| 1 | use std::cmp::max; |
| 2 | use std::collections::HashMap; |
| 3 | use std::fmt; |
| 4 | use std::rc::Rc; |
| 5 | use std::cell::*; |
| 6 | use formats::*; |
| 7 | |
| 8 | #[allow(dead_code)] |
| 9 | #[derive(Clone,Copy,PartialEq)] |
| 10 | pub struct NAAudioInfo { |
| 11 | sample_rate: u32, |
| 12 | channels: u8, |
| 13 | format: NASoniton, |
| 14 | block_len: usize, |
| 15 | } |
| 16 | |
| 17 | impl NAAudioInfo { |
| 18 | pub fn new(sr: u32, ch: u8, fmt: NASoniton, bl: usize) -> Self { |
| 19 | NAAudioInfo { sample_rate: sr, channels: ch, format: fmt, block_len: bl } |
| 20 | } |
| 21 | pub fn get_sample_rate(&self) -> u32 { self.sample_rate } |
| 22 | pub fn get_channels(&self) -> u8 { self.channels } |
| 23 | pub fn get_format(&self) -> NASoniton { self.format } |
| 24 | pub fn get_block_len(&self) -> usize { self.block_len } |
| 25 | } |
| 26 | |
| 27 | impl fmt::Display for NAAudioInfo { |
| 28 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 29 | write!(f, "{} Hz, {} ch", self.sample_rate, self.channels) |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | #[allow(dead_code)] |
| 34 | #[derive(Clone,Copy,PartialEq)] |
| 35 | pub struct NAVideoInfo { |
| 36 | width: usize, |
| 37 | height: usize, |
| 38 | flipped: bool, |
| 39 | format: NAPixelFormaton, |
| 40 | } |
| 41 | |
| 42 | impl NAVideoInfo { |
| 43 | pub fn new(w: usize, h: usize, flip: bool, fmt: NAPixelFormaton) -> Self { |
| 44 | NAVideoInfo { width: w, height: h, flipped: flip, format: fmt } |
| 45 | } |
| 46 | pub fn get_width(&self) -> usize { self.width as usize } |
| 47 | pub fn get_height(&self) -> usize { self.height as usize } |
| 48 | pub fn is_flipped(&self) -> bool { self.flipped } |
| 49 | pub fn get_format(&self) -> NAPixelFormaton { self.format } |
| 50 | } |
| 51 | |
| 52 | impl fmt::Display for NAVideoInfo { |
| 53 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 54 | write!(f, "{}x{}", self.width, self.height) |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | #[derive(Clone,Copy,PartialEq)] |
| 59 | pub enum NACodecTypeInfo { |
| 60 | None, |
| 61 | Audio(NAAudioInfo), |
| 62 | Video(NAVideoInfo), |
| 63 | } |
| 64 | |
| 65 | impl NACodecTypeInfo { |
| 66 | pub fn get_video_info(&self) -> Option<NAVideoInfo> { |
| 67 | match *self { |
| 68 | NACodecTypeInfo::Video(vinfo) => Some(vinfo), |
| 69 | _ => None, |
| 70 | } |
| 71 | } |
| 72 | pub fn get_audio_info(&self) -> Option<NAAudioInfo> { |
| 73 | match *self { |
| 74 | NACodecTypeInfo::Audio(ainfo) => Some(ainfo), |
| 75 | _ => None, |
| 76 | } |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | impl fmt::Display for NACodecTypeInfo { |
| 81 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 82 | let ret = match *self { |
| 83 | NACodecTypeInfo::None => format!(""), |
| 84 | NACodecTypeInfo::Audio(fmt) => format!("{}", fmt), |
| 85 | NACodecTypeInfo::Video(fmt) => format!("{}", fmt), |
| 86 | }; |
| 87 | write!(f, "{}", ret) |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | pub type BufferRef = Rc<RefCell<Vec<u8>>>; |
