1 /* 2 * Copyright (C) 2010 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 #ifndef A_CODEC_H_ 18 19 #define A_CODEC_H_ 20 21 #include <stdint.h> 22 #include <android/native_window.h> 23 #include <media/IOMX.h> 24 #include <media/stagefright/foundation/AHierarchicalStateMachine.h> 25 #include <media/stagefright/CodecBase.h> 26 #include <media/stagefright/SkipCutBuffer.h> 27 #include <OMX_Audio.h> 28 29 #define TRACK_BUFFER_TIMING 0 30 31 namespace android { 32 33 struct ABuffer; 34 struct MemoryDealer; 35 struct DescribeColorFormatParams; 36 37 struct ACodec : public AHierarchicalStateMachine, public CodecBase { 38 ACodec(); 39 40 virtual void setNotificationMessage(const sp<AMessage> &msg); 41 42 void initiateSetup(const sp<AMessage> &msg); 43 44 virtual void initiateAllocateComponent(const sp<AMessage> &msg); 45 virtual void initiateConfigureComponent(const sp<AMessage> &msg); 46 virtual void initiateCreateInputSurface(); 47 virtual void initiateStart(); 48 virtual void initiateShutdown(bool keepComponentAllocated = false); 49 50 virtual void signalFlush(); 51 virtual void signalResume(); 52 53 virtual void signalSetParameters(const sp<AMessage> &msg); 54 virtual void signalEndOfInputStream(); 55 virtual void signalRequestIDRFrame(); 56 57 // AHierarchicalStateMachine implements the message handling 58 virtual void onMessageReceived(const sp<AMessage> &msg) { 59 handleMessage(msg); 60 } 61 62 struct PortDescription : public CodecBase::PortDescription { 63 size_t countBuffers(); 64 IOMX::buffer_id bufferIDAt(size_t index) const; 65 sp<ABuffer> bufferAt(size_t index) const; 66 67 private: 68 friend struct ACodec; 69 70 Vector<IOMX::buffer_id> mBufferIDs; 71 Vector<sp<ABuffer> > mBuffers; 72 73 PortDescription(); 74 void addBuffer(IOMX::buffer_id id, const sp<ABuffer> &buffer); 75 76 DISALLOW_EVIL_CONSTRUCTORS(PortDescription); 77 }; 78 79 static bool isFlexibleColorFormat( 80 const sp<IOMX> &omx, IOMX::node_id node, 81 uint32_t colorFormat, OMX_U32 *flexibleEquivalent); 82 83 // Returns 0 if configuration is not supported. NOTE: this is treated by 84 // some OMX components as auto level, and by others as invalid level. 85 static int /* OMX_VIDEO_AVCLEVELTYPE */ getAVCLevelFor( 86 int width, int height, int rate, int bitrate, 87 OMX_VIDEO_AVCPROFILETYPE profile = OMX_VIDEO_AVCProfileBaseline); 88 89 protected: 90 virtual ~ACodec(); 91 92 private: 93 struct BaseState; 94 struct UninitializedState; 95 struct LoadedState; 96 struct LoadedToIdleState; 97 struct IdleToExecutingState; 98 struct ExecutingState; 99 struct OutputPortSettingsChangedState; 100 struct ExecutingToIdleState; 101 struct IdleToLoadedState; 102 struct FlushingState; 103 struct DeathNotifier; 104 105 enum { 106 kWhatSetup = 'setu', 107 kWhatOMXMessage = 'omx ', 108 kWhatInputBufferFilled = 'inpF', 109 kWhatOutputBufferDrained = 'outD', 110 kWhatShutdown = 'shut', 111 kWhatFlush = 'flus', 112 kWhatResume = 'resm', 113 kWhatDrainDeferredMessages = 'drai', 114 kWhatAllocateComponent = 'allo', 115 kWhatConfigureComponent = 'conf', 116 kWhatCreateInputSurface = 'cisf', 117 kWhatSignalEndOfInputStream = 'eois', 118 kWhatStart = 'star', 119 kWhatRequestIDRFrame = 'ridr', 120 kWhatSetParameters = 'setP', 121 kWhatSubmitOutputMetaDataBufferIfEOS = 'subm', 122 kWhatOMXDied = 'OMXd', 123 kWhatReleaseCodecInstance = 'relC', 124 }; 125 126 enum { 127 kPortIndexInput = 0, 128 kPortIndexOutput = 1 129 }; 130 131 