Andreas Huber | 4b3913a | 2011-05-11 14:13:42 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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 "SoftVorbis" |
| 19 | #include <utils/Log.h> |
| 20 | |
| 21 | #include "SoftVorbis.h" |
| 22 | |
| 23 | #include <media/stagefright/foundation/ADebug.h> |
| 24 | #include <media/stagefright/MediaDefs.h> |
| 25 | |
| 26 | extern "C" { |
| 27 | #include <Tremolo/codec_internal.h> |
| 28 | |
| 29 | int _vorbis_unpack_books(vorbis_info *vi,oggpack_buffer *opb); |
| 30 | int _vorbis_unpack_info(vorbis_info *vi,oggpack_buffer *opb); |
| 31 | int _vorbis_unpack_comment(vorbis_comment *vc,oggpack_buffer *opb); |
| 32 | } |
| 33 | |
| 34 | namespace android { |
| 35 | |
| 36 | template<class T> |
| 37 | static void InitOMXParams(T *params) { |
| 38 | params->nSize = sizeof(T); |
| 39 | params->nVersion.s.nVersionMajor = 1; |
| 40 | params->nVersion.s.nVersionMinor = 0; |
| 41 | params->nVersion.s.nRevision = 0; |
| 42 | params->nVersion.s.nStep = 0; |
| 43 | } |
| 44 | |
| 45 | SoftVorbis::SoftVorbis( |
| 46 | const char *name, |
| 47 | const OMX_CALLBACKTYPE *callbacks, |
| 48 | OMX_PTR appData, |
| 49 | OMX_COMPONENTTYPE **component) |
| 50 | : SimpleSoftOMXComponent(name, callbacks, appData, component), |
| 51 | mInputBufferCount(0), |
| 52 | mState(NULL), |
| 53 | mVi(NULL), |
| 54 | mAnchorTimeUs(0), |
| 55 | mNumFramesOutput(0), |
| 56 | mNumFramesLeftOnPage(-1), |
| 57 | mOutputPortSettingsChange(NONE) { |
| 58 | initPorts(); |
| 59 | CHECK_EQ(initDecoder(), (status_t)OK); |
| 60 | } |
| 61 | |
| 62 | SoftVorbis::~SoftVorbis() { |
| 63 | if (mState != NULL) { |
| 64 | vorbis_dsp_clear(mState); |
| 65 | delete mState; |
| 66 | mState = NULL; |
| 67 | } |
| 68 | |
| 69 | if (mVi != NULL) { |
| 70 | vorbis_info_clear(mVi); |
| 71 | delete mVi; |
| 72 | mVi = NULL; |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | void SoftVorbis::initPorts() { |
| 77 | OMX_PARAM_PORTDEFINITIONTYPE def; |
| 78 | InitOMXParams(&def); |
| 79 | |
| 80 | def.nPortIndex = 0; |
| 81 | def.eDir = OMX_DirInput; |
| 82 | def.nBufferCountMin = kNumBuffers; |
| 83 | def.nBufferCountActual = def.nBufferCountMin; |
| 84 | def.nBufferSize = 8192; |
| 85 | def.bEnabled = OMX_TRUE; |
| 86 | def.bPopulated = OMX_FALSE; |
| 87 | def.eDomain = OMX_PortDomainAudio; |
| 88 | def.bBuffersContiguous = OMX_FALSE; |
| 89 | def.nBufferAlignment = 1; |
| 90 | |
| 91 | def.format.audio.cMIMEType = |
| 92 | const_cast<char *>(MEDIA_MIMETYPE_AUDIO_VORBIS); |
| 93 | |
| 94 | def.format.audio.pNativeRender = NULL; |
| 95 | def.format.audio.bFlagErrorConcealment = OMX_FALSE; |
| 96 | def.format.audio.eEncoding = OMX_AUDIO_CodingAAC; |
| 97 | |
| 98 | addPort(def); |
| 99 | |
| 100 | def.nPortIndex = 1; |
