| /* |
| * Copyright 2012, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef MEDIA_CODEC_H_ |
| |
| #define MEDIA_CODEC_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include <gui/IGraphicBufferProducer.h> |
| #include <media/hardware/CryptoAPI.h> |
| #include <media/MediaCodecInfo.h> |
| #include <media/MediaMetrics.h> |
| #include <media/stagefright/foundation/AHandler.h> |
| #include <media/stagefright/FrameRenderTracker.h> |
| #include <utils/Vector.h> |
| |
| class C2Buffer; |
| class C2GraphicBlock; |
| class C2LinearBlock; |
| |
| namespace aidl { |
| namespace android { |
| namespace media { |
| class MediaResourceParcel; |
| } // media |
| } // android |
| } // aidl |
| |
| namespace android { |
| |
| struct ABuffer; |
| struct AMessage; |
| struct AReplyToken; |
| struct AString; |
| struct BatteryChecker; |
| class BufferChannelBase; |
| struct CodecBase; |
| struct CodecParameterDescriptor; |
| class IBatteryStats; |
| struct ICrypto; |
| class MediaCodecBuffer; |
| class IMemory; |
| struct PersistentSurface; |
| class SoftwareRenderer; |
| class Surface; |
| class PlaybackDurationAccumulator; |
| namespace hardware { |
| namespace cas { |
| namespace native { |
| namespace V1_0 { |
| struct IDescrambler; |
| }}}} |
| |
| using hardware::cas::native::V1_0::IDescrambler; |
| using aidl::android::media::MediaResourceParcel; |
| |
| struct MediaCodec : public AHandler { |
| enum ConfigureFlags { |
| CONFIGURE_FLAG_ENCODE = 1, |
| CONFIGURE_FLAG_USE_BLOCK_MODEL = 2, |
| }; |
| |
| enum BufferFlags { |
| BUFFER_FLAG_SYNCFRAME = 1, |
| BUFFER_FLAG_CODECCONFIG = 2, |
| BUFFER_FLAG_EOS = 4, |
| BUFFER_FLAG_PARTIAL_FRAME = 8, |
| BUFFER_FLAG_MUXER_DATA = 16, |
| }; |
| |
| enum CVODegree { |
| CVO_DEGREE_0 = 0, |
| CVO_DEGREE_90 = 90, |
| CVO_DEGREE_180 = 180, |
| CVO_DEGREE_270 = 270, |
| }; |
| |
| enum { |
| CB_INPUT_AVAILABLE = 1, |
| CB_OUTPUT_AVAILABLE = 2, |
| CB_ERROR = 3, |
| CB_OUTPUT_FORMAT_CHANGED = 4, |
| CB_RESOURCE_RECLAIMED = 5, |
| }; |
| |
| static const pid_t kNoPid = -1; |
| static const uid_t kNoUid = -1; |
| |
| static sp<MediaCodec> CreateByType( |
| const sp<ALooper> &looper, const AString &mime, bool encoder, status_t *err = NULL, |
| pid_t pid = kNoPid, uid_t uid = kNoUid); |
| |
| static sp<MediaCodec> CreateByType( |
| const sp<ALooper> &looper, const AString &mime, bool encoder, status_t *err, |
| pid_t pid, uid_t uid, sp<AMessage> format); |
| |
| static sp<MediaCodec> CreateByComponentName( |
| const sp<ALooper> &looper, const AString &name, status_t *err = NULL, |
| pid_t pid = kNoPid, uid_t uid = kNoUid); |
| |
| static sp<PersistentSurface> CreatePersistentInputSurface(); |
| |
| status_t configure( |
| const sp<AMessage> &format, |
| const sp<Surface> &nativeWindow, |
| const sp<ICrypto> &crypto, |
| uint32_t flags); |
| |
| status_t configure( |
| const sp<AMessage> &format, |
| const sp<Surface> &nativeWindow, |
| const sp<ICrypto> &crypto, |
| const sp<IDescrambler> &descrambler, |
| uint32_t flags); |
| |
| status_t releaseCrypto(); |
| |
| status_t setCallback(const sp<AMessage> &callback); |
| |
| status_t setOnFrameRenderedNotification(const sp<AMessage> ¬ify); |
| |
| status_t setOnFirstTunnelFrameReadyNotification(const sp<AMessage> ¬ify); |
| |
| status_t createInputSurface(sp<IGraphicBufferProducer>* bufferProducer); |
| |
| status_t setInputSurface(const sp<PersistentSurface> &surface); |
| |
| status_t start(); |
| |
| // Returns to a state in which the component remains allocated but |