enum { 132 kFlagIsSecure = 1, 133 kFlagPushBlankBuffersToNativeWindowOnShutdown = 2, 134 }; 135 136 struct BufferInfo { 137 enum Status { 138 OWNED_BY_US, 139 OWNED_BY_COMPONENT, 140 OWNED_BY_UPSTREAM, 141 OWNED_BY_DOWNSTREAM, 142 OWNED_BY_NATIVE_WINDOW, 143 }; 144 145 IOMX::buffer_id mBufferID; 146 Status mStatus; 147 unsigned mDequeuedAt; 148 149 sp<ABuffer> mData; 150 sp<GraphicBuffer> mGraphicBuffer; 151 }; 152 153 #if TRACK_BUFFER_TIMING 154 struct BufferStats { 155 int64_t mEmptyBufferTimeUs; 156 int64_t mFillBufferDoneTimeUs; 157 }; 158 159 KeyedVector<int64_t, BufferStats> mBufferStats; 160 #endif 161 162 sp<AMessage> mNotify; 163 164 sp<UninitializedState> mUninitializedState; 165 sp<LoadedState> mLoadedState; 166 sp<LoadedToIdleState> mLoadedToIdleState; 167 sp<IdleToExecutingState> mIdleToExecutingState; 168 sp<ExecutingState> mExecutingState; 169 sp<OutputPortSettingsChangedState> mOutputPortSettingsChangedState; 170 sp<ExecutingToIdleState> mExecutingToIdleState; 171 sp<IdleToLoadedState> mIdleToLoadedState; 172 sp<FlushingState> mFlushingState; 173 sp<SkipCutBuffer> mSkipCutBuffer; 174 175 AString mComponentName; 176 uint32_t mFlags; 177 uint32_t mQuirks; 178 sp<IOMX> mOMX; 179 IOMX::node_id mNode; 180 sp<MemoryDealer> mDealer[2]; 181 182 sp<ANativeWindow> mNativeWindow; 183 sp<AMessage> mInputFormat; 184 sp<AMessage> mOutputFormat; 185 186 Vector<BufferInfo> mBuffers[2]; 187 bool mPortEOS[2]; 188 status_t mInputEOSResult; 189 190 List<sp<AMessage> > mDeferredQueue; 191 192 bool mSentFormat; 193 bool mIsEncoder; 194 bool mUseMetadataOnEncoderOutput; 195 bool mShutdownInProgress; 196 bool mExplicitShutdown; 197 198 // If "mKeepComponentAllocated" we only transition back to Loaded state 199 // and do not release the component instance. 200 bool mKeepComponentAllocated; 201 202 int32_t mEncoderDelay; 203 int32_t mEncoderPadding; 204 int32_t mRotationDegrees; 205 206 bool mChannelMaskPresent; 207 int32_t mChannelMask; 208 unsigned mDequeueCounter; 209 bool mStoreMetaDataInOutputBuffers; 210 int32_t mMetaDataBuffersToSubmit; 211 size_t mNumUndequeuedBuffers; 212 213 int64_t mRepeatFrameDelayUs; 214 int64_t mMaxPtsGapUs; 215 216 int64_t mTimePerFrameUs; 217 int64_t mTimePerCaptureUs; 218 219 bool mCreateInputBuffersSuspended; 220 221 bool mTunneled; 222 223 status_t setCyclicIntraMacroblockRefresh(const sp<AMessage> &msg, int32_t mode); 224 status_t allocateBuffersOnPort(OMX_U32 portIndex); 225 status_t freeBuffersOnPort(OMX_U32 portIndex); 226 status_t freeBuffer(OMX_U32 portIndex, size_t i); 227 228 status_t configureOutputBuffersFromNativeWindow( 229 OMX_U32 *nBufferCount, OMX_U32 *nBufferSize, 230 OMX_U32 *nMinUndequeuedBuffers); 231 status_t allocateOutputMetaDataBuffers(); 232 status_t submitOutputMetaDataBuffer(); 233 void signalSubmitOutputMetaDataBufferIfEOS_workaround(); 234 status_t allocateOutputBuffersFromNativeWindow(); 235 status_t cancelBufferToNativeWindow(BufferInfo *info); 236 status_t freeOutputBuffersNotOwnedByComponent(); 237 BufferInfo *dequeueBufferFromNativeWindow(); 238 239 BufferInfo *findBufferByID( 240 uint32_t portIndex, IOMX::buffer_id bufferID, 241 ssize_t *index = NULL); 242 243 status_t setComponentRole(bool isEncoder, const char *mime); 244 status_t configureCodec(const char *mime, const sp<AMessage> &msg); 245 246 status_t configureTunneledVideoPlayback(int32_t audioHwSync, 247 const sp<ANativeWindow> &nativeWindow); 248 249 status_t