| 92 | |
| 93 | pub type NABufferRefT<T> = Rc<RefCell<Vec<T>>>; |
| 94 | |
| 95 | #[derive(Clone)] |
| 96 | pub struct NAVideoBuffer<T> { |
| 97 | info: NAVideoInfo, |
| 98 | data: NABufferRefT<T>, |
| 99 | offs: Vec<usize>, |
| 100 | } |
| 101 | |
| 102 | impl<T: Clone> NAVideoBuffer<T> { |
| 103 | pub fn get_offset(&self, idx: usize) -> usize { |
| 104 | if idx >= self.offs.len() { 0 } |
| 105 | else { self.offs[idx] } |
| 106 | } |
| 107 | pub fn get_info(&self) -> NAVideoInfo { self.info } |
| 108 | pub fn get_data(&self) -> Ref<Vec<T>> { self.data.borrow() } |
| 109 | pub fn get_data_mut(&mut self) -> RefMut<Vec<T>> { self.data.borrow_mut() } |
| 110 | pub fn copy_buffer(&mut self) -> Self { |
| 111 | let mut data: Vec<T> = Vec::with_capacity(self.data.borrow().len()); |
| 112 | data.clone_from(self.data.borrow().as_ref()); |
| 113 | let mut offs: Vec<usize> = Vec::with_capacity(self.offs.len()); |
| 114 | offs.clone_from(&self.offs); |
| 115 | NAVideoBuffer { info: self.info, data: Rc::new(RefCell::new(data)), offs: offs } |
| 116 | } |
| 117 | pub fn get_stride(&self, idx: usize) -> usize { |
| 118 | if idx >= self.info.get_format().get_num_comp() { return 0; } |
| 119 | self.info.get_format().get_chromaton(idx).unwrap().get_linesize(self.info.get_width()) |
| 120 | } |
| 121 | pub fn get_dimensions(&self, idx: usize) -> (usize, usize) { |
| 122 | get_plane_size(&self.info, idx) |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | #[derive(Clone)] |
| 127 | pub struct NAAudioBuffer<T> { |
| 128 | info: NAAudioInfo, |
| 129 | data: NABufferRefT<T>, |
| 130 | offs: Vec<usize>, |
| 131 | chmap: NAChannelMap, |
| 132 | } |
| 133 | |
| 134 | impl<T: Clone> NAAudioBuffer<T> { |
| 135 | pub fn get_offset(&self, idx: usize) -> usize { |
| 136 | if idx >= self.offs.len() { 0 } |
| 137 | else { self.offs[idx] } |
| 138 | } |
| 139 | pub fn get_info(&self) -> NAAudioInfo { self.info } |
| 140 | pub fn get_chmap(&self) -> NAChannelMap { self.chmap.clone() } |
| 141 | pub fn get_data(&self) -> Ref<Vec<T>> { self.data.borrow() } |
| 142 | pub fn get_data_mut(&mut self) -> RefMut<Vec<T>> { self.data.borrow_mut() } |
| 143 | pub fn copy_buffer(&mut self) -> Self { |
| 144 | let mut data: Vec<T> = Vec::with_capacity(self.data.borrow().len()); |
| 145 | data.clone_from(self.data.borrow().as_ref()); |
| 146 | let mut offs: Vec<usize> = Vec::with_capacity(self.offs.len()); |
| 147 | offs.clone_from(&self.offs); |
| 148 | NAAudioBuffer { info: self.info, data: Rc::new(RefCell::new(data)), offs: offs, chmap: self.get_chmap() } |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | #[derive(Clone)] |
| 153 | pub enum NABufferType { |
| 154 | Video (NAVideoBuffer<u8>), |
| 155 | Video16 (NAVideoBuffer<u16>), |
| 156 | VideoPacked(NAVideoBuffer<u8>), |
| 157 | AudioU8 (NAAudioBuffer<u8>), |
| 158 | AudioI16 (NAAudioBuffer<i16>), |
| 159 | AudioF32 (NAAudioBuffer<f32>), |
| 160 | AudioPacked(NAAudioBuffer<u8>), |
