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  • Camera源码解析

     //存储路径uri的获得
    1
    Intent intent = getIntent(); 2 Bundle myExtras = intent.getExtras(); 3 4 long requestedSizeLimit = 0; 5 if (mIsVideoCaptureIntent && myExtras != null) { 6 Uri saveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); 7 Log.e(TAG, saveUri.toString()); 8 if (saveUri != null) { 9 try { 10 mCameraVideoFileDescriptor = mContentResolver 11 .openFileDescriptor(saveUri, "rw") 12 .getFileDescriptor(); 13 14 Log.e(TAG, mCameraVideoFileDescriptor.toString()); 15 mCurrentVideoUri = saveUri; 16 } catch (java.io.FileNotFoundException ex) { 17 // invalid uri 18 Log.e(TAG, ex.toString()); 19 } 20 } 21 requestedSizeLimit = myExtras.getLong(MediaStore.EXTRA_SIZE_LIMIT); 22 } 23 mMediaRecorder = new MediaRecorder(); 24 25 mMediaRecorder.setCamera(mCameraDevice); 26 mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC); 27 mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA); 28 mMediaRecorder.setProfile(mProfile); 29 mMediaRecorder.setMaxDuration(mMaxVideoDurationInMs); 30 31 // Set output file. 32 if (mStorageStatus != STORAGE_STATUS_OK) { 33 Log.e(TAG, "1"); 34 mMediaRecorder.setOutputFile("/dev/null"); 35 } else { 36 // Try Uri in the intent first. If it doesn't exist, use our own 37 // instead. 38 Log.e(TAG, "2"); 39 if (mCameraVideoFileDescriptor != null) { 40 Log.e(TAG, "3"); 41 mMediaRecorder.setOutputFile(mCameraVideoFileDescriptor); 42 } else { 43 createVideoPath(); 44 Log.e(TAG, "4"); 45 mMediaRecorder.setOutputFile(mCameraVideoFilename); 46 } 47 }

    android系统相机源码下载地址:https://files.cnblogs.com/qinghuaideren/Camera.rar
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  • 原文地址:https://www.cnblogs.com/qinghuaideren/p/3028687.html
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