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1 | //! Routines for testing decoders. | |
2 | use std::fs::File; | |
3 | use nihav_core::frame::*; | |
4 | use nihav_core::codecs::*; | |
5 | use nihav_core::demuxers::*; | |
6 | //use nihav_core::io::byteio::*; | |
7 | //use nihav_core::scale::*; | |
8 | use nihav_core::reorder::MTFrameReorderer; | |
9 | use super::wavwriter::WavWriter; | |
10 | use super::md5::MD5; | |
11 | use crate::imgwrite::write_pnm; | |
12 | pub use super::ExpectedTestResult; | |
13 | ||
14 | const OUTPUT_PREFIX: &str = "assets/test_out/"; | |
15 | ||
16 | /*fn open_wav_out(pfx: &str, strno: usize) -> WavWriter { | |
17 | let name = format!("assets/{}out{:02}.wav", pfx, strno); | |
18 | let mut file = File::create(name).unwrap(); | |
19 | let mut fw = FileWriter::new_write(&mut file); | |
20 | let mut wr = ByteWriter::new(&mut fw); | |
21 | WavWriter::new(&mut wr) | |
22 | }*/ | |
23 | ||
24 | /// Tests decoding of provided file and optionally outputs video frames as PNM (PPM for RGB video, PGM for YUV). | |
25 | /// | |
26 | /// This function expects the following arguments: | |
27 | /// * `demuxer` - container format name (used to find proper demuxer for it) | |
28 | /// * `name` - input file name | |
29 | /// * `limit` - optional PTS value after which decoding is stopped | |
30 | /// * `decode_video`/`decode_audio` - flags for enabling video/audio decoding | |
31 | /// * `video_pfx` - prefix for video frames written as pictures (if enabled then output picture names should look like `<crate_name>/assets/test_out/PFXout00_000000.ppm` | |
32 | /// * `dmx_reg` and `dec_reg` - registered demuxers and decoders that should contain demuxer and decoder(s) needed to decode the provided file. | |
33 | /// | |
34 | /// Since the function is intended for tests, it will panic instead of returning an error. | |
35 | pub fn test_file_decoding(demuxer: &str, name: &str, limit: Option<u64>, | |
36 | decode_video: bool, decode_audio: bool, | |
37 | video_pfx: Option<&str>, | |
38 | dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) { | |
39 | let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap(); | |
40 | let mut file = File::open(name).unwrap(); | |
41 | let mut fr = FileReader::new_read(&mut file); | |
42 | let mut br = ByteReader::new(&mut fr); | |
43 | let mut dmx = create_demuxer(dmx_f, &mut br).unwrap(); | |
44 | ||
45 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new(); | |
46 | for i in 0..dmx.get_num_streams() { | |
47 | let s = dmx.get_stream(i).unwrap(); | |
48 | let info = s.get_info(); | |
49 | let decfunc = dec_reg.find_decoder(info.get_name()); | |
50 | if let Some(df) = decfunc { | |
51 | if (decode_video && info.is_video()) || (decode_audio && info.is_audio()) { | |
52 | let mut dec = (df)(); | |
53 | let mut dsupp = Box::new(NADecoderSupport::new()); | |
54 | dec.init(&mut dsupp, info).unwrap(); | |
55 | decs.push(Some((dsupp, dec))); | |
56 | } else { | |
57 | decs.push(None); | |
58 | } | |
59 | } else { | |
60 | decs.push(None); | |
61 | } | |
62 | } | |
63 | ||
64 | loop { | |
65 | let pktres = dmx.get_frame(); | |
66 | if let Err(e) = pktres { | |
67 | if e == DemuxerError::EOF { break; } | |
68 | panic!("error"); | |
69 | } | |
70 | let pkt = pktres.unwrap(); | |
71 | let streamno = pkt.get_stream().get_id() as usize; | |