| 161 | Data (NABufferRefT<u8>), |
| 162 | None, |
| 163 | } |
| 164 | |
| 165 | impl NABufferType { |
| 166 | pub fn get_offset(&self, idx: usize) -> usize { |
| 167 | match *self { |
| 168 | NABufferType::Video(ref vb) => vb.get_offset(idx), |
| 169 | NABufferType::Video16(ref vb) => vb.get_offset(idx), |
| 170 | NABufferType::VideoPacked(ref vb) => vb.get_offset(idx), |
| 171 | NABufferType::AudioU8(ref ab) => ab.get_offset(idx), |
| 172 | NABufferType::AudioI16(ref ab) => ab.get_offset(idx), |
| 173 | NABufferType::AudioF32(ref ab) => ab.get_offset(idx), |
| 174 | NABufferType::AudioPacked(ref ab) => ab.get_offset(idx), |
| 175 | _ => 0, |
| 176 | } |
| 177 | } |
| 178 | pub fn get_vbuf(&mut self) -> Option<NAVideoBuffer<u8>> { |
| 179 | match *self { |
| 180 | NABufferType::Video(ref vb) => Some(vb.clone()), |
| 181 | _ => None, |
| 182 | } |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | #[derive(Debug,Clone,Copy,PartialEq)] |
| 187 | pub enum AllocatorError { |
| 188 | TooLargeDimensions, |
| 189 | FormatError, |
| 190 | } |
| 191 | |
| 192 | pub fn alloc_video_buffer(vinfo: NAVideoInfo, align: u8) -> Result<NABufferType, AllocatorError> { |
| 193 | let fmt = &vinfo.format; |
| 194 | let mut new_size: usize = 0; |
| 195 | let mut offs: Vec<usize> = Vec::new(); |
| 196 | |
| 197 | for i in 0..fmt.get_num_comp() { |
| 198 | if fmt.get_chromaton(i) == None { return Err(AllocatorError::FormatError); } |
| 199 | } |
| 200 | |
| 201 | let align_mod = ((1 << align) as usize) - 1; |
| 202 | let width = ((vinfo.width as usize) + align_mod) & !align_mod; |
| 203 | let height = ((vinfo.height as usize) + align_mod) & !align_mod; |
| 204 | let mut max_depth = 0; |
| 205 | let mut all_packed = true; |
| 206 | for i in 0..fmt.get_num_comp() { |
| 207 | let chr = fmt.get_chromaton(i).unwrap(); |
| 208 | if !chr.is_packed() { |
| 209 | all_packed = false; |
| 210 | break; |
| 211 | } |
| 212 | max_depth = max(max_depth, chr.get_depth()); |
| 213 | } |
| 214 | |
| 215 | //todo semi-packed like NV12 |
| 216 | if !all_packed { |
| 217 | for i in 0..fmt.get_num_comp() { |
| 218 | let chr = fmt.get_chromaton(i).unwrap(); |
| 219 | if !vinfo.is_flipped() { |
| 220 | offs.push(new_size as usize); |
| 221 | } |
| 222 | let cur_w = chr.get_width(width); |
| 223 | let cur_h = chr.get_height(height); |
| 224 | let cur_sz = cur_w.checked_mul(cur_h); |
| 225 | if cur_sz == None { return Err(AllocatorError::TooLargeDimensions); } |
| 226 | let new_sz = new_size.checked_add(cur_sz.unwrap()); |
| 227 | if new_sz == None { return Err(AllocatorError::TooLargeDimensions); } |
| 228 | new_size = new_sz.unwrap(); |
| 229 | if vinfo.is_flipped() { |
| 230 | offs.push(new_size as usize); |
| 231 | } |
| 232 | } |
| 233 | if max_depth <= 8 { |
| 234 | let mut data: Vec<u8> = Vec::with_capacity(new_size); |
| 235 | data.resize(new_size, 0); |
| 236 | let buf: NAVideoBuffer<u8> = NAVideoBuffer { data: Rc::new(RefCell::new(data)), info: vinfo, offs: offs }; |
