ACodec.h revision ab76066c11e988ca3d3a5d6d74dd510ae080322e
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 83protected: 84 virtual ~ACodec(); 85 86private: 87 struct BaseState; 88 struct UninitializedState; 89 struct LoadedState; 90 struct LoadedToIdleState; 91 struct IdleToExecutingState; 92 struct ExecutingState; 93 struct OutputPortSettingsChangedState; 94 struct ExecutingToIdleState; 95 struct IdleToLoadedState; 96 struct FlushingState; 97 struct DeathNotifier; 98 99 enum { 100 kWhatSetup = 'setu', 101 kWhatOMXMessage = 'omx ', 102 kWhatInputBufferFilled = 'inpF', 103 kWhatOutputBufferDrained = 'outD', 104 kWhatShutdown = 'shut', 105 kWhatFlush = 'flus', 106 kWhatResume = 'resm', 107 kWhatDrainDeferredMessages = 'drai', 108 kWhatAllocateComponent = 'allo', 109 kWhatConfigureComponent = 'conf', 110 kWhatCreateInputSurface = 'cisf', 111 kWhatSignalEndOfInputStream = 'eois', 112 kWhatStart = 'star', 113 kWhatRequestIDRFrame = 'ridr', 114 kWhatSetParameters = 'setP', 115 kWhatSubmitOutputMetaDataBufferIfEOS = 'subm', 116 kWhatOMXDied = 'OMXd', 117 }; 118 119 enum { 120 kPortIndexInput = 0, 121 kPortIndexOutput = 1 122 }; 123 124 enum { 125 kFlagIsSecure = 1, 126 kFlagPushBlankBuffersToNativeWindowOnShutdown = 2, 127 }; 128 129 struct BufferInfo { 130 enum Status { 131 OWNED_BY_US, 132 OWNED_BY_COMPONENT, 133 OWNED_BY_UPSTREAM, 134 OWNED_BY_DOWNSTREAM, 135 OWNED_BY_NATIVE_WINDOW, 136 }; 137 138 IOMX::buffer_id mBufferID; 139 Status mStatus; 140 unsigned mDequeuedAt; 141 142 sp<ABuffer> mData; 143 sp<GraphicBuffer> mGraphicBuffer; 144 }; 145 146#if TRACK_BUFFER_TIMING 147 struct BufferStats { 148 int64_t mEmptyBufferTimeUs; 149 int64_t mFillBufferDoneTimeUs; 150 }; 151 152 KeyedVector<int64_t, BufferStats> mBufferStats; 153#endif 154 155 sp<AMessage> mNotify; 156 157 sp<UninitializedState> mUninitializedState; 158 sp<LoadedState> mLoadedState; 159 sp<LoadedToIdleState> mLoadedToIdleState; 160 sp<IdleToExecutingState> mIdleToExecutingState; 161 sp<ExecutingState> mExecutingState; 162 sp<OutputPortSettingsChangedState> mOutputPortSettingsChangedState; 163 sp<ExecutingToIdleState> mExecutingToIdleState; 164 sp<IdleToLoadedState> mIdleToLoadedState; 165 sp<FlushingState> mFlushingState; 166 sp<SkipCutBuffer> mSkipCutBuffer; 167 168 AString mComponentName; 169 uint32_t mFlags; 170 uint32_t mQuirks; 171 sp<IOMX> mOMX; 172 IOMX::node_id mNode; 173 sp<MemoryDealer> mDealer[2]; 174 175 sp<ANativeWindow> mNativeWindow; 176 sp<AMessage> mInputFormat; 177 sp<AMessage> mOutputFormat; 178 179 Vector<BufferInfo> mBuffers[2]; 180 bool mPortEOS[2]; 181 status_t mInputEOSResult; 182 183 List<sp<AMessage> > mDeferredQueue; 184 185 bool mSentFormat; 186 bool mIsEncoder; 187 bool mUseMetadataOnEncoderOutput; 188 bool mShutdownInProgress; 189 bool mExplicitShutdown; 190 191 // If "mKeepComponentAllocated" we only transition back to Loaded state 192 // and do not release the component instance. 193 bool mKeepComponentAllocated; 194 195 int32_t mEncoderDelay; 196 int32_t mEncoderPadding; 197 int32_t mRotationDegrees; 198 199 bool mChannelMaskPresent; 200 int32_t mChannelMask; 201 unsigned mDequeueCounter; 202 bool mStoreMetaDataInOutputBuffers; 203 int32_t mMetaDataBuffersToSubmit; 204 size_t mNumUndequeuedBuffers; 205 206 int64_t mRepeatFrameDelayUs; 207 int64_t mMaxPtsGapUs; 208 209 int64_t mTimePerFrameUs; 210 int64_t mTimePerCaptureUs; 211 212 bool mCreateInputBuffersSuspended; 213 214 bool mTunneled; 215 216 status_t setCyclicIntraMacroblockRefresh(const sp<AMessage> &msg, int32_t mode); 217 status_t allocateBuffersOnPort(OMX_U32 portIndex); 218 status_t freeBuffersOnPort(OMX_U32 portIndex); 219 status_t freeBuffer(OMX_U32 portIndex, size_t i); 220 221 status_t configureOutputBuffersFromNativeWindow( 222 OMX_U32 *nBufferCount, OMX_U32 *nBufferSize, 223 OMX_U32 *nMinUndequeuedBuffers); 224 status_t allocateOutputMetaDataBuffers(); 225 status_t submitOutputMetaDataBuffer(); 226 void signalSubmitOutputMetaDataBufferIfEOS_workaround(); 