| 101 | def.eDir = OMX_DirOutput; |
| 102 | def.nBufferCountMin = kNumBuffers; |
| 103 | def.nBufferCountActual = def.nBufferCountMin; |
| 104 | def.nBufferSize = kMaxNumSamplesPerBuffer * sizeof(int16_t); |
| 105 | def.bEnabled = OMX_TRUE; |
| 106 | def.bPopulated = OMX_FALSE; |
| 107 | def.eDomain = OMX_PortDomainAudio; |
| 108 | def.bBuffersContiguous = OMX_FALSE; |
| 109 | def.nBufferAlignment = 2; |
| 110 | |
| 111 | def.format.audio.cMIMEType = const_cast<char *>("audio/raw"); |
| 112 | def.format.audio.pNativeRender = NULL; |
| 113 | def.format.audio.bFlagErrorConcealment = OMX_FALSE; |
| 114 | def.format.audio.eEncoding = OMX_AUDIO_CodingPCM; |
| 115 | |
| 116 | addPort(def); |
| 117 | } |
| 118 | |
| 119 | status_t SoftVorbis::initDecoder() { |
| 120 | return OK; |
| 121 | } |
| 122 | |
| 123 | OMX_ERRORTYPE SoftVorbis::internalGetParameter( |
| 124 | OMX_INDEXTYPE index, OMX_PTR params) { |
| 125 | switch (index) { |
| 126 | case OMX_IndexParamAudioVorbis: |
| 127 | { |
| 128 | OMX_AUDIO_PARAM_VORBISTYPE *vorbisParams = |
| 129 | (OMX_AUDIO_PARAM_VORBISTYPE *)params; |
| 130 | |
| 131 | if (vorbisParams->nPortIndex != 0) { |
| 132 | return OMX_ErrorUndefined; |
| 133 | } |
| 134 | |
| 135 | vorbisParams->nBitRate = 0; |
| 136 | vorbisParams->nMinBitRate = 0; |
| 137 | vorbisParams->nMaxBitRate = 0; |
| 138 | vorbisParams->nAudioBandWidth = 0; |
| 139 | vorbisParams->nQuality = 3; |
| 140 | vorbisParams->bManaged = OMX_FALSE; |
| 141 | vorbisParams->bDownmix = OMX_FALSE; |
| 142 | |
| 143 | if (!isConfigured()) { |
| 144 | vorbisParams->nChannels = 1; |
| 145 | vorbisParams->nSampleRate = 44100; |
| 146 | } else { |
| 147 | vorbisParams->nChannels = mVi->channels; |
| 148 | vorbisParams->nSampleRate = mVi->rate; |
| 149 | vorbisParams->nBitRate = mVi->bitrate_nominal; |
| 150 | vorbisParams->nMinBitRate = mVi->bitrate_lower; |
| 151 | vorbisParams->nMaxBitRate = mVi->bitrate_upper; |
| 152 | } |
| 153 | |
| 154 | return OMX_ErrorNone; |
| 155 | } |
| 156 | |
| 157 | case OMX_IndexParamAudioPcm: |
| 158 | { |
| 159 | OMX_AUDIO_PARAM_PCMMODETYPE *pcmParams = |
| 160 | (OMX_AUDIO_PARAM_PCMMODETYPE *)params; |
| 161 | |
| 162 | if (pcmParams->nPortIndex != 1) { |
| 163 | return OMX_ErrorUndefined; |
| 164 | } |
| 165 | |
| 166 | pcmParams->eNumData = OMX_NumericalDataSigned; |
| 167 | pcmParams->eEndian = OMX_EndianBig; |
| 168 | pcmParams->bInterleaved = OMX_TRUE; |
| 169 | pcmParams->nBitPerSample = 16; |
| 170 | pcmParams->ePCMMode = OMX_AUDIO_PCMModeLinear; |
| 171 | pcmParams->eChannelMapping[0] = OMX_AUDIO_ChannelLF; |
| 172 | pcmParams->eChannelMapping[1] = OMX_AUDIO_ChannelRF; |
| 173 | |
| 174 | if (!isConfigured()) { |
| 175 | pcmParams->nChannels = 1; |
| 176 | pcmParams->nSamplingRate = 44100; |
| 177 | } else { |