72 | if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] { | |
73 | if let (Some(lim), Some(ppts)) = (limit, pkt.get_pts()) { | |
74 | if ppts > lim { break; } | |
75 | } | |
76 | let frm = dec.decode(dsupp, &pkt).unwrap(); | |
77 | if pkt.get_stream().get_info().is_video() && video_pfx.is_some() && frm.get_frame_type() != FrameType::Skip { | |
78 | let pts = if let Some(fpts) = frm.get_pts() { fpts } else { pkt.get_pts().unwrap() }; | |
79 | let pfx = OUTPUT_PREFIX.to_owned() + video_pfx.unwrap_or("") + "out"; | |
80 | write_pnm(pfx.as_str(), streamno, pts, frm).unwrap(); | |
81 | } | |
82 | } | |
83 | } | |
84 | } | |
85 | ||
86 | /// Tests audio decoder with the content in the provided file and optionally outputs decoded audio. | |
87 | /// | |
88 | /// The syntax is very similar to [`test_file_decoding`] except that it is intended for testing audio codecs. | |
89 | /// | |
90 | /// Since the function is intended for tests, it will panic instead of returning an error. | |
91 | /// | |
92 | /// [`test_file_decoding`]: ./fn.test_file_decoding.html | |
93 | pub fn test_decode_audio(demuxer: &str, name: &str, limit: Option<u64>, audio_pfx: Option<&str>, | |
94 | dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) { | |
95 | let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap(); | |
96 | let mut file = File::open(name).unwrap(); | |
97 | let mut fr = FileReader::new_read(&mut file); | |
98 | let mut br = ByteReader::new(&mut fr); | |
99 | let mut dmx = create_demuxer(dmx_f, &mut br).unwrap(); | |
100 | ||
101 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new(); | |
102 | for i in 0..dmx.get_num_streams() { | |
103 | let s = dmx.get_stream(i).unwrap(); | |
104 | let info = s.get_info(); | |
105 | let decfunc = dec_reg.find_decoder(info.get_name()); | |
106 | if let Some(df) = decfunc { | |
107 | if info.is_audio() { | |
108 | let mut dec = (df)(); | |
109 | let mut dsupp = Box::new(NADecoderSupport::new()); | |
110 | dec.init(&mut dsupp, info).unwrap(); | |
111 | decs.push(Some((dsupp, dec))); | |
112 | } else { | |
113 | decs.push(None); | |
114 | } | |
115 | } else { | |
116 | decs.push(None); | |
117 | } | |
118 | } | |
119 | ||
120 | if let Some(audio_pfx) = audio_pfx { | |
121 | let name = format!("{}/{}out.wav", OUTPUT_PREFIX, audio_pfx); | |
122 | let file = File::create(name).unwrap(); | |
123 | let mut fw = FileWriter::new_write(file); | |
124 | let mut wr = ByteWriter::new(&mut fw); | |
125 | let mut wwr = WavWriter::new(&mut wr); | |
126 | let mut wrote_header = false; | |
127 | ||
128 | loop { | |
129 | let pktres = dmx.get_frame(); | |
130 | if let Err(e) = pktres { | |
131 | if e == DemuxerError::EOF { break; } | |
132 | panic!("error"); | |
133 | } | |
134 | let pkt = pktres.unwrap(); | |
135 | if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() { | |
136 | break; | |
137 | } | |
138 | let streamno = pkt.get_stream().get_id() as usize; | |
139 | if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] { | |
140 | let frm = dec.decode(dsupp, &pkt).unwrap(); | |
141 | if frm.get_info().is_audio() { | |
142 | if !wrote_header { | |
143 | wwr.write_header(frm.get_info().as_ref().get_properties().get_audio_info().unwrap()).unwrap(); | |
144 | wrote_header = true; | |
145 | } | |
146 | wwr.write_frame(frm.get_buffer()).unwrap(); | |
147 | } | |
148 | } | |
149 | } | |
150 | } else { | |
151 | loop { | |