| 237 | Ok(NABufferType::Video(buf)) |
| 238 | } else { |
| 239 | let mut data: Vec<u16> = Vec::with_capacity(new_size); |
| 240 | data.resize(new_size, 0); |
| 241 | let buf: NAVideoBuffer<u16> = NAVideoBuffer { data: Rc::new(RefCell::new(data)), info: vinfo, offs: offs }; |
| 242 | Ok(NABufferType::Video16(buf)) |
| 243 | } |
| 244 | } else { |
| 245 | let elem_sz = fmt.get_elem_size(); |
| 246 | let line_sz = width.checked_mul(elem_sz as usize); |
| 247 | if line_sz == None { return Err(AllocatorError::TooLargeDimensions); } |
| 248 | let new_sz = line_sz.unwrap().checked_mul(height); |
| 249 | if new_sz == None { return Err(AllocatorError::TooLargeDimensions); } |
| 250 | new_size = new_sz.unwrap(); |
| 251 | let mut data: Vec<u8> = Vec::with_capacity(new_size); |
| 252 | data.resize(new_size, 0); |
| 253 | let buf: NAVideoBuffer<u8> = NAVideoBuffer { data: Rc::new(RefCell::new(data)), info: vinfo, offs: offs }; |
| 254 | Ok(NABufferType::VideoPacked(buf)) |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | pub fn alloc_audio_buffer(ainfo: NAAudioInfo, nsamples: usize, chmap: NAChannelMap) -> Result<NABufferType, AllocatorError> { |
| 259 | let mut offs: Vec<usize> = Vec::new(); |
| 260 | if ainfo.format.is_planar() { |
| 261 | let len = nsamples.checked_mul(ainfo.channels as usize); |
| 262 | if len == None { return Err(AllocatorError::TooLargeDimensions); } |
| 263 | let length = len.unwrap(); |
| 264 | for i in 0..ainfo.channels { |
| 265 | offs.push((i as usize) * nsamples); |
| 266 | } |
| 267 | if ainfo.format.is_float() { |
| 268 | if ainfo.format.get_bits() == 32 { |
| 269 | let mut data: Vec<f32> = Vec::with_capacity(length); |
| 270 | data.resize(length, 0.0); |
| 271 | let buf: NAAudioBuffer<f32> = NAAudioBuffer { data: Rc::new(RefCell::new(data)), info: ainfo, offs: offs, chmap: chmap }; |
| 272 | Ok(NABufferType::AudioF32(buf)) |
| 273 | } else { |
| 274 | Err(AllocatorError::TooLargeDimensions) |
| 275 | } |
| 276 | } else { |
| 277 | if ainfo.format.get_bits() == 8 && !ainfo.format.is_signed() { |
| 278 | let mut data: Vec<u8> = Vec::with_capacity(length); |
| 279 | data.resize(length, 0); |
| 280 | let buf: NAAudioBuffer<u8> = NAAudioBuffer { data: Rc::new(RefCell::new(data)), info: ainfo, offs: offs, chmap: chmap }; |
| 281 | Ok(NABufferType::AudioU8(buf)) |
| 282 | } else if ainfo.format.get_bits() == 16 && ainfo.format.is_signed() { |
| 283 | let mut data: Vec<i16> = Vec::with_capacity(length); |
| 284 | data.resize(length, 0); |
| 285 | let buf: NAAudioBuffer<i16> = NAAudioBuffer { data: Rc::new(RefCell::new(data)), info: ainfo, offs: offs, chmap: chmap }; |
| 286 | Ok(NABufferType::AudioI16(buf)) |
| 287 | } else { |
| 288 | Err(AllocatorError::TooLargeDimensions) |
| 289 | } |
| 290 | } |
| 291 | } else { |
| 292 | let len = nsamples.checked_mul(ainfo.channels as usize); |
| 293 | if len == None { return Err(AllocatorError::TooLargeDimensions); } |
| 294 | let length = ainfo.format.get_audio_size(len.unwrap() as u64); |
