]> git.nihav.org Git - nihav.git/blame - nihav-core/src/frame.rs
core/compr: fix clippy warnings
[nihav.git] / nihav-core / src / frame.rs
CommitLineData
7673d49a 1//! Packets and decoded frames functionality.
22cb00db 2use std::cmp::max;
a5ba48ac 3//use std::collections::HashMap;
83e603fa 4use std::fmt;
8057a7fd 5pub use std::sync::Arc;
4e8b4f31 6pub use crate::formats::*;
1a967e6b 7pub use crate::refs::*;
2c6462c8 8use std::str::FromStr;
94dbb551 9
7673d49a 10/// Audio stream information.
5869fd63 11#[allow(dead_code)]
66116504 12#[derive(Clone,Copy,PartialEq)]
5869fd63 13pub struct NAAudioInfo {
7673d49a 14 /// Sample rate.
df159213 15 pub sample_rate: u32,
7673d49a 16 /// Number of channels.
df159213 17 pub channels: u8,
7673d49a 18 /// Audio sample format.
df159213 19 pub format: NASoniton,
7673d49a 20 /// Length of one audio block in samples.
df159213 21 pub block_len: usize,
5869fd63
KS
22}
23
24impl NAAudioInfo {
7673d49a 25 /// Constructs a new `NAAudioInfo` instance.
5869fd63
KS
26 pub fn new(sr: u32, ch: u8, fmt: NASoniton, bl: usize) -> Self {
27 NAAudioInfo { sample_rate: sr, channels: ch, format: fmt, block_len: bl }
28 }
7673d49a 29 /// Returns audio sample rate.
66116504 30 pub fn get_sample_rate(&self) -> u32 { self.sample_rate }
7673d49a 31 /// Returns the number of channels.
66116504 32 pub fn get_channels(&self) -> u8 { self.channels }
7673d49a 33 /// Returns sample format.
66116504 34 pub fn get_format(&self) -> NASoniton { self.format }
7673d49a 35 /// Returns one audio block duration in samples.
66116504 36 pub fn get_block_len(&self) -> usize { self.block_len }
5869fd63
KS
37}
38
83e603fa
KS
39impl fmt::Display for NAAudioInfo {
40 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
41 write!(f, "{} Hz, {} ch", self.sample_rate, self.channels)
42 }
43}
44
7673d49a 45/// Video stream information.
5869fd63 46#[allow(dead_code)]
66116504 47#[derive(Clone,Copy,PartialEq)]
5869fd63 48pub struct NAVideoInfo {
7673d49a 49 /// Picture width.
bf507799 50 pub width: usize,
7673d49a 51 /// Picture height.
bf507799 52 pub height: usize,
7673d49a 53 /// Picture is stored downside up.
bf507799 54 pub flipped: bool,
7673d49a 55 /// Picture pixel format.
bf507799 56 pub format: NAPixelFormaton,
30940e74
KS
57 /// Declared bits per sample.
58 pub bits: u8,
5869fd63
KS
59}
60
61impl NAVideoInfo {
7673d49a 62 /// Constructs a new `NAVideoInfo` instance.
66116504 63 pub fn new(w: usize, h: usize, flip: bool, fmt: NAPixelFormaton) -> Self {
30940e74
KS
64 let bits = fmt.get_total_depth();
65 NAVideoInfo { width: w, height: h, flipped: flip, format: fmt, bits }
5869fd63 66 }
7673d49a 67 /// Returns picture width.
66116504 68 pub fn get_width(&self) -> usize { self.width as usize }
7673d49a 69 /// Returns picture height.
66116504 70 pub fn get_height(&self) -> usize { self.height as usize }
7673d49a 71 /// Returns picture orientation.
66116504 72 pub fn is_flipped(&self) -> bool { self.flipped }
7673d49a 73 /// Returns picture pixel format.
66116504 74 pub fn get_format(&self) -> NAPixelFormaton { self.format }
7673d49a 75 /// Sets new picture width.
dd1b60e1 76 pub fn set_width(&mut self, w: usize) { self.width = w; }
7673d49a 77 /// Sets new picture height.
dd1b60e1 78 pub fn set_height(&mut self, h: usize) { self.height = h; }
5869fd63
KS
79}
80
83e603fa
KS
81impl fmt::Display for NAVideoInfo {
82 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
83 write!(f, "{}x{}", self.width, self.height)
84 }
85}
86
7673d49a 87/// A list of possible stream information types.
66116504 88#[derive(Clone,Copy,PartialEq)]
5869fd63 89pub enum NACodecTypeInfo {
7673d49a 90 /// No codec present.
5869fd63 91 None,
7673d49a 92 /// Audio codec information.
5869fd63 93 Audio(NAAudioInfo),
7673d49a 94 /// Video codec information.
5869fd63
KS
95 Video(NAVideoInfo),
96}
97
22cb00db 98impl NACodecTypeInfo {
7673d49a 99 /// Returns video stream information.
22cb00db
KS
100 pub fn get_video_info(&self) -> Option<NAVideoInfo> {
101 match *self {
102 NACodecTypeInfo::Video(vinfo) => Some(vinfo),
103 _ => None,
104 }
105 }
7673d49a 106 /// Returns audio stream information.
22cb00db
KS
107 pub fn get_audio_info(&self) -> Option<NAAudioInfo> {
108 match *self {
109 NACodecTypeInfo::Audio(ainfo) => Some(ainfo),
110 _ => None,
111 }
112 }
7673d49a 113 /// Reports whether the current stream is video stream.
5076115b 114 pub fn is_video(&self) -> bool {
6f263099 115 matches!(*self, NACodecTypeInfo::Video(_))
5076115b 116 }
7673d49a 117 /// Reports whether the current stream is audio stream.
5076115b 118 pub fn is_audio(&self) -> bool {
6f263099 119 matches!(*self, NACodecTypeInfo::Audio(_))
5076115b 120 }
22cb00db
KS
121}
122
83e603fa
KS
123impl fmt::Display for NACodecTypeInfo {
124 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
125 let ret = match *self {
e243ceb4 126 NACodecTypeInfo::None => "".to_string(),
83e603fa
KS
127 NACodecTypeInfo::Audio(fmt) => format!("{}", fmt),
128 NACodecTypeInfo::Video(fmt) => format!("{}", fmt),
129 };
130 write!(f, "{}", ret)
131 }
132}
133
7673d49a
KS
134/// Decoded video frame.
135///
136/// NihAV frames are stored in native type (8/16/32-bit elements) inside a single buffer.
137/// In case of image with several components those components are stored sequentially and can be accessed in the buffer starting at corresponding component offset.
22cb00db
KS
138#[derive(Clone)]
139pub struct NAVideoBuffer<T> {
6c8e5c40 140 info: NAVideoInfo,
1a967e6b 141 data: NABufferRef<Vec<T>>,
6c8e5c40
KS
142 offs: Vec<usize>,
143 strides: Vec<usize>,
22cb00db
KS
144}
145
146impl<T: Clone> NAVideoBuffer<T> {
6d240c6b
KS
147 /// Constructs video buffer from the provided components.
148 pub fn from_raw_parts(info: NAVideoInfo, data: NABufferRef<Vec<T>>, offs: Vec<usize>, strides: Vec<usize>) -> Self {
149 Self { info, data, offs, strides }
150 }
7673d49a 151 /// Returns the component offset (0 for all unavailable offsets).
22cb00db
KS
152 pub fn get_offset(&self, idx: usize) -> usize {
153 if idx >= self.offs.len() { 0 }
154 else { self.offs[idx] }
155 }
7673d49a 156 /// Returns picture info.
22cb00db 157 pub fn get_info(&self) -> NAVideoInfo { self.info }
7673d49a 158 /// Returns an immutable reference to the data.
1a967e6b 159 pub fn get_data(&self) -> &Vec<T> { self.data.as_ref() }
7673d49a 160 /// Returns a mutable reference to the data.
1a967e6b 161 pub fn get_data_mut(&mut self) -> Option<&mut Vec<T>> { self.data.as_mut() }
7673d49a 162 /// Returns the number of components in picture format.
b914ee01 163 pub fn get_num_components(&self) -> usize { self.offs.len() }
7673d49a 164 /// Creates a copy of current `NAVideoBuffer`.
fafa7da3 165 pub fn copy_buffer(&self) -> Self {
1a967e6b
KS
166 let mut data: Vec<T> = Vec::with_capacity(self.data.len());
167 data.clone_from(self.data.as_ref());
22cb00db
KS
168 let mut offs: Vec<usize> = Vec::with_capacity(self.offs.len());
169 offs.clone_from(&self.offs);
6c8e5c40
KS
170 let mut strides: Vec<usize> = Vec::with_capacity(self.strides.len());
171 strides.clone_from(&self.strides);
e243ceb4 172 NAVideoBuffer { info: self.info, data: NABufferRef::new(data), offs, strides }
22cb00db 173 }
7673d49a 174 /// Returns stride (distance between subsequent lines) for the requested component.
22cb00db 175 pub fn get_stride(&self, idx: usize) -> usize {
6c8e5c40
KS
176 if idx >= self.strides.len() { return 0; }
177 self.strides[idx]
22cb00db 178 }
7673d49a 179 /// Returns requested component dimensions.
22cb00db
KS
180 pub fn get_dimensions(&self, idx: usize) -> (usize, usize) {
181 get_plane_size(&self.info, idx)
182 }
7673d49a 183 /// Converts current instance into buffer reference.