152 | let pktres = dmx.get_frame(); | |
153 | if let Err(e) = pktres { | |
154 | if e == DemuxerError::EOF { break; } | |
155 | panic!("error"); | |
156 | } | |
157 | let pkt = pktres.unwrap(); | |
158 | if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() { | |
159 | break; | |
160 | } | |
161 | let streamno = pkt.get_stream().get_id() as usize; | |
162 | if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] { | |
163 | let _ = dec.decode(dsupp, &pkt).unwrap(); | |
164 | } | |
165 | } | |
166 | } | |
167 | } | |
168 | ||
169 | fn frame_checksum(md5: &mut MD5, frm: NAFrameRef) { | |
170 | match frm.get_buffer() { | |
171 | NABufferType::Video(ref vb) => { | |
172 | md5.update_hash(vb.get_data()); | |
173 | }, | |
174 | NABufferType::Video16(ref vb) => { | |
175 | let mut samp = [0u8; 2]; | |
176 | let data = vb.get_data(); | |
177 | for el in data.iter() { | |
178 | samp[0] = (*el >> 8) as u8; | |
179 | samp[1] = (*el >> 0) as u8; | |
180 | md5.update_hash(&samp); | |
181 | } | |
182 | }, | |
183 | NABufferType::Video32(ref vb) => { | |
184 | let mut samp = [0u8; 4]; | |
185 | let data = vb.get_data(); | |
186 | for el in data.iter() { | |
187 | samp[0] = (*el >> 24) as u8; | |
188 | samp[1] = (*el >> 16) as u8; | |
189 | samp[2] = (*el >> 8) as u8; | |
190 | samp[3] = (*el >> 0) as u8; | |
191 | md5.update_hash(&samp); | |
192 | } | |
193 | }, | |
194 | NABufferType::VideoPacked(ref vb) => { | |
195 | md5.update_hash(vb.get_data()); | |
196 | }, | |
197 | NABufferType::AudioU8(ref ab) => { | |
198 | md5.update_hash(ab.get_data()); | |
199 | }, | |
200 | NABufferType::AudioI16(ref ab) => { | |
201 | let mut samp = [0u8; 2]; | |
202 | let data = ab.get_data(); | |
203 | for el in data.iter() { | |
204 | samp[0] = (*el >> 8) as u8; | |
205 | samp[1] = (*el >> 0) as u8; | |
206 | md5.update_hash(&samp); | |
207 | } | |
208 | }, | |
209 | NABufferType::AudioI32(ref ab) => { | |
210 | let mut samp = [0u8; 4]; | |
211 | let data = ab.get_data(); | |
212 | for el in data.iter() { | |
213 | samp[0] = (*el >> 24) as u8; | |
214 | samp[1] = (*el >> 16) as u8; | |
215 | samp[2] = (*el >> 8) as u8; | |
216 | samp[3] = (*el >> 0) as u8; | |
217 | md5.update_hash(&samp); | |
218 | } | |
219 | }, | |
220 | NABufferType::AudioF32(ref ab) => { | |
221 | let mut samp = [0u8; 4]; | |
222 | let data = ab.get_data(); | |
223 | for el in data.iter() { | |
224 | let bits = el.to_bits(); | |
225 | samp[0] = (bits >> 24) as u8; | |
226 | samp[1] = (bits >> 16) as u8; | |
227 | samp[2] = (bits >> 8) as u8; | |
228 | samp[3] = (bits >> 0) as u8; | |
229 | md5.update_hash(&samp); | |
230 | } | |
231 | }, | |
232 | NABufferType::AudioPacked(ref ab) => { | |
233 | md5.update_hash(ab.get_data()); | |
234 | }, | |
235 | NABufferType::Data(ref db) => { | |
236 | md5.update_hash(db.as_ref()); | |
237 | }, | |
238 | NABufferType::None => {}, | |
239 | }; | |
240 | } | |
241 | ||
242 | /// Tests decoder for requested codec in provided file. | |
243 | /// | |
244 | /// This functions tries to decode a stream corresponding to `dec_name` codec in input file and validate the results against expected ones. | |
245 | /// | |
246 | /// Since the function is intended for tests, it will panic instead of returning an error. | |
247 | /// | |
248 | /// # Examples | |
249 | /// | |
250 | /// Test RealVideo 4 decoder in test stream: | |