| // unconfigured. |
| status_t stop(); |
| |
| // Resets the codec to the INITIALIZED state. Can be called after an error |
| // has occured to make the codec usable. |
| status_t reset(); |
| |
| // Client MUST call release before releasing final reference to this |
| // object. |
| status_t release(); |
| |
| status_t releaseAsync(const sp<AMessage> ¬ify); |
| |
| status_t flush(); |
| |
| status_t queueInputBuffer( |
| size_t index, |
| size_t offset, |
| size_t size, |
| int64_t presentationTimeUs, |
| uint32_t flags, |
| AString *errorDetailMsg = NULL); |
| |
| status_t queueSecureInputBuffer( |
| size_t index, |
| size_t offset, |
| const CryptoPlugin::SubSample *subSamples, |
| size_t numSubSamples, |
| const uint8_t key[16], |
| const uint8_t iv[16], |
| CryptoPlugin::Mode mode, |
| const CryptoPlugin::Pattern &pattern, |
| int64_t presentationTimeUs, |
| uint32_t flags, |
| AString *errorDetailMsg = NULL); |
| |
| status_t queueBuffer( |
| size_t index, |
| const std::shared_ptr<C2Buffer> &buffer, |
| int64_t presentationTimeUs, |
| uint32_t flags, |
| const sp<AMessage> &tunings, |
| AString *errorDetailMsg = NULL); |
| |
| status_t queueEncryptedBuffer( |
| size_t index, |
| const sp<hardware::HidlMemory> &memory, |
| size_t offset, |
| const CryptoPlugin::SubSample *subSamples, |
| size_t numSubSamples, |
| const uint8_t key[16], |
| const uint8_t iv[16], |
| CryptoPlugin::Mode mode, |
| const CryptoPlugin::Pattern &pattern, |
| int64_t presentationTimeUs, |
| uint32_t flags, |
| const sp<AMessage> &tunings, |
| AString *errorDetailMsg = NULL); |
| |
| std::shared_ptr<C2Buffer> decrypt( |
| const std::shared_ptr<C2Buffer> &buffer, |
| const CryptoPlugin::SubSample *subSamples, |
| size_t numSubSamples, |
| const uint8_t key[16], |
| const uint8_t iv[16], |
| CryptoPlugin::Mode mode, |
| const CryptoPlugin::Pattern &pattern); |
| |
| status_t dequeueInputBuffer(size_t *index, int64_t timeoutUs = 0ll); |
| |
| status_t dequeueOutputBuffer( |
| size_t *index, |
| size_t *offset, |
| size_t *size, |
| int64_t *presentationTimeUs, |
| uint32_t *flags, |
| int64_t timeoutUs = 0ll); |
| |
| status_t renderOutputBufferAndRelease(size_t index, int64_t timestampNs); |
| status_t renderOutputBufferAndRelease(size_t index); |
| status_t releaseOutputBuffer(size_t index); |
| |
| status_t signalEndOfInputStream(); |
| |
| status_t getOutputFormat(sp<AMessage> *format) const; |
| status_t getInputFormat(sp<AMessage> *format) const; |
| |
| status_t getInputBuffers(Vector<sp<MediaCodecBuffer> > *buffers) const; |
| status_t getOutputBuffers(Vector<sp<MediaCodecBuffer> > *buffers) const; |
| |
| status_t getOutputBuffer(size_t index, sp<MediaCodecBuffer> *buffer); |
| status_t getOutputFormat(size_t index, sp<AMessage> *format); |
| status_t getInputBuffer(size_t index, sp<MediaCodecBuffer> *buffer); |
| |
| status_t setSurface(const sp<Surface> &nativeWindow); |
| |
| status_t requestIDRFrame(); |
| |
| // Notification will be posted once there "is something to do", i.e. |
| // an input/output buffer has become available, a format change is |
| // pending, an error is pending. |
| void requestActivityNotification(const sp<AMessage> ¬ify); |
| |
| status_t getName(AString *componentName) const; |
| |
| status_t getCodecInfo(sp<MediaCodecInfo> *codecInfo) const; |
| |
| status_t getMetrics(mediametrics_handle_t &reply); |
| |
| status_t setParameters(const sp<AMessage> ¶ms); |
| |
| status_t querySupportedVendorParameters(std::vector<std::string> *names); |
