ACodec.h revision 933a4d3339ebbcd34a7f97b9e7350ec74b5ec29c
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 30namespace android { 31 32struct ABuffer; 33struct MemoryDealer; 34 35struct 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 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 }; 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; 208 209 status_t setCyclicIntraMacroblockRefresh(const sp<AMessage> &msg, int32_t mode); 210 status_t allocateBuffersOnPort(OMX_U32 portIndex); 211 status_t freeBuffersOnPort(OMX_U32 portIndex); 212 status_t freeBuffer(OMX_U32 portIndex, size_t i); 213 214 status_t configureOutputBuffersFromNativeWindow( 215 OMX_U32 *nBufferCount, OMX_U32 *nBufferSize, 216 OMX_U32 *nMinUndequeuedBuffers); 217 status_t allocateOutputMetaDataBuffers(); 218 status_t submitOutputMetaDataBuffer(); 219 void signalSubmitOutputMetaDataBufferIfEOS_workaround(); 220 status_t allocateOutputBuffersFromNativeWindow(); 221 status_t cancelBufferToNativeWindow(BufferInfo *info); 222 status_t freeOutputBuffersNotOwnedByComponent(); 223 BufferInfo *dequeueBufferFromNativeWindow(); 224 225 BufferInfo *findBufferByID( 226 uint32_t portIndex, IOMX::buffer_id bufferID, 227 ssize_t *index = NULL); 228 229 status_t setComponentRole(bool isEncoder, const char *mime); 230 status_t configureCodec(const char *mime, const sp<AMessage> &msg); 231 232 status_t setVideoPortFormatType( 233 OMX_U32 portIndex, 234 OMX_VIDEO_CODINGTYPE compressionFormat, 235 OMX_COLOR_FORMATTYPE colorFormat); 236 237 status_t setSupportedOutputFormat(); 238 239 status_t setupVideoDecoder( 240 const char *mime, int32_t width, int32_t height); 241 242 status_t setupVideoEncoder( 243 const char *mime, const sp<AMessage> &msg); 244 245 status_t setVideoFormatOnPort( 246 OMX_U32 portIndex, 247 int32_t width, int32_t height, 248 OMX_VIDEO_CODINGTYPE compressionFormat); 249 250 status_t setupAACCodec( 251 bool encoder, 252 int32_t numChannels, int32_t sampleRate, int32_t bitRate, 253 int32_t aacProfile, bool isADTS); 254 255 status_t selectAudioPortFormat( 256 OMX_U32 portIndex, OMX_AUDIO_CODINGTYPE desiredFormat); 257 258 status_t setupAMRCodec(bool encoder, bool isWAMR, int32_t bitRate); 259 status_t setupG711Codec(bool encoder, int32_t numChannels); 260 261 status_t setupFlacCodec( 262 bool encoder, int32_t numChannels, int32_t sampleRate, int32_t compressionLevel); 263 264 status_t setupRawAudioFormat( 265 OMX_U32 portIndex, int32_t sampleRate, int32_t numChannels); 266 267 status_t setMinBufferSize(OMX_U32 portIndex, size_t size); 268 269 status_t setupMPEG4EncoderParameters(const sp<AMessage> &msg); 270 status_t setupH263EncoderParameters(const sp<AMessage> &msg); 271 status_t setupAVCEncoderParameters(const sp<AMessage> &msg); 272 status_t setupVPXEncoderParameters(const sp<AMessage> &msg); 273 274 status_t verifySupportForProfileAndLevel(int32_t profile, int32_t level); 275 276 status_t configureBitrate( 277 int32_t bitrate, OMX_VIDEO_CONTROLRATETYPE bitrateMode); 278 279 status_t setupErrorCorrectionParameters(); 280 281 status_t initNativeWindow(); 282 283 status_t pushBlankBuffersToNativeWindow(); 284 285 // Returns true iff all buffers on the given port have status 286 // OWNED_BY_US or OWNED_BY_NATIVE_WINDOW. 287 bool allYourBuffersAreBelongToUs(OMX_U32 portIndex); 288 289 bool allYourBuffersAreBelongToUs(); 290 291 void waitUntilAllPossibleNativeWindowBuffersAreReturnedToUs(); 292 293 size_t countBuffersOwnedByComponent(OMX_U32 portIndex) const; 294 size_t countBuffersOwnedByNativeWindow() const; 295 296 void deferMessage(const sp<AMessage> &msg); 297 void processDeferredMessages(); 298 299 void sendFormatChange(const sp<AMessage> &reply); 300 301 void signalError( 302 OMX_ERRORTYPE error = OMX_ErrorUndefined, 303 status_t internalError = UNKNOWN_ERROR); 304 305 status_t requestIDRFrame(); 306 status_t setParameters(const sp<AMessage> ¶ms); 307 308 // Send EOS on input stream. 309 void onSignalEndOfInputStream(); 310 311 DISALLOW_EVIL_CONSTRUCTORS(ACodec); 312}; 313 314} // namespace android 315 316#endif // A_CODEC_H_ 317