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Commit | Line | Data |
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fb8e3177 | 1 | //! Routines for testing decoders. |
379fd781 | 2 | use std::fs::File; |
b4d5b851 KS |
3 | use nihav_core::frame::*; |
4 | use nihav_core::codecs::*; | |
5 | use nihav_core::demuxers::*; | |
6 | //use nihav_core::io::byteio::*; | |
8424ddfd | 7 | //use nihav_core::scale::*; |
379fd781 | 8 | use super::wavwriter::WavWriter; |
eca0802b | 9 | use super::md5::MD5; |
8424ddfd | 10 | use crate::imgwrite::write_pnm; |
eca0802b | 11 | pub use super::ExpectedTestResult; |
379fd781 | 12 | |
8424ddfd | 13 | const OUTPUT_PREFIX: &str = "assets/test_out/"; |
a191f568 | 14 | |
379fd781 KS |
15 | /*fn open_wav_out(pfx: &str, strno: usize) -> WavWriter { |
16 | let name = format!("assets/{}out{:02}.wav", pfx, strno); | |
17 | let mut file = File::create(name).unwrap(); | |
18 | let mut fw = FileWriter::new_write(&mut file); | |
19 | let mut wr = ByteWriter::new(&mut fw); | |
20 | WavWriter::new(&mut wr) | |
21 | }*/ | |
22 | ||
fb8e3177 KS |
23 | /// Tests decoding of provided file and optionally outputs video frames as PNM (PPM for RGB video, PGM for YUV). |
24 | /// | |
25 | /// This function expects the following arguments: | |
26 | /// * `demuxer` - container format name (used to find proper demuxer for it) | |
27 | /// * `name` - input file name | |
28 | /// * `limit` - optional PTS value after which decoding is stopped | |
29 | /// * `decode_video`/`decode_audio` - flags for enabling video/audio decoding | |
30 | /// * `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` | |
31 | /// * `dmx_reg` and `dec_reg` - registered demuxers and decoders that should contain demuxer and decoder(s) needed to decode the provided file. | |
32 | /// | |
33 | /// Since the function is intended for tests, it will panic instead of returning an error. | |
379fd781 KS |
34 | pub fn test_file_decoding(demuxer: &str, name: &str, limit: Option<u64>, |
35 | decode_video: bool, decode_audio: bool, | |
4f6124ac KS |
36 | video_pfx: Option<&str>, |
37 | dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) { | |
38 | let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap(); | |
379fd781 KS |
39 | let mut file = File::open(name).unwrap(); |
40 | let mut fr = FileReader::new_read(&mut file); | |
41 | let mut br = ByteReader::new(&mut fr); | |
bcfeae48 | 42 | let mut dmx = create_demuxer(dmx_f, &mut br).unwrap(); |
379fd781 | 43 | |
6011e201 | 44 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new(); |
379fd781 KS |
45 | for i in 0..dmx.get_num_streams() { |
46 | let s = dmx.get_stream(i).unwrap(); | |
47 | let info = s.get_info(); | |
4f6124ac | 48 | let decfunc = dec_reg.find_decoder(info.get_name()); |
379fd781 KS |
49 | if let Some(df) = decfunc { |
50 | if (decode_video && info.is_video()) || (decode_audio && info.is_audio()) { | |
51 | let mut dec = (df)(); | |
01613464 KS |
52 | let mut dsupp = Box::new(NADecoderSupport::new()); |
53 | dec.init(&mut dsupp, info).unwrap(); | |
54 | decs.push(Some((dsupp, dec))); | |
379fd781 KS |
55 | } else { |
56 | decs.push(None); | |
57 | } | |
58 | } else { | |
59 | decs.push(None); | |
60 | } | |
61 | } | |
62 | ||
63 | loop { | |
64 | let pktres = dmx.get_frame(); | |
65 | if let Err(e) = pktres { | |
66 | if e == DemuxerError::EOF { break; } | |
67 | panic!("error"); | |
68 | } | |
69 | let pkt = pktres.unwrap(); | |
379fd781 | 70 | let streamno = pkt.get_stream().get_id() as usize; |
01613464 | 71 | if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] { |
d5f4d49e KS |
72 | if let (Some(lim), Some(ppts)) = (limit, pkt.get_pts()) { |
73 | if ppts > lim { break; } | |