| 178 | pcmParams->nChannels = mVi->channels; |
| 179 | pcmParams->nSamplingRate = mVi->rate; |
| 180 | } |
| 181 | |
| 182 | return OMX_ErrorNone; |
| 183 | } |
| 184 | |
| 185 | default: |
| 186 | return SimpleSoftOMXComponent::internalGetParameter(index, params); |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | OMX_ERRORTYPE SoftVorbis::internalSetParameter( |
| 191 | OMX_INDEXTYPE index, const OMX_PTR params) { |
| 192 | switch (index) { |
| 193 | case OMX_IndexParamStandardComponentRole: |
| 194 | { |
| 195 | const OMX_PARAM_COMPONENTROLETYPE *roleParams = |
| 196 | (const OMX_PARAM_COMPONENTROLETYPE *)params; |
| 197 | |
| 198 | if (strncmp((const char *)roleParams->cRole, |
| 199 | "audio_decoder.vorbis", |
| 200 | OMX_MAX_STRINGNAME_SIZE - 1)) { |
| 201 | return OMX_ErrorUndefined; |
| 202 | } |
| 203 | |
| 204 | return OMX_ErrorNone; |
| 205 | } |
| 206 | |
| 207 | case OMX_IndexParamAudioVorbis: |
| 208 | { |
| 209 | const OMX_AUDIO_PARAM_VORBISTYPE *vorbisParams = |
| 210 | (const OMX_AUDIO_PARAM_VORBISTYPE *)params; |
| 211 | |
| 212 | if (vorbisParams->nPortIndex != 0) { |
| 213 | return OMX_ErrorUndefined; |
| 214 | } |
| 215 | |
| 216 | return OMX_ErrorNone; |
| 217 | } |
| 218 | |
| 219 | default: |
| 220 | return SimpleSoftOMXComponent::internalSetParameter(index, params); |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | bool SoftVorbis::isConfigured() const { |
| 225 | return mInputBufferCount >= 2; |
| 226 | } |
| 227 | |
| 228 | static void makeBitReader( |
| 229 | const void *data, size_t size, |
| 230 | ogg_buffer *buf, ogg_reference *ref, oggpack_buffer *bits) { |
| 231 | buf->data = (uint8_t *)data; |
| 232 | buf->size = size; |
| 233 | buf->refcount = 1; |
| 234 | buf->ptr.owner = NULL; |
| 235 | |
| 236 | ref->buffer = buf; |
| 237 | ref->begin = 0; |
| 238 | ref->length = size; |
| 239 | ref->next = NULL; |
| 240 | |
| 241 | oggpack_readinit(bits, ref); |
| 242 | } |
| 243 | |
| 244 | void SoftVorbis::onQueueFilled(OMX_U32 portIndex) { |
| 245 | List<BufferInfo *> &inQueue = getPortQueue(0); |
| 246 | List<BufferInfo *> &outQueue = getPortQueue(1); |
| 247 | |
| 248 | if (mOutputPortSettingsChange != NONE) { |
| 249 | return; |
| 250 | } |
| 251 | |
| 252 | if (portIndex == 0 && mInputBufferCount < 2) { |
| 253 | BufferInfo *info = *inQueue.begin(); |
| 254 | OMX_BUFFERHEADERTYPE *header = info->mHeader; |
| 255 | |
| 256 | const uint8_t *data = header->pBuffer + header->nOffset; |
| 257 | size_t size = header->nFilledLen; |
| 258 | |
| 259 | ogg_buffer buf; |
| 260 | ogg_reference ref; |
| 261 | oggpack_buffer bits; |
| 262 | |
| 263 | makeBitReader( |
| 264 | (const uint8_t *)data + 7, size - 7, |
| 265 | &buf, &ref, &bits); |
| 266 | |
| 267 | if (mInputBufferCount == 0) { |