| status_t describeParameter(const std::string &name, CodecParameterDescriptor *desc); |
| status_t subscribeToVendorParameters(const std::vector<std::string> &names); |
| status_t unsubscribeFromVendorParameters(const std::vector<std::string> &names); |
| |
| // Create a MediaCodec notification message from a list of rendered or dropped render infos |
| // by adding rendered frame information to a base notification message. Returns the number |
| // of frames that were rendered. |
| static size_t CreateFramesRenderedMessage( |
| const std::list<FrameRenderTracker::Info> &done, sp<AMessage> &msg); |
| |
| static status_t CanFetchLinearBlock( |
| const std::vector<std::string> &names, bool *isCompatible); |
| |
| static std::shared_ptr<C2LinearBlock> FetchLinearBlock( |
| size_t capacity, const std::vector<std::string> &names); |
| |
| static status_t CanFetchGraphicBlock( |
| const std::vector<std::string> &names, bool *isCompatible); |
| |
| static std::shared_ptr<C2GraphicBlock> FetchGraphicBlock( |
| int32_t width, |
| int32_t height, |
| int32_t format, |
| uint64_t usage, |
| const std::vector<std::string> &names); |
| |
| template <typename T> |
| struct WrapperObject : public RefBase { |
| WrapperObject(const T& v) : value(v) {} |
| WrapperObject(T&& v) : value(std::move(v)) {} |
| T value; |
| }; |
| |
| protected: |
| virtual ~MediaCodec(); |
| virtual void onMessageReceived(const sp<AMessage> &msg); |
| |
| private: |
| // used by ResourceManagerClient |
| status_t reclaim(bool force = false); |
| friend struct ResourceManagerClient; |
| |
| private: |
| enum State { |
| UNINITIALIZED, |
| INITIALIZING, |
| INITIALIZED, |
| CONFIGURING, |
| CONFIGURED, |
| STARTING, |
| STARTED, |
| FLUSHING, |
| FLUSHED, |
| STOPPING, |
| RELEASING, |
| }; |
| std::string stateString(State state); |
| |
| enum { |
| kPortIndexInput = 0, |
| kPortIndexOutput = 1, |
| }; |
| |
| enum { |
| kWhatInit = 'init', |
| kWhatConfigure = 'conf', |
| kWhatSetSurface = 'sSur', |
| kWhatCreateInputSurface = 'cisf', |
| kWhatSetInputSurface = 'sisf', |
| kWhatStart = 'strt', |
| kWhatStop = 'stop', |
| kWhatRelease = 'rele', |
| kWhatDequeueInputBuffer = 'deqI', |
| kWhatQueueInputBuffer = 'queI', |
| kWhatDequeueOutputBuffer = 'deqO', |
| kWhatReleaseOutputBuffer = 'relO', |
| kWhatSignalEndOfInputStream = 'eois', |
| kWhatGetBuffers = 'getB', |
| kWhatFlush = 'flus', |
| kWhatGetOutputFormat = 'getO', |
| kWhatGetInputFormat = 'getI', |
| kWhatDequeueInputTimedOut = 'dITO', |
| kWhatDequeueOutputTimedOut = 'dOTO', |
| kWhatCodecNotify = 'codc', |
| kWhatRequestIDRFrame = 'ridr', |
| kWhatRequestActivityNotification = 'racN', |
| kWhatGetName = 'getN', |
| kWhatGetCodecInfo = 'gCoI', |
| kWhatSetParameters = 'setP', |
| kWhatSetCallback = 'setC', |
| kWhatSetNotification = 'setN', |
| kWhatDrmReleaseCrypto = 'rDrm', |
| kWhatCheckBatteryStats = 'chkB', |
| }; |
| |
| enum { |
| kFlagUsesSoftwareRenderer = 1, |
| kFlagOutputFormatChanged = 2, |
| kFlagOutputBuffersChanged = 4, |
| kFlagStickyError = 8, |
| kFlagDequeueInputPending = 16, |
| kFlagDequeueOutputPending = 32, |
| kFlagIsSecure = 64, |
| kFlagSawMediaServerDie = 128, |
| kFlagIsEncoder = 256, |
| // 512 skipped |
| kFlagIsAsync = 1024, |
| kFlagIsComponentAllocated = 2048, |
| kFlagPushBlankBuffersOnShutdown = 4096, |
| kFlagUseBlockModel = 8192, |
| }; |
| |
| struct BufferInfo { |
| BufferInfo(); |
| |
| sp<MediaCodecBuffer> mData; |
| bool mOwnedByClient; |
