| 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 super::wavwriter::WavWriter; |
| 9 | use super::md5::MD5; |
| 10 | use crate::imgwrite::write_pnm; |
| 11 | pub use super::ExpectedTestResult; |
| 12 | |
| 13 | const OUTPUT_PREFIX: &str = "assets/test_out/"; |
| 14 | |
| 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 | |
| 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. |
| 34 | pub fn test_file_decoding(demuxer: &str, name: &str, limit: Option<u64>, |
| 35 | decode_video: bool, decode_audio: bool, |
| 36 | video_pfx: Option<&str>, |
| 37 | dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) { |
| 38 | let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap(); |
| 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); |
| 42 | let mut dmx = create_demuxer(dmx_f, &mut br).unwrap(); |
| 43 | |
| 44 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new(); |
| 45 | for i in 0..dmx.get_num_streams() { |
| 46 | let s = dmx.get_stream(i).unwrap(); |
| 47 | let info = s.get_info(); |
| 48 | let decfunc = dec_reg.find_decoder(info.get_name()); |
| 49 | if let Some(df) = decfunc { |
| 50 | if (decode_video && info.is_video()) || (decode_audio && info.is_audio()) { |
| 51 | let mut dec = (df)(); |
| 52 | let mut dsupp = Box::new(NADecoderSupport::new()); |
| 53 | dec.init(&mut dsupp, info).unwrap(); |
| 54 | decs.push(Some((dsupp, dec))); |
| 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(); |
| 70 | let streamno = pkt.get_stream().get_id() as usize; |
| 71 | if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] { |
| 72 | if let (Some(lim), Some(ppts)) = (limit, pkt.get_pts()) { |
| 73 | if ppts > lim { break; } |
| 74 | } |
| 75 | let frm = dec.decode(dsupp, &pkt).unwrap(); |
| 76 | if pkt.get_stream().get_info().is_video() && video_pfx.is_some() && frm.get_frame_type() != FrameType::Skip { |
| 77 | let pts = if let Some(fpts) = frm.get_pts() { fpts } else { pkt.get_pts().unwrap() }; |
| 78 | let pfx = OUTPUT_PREFIX.to_owned() + video_pfx.unwrap_or("") + "out"; |
| 79 | write_pnm(pfx.as_str(), streamno, pts, frm).unwrap(); |
| 80 | } |
| 81 | } |
| 82 | } |
| 83 | } |
| 84 | |
| 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 |
| 92 | pub fn test_decode_audio(demuxer: &str, name: &str, limit: Option<u64>, audio_pfx: Option<&str>, |
| 93 | dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) { |
| 94 | let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap(); |
| 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); |
| 98 | let mut dmx = create_demuxer(dmx_f, &mut br).unwrap(); |
| 99 | |
| 100 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new(); |
| 101 | for i in 0..dmx.get_num_streams() { |
| 102 | let s = dmx.get_stream(i).unwrap(); |
| 103 | let info = s.get_info(); |
| 104 | let decfunc = dec_reg.find_decoder(info.get_name()); |
| 105 | if let Some(df) = decfunc { |
| 106 | if info.is_audio() { |
| 107 | let mut dec = (df)(); |
| 108 | let mut dsupp = Box::new(NADecoderSupport::new()); |
| 109 | dec.init(&mut dsupp, info).unwrap(); |
| 110 | decs.push(Some((dsupp, dec))); |
| 111 | } else { |
| 112 | decs.push(None); |
| 113 | } |
| 114 | } else { |
| 115 | decs.push(None); |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | if let Some(audio_pfx) = audio_pfx { |
| 120 | let name = format!("{}/{}out.wav", OUTPUT_PREFIX, audio_pfx); |
| 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; |
| 126 | |
| 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(); |
| 146 | } |
| 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(); |