| 268 | CHECK(mVi == NULL); |
| 269 | mVi = new vorbis_info; |
| 270 | vorbis_info_init(mVi); |
| 271 | |
| 272 | CHECK_EQ(0, _vorbis_unpack_info(mVi, &bits)); |
| 273 | } else { |
| 274 | CHECK_EQ(0, _vorbis_unpack_books(mVi, &bits)); |
| 275 | |
| 276 | CHECK(mState == NULL); |
| 277 | mState = new vorbis_dsp_state; |
| 278 | CHECK_EQ(0, vorbis_dsp_init(mState, mVi)); |
| 279 | |
| 280 | notify(OMX_EventPortSettingsChanged, 1, 0, NULL); |
| 281 | mOutputPortSettingsChange = AWAITING_DISABLED; |
| 282 | } |
| 283 | |
| 284 | inQueue.erase(inQueue.begin()); |
| 285 | info->mOwnedByUs = false; |
| 286 | notifyEmptyBufferDone(header); |
| 287 | |
| 288 | ++mInputBufferCount; |
| 289 | |
| 290 | return; |
| 291 | } |
| 292 | |
| 293 | while (!inQueue.empty() && !outQueue.empty()) { |
| 294 | BufferInfo *inInfo = *inQueue.begin(); |
| 295 | OMX_BUFFERHEADERTYPE *inHeader = inInfo->mHeader; |
| 296 | |
| 297 | BufferInfo *outInfo = *outQueue.begin(); |
| 298 | OMX_BUFFERHEADERTYPE *outHeader = outInfo->mHeader; |
| 299 | |
| 300 | if (inHeader->nFlags & OMX_BUFFERFLAG_EOS) { |
| 301 | inQueue.erase(inQueue.begin()); |
| 302 | inInfo->mOwnedByUs = false; |
| 303 | notifyEmptyBufferDone(inHeader); |
| 304 | |
| 305 | outHeader->nFilledLen = 0; |
| 306 | outHeader->nFlags = OMX_BUFFERFLAG_EOS; |
| 307 | |
| 308 | outQueue.erase(outQueue.begin()); |
| 309 | outInfo->mOwnedByUs = false; |
| 310 | notifyFillBufferDone(outHeader); |
| 311 | return; |
| 312 | } |
| 313 | |
| 314 | int32_t numPageSamples; |
| 315 | CHECK_GE(inHeader->nFilledLen, sizeof(numPageSamples)); |
| 316 | memcpy(&numPageSamples, |
| 317 | inHeader->pBuffer |
| 318 | + inHeader->nOffset + inHeader->nFilledLen - 4, |
| 319 | sizeof(numPageSamples)); |
| 320 | |
| 321 | if (numPageSamples >= 0) { |
| 322 | mNumFramesLeftOnPage = numPageSamples; |
| 323 | } |
| 324 | |
| 325 | if (inHeader->nOffset == 0) { |
| 326 | mAnchorTimeUs = inHeader->nTimeStamp; |
| 327 | mNumFramesOutput = 0; |
| 328 | } |
| 329 | |
| 330 | inHeader->nFilledLen -= sizeof(numPageSamples);; |
| 331 | |
| 332 | ogg_buffer buf; |
| 333 | buf.data = inHeader->pBuffer + inHeader->nOffset; |
| 334 | buf.size = inHeader->nFilledLen; |
| 335 | buf.refcount = 1; |
| 336 | buf.ptr.owner = NULL; |
| 337 | |
| 338 | ogg_reference ref; |
| 339 | ref.buffer = &buf; |
| 340 | ref.begin = 0; |
| 341 | ref.length = buf.size; |
| 342 | ref.next = NULL; |
| 343 | |
| 344 | ogg_packet pack; |
| 345 | pack.packet = &ref; |
| 346 | pack.bytes = ref.length; |
| 347 | pack.b_o_s = 0; |
| 348 | pack.e_o_s = 0; |
| 349 | pack.granulepos = 0; |
| 350 | pack.packetno = 0; |
| 351 | |
| 352 | int numFrames = 0; |
| 353 | |
| 354 | int err = vorbis_dsp_synthesis(mState, &pack, 1); |
| 355 | if (err != 0) { |
