | let mut fr = FileReader::new_read(&mut file); | |
192 | let mut br = ByteReader::new(&mut fr); | |
193 | let mut dmx = BinkDemuxer::new(&mut br); | |
194 | let mut sm = StreamManager::new(); | |
195 | dmx.open(&mut sm).unwrap(); | |
196 | loop { | |
197 | let pktres = dmx.get_frame(&mut sm); | |
198 | if let Err(e) = pktres { | |
199 | if (e as i32) == (DemuxerError::EOF as i32) { break; } | |
200 | panic!("error"); | |
201 | } | |
202 | let pkt = pktres.unwrap(); | |
203 | println!("Got {}", pkt); | |
204 | } | |
205 | } | |
206 | } |