3fc28ece
KS
184 pub fn into_ref(self) -> NABufferRef<Self> {
185 NABufferRef::new(self)
186 }
fcc25d82
KS
187
188 fn print_contents(&self, datatype: &str) {
189 println!("{} video buffer size {}", datatype, self.data.len());
190 println!(" format {}", self.info);
191 print!(" offsets:");
192 for off in self.offs.iter() {
193 print!(" {}", *off);
194 }
195 println!();
196 print!(" strides:");
197 for stride in self.strides.iter() {
198 print!(" {}", *stride);
199 }
200 println!();
201 }
22cb00db
KS
202}
203
7673d49a 204/// A specialised type for reference-counted `NAVideoBuffer`.
3fc28ece
KS
205pub type NAVideoBufferRef<T> = NABufferRef<NAVideoBuffer<T>>;
206
7673d49a
KS
207/// Decoded audio frame.
208///
209/// NihAV frames are stored in native type (8/16/32-bit elements) inside a single buffer.
210/// In case of planar audio samples for each channel are stored sequentially and can be accessed in the buffer starting at corresponding channel offset.
22cb00db
KS
211#[derive(Clone)]
212pub struct NAAudioBuffer<T> {
213 info: NAAudioInfo,
1a967e6b 214 data: NABufferRef<Vec<T>>,
22cb00db 215 offs: Vec<usize>,
01e2d496 216 stride: usize,
98c6f2f0 217 step: usize,
22cb00db 218 chmap: NAChannelMap,
5076115b 219 len: usize,
22cb00db
KS
220}
221
222impl<T: Clone> NAAudioBuffer<T> {
7673d49a 223 /// Returns the start position of requested channel data.
22cb00db
KS
224 pub fn get_offset(&self, idx: usize) -> usize {
225 if idx >= self.offs.len() { 0 }
226 else { self.offs[idx] }
227 }
7673d49a 228 /// Returns the distance between the start of one channel and the next one.
01e2d496 229 pub fn get_stride(&self) -> usize { self.stride }
98c6f2f0
KS
230 /// Returns the distance between the samples in one channel.
231 pub fn get_step(&self) -> usize { self.step }
7673d49a 232 /// Returns audio format information.
22cb00db 233 pub fn get_info(&self) -> NAAudioInfo { self.info }
7673d49a 234 /// Returns channel map.
8ee4352b 235 pub fn get_chmap(&self) -> &NAChannelMap { &self.chmap }
7673d49a 236 /// Returns an immutable reference to the data.
1a967e6b 237 pub fn get_data(&self) -> &Vec<T> { self.data.as_ref() }
89f25cd7
KS
238 /// Returns reference to the data.
239 pub fn get_data_ref(&self) -> NABufferRef<Vec<T>> { self.data.clone() }
7673d49a 240 /// Returns a mutable reference to the data.
1a967e6b 241 pub fn get_data_mut(&mut self) -> Option<&mut Vec<T>> { self.data.as_mut() }
7673d49a 242 /// Clones current `NAAudioBuffer` into a new one.
22cb00db 243 pub fn copy_buffer(&mut self) -> Self {
1a967e6b
KS
244 let mut data: Vec<T> = Vec::with_capacity(self.data.len());
245 data.clone_from(self.data.as_ref());
22cb00db
KS
246 let mut offs: Vec<usize> = Vec::with_capacity(self.offs.len());
247 offs.clone_from(&self.offs);
98c6f2f0 248 NAAudioBuffer { info: self.info, data: NABufferRef::new(data), offs, chmap: self.get_chmap().clone(), len: self.len, stride: self.stride, step: self.step }
22cb00db 249 }
7673d49a 250 /// Return the length of frame in samples.
5076115b 251 pub fn get_length(&self) -> usize { self.len }
640b1eb0
KS
252 /// Truncates buffer length if possible.
253 ///
254 /// In case when new length is larger than old length nothing is done.
255 pub fn truncate(&mut self, new_len: usize) {
256 self.len = self.len.min(new_len);
257 }
fcc25d82
KS
258
259 fn print_contents(&self, datatype: &str) {
260 println!("Audio buffer with {} data, stride {}, step {}", datatype, self.stride, self.step);
261 println!(" format {}", self.info);
262 println!(" channel map {}", self.chmap);
263 print!(" offsets:");
264 for off in self.offs.iter() {
265 print!(" {}", *off);
266 }
267 println!();
268 }
22cb00db
KS
269}
270
87a1ebc3 271impl NAAudioBuffer<u8> {
7673d49a 272 /// Constructs a new `NAAudioBuffer` instance.
1a967e6b 273 pub fn new_from_buf(info: NAAudioInfo, data: NABufferRef<Vec<u8>>, chmap: NAChannelMap) -> Self {
2a998d8f
KS
274 let len = data.len() * 8 / chmap.num_channels() / (info.format.bits as usize);
275
98c6f2f0 276 NAAudioBuffer { info, data, chmap, offs: Vec::new(), len, stride: 0, step: 0 }
87a1ebc3
KS
277 }
278}
279
7673d49a 280/// A list of possible decoded frame types.
22cb00db
KS
281#[derive(Clone)]
282pub enum NABufferType {
7673d49a 283 /// 8-bit video buffer.
3fc28ece 284 Video (NAVideoBufferRef<u8>),
7673d49a 285 /// 16-bit video buffer (i.e. every component or packed pixel fits into 16 bits).
3fc28ece 286 Video16 (NAVideoBufferRef<u16>),
7673d49a 287 /// 32-bit video buffer (i.e. every component or packed pixel fits into 32 bits).
3fc28ece 288 Video32 (NAVideoBufferRef<u32>),
7673d49a 289 /// Packed video buffer.
3fc28ece 290 VideoPacked(NAVideoBufferRef<u8>),
7673d49a 291 /// Audio buffer with 8-bit unsigned integer audio.
22cb00db 292 AudioU8 (NAAudioBuffer<u8>),
7673d49a 293 /// Audio buffer with 16-bit signed integer audio.
22cb00db 294 AudioI16 (NAAudioBuffer<i16>),
7673d49a 295 /// Audio buffer with 32-bit signed integer audio.
87a1ebc3 296 AudioI32 (NAAudioBuffer<i32>),
7673d49a 297 /// Audio buffer with 32-bit floating point audio.
22cb00db 298 AudioF32 (NAAudioBuffer<f32>),
7673d49a 299 /// Packed audio buffer.
22cb00db 300 AudioPacked(NAAudioBuffer<u8>),
7673d49a 301 /// Buffer with generic data (e.g. subtitles).
1a967e6b 302 Data (NABufferRef<Vec<u8>>),
7673d49a 303 /// No data present.
22cb00db
KS
304 None,
305}
306
307impl NABufferType {
7673d49a 308 /// Returns the offset to the requested component or channel.
22cb00db
KS
309 pub fn get_offset(&self, idx: usize) -> usize {
310 match *self {
311 NABufferType::Video(ref vb) => vb.get_offset(idx),
312 NABufferType::Video16(ref vb) => vb.get_offset(idx),
3bba1c4a 313 NABufferType::Video32(ref vb) => vb.get_offset(idx),
22cb00db
KS
314 NABufferType::VideoPacked(ref vb) => vb.get_offset(idx),
315 NABufferType::AudioU8(ref ab) => ab.get_offset(idx),
316 NABufferType::AudioI16(ref ab) => ab.get_offset(idx),
fdf4b070 317 NABufferType::AudioI32(ref ab) => ab.get_offset(idx),
22cb00db
KS
318 NABufferType::AudioF32(ref ab) => ab.get_offset(idx),
319 NABufferType::AudioPacked(ref ab) => ab.get_offset(idx),
320 _ => 0,
321 }
322 }
7673d49a 323 /// Returns information for video frames.
3bba1c4a
KS
324 pub fn get_video_info(&self) -> Option<NAVideoInfo> {
325 match *self {
326 NABufferType::Video(ref vb) => Some(vb.get_info()),
327 NABufferType::Video16(ref vb) => Some(vb.get_info()),
328 NABufferType::Video32(ref vb) => Some(vb.get_info()),
329 NABufferType::VideoPacked(ref vb) => Some(vb.get_info()),
330 _ => None,
331 }
332 }
7673d49a 333 /// Returns reference to 8-bit (or packed) video buffer.
3fc28ece 334 pub fn get_vbuf(&self) -> Option<NAVideoBufferRef<u8>> {
22cb00db
KS
335 match *self {
336 NABufferType::Video(ref vb) => Some(vb.clone()),
87a1ebc3
KS
337 NABufferType::VideoPacked(ref vb) => Some(vb.clone()),
338 _ => None,
339 }
340 }
7673d49a 341 /// Returns reference to 16-bit video buffer.
3fc28ece 342 pub fn get_vbuf16(&self) -> Option<NAVideoBufferRef<u16>> {
87a1ebc3
KS
343 match *self {
344 NABufferType::Video16(ref vb) => Some(vb.clone()),
345 _ => None,
346 }
347 }
7673d49a 348 /// Returns reference to 32-bit video buffer.
3fc28ece 349 pub fn get_vbuf32(&self) -> Option<NAVideoBufferRef<u32>> {
3bba1c4a
KS
350 match *self {
351 NABufferType::Video32(ref vb) => Some(vb.clone()),
352 _ => None,
353 }
354 }
7673d49a 355 /// Returns information for audio frames.
049474a0
KS
356 pub fn get_audio_info(&self) -> Option<NAAudioInfo> {
357 match *self {
358 NABufferType::AudioU8(ref ab) => Some(ab.get_info()),
359 NABufferType::AudioI16(ref ab) => Some(ab.get_info()),
360 NABufferType::AudioI32(ref ab) => Some(ab.get_info()),
361 NABufferType::AudioF32(ref ab) => Some(ab.get_info()),
362 NABufferType::AudioPacked(ref ab) => Some(ab.get_info()),
363 _ => None,
364 }
365 }
7673d49a 366 /// Returns audio channel map.
