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 "SoftVPX" 19 #include <utils/Log.h> 20 21 #include "SoftVPX.h" 22 23 #include <media/stagefright/foundation/ADebug.h> 24 #include <media/stagefright/MediaDefs.h> 25 26 #include "vpx/vpx_decoder.h" 27 #include "vpx/vpx_codec.h" 28 #include "vpx/vp8dx.h" 29 30 namespace android { 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 SoftVPX::SoftVPX( 42 const char *name, 43 const OMX_CALLBACKTYPE *callbacks, 44 OMX_PTR appData, 45 OMX_COMPONENTTYPE **component) 46 : SimpleSoftOMXComponent(name, callbacks, appData, component), 47 mCtx(NULL), 48 mWidth(320), 49 mHeight(240), 50 mOutputPortSettingsChange(NONE) { 51 initPorts(); 52 CHECK_EQ(initDecoder(), (status_t)OK); 53 } 54 55 SoftVPX::~SoftVPX() { 56 vpx_codec_destroy((vpx_codec_ctx_t *)mCtx); 57 delete (vpx_codec_ctx_t *)mCtx; 58 mCtx = NULL; 59 } 60 61 void SoftVPX::initPorts() { 62 OMX_PARAM_PORTDEFINITIONTYPE def; 63 InitOMXParams(&def); 64 65 def.nPortIndex = 0; 66 def.eDir = OMX_DirInput; 67 def.nBufferCountMin = kNumBuffers; 68 def.nBufferCountActual = def.nBufferCountMin; 69 def.nBufferSize = 768 * 1024; 70 def.bEnabled = OMX_TRUE; 71 def.bPopulated = OMX_FALSE; 72 def.eDomain = OMX_PortDomainVideo; 73 def.bBuffersContiguous = OMX_FALSE; 74 def.nBufferAlignment = 1; 75 76 def.format.video.cMIMEType = const_cast<char *>(MEDIA_MIMETYPE_VIDEO_VPX); 77 def.format.video.pNativeRender = NULL; 78 def.format.video.nFrameWidth = mWidth; 79 def.format.video.nFrameHeight = mHeight; 80 def.format.video.nStride = def.format.video.nFrameWidth; 81 def.format.video.nSliceHeight = def.format.video.nFrameHeight; 82 def.format.video.nBitrate = 0; 83 def.format.video.xFramerate = 0; 84 def.format.video.bFlagErrorConcealment = OMX_FALSE; 85 def.format.video.eCompressionFormat = OMX_VIDEO_CodingVPX; 86 def.format.video.eColorFormat = OMX_COLOR_FormatUnused; 87 def.format.video.pNativeWindow = NULL; 88 89 addPort(def); 90 91 def.nPortIndex = 1; 92 def.eDir = OMX_DirOutput; 93 def.nBufferCountMin = kNumBuffers; 94 def.nBufferCountActual = def.nBufferCountMin; 95 def.bEnabled = OMX_TRUE; 96 def.bPopulated = OMX_FALSE; 97 def.eDomain = OMX_PortDomainVideo; 98 def.bBuffersContiguous = OMX_FALSE; 99 def.nBufferAlignment = 2; 100 101 def.format.video.cMIMEType = const_cast<char *>(MEDIA_MIMETYPE_VIDEO_RAW); 102 def.format.video.pNativeRender = NULL; 103 def.format.video.nFrameWidth = mWidth; 104 def.format.video.nFrameHeight = mHeight; 105 def.format.video.nStride = def.format.video.nFrameWidth; 106 def.format.video.nSliceHeight = def.format.video.nFrameHeight; 107 def.format.video.nBitrate = 0; 108 def.format.video.xFramerate = 0; 109 def.format.video.bFlagErrorConcealment = OMX_FALSE; 110 def.format.video.eCompressionFormat = OMX_VIDEO_CodingUnused; 111 def.format.video.eColorFormat = OMX_COLOR_FormatYUV420Planar; 112 def.format.video.pNativeWindow = NULL; 113 114 def.nBufferSize = 115 (def.format.video.nFrameWidth * def.format.video.nFrameHeight * 3) / 2; 116 117 addPort(def); 118 } 119 120 static int GetCPUCoreCount() { 121 int cpuCoreCount = 1; 122 #if defined(_SC_NPROCESSORS_ONLN) 123 cpuCoreCount = sysconf(_SC_NPROCESSORS_ONLN); 124 #else 125 // _SC_NPROC_ONLN must be defined... 