Andreas Huber | 83f70f4 | 2012-02-01 11:47:54 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | //#define LOG_NDEBUG 0 |
| 18 | #define LOG_TAG "SoftAMRWBEncoder" |
| 19 | #include <utils/Log.h> |
| 20 | |
| 21 | #include "SoftAMRWBEncoder.h" |
| 22 | |
| 23 | #include "cmnMemory.h" |
| 24 | |
| 25 | #include <media/stagefright/foundation/ADebug.h> |
| 26 | #include <media/stagefright/foundation/hexdump.h> |
| 27 | |
| 28 | namespace android { |
| 29 | |
| 30 | static const int32_t kSampleRate = 16000; |
| 31 | |
| 32 | template<class T> |
| 33 | static void InitOMXParams(T *params) { |
| 34 | params->nSize = sizeof(T); |
| 35 | params->nVersion.s.nVersionMajor = 1; |
| 36 | params->nVersion.s.nVersionMinor = 0; |
| 37 | params->nVersion.s.nRevision = 0; |
| 38 | params->nVersion.s.nStep = 0; |
| 39 | } |
| 40 | |
| 41 | SoftAMRWBEncoder::SoftAMRWBEncoder( |
| 42 | const char *name, |
| 43 | const OMX_CALLBACKTYPE *callbacks, |
| 44 | OMX_PTR appData, |
| 45 | OMX_COMPONENTTYPE **component) |
| 46 | : SimpleSoftOMXComponent(name, callbacks, appData, component), |
| 47 | mEncoderHandle(NULL), |
| 48 | mApiHandle(NULL), |
| 49 | mMemOperator(NULL), |
| 50 | mBitRate(0), |
| 51 | mMode(VOAMRWB_MD66), |
| 52 | mInputSize(0), |
| 53 | mInputTimeUs(-1ll), |
| 54 | mSawInputEOS(false), |
| 55 | mSignalledError(false) { |
| 56 | initPorts(); |
| 57 | CHECK_EQ(initEncoder(), (status_t)OK); |
| 58 | } |
| 59 | |
| 60 | SoftAMRWBEncoder::~SoftAMRWBEncoder() { |
| 61 | if (mEncoderHandle != NULL) { |
| 62 | CHECK_EQ(VO_ERR_NONE, mApiHandle->Uninit(mEncoderHandle)); |
| 63 | mEncoderHandle = NULL; |
| 64 | } |
| 65 | |
| 66 | delete mApiHandle; |
| 67 | mApiHandle = NULL; |
| 68 | |
| 69 | delete mMemOperator; |
| 70 | mMemOperator = NULL; |
| 71 | } |
| 72 | |
| 73 | void SoftAMRWBEncoder::initPorts() { |
| 74 | OMX_PARAM_PORTDEFINITIONTYPE def; |
| 75 | InitOMXParams(&def); |
| 76 | |
| 77 | def.nPortIndex = 0; |
| 78 | def.eDir = OMX_DirInput; |
| 79 | def.nBufferCountMin = kNumBuffers; |
| 80 | def.nBufferCountActual = def.nBufferCountMin; |
| 81 | def.nBufferSize = kNumSamplesPerFrame * sizeof(int16_t); |
| 82 | def.bEnabled = OMX_TRUE; |
| 83 | def.bPopulated = OMX_FALSE; |
| 84 | def.eDomain = OMX_PortDomainAudio; |
| 85 | def.bBuffersContiguous = OMX_FALSE; |
| 86 | def.nBufferAlignment = 1; |
| 87 | |
| 88 | def.format.audio.cMIMEType = const_cast<char *>("audio/raw"); |
| 89 | def.format.audio.pNativeRender = NULL; |
| 90 | def.format.audio.bFlagErrorConcealment = OMX_FALSE; |
| 91 | def.format.audio.eEncoding = OMX_AUDIO_CodingPCM; |
| 92 | |
| 93 | addPort(def); |
| 94 | |
| 95 | def.nPortIndex = 1; |
| 96 | def.eDir = OMX_DirOutput; |
| 97 | def.nBufferCountMin = kNumBuffers; |
| 98 | def.nBufferCountActual = def.nBufferCountMin; |
| 99 | def.nBufferSize = 8192; |
| 100 | def.bEnabled = OMX_TRUE; |
| 101 | def.bPopulated = OMX_FALSE; |
| 102 | def.eDomain = OMX_PortDomainAudio; |
| 103 | def.bBuffersContiguous = OMX_FALSE; |
| 104 | def.nBufferAlignment = 2; |
