| 1 | use std::collections::HashMap; |
| 2 | use std::fmt; |
| 3 | use std::rc::Rc; |
| 4 | use std::cell::*; |
| 5 | use formats::*; |
| 6 | |
| 7 | #[allow(dead_code)] |
| 8 | #[derive(Clone,Copy,PartialEq)] |
| 9 | pub struct NAAudioInfo { |
| 10 | sample_rate: u32, |
| 11 | channels: u8, |
| 12 | format: NASoniton, |
| 13 | block_len: usize, |
| 14 | } |
| 15 | |
| 16 | impl NAAudioInfo { |
| 17 | pub fn new(sr: u32, ch: u8, fmt: NASoniton, bl: usize) -> Self { |
| 18 | NAAudioInfo { sample_rate: sr, channels: ch, format: fmt, block_len: bl } |
| 19 | } |
| 20 | pub fn get_sample_rate(&self) -> u32 { self.sample_rate } |
| 21 | pub fn get_channels(&self) -> u8 { self.channels } |
| 22 | pub fn get_format(&self) -> NASoniton { self.format } |
| 23 | pub fn get_block_len(&self) -> usize { self.block_len } |
| 24 | } |
| 25 | |
| 26 | impl fmt::Display for NAAudioInfo { |
| 27 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 28 | write!(f, "{} Hz, {} ch", self.sample_rate, self.channels) |
| 29 | } |
| 30 | } |
| 31 | |
| 32 | #[allow(dead_code)] |
| 33 | #[derive(Clone,Copy,PartialEq)] |
| 34 | pub struct NAVideoInfo { |
| 35 | width: usize, |
| 36 | height: usize, |
| 37 | flipped: bool, |
| 38 | format: NAPixelFormaton, |
| 39 | } |
| 40 | |
| 41 | impl NAVideoInfo { |
| 42 | pub fn new(w: usize, h: usize, flip: bool, fmt: NAPixelFormaton) -> Self { |
| 43 | NAVideoInfo { width: w, height: h, flipped: flip, format: fmt } |
| 44 | } |
| 45 | pub fn get_width(&self) -> usize { self.width as usize } |
| 46 | pub fn get_height(&self) -> usize { self.height as usize } |
| 47 | pub fn is_flipped(&self) -> bool { self.flipped } |
| 48 | pub fn get_format(&self) -> NAPixelFormaton { self.format } |
| 49 | } |
| 50 | |
| 51 | impl fmt::Display for NAVideoInfo { |
| 52 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 53 | write!(f, "{}x{}", self.width, self.height) |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | #[derive(Clone,Copy,PartialEq)] |
| 58 | pub enum NACodecTypeInfo { |
| 59 | None, |
| 60 | Audio(NAAudioInfo), |
| 61 | Video(NAVideoInfo), |
| 62 | } |
| 63 | |
| 64 | impl fmt::Display for NACodecTypeInfo { |
| 65 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 66 | let ret = match *self { |
| 67 | NACodecTypeInfo::None => format!(""), |
| 68 | NACodecTypeInfo::Audio(fmt) => format!("{}", fmt), |
| 69 | NACodecTypeInfo::Video(fmt) => format!("{}", fmt), |
| 70 | }; |
| 71 | write!(f, "{}", ret) |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | pub type BufferRef = Rc<RefCell<Vec<u8>>>; |
| 76 | |
| 77 | #[allow(dead_code)] |
| 78 | #[derive(Clone)] |
| 79 | pub struct NABuffer { |
| 80 | id: u64, |
| 81 | data: BufferRef, |
| 82 | } |
| 83 | |
| 84 | impl Drop for NABuffer { |
| 85 | fn drop(&mut self) { } |
| 86 | } |
| 87 | |
| 88 | impl NABuffer { |
| 89 | pub fn get_data(&self) -> Ref<Vec<u8>> { self.data.borrow() } |
| 90 | pub fn get_data_mut(&mut self) -> RefMut<Vec<u8>> { self.data.borrow_mut() } |
| 91 | } |
| 92 | |
| 93 | pub type NABufferRef = Rc<RefCell<NABuffer>>; |
| 94 | |
| 95 | #[allow(dead_code)] |
| 96 | #[derive(Clone)] |
| 97 | pub struct NACodecInfo { |
| 98 | name: &'static str, |
| 99 | properties: NACodecTypeInfo, |
| 100 | extradata: Option<Rc<Vec<u8>>>, |