setVideoPortFormatType( 250 OMX_U32 portIndex, 251 OMX_VIDEO_CODINGTYPE compressionFormat, 252 OMX_COLOR_FORMATTYPE colorFormat); 253 254 status_t setSupportedOutputFormat(); 255 256 status_t setupVideoDecoder( 257 const char *mime, const sp<AMessage> &msg); 258 259 status_t setupVideoEncoder( 260 const char *mime, const sp<AMessage> &msg); 261 262 status_t setVideoFormatOnPort( 263 OMX_U32 portIndex, 264 int32_t width, int32_t height, 265 OMX_VIDEO_CODINGTYPE compressionFormat); 266 267 typedef struct drcParams { 268 int32_t drcCut; 269 int32_t drcBoost; 270 int32_t heavyCompression; 271 int32_t targetRefLevel; 272 int32_t encodedTargetLevel; 273 } drcParams_t; 274 275 status_t setupAACCodec( 276 bool encoder, 277 int32_t numChannels, int32_t sampleRate, int32_t bitRate, 278 int32_t aacProfile, bool isADTS, int32_t sbrMode, 279 int32_t maxOutputChannelCount, const drcParams_t& drc, 280 int32_t pcmLimiterEnable); 281 282 status_t setupAC3Codec(bool encoder, int32_t numChannels, int32_t sampleRate); 283 284 status_t selectAudioPortFormat( 285 OMX_U32 portIndex, OMX_AUDIO_CODINGTYPE desiredFormat); 286 287 status_t setupAMRCodec(bool encoder, bool isWAMR, int32_t bitRate); 288 status_t setupG711Codec(bool encoder, int32_t numChannels); 289 290 status_t setupFlacCodec( 291 bool encoder, int32_t numChannels, int32_t sampleRate, int32_t compressionLevel); 292 293 status_t setupRawAudioFormat( 294 OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels); 295 296 status_t setMinBufferSize(OMX_U32 portIndex, size_t size); 297 298 status_t setupMPEG4EncoderParameters(const sp<AMessage> &msg); 299 status_t setupH263EncoderParameters(const sp<AMessage> &msg); 300 status_t setupAVCEncoderParameters(const sp<AMessage> &msg); 301 status_t setupHEVCEncoderParameters(const sp<AMessage> &msg); 302 status_t setupVPXEncoderParameters(const sp<AMessage> &msg); 303 304 status_t verifySupportForProfileAndLevel(int32_t profile, int32_t level); 305 306 status_t configureBitrate( 307 int32_t bitrate, OMX_VIDEO_CONTROLRATETYPE bitrateMode); 308 309 status_t setupErrorCorrectionParameters(); 310 311 status_t initNativeWindow(); 312 313 status_t pushBlankBuffersToNativeWindow(); 314 315 // Returns true iff all buffers on the given port have status 316 // OWNED_BY_US or OWNED_BY_NATIVE_WINDOW. 317 bool allYourBuffersAreBelongToUs(OMX_U32 portIndex); 318 319 bool allYourBuffersAreBelongToUs(); 320 321 void waitUntilAllPossibleNativeWindowBuffersAreReturnedToUs(); 322 323 size_t countBuffersOwnedByComponent(OMX_U32 portIndex) const; 324 size_t countBuffersOwnedByNativeWindow() const; 325 326 void deferMessage(const sp<AMessage> &msg); 327 void processDeferredMessages(); 328 329 void sendFormatChange(const sp<AMessage> &reply); 330 status_t getPortFormat(OMX_U32 portIndex, sp<AMessage> ¬ify); 331 332 void signalError( 333 OMX_ERRORTYPE error = OMX_ErrorUndefined, 334 status_t internalError = UNKNOWN_ERROR); 335 336 static bool describeDefaultColorFormat(DescribeColorFormatParams &describeParams); 337 static bool describeColorFormat( 338 const sp<IOMX> &omx, IOMX::node_id node, 339 DescribeColorFormatParams &describeParams); 340 341 status_t requestIDRFrame(); 342 status_t setParameters(const sp<AMessage> ¶ms); 343 344 // Send EOS on input stream. 345 void onSignalEndOfInputStream(); 346 347 DISALLOW_EVIL_CONSTRUCTORS(ACodec); 348 }; 349 350 } // namespace android 351 352 #endif // A_CODEC_H_ 353
