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/SkipCutBuffer.h> 26 #include <OMX_Audio.h> 27 28 #define TRACK_BUFFER_TIMING 0 29 30 namespace android { 31 32 struct ABuffer; 33 struct MemoryDealer; 34 35 struct ACodec : public AHierarchicalStateMachine { 36 enum { 37 kWhatFillThisBuffer = 'fill', 38 kWhatDrainThisBuffer = 'drai', 39 kWhatEOS = 'eos ', 40 kWhatShutdownCompleted = 'scom', 41 kWhatFlushCompleted = 'fcom', 42 kWhatOutputFormatChanged = 'outC', 43 kWhatError = 'erro', 44 kWhatComponentAllocated = 'cAll', 45 kWhatComponentConfigured = 'cCon', 46 kWhatInputSurfaceCreated = 'isfc', 47 kWhatSignaledInputEOS = 'seos', 48 kWhatBuffersAllocated = 'allc', 49 kWhatOMXDied = 'OMXd', 50 }; 51 52 ACodec(); 53 54 void setNotificationMessage(const sp<AMessage> &msg); 55 void initiateSetup(const sp<AMessage> &msg); 56 void signalFlush(); 57 void signalResume(); 58 void initiateShutdown(bool keepComponentAllocated = false); 59 60 void signalSetParameters(const sp<AMessage> &msg); 61 void signalEndOfInputStream(); 62 63 void initiateAllocateComponent(const sp<AMessage> &msg); 64 void initiateConfigureComponent(const sp<AMessage> &msg); 65 void initiateCreateInputSurface(); 66 void initiateStart(); 67 68 void signalRequestIDRFrame(); 69 70 bool isConfiguredForAdaptivePlayback() { return mIsConfiguredForAdaptivePlayback; } 71 72 struct PortDescription : public RefBase { 73 size_t countBuffers(); 74 IOMX::buffer_id bufferIDAt(size_t index) const; 75 sp<ABuffer> bufferAt(size_t index) const; 76 77 private: 78 friend struct ACodec; 79 80 Vector<IOMX::buffer_id> mBufferIDs; 81 Vector<sp<ABuffer> > mBuffers; 82 83 PortDescription(); 84 void addBuffer(IOMX::buffer_id id, const sp<ABuffer> &buffer); 85 86 DISALLOW_EVIL_CONSTRUCTORS(PortDescription); 87 }; 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 }; 123 124 enum { 125 kPortIndexInput = 0, 126 kPortIndexOutput = 1 127 }; 128 129 enum { 130 kFlagIsSecure = 1, 131 kFlagPushBlankBuffersToNativeWindowOnShutdown = 2, 132 }; 133 134 struct BufferInfo { 135 enum Status { 136 OWNED_BY_US, 137 OWNED_BY_COMPONENT, 138 OWNED_BY_UPSTREAM, 139 OWNED_BY_DOWNSTREAM, 140 OWNED_BY_NATIVE_WINDOW, 141 }; 142 143 IOMX::buffer_id mBufferID; 144 Status mStatus; 145 unsigned mDequeuedAt; 146 147 sp<ABuffer> mData; 148 sp<GraphicBuffer> mGraphicBuffer; 149 }; 150 151 #if TRACK_BUFFER_TIMING 152 struct BufferStats { 153 int64_t mEmptyBufferTimeUs; 154 int64_t mFillBufferDoneTimeUs; 155 }; 156 157 KeyedVector<int64_t, BufferStats> mBufferStats; 158 #endif 159 160 sp<AMessage> mNotify; 161 162 sp<UninitializedState> mUninitializedState; 163 sp<LoadedState> mLoadedState; 164 sp<LoadedToIdleState> mLoadedToIdleState; 165 sp<IdleToExecutingState> mIdleToExecutingState; 166 sp<ExecutingState> mExecutingState; 167 sp<OutputPortSettingsChangedState> mOutputPortSettingsChangedState; 168 sp<ExecutingToIdleState> mExecutingToIdleState; 169 sp<IdleToLoadedState> mIdleToLoadedState; 170 sp<FlushingState> mFlushingState; 171 sp<SkipCutBuffer> mSkipCutBuffer; 172 173 AString mComponentName; 174 uint32_t mFlags; 175 uint32_t mQuirks; 176 sp<IOMX> mOMX; 177 IOMX::node_id mNode; 178 sp<MemoryDealer> mDealer[2]; 179 180 sp<ANativeWindow> mNativeWindow; 181 182 Vector<BufferInfo> mBuffers[2]; 183 bool mPortEOS[2]; 184 status_t mInputEOSResult; 185 186 List<sp<AMessage> > mDeferredQueue; 187 188 bool mSentFormat; 189 bool mIsEncoder; 190 bool mUseMetadataOnEncoderOutput; 191 bool mShutdownInProgress; 192 bool mIsConfiguredForAdaptivePlayback; 193 194 // If "mKeepComponentAllocated" we only transition back to Loaded state 195 // and do not release the component instance. 