]>
Commit | Line | Data |
---|---|---|
1 | use std::cmp::max; | |
2 | use std::collections::HashMap; | |
3 | use std::fmt; | |
4 | pub use std::rc::Rc; | |
5 | pub use std::cell::*; | |
6 | pub use crate::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 | pub fn set_width(&mut self, w: usize) { self.width = w; } | |
51 | pub fn set_height(&mut self, h: usize) { self.height = h; } | |
52 | } | |
53 | ||
54 | impl fmt::Display for NAVideoInfo { | |
55 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | |
56 | write!(f, "{}x{}", self.width, self.height) | |
57 | } | |
58 | } | |
59 | ||
60 | #[derive(Clone,Copy,PartialEq)] | |
61 | pub enum NACodecTypeInfo { | |
62 | None, | |
63 | Audio(NAAudioInfo), | |
64 | Video(NAVideoInfo), | |
65 | } | |
66 | ||
67 | impl NACodecTypeInfo { | |
68 | pub fn get_video_info(&self) -> Option<NAVideoInfo> { | |
69 | match *self { | |
70 | NACodecTypeInfo::Video(vinfo) => Some(vinfo), | |
71 | _ => None, | |
72 | } | |
73 | } | |
74 | pub fn get_audio_info(&self) -> Option<NAAudioInfo> { | |
75 | match *self { | |
76 | NACodecTypeInfo::Audio(ainfo) => Some(ainfo), | |
77 | _ => None, | |
78 | } | |
79 | } | |
80 | pub fn is_video(&self) -> bool { | |
81 | match *self { | |
82 | NACodecTypeInfo::Video(_) => true, | |
83 | _ => false, | |
84 | } | |
85 | } | |
86 | pub fn is_audio(&self) -> bool { | |
87 | match *self { | |
88 | NACodecTypeInfo::Audio(_) => true, | |
89 | _ => false, | |
90 | } | |
91 | } | |
92 | } | |
93 | ||
94 | impl fmt::Display for NACodecTypeInfo { | |
95 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | |
96 | let ret = match *self { | |
97 | NACodecTypeInfo::None => format!(""), | |
98 | NACodecTypeInfo::Audio(fmt) => format!("{}", fmt), | |
99 | NACodecTypeInfo::Video(fmt) => format!("{}", fmt), | |
100 | }; | |
101 | write!(f, "{}", ret) | |
102 | } | |
103 | } | |
104 | ||
105 | pub type NABufferRefT<T> = Rc<RefCell<Vec<T>>>; | |
106 | ||
107 | #[derive(Clone)] | |
108 | pub struct NAVideoBuffer<T> { | |
109 | info: NAVideoInfo, | |
110 | data: NABufferRefT<T>, | |
111 | offs: Vec<usize>, | |
112 | strides: Vec<usize>, | |
113 | } | |
114 | ||
115 | impl<T: Clone> NAVideoBuffer<T> { | |
116 | pub fn get_offset(&self, idx: usize) -> usize { | |
117 | if idx >= self.offs.len() { 0 } | |
118 | else { self.offs[idx] } | |
119 | } | |
120 | pub fn get_info(&self) -> NAVideoInfo { self.info } | |
121 | pub fn get_data(&self) -> Ref<Vec<T>> { self.data.borrow() } | |
122 | pub fn get_data_mut(&mut self) -> RefMut<Vec<T>> { self.data.borrow_mut() } | |
123 | pub fn copy_buffer(&mut self) -> Self { | |
124 | let mut data: Vec<T> = Vec::with_capacity(self.data.borrow().len()); | |
125 | data.clone_from(self.data.borrow().as_ref()); | |
126 | let mut offs: Vec<usize> = Vec::with_capacity(self.offs.len()); | |
127 | offs.clone_from(&self.offs); | |
128 | let mut strides: Vec<usize> = Vec::with_capacity(self.strides.len()); | |
129 | strides.clone_from(&self.strides); | |
130 | NAVideoBuffer { info: self.info, data: Rc::new(RefCell::new(data)), offs: offs, strides: strides } | |
131 | } | |
132 | pub fn get_stride(&self, idx: usize) -> usize { | |
133 | if idx >= self.strides.len() { return 0; } | |
134 | self.strides[idx] | |
135 | } | |
136 | pub fn get_dimensions(&self, idx: usize) -> (usize, usize) { | |
137 | get_plane_size(&self.info, idx) | |
138 | } | |
139 | } | |
140 | ||
141 | #[derive(Clone)] | |
142 | pub struct NAAudioBuffer<T> { | |
143 | info: NAAudioInfo, | |
144 | data: NABufferRefT<T>, | |
145 | offs: Vec<usize>, | |