| 105 | |
| 106 | def.format.audio.cMIMEType = const_cast<char *>("audio/amr-wb"); |
| 107 | def.format.audio.pNativeRender = NULL; |
| 108 | def.format.audio.bFlagErrorConcealment = OMX_FALSE; |
| 109 | def.format.audio.eEncoding = OMX_AUDIO_CodingAMR; |
| 110 | |
| 111 | addPort(def); |
| 112 | } |
| 113 | |
| 114 | status_t SoftAMRWBEncoder::initEncoder() { |
| 115 | mApiHandle = new VO_AUDIO_CODECAPI; |
| 116 | |
| 117 | if (VO_ERR_NONE != voGetAMRWBEncAPI(mApiHandle)) { |
| 118 | ALOGE("Failed to get api handle"); |
| 119 | return UNKNOWN_ERROR; |
| 120 | } |
| 121 | |
| 122 | mMemOperator = new VO_MEM_OPERATOR; |
| 123 | mMemOperator->Alloc = cmnMemAlloc; |
| 124 | mMemOperator->Copy = cmnMemCopy; |
| 125 | mMemOperator->Free = cmnMemFree; |
| 126 | mMemOperator->Set = cmnMemSet; |
| 127 | mMemOperator->Check = cmnMemCheck; |
| 128 | |
| 129 | VO_CODEC_INIT_USERDATA userData; |
| 130 | memset(&userData, 0, sizeof(userData)); |
| 131 | userData.memflag = VO_IMF_USERMEMOPERATOR; |
| 132 | userData.memData = (VO_PTR) mMemOperator; |
| 133 | |
| 134 | if (VO_ERR_NONE != mApiHandle->Init( |
| 135 | &mEncoderHandle, VO_AUDIO_CodingAMRWB, &userData)) { |
| 136 | ALOGE("Failed to init AMRWB encoder"); |
| 137 | return UNKNOWN_ERROR; |
| 138 | } |
| 139 | |
| 140 | VOAMRWBFRAMETYPE type = VOAMRWB_RFC3267; |
| 141 | if (VO_ERR_NONE != mApiHandle->SetParam( |
| 142 | mEncoderHandle, VO_PID_AMRWB_FRAMETYPE, &type)) { |
| 143 | ALOGE("Failed to set AMRWB encoder frame type to %d", type); |
| 144 | return UNKNOWN_ERROR; |
| 145 | } |
| 146 | |
| 147 | return OK; |
| 148 | } |
| 149 | |
| 150 | OMX_ERRORTYPE SoftAMRWBEncoder::internalGetParameter( |
| 151 | OMX_INDEXTYPE index, OMX_PTR params) { |
| 152 | switch (index) { |
| 153 | case OMX_IndexParamAudioPortFormat: |
| 154 | { |
| 155 | OMX_AUDIO_PARAM_PORTFORMATTYPE *formatParams = |
| 156 | (OMX_AUDIO_PARAM_PORTFORMATTYPE *)params; |
| 157 | |
| 158 | if (formatParams->nPortIndex > 1) { |
| 159 | return OMX_ErrorUndefined; |
| 160 | } |
| 161 | |
| 162 | if (formatParams->nIndex > 0) { |
| 163 | return OMX_ErrorNoMore; |
| 164 | } |
| 165 | |
| 166 | formatParams->eEncoding = |
| 167 | (formatParams->nPortIndex == 0) |
| 168 | ? OMX_AUDIO_CodingPCM : OMX_AUDIO_CodingAMR; |
| 169 | |
| 170 | return OMX_ErrorNone; |
| 171 | } |
| 172 | |
| 173 | case OMX_IndexParamAudioAmr: |
| 174 | { |
| 175 | OMX_AUDIO_PARAM_AMRTYPE *amrParams = |
| 176 | (OMX_AUDIO_PARAM_AMRTYPE *)params; |
| 177 | |
| 178 | if (amrParams->nPortIndex != 1) { |
| 179 | return OMX_ErrorUndefined; |
| 180 | } |
| 181 | |
| 182 | amrParams->nChannels = 1; |
| 183 | amrParams->nBitRate = mBitRate; |
| 184 | |
| 185 | amrParams->eAMRBandMode = |
| 186 | (OMX_AUDIO_AMRBANDMODETYPE)(mMode + OMX_AUDIO_AMRBandModeWB0); |
| 187 | |
| 188 | amrParams->eAMRDTXMode = OMX_AUDIO_AMRDTXModeOff; |
| 189 | amrParams->eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF; |
| 190 | |
| 191 | return OMX_ErrorNone; |
| 192 | } |
| 193 | |
