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