146 | chmap: NAChannelMap, | |
147 | len: usize, | |
148 | } | |
149 | ||
150 | impl<T: Clone> NAAudioBuffer<T> { | |
151 | pub fn get_offset(&self, idx: usize) -> usize { | |
152 | if idx >= self.offs.len() { 0 } | |
153 | else { self.offs[idx] } | |
154 | } | |
155 | pub fn get_info(&self) -> NAAudioInfo { self.info } | |
156 | pub fn get_chmap(&self) -> NAChannelMap { self.chmap.clone() } | |
157 | pub fn get_data(&self) -> Ref<Vec<T>> { self.data.borrow() } | |
158 | pub fn get_data_mut(&mut self) -> RefMut<Vec<T>> { self.data.borrow_mut() } | |
159 | pub fn copy_buffer(&mut self) -> Self { | |
160 | let mut data: Vec<T> = Vec::with_capacity(self.data.borrow().len()); | |
161 | data.clone_from(self.data.borrow().as_ref()); | |
162 | let mut offs: Vec<usize> = Vec::with_capacity(self.offs.len()); | |
163 | offs.clone_from(&self.offs); | |
164 | NAAudioBuffer { info: self.info, data: Rc::new(RefCell::new(data)), offs: offs, chmap: self.get_chmap(), len: self.len } | |
165 | } | |
166 | pub fn get_length(&self) -> usize { self.len } | |
167 | } | |
168 | ||
169 | impl NAAudioBuffer<u8> { | |
170 | pub fn new_from_buf(info: NAAudioInfo, data: NABufferRefT<u8>, chmap: NAChannelMap) -> Self { | |
171 | let len = data.borrow().len(); | |
172 | NAAudioBuffer { info: info, data: data, chmap: chmap, offs: Vec::new(), len: len } | |
173 | } | |
174 | } | |
175 | ||
176 | #[derive(Clone)] | |
177 | pub enum NABufferType { | |
178 | Video (NAVideoBuffer<u8>), | |
179 | Video16 (NAVideoBuffer<u16>), | |
180 | Video32 (NAVideoBuffer<u32>), | |
181 | VideoPacked(NAVideoBuffer<u8>), | |
182 | AudioU8 (NAAudioBuffer<u8>), | |
183 | AudioI16 (NAAudioBuffer<i16>), | |
184 | AudioI32 (NAAudioBuffer<i32>), | |
185 | AudioF32 (NAAudioBuffer<f32>), | |
186 | AudioPacked(NAAudioBuffer<u8>), | |
187 | Data (NABufferRefT<u8>), | |
188 | None, | |
189 | } | |
190 | ||
191 | impl NABufferType { | |
192 | pub fn get_offset(&self, idx: usize) -> usize { | |
193 | match *self { | |
194 | NABufferType::Video(ref vb) => vb.get_offset(idx), | |
195 | NABufferType::Video16(ref vb) => vb.get_offset(idx), | |
196 | NABufferType::Video32(ref vb) => vb.get_offset(idx), | |
197 | NABufferType::VideoPacked(ref vb) => vb.get_offset(idx), | |
198 | NABufferType::AudioU8(ref ab) => ab.get_offset(idx), | |
199 | NABufferType::AudioI16(ref ab) => ab.get_offset(idx), | |
200 | NABufferType::AudioF32(ref ab) => ab.get_offset(idx), | |
201 | NABufferType::AudioPacked(ref ab) => ab.get_offset(idx), | |
202 | _ => 0, | |
203 | } | |
204 | } | |
205 | pub fn get_video_info(&self) -> Option<NAVideoInfo> { | |
206 | match *self { | |
207 | NABufferType::Video(ref vb) => Some(vb.get_info()), | |
208 | NABufferType::Video16(ref vb) => Some(vb.get_info()), | |
209 | NABufferType::Video32(ref vb) => Some(vb.get_info()), | |
210 | NABufferType::VideoPacked(ref vb) => Some(vb.get_info()), | |
211 | _ => None, | |
212 | } | |
213 | } | |
214 | pub fn get_vbuf(&self) -> Option<NAVideoBuffer<u8>> { | |
215 | match *self { | |
216 | NABufferType::Video(ref vb) => Some(vb.clone()), | |
217 | NABufferType::VideoPacked(ref vb) => Some(vb.clone()), | |
218 | _ => None, | |
219 | } | |
220 | } | |
221 | pub fn get_vbuf16(&self) -> Option<NAVideoBuffer<u16>> { | |
222 | match *self { | |
223 | NABufferType::Video16(ref vb) => Some(vb.clone()), | |
224 | _ => None, | |
225 | } | |
226 | } | |
227 | pub fn get_vbuf32(&self) -> Option<NAVideoBuffer<u32>> { | |
228 | match *self { | |
229 | NABufferType::Video32(ref vb) => Some(vb.clone()), | |
230 | _ => None, | |