74 | } | |
01613464 | 75 | let frm = dec.decode(dsupp, &pkt).unwrap(); |
171860fc | 76 | if pkt.get_stream().get_info().is_video() && video_pfx.is_some() && frm.get_frame_type() != FrameType::Skip { |
e243ceb4 | 77 | let pts = if let Some(fpts) = frm.get_pts() { fpts } else { pkt.get_pts().unwrap() }; |
8424ddfd KS |
78 | let pfx = OUTPUT_PREFIX.to_owned() + video_pfx.unwrap_or("") + "out"; |
79 | write_pnm(pfx.as_str(), streamno, pts, frm).unwrap(); | |
379fd781 KS |
80 | } |
81 | } | |
82 | } | |
83 | } | |
84 | ||
fb8e3177 KS |
85 | /// Tests audio decoder with the content in the provided file and optionally outputs decoded audio. |
86 | /// | |
87 | /// The syntax is very similar to [`test_file_decoding`] except that it is intended for testing audio codecs. | |
88 | /// | |
89 | /// Since the function is intended for tests, it will panic instead of returning an error. | |
90 | /// | |
91 | /// [`test_file_decoding`]: ./fn.test_file_decoding.html | |
5580b11b | 92 | pub fn test_decode_audio(demuxer: &str, name: &str, limit: Option<u64>, audio_pfx: Option<&str>, |
4f6124ac KS |
93 | dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) { |
94 | let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap(); | |
379fd781 KS |
95 | let mut file = File::open(name).unwrap(); |
96 | let mut fr = FileReader::new_read(&mut file); | |
97 | let mut br = ByteReader::new(&mut fr); | |
bcfeae48 | 98 | let mut dmx = create_demuxer(dmx_f, &mut br).unwrap(); |
379fd781 | 99 | |
6011e201 | 100 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new(); |
379fd781 KS |
101 | for i in 0..dmx.get_num_streams() { |
102 | let s = dmx.get_stream(i).unwrap(); | |
103 | let info = s.get_info(); | |
4f6124ac | 104 | let decfunc = dec_reg.find_decoder(info.get_name()); |
379fd781 KS |
105 | if let Some(df) = decfunc { |
106 | if info.is_audio() { | |
107 | let mut dec = (df)(); | |
01613464 KS |
108 | let mut dsupp = Box::new(NADecoderSupport::new()); |
109 | dec.init(&mut dsupp, info).unwrap(); | |
110 | decs.push(Some((dsupp, dec))); | |
379fd781 KS |
111 | } else { |
112 | decs.push(None); | |
113 | } | |
114 | } else { | |
115 | decs.push(None); | |
116 | } | |
117 | } | |
118 | ||
d24468d9 | 119 | if let Some(audio_pfx) = audio_pfx { |
92754149 | 120 | let name = format!("{}/{}out.wav", OUTPUT_PREFIX, audio_pfx); |
5580b11b KS |
121 | let file = File::create(name).unwrap(); |
122 | let mut fw = FileWriter::new_write(file); | |
123 | let mut wr = ByteWriter::new(&mut fw); | |
124 | let mut wwr = WavWriter::new(&mut wr); | |
125 | let mut wrote_header = false; | |
379fd781 | 126 | |
5580b11b KS |
127 | loop { |
128 | let pktres = dmx.get_frame(); | |
129 | if let Err(e) = pktres { | |
130 | if e == DemuxerError::EOF { break; } | |
131 | panic!("error"); | |
132 | } | |
133 | let pkt = pktres.unwrap(); | |
134 | if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() { | |
135 | break; | |
136 | } | |
137 | let streamno = pkt.get_stream().get_id() as usize; | |
138 | if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] { | |
139 | let frm = dec.decode(dsupp, &pkt).unwrap(); | |
140 | if frm.get_info().is_audio() { | |
141 | if !wrote_header { | |
142 | wwr.write_header(frm.get_info().as_ref().get_properties().get_audio_info().unwrap()).unwrap(); | |
143 | wrote_header = true; | |
144 | } | |
145 | wwr.write_frame(frm.get_buffer()).unwrap(); | |
379fd781 | 146 | } |
5580b11b KS |
147 | } |
148 | } | |
149 | } else { | |
150 | loop { | |
151 | let pktres = dmx.get_frame(); | |
152 | if let Err(e) = pktres { | |
153 | if e == DemuxerError::EOF { break; } | |
154 | panic!("error"); | |
155 | } | |
156 | let pkt = pktres.unwrap(); | |