251 | /// ```no_run | |
252 | /// use nihav_codec_support::test::ExpectedTestResult; | |
253 | /// use nihav_codec_support::test::dec_video::test_decoding; | |
254 | /// use nihav_core::codecs::RegisteredDecoders; | |
255 | /// use nihav_core::demuxers::RegisteredDemuxers; | |
256 | /// | |
257 | /// let mut dmx_reg = RegisteredDemuxers::new(); | |
258 | /// let mut dec_reg = RegisteredDecoders::new(); | |
259 | /// // ... register RealMedia demuxers and RealVideo decoders ... | |
260 | /// test_decoding("realmedia", "rv40", "assets/test_file.rmvb", None, &dmx_reg, &dec_reg, ExpectedTestResult::MD5([0x00010203, 0x04050607, 0x08090a0b, 0x0c0d0e0f])); | |
261 | /// ``` | |
262 | pub fn test_decoding(demuxer: &str, dec_name: &str, filename: &str, limit: Option<u64>, | |
263 | dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders, | |
264 | test: ExpectedTestResult) { | |
265 | let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap(); | |
266 | let mut file = File::open(filename).unwrap(); | |
267 | let mut fr = FileReader::new_read(&mut file); | |
268 | let mut br = ByteReader::new(&mut fr); | |
269 | let mut dmx = create_demuxer(dmx_f, &mut br).unwrap(); | |
270 | ||
271 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new(); | |
272 | let mut found = false; | |
273 | for i in 0..dmx.get_num_streams() { | |
274 | let s = dmx.get_stream(i).unwrap(); | |
275 | let info = s.get_info(); | |
276 | println!("stream {} codec {} / {}", i, info.get_name(), dec_name); | |
277 | if !found && (info.get_name() == dec_name) { | |
278 | let decfunc = dec_reg.find_decoder(info.get_name()); | |
279 | if let Some(df) = decfunc { | |
280 | let mut dec = (df)(); | |
281 | let mut dsupp = Box::new(NADecoderSupport::new()); | |
282 | dec.init(&mut dsupp, info).unwrap(); | |
283 | decs.push(Some((dsupp, dec))); | |
284 | found = true; | |
285 | } else { | |
286 | decs.push(None); | |
287 | } | |
288 | } else { | |
289 | decs.push(None); | |
290 | } | |
291 | } | |
292 | ||
293 | let mut md5 = MD5::new(); | |
294 | let mut frameiter = if let ExpectedTestResult::MD5Frames(ref vec) = test { | |
295 | Some(vec.iter()) | |
296 | } else { | |
297 | None | |
298 | }; | |
299 | loop { | |
300 | let pktres = dmx.get_frame(); | |
301 | if let Err(e) = pktres { | |
302 | if e == DemuxerError::EOF { break; } | |
303 | panic!("error"); | |
304 | } | |
305 | let pkt = pktres.unwrap(); | |
306 | let streamno = pkt.get_stream().get_id() as usize; | |
307 | if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] { | |
308 | if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() { | |
309 | break; | |
310 | } | |
311 | let frm = dec.decode(dsupp, &pkt).unwrap(); | |
312 | match &test { | |
313 | ExpectedTestResult::Decodes => {}, | |
314 | ExpectedTestResult::MD5(_) => { frame_checksum(&mut md5, frm); }, | |
315 | ExpectedTestResult::MD5Frames(_) => { | |
316 | md5 = MD5::new(); | |
317 | frame_checksum(&mut md5, frm); | |
318 | md5.finish(); | |
319 | if let Some(ref mut iter) = frameiter { | |
320 | let ret = iter.next(); | |
321 | if ret.is_none() { break; } | |
322 | let ref_hash = ret.unwrap(); | |
323 | let mut hash = [0u32; 4]; | |
324 | md5.get_hash(&mut hash); | |
325 | println!("frame pts {:?} hash {}", pkt.get_pts(), md5); | |
326 | assert_eq!(&hash, ref_hash); | |
327 | } | |
328 | }, | |
329 | ExpectedTestResult::GenerateMD5Frames => { | |