| 101 | } |
| 102 | |
| 103 | impl NACodecInfo { |
| 104 | pub fn new(name: &'static str, p: NACodecTypeInfo, edata: Option<Vec<u8>>) -> Self { |
| 105 | let extradata = match edata { |
| 106 | None => None, |
| 107 | Some(vec) => Some(Rc::new(vec)), |
| 108 | }; |
| 109 | NACodecInfo { name: name, properties: p, extradata: extradata } |
| 110 | } |
| 111 | pub fn new_ref(name: &'static str, p: NACodecTypeInfo, edata: Option<Rc<Vec<u8>>>) -> Self { |
| 112 | NACodecInfo { name: name, properties: p, extradata: edata } |
| 113 | } |
| 114 | pub fn get_properties(&self) -> NACodecTypeInfo { self.properties } |
| 115 | pub fn get_extradata(&self) -> Option<Rc<Vec<u8>>> { |
| 116 | if let Some(ref vec) = self.extradata { return Some(vec.clone()); } |
| 117 | None |
| 118 | } |
| 119 | pub fn get_name(&self) -> &'static str { self.name } |
| 120 | pub fn is_video(&self) -> bool { |
| 121 | if let NACodecTypeInfo::Video(_) = self.properties { return true; } |
| 122 | false |
| 123 | } |
| 124 | pub fn is_audio(&self) -> bool { |
| 125 | if let NACodecTypeInfo::Audio(_) = self.properties { return true; } |
| 126 | false |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | impl fmt::Display for NACodecInfo { |
| 131 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 132 | let edata = match self.extradata.clone() { |
| 133 | None => format!("no extradata"), |
| 134 | Some(v) => format!("{} byte(s) of extradata", v.len()), |
| 135 | }; |
| 136 | write!(f, "{}: {} {}", self.name, self.properties, edata) |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | pub const DUMMY_CODEC_INFO: NACodecInfo = NACodecInfo { |
| 141 | name: "none", |
| 142 | properties: NACodecTypeInfo::None, |
| 143 | extradata: None }; |
| 144 | |
| 145 | fn alloc_video_buf(vinfo: NAVideoInfo, data: &mut Vec<u8>, offs: &mut Vec<usize>) { |
| 146 | //todo use overflow detection mul |
| 147 | let width = vinfo.width as usize; |
| 148 | let height = vinfo.height as usize; |
| 149 | let fmt = &vinfo.format; |
| 150 | let mut new_size = 0; |
| 151 | for i in 0..fmt.get_num_comp() { |
| 152 | let chr = fmt.get_chromaton(i).unwrap(); |
| 153 | if !vinfo.is_flipped() { |
| 154 | offs.push(new_size as usize); |
| 155 | } |
| 156 | new_size += chr.get_data_size(width, height); |
| 157 | if vinfo.is_flipped() { |
| 158 | offs.push(new_size as usize); |
| 159 | } |
| 160 | } |
| 161 | data.resize(new_size, 0); |
| 162 | } |
| 163 | |
| 164 | fn alloc_audio_buf(ainfo: NAAudioInfo, data: &mut Vec<u8>, offs: &mut Vec<usize>) { |
| 165 | //todo better alloc |
| 166 | let length = ((ainfo.sample_rate as usize) * (ainfo.format.get_bits() as usize)) >> 3; |
| 167 | let new_size: usize = length * (ainfo.channels as usize); |
| 168 | data.resize(new_size, 0); |
| 169 | for i in 0..ainfo.channels { |
| 170 | if ainfo.format.is_planar() { |
| 171 | offs.push((i as usize) * length); |
| 172 | } else { |
| 173 | offs.push(((i * ainfo.format.get_bits()) >> 3) as usize); |
| 174 | } |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | pub fn alloc_buf(info: &NACodecInfo) -> (NABufferRef, Vec<usize>) { |
| 179 | let mut data: Vec<u8> = Vec::new(); |
| 180 | let mut offs: Vec<usize> = Vec::new(); |
| 181 | match info.properties { |