157 | if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() { | |
158 | break; | |
159 | } | |
160 | let streamno = pkt.get_stream().get_id() as usize; | |
161 | if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] { | |
162 | let _ = dec.decode(dsupp, &pkt).unwrap(); | |
379fd781 KS |
163 | } |
164 | } | |
165 | } | |
166 | } | |
eca0802b KS |
167 | |
168 | fn frame_checksum(md5: &mut MD5, frm: NAFrameRef) { | |
169 | match frm.get_buffer() { | |
170 | NABufferType::Video(ref vb) => { | |
171 | md5.update_hash(vb.get_data()); | |
172 | }, | |
173 | NABufferType::Video16(ref vb) => { | |
174 | let mut samp = [0u8; 2]; | |
175 | let data = vb.get_data(); | |
176 | for el in data.iter() { | |
177 | samp[0] = (*el >> 8) as u8; | |
178 | samp[1] = (*el >> 0) as u8; | |
179 | md5.update_hash(&samp); | |
180 | } | |
181 | }, | |
182 | NABufferType::Video32(ref vb) => { | |
183 | let mut samp = [0u8; 4]; | |
184 | let data = vb.get_data(); | |
185 | for el in data.iter() { | |
186 | samp[0] = (*el >> 24) as u8; | |
187 | samp[1] = (*el >> 16) as u8; | |
188 | samp[2] = (*el >> 8) as u8; | |
189 | samp[3] = (*el >> 0) as u8; | |
190 | md5.update_hash(&samp); | |
191 | } | |
192 | }, | |
193 | NABufferType::VideoPacked(ref vb) => { | |
194 | md5.update_hash(vb.get_data()); | |
195 | }, | |
196 | NABufferType::AudioU8(ref ab) => { | |
197 | md5.update_hash(ab.get_data()); | |
198 | }, | |
199 | NABufferType::AudioI16(ref ab) => { | |
200 | let mut samp = [0u8; 2]; | |
201 | let data = ab.get_data(); | |
202 | for el in data.iter() { | |
203 | samp[0] = (*el >> 8) as u8; | |
204 | samp[1] = (*el >> 0) as u8; | |
205 | md5.update_hash(&samp); | |
206 | } | |
207 | }, | |
208 | NABufferType::AudioI32(ref ab) => { | |
209 | let mut samp = [0u8; 4]; | |
210 | let data = ab.get_data(); | |
211 | for el in data.iter() { | |
212 | samp[0] = (*el >> 24) as u8; | |
213 | samp[1] = (*el >> 16) as u8; | |
214 | samp[2] = (*el >> 8) as u8; | |
215 | samp[3] = (*el >> 0) as u8; | |
216 | md5.update_hash(&samp); | |
217 | } | |
218 | }, | |
219 | NABufferType::AudioF32(ref ab) => { | |
220 | let mut samp = [0u8; 4]; | |
221 | let data = ab.get_data(); | |
222 | for el in data.iter() { | |
223 | let bits = el.to_bits(); | |
224 | samp[0] = (bits >> 24) as u8; | |
225 | samp[1] = (bits >> 16) as u8; | |
226 | samp[2] = (bits >> 8) as u8; | |
227 | samp[3] = (bits >> 0) as u8; | |
228 | md5.update_hash(&samp); | |
229 | } | |
230 | }, | |
231 | NABufferType::AudioPacked(ref ab) => { | |
232 | md5.update_hash(ab.get_data()); | |
233 | }, | |
234 | NABufferType::Data(ref db) => { | |
235 | md5.update_hash(db.as_ref()); | |
236 | }, | |
237 | NABufferType::None => {}, | |
238 | }; | |
239 | } | |
240 | ||
fb8e3177 KS |
241 | /// Tests decoder for requested codec in provided file. |
242 | /// | |
243 | /// This functions tries to decode a stream corresponding to `dec_name` codec in input file and validate the results against expected ones. | |
244 | /// | |
245 | /// Since the function is intended for tests, it will panic instead of returning an error. | |
246 | /// | |
247 | /// # Examples | |
248 | /// | |
249 | /// Test RealVideo 4 decoder in test stream: | |
250 | /// ```no_run | |
b4d5b851 KS |
251 | /// use nihav_codec_support::test::ExpectedTestResult; |
252 | /// use nihav_codec_support::test::dec_video::test_decoding; | |
fb8e3177 KS |
253 | /// use nihav_core::codecs::RegisteredDecoders; |
254 | /// use nihav_core::demuxers::RegisteredDemuxers; | |
255 | /// | |
256 | /// let mut dmx_reg = RegisteredDemuxers::new(); | |
257 | /// let mut dec_reg = RegisteredDecoders::new(); | |
258 | /// // ... register RealMedia demuxers and RealVideo decoders ... | |
