| 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 | /// Tests decoder for requested codec in provided file with raw streams. |
| 353 | /// |
| 354 | /// This functions tries to decode a stream corresponding to `dec_name` codec in input file and validate the results against expected ones. |
| 355 | /// |
| 356 | /// Since the function is intended for tests, it will panic instead of returning an error. |
| 357 | /// |
| 358 | /// # Examples |
| 359 | /// |
| 360 | /// Test FLAC decoder in test stream: |
| 361 | /// ```no_run |
| 362 | /// use nihav_codec_support::test::ExpectedTestResult; |
| 363 | /// use nihav_codec_support::test::dec_video::test_decoding_raw; |
| 364 | /// use nihav_core::codecs::RegisteredDecoders; |
| 365 | /// use nihav_core::demuxers::RegisteredDemuxers; |
| 366 | /// |
| 367 | /// let mut dmx_reg = RegisteredRawDemuxers::new(); |
| 368 | /// let mut pkt_reg = RegisteredPacketisers::new(); |
| 369 | /// let mut dec_reg = RegisteredDecoders::new(); |
| 370 | /// // ... register FLAC demuxer, packetiser and decoders ... |
| 371 | /// test_decoding_raw("flac", "flac", "assets/test_file.flac", None, &dmx_reg, &pkt_reg, &dec_reg, ExpectedTestResult::MD5([0x00010203, 0x04050607, 0x08090a0b, 0x0c0d0e0f])); |
| 372 | /// ``` |
| 373 | pub fn test_decoding_raw(demuxer: &str, dec_name: &str, filename: &str, limit: Option<u64>, |
| 374 | dmx_reg: &RegisteredRawDemuxers, pkt_reg: &RegisteredPacketisers, |
| 375 | dec_reg: &RegisteredDecoders, test: ExpectedTestResult) { |
| 376 | let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap(); |
| 377 | let mut file = File::open(filename).unwrap(); |
| 378 | let mut fr = FileReader::new_read(&mut file); |
| 379 | let mut br = ByteReader::new(&mut fr); |
| 380 | let mut dmx = create_raw_demuxer(dmx_f, &mut br).unwrap(); |
| 381 | |
| 382 | let mut decs: Vec<Option<(Box<dyn NAPacketiser>, Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new(); |
| 383 | let mut found = false; |
| 384 | for i in 0..dmx.get_num_streams() { |
| 385 | let s = dmx.get_stream(i).unwrap(); |
| 386 | let info = s.get_info(); |
| 387 | println!("stream {} codec {} / {}", i, info.get_name(), dec_name); |
| 388 | if !found && (info.get_name() == dec_name) { |
| 389 | let decfunc = dec_reg.find_decoder(info.get_name()); |
| 390 | let pktfunc = pkt_reg.find_packetiser(info.get_name()); |
| 391 | if let (Some(df), Some(pf)) = (decfunc, pktfunc) { |
| 392 | let mut pkt = (pf)(); |
| 393 | pkt.attach_stream(s); |
| 394 | let mut dec = (df)(); |
| 395 | let mut dsupp = Box::new(NADecoderSupport::new()); |
| 396 | dec.init(&mut dsupp, info).unwrap(); |
| 397 | decs.push(Some((pkt, dsupp, dec))); |
| 398 | found = true; |
| 399 | } else { |
| 400 | decs.push(None); |
| 401 | } |
| 402 | } else { |
| 403 | decs.push(None); |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | let mut md5 = MD5::new(); |
| 408 | let mut frameiter = if let ExpectedTestResult::MD5Frames(ref vec) = test { |
| 409 | Some(vec.iter()) |
| 410 | } else { |
| 411 | None |
| 412 | }; |
| 413 | loop { |
| 414 | let datares = dmx.get_data(); |
| 415 | if let Err(e) = datares { |
| 416 | if e == DemuxerError::EOF { break; } |
| 417 | panic!("error"); |
| 418 | } |
| 419 | let data = datares.unwrap(); |
| 420 | let streamno = data.get_stream().get_id() as usize; |
| 421 | if let Some((ref mut pktr, ref mut dsupp, ref mut dec)) = decs[streamno] { |
| 422 | pktr.add_data(&data.get_buffer()); |
| 423 | while let Ok(Some(pkt)) = pktr.get_packet(data.get_stream()) { |
| 424 | if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() { |
