ACodec.h revision a147b4f91143d9f2fb608e22f9fca14bbd029573
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 }; 124 125 enum { 126 kPortIndexInput = 0, 127 kPortIndexOutput = 1 128 }; 129 130 enum { 131 kFlagIsSecure = 1, 132 kFlagPushBlankBuffersToNativeWindowOnShutdown = 2, 133 }; 134 135 struct BufferInfo { 136 enum Status { 137 OWNED_BY_US, 138 OWNED_BY_COMPONENT, 139 OWNED_BY_UPSTREAM, 140 OWNED_BY_DOWNSTREAM, 141 OWNED_BY_NATIVE_WINDOW, 142 }; 143 144 IOMX::buffer_id mBufferID; 145 Status mStatus; 146 unsigned mDequeuedAt; 147 148 sp<ABuffer> mData; 149 sp<GraphicBuffer> mGraphicBuffer; 150 }; 151 152#if TRACK_BUFFER_TIMING 153 struct BufferStats { 154 int64_t mEmptyBufferTimeUs; 155 int64_t mFillBufferDoneTimeUs; 156 }; 157 158 KeyedVector<int64_t, BufferStats> mBufferStats; 159#endif 160 161 sp<AMessage> mNotify; 162 163 sp<UninitializedState> mUninitializedState; 164 sp<LoadedState> mLoadedState; 165 sp<LoadedToIdleState> mLoadedToIdleState; 166 sp<IdleToExecutingState> mIdleToExecutingState; 167 sp<ExecutingState> mExecutingState; 168 sp<OutputPortSettingsChangedState> mOutputPortSettingsChangedState; 169 sp<ExecutingToIdleState> mExecutingToIdleState; 170 sp<IdleToLoadedState> mIdleToLoadedState; 171 sp<FlushingState> mFlushingState; 172 sp<SkipCutBuffer> mSkipCutBuffer; 173 174 AString mComponentName; 175 uint32_t mFlags; 176 uint32_t mQuirks; 177 sp<IOMX> mOMX; 178 IOMX::node_id mNode; 179 sp<MemoryDealer> mDealer[2]; 180 181 sp<ANativeWindow> mNativeWindow; 182 sp<AMessage> mInputFormat; 183 sp<AMessage> mOutputFormat; 184 185 Vector<BufferInfo> mBuffers[2]; 186 bool mPortEOS[2]; 187 status_t mInputEOSResult; 188 189 List<sp<AMessage> > mDeferredQueue; 190 191 bool mSentFormat; 192 bool mIsEncoder; 193 bool mUseMetadataOnEncoderOutput; 194 bool mShutdownInProgress; 195 bool mExplicitShutdown; 196 197 // If "mKeepComponentAllocated" we only transition back to Loaded state 198 // and do not release the component instance. 199 bool mKeepComponentAllocated; 200 201 int32_t mEncoderDelay; 202 int32_t mEncoderPadding; 203 int32_t mRotationDegrees; 204 205 bool mChannelMaskPresent; 206 int32_t mChannelMask; 207 unsigned mDequeueCounter; 208 bool mStoreMetaDataInOutputBuffers; 209 int32_t mMetaDataBuffersToSubmit; 210 size_t mNumUndequeuedBuffers; 211 212 int64_t mRepeatFrameDelayUs; 213 int64_t mMaxPtsGapUs; 214 215 int64_t mTimePerFrameUs; 216 int64_t mTimePerCaptureUs; 217 218 bool mCreateInputBuffersSuspended; 219 220 status_t setCyclicIntraMacroblockRefresh(const sp<AMessage> &msg, int32_t mode); 221 status_t allocateBuffersOnPort(OMX_U32 portIndex); 222 status_t freeBuffersOnPort(OMX_U32 portIndex); 223 status_t freeBuffer(OMX_U32 portIndex, size_t i); 224 225 status_t configureOutputBuffersFromNativeWindow( 226 OMX_U32 *nBufferCount, OMX_U32 *nBufferSize, 227 OMX_U32 *nMinUndequeuedBuffers); 228 status_t allocateOutputMetaDataBuffers(); 229 status_t submitOutputMetaDataBuffer(); 230 void signalSubmitOutputMetaDataBufferIfEOS_workaround(); 231 status_t allocateOutputBuffersFromNativeWindow(); 232 status_t cancelBufferToNativeWindow(BufferInfo *info); 233 status_t freeOutputBuffersNotOwnedByComponent(); 234 BufferInfo *dequeueBufferFromNativeWindow(); 235 236 BufferInfo *findBufferByID( 237 uint32_t portIndex, IOMX::buffer_id bufferID, 238 ssize_t *index = NULL); 239 240 status_t setComponentRole(bool isEncoder, const char *mime); 241 status_t configureCodec(const char *mime, const sp<AMessage> &msg); 242 243 status_t configureTunneledVideoPlayback(int32_t