| }; |
| |
| // This type is used to track the tunnel mode video peek state machine: |
| // |
| // DisabledNoBuffer -> EnabledNoBuffer when tunnel-peek = true |
| // DisabledQueued -> EnabledQueued when tunnel-peek = true |
| // DisabledNoBuffer -> DisabledQueued when first frame queued |
| // EnabledNoBuffer -> DisabledNoBuffer when tunnel-peek = false |
| // EnabledQueued -> DisabledQueued when tunnel-peek = false |
| // EnabledNoBuffer -> EnabledQueued when first frame queued |
| // DisabledNoBuffer -> BufferDecoded when kWhatFirstTunnelFrameReady |
| // DisabledQueued -> BufferDecoded when kWhatFirstTunnelFrameReady |
| // EnabledNoBuffer -> BufferDecoded when kWhatFirstTunnelFrameReady |
| // EnabledQueued -> BufferDecoded when kWhatFirstTunnelFrameReady |
| // BufferDecoded -> BufferRendered when kWhatFrameRendered |
| // <all states> -> EnabledNoBuffer when flush |
| // <all states> -> EnabledNoBuffer when stop then configure then start |
| enum struct TunnelPeekState { |
| kDisabledNoBuffer, |
| kEnabledNoBuffer, |
| kDisabledQueued, |
| kEnabledQueued, |
| kBufferDecoded, |
| kBufferRendered, |
| }; |
| |
| struct ResourceManagerServiceProxy; |
| |
| State mState; |
| uid_t mUid; |
| bool mReleasedByResourceManager; |
| sp<ALooper> mLooper; |
| sp<ALooper> mCodecLooper; |
| sp<CodecBase> mCodec; |
| AString mComponentName; |
| AString mOwnerName; |
| sp<MediaCodecInfo> mCodecInfo; |
| sp<AReplyToken> mReplyID; |
| std::string mLastReplyOrigin; |
| std::vector<sp<AMessage>> mDeferredMessages; |
| uint32_t mFlags; |
| int64_t mPresentationTimeUs = 0; |
| status_t mStickyError; |
| sp<Surface> mSurface; |
| SoftwareRenderer *mSoftRenderer; |
| |
| mediametrics_handle_t mMetricsHandle = 0; |
| nsecs_t mLifetimeStartNs = 0; |
| void initMediametrics(); |
| void updateMediametrics(); |
| void flushMediametrics(); |
| void updateEphemeralMediametrics(mediametrics_handle_t item); |
| void updateLowLatency(const sp<AMessage> &msg); |
| constexpr const char *asString(TunnelPeekState state, const char *default_string="?"); |
| void updateTunnelPeek(const sp<AMessage> &msg); |
| void updatePlaybackDuration(const sp<AMessage> &msg); |
| |
| sp<AMessage> mOutputFormat; |
| sp<AMessage> mInputFormat; |
| sp<AMessage> mCallback; |
| sp<AMessage> mOnFrameRenderedNotification; |
| sp<AMessage> mAsyncReleaseCompleteNotification; |
| sp<AMessage> mOnFirstTunnelFrameReadyNotification; |
| |
| sp<ResourceManagerServiceProxy> mResourceManagerProxy; |
| |
| bool mIsVideo; |
| AString mLogSessionId; |
| int32_t mVideoWidth; |
| int32_t mVideoHeight; |
| int32_t mRotationDegrees; |
| int32_t mAllowFrameDroppingBySurface; |
| |
| // initial create parameters |
| AString mInitName; |
| |
| // configure parameter |
| sp<AMessage> mConfigureMsg; |
| |
| // rewrites the format description during configure() for encoding. |
| // format and flags as they exist within configure() |
| // the (possibly) updated format is returned in place. |
| status_t shapeMediaFormat( |
| const sp<AMessage> &format, |
| uint32_t flags); |
| |
| // populate the format shaper library with information for this codec encoding |
| // for the indicated media type |
| status_t setupFormatShaper(AString mediaType); |
| |
| // Used only to synchronize asynchronous getBufferAndFormat |
| // across all the other (synchronous) buffer state change |
| // operations, such as de/queueIn/OutputBuffer, start and |
| // stop/flush/reset/release. |
| Mutex mBufferLock; |
| |
