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1 | use nihav_core::muxers::*; | |
2 | use std::collections::VecDeque; | |
3 | ||
4 | const ASSEMBLE_DEPTH: usize = 32; | |
5 | ||
6 | struct BinkMuxer<'a> { | |
7 | bw: &'a mut ByteWriter<'a>, | |
8 | naudio: usize, | |
9 | maxsize: u32, | |
10 | nframes: usize, | |
11 | index: Vec<u32>, | |
12 | index_start: u64, | |
13 | data_start: u64, | |
14 | ||
15 | video_parts: VecDeque<(NABufferRef<Vec<u8>>, bool)>, | |
16 | audio_parts: Vec<VecDeque<NABufferRef<Vec<u8>>>>, | |
17 | alen: Vec<u32>, | |
18 | } | |
19 | ||
20 | impl<'a> BinkMuxer<'a> { | |
21 | fn new(bw: &'a mut ByteWriter<'a>) -> Self { | |
22 | Self { | |
23 | bw, | |
24 | naudio: 0, | |
25 | maxsize: 0, | |
26 | nframes: 0, | |
27 | index: Vec::new(), | |
28 | index_start: 0, | |
29 | data_start: 0, | |
30 | ||
31 | video_parts: VecDeque::with_capacity(ASSEMBLE_DEPTH), | |
32 | audio_parts: Vec::new(), | |
33 | alen: Vec::new(), | |
34 | } | |
35 | } | |
36 | fn write_frame(&mut self, flush: bool) -> MuxerResult<bool> { | |
37 | if self.video_parts.is_empty() { | |
38 | return Ok(false); | |
39 | } | |
40 | let has_audio = flush || self.audio_parts.iter().fold(true, |acc, apart| acc & !apart.is_empty()); | |
41 | ||
42 | if !has_audio { | |
43 | return Ok(false); | |
44 | } | |
45 | ||
46 | let (vbuf, kf) = self.video_parts.pop_front().unwrap(); | |
47 | ||
48 | let start = self.bw.tell(); | |
49 | ||
50 | for (apart, maxalen) in self.audio_parts.iter_mut().zip(self.alen.iter_mut()) { | |
51 | if let Some(buf) = apart.pop_front() { | |
52 | validate!(buf.len() > 4); | |
53 | let alen = read_u32le(&buf)?; | |
54 | *maxalen = (*maxalen).max(alen); | |
55 | self.bw.write_u32le(buf.len() as u32)?; | |
56 | self.bw.write_buf(&buf)?; | |
57 | } else { | |
58 | self.bw.write_u32le(0)?; | |
59 | } | |
60 | } | |
61 | self.bw.write_buf(&vbuf)?; | |
62 | if (self.bw.tell() & 1) != 0 { | |
63 | self.bw.write_byte(0)?; // padding | |
64 | } | |
65 | let frame_size = (self.bw.tell() - start) as u32; | |
66 | self.maxsize = self.maxsize.max(frame_size); | |
67 | let mut ix = start as u32; | |
68 | if kf { | |
69 | ix |= 1; | |
70 | } | |
71 | self.index.push(ix); | |
72 | ||
73 | Ok(true) | |
74 | } | |
75 | } | |
76 | ||
77 | impl<'a> MuxCore<'a> for BinkMuxer<'a> { | |
78 | fn create(&mut self, strmgr: &StreamManager) -> MuxerResult<()> { | |
79 | if strmgr.get_num_streams() == 0 { | |
80 | return Err(MuxerError::InvalidArgument); | |
81 | } | |
82 | if strmgr.get_num_streams() > 257 { | |
83 | return Err(MuxerError::UnsupportedFormat); | |
84 | } | |
85 | let vstream = strmgr.get_stream(0).unwrap(); | |
86 | if vstream.get_media_type() != StreamType::Video { | |
87 | println!("bink: first stream must be video"); | |
88 | return Err(MuxerError::UnsupportedFormat); | |
89 | } | |
90 | let info = vstream.get_info(); | |
91 | if !matches!(info.get_name(), "bink-video" | "bink2-video") { | |
92 | return Err(MuxerError::UnsupportedFormat); | |
93 | } | |
94 | for strm in strmgr.iter().skip(1) { | |
95 | if strm.get_media_type() == StreamType::Audio { | |
96 | if !matches!(strm.get_info().get_name(), "bink-audio-dct" | "bink-audio-rdft") { | |