259 | /// test_decoding("realmedia", "rv40", "assets/test_file.rmvb", None, &dmx_reg, &dec_reg, ExpectedTestResult::MD5([0x00010203, 0x04050607, 0x08090a0b, 0x0c0d0e0f])); | |
260 | /// ``` | |
d24468d9 | 261 | pub fn test_decoding(demuxer: &str, dec_name: &str, filename: &str, limit: Option<u64>, |
eca0802b KS |
262 | dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders, |
263 | test: ExpectedTestResult) { | |
264 | let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap(); | |
265 | let mut file = File::open(filename).unwrap(); | |
266 | let mut fr = FileReader::new_read(&mut file); | |
267 | let mut br = ByteReader::new(&mut fr); | |
268 | let mut dmx = create_demuxer(dmx_f, &mut br).unwrap(); | |
269 | ||
270 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new(); | |
271 | let mut found = false; | |
272 | for i in 0..dmx.get_num_streams() { | |
273 | let s = dmx.get_stream(i).unwrap(); | |
274 | let info = s.get_info(); | |
275 | println!("stream {} codec {} / {}", i, info.get_name(), dec_name); | |
276 | if !found && (info.get_name() == dec_name) { | |
277 | let decfunc = dec_reg.find_decoder(info.get_name()); | |
278 | if let Some(df) = decfunc { | |
279 | let mut dec = (df)(); | |
280 | let mut dsupp = Box::new(NADecoderSupport::new()); | |
281 | dec.init(&mut dsupp, info).unwrap(); | |
282 | decs.push(Some((dsupp, dec))); | |
283 | found = true; | |
284 | } else { | |
285 | decs.push(None); | |
286 | } | |
287 | } else { | |
288 | decs.push(None); | |
289 | } | |
290 | } | |
291 | ||
292 | let mut md5 = MD5::new(); | |
293 | let mut frameiter = if let ExpectedTestResult::MD5Frames(ref vec) = test { | |
294 | Some(vec.iter()) | |
295 | } else { | |
296 | None | |
297 | }; | |
298 | loop { | |
299 | let pktres = dmx.get_frame(); | |
300 | if let Err(e) = pktres { | |
301 | if e == DemuxerError::EOF { break; } | |
302 | panic!("error"); | |
303 | } | |
304 | let pkt = pktres.unwrap(); | |
305 | let streamno = pkt.get_stream().get_id() as usize; | |
306 | if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] { | |
307 | if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() { | |
308 | break; | |
309 | } | |
310 | let frm = dec.decode(dsupp, &pkt).unwrap(); | |
311 | match &test { | |
312 | ExpectedTestResult::Decodes => {}, | |
313 | ExpectedTestResult::MD5(_) => { frame_checksum(&mut md5, frm); }, | |
314 | ExpectedTestResult::MD5Frames(_) => { | |
315 | md5 = MD5::new(); | |
316 | frame_checksum(&mut md5, frm); | |
317 | md5.finish(); | |
318 | if let Some(ref mut iter) = frameiter { | |
319 | let ret = iter.next(); | |
320 | if ret.is_none() { break; } | |
321 | let ref_hash = ret.unwrap(); | |
322 | let mut hash = [0u32; 4]; | |
323 | md5.get_hash(&mut hash); | |
324 | println!("frame pts {:?} hash {}", pkt.get_pts(), md5); | |
325 | assert_eq!(&hash, ref_hash); | |
326 | } | |
327 | }, | |
328 | ExpectedTestResult::GenerateMD5Frames => { | |
329 | md5 = MD5::new(); | |
330 | frame_checksum(&mut md5, frm); | |
331 | md5.finish(); | |
96eff47e KS |
332 | let mut hash = [0u32; 4]; |
333 | md5.get_hash(&mut hash); | |
334 | println!("frame pts {:?} hash [0x{:08x}, 0x{:08x}, 0x{:08x}, 0x{:08x}],", pkt.get_pts(), hash[0], hash[1], hash[2], hash[3]); | |
eca0802b KS |
335 | }, |
336 | }; | |
337 | } | |
338 | } | |
339 | if let ExpectedTestResult::MD5(ref ref_hash) = test { | |
340 | md5.finish(); | |
341 | let mut hash = [0u32; 4]; | |
342 | md5.get_hash(&mut hash); | |
343 | println!("full hash {}", md5); | |
344 | assert_eq!(&hash, ref_hash); | |
345 | } | |
346 | if let ExpectedTestResult::GenerateMD5Frames = test { | |
347 | panic!("generated hashes"); | |
348 | } | |
349 | } |