| 295 | let mut data: Vec<u8> = Vec::with_capacity(length); |
| 296 | data.resize(length, 0); |
| 297 | let buf: NAAudioBuffer<u8> = NAAudioBuffer { data: Rc::new(RefCell::new(data)), info: ainfo, offs: offs, chmap: chmap }; |
| 298 | Ok(NABufferType::AudioPacked(buf)) |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | pub fn alloc_data_buffer(size: usize) -> Result<NABufferType, AllocatorError> { |
| 303 | let mut data: Vec<u8> = Vec::with_capacity(size); |
| 304 | data.resize(size, 0); |
| 305 | let buf: NABufferRefT<u8> = Rc::new(RefCell::new(data)); |
| 306 | Ok(NABufferType::Data(buf)) |
| 307 | } |
| 308 | |
| 309 | pub fn copy_buffer(buf: NABufferType) -> NABufferType { |
| 310 | buf.clone() |
| 311 | } |
| 312 | |
| 313 | #[allow(dead_code)] |
| 314 | #[derive(Clone)] |
| 315 | pub struct NACodecInfo { |
| 316 | name: &'static str, |
| 317 | properties: NACodecTypeInfo, |
| 318 | extradata: Option<Rc<Vec<u8>>>, |
| 319 | } |
| 320 | |
| 321 | impl NACodecInfo { |
| 322 | pub fn new(name: &'static str, p: NACodecTypeInfo, edata: Option<Vec<u8>>) -> Self { |
| 323 | let extradata = match edata { |
| 324 | None => None, |
| 325 | Some(vec) => Some(Rc::new(vec)), |
| 326 | }; |
| 327 | NACodecInfo { name: name, properties: p, extradata: extradata } |
| 328 | } |
| 329 | pub fn new_ref(name: &'static str, p: NACodecTypeInfo, edata: Option<Rc<Vec<u8>>>) -> Self { |
| 330 | NACodecInfo { name: name, properties: p, extradata: edata } |
| 331 | } |
| 332 | pub fn get_properties(&self) -> NACodecTypeInfo { self.properties } |
| 333 | pub fn get_extradata(&self) -> Option<Rc<Vec<u8>>> { |
| 334 | if let Some(ref vec) = self.extradata { return Some(vec.clone()); } |
| 335 | None |
| 336 | } |
| 337 | pub fn get_name(&self) -> &'static str { self.name } |
| 338 | pub fn is_video(&self) -> bool { |
| 339 | if let NACodecTypeInfo::Video(_) = self.properties { return true; } |
| 340 | false |
| 341 | } |
| 342 | pub fn is_audio(&self) -> bool { |
| 343 | if let NACodecTypeInfo::Audio(_) = self.properties { return true; } |
| 344 | false |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | impl fmt::Display for NACodecInfo { |
| 349 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 350 | let edata = match self.extradata.clone() { |
| 351 | None => format!("no extradata"), |
| 352 | Some(v) => format!("{} byte(s) of extradata", v.len()), |
| 353 | }; |
| 354 | write!(f, "{}: {} {}", self.name, self.properties, edata) |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | pub const DUMMY_CODEC_INFO: NACodecInfo = NACodecInfo { |
| 359 | name: "none", |
| 360 | properties: NACodecTypeInfo::None, |
| 361 | extradata: None }; |
| 362 | |
| 363 | #[derive(Debug,Clone)] |
| 364 | pub enum NAValue { |
| 365 | None, |
| 366 | Int(i32), |
| 367 | Long(i64), |
| 368 | String(String), |
| 369 | Data(Rc<Vec<u8>>), |
| 370 | } |
| 371 | |
| 372 | #[derive(Debug,Clone,Copy,PartialEq)] |
| 373 | #[allow(dead_code)] |
| 374 | pub enum FrameType { |
| 375 | I, |