| 356 | LOGW("vorbis_dsp_synthesis returned %d", err); |
| 357 | } else { |
| 358 | numFrames = vorbis_dsp_pcmout( |
| 359 | mState, (int16_t *)outHeader->pBuffer, |
| 360 | kMaxNumSamplesPerBuffer); |
| 361 | |
| 362 | if (numFrames < 0) { |
| 363 | LOGE("vorbis_dsp_pcmout returned %d", numFrames); |
| 364 | numFrames = 0; |
| 365 | } |
| 366 | } |
| 367 | |
| 368 | if (mNumFramesLeftOnPage >= 0) { |
| 369 | if (numFrames > mNumFramesLeftOnPage) { |
| 370 | LOGV("discarding %d frames at end of page", |
| 371 | numFrames - mNumFramesLeftOnPage); |
| 372 | numFrames = mNumFramesLeftOnPage; |
| 373 | } |
| 374 | mNumFramesLeftOnPage -= numFrames; |
| 375 | } |
| 376 | |
| 377 | outHeader->nFilledLen = numFrames * sizeof(int16_t) * mVi->channels; |
| 378 | outHeader->nOffset = 0; |
| 379 | outHeader->nFlags = 0; |
| 380 | |
| 381 | outHeader->nTimeStamp = |
| 382 | mAnchorTimeUs |
| 383 | + (mNumFramesOutput * 1000000ll) / mVi->rate; |
| 384 | |
| 385 | mNumFramesOutput += numFrames; |
| 386 | |
| 387 | inInfo->mOwnedByUs = false; |
| 388 | inQueue.erase(inQueue.begin()); |
| 389 | inInfo = NULL; |
| 390 | notifyEmptyBufferDone(inHeader); |
| 391 | inHeader = NULL; |
| 392 | |
| 393 | outInfo->mOwnedByUs = false; |
| 394 | outQueue.erase(outQueue.begin()); |
| 395 | outInfo = NULL; |
| 396 | notifyFillBufferDone(outHeader); |
| 397 | outHeader = NULL; |
| 398 | |
| 399 | ++mInputBufferCount; |
| 400 | } |
| 401 | } |
| 402 | |
| 403 | void SoftVorbis::onPortFlushCompleted(OMX_U32 portIndex) { |
| 404 | if (portIndex == 0 && mState != NULL) { |
| 405 | // Make sure that the next buffer output does not still |
| 406 | // depend on fragments from the last one decoded. |
| 407 | |
| 408 | mNumFramesOutput = 0; |
| 409 | vorbis_dsp_restart(mState); |
| 410 | } |
| 411 | } |
| 412 | |
| 413 | void SoftVorbis::onPortEnableCompleted(OMX_U32 portIndex, bool enabled) { |
| 414 | if (portIndex != 1) { |
| 415 | return; |
| 416 | } |
| 417 | |
| 418 | switch (mOutputPortSettingsChange) { |
| 419 | case NONE: |
| 420 | break; |
| 421 | |
| 422 | case AWAITING_DISABLED: |
| 423 | { |
| 424 | CHECK(!enabled); |
| 425 | mOutputPortSettingsChange = AWAITING_ENABLED; |
| 426 | break; |
| 427 | } |
| 428 | |
| 429 | default: |
| 430 | { |
| 431 | CHECK_EQ((int)mOutputPortSettingsChange, (int)AWAITING_ENABLED); |
| 432 | CHECK(enabled); |
| 433 | mOutputPortSettingsChange = NONE; |
| 434 | break; |
| 435 | } |
| 436 | } |
| 437 | } |
| 438 | |
| 439 | } // namespace android |
| 440 | |
| 441 | android::SoftOMXComponent *createSoftOMXComponent( |
| 442 | const char *name, const OMX_CALLBACKTYPE *callbacks, |
| 443 | OMX_PTR appData, OMX_COMPONENTTYPE **component) { |
| 444 | return new android::SoftVorbis(name, callbacks, appData, component); |
| 445 | } |