| List<size_t> mAvailPortBuffers[2]; |
| std::vector<BufferInfo> mPortBuffers[2]; |
| |
| int32_t mDequeueInputTimeoutGeneration; |
| sp<AReplyToken> mDequeueInputReplyID; |
| |
| int32_t mDequeueOutputTimeoutGeneration; |
| sp<AReplyToken> mDequeueOutputReplyID; |
| |
| sp<ICrypto> mCrypto; |
| |
| int32_t mTunneledInputWidth; |
| int32_t mTunneledInputHeight; |
| bool mTunneled; |
| TunnelPeekState mTunnelPeekState; |
| |
| sp<IDescrambler> mDescrambler; |
| |
| List<sp<ABuffer> > mCSD; |
| |
| sp<AMessage> mActivityNotify; |
| |
| bool mHaveInputSurface; |
| bool mHavePendingInputBuffers; |
| bool mCpuBoostRequested; |
| |
| std::shared_ptr<BufferChannelBase> mBufferChannel; |
| |
| PlaybackDurationAccumulator * mPlaybackDurationAccumulator; |
| bool mIsSurfaceToScreen; |
| |
| MediaCodec( |
| const sp<ALooper> &looper, pid_t pid, uid_t uid, |
| std::function<sp<CodecBase>(const AString &, const char *)> getCodecBase = nullptr, |
| std::function<status_t(const AString &, sp<MediaCodecInfo> *)> getCodecInfo = nullptr); |
| |
| static sp<CodecBase> GetCodecBase(const AString &name, const char *owner = nullptr); |
| |
| static status_t PostAndAwaitResponse( |
| const sp<AMessage> &msg, sp<AMessage> *response); |
| |
| void PostReplyWithError(const sp<AMessage> &msg, int32_t err); |
| void PostReplyWithError(const sp<AReplyToken> &replyID, int32_t err); |
| |
| status_t init(const AString &name); |
| |
| void setState(State newState); |
| void returnBuffersToCodec(bool isReclaim = false); |
| void returnBuffersToCodecOnPort(int32_t portIndex, bool isReclaim = false); |
| size_t updateBuffers(int32_t portIndex, const sp<AMessage> &msg); |
| status_t onQueueInputBuffer(const sp<AMessage> &msg); |
| status_t onReleaseOutputBuffer(const sp<AMessage> &msg); |
| BufferInfo *peekNextPortBuffer(int32_t portIndex); |
| ssize_t dequeuePortBuffer(int32_t portIndex); |
| |
| status_t getBufferAndFormat( |
| size_t portIndex, size_t index, |
| sp<MediaCodecBuffer> *buffer, sp<AMessage> *format); |
| |
| bool handleDequeueInputBuffer(const sp<AReplyToken> &replyID, bool newRequest = false); |
| bool handleDequeueOutputBuffer(const sp<AReplyToken> &replyID, bool newRequest = false); |
| void cancelPendingDequeueOperations(); |
| |
| void extractCSD(const sp<AMessage> &format); |
| status_t queueCSDInputBuffer(size_t bufferIndex); |
| |
| status_t handleSetSurface(const sp<Surface> &surface); |
| status_t connectToSurface(const sp<Surface> &surface); |
| status_t disconnectFromSurface(); |
| |
| bool hasCryptoOrDescrambler() { |
| return mCrypto != NULL || mDescrambler != NULL; |
| } |
| |
| void postActivityNotificationIfPossible(); |
| |
| void onInputBufferAvailable(); |
| void onOutputBufferAvailable(); |
| void onError(status_t err, int32_t actionCode, const char *detail = NULL); |
| void onOutputFormatChanged(); |
| |
| status_t onSetParameters(const sp<AMessage> ¶ms); |
| |
| status_t amendOutputFormatWithCodecSpecificData(const sp<MediaCodecBuffer> &buffer); |
| void handleOutputFormatChangeIfNeeded(const sp<MediaCodecBuffer> &buffer); |
| bool isExecuting() const; |
| |
| uint64_t getGraphicBufferSize(); |
| void requestCpuBoostIfNeeded(); |
| |
| bool hasPendingBuffer(int portIndex); |
| bool hasPendingBuffer(); |
| |
| void postPendingRepliesAndDeferredMessages(std::string origin, status_t err = OK); |
| void postPendingRepliesAndDeferredMessages(std::string origin, const sp<AMessage> &response); |
| |
| /* called to get the last codec error when the sticky flag is set. |