| 376 | P, |
| 377 | B, |
| 378 | Other, |
| 379 | } |
| 380 | |
| 381 | impl fmt::Display for FrameType { |
| 382 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 383 | match *self { |
| 384 | FrameType::I => write!(f, "I"), |
| 385 | FrameType::P => write!(f, "P"), |
| 386 | FrameType::B => write!(f, "B"), |
| 387 | FrameType::Other => write!(f, "x"), |
| 388 | } |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | #[derive(Debug,Clone,Copy)] |
| 393 | pub struct NATimeInfo { |
| 394 | pts: Option<u64>, |
| 395 | dts: Option<u64>, |
| 396 | duration: Option<u64>, |
| 397 | tb_num: u32, |
| 398 | tb_den: u32, |
| 399 | } |
| 400 | |
| 401 | impl NATimeInfo { |
| 402 | pub fn new(pts: Option<u64>, dts: Option<u64>, duration: Option<u64>, tb_num: u32, tb_den: u32) -> Self { |
| 403 | NATimeInfo { pts: pts, dts: dts, duration: duration, tb_num: tb_num, tb_den: tb_den } |
| 404 | } |
| 405 | pub fn get_pts(&self) -> Option<u64> { self.pts } |
| 406 | pub fn get_dts(&self) -> Option<u64> { self.dts } |
| 407 | pub fn get_duration(&self) -> Option<u64> { self.duration } |
| 408 | pub fn set_pts(&mut self, pts: Option<u64>) { self.pts = pts; } |
| 409 | pub fn set_dts(&mut self, dts: Option<u64>) { self.dts = dts; } |
| 410 | pub fn set_duration(&mut self, dur: Option<u64>) { self.duration = dur; } |
| 411 | } |
| 412 | |
| 413 | #[allow(dead_code)] |
| 414 | #[derive(Clone)] |
| 415 | pub struct NAFrame { |
| 416 | ts: NATimeInfo, |
| 417 | buffer: NABufferType, |
| 418 | info: Rc<NACodecInfo>, |
| 419 | ftype: FrameType, |
| 420 | key: bool, |
| 421 | options: HashMap<String, NAValue>, |
| 422 | } |
| 423 | |
| 424 | pub type NAFrameRef = Rc<RefCell<NAFrame>>; |
| 425 | |
| 426 | fn get_plane_size(info: &NAVideoInfo, idx: usize) -> (usize, usize) { |
| 427 | let chromaton = info.get_format().get_chromaton(idx); |
| 428 | if let None = chromaton { return (0, 0); } |
| 429 | let (hs, vs) = chromaton.unwrap().get_subsampling(); |
| 430 | let w = (info.get_width() + ((1 << hs) - 1)) >> hs; |
| 431 | let h = (info.get_height() + ((1 << vs) - 1)) >> vs; |
| 432 | (w, h) |
| 433 | } |
| 434 | |
| 435 | impl NAFrame { |
| 436 | pub fn new(ts: NATimeInfo, |
| 437 | ftype: FrameType, |
| 438 | keyframe: bool, |
| 439 | info: Rc<NACodecInfo>, |
| 440 | options: HashMap<String, NAValue>, |
| 441 | buffer: NABufferType) -> Self { |
| 442 | NAFrame { ts: ts, buffer: buffer, info: info, ftype: ftype, key: keyframe, options: options } |
| 443 | } |
| 444 | pub fn get_frame_type(&self) -> FrameType { self.ftype } |
| 445 | pub fn is_keyframe(&self) -> bool { self.key } |
| 446 | pub fn set_frame_type(&mut self, ftype: FrameType) { self.ftype = ftype; } |
| 447 | pub fn set_keyframe(&mut self, key: bool) { self.key = key; } |
| 448 | pub fn get_time_information(&self) -> NATimeInfo { self.ts } |
| 449 | pub fn get_pts(&self) -> Option<u64> { self.ts.get_pts() } |
| 450 | pub fn get_dts(&self) -> Option<u64> { self.ts.get_dts() } |