| 425 | break; |
| 426 | } |
| 427 | let frm = dec.decode(dsupp, &pkt).unwrap(); |
| 428 | match &test { |
| 429 | ExpectedTestResult::Decodes => {}, |
| 430 | ExpectedTestResult::MD5(_) => { frame_checksum(&mut md5, frm); }, |
| 431 | ExpectedTestResult::MD5Frames(_) => { |
| 432 | md5 = MD5::new(); |
| 433 | frame_checksum(&mut md5, frm); |
| 434 | md5.finish(); |
| 435 | if let Some(ref mut iter) = frameiter { |
| 436 | let ret = iter.next(); |
| 437 | if ret.is_none() { break; } |
| 438 | let ref_hash = ret.unwrap(); |
| 439 | let mut hash = [0u32; 4]; |
| 440 | md5.get_hash(&mut hash); |
| 441 | println!("frame pts {:?} hash {}", pkt.get_pts(), md5); |
| 442 | assert_eq!(&hash, ref_hash); |
| 443 | } |
| 444 | }, |
| 445 | ExpectedTestResult::GenerateMD5Frames => { |
| 446 | md5 = MD5::new(); |
| 447 | frame_checksum(&mut md5, frm); |
| 448 | md5.finish(); |
| 449 | let mut hash = [0u32; 4]; |
| 450 | md5.get_hash(&mut hash); |
| 451 | println!("frame pts {:?} hash [0x{:08x}, 0x{:08x}, 0x{:08x}, 0x{:08x}],", pkt.get_pts(), hash[0], hash[1], hash[2], hash[3]); |
| 452 | }, |
| 453 | }; |
| 454 | } |
| 455 | } |
| 456 | } |
| 457 | if let ExpectedTestResult::MD5(ref ref_hash) = test { |
| 458 | md5.finish(); |
| 459 | let mut hash = [0u32; 4]; |
| 460 | md5.get_hash(&mut hash); |
| 461 | println!("full hash {}", md5); |
| 462 | assert_eq!(&hash, ref_hash); |
| 463 | } |
| 464 | if let ExpectedTestResult::GenerateMD5Frames = test { |
| 465 | panic!("generated hashes"); |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | const THREADS: usize = 3; |
| 470 | |
| 471 | 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 { |
| 472 | let frm_pts = frm.get_pts(); |
| 473 | let frm_dts = frm.get_dts(); |
| 474 | if let (Some(lts), Some(cts)) = (*last_ts, frm_dts) { |
| 475 | assert!(lts < cts); |
| 476 | } |
| 477 | *last_ts = frm_dts; |
| 478 | match test { |
| 479 | ExpectedTestResult::Decodes => {}, |
| 480 | ExpectedTestResult::MD5(_) => { frame_checksum(glbl_md5, frm); }, |
| 481 | ExpectedTestResult::MD5Frames(_) => { |
| 482 | let mut loc_md5 = MD5::new(); |
| 483 | frame_checksum(&mut loc_md5, frm); |
| 484 | loc_md5.finish(); |
| 485 | if let Some(ref mut iter) = frameiter { |
| 486 | let ret = iter.next(); |
| 487 | if ret.is_none() { |
| 488 | return true; |
| 489 | } |
| 490 | let ref_hash = ret.unwrap(); |
| 491 | let mut hash = [0u32; 4]; |
| 492 | loc_md5.get_hash(&mut hash); |
| 493 | println!("frame pts {:?} dts {:?} hash {}", frm_pts, frm_dts, loc_md5); |
| 494 | assert_eq!(&hash, ref_hash); |
| 495 | } |
| 496 | }, |
| 497 | ExpectedTestResult::GenerateMD5Frames => { |
| 498 | let mut loc_md5 = MD5::new(); |
| 499 | frame_checksum(&mut loc_md5, frm); |
| 500 | loc_md5.finish(); |
| 501 | let mut hash = [0u32; 4]; |
| 502 | loc_md5.get_hash(&mut hash); |
| 503 | 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]); |
| 504 | }, |
| 505 | }; |
| 506 | false |
| 507 | } |
| 508 | |
| 509 | /// Tests multi-threaded decoder for requested codec in provided file. |
| 510 | /// |
| 511 | /// The syntax is very similar to [`test_file_decoding`] except that it tests multi-threaded decoders instead. |
| 512 | /// |
| 513 | /// [`test_file_decoding`]: ./fn.test_file_decoding.html |
| 514 | pub fn test_mt_decoding(demuxer: &str, dec_name: &str, filename: &str, limit: Option<u64>, |
| 515 | dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredMTDecoders, |
| 516 | test: ExpectedTestResult) { |
| 517 | let mut dec_threads = THREADS; |
| 518 | for (key, value) in std::env::vars_os() { |