231 | } | |
232 | } | |
233 | pub fn get_abuf_u8(&self) -> Option<NAAudioBuffer<u8>> { | |
234 | match *self { | |
235 | NABufferType::AudioU8(ref ab) => Some(ab.clone()), | |
236 | NABufferType::AudioPacked(ref ab) => Some(ab.clone()), | |
237 | _ => None, | |
238 | } | |
239 | } | |
240 | pub fn get_abuf_i16(&self) -> Option<NAAudioBuffer<i16>> { | |
241 | match *self { | |
242 | NABufferType::AudioI16(ref ab) => Some(ab.clone()), | |
243 | _ => None, | |
244 | } | |
245 | } | |
246 | pub fn get_abuf_i32(&self) -> Option<NAAudioBuffer<i32>> { | |
247 | match *self { | |
248 | NABufferType::AudioI32(ref ab) => Some(ab.clone()), | |
249 | _ => None, | |
250 | } | |
251 | } | |
252 | pub fn get_abuf_f32(&self) -> Option<NAAudioBuffer<f32>> { | |
253 | match *self { | |
254 | NABufferType::AudioF32(ref ab) => Some(ab.clone()), | |
255 | _ => None, | |
256 | } | |
257 | } | |
258 | } | |
259 | ||
260 | #[derive(Debug,Clone,Copy,PartialEq)] | |
261 | pub enum AllocatorError { | |
262 | TooLargeDimensions, | |
263 | FormatError, | |
264 | } | |
265 | ||
266 | pub fn alloc_video_buffer(vinfo: NAVideoInfo, align: u8) -> Result<NABufferType, AllocatorError> { | |
267 | let fmt = &vinfo.format; | |
268 | let mut new_size: usize = 0; | |
269 | let mut offs: Vec<usize> = Vec::new(); | |
270 | let mut strides: Vec<usize> = Vec::new(); | |
271 | ||
272 | for i in 0..fmt.get_num_comp() { | |
273 | if fmt.get_chromaton(i) == None { return Err(AllocatorError::FormatError); } | |
274 | } | |
275 | ||
276 | let align_mod = ((1 << align) as usize) - 1; | |
277 | let width = ((vinfo.width as usize) + align_mod) & !align_mod; | |
278 | let height = ((vinfo.height as usize) + align_mod) & !align_mod; | |
279 | let mut max_depth = 0; | |
280 | let mut all_packed = true; | |
281 | let mut all_bytealigned = true; | |
282 | for i in 0..fmt.get_num_comp() { | |
283 | let ochr = fmt.get_chromaton(i); | |
284 | if let None = ochr { continue; } | |
285 | let chr = ochr.unwrap(); | |
286 | if !chr.is_packed() { | |
287 | all_packed = false; | |
288 | } else if ((chr.get_shift() + chr.get_depth()) & 7) != 0 { | |
289 | all_bytealigned = false; | |
290 | } | |
291 | max_depth = max(max_depth, chr.get_depth()); | |
292 | } | |
293 | let unfit_elem_size = match fmt.get_elem_size() { | |
294 | 2 | 4 => false, | |
295 | _ => true, | |
296 | }; | |
297 | ||
298 | //todo semi-packed like NV12 | |
299 | if fmt.is_paletted() { | |
300 | //todo various-sized palettes? | |
301 | let stride = vinfo.get_format().get_chromaton(0).unwrap().get_linesize(width); | |
302 | let pic_sz = stride.checked_mul(height); | |
303 | if pic_sz == None { return Err(AllocatorError::TooLargeDimensions); } | |
304 | let pal_size = 256 * (fmt.get_elem_size() as usize); | |
305 | let new_size = pic_sz.unwrap().checked_add(pal_size); | |
306 | if new_size == None { return Err(AllocatorError::TooLargeDimensions); } | |
307 | offs.push(0); | |
308 | offs.push(stride * height); | |
309 | strides.push(stride); | |
310 | let mut data: Vec<u8> = Vec::with_capacity(new_size.unwrap()); | |
311 | data.resize(new_size.unwrap(), 0); | |
312 | let buf: NAVideoBuffer<u8> = NAVideoBuffer { data: Rc::new(RefCell::new(data)), info: vinfo, offs: offs, strides: strides }; | |
313 | Ok(NABufferType::Video(buf)) | |
314 | } else if !all_packed { | |
315 | for i in 0..fmt.get_num_comp() { | |
316 | let ochr = fmt.get_chromaton(i); | |
317 | if let None = ochr { continue; } | |
318 | let chr = ochr.unwrap(); | |
319 | if !vinfo.is_flipped() { | |
320 | offs.push(new_size as usize); | |