126 cpuCoreCount = sysconf(_SC_NPROC_ONLN); 127 #endif 128 CHECK(cpuCoreCount >= 1); 129 ALOGV("Number of CPU cores: %d", cpuCoreCount); 130 return cpuCoreCount; 131 } 132 133 status_t SoftVPX::initDecoder() { 134 mCtx = new vpx_codec_ctx_t; 135 vpx_codec_err_t vpx_err; 136 vpx_codec_dec_cfg_t cfg; 137 memset(&cfg, 0, sizeof(vpx_codec_dec_cfg_t)); 138 cfg.threads = GetCPUCoreCount(); 139 if ((vpx_err = vpx_codec_dec_init( 140 (vpx_codec_ctx_t *)mCtx, &vpx_codec_vp8_dx_algo, &cfg, 0))) { 141 ALOGE("on2 decoder failed to initialize. (%d)", vpx_err); 142 return UNKNOWN_ERROR; 143 } 144 145 return OK; 146 } 147 148 OMX_ERRORTYPE SoftVPX::internalGetParameter( 149 OMX_INDEXTYPE index, OMX_PTR params) { 150 switch (index) { 151 case OMX_IndexParamVideoPortFormat: 152 { 153 OMX_VIDEO_PARAM_PORTFORMATTYPE *formatParams = 154 (OMX_VIDEO_PARAM_PORTFORMATTYPE *)params; 155 156 if (formatParams->nPortIndex > 1) { 157 return OMX_ErrorUndefined; 158 } 159 160 if (formatParams->nIndex != 0) { 161 return OMX_ErrorNoMore; 162 } 163 164 if (formatParams->nPortIndex == 0) { 165 formatParams->eCompressionFormat = OMX_VIDEO_CodingVPX; 166 formatParams->eColorFormat = OMX_COLOR_FormatUnused; 167 formatParams->xFramerate = 0; 168 } else { 169 CHECK_EQ(formatParams->nPortIndex, 1u); 170 171 formatParams->eCompressionFormat = OMX_VIDEO_CodingUnused; 172 formatParams->eColorFormat = OMX_COLOR_FormatYUV420Planar; 173 formatParams->xFramerate = 0; 174 } 175 176 return OMX_ErrorNone; 177 } 178 179 default: 180 return SimpleSoftOMXComponent::internalGetParameter(index, params); 181 } 182 } 183 184 OMX_ERRORTYPE SoftVPX::internalSetParameter( 185 OMX_INDEXTYPE index, const OMX_PTR params) { 186 switch (index) { 187 case OMX_IndexParamStandardComponentRole: 188 { 189 const OMX_PARAM_COMPONENTROLETYPE *roleParams = 190 (const OMX_PARAM_COMPONENTROLETYPE *)params; 191 192 if (strncmp((const char *)roleParams->cRole, 193 "video_decoder.vpx", 194 OMX_MAX_STRINGNAME_SIZE - 1)) { 195 return OMX_ErrorUndefined; 196 } 197 198 return OMX_ErrorNone; 199 } 200 201 case OMX_IndexParamVideoPortFormat: 202 { 203 OMX_VIDEO_PARAM_PORTFORMATTYPE *formatParams = 204 (OMX_VIDEO_PARAM_PORTFORMATTYPE *)params; 205 206 if (formatParams->nPortIndex > 1) { 207 return OMX_ErrorUndefined; 208 } 209 210 if (formatParams->nIndex != 0) { 211 return OMX_ErrorNoMore; 212 } 213 214 return OMX_ErrorNone; 215 } 216 217 default: 218 return SimpleSoftOMXComponent::internalSetParameter(index, params); 219 } 220 } 221 222 void SoftVPX::onQueueFilled(OMX_U32 portIndex) { 223 if (mOutputPortSettingsChange != NONE) { 224 return; 225 } 226 227 List<BufferInfo *> &inQueue = getPortQueue(0); 228 List<BufferInfo *> &outQueue = getPortQueue(1); 229 230 while (!inQueue.empty() && !outQueue.empty()) { 231 BufferInfo *inInfo = *inQueue.begin(); 232 OMX_BUFFERHEADERTYPE *inHeader = inInfo->mHeader; 233 234 BufferInfo *outInfo = *outQueue.begin(); 235 OMX_BUFFERHEADERTYPE *outHeader = outInfo->mHeader; 236 237 if (inHeader->nFlags & OMX_BUFFERFLAG_EOS) { 238 inQueue.erase(inQueue.begin()); 239 inInfo->mOwnedByUs = false; 240 notifyEmptyBufferDone(inHeader); 241 242 outHeader->nFilledLen = 0; 243 outHeader->nFlags = OMX_BUFFERFLAG_EOS; 244 245 outQueue.erase(outQueue.begin()); 246 outInfo->mOwnedByUs = false; 247 notifyFillBufferDone(outHeader); 248 return; 249 } 250 251 if (vpx_codec_decode( 252 (vpx_codec_ctx_t *)mCtx, 253 inHeader->pBuffer + inHeader->nOffset, 254 inHeader->nFilledLen, 255 NULL, 256 0)) { 257 