196 bool mKeepComponentAllocated; 197 198 int32_t mEncoderDelay; 199 int32_t mEncoderPadding; 200 201 bool mChannelMaskPresent; 202 int32_t mChannelMask; 203 unsigned mDequeueCounter; 204 bool mStoreMetaDataInOutputBuffers; 205 int32_t mMetaDataBuffersToSubmit; 206 207 int64_t mRepeatFrameDelayUs; 208 int64_t mMaxPtsGapUs; 209 210 status_t setCyclicIntraMacroblockRefresh(const sp<AMessage> &msg, int32_t mode); 211 status_t allocateBuffersOnPort(OMX_U32 portIndex); 212 status_t freeBuffersOnPort(OMX_U32 portIndex); 213 status_t freeBuffer(OMX_U32 portIndex, size_t i); 214 215 status_t configureOutputBuffersFromNativeWindow( 216 OMX_U32 *nBufferCount, OMX_U32 *nBufferSize, 217 OMX_U32 *nMinUndequeuedBuffers); 218 status_t allocateOutputMetaDataBuffers(); 219 status_t submitOutputMetaDataBuffer(); 220 void signalSubmitOutputMetaDataBufferIfEOS_workaround(); 221 status_t allocateOutputBuffersFromNativeWindow(); 222 status_t cancelBufferToNativeWindow(BufferInfo *info); 223 status_t freeOutputBuffersNotOwnedByComponent(); 224 BufferInfo *dequeueBufferFromNativeWindow(); 225 226 BufferInfo *findBufferByID( 227 uint32_t portIndex, IOMX::buffer_id bufferID, 228 ssize_t *index = NULL); 229 230 status_t setComponentRole(bool isEncoder, const char *mime); 231 status_t configureCodec(const char *mime, const sp<AMessage> &msg); 232 233 status_t setVideoPortFormatType( 234 OMX_U32 portIndex, 235 OMX_VIDEO_CODINGTYPE compressionFormat, 236 OMX_COLOR_FORMATTYPE colorFormat); 237 238 status_t setSupportedOutputFormat(); 239 240 status_t setupVideoDecoder( 241 const char *mime, int32_t width, int32_t height); 242 243 status_t setupVideoEncoder( 244 const char *mime, const sp<AMessage> &msg); 245 246 status_t setVideoFormatOnPort( 247 OMX_U32 portIndex, 248 int32_t width, int32_t height, 249 OMX_VIDEO_CODINGTYPE compressionFormat); 250 251 status_t setupAACCodec( 252 bool encoder, 253 int32_t numChannels, int32_t sampleRate, int32_t bitRate, 254 int32_t aacProfile, bool isADTS); 255 256 status_t selectAudioPortFormat( 257 OMX_U32 portIndex, OMX_AUDIO_CODINGTYPE desiredFormat); 258 259 status_t setupAMRCodec(bool encoder, bool isWAMR, int32_t bitRate); 260 status_t setupG711Codec(bool encoder, int32_t numChannels); 261 262 status_t setupFlacCodec( 263 bool encoder, int32_t numChannels, int32_t sampleRate, int32_t compressionLevel); 264 265 status_t setupRawAudioFormat( 266 OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels); 267 268 status_t setMinBufferSize(OMX_U32 portIndex, size_t size); 269 270 status_t setupMPEG4EncoderParameters(const sp<AMessage> &msg); 271 status_t setupH263EncoderParameters(const sp<AMessage> &msg); 272 status_t setupAVCEncoderParameters(const sp<AMessage> &msg); 273 status_t setupVPXEncoderParameters(const sp<AMessage> &msg); 274 275 status_t verifySupportForProfileAndLevel(int32_t profile, int32_t level); 276 277 status_t configureBitrate( 278 int32_t bitrate, OMX_VIDEO_CONTROLRATETYPE bitrateMode); 279 280 status_t setupErrorCorrectionParameters(); 281 282 status_t initNativeWindow(); 283 284 status_t pushBlankBuffersToNativeWindow(); 285 286 // Returns true iff all buffers on the given port have status 287 // OWNED_BY_US or OWNED_BY_NATIVE_WINDOW. 288 bool allYourBuffersAreBelongToUs(OMX_U32 portIndex); 289 290 bool allYourBuffersAreBelongToUs(); 291 292 void waitUntilAllPossibleNativeWindowBuffersAreReturnedToUs(); 293 294 size_t countBuffersOwnedByComponent(OMX_U32 portIndex) const; 295 size_t countBuffersOwnedByNativeWindow() const; 296 297 void deferMessage(const sp<AMessage> &msg); 298 void processDeferredMessages(); 299 300 void sendFormatChange(const sp<AMessage> &reply); 301 302 void signalError( 303 OMX_ERRORTYPE error = OMX_ErrorUndefined, 304 status_t internalError = UNKNOWN_ERROR); 305 306 status_t requestIDRFrame(); 307 status_t setParameters(const sp<AMessage> ¶ms); 308 309 // Send EOS on input stream. 310 void onSignalEndOfInputStream(); 311 312 DISALLOW_EVIL_CONSTRUCTORS(ACodec); 313 }; 314 315 } // namespace android 316 317 #endif // A_CODEC_H_ 318