330 | md5 = MD5::new(); | |
331 | frame_checksum(&mut md5, frm); | |
332 | md5.finish(); | |
333 | let mut hash = [0u32; 4]; | |
334 | md5.get_hash(&mut hash); | |
335 | println!("frame pts {:?} hash [0x{:08x}, 0x{:08x}, 0x{:08x}, 0x{:08x}],", pkt.get_pts(), hash[0], hash[1], hash[2], hash[3]); | |
336 | }, | |
337 | }; | |
338 | } | |
339 | } | |
340 | if let ExpectedTestResult::MD5(ref ref_hash) = test { | |
341 | md5.finish(); | |
342 | let mut hash = [0u32; 4]; | |
343 | md5.get_hash(&mut hash); | |
344 | println!("full hash {}", md5); | |
345 | assert_eq!(&hash, ref_hash); | |
346 | } | |
347 | if let ExpectedTestResult::GenerateMD5Frames = test { | |
348 | panic!("generated hashes"); | |
349 | } | |
350 | } | |
351 | ||
352 | const THREADS: usize = 3; | |
353 | ||
354 | fn check_frame(frm: NAFrameRef, test: &ExpectedTestResult, glbl_md5: &mut MD5, frameiter: &mut Option<std::slice::Iter<[u32; 4]>>, last_ts: &mut Option<u64>) -> bool { | |
355 | let frm_pts = frm.get_pts(); | |
356 | let frm_dts = frm.get_dts(); | |
357 | if let (Some(lts), Some(cts)) = (*last_ts, frm_dts) { | |
358 | assert!(lts < cts); | |
359 | } | |
360 | *last_ts = frm_dts; | |
361 | match test { | |
362 | ExpectedTestResult::Decodes => {}, | |
363 | ExpectedTestResult::MD5(_) => { frame_checksum(glbl_md5, frm); }, | |
364 | ExpectedTestResult::MD5Frames(_) => { | |
365 | let mut loc_md5 = MD5::new(); | |
366 | frame_checksum(&mut loc_md5, frm); | |
367 | loc_md5.finish(); | |
368 | if let Some(ref mut iter) = frameiter { | |
369 | let ret = iter.next(); | |
370 | if ret.is_none() { | |
371 | return true; | |
372 | } | |
373 | let ref_hash = ret.unwrap(); | |
374 | let mut hash = [0u32; 4]; | |
375 | loc_md5.get_hash(&mut hash); | |
376 | println!("frame pts {:?} dts {:?} hash {}", frm_pts, frm_dts, loc_md5); | |
377 | assert_eq!(&hash, ref_hash); | |
378 | } | |
379 | }, | |
380 | ExpectedTestResult::GenerateMD5Frames => { | |
381 | let mut loc_md5 = MD5::new(); | |
382 | frame_checksum(&mut loc_md5, frm); | |
383 | loc_md5.finish(); | |
384 | let mut hash = [0u32; 4]; | |
385 | loc_md5.get_hash(&mut hash); | |
386 | println!("frame pts {:?} dts {:?} hash [0x{:08x}, 0x{:08x}, 0x{:08x}, 0x{:08x}],", frm_pts, frm_dts, hash[0], hash[1], hash[2], hash[3]); | |
387 | }, | |
388 | }; | |
389 | false | |
390 | } | |
391 | ||
392 | /// Tests multi-threaded decoder for requested codec in provided file. | |
393 | /// | |
394 | /// The syntax is very similar to [`test_file_decoding`] except that it tests multi-threaded decoders instead. | |
395 | /// | |
396 | /// [`test_file_decoding`]: ./fn.test_file_decoding.html | |
397 | pub fn test_mt_decoding(demuxer: &str, dec_name: &str, filename: &str, limit: Option<u64>, | |
398 | dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredMTDecoders, | |
399 | test: ExpectedTestResult) { | |
400 | let mut dec_threads = THREADS; | |
401 | for (key, value) in std::env::vars_os() { | |
402 | if key == "MT_THREADS" { | |
403 | if let Some(val) = value.to_str() { | |
404 | dec_threads = val.parse::<usize>().unwrap_or(THREADS); | |
405 | break; | |
406 | } | |
407 | } | |
408 | } | |
409 | ||
410 | let dmx_f = dmx_reg.find_demuxer(demuxer).expect("demuxer is not found"); | |
411 | let mut file = File::open(filename).expect("input file should be present"); | |