049474a0
KS
367 pub fn get_chmap(&self) -> Option<&NAChannelMap> {
368 match *self {
369 NABufferType::AudioU8(ref ab) => Some(ab.get_chmap()),
370 NABufferType::AudioI16(ref ab) => Some(ab.get_chmap()),
371 NABufferType::AudioI32(ref ab) => Some(ab.get_chmap()),
372 NABufferType::AudioF32(ref ab) => Some(ab.get_chmap()),
373 NABufferType::AudioPacked(ref ab) => Some(ab.get_chmap()),
374 _ => None,
375 }
376 }
7673d49a 377 /// Returns audio frame duration in samples.
049474a0
KS
378 pub fn get_audio_length(&self) -> usize {
379 match *self {
380 NABufferType::AudioU8(ref ab) => ab.get_length(),
381 NABufferType::AudioI16(ref ab) => ab.get_length(),
382 NABufferType::AudioI32(ref ab) => ab.get_length(),
383 NABufferType::AudioF32(ref ab) => ab.get_length(),
384 NABufferType::AudioPacked(ref ab) => ab.get_length(),
385 _ => 0,
386 }
387 }
a1298b7a
KS
388 /// Truncates audio frame duration if possible.
389 pub fn truncate_audio(&mut self, len: usize) {
390 match *self {
391 NABufferType::AudioU8(ref mut ab) => ab.truncate(len),
392 NABufferType::AudioI16(ref mut ab) => ab.truncate(len),
393 NABufferType::AudioI32(ref mut ab) => ab.truncate(len),
394 NABufferType::AudioF32(ref mut ab) => ab.truncate(len),
395 NABufferType::AudioPacked(ref mut ab) => ab.truncate(len),
396 _ => {},
397 };
398 }
7673d49a 399 /// Returns the distance between starts of two channels.
049474a0
KS
400 pub fn get_audio_stride(&self) -> usize {
401 match *self {
402 NABufferType::AudioU8(ref ab) => ab.get_stride(),
403 NABufferType::AudioI16(ref ab) => ab.get_stride(),
404 NABufferType::AudioI32(ref ab) => ab.get_stride(),
405 NABufferType::AudioF32(ref ab) => ab.get_stride(),
406 NABufferType::AudioPacked(ref ab) => ab.get_stride(),
407 _ => 0,
408 }
409 }
98c6f2f0
KS
410 /// Returns the distance between two samples in one channel.
411 pub fn get_audio_step(&self) -> usize {
412 match *self {
413 NABufferType::AudioU8(ref ab) => ab.get_step(),
414 NABufferType::AudioI16(ref ab) => ab.get_step(),
415 NABufferType::AudioI32(ref ab) => ab.get_step(),
416 NABufferType::AudioF32(ref ab) => ab.get_step(),
417 NABufferType::AudioPacked(ref ab) => ab.get_step(),
418 _ => 0,
419 }
420 }
7673d49a 421 /// Returns reference to 8-bit (or packed) audio buffer.
6e09a92e 422 pub fn get_abuf_u8(&self) -> Option<NAAudioBuffer<u8>> {
87a1ebc3
KS
423 match *self {
424 NABufferType::AudioU8(ref ab) => Some(ab.clone()),
425 NABufferType::AudioPacked(ref ab) => Some(ab.clone()),
426 _ => None,
427 }
428 }
7673d49a 429 /// Returns reference to 16-bit audio buffer.
6e09a92e 430 pub fn get_abuf_i16(&self) -> Option<NAAudioBuffer<i16>> {
87a1ebc3
KS
431 match *self {
432 NABufferType::AudioI16(ref ab) => Some(ab.clone()),
433 _ => None,
434 }
435 }
7673d49a 436 /// Returns reference to 32-bit integer audio buffer.
6e09a92e 437 pub fn get_abuf_i32(&self) -> Option<NAAudioBuffer<i32>> {
87a1ebc3
KS
438 match *self {
439 NABufferType::AudioI32(ref ab) => Some(ab.clone()),
440 _ => None,
441 }
442 }
7673d49a 443 /// Returns reference to 32-bit floating point audio buffer.
6e09a92e 444 pub fn get_abuf_f32(&self) -> Option<NAAudioBuffer<f32>> {
87a1ebc3
KS
445 match *self {
446 NABufferType::AudioF32(ref ab) => Some(ab.clone()),
22cb00db
KS
447 _ => None,
448 }
449 }
fcc25d82
KS
450 /// Prints internal buffer layout.
451 pub fn print_buffer_metadata(&self) {
452 match *self {
453 NABufferType::Video(ref buf) => buf.print_contents("8-bit"),
454 NABufferType::Video16(ref buf) => buf.print_contents("16-bit"),
455 NABufferType::Video32(ref buf) => buf.print_contents("32-bit"),
456 NABufferType::VideoPacked(ref buf) => buf.print_contents("packed"),
457 NABufferType::AudioU8(ref buf) => buf.print_contents("8-bit unsigned integer"),
458 NABufferType::AudioI16(ref buf) => buf.print_contents("16-bit integer"),
459 NABufferType::AudioI32(ref buf) => buf.print_contents("32-bit integer"),
460 NABufferType::AudioF32(ref buf) => buf.print_contents("32-bit float"),
461 NABufferType::AudioPacked(ref buf) => buf.print_contents("packed"),
462 NABufferType::Data(ref buf) => { println!("Data buffer, len = {}", buf.len()); },
463 NABufferType::None => { println!("No buffer"); },
464 };
465 }
22cb00db
KS
466}
467
cd830591 468const NA_SIMPLE_VFRAME_COMPONENTS: usize = 4;
7673d49a 469/// Simplified decoded frame data.
cd830591 470pub struct NASimpleVideoFrame<'a, T: Copy> {
7673d49a 471 /// Widths of each picture component.
cd830591 472 pub width: [usize; NA_SIMPLE_VFRAME_COMPONENTS],
7673d49a 473 /// Heights of each picture component.
cd830591 474 pub height: [usize; NA_SIMPLE_VFRAME_COMPONENTS],
7673d49a 475 /// Orientation (upside-down or downside-up) flag.
cd830591 476 pub flip: bool,
7673d49a 477 /// Strides for each component.
cd830591 478 pub stride: [usize; NA_SIMPLE_VFRAME_COMPONENTS],
7673d49a 479 /// Start of each component.
cd830591 480 pub offset: [usize; NA_SIMPLE_VFRAME_COMPONENTS],
7673d49a 481 /// Number of components.
cd830591 482 pub components: usize,
7673d49a 483 /// Pointer to the picture pixel data.
dc45d8ce 484 pub data: &'a mut [T],
cd830591
KS
485}
486
487impl<'a, T:Copy> NASimpleVideoFrame<'a, T> {
7673d49a 488 /// Constructs a new instance of `NASimpleVideoFrame` from `NAVideoBuffer`.
cd830591
KS
489 pub fn from_video_buf(vbuf: &'a mut NAVideoBuffer<T>) -> Option<Self> {
490 let vinfo = vbuf.get_info();
491 let components = vinfo.format.components as usize;
492 if components > NA_SIMPLE_VFRAME_COMPONENTS {
493 return None;
494 }
495 let mut w: [usize; NA_SIMPLE_VFRAME_COMPONENTS] = [0; NA_SIMPLE_VFRAME_COMPONENTS];
496 let mut h: [usize; NA_SIMPLE_VFRAME_COMPONENTS] = [0; NA_SIMPLE_VFRAME_COMPONENTS];
497 let mut s: [usize; NA_SIMPLE_VFRAME_COMPONENTS] = [0; NA_SIMPLE_VFRAME_COMPONENTS];
498 let mut o: [usize; NA_SIMPLE_VFRAME_COMPONENTS] = [0; NA_SIMPLE_VFRAME_COMPONENTS];
499 for comp in 0..components {
500 let (width, height) = vbuf.get_dimensions(comp);
501 w[comp] = width;
502 h[comp] = height;
503 s[comp] = vbuf.get_stride(comp);
504 o[comp] = vbuf.get_offset(comp);
505 }
506 let flip = vinfo.flipped;
507 Some(NASimpleVideoFrame {
508 width: w,
509 height: h,
510 flip,
511 stride: s,
512 offset: o,
513 components,
dc45d8ce 514 data: vbuf.data.as_mut_slice(),
cd830591
KS
515 })
516 }
517}
518
7673d49a 519/// A list of possible frame allocator errors.
22cb00db
KS
520#[derive(Debug,Clone,Copy,PartialEq)]
521pub enum AllocatorError {
7673d49a 522 /// Requested picture dimensions are too large.
22cb00db 523 TooLargeDimensions,
7673d49a 524 /// Invalid input format.
22cb00db
KS
525 FormatError,
526}
527
7673d49a
KS
528/// Constructs a new video buffer with requested format.
529///
530/// `align` is power of two alignment for image. E.g. the value of 5 means that frame dimensions will be padded to be multiple of 32.