| 519 | if key == "MT_THREADS" { |
| 520 | if let Some(val) = value.to_str() { |
| 521 | dec_threads = val.parse::<usize>().unwrap_or(THREADS); |
| 522 | break; |
| 523 | } |
| 524 | } |
| 525 | } |
| 526 | |
| 527 | let dmx_f = dmx_reg.find_demuxer(demuxer).expect("demuxer is not found"); |
| 528 | let mut file = File::open(filename).expect("input file should be present"); |
| 529 | let mut fr = FileReader::new_read(&mut file); |
| 530 | let mut br = ByteReader::new(&mut fr); |
| 531 | let mut dmx = create_demuxer(dmx_f, &mut br).expect("demuxer can't be created"); |
| 532 | |
| 533 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoderMT>)>> = Vec::new(); |
| 534 | let mut found = false; |
| 535 | for i in 0..dmx.get_num_streams() { |
| 536 | let s = dmx.get_stream(i).unwrap(); |
| 537 | let info = s.get_info(); |
| 538 | println!("stream {} codec {} / {}", i, info.get_name(), dec_name); |
| 539 | if !found && (info.get_name() == dec_name) { |
| 540 | let decfunc = dec_reg.find_decoder(info.get_name()); |
| 541 | if let Some(df) = decfunc { |
| 542 | let mut dec = (df)(); |
| 543 | let mut dsupp = Box::new(NADecoderSupport::new()); |
| 544 | dec.init(&mut dsupp, info, dec_threads).unwrap(); |
| 545 | decs.push(Some((dsupp, dec))); |
| 546 | found = true; |
| 547 | } else { |
| 548 | decs.push(None); |
| 549 | } |
| 550 | } else { |
| 551 | decs.push(None); |
| 552 | } |
| 553 | } |
| 554 | |
| 555 | let mut md5 = MD5::new(); |
| 556 | let mut frameiter = if let ExpectedTestResult::MD5Frames(ref vec) = test { |
| 557 | Some(vec.iter()) |
| 558 | } else { |
| 559 | None |
| 560 | }; |
| 561 | let mut reord = MTFrameReorderer::new(); |
| 562 | let mut last_ts = None; |
| 563 | 'dec_loop: loop { |
| 564 | let pktres = dmx.get_frame(); |
| 565 | if let Err(e) = pktres { |
| 566 | if e == DemuxerError::EOF { break; } |
| 567 | panic!("error"); |
| 568 | } |
| 569 | let pkt = pktres.expect("packet"); |
| 570 | let streamno = pkt.get_stream().get_id() as usize; |
| 571 | if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] { |
| 572 | if limit.is_some() && pkt.get_pts().is_some() && pkt.get_pts().unwrap() > limit.unwrap() { |
| 573 | break; |
| 574 | } |
| 575 | let queue_id = reord.register_frame(); |
| 576 | match dec.queue_pkt(dsupp, &pkt, queue_id) { |
| 577 | Ok(true) => {}, |
| 578 | Ok(false) => { |
| 579 | while !dec.can_take_input() || dec.has_output() { |
| 580 | match dec.get_frame() { |
| 581 | (Ok(frm), id) => { |
| 582 | reord.add_frame(frm, id); |
| 583 | while let Some(nfrm) = reord.get_frame() { |
| 584 | if check_frame(nfrm, &test, &mut md5, &mut frameiter, &mut last_ts) { |
| 585 | break 'dec_loop; |
| 586 | } |
| 587 | } |
| 588 | }, |
| 589 | (Err(err), id) => { |
| 590 | reord.drop_frame(id); |
| 591 | panic!("frame {} decoding error {:?}", id, err); |
| 592 | }, |
| 593 | }; |
| 594 | } |
| 595 | match dec.queue_pkt(dsupp, &pkt, queue_id) { |
| 596 | Ok(true) => {}, |
| 597 | Ok(false) => panic!("still can't queue frame!"), |
| 598 | Err(err) => panic!("queueing error {:?}", err), |
| 599 | }; |
| 600 | }, |
| 601 | Err(err) => panic!("queueing error {:?}", err), |
| 602 | }; |
| 603 | |
| 604 | } |
| 605 | } |
| 606 | 'tail_loop: for (_, ref mut dec) in decs.iter_mut().flatten() { |
| 607 | loop { |
| 608 | match dec.get_frame() { |
| 609 | (Ok(frm), id) => { |
| 610 | reord.add_frame(frm, id); |
| 611 | while let Some(nfrm) = reord.get_frame() { |
| 612 | if check_frame(nfrm, &test, &mut md5, &mut frameiter, &mut last_ts) { |
| 613 | break 'tail_loop; |
| 614 | } |
| 615 | } |
| 616 | }, |