| 182 | NACodecTypeInfo::Audio(ainfo) => alloc_audio_buf(ainfo, &mut data, &mut offs), |
| 183 | NACodecTypeInfo::Video(vinfo) => alloc_video_buf(vinfo, &mut data, &mut offs), |
| 184 | _ => (), |
| 185 | } |
| 186 | (Rc::new(RefCell::new(NABuffer { id: 0, data: Rc::new(RefCell::new(data)) })), offs) |
| 187 | } |
| 188 | |
| 189 | pub fn copy_buf(buf: &NABuffer) -> NABufferRef { |
| 190 | let mut data: Vec<u8> = Vec::new(); |
| 191 | data.clone_from(buf.get_data().as_ref()); |
| 192 | Rc::new(RefCell::new(NABuffer { id: 0, data: Rc::new(RefCell::new(data)) })) |
| 193 | } |
| 194 | |
| 195 | #[derive(Debug,Clone)] |
| 196 | pub enum NAValue { |
| 197 | None, |
| 198 | Int(i32), |
| 199 | Long(i64), |
| 200 | String(String), |
| 201 | Data(Rc<Vec<u8>>), |
| 202 | } |
| 203 | |
| 204 | #[derive(Debug,Clone,Copy,PartialEq)] |
| 205 | #[allow(dead_code)] |
| 206 | pub enum FrameType { |
| 207 | I, |
| 208 | P, |
| 209 | B, |
| 210 | Other, |
| 211 | } |
| 212 | |
| 213 | impl fmt::Display for FrameType { |
| 214 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 215 | match *self { |
| 216 | FrameType::I => write!(f, "I"), |
| 217 | FrameType::P => write!(f, "P"), |
| 218 | FrameType::B => write!(f, "B"), |
| 219 | FrameType::Other => write!(f, "x"), |
| 220 | } |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | #[allow(dead_code)] |
| 225 | #[derive(Clone)] |
| 226 | pub struct NAFrame { |
| 227 | pts: Option<u64>, |
| 228 | dts: Option<u64>, |
| 229 | duration: Option<u64>, |
| 230 | buffer: NABufferRef, |
| 231 | info: Rc<NACodecInfo>, |
| 232 | ftype: FrameType, |
| 233 | key: bool, |
| 234 | offsets: Vec<usize>, |
| 235 | options: HashMap<String, NAValue>, |
| 236 | } |
| 237 | |
| 238 | pub type NAFrameRef = Rc<RefCell<NAFrame>>; |
| 239 | |
| 240 | fn get_plane_size(info: &NAVideoInfo, idx: usize) -> (usize, usize) { |
| 241 | let chromaton = info.get_format().get_chromaton(idx); |
| 242 | if let None = chromaton { return (0, 0); } |
| 243 | let (hs, vs) = chromaton.unwrap().get_subsampling(); |
| 244 | let w = (info.get_width() + ((1 << hs) - 1)) >> hs; |
| 245 | let h = (info.get_height() + ((1 << vs) - 1)) >> vs; |
| 246 | (w, h) |
| 247 | } |
| 248 | |
| 249 | impl NAFrame { |
| 250 | pub fn new(pts: Option<u64>, |
| 251 | dts: Option<u64>, |
| 252 | duration: Option<u64>, |
| 253 | ftype: FrameType, |
| 254 | keyframe: bool, |
| 255 | info: Rc<NACodecInfo>, |
| 256 | options: HashMap<String, NAValue>) -> Self { |
| 257 | let (buf, offs) = alloc_buf(&info); |
| 258 | NAFrame { pts: pts, dts: dts, duration: duration, buffer: buf, offsets: offs, info: info, ftype: ftype, key: keyframe, options: options } |
| 259 | } |
| 260 | pub fn from_copy(src: &NAFrame) -> Self { |
| 261 | let buf = copy_buf(&src.get_buffer()); |
| 262 | let mut offs: Vec<usize> = Vec::new(); |
| 263 | offs.clone_from(&src.offsets); |
| 264 | NAFrame { pts: None, dts: None, duration: None, buffer: buf, offsets: offs, info: src.info.clone(), ftype: src.ftype, key: src.key, options: src.options.clone() } |
| 265 | } |
| 266 | pub fn from_ref(srcref: NAFrameRef) -> Self { |
| 267 | let src = srcref.borrow(); |
| 268 | let buf = copy_buf(&src.get_buffer()); |
| 269 | let mut offs: Vec<usize> = Vec::new(); |
| 270 | offs.clone_from(&src.offsets); |