audioHwSync, 244 const sp<ANativeWindow> &nativeWindow); 245 246 status_t setVideoPortFormatType( 247 OMX_U32 portIndex, 248 OMX_VIDEO_CODINGTYPE compressionFormat, 249 OMX_COLOR_FORMATTYPE colorFormat); 250 251 status_t setSupportedOutputFormat(); 252 253 status_t setupVideoDecoder( 254 const char *mime, const sp<AMessage> &msg); 255 256 status_t setupVideoEncoder( 257 const char *mime, const sp<AMessage> &msg); 258 259 status_t setVideoFormatOnPort( 260 OMX_U32 portIndex, 261 int32_t width, int32_t height, 262 OMX_VIDEO_CODINGTYPE compressionFormat); 263 264 typedef struct drcParams { 265 int32_t drcCut; 266 int32_t drcBoost; 267 int32_t heavyCompression; 268 int32_t targetRefLevel; 269 int32_t encodedTargetLevel; 270 } drcParams_t; 271 272 status_t setupAACCodec( 273 bool encoder, 274 int32_t numChannels, int32_t sampleRate, int32_t bitRate, 275 int32_t aacProfile, bool isADTS, int32_t sbrMode, 276 int32_t maxOutputChannelCount, const drcParams_t& drc, 277 int32_t pcmLimiterEnable); 278 279 status_t setupAC3Codec(bool encoder, int32_t numChannels, int32_t sampleRate); 280 281 status_t selectAudioPortFormat( 282 OMX_U32 portIndex, OMX_AUDIO_CODINGTYPE desiredFormat); 283 284 status_t setupAMRCodec(bool encoder, bool isWAMR, int32_t bitRate); 285 status_t setupG711Codec(bool encoder, int32_t numChannels); 286 287 status_t setupFlacCodec( 288 bool encoder, int32_t numChannels, int32_t sampleRate, int32_t compressionLevel); 289 290 status_t setupRawAudioFormat( 291 OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels); 292 293 status_t setMinBufferSize(OMX_U32 portIndex, size_t size); 294 295 status_t setupMPEG4EncoderParameters(const sp<AMessage> &msg); 296 status_t setupH263EncoderParameters(const sp<AMessage> &msg); 297 status_t setupAVCEncoderParameters(const sp<AMessage> &msg); 298 status_t setupHEVCEncoderParameters(const sp<AMessage> &msg); 299 status_t setupVPXEncoderParameters(const sp<AMessage> &msg); 300 301 status_t verifySupportForProfileAndLevel(int32_t profile, int32_t level); 302 303 status_t configureBitrate( 304 int32_t bitrate, OMX_VIDEO_CONTROLRATETYPE bitrateMode); 305 306 status_t setupErrorCorrectionParameters(); 307 308 status_t initNativeWindow(); 309 310 status_t pushBlankBuffersToNativeWindow(); 311 312 // Returns true iff all buffers on the given port have status 313 // OWNED_BY_US or OWNED_BY_NATIVE_WINDOW. 314 bool allYourBuffersAreBelongToUs(OMX_U32 portIndex); 315 316 bool allYourBuffersAreBelongToUs(); 317 318 void waitUntilAllPossibleNativeWindowBuffersAreReturnedToUs(); 319 320 size_t countBuffersOwnedByComponent(OMX_U32 portIndex) const; 321 size_t countBuffersOwnedByNativeWindow() const; 322 323 void deferMessage(const sp<AMessage> &msg); 324 void processDeferredMessages(); 325 326 void sendFormatChange(const sp<AMessage> &reply); 327 status_t getPortFormat(OMX_U32 portIndex, sp<AMessage> ¬ify); 328 329 void signalError( 330 OMX_ERRORTYPE error = OMX_ErrorUndefined, 331 status_t internalError = UNKNOWN_ERROR); 332 333 static bool describeDefaultColorFormat(DescribeColorFormatParams &describeParams); 334 static bool describeColorFormat( 335 const sp<IOMX> &omx, IOMX::node_id node, 336 DescribeColorFormatParams &describeParams); 337 338 status_t requestIDRFrame(); 339 status_t setParameters(const sp<AMessage> ¶ms); 340 341 // Send EOS on input stream. 342 void onSignalEndOfInputStream(); 343 344 DISALLOW_EVIL_CONSTRUCTORS(ACodec); 345}; 346 347} // namespace android 348 349#endif // A_CODEC_H_ 350