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      1 /*
      2  * Copyright (C) 2009 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 STAGEFRIGHT_RECORDER_H_
     18 
     19 #define STAGEFRIGHT_RECORDER_H_
     20 
     21 #include <media/MediaAnalyticsItem.h>
     22 #include <media/MediaRecorderBase.h>
     23 #include <camera/CameraParameters.h>
     24 #include <utils/String8.h>
     25 
     26 #include <system/audio.h>
     27 
     28 #include <media/hardware/MetadataBufferType.h>
     29 
     30 namespace android {
     31 
     32 class Camera;
     33 class ICameraRecordingProxy;
     34 class CameraSource;
     35 class CameraSourceTimeLapse;
     36 struct MediaCodecSource;
     37 struct MediaSource;
     38 struct MediaWriter;
     39 class MetaData;
     40 struct AudioSource;
     41 class MediaProfiles;
     42 struct ALooper;
     43 
     44 struct StagefrightRecorder : public MediaRecorderBase {
     45     explicit StagefrightRecorder(const String16 &opPackageName);
     46     virtual ~StagefrightRecorder();
     47     virtual status_t init();
     48     virtual status_t setAudioSource(audio_source_t as);
     49     virtual status_t setVideoSource(video_source vs);
     50     virtual status_t setOutputFormat(output_format of);
     51     virtual status_t setAudioEncoder(audio_encoder ae);
     52     virtual status_t setVideoEncoder(video_encoder ve);
     53     virtual status_t setVideoSize(int width, int height);
     54     virtual status_t setVideoFrameRate(int frames_per_second);
     55     virtual status_t setCamera(const sp<hardware::ICamera>& camera, const sp<ICameraRecordingProxy>& proxy);
     56     virtual status_t setPreviewSurface(const sp<IGraphicBufferProducer>& surface);
     57     virtual status_t setInputSurface(const sp<PersistentSurface>& surface);
     58     virtual status_t setOutputFile(int fd);
     59     virtual status_t setNextOutputFile(int fd);
     60     virtual status_t setParameters(const String8 &params);
     61     virtual status_t setListener(const sp<IMediaRecorderClient> &listener);
     62     virtual status_t setClientName(const String16 &clientName);
     63     virtual status_t prepare();
     64     virtual status_t start();
     65     virtual status_t pause();
     66     virtual status_t resume();
     67     virtual status_t stop();
     68     virtual status_t close();
     69     virtual status_t reset();
     70     virtual status_t getMaxAmplitude(int *max);
     71     virtual status_t getMetrics(Parcel *reply);
     72     virtual status_t dump(int fd, const Vector<String16> &args) const;
     73     // Querying a SurfaceMediaSourcer
     74     virtual sp<IGraphicBufferProducer> querySurfaceMediaSource() const;
     75     virtual status_t setInputDevice(audio_port_handle_t deviceId);
     76     virtual status_t getRoutedDeviceId(audio_port_handle_t* deviceId);
     77     virtual void setAudioDeviceCallback(const sp<AudioSystem::AudioDeviceCallback>& callback);
     78     virtual status_t enableAudioDeviceCallback(bool enabled);
     79     virtual status_t getActiveMicrophones(std::vector<media::MicrophoneInfo>* activeMicrophones);
     80 
     81 
     82 private:
     83     mutable Mutex mLock;
     84     sp<hardware::ICamera> mCamera;
     85     sp<ICameraRecordingProxy> mCameraProxy;
     86     sp<IGraphicBufferProducer> mPreviewSurface;
     87     sp<PersistentSurface> mPersistentSurface;
     88     sp<IMediaRecorderClient> mListener;
     89     String16 mClientName;
     90     uid_t mClientUid;
     91     pid_t mClientPid;
     92     sp<MediaWriter> mWriter;
     93     int mOutputFd;
     94     sp<AudioSource> mAudioSourceNode;
     95 
     96     MediaAnalyticsItem *mAnalyticsItem;
     97     bool mAnalyticsDirty;
     98     void flushAndResetMetrics(bool reinitialize);
     99     void updateMetrics();
    100 
    101     audio_source_t mAudioSource;
    102     video_source mVideoSource;
    103     output_format mOutputFormat;
    104     audio_encoder mAudioEncoder;
    105     video_encoder mVideoEncoder;
    106     bool mUse64BitFileOffset;
    107     int32_t mVideoWidth, mVideoHeight;
    108     int32_t mFrameRate;
    109     int32_t mVideoBitRate;
    110     int32_t mAudioBitRate;
    111     int32_t mAudioChannels;
    112     int32_t mSampleRate;
    113     int32_t mInterleaveDurationUs;
    114     int32_t mIFramesIntervalSec;
    115     int32_t mCameraId;
    116     int32_t mVideoEncoderProfile;
    117     int32_t mVideoEncoderLevel;
    118     int32_t mMovieTimeScale;
    119     int32_t mVideoTimeScale;
    120     int32_t mAudioTimeScale;
    121     int64_t mMaxFileSizeBytes;
    122     int64_t mMaxFileDurationUs;
    123     int64_t mTrackEveryTimeDurationUs;
    124     int32_t mRotationDegrees;  // Clockwise
    125     int32_t mLatitudex10000;
    126     int32_t mLongitudex10000;
    127     int32_t mStartTimeOffsetMs;
    128     int32_t mTotalBitRate;
    129 
    130     int64_t mDurationRecordedUs;
    131     int64_t mStartedRecordingUs;
    132     int64_t mDurationPausedUs;
    133     int32_t mNPauses;
    134 
    135     bool mCaptureFpsEnable;
    136     double mCaptureFps;
    137     int64_t mTimeBetweenCaptureUs;
    138     sp<CameraSourceTimeLapse> mCameraSourceTimeLapse;
    139 
    140     String8 mParams;
    141 
    142     MetadataBufferType mMetaDataStoredInVideoBuffers;
    143     MediaProfiles *mEncoderProfiles;
    144 
    145     int64_t mPauseStartTimeUs;
    146     int64_t mTotalPausedDurationUs;
    147     sp<MediaCodecSource> mAudioEncoderSource;
    148     sp<MediaCodecSource> mVideoEncoderSource;
    149 
    150     bool mStarted;
    151     // Needed when GLFrames are encoded.