| 163 | } |
| 164 | } |
| 165 | } |
| 166 | } |
| 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 | |
| 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 |
| 251 | /// use nihav_codec_support::test::ExpectedTestResult; |
| 252 | /// use nihav_codec_support::test::dec_video::test_decoding; |
| 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 | /// ``` |
| 261 | pub fn test_decoding(demuxer: &str, dec_name: &str, filename: &str, limit: Option<u64>, |
| 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(); |
| 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]); |
| 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 | } |
| 350 | |
| 351 | /// Tests decoding of provided file by outputting video frames as PNM (PPM for RGB video, PGM for YUV). |
| 352 | /// |
| 353 | /// This function expects the following arguments: |
| 354 | /// * `demuxer` - container format name (used to find proper demuxer for it) |
| 355 | /// * `name` - input file name |
| 356 | /// * `video_pfx` - prefix for video frames written as pictures (output picture names should look like `<crate_name>/assets/test_out/PFXout00_000000.ppm` |
| 357 | /// * `limit` - optional PTS value after which decoding is stopped |
| 358 | /// * `dmx_reg` and `dec_reg` - registered demuxers and decoders that should contain demuxer and decoder(s) needed to decode the provided file. |
| 359 | /// |
| 360 | /// Since the function is intended for tests, it will panic instead of returning an error. |
| 361 | pub fn test_decode_images(demuxer: &str, name: &str, video_pfx: &str, limit: Option<u64>, |
| 362 | dmx_reg: &RegisteredDemuxers, dec_reg: &RegisteredDecoders) { |
| 363 | let dmx_f = dmx_reg.find_demuxer(demuxer).unwrap(); |
| 364 | let mut file = File::open(name).unwrap(); |
| 365 | let mut fr = FileReader::new_read(&mut file); |
| 366 | let mut br = ByteReader::new(&mut fr); |
| 367 | let mut dmx = create_demuxer(dmx_f, &mut br).unwrap(); |
| 368 | |
| 369 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new(); |
| 370 | for i in 0..dmx.get_num_streams() { |
| 371 | let s = dmx.get_stream(i).unwrap(); |
| 372 | let info = s.get_info(); |
| 373 | let decfunc = dec_reg.find_decoder(info.get_name()); |
| 374 | if let Some(df) = decfunc { |
| 375 | if info.is_video() { |
| 376 | let mut dec = (df)(); |
| 377 | let mut dsupp = Box::new(NADecoderSupport::new()); |
| 378 | dec.init(&mut dsupp, info).unwrap(); |
| 379 | decs.push(Some((dsupp, dec))); |
| 380 | break; |
| 381 | } else { |
| 382 | decs.push(None); |
| 383 | } |
| 384 | } else { |
| 385 | decs.push(None); |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | loop { |
| 390 | let pktres = dmx.get_frame(); |
| 391 | if let Err(e) = pktres { |
| 392 | if e == DemuxerError::EOF { break; } |
| 393 | panic!("error"); |
| 394 | } |
| 395 | let pkt = pktres.unwrap(); |
| 396 | let streamno = pkt.get_stream().get_id() as usize; |
| 397 | if streamno >= decs.len() { continue; } |
| 398 | if let Some((ref mut dsupp, ref mut dec)) = decs[streamno] { |
| 399 | if let (Some(lim), Some(ppts)) = (limit, pkt.get_pts()) { |
| 400 | if ppts > lim { break; } |
| 401 | } |
| 402 | let frm = dec.decode(dsupp, &pkt).unwrap(); |
| 403 | if frm.get_frame_type() != FrameType::Skip { |
| 404 | let pts = if let Some(fpts) = frm.get_pts() { fpts } else { pkt.get_pts().unwrap() }; |
| 405 | let pfx = OUTPUT_PREFIX.to_owned() + video_pfx + "out"; |
| 406 | write_pnm(pfx.as_str(), streamno, pts, frm).unwrap(); |
| 407 | } |
| 408 | } |
| 409 | } |
| 410 | } |