412 | let mut fr = FileReader::new_read(&mut file); | |
413 | let mut br = ByteReader::new(&mut fr); | |
414 | let mut dmx = create_demuxer(dmx_f, &mut br).expect("demuxer can't be created"); | |
415 | ||
416 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoderMT>)>> = Vec::new(); | |
417 | let mut found = false; | |
418 | for i in 0..dmx.get_num_streams() { | |
419 | let s = dmx.get_stream(i).unwrap(); | |
420 | let info = s.get_info(); | |
421 | println!("stream {} codec {} / {}", i, info.get_name(), dec_name); | |
422 | if !found && (info.get_name() == dec_name) { | |
423 | let decfunc = dec_reg.find_decoder(info.get_name()); | |
424 | if let Some(df) = decfunc { | |
425 | let mut dec = (df)(); | |
426 | let mut dsupp = Box::new(NADecoderSupport::new()); | |
427 | dec.init(&mut dsupp, info, dec_threads).unwrap(); | |
428 | decs.push(Some((dsupp, dec))); | |
429 | found = true; | |
430 | } else { | |
431 | decs.push(None); | |
432 | } | |
433 | } else { | |
434 | decs.push(None); | |
435 | } | |
436 | } | |
437 | ||
438 | let mut md5 = MD5::new(); | |
439 | let mut frameiter = if let ExpectedTestResult::MD5Frames(ref vec) = test { | |
440 | Some(vec.iter()) | |
441 | } else { | |
442 | None | |
443 | }; | |
444 | let mut reord = MTFrameReorderer::new(); | |
445 | let mut last_ts = None; | |
446 | 'dec_loop: loop { | |
447 | let pktres = dmx.get_frame(); | |
448 | if let Err(e) = pktres { | |
449 | if e == DemuxerError::EOF { break; } | |
450 | panic!("error"); | |
451 | } | |
452 | let pkt = pktres.expect("packet"); | |
453 | let streamno = pkt.get_stream().get_id() as usize; | |
454 | if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] { | |
455 | if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() { | |
456 | break; | |
457 | } | |
458 | let queue_id = reord.register_frame(); | |
459 | match dec.queue_pkt(dsupp, &pkt, queue_id) { | |
460 | Ok(true) => {}, | |
461 | Ok(false) => { | |
462 | while !dec.can_take_input() || dec.has_output() { | |
463 | match dec.get_frame() { | |
464 | (Ok(frm), id) => { | |
465 | reord.add_frame(frm, id); | |
466 | while let Some(nfrm) = reord.get_frame() { | |
467 | if check_frame(nfrm, &test, &mut md5, &mut frameiter, &mut last_ts) { | |
468 | break 'dec_loop; | |
469 | } | |
470 | } | |
471 | }, | |
472 | (Err(err), id) => { | |
473 | reord.drop_frame(id); | |
474 | panic!("frame {} decoding error {:?}", id, err); | |
475 | }, | |
476 | }; | |
477 | } | |
478 | match dec.queue_pkt(dsupp, &pkt, queue_id) { | |
479 | Ok(true) => {}, | |
480 | Ok(false) => panic!("still can't queue frame!"), | |
481 | Err(err) => panic!("queueing error {:?}", err), | |
482 | }; | |
483 | }, | |
484 | Err(err) => panic!("queueing error {:?}", err), | |
485 | }; | |
486 | ||
487 | } | |
488 | } | |
489 | 'tail_loop: for (_, ref mut dec) in decs.iter_mut().flatten() { | |
490 | loop { | |
491 | match dec.get_frame() { | |
492 | (Ok(frm), id) => { | |
493 | reord.add_frame(frm, id); | |
494 | while let Some(nfrm) = reord.get_frame() { | |
495 | if check_frame(nfrm, &test, &mut md5, &mut frameiter, &mut last_ts) { | |
496 | break 'tail_loop; | |
497 | } | |
498 | } | |
499 | }, | |
500 | (Err(DecoderError::NoFrame), _) => break, | |
501 | (Err(err), id) => panic!("frame {} decoding error {:?}", id, err), | |
502 | }; | |
503 | } | |
504 | while let Some(nfrm) = reord.get_last_frames() { | |