ALOGE("on2 decoder failed to decode frame."); 258 259 notify(OMX_EventError, OMX_ErrorUndefined, 0, NULL); 260 return; 261 } 262 263 vpx_codec_iter_t iter = NULL; 264 vpx_image_t *img = vpx_codec_get_frame((vpx_codec_ctx_t *)mCtx, &iter); 265 266 if (img != NULL) { 267 CHECK_EQ(img->fmt, IMG_FMT_I420); 268 269 int32_t width = img->d_w; 270 int32_t height = img->d_h; 271 272 if (width != mWidth || height != mHeight) { 273 mWidth = width; 274 mHeight = height; 275 276 updatePortDefinitions(); 277 278 notify(OMX_EventPortSettingsChanged, 1, 0, NULL); 279 mOutputPortSettingsChange = AWAITING_DISABLED; 280 return; 281 } 282 283 outHeader->nOffset = 0; 284 outHeader->nFilledLen = (width * height * 3) / 2; 285 outHeader->nFlags = 0; 286 outHeader->nTimeStamp = inHeader->nTimeStamp; 287 288 const uint8_t *srcLine = (const uint8_t *)img->planes[PLANE_Y]; 289 uint8_t *dst = outHeader->pBuffer; 290 for (size_t i = 0; i < img->d_h; ++i) { 291 memcpy(dst, srcLine, img->d_w); 292 293 srcLine += img->stride[PLANE_Y]; 294 dst += img->d_w; 295 } 296 297 srcLine = (const uint8_t *)img->planes[PLANE_U]; 298 for (size_t i = 0; i < img->d_h / 2; ++i) { 299 memcpy(dst, srcLine, img->d_w / 2); 300 301 srcLine += img->stride[PLANE_U]; 302 dst += img->d_w / 2; 303 } 304 305 srcLine = (const uint8_t *)img->planes[PLANE_V]; 306 for (size_t i = 0; i < img->d_h / 2; ++i) { 307 memcpy(dst, srcLine, img->d_w / 2); 308 309 srcLine += img->stride[PLANE_V]; 310 dst += img->d_w / 2; 311 } 312 313 outInfo->mOwnedByUs = false; 314 outQueue.erase(outQueue.begin()); 315 outInfo = NULL; 316 notifyFillBufferDone(outHeader); 317 outHeader = NULL; 318 } 319 320 inInfo->mOwnedByUs = false; 321 inQueue.erase(inQueue.begin()); 322 inInfo = NULL; 323 notifyEmptyBufferDone(inHeader); 324 inHeader = NULL; 325 } 326 } 327 328 void SoftVPX::onPortFlushCompleted(OMX_U32 portIndex) { 329 } 330 331 void SoftVPX::onPortEnableCompleted(OMX_U32 portIndex, bool enabled) { 332 if (portIndex != 1) { 333 return; 334 } 335 336 switch (mOutputPortSettingsChange) { 337 case NONE: 338 break; 339 340 case AWAITING_DISABLED: 341 { 342 CHECK(!enabled); 343 mOutputPortSettingsChange = AWAITING_ENABLED; 344 break; 345 } 346 347 default: 348 { 349 CHECK_EQ((int)mOutputPortSettingsChange, (int)AWAITING_ENABLED); 350 CHECK(enabled); 351 mOutputPortSettingsChange = NONE; 352 break; 353 } 354 } 355 } 356 357 void SoftVPX::updatePortDefinitions() { 358 OMX_PARAM_PORTDEFINITIONTYPE *def = &editPortInfo(0)->mDef; 359 def->format.video.nFrameWidth = mWidth; 360 def->format.video.nFrameHeight = mHeight; 361 def->format.video.nStride = def->format.video.nFrameWidth; 362 def->format.video.nSliceHeight = def->format.video.nFrameHeight; 363 364 def = &editPortInfo(1)->mDef; 365 def->format.video.nFrameWidth = mWidth; 366 def->format.video.nFrameHeight = mHeight; 367 def->format.video.nStride = def->format.video.nFrameWidth; 368 def->format.video.nSliceHeight = def->format.video.nFrameHeight; 369 370 def->nBufferSize = 371 (def->format.video.nFrameWidth 372 * def->format.video.nFrameHeight * 3) / 2; 373 } 374 375 } // namespace android 376 377 android::SoftOMXComponent *createSoftOMXComponent( 378 const char *name, const OMX_CALLBACKTYPE *callbacks, 379 OMX_PTR appData, OMX_COMPONENTTYPE **component) { 380 return new android::SoftVPX(name, callbacks, appData, component); 381 } 382 383
