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| 1 /* | |
| 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include "webrtc/modules/utility/source/file_player_impl.h" | |
| 12 #include "webrtc/system_wrappers/include/logging.h" | |
| 13 | |
| 14 namespace webrtc { | |
| 15 FilePlayer* FilePlayer::CreateFilePlayer(uint32_t instanceID, | |
| 16 FileFormats fileFormat) | |
| 17 { | |
| 18 switch(fileFormat) | |
| 19 { | |
| 20 case kFileFormatWavFile: | |
| 21 case kFileFormatCompressedFile: | |
| 22 case kFileFormatPreencodedFile: | |
| 23 case kFileFormatPcm16kHzFile: | |
| 24 case kFileFormatPcm8kHzFile: | |
| 25 case kFileFormatPcm32kHzFile: | |
| 26 // audio formats | |
| 27 return new FilePlayerImpl(instanceID, fileFormat); | |
| 28 default: | |
| 29 assert(false); | |
| 30 return NULL; | |
| 31 } | |
| 32 } | |
| 33 | |
| 34 void FilePlayer::DestroyFilePlayer(FilePlayer* player) | |
| 35 { | |
| 36 delete player; | |
| 37 } | |
| 38 | |
| 39 FilePlayerImpl::FilePlayerImpl(const uint32_t instanceID, | |
| 40 const FileFormats fileFormat) | |
| 41 : _instanceID(instanceID), | |
| 42 _fileFormat(fileFormat), | |
| 43 _fileModule(*MediaFile::CreateMediaFile(instanceID)), | |
| 44 _decodedLengthInMS(0), | |
| 45 _audioDecoder(instanceID), | |
| 46 _codec(), | |
| 47 _numberOf10MsPerFrame(0), | |
| 48 _numberOf10MsInDecoder(0), | |
| 49 _resampler(), | |
| 50 _scaling(1.0) | |
| 51 { | |
| 52 _codec.plfreq = 0; | |
| 53 } | |
| 54 | |
| 55 FilePlayerImpl::~FilePlayerImpl() | |
| 56 { | |
| 57 MediaFile::DestroyMediaFile(&_fileModule); | |
| 58 } | |
| 59 | |
| 60 int32_t FilePlayerImpl::Frequency() const | |
| 61 { | |
| 62 if(_codec.plfreq == 0) | |
| 63 { | |
| 64 return -1; | |
| 65 } | |
| 66 // Make sure that sample rate is 8,16 or 32 kHz. E.g. WAVE files may have | |
| 67 // other sampling rates. | |
| 68 if(_codec.plfreq == 11000) | |
| 69 { | |
| 70 return 16000; | |
| 71 } | |
| 72 else if(_codec.plfreq == 22000) | |
| 73 { | |
| 74 return 32000; | |
| 75 } | |
| 76 else if(_codec.plfreq == 44000) | |
| 77 { | |
| 78 return 32000; | |
| 79 } | |
| 80 else if(_codec.plfreq == 48000) | |
| 81 { | |
| 82 return 32000; | |
| 83 } | |
| 84 else | |
| 85 { | |
| 86 return _codec.plfreq; | |
| 87 } | |
| 88 } | |
| 89 | |
| 90 int32_t FilePlayerImpl::AudioCodec(CodecInst& audioCodec) const | |
| 91 { | |
| 92 audioCodec = _codec; | |
| 93 return 0; | |
| 94 } | |
| 95 | |
| 96 int32_t FilePlayerImpl::Get10msAudioFromFile( | |
| 97 int16_t* outBuffer, | |
| 98 size_t& lengthInSamples, | |
| 99 int frequencyInHz) | |
| 100 { | |
| 101 if(_codec.plfreq == 0) | |
| 102 { | |
| 103 LOG(LS_WARNING) << "Get10msAudioFromFile() playing not started!" | |
| 104 << " codec freq = " << _codec.plfreq | |
| 105 << ", wanted freq = " << frequencyInHz; | |
| 106 return -1; | |
| 107 } | |
| 108 | |
| 109 AudioFrame unresampledAudioFrame; | |
| 110 if(STR_CASE_CMP(_codec.plname, "L16") == 0) | |
| 111 { | |
| 112 unresampledAudioFrame.sample_rate_hz_ = _codec.plfreq; | |
| 113 | |
| 114 // L16 is un-encoded data. Just pull 10 ms. | |
| 115 size_t lengthInBytes = | |
| 116 sizeof(unresampledAudioFrame.data_); | |
| 117 if (_fileModule.PlayoutAudioData( | |