321 | } | |
322 | let stride = chr.get_linesize(width); | |
323 | let cur_h = chr.get_height(height); | |
324 | let cur_sz = stride.checked_mul(cur_h); | |
325 | if cur_sz == None { return Err(AllocatorError::TooLargeDimensions); } | |
326 | let new_sz = new_size.checked_add(cur_sz.unwrap()); | |
327 | if new_sz == None { return Err(AllocatorError::TooLargeDimensions); } | |
328 | new_size = new_sz.unwrap(); | |
329 | if vinfo.is_flipped() { | |
330 | offs.push(new_size as usize); | |
331 | } | |
332 | strides.push(stride); | |
333 | } | |
334 | if max_depth <= 8 { | |
335 | let mut data: Vec<u8> = Vec::with_capacity(new_size); | |
336 | data.resize(new_size, 0); | |
337 | let buf: NAVideoBuffer<u8> = NAVideoBuffer { data: Rc::new(RefCell::new(data)), info: vinfo, offs: offs, strides: strides }; | |
338 | Ok(NABufferType::Video(buf)) | |
339 | } else if max_depth <= 16 { | |
340 | let mut data: Vec<u16> = Vec::with_capacity(new_size); | |
341 | data.resize(new_size, 0); | |
342 | let buf: NAVideoBuffer<u16> = NAVideoBuffer { data: Rc::new(RefCell::new(data)), info: vinfo, offs: offs, strides: strides }; | |
343 | Ok(NABufferType::Video16(buf)) | |
344 | } else { | |
345 | let mut data: Vec<u32> = Vec::with_capacity(new_size); | |
346 | data.resize(new_size, 0); | |
347 | let buf: NAVideoBuffer<u32> = NAVideoBuffer { data: Rc::new(RefCell::new(data)), info: vinfo, offs: offs, strides: strides }; | |
348 | Ok(NABufferType::Video32(buf)) | |
349 | } | |
350 | } else if all_bytealigned || unfit_elem_size { | |
351 | let elem_sz = fmt.get_elem_size(); | |
352 | let line_sz = width.checked_mul(elem_sz as usize); | |
353 | if line_sz == None { return Err(AllocatorError::TooLargeDimensions); } | |
354 | let new_sz = line_sz.unwrap().checked_mul(height); | |
355 | if new_sz == None { return Err(AllocatorError::TooLargeDimensions); } | |
356 | new_size = new_sz.unwrap(); | |
357 | let mut data: Vec<u8> = Vec::with_capacity(new_size); | |
358 | data.resize(new_size, 0); | |
359 | strides.push(line_sz.unwrap()); | |
360 | let buf: NAVideoBuffer<u8> = NAVideoBuffer { data: Rc::new(RefCell::new(data)), info: vinfo, offs: offs, strides: strides }; | |
361 | Ok(NABufferType::VideoPacked(buf)) | |
362 | } else { | |
363 | let elem_sz = fmt.get_elem_size(); | |
364 | let new_sz = width.checked_mul(height); | |
365 | if new_sz == None { return Err(AllocatorError::TooLargeDimensions); } | |
366 | new_size = new_sz.unwrap(); | |
367 | match elem_sz { | |
368 | 2 => { | |
369 | let mut data: Vec<u16> = Vec::with_capacity(new_size); | |
370 | data.resize(new_size, 0); | |
371 | strides.push(width); | |
372 | let buf: NAVideoBuffer<u16> = NAVideoBuffer { data: Rc::new(RefCell::new(data)), info: vinfo, offs: offs, strides: strides }; | |
373 | Ok(NABufferType::Video16(buf)) | |
374 | }, | |
375 | 4 => { | |
376 | let mut data: Vec<u32> = Vec::with_capacity(new_size); | |
377 | data.resize(new_size, 0); | |
378 | strides.push(width); | |
379 | let buf: NAVideoBuffer<u32> = NAVideoBuffer { data: Rc::new(RefCell::new(data)), info: vinfo, offs: offs, strides: strides }; | |
380 | Ok(NABufferType::Video32(buf)) | |
381 | }, | |
382 | _ => unreachable!(), | |
383 | } | |
384 | } | |
385 | } | |
386 | ||
387 | pub fn alloc_audio_buffer(ainfo: NAAudioInfo, nsamples: usize, chmap: NAChannelMap) -> Result<NABufferType, AllocatorError> { | |
388 | let mut offs: Vec<usize> = Vec::new(); | |
389 | if ainfo.format.is_planar() || (ainfo.channels == 1 && (ainfo.format.get_bits() % 8) == 0) { | |