| 271 | NAFrame { pts: None, dts: None, duration: None, buffer: buf, offsets: offs, info: src.info.clone(), ftype: src.ftype, key: src.key, options: src.options.clone() } |
| 272 | } |
| 273 | pub fn get_pts(&self) -> Option<u64> { self.pts } |
| 274 | pub fn get_dts(&self) -> Option<u64> { self.dts } |
| 275 | pub fn get_duration(&self) -> Option<u64> { self.duration } |
| 276 | pub fn get_frame_type(&self) -> FrameType { self.ftype } |
| 277 | pub fn is_keyframe(&self) -> bool { self.key } |
| 278 | pub fn set_pts(&mut self, pts: Option<u64>) { self.pts = pts; } |
| 279 | pub fn set_dts(&mut self, dts: Option<u64>) { self.dts = dts; } |
| 280 | pub fn set_duration(&mut self, dur: Option<u64>) { self.duration = dur; } |
| 281 | pub fn set_frame_type(&mut self, ftype: FrameType) { self.ftype = ftype; } |
| 282 | pub fn set_keyframe(&mut self, key: bool) { self.key = key; } |
| 283 | |
| 284 | pub fn get_offset(&self, idx: usize) -> usize { self.offsets[idx] } |
| 285 | pub fn get_buffer(&self) -> Ref<NABuffer> { self.buffer.borrow() } |
| 286 | pub fn get_buffer_mut(&mut self) -> RefMut<NABuffer> { self.buffer.borrow_mut() } |
| 287 | pub fn get_stride(&self, idx: usize) -> usize { |
| 288 | if let NACodecTypeInfo::Video(vinfo) = self.info.get_properties() { |
| 289 | if idx >= vinfo.get_format().get_num_comp() { return 0; } |
| 290 | vinfo.get_format().get_chromaton(idx).unwrap().get_linesize(vinfo.get_width()) |
| 291 | } else { |
| 292 | 0 |
| 293 | } |
| 294 | } |
| 295 | pub fn get_dimensions(&self, idx: usize) -> (usize, usize) { |
| 296 | match self.info.get_properties() { |
| 297 | NACodecTypeInfo::Video(ref vinfo) => get_plane_size(vinfo, idx), |
| 298 | _ => (0, 0), |
| 299 | } |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | impl fmt::Display for NAFrame { |
| 304 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 305 | let (w, h) = self.get_dimensions(0); |
| 306 | let mut foo = format!("frame type {} size {}x{}", self.ftype, w, h); |
| 307 | if let Some(pts) = self.pts { foo = format!("{} pts {}", foo, pts); } |
| 308 | if let Some(dts) = self.dts { foo = format!("{} dts {}", foo, dts); } |
| 309 | if let Some(dur) = self.duration { foo = format!("{} duration {}", foo, dur); } |
| 310 | if self.key { foo = format!("{} kf", foo); } |
| 311 | write!(f, "[{}]", foo) |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | /// Possible stream types. |
| 316 | #[derive(Debug,Clone,Copy)] |
| 317 | #[allow(dead_code)] |
| 318 | pub enum StreamType { |
| 319 | /// video stream |
| 320 | Video, |
| 321 | /// audio stream |
| 322 | Audio, |
| 323 | /// subtitles |
| 324 | Subtitles, |
| 325 | /// any data stream (or might be an unrecognized audio/video stream) |
| 326 | Data, |
| 327 | /// nonexistent stream |
| 328 | None, |
| 329 | } |
| 330 | |
| 331 | impl fmt::Display for StreamType { |
| 332 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 333 | match *self { |
| 334 | StreamType::Video => write!(f, "Video"), |
| 335 | StreamType::Audio => write!(f, "Audio"), |
| 336 | StreamType::Subtitles => write!(f, "Subtitles"), |
| 337 | StreamType::Data => write!(f, "Data"), |
| 338 | StreamType::None => write!(f, "-"), |
| 339 | } |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | #[allow(dead_code)] |
| 344 | #[derive(Clone)] |