| 118 (int8_t*)unresampledAudioFrame.data_, | |
| 119 lengthInBytes) == -1) | |
| 120 { | |
| 121 // End of file reached. | |
| 122 return -1; | |
| 123 } | |
| 124 if(lengthInBytes == 0) | |
| 125 { | |
| 126 lengthInSamples = 0; | |
| 127 return 0; | |
| 128 } | |
| 129 // One sample is two bytes. | |
| 130 unresampledAudioFrame.samples_per_channel_ = lengthInBytes >> 1; | |
| 131 | |
| 132 } else { | |
| 133 // Decode will generate 10 ms of audio data. PlayoutAudioData(..) | |
| 134 // expects a full frame. If the frame size is larger than 10 ms, | |
| 135 // PlayoutAudioData(..) data should be called proportionally less often. | |
| 136 int16_t encodedBuffer[MAX_AUDIO_BUFFER_IN_SAMPLES]; | |
| 137 size_t encodedLengthInBytes = 0; | |
| 138 if(++_numberOf10MsInDecoder >= _numberOf10MsPerFrame) | |
| 139 { | |
| 140 _numberOf10MsInDecoder = 0; | |
| 141 size_t bytesFromFile = sizeof(encodedBuffer); | |
| 142 if (_fileModule.PlayoutAudioData((int8_t*)encodedBuffer, | |
| 143 bytesFromFile) == -1) | |
| 144 { | |
| 145 // End of file reached. | |
| 146 return -1; | |
| 147 } | |
| 148 encodedLengthInBytes = bytesFromFile; | |
| 149 } | |
| 150 if(_audioDecoder.Decode(unresampledAudioFrame,frequencyInHz, | |
| 151 (int8_t*)encodedBuffer, | |
| 152 encodedLengthInBytes) == -1) | |
| 153 { | |
| 154 return -1; | |
| 155 } | |
| 156 } | |
| 157 | |
| 158 size_t outLen = 0; | |
| 159 if(_resampler.ResetIfNeeded(unresampledAudioFrame.sample_rate_hz_, | |
| 160 frequencyInHz, 1)) | |
| 161 { | |
| 162 LOG(LS_WARNING) << "Get10msAudioFromFile() unexpected codec."; | |
| 163 | |
| 164 // New sampling frequency. Update state. | |
| 165 outLen = static_cast<size_t>(frequencyInHz / 100); | |
| 166 memset(outBuffer, 0, outLen * sizeof(int16_t)); | |
| 167 return 0; | |
| 168 } | |
| 169 _resampler.Push(unresampledAudioFrame.data_, | |
| 170 unresampledAudioFrame.samples_per_channel_, | |
| 171 outBuffer, | |
| 172 MAX_AUDIO_BUFFER_IN_SAMPLES, | |
| 173 outLen); | |
| 174 | |
| 175 lengthInSamples = outLen; | |
| 176 | |
| 177 if(_scaling != 1.0) | |
| 178 { | |
| 179 for (size_t i = 0;i < outLen; i++) | |
| 180 { | |
| 181 outBuffer[i] = (int16_t)(outBuffer[i] * _scaling); | |
| 182 } | |
| 183 } | |
| 184 _decodedLengthInMS += 10; | |
| 185 return 0; | |
| 186 } | |
| 187 | |
| 188 int32_t FilePlayerImpl::RegisterModuleFileCallback(FileCallback* callback) | |
| 189 { | |
| 190 return _fileModule.SetModuleFileCallback(callback); | |
| 191 } | |
| 192 | |
| 193 int32_t FilePlayerImpl::SetAudioScaling(float scaleFactor) | |
| 194 { | |
| 195 if((scaleFactor >= 0)&&(scaleFactor <= 2.0)) | |
| 196 { | |
| 197 _scaling = scaleFactor; | |
| 198 return 0; | |
| 199 } | |
| 200 LOG(LS_WARNING) << "SetAudioScaling() non-allowed scale factor."; | |
| 201 return -1; | |
| 202 } | |
| 203 | |
| 204 int32_t FilePlayerImpl::StartPlayingFile(const char* fileName, | |
| 205 bool loop, | |
| 206 uint32_t startPosition, | |
| 207 float volumeScaling, | |
| 208 uint32_t notification, | |
| 209 uint32_t stopPosition, | |
| 210 const CodecInst* codecInst) | |
| 211 { | |
| 212 if (_fileFormat == kFileFormatPcm16kHzFile || | |