| 194 | case OMX_IndexParamAudioPcm: |
| 195 | { |
| 196 | OMX_AUDIO_PARAM_PCMMODETYPE *pcmParams = |
| 197 | (OMX_AUDIO_PARAM_PCMMODETYPE *)params; |
| 198 | |
| 199 | if (pcmParams->nPortIndex != 0) { |
| 200 | return OMX_ErrorUndefined; |
| 201 | } |
| 202 | |
| 203 | pcmParams->eNumData = OMX_NumericalDataSigned; |
| 204 | pcmParams->eEndian = OMX_EndianBig; |
| 205 | pcmParams->bInterleaved = OMX_TRUE; |
| 206 | pcmParams->nBitPerSample = 16; |
| 207 | pcmParams->ePCMMode = OMX_AUDIO_PCMModeLinear; |
| 208 | pcmParams->eChannelMapping[0] = OMX_AUDIO_ChannelCF; |
| 209 | |
| 210 | pcmParams->nChannels = 1; |
| 211 | pcmParams->nSamplingRate = kSampleRate; |
| 212 | |
| 213 | return OMX_ErrorNone; |
| 214 | } |
| 215 | |
| 216 | default: |
| 217 | return SimpleSoftOMXComponent::internalGetParameter(index, params); |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | OMX_ERRORTYPE SoftAMRWBEncoder::internalSetParameter( |
| 222 | OMX_INDEXTYPE index, const OMX_PTR params) { |
| 223 | switch (index) { |
| 224 | case OMX_IndexParamStandardComponentRole: |
| 225 | { |
| 226 | const OMX_PARAM_COMPONENTROLETYPE *roleParams = |
| 227 | (const OMX_PARAM_COMPONENTROLETYPE *)params; |
| 228 | |
| 229 | if (strncmp((const char *)roleParams->cRole, |
| 230 | "audio_encoder.amrwb", |
| 231 | OMX_MAX_STRINGNAME_SIZE - 1)) { |
| 232 | return OMX_ErrorUndefined; |
| 233 | } |
| 234 | |
| 235 | return OMX_ErrorNone; |
| 236 | } |
| 237 | |
| 238 | case OMX_IndexParamAudioPortFormat: |
| 239 | { |
| 240 | const OMX_AUDIO_PARAM_PORTFORMATTYPE *formatParams = |
| 241 | (const OMX_AUDIO_PARAM_PORTFORMATTYPE *)params; |
| 242 | |
| 243 | if (formatParams->nPortIndex > 1) { |
| 244 | return OMX_ErrorUndefined; |
| 245 | } |
| 246 | |
| 247 | if (formatParams->nIndex > 0) { |
| 248 | return OMX_ErrorNoMore; |
| 249 | } |
| 250 | |
| 251 | if ((formatParams->nPortIndex == 0 |
| 252 | && formatParams->eEncoding != OMX_AUDIO_CodingPCM) |
| 253 | || (formatParams->nPortIndex == 1 |
| 254 | && formatParams->eEncoding != OMX_AUDIO_CodingAMR)) { |
| 255 | return OMX_ErrorUndefined; |
| 256 | } |
| 257 | |
| 258 | return OMX_ErrorNone; |
| 259 | } |
| 260 | |
| 261 | case OMX_IndexParamAudioAmr: |
| 262 | { |
| 263 | OMX_AUDIO_PARAM_AMRTYPE *amrParams = |
| 264 | (OMX_AUDIO_PARAM_AMRTYPE *)params; |
| 265 | |
| 266 | if (amrParams->nPortIndex != 1) { |
| 267 | return OMX_ErrorUndefined; |
| 268 | } |
| 269 | |
| 270 | if (amrParams->nChannels != 1 |
| 271 | || amrParams->eAMRDTXMode != OMX_AUDIO_AMRDTXModeOff |
| 272 | || amrParams->eAMRFrameFormat |
| 273 | != OMX_AUDIO_AMRFrameFormatFSF |
| 274 | || amrParams->eAMRBandMode < OMX_AUDIO_AMRBandModeWB0 |
| 275 | || amrParams->eAMRBandMode > OMX_AUDIO_AMRBandModeWB8) { |
| 276 | return OMX_ErrorUndefined; |
| 277 | } |
| 278 | |
| 279 | mBitRate = amrParams->nBitRate; |
| 280 | |
| 281 | mMode = (VOAMRWBMODE)( |
| 282 | amrParams->eAMRBandMode - OMX_AUDIO_AMRBandModeWB0); |
| 283 | |
| 284 | amrParams->eAMRDTXMode = OMX_AUDIO_AMRDTXModeOff; |