22cb00db
KS
531pub fn alloc_video_buffer(vinfo: NAVideoInfo, align: u8) -> Result<NABufferType, AllocatorError> {
532 let fmt = &vinfo.format;
533 let mut new_size: usize = 0;
6c8e5c40
KS
534 let mut offs: Vec<usize> = Vec::new();
535 let mut strides: Vec<usize> = Vec::new();
22cb00db
KS
536
537 for i in 0..fmt.get_num_comp() {
538 if fmt.get_chromaton(i) == None { return Err(AllocatorError::FormatError); }
539 }
540
541 let align_mod = ((1 << align) as usize) - 1;
542 let width = ((vinfo.width as usize) + align_mod) & !align_mod;
543 let height = ((vinfo.height as usize) + align_mod) & !align_mod;
544 let mut max_depth = 0;
545 let mut all_packed = true;
3bba1c4a 546 let mut all_bytealigned = true;
22cb00db 547 for i in 0..fmt.get_num_comp() {
6c8e5c40 548 let ochr = fmt.get_chromaton(i);
e243ceb4 549 if ochr.is_none() { continue; }
6c8e5c40 550 let chr = ochr.unwrap();
22cb00db
KS
551 if !chr.is_packed() {
552 all_packed = false;
3bba1c4a
KS
553 } else if ((chr.get_shift() + chr.get_depth()) & 7) != 0 {
554 all_bytealigned = false;
22cb00db
KS
555 }
556 max_depth = max(max_depth, chr.get_depth());
557 }
6f263099 558 let unfit_elem_size = !matches!(fmt.get_elem_size(), 2 | 4);
22cb00db
KS
559
560//todo semi-packed like NV12
bc6aac3d
KS
561 if fmt.is_paletted() {
562//todo various-sized palettes?
6c8e5c40
KS
563 let stride = vinfo.get_format().get_chromaton(0).unwrap().get_linesize(width);
564 let pic_sz = stride.checked_mul(height);
bc6aac3d
KS
565 if pic_sz == None { return Err(AllocatorError::TooLargeDimensions); }
566 let pal_size = 256 * (fmt.get_elem_size() as usize);
567 let new_size = pic_sz.unwrap().checked_add(pal_size);
568 if new_size == None { return Err(AllocatorError::TooLargeDimensions); }
569 offs.push(0);
6c8e5c40
KS
570 offs.push(stride * height);
571 strides.push(stride);
e243ceb4
KS
572 let data: Vec<u8> = vec![0; new_size.unwrap()];
573 let buf: NAVideoBuffer<u8> = NAVideoBuffer { data: NABufferRef::new(data), info: vinfo, offs, strides };
3fc28ece 574 Ok(NABufferType::Video(buf.into_ref()))
bc6aac3d 575 } else if !all_packed {
22cb00db 576 for i in 0..fmt.get_num_comp() {
6c8e5c40 577 let ochr = fmt.get_chromaton(i);
e243ceb4 578 if ochr.is_none() { continue; }
6c8e5c40 579 let chr = ochr.unwrap();
74afc7de 580 offs.push(new_size as usize);
6c8e5c40 581 let stride = chr.get_linesize(width);
22cb00db 582 let cur_h = chr.get_height(height);
6c8e5c40 583 let cur_sz = stride.checked_mul(cur_h);
22cb00db
KS
584 if cur_sz == None { return Err(AllocatorError::TooLargeDimensions); }
585 let new_sz = new_size.checked_add(cur_sz.unwrap());
586 if new_sz == None { return Err(AllocatorError::TooLargeDimensions); }
587 new_size = new_sz.unwrap();
6c8e5c40 588 strides.push(stride);
22cb00db
KS
589 }
590 if max_depth <= 8 {
e243ceb4
KS
591 let data: Vec<u8> = vec![0; new_size];
592 let buf: NAVideoBuffer<u8> = NAVideoBuffer { data: NABufferRef::new(data), info: vinfo, offs, strides };
3fc28ece 593 Ok(NABufferType::Video(buf.into_ref()))
3bba1c4a 594 } else if max_depth <= 16 {
e243ceb4
KS
595 let data: Vec<u16> = vec![0; new_size];
596 let buf: NAVideoBuffer<u16> = NAVideoBuffer { data: NABufferRef::new(data), info: vinfo, offs, strides };
3fc28ece 597 Ok(NABufferType::Video16(buf.into_ref()))
3bba1c4a 598 } else {
e243ceb4
KS
599 let data: Vec<u32> = vec![0; new_size];
600 let buf: NAVideoBuffer<u32> = NAVideoBuffer { data: NABufferRef::new(data), info: vinfo, offs, strides };
3fc28ece 601 Ok(NABufferType::Video32(buf.into_ref()))
22cb00db 602 }
3bba1c4a 603 } else if all_bytealigned || unfit_elem_size {
22cb00db
KS
604 let elem_sz = fmt.get_elem_size();
605 let line_sz = width.checked_mul(elem_sz as usize);
606 if line_sz == None { return Err(AllocatorError::TooLargeDimensions); }
607 let new_sz = line_sz.unwrap().checked_mul(height);
608 if new_sz == None { return Err(AllocatorError::TooLargeDimensions); }
609 new_size = new_sz.unwrap();
e243ceb4 610 let data: Vec<u8> = vec![0; new_size];
6c8e5c40 611 strides.push(line_sz.unwrap());
e243ceb4 612 let buf: NAVideoBuffer<u8> = NAVideoBuffer { data: NABufferRef::new(data), info: vinfo, offs, strides };
3fc28ece 613 Ok(NABufferType::VideoPacked(buf.into_ref()))
3bba1c4a
KS
614 } else {
615 let elem_sz = fmt.get_elem_size();
616 let new_sz = width.checked_mul(height);
617 if new_sz == None { return Err(AllocatorError::TooLargeDimensions); }
618 new_size = new_sz.unwrap();
619 match elem_sz {
620 2 => {
e243ceb4 621 let data: Vec<u16> = vec![0; new_size];
3bba1c4a 622 strides.push(width);
e243ceb4 623 let buf: NAVideoBuffer<u16> = NAVideoBuffer { data: NABufferRef::new(data), info: vinfo, offs, strides };
3fc28ece 624 Ok(NABufferType::Video16(buf.into_ref()))
3bba1c4a
KS
625 },
626 4 => {
e243ceb4 627 let data: Vec<u32> = vec![0; new_size];
3bba1c4a 628 strides.push(width);
e243ceb4 629 let buf: NAVideoBuffer<u32> = NAVideoBuffer { data: NABufferRef::new(data), info: vinfo, offs, strides };
3fc28ece 630 Ok(NABufferType::Video32(buf.into_ref()))
3bba1c4a
KS
631 },
632 _ => unreachable!(),
633 }
22cb00db
KS
634 }
635}
636
7673d49a 637/// Constructs a new audio buffer for the requested format and length.
e243ceb4 638#[allow(clippy::collapsible_if)]
22cb00db
KS
639pub fn alloc_audio_buffer(ainfo: NAAudioInfo, nsamples: usize, chmap: NAChannelMap) -> Result<NABufferType, AllocatorError> {
640 let mut offs: Vec<usize> = Vec::new();
98c6f2f0 641 if ainfo.format.is_planar() || ((ainfo.format.get_bits() % 8) == 0) {
22cb00db
KS
642 let len = nsamples.checked_mul(ainfo.channels as usize);
643 if len == None { return Err(AllocatorError::TooLargeDimensions); }
644 let length = len.unwrap();
98c6f2f0
KS
645 let stride;
646 let step;
647 if ainfo.format.is_planar() {
648 stride = nsamples;
649 step = 1;
650 for i in 0..ainfo.channels {
651 offs.push((i as usize) * stride);
652 }
653 } else {
654 stride = 1;
655 step = ainfo.channels as usize;
656 for i in 0..ainfo.channels {
657 offs.push(i as usize);
658 }
22cb00db
KS
659 }
660 if ainfo.format.is_float() {
661 if ainfo.format.get_bits() == 32 {
e243ceb4 662 let data: Vec<f32> = vec![0.0; length];
98c6f2f0 663 let buf: NAAudioBuffer<f32> = NAAudioBuffer { data: NABufferRef::new(data), info: ainfo, offs, chmap, len: nsamples, stride, step };
22cb00db
KS
664 Ok(NABufferType::AudioF32(buf))
665 } else {
666 Err(AllocatorError::TooLargeDimensions)
667 }
668 } else {
669 if ainfo.format.get_bits() == 8 && !ainfo.format.is_signed() {
e243ceb4 670 let data: Vec<u8> = vec![0; length];
98c6f2f0 671 let buf: NAAudioBuffer<u8> = NAAudioBuffer { data: NABufferRef::new(data), info: ainfo, offs, chmap, len: nsamples, stride, step };
22cb00db
KS
672 Ok(NABufferType::AudioU8(buf))
673 } else if ainfo.format.get_bits() == 16 && ainfo.format.is_signed() {
e243ceb4 674 let data: Vec<i16> = vec![0; length];
98c6f2f0 675 let buf: NAAudioBuffer<i16> = NAAudioBuffer { data: NABufferRef::new(data), info: ainfo, offs, chmap, len: nsamples, stride, step };
22cb00db 676 Ok(NABufferType::AudioI16(buf))
4c05fc3e
KS
677 } else if ainfo.format.get_bits() == 32 && ainfo.format.is_signed() {
678 let data: Vec<i32> = vec![0; length];
679 let buf: NAAudioBuffer<i32> = NAAudioBuffer { data: NABufferRef::new(data), info: ainfo, offs, chmap, len: nsamples, stride, step };
680 Ok(NABufferType::AudioI32(buf))
22cb00db
KS
681 } else {
682 Err(AllocatorError::TooLargeDimensions)
683 }
684 }
685 } else {
686 let len = nsamples.checked_mul(ainfo.channels as usize);
687 if len == None { return Err(AllocatorError::TooLargeDimensions); }
688 let length = ainfo.format.get_audio_size(len.unwrap() as u64);
e243ceb4 689 let data: Vec<u8> = vec![0; length];
98c6f2f0 690 let buf: NAAudioBuffer<u8> = NAAudioBuffer { data: NABufferRef::new(data), info: ainfo, offs, chmap, len: nsamples, stride: 0, step: 0 };
1a151e53 691 Ok(NABufferType::AudioPacked(buf))
22cb00db
KS
692 }
693}
694
7673d49a 695/// Constructs a new buffer for generic data.