| 213 _fileFormat == kFileFormatPcm8kHzFile|| | |
| 214 _fileFormat == kFileFormatPcm32kHzFile ) | |
| 215 { | |
| 216 CodecInst codecInstL16; | |
| 217 strncpy(codecInstL16.plname,"L16",32); | |
| 218 codecInstL16.pltype = 93; | |
| 219 codecInstL16.channels = 1; | |
| 220 | |
| 221 if (_fileFormat == kFileFormatPcm8kHzFile) | |
| 222 { | |
| 223 codecInstL16.rate = 128000; | |
| 224 codecInstL16.plfreq = 8000; | |
| 225 codecInstL16.pacsize = 80; | |
| 226 | |
| 227 } else if(_fileFormat == kFileFormatPcm16kHzFile) | |
| 228 { | |
| 229 codecInstL16.rate = 256000; | |
| 230 codecInstL16.plfreq = 16000; | |
| 231 codecInstL16.pacsize = 160; | |
| 232 | |
| 233 }else if(_fileFormat == kFileFormatPcm32kHzFile) | |
| 234 { | |
| 235 codecInstL16.rate = 512000; | |
| 236 codecInstL16.plfreq = 32000; | |
| 237 codecInstL16.pacsize = 160; | |
| 238 } else | |
| 239 { | |
| 240 LOG(LS_ERROR) << "StartPlayingFile() sample frequency not " | |
| 241 << "supported for PCM format."; | |
| 242 return -1; | |
| 243 } | |
| 244 | |
| 245 if (_fileModule.StartPlayingAudioFile(fileName, notification, loop, | |
| 246 _fileFormat, &codecInstL16, | |
| 247 startPosition, | |
| 248 stopPosition) == -1) | |
| 249 { | |
| 250 LOG(LS_WARNING) << "StartPlayingFile() failed to initialize " | |
| 251 << "pcm file " << fileName; | |
| 252 return -1; | |
| 253 } | |
| 254 SetAudioScaling(volumeScaling); | |
| 255 }else if(_fileFormat == kFileFormatPreencodedFile) | |
| 256 { | |
| 257 if (_fileModule.StartPlayingAudioFile(fileName, notification, loop, | |
| 258 _fileFormat, codecInst) == -1) | |
| 259 { | |
| 260 LOG(LS_WARNING) << "StartPlayingFile() failed to initialize " | |
| 261 << "pre-encoded file " << fileName; | |
| 262 return -1; | |
| 263 } | |
| 264 } else | |
| 265 { | |
| 266 CodecInst* no_inst = NULL; | |
| 267 if (_fileModule.StartPlayingAudioFile(fileName, notification, loop, | |
| 268 _fileFormat, no_inst, | |
| 269 startPosition, | |
| 270 stopPosition) == -1) | |
| 271 { | |
| 272 LOG(LS_WARNING) << "StartPlayingFile() failed to initialize file " | |
| 273 << fileName; | |
| 274 return -1; | |
| 275 } | |
| 276 SetAudioScaling(volumeScaling); | |
| 277 } | |
| 278 if (SetUpAudioDecoder() == -1) | |
| 279 { | |
| 280 StopPlayingFile(); | |
| 281 return -1; | |
| 282 } | |
| 283 return 0; | |
| 284 } | |
| 285 | |
| 286 int32_t FilePlayerImpl::StartPlayingFile(InStream& sourceStream, | |
| 287 uint32_t startPosition, | |
| 288 float volumeScaling, | |
| 289 uint32_t notification, | |
| 290 uint32_t stopPosition, | |
| 291 const CodecInst* codecInst) | |
| 292 { | |
| 293 if (_fileFormat == kFileFormatPcm16kHzFile || | |
| 294 _fileFormat == kFileFormatPcm32kHzFile || | |
| 295 _fileFormat == kFileFormatPcm8kHzFile) | |
| 296 { | |
| 297 CodecInst codecInstL16; | |
| 298 strncpy(codecInstL16.plname,"L16",32); | |
| 299 codecInstL16.pltype = 93; | |
| 300 codecInstL16.channels = 1; | |
| 301 | |
| 302 if (_fileFormat == kFileFormatPcm8kHzFile) | |
| 303 { | |
| 304 codecInstL16.rate = 128000; | |
| 305 codecInstL16.plfreq = 8000; | |
| 306 codecInstL16.pacsize = 80; | |
| 307 | |
| 308 }else if (_fileFormat == kFileFormatPcm16kHzFile) | |
| 309 { | |