390 | let len = nsamples.checked_mul(ainfo.channels as usize); | |
391 | if len == None { return Err(AllocatorError::TooLargeDimensions); } | |
392 | let length = len.unwrap(); | |
393 | for i in 0..ainfo.channels { | |
394 | offs.push((i as usize) * nsamples); | |
395 | } | |
396 | if ainfo.format.is_float() { | |
397 | if ainfo.format.get_bits() == 32 { | |
398 | let mut data: Vec<f32> = Vec::with_capacity(length); | |
399 | data.resize(length, 0.0); | |
400 | let buf: NAAudioBuffer<f32> = NAAudioBuffer { data: Rc::new(RefCell::new(data)), info: ainfo, offs: offs, chmap: chmap, len: nsamples }; | |
401 | Ok(NABufferType::AudioF32(buf)) | |
402 | } else { | |
403 | Err(AllocatorError::TooLargeDimensions) | |
404 | } | |
405 | } else { | |
406 | if ainfo.format.get_bits() == 8 && !ainfo.format.is_signed() { | |
407 | let mut data: Vec<u8> = Vec::with_capacity(length); | |
408 | data.resize(length, 0); | |
409 | let buf: NAAudioBuffer<u8> = NAAudioBuffer { data: Rc::new(RefCell::new(data)), info: ainfo, offs: offs, chmap: chmap, len: nsamples }; | |
410 | Ok(NABufferType::AudioU8(buf)) | |
411 | } else if ainfo.format.get_bits() == 16 && ainfo.format.is_signed() { | |
412 | let mut data: Vec<i16> = Vec::with_capacity(length); | |
413 | data.resize(length, 0); | |
414 | let buf: NAAudioBuffer<i16> = NAAudioBuffer { data: Rc::new(RefCell::new(data)), info: ainfo, offs: offs, chmap: chmap, len: nsamples }; | |
415 | Ok(NABufferType::AudioI16(buf)) | |
416 | } else { | |
417 | Err(AllocatorError::TooLargeDimensions) | |
418 | } | |
419 | } | |
420 | } else { | |
421 | let len = nsamples.checked_mul(ainfo.channels as usize); | |
422 | if len == None { return Err(AllocatorError::TooLargeDimensions); } | |
423 | let length = ainfo.format.get_audio_size(len.unwrap() as u64); | |
424 | let mut data: Vec<u8> = Vec::with_capacity(length); | |
425 | data.resize(length, 0); | |
426 | let buf: NAAudioBuffer<u8> = NAAudioBuffer { data: Rc::new(RefCell::new(data)), info: ainfo, offs: offs, chmap: chmap, len: nsamples }; | |
427 | Ok(NABufferType::AudioPacked(buf)) | |
428 | } | |
429 | } | |
430 | ||
431 | pub fn alloc_data_buffer(size: usize) -> Result<NABufferType, AllocatorError> { | |
432 | let mut data: Vec<u8> = Vec::with_capacity(size); | |
433 | data.resize(size, 0); | |
434 | let buf: NABufferRefT<u8> = Rc::new(RefCell::new(data)); | |
435 | Ok(NABufferType::Data(buf)) | |
436 | } | |
437 | ||
438 | pub fn copy_buffer(buf: NABufferType) -> NABufferType { | |
439 | buf.clone() | |
440 | } | |
441 | ||
442 | #[allow(dead_code)] | |
443 | #[derive(Clone)] | |
444 | pub struct NACodecInfo { | |
445 | name: &'static str, | |
446 | properties: NACodecTypeInfo, | |
447 | extradata: Option<Rc<Vec<u8>>>, | |
448 | } | |
449 | ||
450 | impl NACodecInfo { | |
451 | pub fn new(name: &'static str, p: NACodecTypeInfo, edata: Option<Vec<u8>>) -> Self { | |
452 | let extradata = match edata { | |
453 | None => None, | |
454 | Some(vec) => Some(Rc::new(vec)), | |
455 | }; | |
456 | NACodecInfo { name: name, properties: p, extradata: extradata } | |
457 | } | |
458 | pub fn new_ref(name: &'static str, p: NACodecTypeInfo, edata: Option<Rc<Vec<u8>>>) -> Self { | |
459 | NACodecInfo { name: name, properties: p, extradata: edata } | |
460 | } | |
461 | pub fn get_properties(&self) -> NACodecTypeInfo { self.properties } | |
462 | pub fn get_extradata(&self) -> Option<Rc<Vec<u8>>> { | |
463 | if let Some(ref vec) = self.extradata { return Some(vec.clone()); } | |
464 | None | |
465 | } | |
466 | pub fn get_name(&self) -> &'static str { self.name } | |