97 | return Err(MuxerError::UnsupportedFormat); | |
98 | } | |
99 | self.naudio += 1; | |
100 | } else { | |
101 | return Err(MuxerError::UnsupportedFormat); | |
102 | } | |
103 | } | |
104 | ||
105 | //todo determine nframes properly | |
106 | self.nframes = vstream.get_duration() as usize; | |
107 | if self.nframes == 0 { | |
108 | println!("Cannot create Bink file with an undefined number of frames\n"); | |
109 | return Err(MuxerError::NotImplemented); | |
110 | } | |
111 | ||
112 | // video header | |
113 | if let Some(edata) = info.get_extradata() { | |
114 | let vinfo = info.get_properties().get_video_info().unwrap(); | |
115 | validate!(edata.len() >= 8); | |
116 | self.bw.write_buf(&edata[..4])?; | |
117 | self.bw.write_u32le(0)?; // file size | |
118 | self.bw.write_u32le(0)?; // number of frames | |
119 | self.bw.write_u32le(0)?; // largest frame size | |
120 | self.bw.write_u32le(0)?; // number of frames again | |
121 | self.bw.write_u32le(vinfo.width as u32)?; | |
122 | self.bw.write_u32le(vinfo.height as u32)?; | |
123 | self.bw.write_u32le(vstream.tb_den)?; | |
124 | self.bw.write_u32le(vstream.tb_num)?; | |
125 | self.bw.write_buf(&edata[4..8])?; | |
126 | } else { | |
127 | return Err(MuxerError::UnsupportedFormat); | |
128 | } | |
129 | ||
130 | // audio header | |
131 | self.bw.write_u32le(self.naudio as u32)?; | |
132 | //xxx: some KB2 field | |
133 | for _ in 0..self.naudio { | |
134 | self.bw.write_u32le(0)?; // max audio frame duration | |
135 | } | |
136 | for astrm in strmgr.iter().skip(1) { | |
137 | let info = astrm.get_info(); | |
138 | let ainfo = info.get_properties().get_audio_info().unwrap(); | |
139 | self.bw.write_u24le(ainfo.sample_rate)?; | |
140 | let mut flags = 0; | |
141 | if info.get_name() == "bink-audio-dct" { | |
142 | flags |= 0x10; | |
143 | flags |= 0x40; | |
144 | } | |
145 | if info.get_name() == "bink-audio-rdft" { | |
146 | flags |= 0x80; | |
147 | } | |
148 | if ainfo.channels == 2 { | |
149 | flags |= 0x20; | |
150 | } | |
151 | self.bw.write_byte(flags)?; | |
152 | } | |
153 | for i in 0..self.naudio { | |
154 | self.bw.write_u32le(i as u32)?; | |
155 | } | |
156 | ||
157 | for _ in 0..self.naudio { | |
158 | self.audio_parts.push(VecDeque::with_capacity(ASSEMBLE_DEPTH)); | |
159 | self.alen.push(0); | |
160 | } | |
161 | ||
162 | self.index_start = self.bw.tell(); | |
163 | for _ in 0..=self.nframes { | |
164 | self.bw.write_u32le(0)?; | |
165 | } | |
166 | ||
167 | self.data_start = self.bw.tell(); | |
168 | ||
169 | Ok(()) | |
170 | } | |
171 | fn mux_frame(&mut self, _strmgr: &StreamManager, pkt: NAPacket) -> MuxerResult<()> { | |
172 | if self.data_start == 0 { | |
173 | return Err(MuxerError::NotCreated); | |
174 | } | |
175 | let stream = pkt.get_stream(); | |
176 | let str_num = stream.get_num(); | |
177 | let src = pkt.get_buffer(); | |
178 | if str_num == 0 { // video | |
179 | self.video_parts.push_back((src, pkt.is_keyframe())); | |
180 | if self.video_parts.len() >= ASSEMBLE_DEPTH { | |
181 | while self.write_frame(false)? { | |
182 | } | |
183 | } | |
184 | if self.video_parts.len() >= ASSEMBLE_DEPTH { | |