| 310 codecInstL16.rate = 256000; | |
| 311 codecInstL16.plfreq = 16000; | |
| 312 codecInstL16.pacsize = 160; | |
| 313 | |
| 314 }else if (_fileFormat == kFileFormatPcm32kHzFile) | |
| 315 { | |
| 316 codecInstL16.rate = 512000; | |
| 317 codecInstL16.plfreq = 32000; | |
| 318 codecInstL16.pacsize = 160; | |
| 319 }else | |
| 320 { | |
| 321 LOG(LS_ERROR) << "StartPlayingFile() sample frequency not " | |
| 322 << "supported for PCM format."; | |
| 323 return -1; | |
| 324 } | |
| 325 if (_fileModule.StartPlayingAudioStream(sourceStream, notification, | |
| 326 _fileFormat, &codecInstL16, | |
| 327 startPosition, | |
| 328 stopPosition) == -1) | |
| 329 { | |
| 330 LOG(LS_ERROR) << "StartPlayingFile() failed to initialize stream " | |
| 331 << "playout."; | |
| 332 return -1; | |
| 333 } | |
| 334 | |
| 335 }else if(_fileFormat == kFileFormatPreencodedFile) | |
| 336 { | |
| 337 if (_fileModule.StartPlayingAudioStream(sourceStream, notification, | |
| 338 _fileFormat, codecInst) == -1) | |
| 339 { | |
| 340 LOG(LS_ERROR) << "StartPlayingFile() failed to initialize stream " | |
| 341 << "playout."; | |
| 342 return -1; | |
| 343 } | |
| 344 } else { | |
| 345 CodecInst* no_inst = NULL; | |
| 346 if (_fileModule.StartPlayingAudioStream(sourceStream, notification, | |
| 347 _fileFormat, no_inst, | |
| 348 startPosition, | |
| 349 stopPosition) == -1) | |
| 350 { | |
| 351 LOG(LS_ERROR) << "StartPlayingFile() failed to initialize stream " | |
| 352 << "playout."; | |
| 353 return -1; | |
| 354 } | |
| 355 } | |
| 356 SetAudioScaling(volumeScaling); | |
| 357 | |
| 358 if (SetUpAudioDecoder() == -1) | |
| 359 { | |
| 360 StopPlayingFile(); | |
| 361 return -1; | |
| 362 } | |
| 363 return 0; | |
| 364 } | |
| 365 | |
| 366 int32_t FilePlayerImpl::StopPlayingFile() | |
| 367 { | |
| 368 memset(&_codec, 0, sizeof(CodecInst)); | |
| 369 _numberOf10MsPerFrame = 0; | |
| 370 _numberOf10MsInDecoder = 0; | |
| 371 return _fileModule.StopPlaying(); | |
| 372 } | |
| 373 | |
| 374 bool FilePlayerImpl::IsPlayingFile() const | |
| 375 { | |
| 376 return _fileModule.IsPlaying(); | |
| 377 } | |
| 378 | |
| 379 int32_t FilePlayerImpl::GetPlayoutPosition(uint32_t& durationMs) | |
| 380 { | |
| 381 return _fileModule.PlayoutPositionMs(durationMs); | |
| 382 } | |
| 383 | |
| 384 int32_t FilePlayerImpl::SetUpAudioDecoder() | |
| 385 { | |
| 386 if ((_fileModule.codec_info(_codec) == -1)) | |
| 387 { | |
| 388 LOG(LS_WARNING) << "Failed to retrieve codec info of file data."; | |
| 389 return -1; | |
| 390 } | |
| 391 if( STR_CASE_CMP(_codec.plname, "L16") != 0 && | |
| 392 _audioDecoder.SetDecodeCodec(_codec) == -1) | |
| 393 { | |
| 394 LOG(LS_WARNING) << "SetUpAudioDecoder() codec " << _codec.plname | |
| 395 << " not supported."; | |
| 396 return -1; | |
| 397 } | |
| 398 _numberOf10MsPerFrame = _codec.pacsize / (_codec.plfreq / 100); | |
| 399 _numberOf10MsInDecoder = 0; | |
| 400 return 0; | |
| 401 } | |
| 402 } // namespace webrtc | |
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Chromium Code Reviews
Issue 2037623002:
Move FilePlayer and FileRecorder to Voice Engine (Closed)
Base URL: https://chromium.googlesource.com/external/webrtc.git@remove0