227 status_t allocateOutputBuffersFromNativeWindow(); 228 status_t cancelBufferToNativeWindow(BufferInfo *info); 229 status_t freeOutputBuffersNotOwnedByComponent(); 230 BufferInfo *dequeueBufferFromNativeWindow(); 231 232 BufferInfo *findBufferByID( 233 uint32_t portIndex, IOMX::buffer_id bufferID, 234 ssize_t *index = NULL); 235 236 status_t setComponentRole(bool isEncoder, const char *mime); 237 status_t configureCodec(const char *mime, const sp<AMessage> &msg); 238 239 status_t configureTunneledVideoPlayback(int32_t audioHwSync, 240 const sp<ANativeWindow> &nativeWindow); 241 242 status_t setVideoPortFormatType( 243 OMX_U32 portIndex, 244 OMX_VIDEO_CODINGTYPE compressionFormat, 245 OMX_COLOR_FORMATTYPE colorFormat); 246 247 status_t setSupportedOutputFormat(); 248 249 status_t setupVideoDecoder( 250 const char *mime, const sp<AMessage> &msg); 251 252 status_t setupVideoEncoder( 253 const char *mime, const sp<AMessage> &msg); 254 255 status_t setVideoFormatOnPort( 256 OMX_U32 portIndex, 257 int32_t width, int32_t height, 258 OMX_VIDEO_CODINGTYPE compressionFormat); 259 260 typedef struct drcParams { 261 int32_t drcCut; 262 int32_t drcBoost; 263 int32_t heavyCompression; 264 int32_t targetRefLevel; 265 int32_t encodedTargetLevel; 266 } drcParams_t; 267 268 status_t setupAACCodec( 269 bool encoder, 270 int32_t numChannels, int32_t sampleRate, int32_t bitRate, 271 int32_t aacProfile, bool isADTS, int32_t sbrMode, 272 int32_t maxOutputChannelCount, const drcParams_t& drc); 273 274 status_t setupAC3Codec(bool encoder, int32_t numChannels, int32_t sampleRate); 275 276 status_t selectAudioPortFormat( 277 OMX_U32 portIndex, OMX_AUDIO_CODINGTYPE desiredFormat); 278 279 status_t setupAMRCodec(bool encoder, bool isWAMR, int32_t bitRate); 280 status_t setupG711Codec(bool encoder, int32_t numChannels); 281 282 status_t setupFlacCodec( 283 bool encoder, int32_t numChannels, int32_t sampleRate, int32_t compressionLevel); 284 285 status_t setupRawAudioFormat( 286 OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels); 287 288 status_t setMinBufferSize(OMX_U32 portIndex, size_t size); 289 290 status_t setupMPEG4EncoderParameters(const sp<AMessage> &msg); 291 status_t setupH263EncoderParameters(const sp<AMessage> &msg); 292 status_t setupAVCEncoderParameters(const sp<AMessage> &msg); 293 status_t setupHEVCEncoderParameters(const sp<AMessage> &msg); 294 status_t setupVPXEncoderParameters(const sp<AMessage> &msg); 295 296 status_t verifySupportForProfileAndLevel(int32_t profile, int32_t level); 297 298 status_t configureBitrate( 299 int32_t bitrate, OMX_VIDEO_CONTROLRATETYPE bitrateMode); 300 301 status_t setupErrorCorrectionParameters(); 302 303 status_t initNativeWindow(); 304 305 status_t pushBlankBuffersToNativeWindow(); 306 307 // Returns true iff all buffers on the given port have status 308 // OWNED_BY_US or OWNED_BY_NATIVE_WINDOW. 309 bool allYourBuffersAreBelongToUs(OMX_U32 portIndex); 310 311 bool allYourBuffersAreBelongToUs(); 312 313 void waitUntilAllPossibleNativeWindowBuffersAreReturnedToUs(); 314 315 size_t countBuffersOwnedByComponent(OMX_U32 portIndex) const; 316 size_t countBuffersOwnedByNativeWindow() const; 317 318 void deferMessage(const sp<AMessage> &msg); 319 void processDeferredMessages(); 320 321 void sendFormatChange(const sp<AMessage> &reply); 322 status_t getPortFormat(OMX_U32 portIndex, sp<AMessage> ¬ify); 323 324 void signalError( 325 OMX_ERRORTYPE error = OMX_ErrorUndefined, 326 status_t internalError = UNKNOWN_ERROR); 327 328 static bool describeDefaultColorFormat(DescribeColorFormatParams &describeParams); 329 static bool describeColorFormat( 330 const sp<IOMX> &omx, IOMX::node_id node, 331 DescribeColorFormatParams &describeParams); 332 333 status_t requestIDRFrame(); 334 status_t setParameters(const sp<AMessage> ¶ms); 335 336 // Send EOS on input stream. 337 void onSignalEndOfInputStream(); 338 339 DISALLOW_EVIL_CONSTRUCTORS(ACodec); 340}; 341 342} // namespace android 343 344#endif // A_CODEC_H_ 345