| 285 | amrParams->eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF; |
| 286 | |
| 287 | if (VO_ERR_NONE != |
| 288 | mApiHandle->SetParam( |
| 289 | mEncoderHandle, VO_PID_AMRWB_MODE, &mMode)) { |
| 290 | ALOGE("Failed to set AMRWB encoder mode to %d", mMode); |
| 291 | return OMX_ErrorUndefined; |
| 292 | } |
| 293 | |
| 294 | return OMX_ErrorNone; |
| 295 | } |
| 296 | |
| 297 | case OMX_IndexParamAudioPcm: |
| 298 | { |
| 299 | OMX_AUDIO_PARAM_PCMMODETYPE *pcmParams = |
| 300 | (OMX_AUDIO_PARAM_PCMMODETYPE *)params; |
| 301 | |
| 302 | if (pcmParams->nPortIndex != 0) { |
| 303 | return OMX_ErrorUndefined; |
| 304 | } |
| 305 | |
| 306 | if (pcmParams->nChannels != 1 |
| 307 | || pcmParams->nSamplingRate != (OMX_U32)kSampleRate) { |
| 308 | return OMX_ErrorUndefined; |
| 309 | } |
| 310 | |
| 311 | return OMX_ErrorNone; |
| 312 | } |
| 313 | |
| 314 | |
| 315 | default: |
| 316 | return SimpleSoftOMXComponent::internalSetParameter(index, params); |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | void SoftAMRWBEncoder::onQueueFilled(OMX_U32 portIndex) { |
| 321 | if (mSignalledError) { |
| 322 | return; |
| 323 | } |
| 324 | |
| 325 | List<BufferInfo *> &inQueue = getPortQueue(0); |
| 326 | List<BufferInfo *> &outQueue = getPortQueue(1); |
| 327 | |
| 328 | size_t numBytesPerInputFrame = kNumSamplesPerFrame * sizeof(int16_t); |
| 329 | |
| 330 | for (;;) { |
| 331 | // We do the following until we run out of buffers. |
| 332 | |
| 333 | while (mInputSize < numBytesPerInputFrame) { |
| 334 | // As long as there's still input data to be read we |
| 335 | // will drain "kNumSamplesPerFrame" samples |
| 336 | // into the "mInputFrame" buffer and then encode those |
| 337 | // as a unit into an output buffer. |
| 338 | |
| 339 | if (mSawInputEOS || inQueue.empty()) { |
| 340 | return; |
| 341 | } |
| 342 | |
| 343 | BufferInfo *inInfo = *inQueue.begin(); |
| 344 | OMX_BUFFERHEADERTYPE *inHeader = inInfo->mHeader; |
| 345 | |
| 346 | const void *inData = inHeader->pBuffer + inHeader->nOffset; |
| 347 | |
| 348 | size_t copy = numBytesPerInputFrame - mInputSize; |
| 349 | if (copy > inHeader->nFilledLen) { |
| 350 | copy = inHeader->nFilledLen; |
| 351 | } |
| 352 | |
| 353 | if (mInputSize == 0) { |
| 354 | mInputTimeUs = inHeader->nTimeStamp; |
| 355 | } |
| 356 | |
| 357 | memcpy((uint8_t *)mInputFrame + mInputSize, inData, copy); |
| 358 | mInputSize += copy; |
| 359 | |
| 360 | inHeader->nOffset += copy; |
| 361 | inHeader->nFilledLen -= copy; |
| 362 | |
| 363 | // "Time" on the input buffer has in effect advanced by the |
| 364 | // number of audio frames we just advanced nOffset by. |
| 365 | inHeader->nTimeStamp += |
| 366 | (copy * 1000000ll / kSampleRate) / sizeof(int16_t); |
| 367 | |
| 368 | if (inHeader->nFilledLen == 0) { |
| 369 | if (inHeader->nFlags & OMX_BUFFERFLAG_EOS) { |
| 370 | ALOGV("saw input EOS"); |
| 371 | mSawInputEOS = true; |
| 372 | |
| 373 | // Pad any remaining data with zeroes. |