    152     // An <IGraphicBufferProducer> pointer
    153     // will be sent to the client side using which the
    154     // frame buffers will be queued and dequeued
    155     sp<IGraphicBufferProducer> mGraphicBufferProducer;
    156     sp<ALooper> mLooper;
    157 
    158     audio_port_handle_t mSelectedDeviceId;
    159     bool mDeviceCallbackEnabled;
    160     wp<AudioSystem::AudioDeviceCallback> mAudioDeviceCallback;
    161 
    162     static const int kMaxHighSpeedFps = 1000;
    163 
    164     status_t prepareInternal();
    165     status_t setupMPEG4orWEBMRecording();
    166     void setupMPEG4orWEBMMetaData(sp<MetaData> *meta);
    167     status_t setupAMRRecording();
    168     status_t setupAACRecording();
    169     status_t setupRawAudioRecording();
    170     status_t setupRTPRecording();
    171     status_t setupMPEG2TSRecording();
    172     sp<MediaCodecSource> createAudioSource();
    173     status_t checkVideoEncoderCapabilities();
    174     status_t checkAudioEncoderCapabilities();
    175     // Generic MediaSource set-up. Returns the appropriate
    176     // source (CameraSource or SurfaceMediaSource)
    177     // depending on the videosource type
    178     status_t setupMediaSource(sp<MediaSource> *mediaSource);
    179     status_t setupCameraSource(sp<CameraSource> *cameraSource);
    180     status_t setupAudioEncoder(const sp<MediaWriter>& writer);
    181     status_t setupVideoEncoder(const sp<MediaSource>& cameraSource, sp<MediaCodecSource> *source);
    182 
    183     // Encoding parameter handling utilities
    184     status_t setParameter(const String8 &key, const String8 &value);
    185     status_t setParamAudioEncodingBitRate(int32_t bitRate);
    186     status_t setParamAudioNumberOfChannels(int32_t channles);
    187     status_t setParamAudioSamplingRate(int32_t sampleRate);
    188     status_t setParamAudioTimeScale(int32_t timeScale);
    189     status_t setParamCaptureFpsEnable(int32_t timeLapseEnable);
    190     status_t setParamCaptureFps(double fps);
    191     status_t setParamVideoEncodingBitRate(int32_t bitRate);
    192     status_t setParamVideoIFramesInterval(int32_t seconds);
    193     status_t setParamVideoEncoderProfile(int32_t profile);
    194     status_t setParamVideoEncoderLevel(int32_t level);
    195     status_t setParamVideoCameraId(int32_t cameraId);
    196     status_t setParamVideoTimeScale(int32_t timeScale);
    197     status_t setParamVideoRotation(int32_t degrees);
    198     status_t setParamTrackTimeStatus(int64_t timeDurationUs);
    199     status_t setParamInterleaveDuration(int32_t durationUs);
    200     status_t setParam64BitFileOffset(bool use64BitFileOffset);
    201     status_t setParamMaxFileDurationUs(int64_t timeUs);
    202     status_t setParamMaxFileSizeBytes(int64_t bytes);
    203     status_t setParamMovieTimeScale(int32_t timeScale);
    204     status_t setParamGeoDataLongitude(int64_t longitudex10000);
    205     status_t setParamGeoDataLatitude(int64_t latitudex10000);
    206     void clipVideoBitRate();
    207     void clipVideoFrameRate();
    208     void clipVideoFrameWidth();
    209     void clipVideoFrameHeight();
    210     void clipAudioBitRate();
    211     void clipAudioSampleRate();
    212     void clipNumberOfAudioChannels();
    213     void setDefaultProfileIfNecessary();
    214     void setDefaultVideoEncoderIfNecessary();
    215 
    216 
    217     StagefrightRecorder(const StagefrightRecorder &);
    218     StagefrightRecorder &operator=(const StagefrightRecorder &);
    219 };
    220 
    221 }  // namespace android
    222 
    223 #endif  // STAGEFRIGHT_RECORDER_H_
    224