467 | pub fn is_video(&self) -> bool { | |
468 | if let NACodecTypeInfo::Video(_) = self.properties { return true; } | |
469 | false | |
470 | } | |
471 | pub fn is_audio(&self) -> bool { | |
472 | if let NACodecTypeInfo::Audio(_) = self.properties { return true; } | |
473 | false | |
474 | } | |
475 | pub fn new_dummy() -> Rc<Self> { | |
476 | Rc::new(DUMMY_CODEC_INFO) | |
477 | } | |
478 | pub fn replace_info(&self, p: NACodecTypeInfo) -> Rc<Self> { | |
479 | Rc::new(NACodecInfo { name: self.name, properties: p, extradata: self.extradata.clone() }) | |
480 | } | |
481 | } | |
482 | ||
483 | impl Default for NACodecInfo { | |
484 | fn default() -> Self { DUMMY_CODEC_INFO } | |
485 | } | |
486 | ||
487 | impl fmt::Display for NACodecInfo { | |
488 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | |
489 | let edata = match self.extradata.clone() { | |
490 | None => format!("no extradata"), | |
491 | Some(v) => format!("{} byte(s) of extradata", v.len()), | |
492 | }; | |
493 | write!(f, "{}: {} {}", self.name, self.properties, edata) | |
494 | } | |
495 | } | |
496 | ||
497 | pub const DUMMY_CODEC_INFO: NACodecInfo = NACodecInfo { | |
498 | name: "none", | |
499 | properties: NACodecTypeInfo::None, | |
500 | extradata: None }; | |
501 | ||
502 | #[derive(Debug,Clone)] | |
503 | pub enum NAValue { | |
504 | None, | |
505 | Int(i32), | |
506 | Long(i64), | |
507 | String(String), | |
508 | Data(Rc<Vec<u8>>), | |
509 | } | |
510 | ||
511 | #[derive(Debug,Clone,Copy,PartialEq)] | |
512 | #[allow(dead_code)] | |
513 | pub enum FrameType { | |
514 | I, | |
515 | P, | |
516 | B, | |
517 | Skip, | |
518 | Other, | |
519 | } | |
520 | ||
521 | impl fmt::Display for FrameType { | |
522 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | |
523 | match *self { | |
524 | FrameType::I => write!(f, "I"), | |
525 | FrameType::P => write!(f, "P"), | |
526 | FrameType::B => write!(f, "B"), | |
527 | FrameType::Skip => write!(f, "skip"), | |
528 | FrameType::Other => write!(f, "x"), | |
529 | } | |
530 | } | |
531 | } | |
532 | ||
533 | #[derive(Debug,Clone,Copy)] | |
534 | pub struct NATimeInfo { | |
535 | pts: Option<u64>, | |
536 | dts: Option<u64>, | |
537 | duration: Option<u64>, | |
538 | tb_num: u32, | |
539 | tb_den: u32, | |
540 | } | |
541 | ||
542 | impl NATimeInfo { | |
543 | pub fn new(pts: Option<u64>, dts: Option<u64>, duration: Option<u64>, tb_num: u32, tb_den: u32) -> Self { | |
544 | NATimeInfo { pts: pts, dts: dts, duration: duration, tb_num: tb_num, tb_den: tb_den } | |
545 | } | |
546 | pub fn get_pts(&self) -> Option<u64> { self.pts } | |
547 | pub fn get_dts(&self) -> Option<u64> { self.dts } | |
548 | pub fn get_duration(&self) -> Option<u64> { self.duration } | |
549 | pub fn set_pts(&mut self, pts: Option<u64>) { self.pts = pts; } | |
550 | pub fn set_dts(&mut self, dts: Option<u64>) { self.dts = dts; } | |
551 | pub fn set_duration(&mut self, dur: Option<u64>) { self.duration = dur; } | |
552 | } | |
553 | ||
554 | #[allow(dead_code)] | |
555 | #[derive(Clone)] | |
556 | pub struct NAFrame { | |
557 | ts: NATimeInfo, | |
558 | buffer: NABufferType, | |
559 | info: Rc<NACodecInfo>, | |
560 | ftype: FrameType, | |
561 | key: bool, | |
562 | options: HashMap<String, NAValue>, | |
563 | } | |
564 | ||
565 | pub type NAFrameRef = Rc<RefCell<NAFrame>>; | |
566 | ||
567 | fn get_plane_size(info: &NAVideoInfo, idx: usize) -> (usize, usize) { | |
568 | let chromaton = info.get_format().get_chromaton(idx); | |
569 | if let None = chromaton { return (0, 0); } | |