22cb00db 696pub fn alloc_data_buffer(size: usize) -> Result<NABufferType, AllocatorError> {
e243ceb4 697 let data: Vec<u8> = vec![0; size];
1a967e6b 698 let buf: NABufferRef<Vec<u8>> = NABufferRef::new(data);
22cb00db
KS
699 Ok(NABufferType::Data(buf))
700}
701
7673d49a 702/// Creates a clone of current buffer.
b7c882c1 703pub fn copy_buffer(buf: &NABufferType) -> NABufferType {
22cb00db
KS
704 buf.clone()
705}
706
7673d49a
KS
707/// Video frame pool.
708///
709/// This structure allows codec to effectively reuse old frames instead of allocating and de-allocating frames every time.
710/// Caller can also reserve some frames for its own purposes e.g. display queue.
01613464
KS
711pub struct NAVideoBufferPool<T:Copy> {
712 pool: Vec<NAVideoBufferRef<T>>,
1a967e6b 713 max_len: usize,
01613464 714 add_len: usize,
1a967e6b
KS
715}
716
01613464 717impl<T:Copy> NAVideoBufferPool<T> {
7673d49a 718 /// Constructs a new `NAVideoBufferPool` instance.
1a967e6b
KS
719 pub fn new(max_len: usize) -> Self {
720 Self {
721 pool: Vec::with_capacity(max_len),
722 max_len,
01613464 723 add_len: 0,
1a967e6b
KS
724 }
725 }
7673d49a 726 /// Sets the number of buffers reserved for the user.
01613464
KS
727 pub fn set_dec_bufs(&mut self, add_len: usize) {
728 self.add_len = add_len;
729 }
7673d49a 730 /// Returns an unused buffer from the pool.
01613464
KS
731 pub fn get_free(&mut self) -> Option<NAVideoBufferRef<T>> {
732 for e in self.pool.iter() {
733 if e.get_num_refs() == 1 {
734 return Some(e.clone());
735 }
736 }
737 None
738 }
7673d49a 739 /// Clones provided frame data into a free pool frame.
01613464 740 pub fn get_copy(&mut self, rbuf: &NAVideoBufferRef<T>) -> Option<NAVideoBufferRef<T>> {
e243ceb4 741 let mut dbuf = self.get_free()?;
01613464
KS
742 dbuf.data.copy_from_slice(&rbuf.data);
743 Some(dbuf)
744 }
7673d49a 745 /// Clears the pool from all frames.
01613464 746 pub fn reset(&mut self) {
b191eef3 747 self.pool.clear();
01613464
KS
748 }
749}
750
751impl NAVideoBufferPool<u8> {
7673d49a
KS
752 /// Allocates the target amount of video frames using [`alloc_video_buffer`].
753 ///
754 /// [`alloc_video_buffer`]: ./fn.alloc_video_buffer.html
1a967e6b 755 pub fn prealloc_video(&mut self, vinfo: NAVideoInfo, align: u8) -> Result<(), AllocatorError> {
01613464 756 let nbufs = self.max_len + self.add_len - self.pool.len();
1a967e6b 757 for _ in 0..nbufs {
e243ceb4 758 let vbuf = alloc_video_buffer(vinfo, align)?;
01613464
KS
759 if let NABufferType::Video(buf) = vbuf {
760 self.pool.push(buf);
761 } else if let NABufferType::VideoPacked(buf) = vbuf {
762 self.pool.push(buf);
763 } else {
764 return Err(AllocatorError::FormatError);
765 }
1a967e6b
KS
766 }
767 Ok(())
768 }
01613464
KS
769}
770
771impl NAVideoBufferPool<u16> {
7673d49a
KS
772 /// Allocates the target amount of video frames using [`alloc_video_buffer`].
773 ///
774 /// [`alloc_video_buffer`]: ./fn.alloc_video_buffer.html
01613464
KS
775 pub fn prealloc_video(&mut self, vinfo: NAVideoInfo, align: u8) -> Result<(), AllocatorError> {
776 let nbufs = self.max_len + self.add_len - self.pool.len();
1a967e6b 777 for _ in 0..nbufs {
e243ceb4 778 let vbuf = alloc_video_buffer(vinfo, align)?;
01613464
KS
779 if let NABufferType::Video16(buf) = vbuf {
780 self.pool.push(buf);
781 } else {
782 return Err(AllocatorError::FormatError);
783 }
1a967e6b
KS
784 }
785 Ok(())
786 }
01613464
KS
787}
788
789impl NAVideoBufferPool<u32> {
7673d49a
KS
790 /// Allocates the target amount of video frames using [`alloc_video_buffer`].
791 ///
792 /// [`alloc_video_buffer`]: ./fn.alloc_video_buffer.html
01613464
KS
793 pub fn prealloc_video(&mut self, vinfo: NAVideoInfo, align: u8) -> Result<(), AllocatorError> {
794 let nbufs = self.max_len + self.add_len - self.pool.len();
795 for _ in 0..nbufs {
e243ceb4 796 let vbuf = alloc_video_buffer(vinfo, align)?;
01613464
KS
797 if let NABufferType::Video32(buf) = vbuf {
798 self.pool.push(buf);
799 } else {
800 return Err(AllocatorError::FormatError);
1a967e6b
KS
801 }
802 }
01613464 803 Ok(())
1a967e6b
KS
804 }
805}
806
7673d49a 807/// Information about codec contained in a stream.
5869fd63 808#[allow(dead_code)]
8869d452
KS
809#[derive(Clone)]
810pub struct NACodecInfo {
ccae5343 811 name: &'static str,
5869fd63 812 properties: NACodecTypeInfo,
2422d969 813 extradata: Option<Arc<Vec<u8>>>,
5869fd63
KS
814}
815
7673d49a 816/// A specialised type for reference-counted `NACodecInfo`.
2422d969
KS
817pub type NACodecInfoRef = Arc<NACodecInfo>;
818
8869d452 819impl NACodecInfo {
7673d49a 820 /// Constructs a new instance of `NACodecInfo`.
ccae5343 821 pub fn new(name: &'static str, p: NACodecTypeInfo, edata: Option<Vec<u8>>) -> Self {
6f263099 822 NACodecInfo { name, properties: p, extradata: edata.map(Arc::new) }
8869d452 823 }
7673d49a 824 /// Constructs a new reference-counted instance of `NACodecInfo`.
2422d969 825 pub fn new_ref(name: &'static str, p: NACodecTypeInfo, edata: Option<Arc<Vec<u8>>>) -> Self {
e243ceb4 826 NACodecInfo { name, properties: p, extradata: edata }
66116504 827 }
7673d49a 828 /// Converts current instance into a reference-counted one.
2422d969 829 pub fn into_ref(self) -> NACodecInfoRef { Arc::new(self) }
7673d49a 830 /// Returns codec information.
8869d452 831 pub fn get_properties(&self) -> NACodecTypeInfo { self.properties }
7673d49a 832 /// Returns additional initialisation data required by the codec.
2422d969 833 pub fn get_extradata(&self) -> Option<Arc<Vec<u8>>> {
8869d452
KS
834 if let Some(ref vec) = self.extradata { return Some(vec.clone()); }
835 None
5869fd63 836 }
7673d49a 837 /// Returns codec name.
66116504 838 pub fn get_name(&self) -> &'static str { self.name }
7673d49a 839 /// Reports whether it is a video codec.
66116504
KS
840 pub fn is_video(&self) -> bool {
841 if let NACodecTypeInfo::Video(_) = self.properties { return true; }
842 false
843 }
7673d49a 844 /// Reports whether it is an audio codec.
66116504
KS
845 pub fn is_audio(&self) -> bool {
846 if let NACodecTypeInfo::Audio(_) = self.properties { return true; }
847 false
848 }
7673d49a 849 /// Constructs a new empty reference-counted instance of `NACodecInfo`.
2422d969
KS
850 pub fn new_dummy() -> Arc<Self> {
851 Arc::new(DUMMY_CODEC_INFO)
5076115b 852 }
7673d49a 853 /// Updates codec infomation.
2422d969
KS
854 pub fn replace_info(&self, p: NACodecTypeInfo) -> Arc<Self> {
855 Arc::new(NACodecInfo { name: self.name, properties: p, extradata: self.extradata.clone() })
5076115b 856 }
66116504
KS
857}
858
241e56f1
KS
859impl Default for NACodecInfo {
860 fn default() -> Self { DUMMY_CODEC_INFO }
861}
862
66116504
KS
863impl fmt::Display for NACodecInfo {
864 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
865 let edata = match self.extradata.clone() {
e243ceb4 866 None => "no extradata".to_string(),
66116504
KS
867 Some(v) => format!("{} byte(s) of extradata", v.len()),
868 };
869 write!(f, "{}: {} {}", self.name, self.properties, edata)
870 }
871}
872
7673d49a 873/// Default empty codec information.
66116504
KS
874pub const DUMMY_CODEC_INFO: NACodecInfo = NACodecInfo {
875 name: "none",
876 properties: NACodecTypeInfo::None,
877 extradata: None };
878
7673d49a 879/// A list of recognized frame types.
88c03b61
KS
880#[derive(Debug,Clone,Copy,PartialEq)]
881#[allow(dead_code)]
882pub enum FrameType {
7673d49a 883 /// Intra frame type.
88c03b61 884 I,
7673d49a 885 /// Inter frame type.
88c03b61 886 P,
7673d49a 887 /// Bidirectionally predicted frame.
88c03b61 888 B,
7673d49a
KS
889 /// Skip frame.