| 374 | memset((uint8_t *)mInputFrame + mInputSize, |
| 375 | 0, |
| 376 | numBytesPerInputFrame - mInputSize); |
| 377 | |
| 378 | mInputSize = numBytesPerInputFrame; |
| 379 | } |
| 380 | |
| 381 | inQueue.erase(inQueue.begin()); |
| 382 | inInfo->mOwnedByUs = false; |
| 383 | notifyEmptyBufferDone(inHeader); |
| 384 | |
| 385 | inData = NULL; |
| 386 | inHeader = NULL; |
| 387 | inInfo = NULL; |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | // At this point we have all the input data necessary to encode |
| 392 | // a single frame, all we need is an output buffer to store the result |
| 393 | // in. |
| 394 | |
| 395 | if (outQueue.empty()) { |
| 396 | return; |
| 397 | } |
| 398 | |
| 399 | BufferInfo *outInfo = *outQueue.begin(); |
| 400 | OMX_BUFFERHEADERTYPE *outHeader = outInfo->mHeader; |
| 401 | |
| 402 | uint8_t *outPtr = outHeader->pBuffer + outHeader->nOffset; |
| 403 | size_t outAvailable = outHeader->nAllocLen - outHeader->nOffset; |
| 404 | |
| 405 | VO_CODECBUFFER inputData; |
| 406 | memset(&inputData, 0, sizeof(inputData)); |
| 407 | inputData.Buffer = (unsigned char *) mInputFrame; |
| 408 | inputData.Length = mInputSize; |
| 409 | |
| 410 | CHECK_EQ(VO_ERR_NONE, |
| 411 | mApiHandle->SetInputData(mEncoderHandle, &inputData)); |
| 412 | |
| 413 | VO_CODECBUFFER outputData; |
| 414 | memset(&outputData, 0, sizeof(outputData)); |
| 415 | VO_AUDIO_OUTPUTINFO outputInfo; |
| 416 | memset(&outputInfo, 0, sizeof(outputInfo)); |
| 417 | |
| 418 | outputData.Buffer = outPtr; |
| 419 | outputData.Length = outAvailable; |
| 420 | VO_U32 ret = mApiHandle->GetOutputData( |
| 421 | mEncoderHandle, &outputData, &outputInfo); |
| 422 | CHECK(ret == VO_ERR_NONE || ret == VO_ERR_INPUT_BUFFER_SMALL); |
| 423 | |
| 424 | outHeader->nFilledLen = outputData.Length; |
| 425 | outHeader->nFlags = OMX_BUFFERFLAG_ENDOFFRAME; |
| 426 | |
| 427 | if (mSawInputEOS) { |
| 428 | // We also tag this output buffer with EOS if it corresponds |
| 429 | // to the final input buffer. |
| 430 | outHeader->nFlags = OMX_BUFFERFLAG_EOS; |
| 431 | } |
| 432 | |
| 433 | outHeader->nTimeStamp = mInputTimeUs; |
| 434 | |
| 435 | #if 0 |
| 436 | ALOGI("sending %ld bytes of data (time = %lld us, flags = 0x%08lx)", |
| 437 | outHeader->nFilledLen, mInputTimeUs, outHeader->nFlags); |
| 438 | |
| 439 | hexdump(outHeader->pBuffer + outHeader->nOffset, outHeader->nFilledLen); |
| 440 | #endif |
| 441 | |
| 442 | outQueue.erase(outQueue.begin()); |
| 443 | outInfo->mOwnedByUs = false; |
| 444 | notifyFillBufferDone(outHeader); |
| 445 | |
| 446 | outHeader = NULL; |
| 447 | outInfo = NULL; |
| 448 | |
| 449 | mInputSize = 0; |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | } // namespace android |
| 454 | |
| 455 | android::SoftOMXComponent *createSoftOMXComponent( |
| 456 | const char *name, const OMX_CALLBACKTYPE *callbacks, |
| 457 | OMX_PTR appData, OMX_COMPONENTTYPE **component) { |
| 458 | return new android::SoftAMRWBEncoder(name, callbacks, appData, component); |
| 459 | } |