ACodec.h revision 4e865a3cfe4c955e0890321a6b488cf661808b63
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 31namespace android { 32 33struct ABuffer; 34struct MemoryDealer; 35struct DescribeColorFormatParams; 36 37struct 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 89protected: 90 virtual ~ACodec(); 91 92private: 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 sp<AMessage> mBaseOutputFormat; 186 187 Vector<BufferInfo> mBuffers[2]; 188 bool mPortEOS[2]; 189 status_t mInputEOSResult; 190 191 List<sp<AMessage> > mDeferredQueue; 192 193 bool mSentFormat; 194 bool mIsEncoder; 195 bool mUseMetadataOnEncoderOutput; 196 bool mShutdownInProgress; 197 bool mExplicitShutdown; 198 199 // If "mKeepComponentAllocated" we only transition back to Loaded state 200 // and do not release the component instance. 201 bool mKeepComponentAllocated; 202 203 int32_t mEncoderDelay; 204 int32_t mEncoderPadding; 205 int32_t mRotationDegrees; 206 207 bool mChannelMaskPresent; 208 int32_t mChannelMask; 209 unsigned mDequeueCounter; 210 bool mStoreMetaDataInOutputBuffers; 211 int32_t mMetaDataBuffersToSubmit; 212 size_t mNumUndequeuedBuffers; 213 214 int64_t mRepeatFrameDelayUs; 215 int64_t mMaxPtsGapUs; 216 217 int64_t mTimePerFrameUs; 218 int64_t mTimePerCaptureUs; 219 220 bool mCreateInputBuffersSuspended; 221 222 bool mTunneled; 223 224 status_t setCyclicIntraMacroblockRefresh(const sp<AMessage> &msg, int32_t mode); 225 status_t allocateBuffersOnPort(OMX_U32 portIndex); 226 status_t freeBuffersOnPort(OMX_U32 portIndex); 227 status_t freeBuffer(OMX_U32 portIndex, size_t i); 228 229 status_t configureOutputBuffersFromNativeWindow( 230 OMX_U32 *nBufferCount, OMX_U32 *nBufferSize, 231 OMX_U32 *nMinUndequeuedBuffers); 232 status_t allocateOutputMetaDataBuffers(); 233 status_t submitOutputMetaDataBuffer(); 234 void signalSubmitOutputMetaDataBufferIfEOS_workaround(); 235 status_t allocateOutputBuffersFromNativeWindow(); 236 status_t cancelBufferToNativeWindow(BufferInfo *info); 237 status_t freeOutputBuffersNotOwnedByComponent(); 238 BufferInfo *dequeueBufferFromNativeWindow(); 239 240 BufferInfo *findBufferByID( 241 uint32_t portIndex, IOMX::buffer_id bufferID, 242 ssize_t *index = NULL); 243 244 status_t setComponentRole(bool isEncoder, const char *mime); 245 status_t configureCodec(const char *mime, const sp<AMessage> &msg); 246 247 status_t configureTunneledVideoPlayback(int32_t audioHwSync, 248 const sp<ANativeWindow> &nativeWindow); 249 250 status_t setVideoPortFormatType( 251 OMX_U32 portIndex, 252 OMX_VIDEO_CODINGTYPE compressionFormat, 253 OMX_COLOR_FORMATTYPE colorFormat); 254 255 status_t setSupportedOutputFormat(); 256 257 status_t setupVideoDecoder( 258 const char *mime, const sp<AMessage> &msg); 259 260 status_t setupVideoEncoder( 261 const char *mime, const sp<AMessage> &msg); 262 263 status_t setVideoFormatOnPort( 264 OMX_U32 portIndex, 265 int32_t width, int32_t height, 266 OMX_VIDEO_CODINGTYPE compressionFormat); 267 268 typedef struct drcParams { 269 int32_t drcCut; 270 int32_t drcBoost; 271 int32_t heavyCompression; 272 int32_t targetRefLevel; 273 int32_t encodedTargetLevel; 274 } drcParams_t; 275 276 status_t setupAACCodec( 277 bool encoder, 278 int32_t numChannels, int32_t sampleRate, int32_t bitRate, 279 int32_t aacProfile, bool isADTS, int32_t sbrMode, 280 int32_t maxOutputChannelCount, const drcParams_t& drc, 281 int32_t pcmLimiterEnable); 282 283 status_t setupAC3Codec(bool encoder, int32_t numChannels, int32_t sampleRate); 284 285 status_t selectAudioPortFormat( 286 OMX_U32 portIndex, OMX_AUDIO_CODINGTYPE desiredFormat); 287 288 status_t setupAMRCodec(bool encoder, bool isWAMR, int32_t bitRate); 289 status_t setupG711Codec(bool encoder, int32_t numChannels); 290 291 status_t setupFlacCodec( 292 bool encoder, int32_t numChannels, int32_t sampleRate, int32_t compressionLevel); 293 294 status_t setupRawAudioFormat( 295 OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels); 296 297 status_t setMinBufferSize(OMX_U32 portIndex, size_t size); 298 299 status_t setupMPEG4EncoderParameters(const sp<AMessage> &msg); 300 status_t setupH263EncoderParameters(const sp<AMessage> &msg); 301 status_t setupAVCEncoderParameters(const sp<AMessage> &msg); 302 status_t setupHEVCEncoderParameters(const sp<AMessage> &msg); 303 status_t setupVPXEncoderParameters(const sp<AMessage> &msg); 304 305 status_t verifySupportForProfileAndLevel(int32_t profile, int32_t level); 306 307 status_t configureBitrate( 308 int32_t bitrate, OMX_VIDEO_CONTROLRATETYPE bitrateMode); 309 310 status_t setupErrorCorrectionParameters(); 311 312 status_t initNativeWindow(); 313 314 status_t pushBlankBuffersToNativeWindow(); 315 316 // Returns true iff all buffers on the given port have status 317 // OWNED_BY_US or OWNED_BY_NATIVE_WINDOW. 318 bool allYourBuffersAreBelongToUs(OMX_U32 portIndex); 319 320 bool allYourBuffersAreBelongToUs(); 321 322 void waitUntilAllPossibleNativeWindowBuffersAreReturnedToUs(); 323 324 size_t countBuffersOwnedByComponent(OMX_U32 portIndex) const; 325 size_t countBuffersOwnedByNativeWindow() const; 326 327 void deferMessage(const sp<AMessage> &msg); 328 void processDeferredMessages(); 329 330 void sendFormatChange(const sp<AMessage> &reply); 331 status_t getPortFormat(OMX_U32 portIndex, sp<AMessage> ¬ify); 332 333 void signalError( 334 OMX_ERRORTYPE error = OMX_ErrorUndefined, 335 status_t internalError = UNKNOWN_ERROR); 336 337 static bool describeDefaultColorFormat(DescribeColorFormatParams &describeParams); 338 static bool describeColorFormat( 339 const sp<IOMX> &omx, IOMX::node_id node, 340 DescribeColorFormatParams &describeParams); 341 342 status_t requestIDRFrame(); 343 status_t setParameters(const sp<AMessage> ¶ms); 344 345 // Send EOS on input stream. 346 void onSignalEndOfInputStream(); 347 348 DISALLOW_EVIL_CONSTRUCTORS(ACodec); 349}; 350 351} // namespace android 352 353#endif // A_CODEC_H_ 354