890 ///
891 /// When such frame is encountered then last frame should be used again if it is needed.
bc6aac3d 892 Skip,
7673d49a 893 /// Some other frame type.
88c03b61
KS
894 Other,
895}
896
897impl fmt::Display for FrameType {
898 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
899 match *self {
900 FrameType::I => write!(f, "I"),
901 FrameType::P => write!(f, "P"),
902 FrameType::B => write!(f, "B"),
bc6aac3d 903 FrameType::Skip => write!(f, "skip"),
88c03b61
KS
904 FrameType::Other => write!(f, "x"),
905 }
906 }
907}
908
7673d49a 909/// Timestamp information.
e189501e
KS
910#[derive(Debug,Clone,Copy)]
911pub struct NATimeInfo {
bf507799
KS
912 /// Presentation timestamp.
913 pub pts: Option<u64>,
914 /// Decode timestamp.
915 pub dts: Option<u64>,
916 /// Duration (in timebase units).
917 pub duration: Option<u64>,
918 /// Timebase numerator.
919 pub tb_num: u32,
920 /// Timebase denominator.
921 pub tb_den: u32,
e189501e
KS
922}
923
924impl NATimeInfo {
7673d49a 925 /// Constructs a new `NATimeInfo` instance.
e189501e 926 pub fn new(pts: Option<u64>, dts: Option<u64>, duration: Option<u64>, tb_num: u32, tb_den: u32) -> Self {
e243ceb4 927 NATimeInfo { pts, dts, duration, tb_num, tb_den }
e189501e 928 }
7673d49a 929 /// Returns presentation timestamp.
e189501e 930 pub fn get_pts(&self) -> Option<u64> { self.pts }
7673d49a 931 /// Returns decoding timestamp.
e189501e 932 pub fn get_dts(&self) -> Option<u64> { self.dts }
7673d49a 933 /// Returns duration.
e189501e 934 pub fn get_duration(&self) -> Option<u64> { self.duration }
7673d49a 935 /// Sets new presentation timestamp.
e189501e 936 pub fn set_pts(&mut self, pts: Option<u64>) { self.pts = pts; }
7673d49a 937 /// Sets new decoding timestamp.
e189501e 938 pub fn set_dts(&mut self, dts: Option<u64>) { self.dts = dts; }
7673d49a 939 /// Sets new duration.
e189501e 940 pub fn set_duration(&mut self, dur: Option<u64>) { self.duration = dur; }
266da7b9 941
7673d49a 942 /// Converts time in given scale into timestamp in given base.
b7c882c1 943 #[allow(clippy::collapsible_if)]
266da7b9 944 pub fn time_to_ts(time: u64, base: u64, tb_num: u32, tb_den: u32) -> u64 {
b36f412c
KS
945 let tb_num = u64::from(tb_num);
946 let tb_den = u64::from(tb_den);
edad6765 947 let tmp = time.checked_mul(tb_den);
266da7b9 948 if let Some(tmp) = tmp {
edad6765 949 tmp / base / tb_num
266da7b9 950 } else {
edad6765
KS
951 if tb_num < base {
952 let coarse = time / tb_num;
953 if let Some(tmp) = coarse.checked_mul(tb_den) {
954 tmp / base
955 } else {
956 (coarse / base) * tb_den
957 }
266da7b9
KS
958 } else {
959 let coarse = time / base;
edad6765
KS
960 if let Some(tmp) = coarse.checked_mul(tb_den) {
961 tmp / tb_num
266da7b9 962 } else {
edad6765 963 (coarse / tb_num) * tb_den
266da7b9
KS
964 }
965 }
966 }
967 }
7673d49a 968 /// Converts timestamp in given base into time in given scale.
a65bdeac 969 pub fn ts_to_time(ts: u64, base: u64, tb_num: u32, tb_den: u32) -> u64 {
b36f412c
KS
970 let tb_num = u64::from(tb_num);
971 let tb_den = u64::from(tb_den);
a65bdeac
KS
972 let tmp = ts.checked_mul(base);
973 if let Some(tmp) = tmp {
974 let tmp2 = tmp.checked_mul(tb_num);
975 if let Some(tmp2) = tmp2 {
976 tmp2 / tb_den
977 } else {
978 (tmp / tb_den) * tb_num
979 }
980 } else {
981 let tmp = ts.checked_mul(tb_num);
982 if let Some(tmp) = tmp {
983 (tmp / tb_den) * base
984 } else {
985 (ts / tb_den) * base * tb_num
986 }
987 }
988 }
73f0f89f 989 fn get_cur_ts(&self) -> u64 { self.pts.unwrap_or_else(|| self.dts.unwrap_or(0)) }
0eb53738
KS
990 fn get_cur_millis(&self) -> u64 {
991 let ts = self.get_cur_ts();
992 Self::ts_to_time(ts, 1000, self.tb_num, self.tb_den)
993 }
994 /// Checks whether the current time information is earler than provided reference time.
995 pub fn less_than(&self, time: NATimePoint) -> bool {
996 if self.pts.is_none() && self.dts.is_none() {
997 return true;
998 }
999 match time {
1000 NATimePoint::PTS(rpts) => self.get_cur_ts() < rpts,
1001 NATimePoint::Milliseconds(ms) => self.get_cur_millis() < ms,
1002 NATimePoint::None => false,
1003 }
1004 }
1005 /// Checks whether the current time information is the same as provided reference time.
1006 pub fn equal(&self, time: NATimePoint) -> bool {
1007 if self.pts.is_none() && self.dts.is_none() {
1008 return time == NATimePoint::None;
1009 }
1010 match time {
1011 NATimePoint::PTS(rpts) => self.get_cur_ts() == rpts,
1012 NATimePoint::Milliseconds(ms) => self.get_cur_millis() == ms,
1013 NATimePoint::None => false,
1014 }
1015 }
e189501e
KS
1016}
1017
2c6462c8
KS
1018/// Time information for specifying durations or seek positions.
1019#[derive(Clone,Copy,Debug,PartialEq)]
1020pub enum NATimePoint {
1021 /// Time in milliseconds.
1022 Milliseconds(u64),
1023 /// Stream timestamp.
1024 PTS(u64),
0eb53738
KS
1025 /// No time information present.
1026 None,
2c6462c8
KS
1027}
1028
0bc221c3
KS
1029impl Default for NATimePoint {
1030 fn default() -> Self {
1031 NATimePoint::None
1032 }
1033}
1034
2c6462c8
KS
1035impl fmt::Display for NATimePoint {
1036 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
1037 match *self {
1038 NATimePoint::Milliseconds(millis) => {
1039 let tot_s = millis / 1000;
1040 let ms = millis % 1000;
1041 if tot_s < 60 {
1042 if ms != 0 {
1043 return write!(f, "{}.{:03}", tot_s, ms);
1044 } else {
1045 return write!(f, "{}", tot_s);
1046 }
1047 }
1048 let tot_m = tot_s / 60;
1049 let s = tot_s % 60;
1050 if tot_m < 60 {
1051 if ms != 0 {
1052 return write!(f, "{}:{:02}.{:03}", tot_m, s, ms);
1053 } else {
1054 return write!(f, "{}:{:02}", tot_m, s);
1055 }
1056 }
1057 let h = tot_m / 60;
1058 let m = tot_m % 60;
1059 if ms != 0 {
1060 write!(f, "{}:{:02}:{:02}.{:03}", h, m, s, ms)
1061 } else {
1062 write!(f, "{}:{:02}:{:02}", h, m, s)
1063 }
1064 },
1065 NATimePoint::PTS(pts) => {
1066 write!(f, "{}pts", pts)
1067 },
0eb53738
KS
1068 NATimePoint::None => {
1069 write!(f, "none")
1070 },
2c6462c8
KS
1071 }
1072 }
1073}
1074
1075impl FromStr for NATimePoint {
1076 type Err = FormatParseError;
1077
1078 /// Parses the string into time information.
1079 ///
1080 /// Accepted formats are `<u64>pts`, `<u64>ms` or `[hh:][mm:]ss[.ms]`.