| 451 | pub fn get_duration(&self) -> Option<u64> { self.ts.get_duration() } |
| 452 | pub fn set_pts(&mut self, pts: Option<u64>) { self.ts.set_pts(pts); } |
| 453 | pub fn set_dts(&mut self, dts: Option<u64>) { self.ts.set_dts(dts); } |
| 454 | pub fn set_duration(&mut self, dur: Option<u64>) { self.ts.set_duration(dur); } |
| 455 | |
| 456 | pub fn get_buffer(&self) -> NABufferType { self.buffer.clone() } |
| 457 | } |
| 458 | |
| 459 | impl fmt::Display for NAFrame { |
| 460 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 461 | let mut foo = format!("frame type {}", self.ftype); |
| 462 | if let Some(pts) = self.ts.pts { foo = format!("{} pts {}", foo, pts); } |
| 463 | if let Some(dts) = self.ts.dts { foo = format!("{} dts {}", foo, dts); } |
| 464 | if let Some(dur) = self.ts.duration { foo = format!("{} duration {}", foo, dur); } |
| 465 | if self.key { foo = format!("{} kf", foo); } |
| 466 | write!(f, "[{}]", foo) |
| 467 | } |
| 468 | } |
| 469 | |
| 470 | /// Possible stream types. |
| 471 | #[derive(Debug,Clone,Copy)] |
| 472 | #[allow(dead_code)] |
| 473 | pub enum StreamType { |
| 474 | /// video stream |
| 475 | Video, |
| 476 | /// audio stream |
| 477 | Audio, |
| 478 | /// subtitles |
| 479 | Subtitles, |
| 480 | /// any data stream (or might be an unrecognized audio/video stream) |
| 481 | Data, |
| 482 | /// nonexistent stream |
| 483 | None, |
| 484 | } |
| 485 | |
| 486 | impl fmt::Display for StreamType { |
| 487 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 488 | match *self { |
| 489 | StreamType::Video => write!(f, "Video"), |
| 490 | StreamType::Audio => write!(f, "Audio"), |
| 491 | StreamType::Subtitles => write!(f, "Subtitles"), |
| 492 | StreamType::Data => write!(f, "Data"), |
| 493 | StreamType::None => write!(f, "-"), |
| 494 | } |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | #[allow(dead_code)] |
| 499 | #[derive(Clone)] |
| 500 | pub struct NAStream { |
| 501 | media_type: StreamType, |
| 502 | id: u32, |
| 503 | num: usize, |
| 504 | info: Rc<NACodecInfo>, |
| 505 | tb_num: u32, |
| 506 | tb_den: u32, |
| 507 | } |
| 508 | |
| 509 | pub fn reduce_timebase(tb_num: u32, tb_den: u32) -> (u32, u32) { |
| 510 | if tb_num == 0 { return (tb_num, tb_den); } |
| 511 | if (tb_den % tb_num) == 0 { return (1, tb_den / tb_num); } |
| 512 | |
| 513 | let mut a = tb_num; |
| 514 | let mut b = tb_den; |
| 515 | |
| 516 | while a != b { |
| 517 | if a > b { a -= b; } |
| 518 | else if b > a { b -= a; } |
| 519 | } |
| 520 | |
| 521 | (tb_num / a, tb_den / a) |
| 522 | } |
| 523 | |
| 524 | impl NAStream { |
| 525 | pub fn new(mt: StreamType, id: u32, info: NACodecInfo, tb_num: u32, tb_den: u32) -> Self { |
| 526 | let (n, d) = reduce_timebase(tb_num, tb_den); |
| 527 | NAStream { media_type: mt, id: id, num: 0, info: Rc::new(info), tb_num: n, tb_den: d } |
| 528 | } |
| 529 | pub fn get_id(&self) -> u32 { self.id } |
| 530 | pub fn get_num(&self) -> usize { self.num } |
| 531 | pub fn set_num(&mut self, num: usize) { self.num = num; } |
