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* Copyright (C) 2019 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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
#include <queue>
#include <gui/IProducerListener.h>
#include <gui/CpuConsumer.h>
#include <media/hardware/VideoAPI.h>
#include <media/MediaCodecBuffer.h>
#include <media/stagefright/foundation/ALooper.h>
#include <media/stagefright/foundation/AMessage.h>
#include <media/stagefright/MediaCodec.h>
#include <media/stagefright/MediaMuxer.h>
#include "CompositeStream.h"
namespace android {
namespace camera3 {
class HeicCompositeStream : public CompositeStream, public Thread,
public CpuConsumer::FrameAvailableListener {
HeicCompositeStream(sp<CameraDeviceBase> device,
wp<hardware::camera2::ICameraDeviceCallbacks> cb);
~HeicCompositeStream() override;
static bool isHeicCompositeStream(const sp<Surface> &surface);
status_t createInternalStreams(const std::vector<sp<Surface>>& consumers,
bool hasDeferredConsumer, uint32_t width, uint32_t height, int format,
camera_stream_rotation_t rotation, int *id, const std::string& physicalCameraId,
const std::unordered_set<int32_t> &sensorPixelModesUsed,
std::vector<int> *surfaceIds, int streamSetId, bool isShared, int32_t colorSpace,
int64_t dynamicProfile, int64_t streamUseCase, bool useReadoutTimestamp) override;
status_t deleteInternalStreams() override;
status_t configureStream() override;
status_t insertGbp(SurfaceMap* /*out*/outSurfaceMap, Vector<int32_t>* /*out*/outputStreamIds,
int32_t* /*out*/currentStreamId) override;
status_t insertCompositeStreamIds(std::vector<int32_t>* compositeStreamIds /*out*/) override;
void onShutter(const CaptureResultExtras& resultExtras, nsecs_t timestamp) override;
int getStreamId() override { return mMainImageStreamId; }
// Use onShutter to keep track of frame number <-> timestamp mapping.
void onBufferReleased(const BufferInfo& bufferInfo) override;
void onBufferRequestForFrameNumber(uint64_t frameNumber, int streamId,
const CameraMetadata& settings) override;
// CpuConsumer listener implementation
void onFrameAvailable(const BufferItem& item) override;
// Return stream information about the internal camera streams
static status_t getCompositeStreamInfo(const OutputStreamInfo &streamInfo,
const CameraMetadata& ch, std::vector<OutputStreamInfo>* compositeOutput /*out*/);
// Get composite stream stats
void getStreamStats(hardware::CameraStreamStats*) override {};
static bool isSizeSupportedByHeifEncoder(int32_t width, int32_t height,
bool* useHeic, bool* useGrid, int64_t* stall, AString* hevcName = nullptr);
static bool isInMemoryTempFileSupported();
bool threadLoop() override;
bool onStreamBufferError(const CaptureResultExtras& resultExtras) override;
void onResultError(const CaptureResultExtras& resultExtras) override;
void onRequestError(const CaptureResultExtras& resultExtras) override;
// HEIC/HEVC Codec related structures, utility functions, and callbacks
struct CodecOutputBufferInfo {
int32_t index;
int32_t offset;
int32_t size;
int64_t timeUs;
uint32_t flags;
struct CodecInputBufferInfo {
int32_t index;
int64_t timeUs;
size_t tileIndex;
class CodecCallbackHandler : public AHandler {
explicit CodecCallbackHandler(wp<HeicCompositeStream> parent) {
mParent = parent;
virtual void onMessageReceived(const sp<AMessage> &msg);
wp<HeicCompositeStream> mParent;
enum {
bool mUseHeic;
sp<MediaCodec> mCodec;
sp<ALooper> mCodecLooper, mCallbackLooper;
sp<CodecCallbackHandler> mCodecCallbackHandler;
sp<AMessage> mAsyncNotify;
sp<AMessage> mFormat;
size_t mNumOutputTiles;
int32_t mOutputWidth, mOutputHeight;
size_t mMaxHeicBufferSize;
int32_t mGridWidth, mGridHeight;
size_t mGridRows, mGridCols;
bool mUseGrid; // Whether to use framework YUV frame tiling.
static const int64_t kNoFrameDropMaxPtsGap = -1000000;
static const int32_t kNoGridOpRate = 30;
static const int32_t kGridOpRate = 120;
void onHeicOutputFrameAvailable(const CodecOutputBufferInfo& bufferInfo);
void onHeicInputFrameAvailable(int32_t index); // Only called for YUV input mode.
void onHeicFormatChanged(sp<AMessage>& newFormat);
void onHeicCodecError();
status_t initializeCodec(uint32_t width, uint32_t height,
const sp<CameraDeviceBase>& cameraDevice);
void deinitCodec();
// Composite stream related structures, utility functions and callbacks.
struct InputFrame {
int32_t orientation;
int32_t quality;
CpuConsumer::LockedBuffer appSegmentBuffer;
std::vector<CodecOutputBufferInfo> codecOutputBuffers;
std::unique_ptr<CameraMetadata> result;
// Fields that are only applicable to HEVC tiling.