570 | let (hs, vs) = chromaton.unwrap().get_subsampling(); | |
571 | let w = (info.get_width() + ((1 << hs) - 1)) >> hs; | |
572 | let h = (info.get_height() + ((1 << vs) - 1)) >> vs; | |
573 | (w, h) | |
574 | } | |
575 | ||
576 | impl NAFrame { | |
577 | pub fn new(ts: NATimeInfo, | |
578 | ftype: FrameType, | |
579 | keyframe: bool, | |
580 | info: Rc<NACodecInfo>, | |
581 | options: HashMap<String, NAValue>, | |
582 | buffer: NABufferType) -> Self { | |
583 | NAFrame { ts: ts, buffer: buffer, info: info, ftype: ftype, key: keyframe, options: options } | |
584 | } | |
585 | pub fn get_info(&self) -> Rc<NACodecInfo> { self.info.clone() } | |
586 | pub fn get_frame_type(&self) -> FrameType { self.ftype } | |
587 | pub fn is_keyframe(&self) -> bool { self.key } | |
588 | pub fn set_frame_type(&mut self, ftype: FrameType) { self.ftype = ftype; } | |
589 | pub fn set_keyframe(&mut self, key: bool) { self.key = key; } | |
590 | pub fn get_time_information(&self) -> NATimeInfo { self.ts } | |
591 | pub fn get_pts(&self) -> Option<u64> { self.ts.get_pts() } | |
592 | pub fn get_dts(&self) -> Option<u64> { self.ts.get_dts() } | |
593 | pub fn get_duration(&self) -> Option<u64> { self.ts.get_duration() } | |
594 | pub fn set_pts(&mut self, pts: Option<u64>) { self.ts.set_pts(pts); } | |
595 | pub fn set_dts(&mut self, dts: Option<u64>) { self.ts.set_dts(dts); } | |
596 | pub fn set_duration(&mut self, dur: Option<u64>) { self.ts.set_duration(dur); } | |
597 | ||
598 | pub fn get_buffer(&self) -> NABufferType { self.buffer.clone() } | |
599 | } | |
600 | ||
601 | impl fmt::Display for NAFrame { | |
602 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | |
603 | let mut foo = format!("frame type {}", self.ftype); | |
604 | if let Some(pts) = self.ts.pts { foo = format!("{} pts {}", foo, pts); } | |
605 | if let Some(dts) = self.ts.dts { foo = format!("{} dts {}", foo, dts); } | |
606 | if let Some(dur) = self.ts.duration { foo = format!("{} duration {}", foo, dur); } | |
607 | if self.key { foo = format!("{} kf", foo); } | |
608 | write!(f, "[{}]", foo) | |
609 | } | |
610 | } | |
611 | ||
612 | /// Possible stream types. | |
613 | #[derive(Debug,Clone,Copy)] | |
614 | #[allow(dead_code)] | |
615 | pub enum StreamType { | |
616 | /// video stream | |
617 | Video, | |
618 | /// audio stream | |
619 | Audio, | |
620 | /// subtitles | |
621 | Subtitles, | |
622 | /// any data stream (or might be an unrecognized audio/video stream) | |
623 | Data, | |
624 | /// nonexistent stream | |
625 | None, | |
626 | } | |
627 | ||
628 | impl fmt::Display for StreamType { | |
629 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | |
630 | match *self { | |
631 | StreamType::Video => write!(f, "Video"), | |
632 | StreamType::Audio => write!(f, "Audio"), | |
633 | StreamType::Subtitles => write!(f, "Subtitles"), | |
634 | StreamType::Data => write!(f, "Data"), | |
635 | StreamType::None => write!(f, "-"), | |
636 | } | |
637 | } | |
638 | } | |
639 | ||
640 | #[allow(dead_code)] | |
641 | #[derive(Clone)] | |
642 | pub struct NAStream { | |
643 | media_type: StreamType, | |
644 | id: u32, | |
645 | num: usize, | |
646 | info: Rc<NACodecInfo>, | |
647 | tb_num: u32, | |
648 | tb_den: u32, | |
649 | } | |
650 | ||
651 | pub fn reduce_timebase(tb_num: u32, tb_den: u32) -> (u32, u32) { | |
652 | if tb_num == 0 { return (tb_num, tb_den); } | |
653 | if (tb_den % tb_num) == 0 { return (1, tb_den / tb_num); } | |
654 | ||
655 | let mut a = tb_num; | |
656 | let mut b = tb_den; | |
657 | ||
658 | while a != b { | |
659 | if a > b { a -= b; } | |
