Camera源码解析

来源：互联网发布：sql字段追加内容编辑：程序博客网时间：2024/06/14 03:16
 //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 = mContentResolver11                             .openFileDescriptor(saveUri, "rw")12                             .getFileDescriptor();13 14                     Log.e(TAG, mCameraVideoFileDescriptor.toString());15                     mCurrentVideoUri = saveUri;16                 } catch (java.io.FileNotFoundException ex) {17                     // invalid uri18                     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 own37             // 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：http://files.cnblogs.com/qinghuaideren/Camera.rar
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