CpuConsumer::LockedBuffer yuvBuffer;
std::vector<CodecInputBufferInfo> codecInputBuffers;
bool error; // Main input image buffer error
bool exifError; // Exif/APP_SEGMENT buffer error
int64_t timestamp;
int32_t requestId;
sp<AMessage> format;
sp<MediaMuxer> muxer;
int fenceFd;
int fileFd;
ssize_t trackIndex;
ANativeWindowBuffer *anb;
bool appSegmentWritten;
size_t pendingOutputTiles;
size_t codecInputCounter;
InputFrame() : orientation(0), quality(kDefaultJpegQuality), error(false),
exifError(false), timestamp(-1), requestId(-1), fenceFd(-1),
fileFd(-1), trackIndex(-1), anb(nullptr), appSegmentWritten(false),
pendingOutputTiles(0), codecInputCounter(0) { }
void compilePendingInputLocked();
// Find first complete and valid frame with smallest frame number
bool getNextReadyInputLocked(int64_t *frameNumber /*out*/);
// Find next failing frame number with smallest frame number and return respective frame number
int64_t getNextFailingInputLocked();
status_t processInputFrame(int64_t frameNumber, InputFrame &inputFrame);
status_t processCodecInputFrame(InputFrame &inputFrame);
status_t startMuxerForInputFrame(int64_t frameNumber, InputFrame &inputFrame);
status_t processAppSegment(int64_t frameNumber, InputFrame &inputFrame);
status_t processOneCodecOutputFrame(int64_t frameNumber, InputFrame &inputFrame);
status_t processCompletedInputFrame(int64_t frameNumber, InputFrame &inputFrame);
void releaseInputFrameLocked(int64_t frameNumber, InputFrame *inputFrame /*out*/);
void releaseInputFramesLocked();
size_t findAppSegmentsSize(const uint8_t* appSegmentBuffer, size_t maxSize,
size_t* app1SegmentSize);
status_t copyOneYuvTile(sp<MediaCodecBuffer>& codecBuffer,
const CpuConsumer::LockedBuffer& yuvBuffer,
size_t top, size_t left, size_t width, size_t height);
void initCopyRowFunction(int32_t width);
static size_t calcAppSegmentMaxSize(const CameraMetadata& info);
void updateCodecQualityLocked(int32_t quality);
static const nsecs_t kWaitDuration = 10000000; // 10 ms
static const int32_t kDefaultJpegQuality = 99;
static const auto kJpegDataSpace = HAL_DATASPACE_V0_JFIF;
static const android_dataspace kAppSegmentDataSpace =
static const android_dataspace kHeifDataSpace =
// Use the limit of pipeline depth in the API sepc as maximum number of acquired
// app segment buffers.
static const uint32_t kMaxAcquiredAppSegment = 8;
int mAppSegmentStreamId, mAppSegmentSurfaceId;
sp<CpuConsumer> mAppSegmentConsumer;
sp<Surface> mAppSegmentSurface;
size_t mAppSegmentMaxSize;
std::queue<int64_t> mAppSegmentFrameNumbers;
CameraMetadata mStaticInfo;
int mMainImageStreamId, mMainImageSurfaceId;
sp<Surface> mMainImageSurface;
sp<CpuConsumer> mMainImageConsumer; // Only applicable for HEVC codec.
bool mYuvBufferAcquired; // Only applicable to HEVC codec
std::queue<int64_t> mMainImageFrameNumbers;
static const int32_t kMaxOutputSurfaceProducerCount = 1;
sp<Surface> mOutputSurface;
sp<ProducerListener> mProducerListener;
int32_t mDequeuedOutputBufferCnt;
// Map from frame number to JPEG setting of orientation+quality
struct HeicSettings {
int32_t orientation;
int32_t quality;
int64_t timestamp;
int32_t requestId;
bool shutterNotified;
HeicSettings() : orientation(0), quality(95), timestamp(0),
requestId(-1), shutterNotified(false) {}
HeicSettings(int32_t _orientation, int32_t _quality) :
quality(_quality), timestamp(0),
requestId(-1), shutterNotified(false) {}
std::map<int64_t, HeicSettings> mSettingsByFrameNumber;
// Keep all incoming APP segment Blob buffer pending further processing.
std::vector<int64_t> mInputAppSegmentBuffers;
// Keep all incoming HEIC blob buffer pending further processing.
std::vector<CodecOutputBufferInfo> mCodecOutputBuffers;
std::queue<int64_t> mCodecOutputBufferFrameNumbers;
size_t mCodecOutputCounter;
int32_t mQuality;
// Keep all incoming Yuv buffer pending tiling and encoding (for HEVC YUV tiling only)
std::vector<int64_t> mInputYuvBuffers;
// Keep all codec input buffers ready to be filled out (for HEVC YUV tiling only)
std::vector<int32_t> mCodecInputBuffers;
// Artificial strictly incremental YUV grid timestamp to make encoder happy.
int64_t mGridTimestampUs;
// Indexed by frame number. In most common use case, entries are accessed in order.
std::map<int64_t, InputFrame> mPendingInputFrames;
// Function pointer of libyuv row copy.
void (*mFnCopyRow)(const uint8_t* src, uint8_t* dst, int width);
// A set of APP_SEGMENT error frame numbers
std::set<int64_t> mExifErrorFrameNumbers;
void flagAnExifErrorFrameNumber(int64_t frameNumber);
// The status id for tracking the active/idle status of this composite stream
int mStatusId;
void markTrackerIdle();
}; // namespace camera3
}; // namespace android