| * if no such codec error is found, returns UNKNOWN_ERROR. |
| */ |
| inline status_t getStickyError() const { |
| return mStickyError != 0 ? mStickyError : UNKNOWN_ERROR; |
| } |
| |
| inline void setStickyError(status_t err) { |
| mFlags |= kFlagStickyError; |
| mStickyError = err; |
| } |
| |
| void onReleaseCrypto(const sp<AMessage>& msg); |
| |
| // managing time-of-flight aka latency |
| typedef struct { |
| int64_t presentationUs; |
| int64_t startedNs; |
| } BufferFlightTiming_t; |
| std::deque<BufferFlightTiming_t> mBuffersInFlight; |
| Mutex mLatencyLock; |
| int64_t mLatencyUnknown; // buffers for which we couldn't calculate latency |
| |
| Mutex mOutputStatsLock; |
| int64_t mBytesEncoded = 0; |
| int64_t mEarliestEncodedPtsUs = INT64_MAX; |
| int64_t mLatestEncodedPtsUs = INT64_MIN; |
| int64_t mFramesEncoded = 0; |
| int64_t mBytesInput = 0; |
| int64_t mFramesInput = 0; |
| |
| int64_t mNumLowLatencyEnables; // how many times low latency mode is enabled |
| int64_t mNumLowLatencyDisables; // how many times low latency mode is disabled |
| bool mIsLowLatencyModeOn; // is low latency mode on currently |
| int64_t mIndexOfFirstFrameWhenLowLatencyOn; // index of the first frame queued |
| // when low latency is on |
| int64_t mInputBufferCounter; // number of input buffers queued since last reset/flush |
| |
| class ReleaseSurface; |
| std::unique_ptr<ReleaseSurface> mReleaseSurface; |
| |
| std::list<sp<AMessage>> mLeftover; |
| status_t handleLeftover(size_t index); |
| |
| sp<BatteryChecker> mBatteryChecker; |
| |
| void statsBufferSent(int64_t presentationUs, const sp<MediaCodecBuffer> &buffer); |
| void statsBufferReceived(int64_t presentationUs, const sp<MediaCodecBuffer> &buffer); |
| |
| enum { |
| // the default shape of our latency histogram buckets |
| // XXX: should these be configurable in some way? |
| kLatencyHistBuckets = 20, |
| kLatencyHistWidth = 2000, |
| kLatencyHistFloor = 2000, |
| |
| // how many samples are in the 'recent latency' histogram |
| // 300 frames = 5 sec @ 60fps or ~12 sec @ 24fps |
| kRecentLatencyFrames = 300, |
| |
| // how we initialize mRecentSamples |
| kRecentSampleInvalid = -1, |
| }; |
| |
| int64_t mRecentSamples[kRecentLatencyFrames]; |
| int mRecentHead; |
| Mutex mRecentLock; |
| |
| class Histogram { |
| public: |
| Histogram() : mFloor(0), mWidth(0), mBelow(0), mAbove(0), |
| mMin(INT64_MAX), mMax(INT64_MIN), mSum(0), mCount(0), |
| mBucketCount(0), mBuckets(NULL) {}; |
| ~Histogram() { clear(); }; |
| void clear() { if (mBuckets != NULL) free(mBuckets); mBuckets = NULL; }; |
| bool setup(int nbuckets, int64_t width, int64_t floor = 0); |
| void insert(int64_t sample); |
| int64_t getMin() const { return mMin; } |
| int64_t getMax() const { return mMax; } |
| int64_t getCount() const { return mCount; } |
| int64_t getSum() const { return mSum; } |
| int64_t getAvg() const { return mSum / (mCount == 0 ? 1 : mCount); } |
| std::string emit(); |
| private: |
| int64_t mFloor, mCeiling, mWidth; |
| int64_t mBelow, mAbove; |
| int64_t mMin, mMax, mSum, mCount; |
| |
| int mBucketCount; |
| int64_t *mBuckets; |
| }; |
| |
| Histogram mLatencyHist; |
| |
| std::function<sp<CodecBase>(const AString &, const char *)> mGetCodecBase; |
| std::function<status_t(const AString &, sp<MediaCodecInfo> *)> mGetCodecInfo; |
| friend class MediaTestHelper; |
| |
| DISALLOW_EVIL_CONSTRUCTORS(MediaCodec); |
| }; |
| |
| } // namespace android |
| |
| #endif // MEDIA_CODEC_H_ |