1081 fn from_str(s: &str) -> Result<Self, Self::Err> {
1082 if s.is_empty() {
1083 return Err(FormatParseError {});
1084 }
1085 if !s.ends_with("pts") {
1086 if s.ends_with("ms") {
1087 let str_b = s.as_bytes();
1088 let num = std::str::from_utf8(&str_b[..str_b.len() - 2]).unwrap();
1089 let ret = num.parse::<u64>();
1090 if let Ok(val) = ret {
1091 return Ok(NATimePoint::Milliseconds(val));
1092 } else {
1093 return Err(FormatParseError {});
1094 }
1095 }
1096 let mut parts = s.split(':');
1097 let mut hrs = None;
1098 let mut mins = None;
1099 let mut secs = parts.next();
1100 if let Some(part) = parts.next() {
1101 std::mem::swap(&mut mins, &mut secs);
1102 secs = Some(part);
1103 }
1104 if let Some(part) = parts.next() {
1105 std::mem::swap(&mut hrs, &mut mins);
1106 std::mem::swap(&mut mins, &mut secs);
1107 secs = Some(part);
1108 }
1109 if parts.next().is_some() {
1110 return Err(FormatParseError {});
1111 }
1112 let hours = if let Some(val) = hrs {
1113 let ret = val.parse::<u64>();
1114 if ret.is_err() { return Err(FormatParseError {}); }
1115 let val = ret.unwrap();
1116 if val > 1000 { return Err(FormatParseError {}); }
1117 val
1118 } else { 0 };
1119 let minutes = if let Some(val) = mins {
1120 let ret = val.parse::<u64>();
1121 if ret.is_err() { return Err(FormatParseError {}); }
1122 let val = ret.unwrap();
1123 if val >= 60 { return Err(FormatParseError {}); }
1124 val
1125 } else { 0 };
1126 let (seconds, millis) = if let Some(val) = secs {
1127 let mut parts = val.split('.');
1128 let ret = parts.next().unwrap().parse::<u64>();
1129 if ret.is_err() { return Err(FormatParseError {}); }
1130 let seconds = ret.unwrap();
dcabdfd2 1131 if mins.is_some() && seconds >= 60 { return Err(FormatParseError {}); }
2c6462c8
KS
1132 let millis = if let Some(val) = parts.next() {
1133 let mut mval = 0;
1134 let mut base = 0;
1135 for ch in val.chars() {
6f263099 1136 if ('0'..='9').contains(&ch) {
2c6462c8
KS
1137 mval = mval * 10 + u64::from((ch as u8) - b'0');
1138 base += 1;
1139 if base > 3 { break; }
1140 } else {
1141 return Err(FormatParseError {});
1142 }
1143 }
1144 while base < 3 {
1145 mval *= 10;
1146 base += 1;
1147 }
1148 mval
1149 } else { 0 };
1150 (seconds, millis)
1151 } else { unreachable!(); };
1152 let tot_secs = hours * 60 * 60 + minutes * 60 + seconds;
1153 Ok(NATimePoint::Milliseconds(tot_secs * 1000 + millis))
1154 } else {
1155 let str_b = s.as_bytes();
1156 let num = std::str::from_utf8(&str_b[..str_b.len() - 3]).unwrap();
1157 let ret = num.parse::<u64>();
1158 if let Ok(val) = ret {
1159 Ok(NATimePoint::PTS(val))
1160 } else {
1161 Err(FormatParseError {})
1162 }
1163 }
1164 }
1165}
1166
7673d49a 1167/// Decoded frame information.
e189501e
KS
1168#[allow(dead_code)]
1169#[derive(Clone)]
1170pub struct NAFrame {
bf507799
KS
1171 /// Frame timestamp.
1172 pub ts: NATimeInfo,
1173 /// Frame ID.
1174 pub id: i64,
1175 buffer: NABufferType,
1176 info: NACodecInfoRef,
1177 /// Frame type.
1178 pub frame_type: FrameType,
1179 /// Keyframe flag.
1180 pub key: bool,
a5ba48ac 1181// options: HashMap<String, NAValue>,
66116504
KS
1182}
1183
7673d49a 1184/// A specialised type for reference-counted `NAFrame`.
171860fc 1185pub type NAFrameRef = Arc<NAFrame>;
ebd71c92 1186
66116504
KS
1187fn get_plane_size(info: &NAVideoInfo, idx: usize) -> (usize, usize) {
1188 let chromaton = info.get_format().get_chromaton(idx);
e243ceb4 1189 if chromaton.is_none() { return (0, 0); }
66116504
KS
1190 let (hs, vs) = chromaton.unwrap().get_subsampling();
1191 let w = (info.get_width() + ((1 << hs) - 1)) >> hs;
1192 let h = (info.get_height() + ((1 << vs) - 1)) >> vs;
1193 (w, h)
1194}
1195
1196impl NAFrame {
7673d49a 1197 /// Constructs a new `NAFrame` instance.
e189501e 1198 pub fn new(ts: NATimeInfo,
88c03b61
KS
1199 ftype: FrameType,
1200 keyframe: bool,
2422d969 1201 info: NACodecInfoRef,
a5ba48ac 1202 /*options: HashMap<String, NAValue>,*/
22cb00db 1203 buffer: NABufferType) -> Self {
a5ba48ac 1204 NAFrame { ts, id: 0, buffer, info, frame_type: ftype, key: keyframe/*, options*/ }
ebd71c92 1205 }
7673d49a 1206 /// Returns frame format information.
2422d969 1207 pub fn get_info(&self) -> NACodecInfoRef { self.info.clone() }
7673d49a 1208 /// Returns frame type.
bf507799 1209 pub fn get_frame_type(&self) -> FrameType { self.frame_type }
7673d49a 1210 /// Reports whether the frame is a keyframe.
88c03b61 1211 pub fn is_keyframe(&self) -> bool { self.key }
7673d49a 1212 /// Sets new frame type.
bf507799 1213 pub fn set_frame_type(&mut self, ftype: FrameType) { self.frame_type = ftype; }
7673d49a 1214 /// Sets keyframe flag.
88c03b61 1215 pub fn set_keyframe(&mut self, key: bool) { self.key = key; }
7673d49a 1216 /// Returns frame timestamp.
e189501e 1217 pub fn get_time_information(&self) -> NATimeInfo { self.ts }
7673d49a 1218 /// Returns frame presentation time.
e189501e 1219 pub fn get_pts(&self) -> Option<u64> { self.ts.get_pts() }
7673d49a 1220 /// Returns frame decoding time.
e189501e 1221 pub fn get_dts(&self) -> Option<u64> { self.ts.get_dts() }
7673d49a 1222 /// Returns picture ID.
f18bba90 1223 pub fn get_id(&self) -> i64 { self.id }
7673d49a 1224 /// Returns frame display duration.
e189501e 1225 pub fn get_duration(&self) -> Option<u64> { self.ts.get_duration() }
7673d49a 1226 /// Sets new presentation timestamp.
e189501e 1227 pub fn set_pts(&mut self, pts: Option<u64>) { self.ts.set_pts(pts); }
7673d49a 1228 /// Sets new decoding timestamp.
e189501e 1229 pub fn set_dts(&mut self, dts: Option<u64>) { self.ts.set_dts(dts); }
7673d49a 1230 /// Sets new picture ID.
f18bba90 1231 pub fn set_id(&mut self, id: i64) { self.id = id; }
7673d49a 1232 /// Sets new duration.
e189501e 1233 pub fn set_duration(&mut self, dur: Option<u64>) { self.ts.set_duration(dur); }
66116504 1234
7673d49a 1235 /// Returns a reference to the frame data.
22cb00db 1236 pub fn get_buffer(&self) -> NABufferType { self.buffer.clone() }
171860fc 1237
7673d49a 1238 /// Converts current instance into a reference-counted one.
171860fc 1239 pub fn into_ref(self) -> NAFrameRef { Arc::new(self) }
2b8bf9a0
KS
1240
1241 /// Creates new frame with metadata from `NAPacket`.
1242 pub fn new_from_pkt(pkt: &NAPacket, info: NACodecInfoRef, buf: NABufferType) -> NAFrame {
1243 NAFrame::new(pkt.ts, FrameType::Other, pkt.keyframe, info, /*HashMap::new(),*/ buf)
1244 }
5869fd63
KS
1245}
1246
ebd71c92
KS
1247impl fmt::Display for NAFrame {
1248 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
bf507799 1249 let mut ostr = format!("frame type {}", self.frame_type);
e243ceb4
KS
1250 if let Some(pts) = self.ts.pts { ostr = format!("{} pts {}", ostr, pts); }
1251 if let Some(dts) = self.ts.dts { ostr = format!("{} dts {}", ostr, dts); }
1252 if let Some(dur) = self.ts.duration { ostr = format!("{} duration {}", ostr, dur); }
1253 if self.key { ostr = format!("{} kf", ostr); }
1254 write!(f, "[{}]", ostr)
ebd71c92
KS
1255 }
1256}
88c03b61 1257
7673d49a 1258/// A list of possible stream types.
baf5478c 1259#[derive(Debug,Clone,Copy,PartialEq)]
5869fd63 1260#[allow(dead_code)]
48c88fde 1261pub enum StreamType {
7673d49a 1262 /// Video stream.
48c88fde 1263 Video,
7673d49a 1264 /// Audio stream.
48c88fde 1265 Audio,
7673d49a 1266 /// Subtitles.
48c88fde 1267 Subtitles,
7673d49a 1268 /// Any data stream (or might be an unrecognized audio/video stream).
48c88fde 1269 Data,
7673d49a 1270 /// Nonexistent stream.
48c88fde
KS
1271 None,
1272}
1273
1274impl fmt::Display for StreamType {
1275 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
1276 match *self {
1277 StreamType::Video => write!(f, "Video"),
1278 StreamType::Audio => write!(f, "Audio"),
1279 StreamType::Subtitles => write!(f, "Subtitles"),
1280 StreamType::Data => write!(f, "Data"),
1281 StreamType::None => write!(f, "-"),
1282 }
1283 }
1284}
1285
7673d49a 1286/// Stream data.
48c88fde
KS
1287#[allow(dead_code)]
1288#[derive(Clone)]
1289pub struct NAStream {
bf507799
KS
1290 media_type: StreamType,
1291 /// Stream ID.
1292 pub id: u32,
1293 num: usize,
1294 info: NACodecInfoRef,
1295 /// Timebase numerator.
1296 pub tb_num: u32,
1297 /// Timebase denominator.
1298 pub tb_den: u32,
a480a0de
KS
1299 /// Duration in timebase units (zero if not available).
1300 pub duration: u64,
e189501e
KS
1301}
1302
7673d49a 1303/// A specialised reference-counted `NAStream` type.