| 617 | (Err(DecoderError::NoFrame), _) => break, |
| 618 | (Err(err), id) => panic!("frame {} decoding error {:?}", id, err), |
| 619 | }; |
| 620 | } |
| 621 | while let Some(nfrm) = reord.get_last_frames() { |
| 622 | if check_frame(nfrm, &test, &mut md5, &mut frameiter, &mut last_ts) { |
| 623 | break; |
| 624 | } |
| 625 | } |
| 626 | } |
| 627 | if let ExpectedTestResult::MD5(ref ref_hash) = test { |
| 628 | md5.finish(); |
| 629 | let mut hash = [0u32; 4]; |
| 630 | md5.get_hash(&mut hash); |
| 631 | println!("full hash {}", md5); |
| 632 | assert_eq!(&hash, ref_hash); |
| 633 | } |
| 634 | if let ExpectedTestResult::GenerateMD5Frames = test { |
| 635 | panic!("generated hashes"); |
| 636 | } |
| 637 | } |
| 638 | |
| 639 | /// Tests decoding of provided file by outputting video frames as PNM (PPM for RGB video, PGM for YUV). |
| 640 | /// |
| 641 | /// This function expects the following arguments: |
| 642 | /// * `demuxer` - container format name (used to find proper demuxer for it) |
| 643 | /// * `name` - input file name |
| 644 | /// * `video_pfx` - prefix for video frames written as pictures (output picture names should look like `<crate_name>/assets/test_out/PFXout00_000000.ppm` |
| 645 | /// * `limit` - optional PTS value after which decoding is stopped |
| 646 | /// * `dmx_reg` and `dec_reg` - registered demuxers and decoders that should contain demuxer and decoder(s) needed to decode the provided file. |
| 647 | /// |
| 648 | /// Since the function is intended for tests, it will panic instead of returning an error. |
| 649 | pub fn test_decode_images(demuxer: &str, name: &str, video_pfx: &str, limit: Option<u64>, |
| 650 | dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) { |
| 651 | let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap(); |
| 652 | let mut file = File::open(name).unwrap(); |
| 653 | let mut fr = FileReader::new_read(&mut file); |
| 654 | let mut br = ByteReader::new(&mut fr); |
| 655 | let mut dmx = create_demuxer(dmx_f, &mut br).unwrap(); |
| 656 | |
| 657 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new(); |
| 658 | for i in 0..dmx.get_num_streams() { |
| 659 | let s = dmx.get_stream(i).unwrap(); |
| 660 | let info = s.get_info(); |
| 661 | let decfunc = dec_reg.find_decoder(info.get_name()); |
| 662 | if let Some(df) = decfunc { |
| 663 | if info.is_video() { |
| 664 | let mut dec = (df)(); |
| 665 | let mut dsupp = Box::new(NADecoderSupport::new()); |
| 666 | dec.init(&mut dsupp, info).unwrap(); |
| 667 | decs.push(Some((dsupp, dec))); |
| 668 | break; |
| 669 | } else { |
| 670 | decs.push(None); |
| 671 | } |
| 672 | } else { |
| 673 | decs.push(None); |
| 674 | } |
| 675 | } |
| 676 | |
| 677 | loop { |
| 678 | let pktres = dmx.get_frame(); |
| 679 | if let Err(e) = pktres { |
| 680 | if e == DemuxerError::EOF { break; } |
| 681 | panic!("error"); |
| 682 | } |
| 683 | let pkt = pktres.unwrap(); |
| 684 | let streamno = pkt.get_stream().get_id() as usize; |
| 685 | if streamno >= decs.len() { continue; } |
| 686 | if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] { |
| 687 | if let (Some(lim), Some(ppts)) = (limit, pkt.get_pts()) { |
| 688 | if ppts > lim { break; } |
| 689 | } |
| 690 | let frm = dec.decode(dsupp, &pkt).unwrap(); |
| 691 | if frm.get_frame_type() != FrameType::Skip { |
| 692 | let pts = if let Some(fpts) = frm.get_pts() { fpts } else { pkt.get_pts().unwrap() }; |
| 693 | let pfx = OUTPUT_PREFIX.to_owned() + video_pfx + "out"; |
| 694 | write_pnm(pfx.as_str(), streamno, pts, frm).unwrap(); |
| 695 | } |
| 696 | } |
| 697 | } |
| 698 | } |