| 345 | pub struct NAStream { |
| 346 | media_type: StreamType, |
| 347 | id: u32, |
| 348 | num: usize, |
| 349 | info: Rc<NACodecInfo>, |
| 350 | } |
| 351 | |
| 352 | impl NAStream { |
| 353 | pub fn new(mt: StreamType, id: u32, info: NACodecInfo) -> Self { |
| 354 | NAStream { media_type: mt, id: id, num: 0, info: Rc::new(info) } |
| 355 | } |
| 356 | pub fn get_id(&self) -> u32 { self.id } |
| 357 | pub fn get_num(&self) -> usize { self.num } |
| 358 | pub fn set_num(&mut self, num: usize) { self.num = num; } |
| 359 | pub fn get_info(&self) -> Rc<NACodecInfo> { self.info.clone() } |
| 360 | } |
| 361 | |
| 362 | impl fmt::Display for NAStream { |
| 363 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 364 | write!(f, "({}#{} - {})", self.media_type, self.id, self.info.get_properties()) |
| 365 | } |
| 366 | } |
| 367 | |
| 368 | #[allow(dead_code)] |
| 369 | pub struct NAPacket { |
| 370 | stream: Rc<NAStream>, |
| 371 | pts: Option<u64>, |
| 372 | dts: Option<u64>, |
| 373 | duration: Option<u64>, |
| 374 | buffer: Rc<Vec<u8>>, |
| 375 | keyframe: bool, |
| 376 | // options: HashMap<String, NAValue<'a>>, |
| 377 | } |
| 378 | |
| 379 | impl NAPacket { |
| 380 | pub fn new(str: Rc<NAStream>, pts: Option<u64>, dts: Option<u64>, dur: Option<u64>, kf: bool, vec: Vec<u8>) -> Self { |
| 381 | // let mut vec: Vec<u8> = Vec::new(); |
| 382 | // vec.resize(size, 0); |
| 383 | NAPacket { stream: str, pts: pts, dts: dts, duration: dur, keyframe: kf, buffer: Rc::new(vec) } |
| 384 | } |
| 385 | pub fn get_stream(&self) -> Rc<NAStream> { self.stream.clone() } |
| 386 | pub fn get_pts(&self) -> Option<u64> { self.pts } |
| 387 | pub fn get_dts(&self) -> Option<u64> { self.dts } |
| 388 | pub fn get_duration(&self) -> Option<u64> { self.duration } |
| 389 | pub fn is_keyframe(&self) -> bool { self.keyframe } |
| 390 | pub fn get_buffer(&self) -> Rc<Vec<u8>> { self.buffer.clone() } |
| 391 | } |
| 392 | |
| 393 | impl Drop for NAPacket { |
| 394 | fn drop(&mut self) {} |
| 395 | } |
| 396 | |
| 397 | impl fmt::Display for NAPacket { |
| 398 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 399 | let mut foo = format!("[pkt for {} size {}", self.stream, self.buffer.len()); |
| 400 | if let Some(pts) = self.pts { foo = format!("{} pts {}", foo, pts); } |
| 401 | if let Some(dts) = self.dts { foo = format!("{} dts {}", foo, dts); } |
| 402 | if let Some(dur) = self.duration { foo = format!("{} duration {}", foo, dur); } |
| 403 | if self.keyframe { foo = format!("{} kf", foo); } |
| 404 | foo = foo + "]"; |
| 405 | write!(f, "{}", foo) |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | pub trait FrameFromPacket { |
| 410 | fn new_from_pkt(pkt: &NAPacket, info: Rc<NACodecInfo>) -> NAFrame; |
| 411 | fn fill_timestamps(&mut self, pkt: &NAPacket); |
| 412 | } |
| 413 | |
| 414 | impl FrameFromPacket for NAFrame { |
| 415 | fn new_from_pkt(pkt: &NAPacket, info: Rc<NACodecInfo>) -> NAFrame { |
| 416 | NAFrame::new(pkt.pts, pkt.dts, pkt.duration, FrameType::Other, pkt.keyframe, info, HashMap::new()) |
| 417 | } |
| 418 | fn fill_timestamps(&mut self, pkt: &NAPacket) { |
| 419 | self.set_pts(pkt.pts); |
| 420 | self.set_dts(pkt.dts); |
| 421 | self.set_duration(pkt.duration); |
| 422 | } |
| 423 | } |
| 424 | |