70910ac3
KS
1304pub type NAStreamRef = Arc<NAStream>;
1305
7673d49a 1306/// Downscales the timebase by its greatest common denominator.
b7c882c1 1307#[allow(clippy::comparison_chain)]
e189501e
KS
1308pub fn reduce_timebase(tb_num: u32, tb_den: u32) -> (u32, u32) {
1309 if tb_num == 0 { return (tb_num, tb_den); }
1310 if (tb_den % tb_num) == 0 { return (1, tb_den / tb_num); }
1311
1312 let mut a = tb_num;
1313 let mut b = tb_den;
1314
1315 while a != b {
1316 if a > b { a -= b; }
1317 else if b > a { b -= a; }
1318 }
1319
1320 (tb_num / a, tb_den / a)
5869fd63 1321}
48c88fde
KS
1322
1323impl NAStream {
7673d49a 1324 /// Constructs a new `NAStream` instance.
a480a0de 1325 pub fn new(mt: StreamType, id: u32, info: NACodecInfo, tb_num: u32, tb_den: u32, duration: u64) -> Self {
e189501e 1326 let (n, d) = reduce_timebase(tb_num, tb_den);
a480a0de 1327 NAStream { media_type: mt, id, num: 0, info: info.into_ref(), tb_num: n, tb_den: d, duration }
48c88fde 1328 }
7673d49a 1329 /// Returns stream id.
48c88fde 1330 pub fn get_id(&self) -> u32 { self.id }
7673d49a 1331 /// Returns stream type.
baf5478c 1332 pub fn get_media_type(&self) -> StreamType { self.media_type }
7673d49a 1333 /// Returns stream number assigned by demuxer.
48c88fde 1334 pub fn get_num(&self) -> usize { self.num }
7673d49a 1335 /// Sets stream number.
48c88fde 1336 pub fn set_num(&mut self, num: usize) { self.num = num; }
7673d49a 1337 /// Returns codec information.
2422d969 1338 pub fn get_info(&self) -> NACodecInfoRef { self.info.clone() }
7673d49a 1339 /// Returns stream timebase.
e189501e 1340 pub fn get_timebase(&self) -> (u32, u32) { (self.tb_num, self.tb_den) }
7673d49a 1341 /// Sets new stream timebase.
e189501e
KS
1342 pub fn set_timebase(&mut self, tb_num: u32, tb_den: u32) {
1343 let (n, d) = reduce_timebase(tb_num, tb_den);
1344 self.tb_num = n;
1345 self.tb_den = d;
1346 }
a480a0de 1347 /// Returns stream duration.
556509ab 1348 pub fn get_duration(&self) -> u64 { self.duration }
3867d436
KS
1349 /// Constructs a new timestamp.
1350 pub fn make_ts(&self, pts: Option<u64>, dts: Option<u64>, duration: Option<u64>) -> NATimeInfo {
1351 NATimeInfo::new(pts, dts, duration, self.tb_num, self.tb_den)
1352 }
7673d49a 1353 /// Converts current instance into a reference-counted one.
70910ac3 1354 pub fn into_ref(self) -> NAStreamRef { Arc::new(self) }
48c88fde
KS
1355}
1356
1357impl fmt::Display for NAStream {
1358 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
e189501e 1359 write!(f, "({}#{} @ {}/{} - {})", self.media_type, self.id, self.tb_num, self.tb_den, self.info.get_properties())
48c88fde
KS
1360 }
1361}
1362
8057a7fd
KS
1363/// Side data that may accompany demuxed data.
1364#[derive(Clone)]
1365pub enum NASideData {
1366 /// Palette information.
1367 ///
1368 /// This side data contains a flag signalling that palette has changed since previous time and a reference to the current palette.
1369 /// Palette is stored in 8-bit RGBA format.
1370 Palette(bool, Arc<[u8; 1024]>),
1371 /// Generic user data.
1372 UserData(Arc<Vec<u8>>),
1373}
1374
7673d49a 1375/// Packet with compressed data.
48c88fde
KS
1376#[allow(dead_code)]
1377pub struct NAPacket {
bf507799
KS
1378 stream: NAStreamRef,
1379 /// Packet timestamp.
1380 pub ts: NATimeInfo,
1381 buffer: NABufferRef<Vec<u8>>,
1382 /// Keyframe flag.
1383 pub keyframe: bool,
48c88fde 1384// options: HashMap<String, NAValue<'a>>,
8057a7fd
KS
1385 /// Packet side data (e.g. palette for paletted formats).
1386 pub side_data: Vec<NASideData>,
48c88fde
KS
1387}
1388
1389impl NAPacket {
7673d49a 1390 /// Constructs a new `NAPacket` instance.
405cec9e 1391 pub fn new(stream: NAStreamRef, ts: NATimeInfo, kf: bool, vec: Vec<u8>) -> Self {
48c88fde
KS
1392// let mut vec: Vec<u8> = Vec::new();
1393// vec.resize(size, 0);
405cec9e 1394 NAPacket { stream, ts, keyframe: kf, buffer: NABufferRef::new(vec), side_data: Vec::new() }
48c88fde 1395 }
89f25cd7 1396 /// Constructs a new `NAPacket` instance reusing a buffer reference.
405cec9e
KS
1397 pub fn new_from_refbuf(stream: NAStreamRef, ts: NATimeInfo, kf: bool, buffer: NABufferRef<Vec<u8>>) -> Self {
1398 NAPacket { stream, ts, keyframe: kf, buffer, side_data: Vec::new() }
89f25cd7 1399 }
7673d49a 1400 /// Returns information about the stream packet belongs to.
70910ac3 1401 pub fn get_stream(&self) -> NAStreamRef { self.stream.clone() }
7673d49a 1402 /// Returns packet timestamp.
e189501e 1403 pub fn get_time_information(&self) -> NATimeInfo { self.ts }
7673d49a 1404 /// Returns packet presentation timestamp.
e189501e 1405 pub fn get_pts(&self) -> Option<u64> { self.ts.get_pts() }
7673d49a 1406 /// Returns packet decoding timestamp.
e189501e 1407 pub fn get_dts(&self) -> Option<u64> { self.ts.get_dts() }
7673d49a 1408 /// Returns packet duration.
e189501e 1409 pub fn get_duration(&self) -> Option<u64> { self.ts.get_duration() }
7673d49a 1410 /// Reports whether this is a keyframe packet.
48c88fde 1411 pub fn is_keyframe(&self) -> bool { self.keyframe }
7673d49a 1412 /// Returns a reference to packet data.
1a967e6b 1413 pub fn get_buffer(&self) -> NABufferRef<Vec<u8>> { self.buffer.clone() }
8057a7fd
KS
1414 /// Adds side data for a packet.
1415 pub fn add_side_data(&mut self, side_data: NASideData) { self.side_data.push(side_data); }
b3785cd7 1416 /// Assigns packet to a new stream.
405cec9e
KS
1417 pub fn reassign(&mut self, stream: NAStreamRef, ts: NATimeInfo) {
1418 self.stream = stream;
b3785cd7
KS
1419 self.ts = ts;
1420 }
48c88fde
KS
1421}
1422
1423impl Drop for NAPacket {
1424 fn drop(&mut self) {}
1425}
1426
1427impl fmt::Display for NAPacket {
1428 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
e243ceb4
KS
1429 let mut ostr = format!("[pkt for {} size {}", self.stream, self.buffer.len());
1430 if let Some(pts) = self.ts.pts { ostr = format!("{} pts {}", ostr, pts); }
1431 if let Some(dts) = self.ts.dts { ostr = format!("{} dts {}", ostr, dts); }
1432 if let Some(dur) = self.ts.duration { ostr = format!("{} duration {}", ostr, dur); }
1433 if self.keyframe { ostr = format!("{} kf", ostr); }
1434 ostr += "]";
1435 write!(f, "{}", ostr)
48c88fde
KS
1436 }
1437}
2c6462c8 1438
1ebf572d
KS
1439/// Packet with a piece of data for a raw stream.
1440pub struct NARawData {
1441 stream: NAStreamRef,
1442 buffer: NABufferRef<Vec<u8>>,
1443}
1444
1445impl NARawData {
1446 /// Constructs a new `NARawData` instance.
1447 pub fn new(stream: NAStreamRef, vec: Vec<u8>) -> Self {
1448 Self { stream, buffer: NABufferRef::new(vec) }
1449 }
1450 /// Constructs a new `NARawData` instance reusing a buffer reference.
1451 pub fn new_from_refbuf(stream: NAStreamRef, buffer: NABufferRef<Vec<u8>>) -> Self {
1452 Self { stream, buffer }
1453 }
1454 /// Returns information about the stream this data belongs to.
1455 pub fn get_stream(&self) -> NAStreamRef { self.stream.clone() }
1456 /// Returns a reference to packet data.
1457 pub fn get_buffer(&self) -> NABufferRef<Vec<u8>> { self.buffer.clone() }
1458 /// Assigns raw data to a new stream.
1459 pub fn reassign(&mut self, stream: NAStreamRef) {
1460 self.stream = stream;
1461 }
1462}
1463
1464impl fmt::Display for NARawData {
1465 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
1466 write!(f, "[raw data for {} size {}]", self.stream, self.buffer.len())
1467 }
1468}
1469
2c6462c8
KS
1470#[cfg(test)]
1471mod test {
1472 use super::*;
1473
1474 #[test]
1475 fn test_time_parse() {
1476 assert_eq!(NATimePoint::PTS(42).to_string(), "42pts");
1477 assert_eq!(NATimePoint::Milliseconds(4242000).to_string(), "1:10:42");
1478 assert_eq!(NATimePoint::Milliseconds(42424242).to_string(), "11:47:04.242");
1479 let ret = NATimePoint::from_str("42pts");
1480 assert_eq!(ret.unwrap(), NATimePoint::PTS(42));
1481 let ret = NATimePoint::from_str("1:2:3");
1482 assert_eq!(ret.unwrap(), NATimePoint::Milliseconds(3723000));
1483 let ret = NATimePoint::from_str("1:2:3.42");
1484 assert_eq!(ret.unwrap(), NATimePoint::Milliseconds(3723420));
1485 }
1486}