660 | else if b > a { b -= a; } | |
661 | } | |
662 | ||
663 | (tb_num / a, tb_den / a) | |
664 | } | |
665 | ||
666 | impl NAStream { | |
667 | pub fn new(mt: StreamType, id: u32, info: NACodecInfo, tb_num: u32, tb_den: u32) -> Self { | |
668 | let (n, d) = reduce_timebase(tb_num, tb_den); | |
669 | NAStream { media_type: mt, id: id, num: 0, info: Rc::new(info), tb_num: n, tb_den: d } | |
670 | } | |
671 | pub fn get_id(&self) -> u32 { self.id } | |
672 | pub fn get_num(&self) -> usize { self.num } | |
673 | pub fn set_num(&mut self, num: usize) { self.num = num; } | |
674 | pub fn get_info(&self) -> Rc<NACodecInfo> { self.info.clone() } | |
675 | pub fn get_timebase(&self) -> (u32, u32) { (self.tb_num, self.tb_den) } | |
676 | pub fn set_timebase(&mut self, tb_num: u32, tb_den: u32) { | |
677 | let (n, d) = reduce_timebase(tb_num, tb_den); | |
678 | self.tb_num = n; | |
679 | self.tb_den = d; | |
680 | } | |
681 | } | |
682 | ||
683 | impl fmt::Display for NAStream { | |
684 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | |
685 | write!(f, "({}#{} @ {}/{} - {})", self.media_type, self.id, self.tb_num, self.tb_den, self.info.get_properties()) | |
686 | } | |
687 | } | |
688 | ||
689 | #[allow(dead_code)] | |
690 | pub struct NAPacket { | |
691 | stream: Rc<NAStream>, | |
692 | ts: NATimeInfo, | |
693 | buffer: Rc<Vec<u8>>, | |
694 | keyframe: bool, | |
695 | // options: HashMap<String, NAValue<'a>>, | |
696 | } | |
697 | ||
698 | impl NAPacket { | |
699 | pub fn new(str: Rc<NAStream>, ts: NATimeInfo, kf: bool, vec: Vec<u8>) -> Self { | |
700 | // let mut vec: Vec<u8> = Vec::new(); | |
701 | // vec.resize(size, 0); | |
702 | NAPacket { stream: str, ts: ts, keyframe: kf, buffer: Rc::new(vec) } | |
703 | } | |
704 | pub fn get_stream(&self) -> Rc<NAStream> { self.stream.clone() } | |
705 | pub fn get_time_information(&self) -> NATimeInfo { self.ts } | |
706 | pub fn get_pts(&self) -> Option<u64> { self.ts.get_pts() } | |
707 | pub fn get_dts(&self) -> Option<u64> { self.ts.get_dts() } | |
708 | pub fn get_duration(&self) -> Option<u64> { self.ts.get_duration() } | |
709 | pub fn is_keyframe(&self) -> bool { self.keyframe } | |
710 | pub fn get_buffer(&self) -> Rc<Vec<u8>> { self.buffer.clone() } | |
711 | } | |
712 | ||
713 | impl Drop for NAPacket { | |
714 | fn drop(&mut self) {} | |
715 | } | |
716 | ||
717 | impl fmt::Display for NAPacket { | |
718 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | |
719 | let mut foo = format!("[pkt for {} size {}", self.stream, self.buffer.len()); | |
720 | if let Some(pts) = self.ts.pts { foo = format!("{} pts {}", foo, pts); } | |
721 | if let Some(dts) = self.ts.dts { foo = format!("{} dts {}", foo, dts); } | |
722 | if let Some(dur) = self.ts.duration { foo = format!("{} duration {}", foo, dur); } | |
723 | if self.keyframe { foo = format!("{} kf", foo); } | |
724 | foo = foo + "]"; | |
725 | write!(f, "{}", foo) | |
726 | } | |
727 | } | |
728 | ||
729 | pub trait FrameFromPacket { | |
730 | fn new_from_pkt(pkt: &NAPacket, info: Rc<NACodecInfo>, buf: NABufferType) -> NAFrame; | |
731 | fn fill_timestamps(&mut self, pkt: &NAPacket); | |
732 | } | |
733 | ||
734 | impl FrameFromPacket for NAFrame { | |
735 | fn new_from_pkt(pkt: &NAPacket, info: Rc<NACodecInfo>, buf: NABufferType) -> NAFrame { | |
736 | NAFrame::new(pkt.ts, FrameType::Other, pkt.keyframe, info, HashMap::new(), buf) | |
737 | } | |
738 | fn fill_timestamps(&mut self, pkt: &NAPacket) { | |
739 | self.ts = pkt.get_time_information(); | |
740 | } | |
741 | } | |
742 |