| 532 | pub fn get_info(&self) -> Rc<NACodecInfo> { self.info.clone() } |
| 533 | pub fn get_timebase(&self) -> (u32, u32) { (self.tb_num, self.tb_den) } |
| 534 | pub fn set_timebase(&mut self, tb_num: u32, tb_den: u32) { |
| 535 | let (n, d) = reduce_timebase(tb_num, tb_den); |
| 536 | self.tb_num = n; |
| 537 | self.tb_den = d; |
| 538 | } |
| 539 | } |
| 540 | |
| 541 | impl fmt::Display for NAStream { |
| 542 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 543 | write!(f, "({}#{} @ {}/{} - {})", self.media_type, self.id, self.tb_num, self.tb_den, self.info.get_properties()) |
| 544 | } |
| 545 | } |
| 546 | |
| 547 | #[allow(dead_code)] |
| 548 | pub struct NAPacket { |
| 549 | stream: Rc<NAStream>, |
| 550 | ts: NATimeInfo, |
| 551 | buffer: Rc<Vec<u8>>, |
| 552 | keyframe: bool, |
| 553 | // options: HashMap<String, NAValue<'a>>, |
| 554 | } |
| 555 | |
| 556 | impl NAPacket { |
| 557 | pub fn new(str: Rc<NAStream>, ts: NATimeInfo, kf: bool, vec: Vec<u8>) -> Self { |
| 558 | // let mut vec: Vec<u8> = Vec::new(); |
| 559 | // vec.resize(size, 0); |
| 560 | NAPacket { stream: str, ts: ts, keyframe: kf, buffer: Rc::new(vec) } |
| 561 | } |
| 562 | pub fn get_stream(&self) -> Rc<NAStream> { self.stream.clone() } |
| 563 | pub fn get_time_information(&self) -> NATimeInfo { self.ts } |
| 564 | pub fn get_pts(&self) -> Option<u64> { self.ts.get_pts() } |
| 565 | pub fn get_dts(&self) -> Option<u64> { self.ts.get_dts() } |
| 566 | pub fn get_duration(&self) -> Option<u64> { self.ts.get_duration() } |
| 567 | pub fn is_keyframe(&self) -> bool { self.keyframe } |
| 568 | pub fn get_buffer(&self) -> Rc<Vec<u8>> { self.buffer.clone() } |
| 569 | } |
| 570 | |
| 571 | impl Drop for NAPacket { |
| 572 | fn drop(&mut self) {} |
| 573 | } |
| 574 | |
| 575 | impl fmt::Display for NAPacket { |
| 576 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 577 | let mut foo = format!("[pkt for {} size {}", self.stream, self.buffer.len()); |
| 578 | if let Some(pts) = self.ts.pts { foo = format!("{} pts {}", foo, pts); } |
| 579 | if let Some(dts) = self.ts.dts { foo = format!("{} dts {}", foo, dts); } |
| 580 | if let Some(dur) = self.ts.duration { foo = format!("{} duration {}", foo, dur); } |
| 581 | if self.keyframe { foo = format!("{} kf", foo); } |
| 582 | foo = foo + "]"; |
| 583 | write!(f, "{}", foo) |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | pub trait FrameFromPacket { |
| 588 | fn new_from_pkt(pkt: &NAPacket, info: Rc<NACodecInfo>, buf: NABufferType) -> NAFrame; |
| 589 | fn fill_timestamps(&mut self, pkt: &NAPacket); |
| 590 | } |
| 591 | |
| 592 | impl FrameFromPacket for NAFrame { |
| 593 | fn new_from_pkt(pkt: &NAPacket, info: Rc<NACodecInfo>, buf: NABufferType) -> NAFrame { |
| 594 | NAFrame::new(pkt.ts, FrameType::Other, pkt.keyframe, info, HashMap::new(), buf) |
| 595 | } |
| 596 | fn fill_timestamps(&mut self, pkt: &NAPacket) { |
| 597 | self.ts = pkt.get_time_information(); |
| 598 | } |
| 599 | } |
| 600 | |