185 | self.write_frame(true)?; | |
186 | } | |
187 | } else { | |
188 | self.audio_parts[str_num - 1].push_back(src); | |
189 | } | |
190 | ||
191 | Ok(()) | |
192 | } | |
193 | fn flush(&mut self) -> MuxerResult<()> { | |
194 | Ok(()) | |
195 | } | |
196 | fn end(&mut self) -> MuxerResult<()> { | |
197 | while self.write_frame(true)? { | |
198 | } | |
199 | ||
200 | let full_size = self.bw.tell(); | |
201 | ||
202 | //xxx: if index.len() <= nframes move data back and patch index and full_size | |
203 | ||
204 | self.index.push(self.bw.tell() as u32); | |
205 | ||
206 | self.bw.seek(SeekFrom::Start(4))?; | |
207 | self.bw.write_u32le((full_size - 8) as u32)?; | |
208 | self.bw.write_u32le(self.index.len() as u32 - 1)?; | |
209 | self.bw.write_u32le(self.maxsize)?; | |
210 | self.bw.write_u32le(self.index.len() as u32 - 1)?; | |
211 | ||
212 | self.bw.seek(SeekFrom::Start(44))?; //xxx: or 48 for Bink2 | |
213 | for &alen in self.alen.iter() { | |
214 | self.bw.write_u32le(alen)?; | |
215 | } | |
216 | ||
217 | self.bw.seek(SeekFrom::Start(self.index_start))?; | |
218 | for &idx in self.index.iter() { | |
219 | self.bw.write_u32le(idx)?; | |
220 | } | |
221 | Ok(()) | |
222 | } | |
223 | } | |
224 | ||
225 | impl<'a> NAOptionHandler for BinkMuxer<'a> { | |
226 | fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] } | |
227 | fn set_options(&mut self, _options: &[NAOption]) { } | |
228 | fn query_option_value(&self, _name: &str) -> Option<NAValue> { None } | |
229 | } | |
230 | ||
231 | pub struct BinkMuxerCreator {} | |
232 | ||
233 | impl MuxerCreator for BinkMuxerCreator { | |
234 | fn new_muxer<'a>(&self, bw: &'a mut ByteWriter<'a>) -> Box<dyn MuxCore<'a> + 'a> { | |
235 | Box::new(BinkMuxer::new(bw)) | |
236 | } | |
237 | fn get_name(&self) -> &'static str { "bink" } | |
238 | fn get_capabilities(&self) -> MuxerCapabilities { MuxerCapabilities::Universal } | |
239 | } | |
240 | ||
241 | #[cfg(test)] | |
242 | mod test { | |
243 | use nihav_core::codecs::*; | |
244 | use nihav_core::demuxers::*; | |
245 | use nihav_core::muxers::*; | |
246 | use nihav_codec_support::test::enc_video::*; | |
247 | use crate::*; | |
248 | ||
249 | #[test] | |
250 | fn test_bink_muxer() { | |
251 | let mut dmx_reg = RegisteredDemuxers::new(); | |
252 | rad_register_all_demuxers(&mut dmx_reg); | |
253 | //test sample: https://samples.mplayerhq.hu/game-formats/bink/ActivisionLogo | |
254 | let dec_config = DecoderTestParams { | |
255 | demuxer: "bink", | |
256 | in_name: "assets/RAD/ActivisionLogo.bik", | |
257 | limit: None, | |
258 | stream_type: StreamType::None, | |
259 | dmx_reg, dec_reg: RegisteredDecoders::new(), | |
260 | }; | |
261 | let mut mux_reg = RegisteredMuxers::new(); | |
262 | rad_register_all_muxers(&mut mux_reg); | |
263 | /*let enc_config = EncoderTestParams { | |
264 | muxer: "bink", | |
265 | enc_name: "", | |
266 | out_name: "muxed.bink", | |
267 | mux_reg, enc_reg: RegisteredEncoders::new(), | |
268 | }; | |
269 | test_remuxing(&dec_config, &enc_config);*/ | |
270 | test_remuxing_md5(&dec_config, "bink", &mux_reg, | |
271 | [0x98e1892c, 0xcac2f087, 0x7350256e, 0xc71c927a]); | |
272 | } | |
273 | } |