505 | if check_frame(nfrm, &test, &mut md5, &mut frameiter, &mut last_ts) { | |
506 | break; | |
507 | } | |
508 | } | |
509 | } | |
510 | if let ExpectedTestResult::MD5(ref ref_hash) = test { | |
511 | md5.finish(); | |
512 | let mut hash = [0u32; 4]; | |
513 | md5.get_hash(&mut hash); | |
514 | println!("full hash {}", md5); | |
515 | assert_eq!(&hash, ref_hash); | |
516 | } | |
517 | if let ExpectedTestResult::GenerateMD5Frames = test { | |
518 | panic!("generated hashes"); | |
519 | } | |
520 | } | |
521 | ||
522 | /// Tests decoding of provided file by outputting video frames as PNM (PPM for RGB video, PGM for YUV). | |
523 | /// | |
524 | /// This function expects the following arguments: | |
525 | /// * `demuxer` - container format name (used to find proper demuxer for it) | |
526 | /// * `name` - input file name | |
527 | /// * `video_pfx` - prefix for video frames written as pictures (output picture names should look like `<crate_name>/assets/test_out/PFXout00_000000.ppm` | |
528 | /// * `limit` - optional PTS value after which decoding is stopped | |
529 | /// * `dmx_reg` and `dec_reg` - registered demuxers and decoders that should contain demuxer and decoder(s) needed to decode the provided file. | |
530 | /// | |
531 | /// Since the function is intended for tests, it will panic instead of returning an error. | |
532 | pub fn test_decode_images(demuxer: &str, name: &str, video_pfx: &str, limit: Option<u64>, | |
533 | dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) { | |
534 | let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap(); | |
535 | let mut file = File::open(name).unwrap(); | |
536 | let mut fr = FileReader::new_read(&mut file); | |
537 | let mut br = ByteReader::new(&mut fr); | |
538 | let mut dmx = create_demuxer(dmx_f, &mut br).unwrap(); | |
539 | ||
540 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new(); | |
541 | for i in 0..dmx.get_num_streams() { | |
542 | let s = dmx.get_stream(i).unwrap(); | |
543 | let info = s.get_info(); | |
544 | let decfunc = dec_reg.find_decoder(info.get_name()); | |
545 | if let Some(df) = decfunc { | |
546 | if info.is_video() { | |
547 | let mut dec = (df)(); | |
548 | let mut dsupp = Box::new(NADecoderSupport::new()); | |
549 | dec.init(&mut dsupp, info).unwrap(); | |
550 | decs.push(Some((dsupp, dec))); | |
551 | break; | |
552 | } else { | |
553 | decs.push(None); | |
554 | } | |
555 | } else { | |
556 | decs.push(None); | |
557 | } | |
558 | } | |
559 | ||
560 | loop { | |
561 | let pktres = dmx.get_frame(); | |
562 | if let Err(e) = pktres { | |
563 | if e == DemuxerError::EOF { break; } | |
564 | panic!("error"); | |
565 | } | |
566 | let pkt = pktres.unwrap(); | |
567 | let streamno = pkt.get_stream().get_id() as usize; | |
568 | if streamno >= decs.len() { continue; } | |
569 | if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] { | |
570 | if let (Some(lim), Some(ppts)) = (limit, pkt.get_pts()) { | |
571 | if ppts > lim { break; } | |
572 | } | |
573 | let frm = dec.decode(dsupp, &pkt).unwrap(); | |
574 | if frm.get_frame_type() != FrameType::Skip { | |
575 | let pts = if let Some(fpts) = frm.get_pts() { fpts } else { pkt.get_pts().unwrap() }; | |
576 | let pfx = OUTPUT_PREFIX.to_owned() + video_pfx + "out"; | |
577 | write_pnm(pfx.as_str(), streamno, pts, frm).unwrap(); | |
578 | } | |
579 | } | |
580 | } | |
581 | } |