List of usage examples for android.media MediaMetadataRetriever getFrameAtTime
public Bitmap getFrameAtTime(long timeUs, @Option int option)
From source file:Main.java
public static Bitmap getVideoFrame(String videoPath, long frameTime) { MediaMetadataRetriever retriever = new MediaMetadataRetriever(); try {/*from ww w .j a v a 2s . co m*/ retriever.setDataSource(videoPath); return retriever.getFrameAtTime(frameTime, MediaMetadataRetriever.OPTION_CLOSEST); } catch (IllegalArgumentException ex) { Log.w("FFMPEG.MediaUtils", "illegal argument exception"); } catch (RuntimeException ex) { Log.w("FFMPEG.MediaUtils", "error getting video frame"); } finally { try { retriever.release(); } catch (RuntimeException ex) { } } return null; }
From source file:com.univpm.s1055802.faceplusplustester.Detect.AcquireVideo.java
/** * Estrae un frame per ogni secondo del video e li salva sul dispositivo * @param uri uri della cartella dove salvare i frames *//*from w w w.j ava 2 s . co m*/ private void captureFrames(Uri uri) { String filePath = FileUtils.getPath(getApplicationContext(), uri); File video = new File(filePath); MediaMetadataRetriever retriever = new MediaMetadataRetriever(); try { retriever.setDataSource(filePath); double duration = Double .parseDouble(retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION)); Log.v("duration", String.valueOf(duration)); int timeSkip = 1000000; for (int i = 0; i < duration * 1000; i = i + timeSkip) { File img = null; try { img = new File(framesDir, "Frame_" + String.valueOf(i / timeSkip) + ".jpg"); OutputStream fOut = null; fOut = new FileOutputStream(img); Bitmap imgBmp = retriever.getFrameAtTime(i, MediaMetadataRetriever.OPTION_NEXT_SYNC); imgBmp.compress(Bitmap.CompressFormat.JPEG, 85, fOut); fOut.flush(); fOut.close(); } catch (IOException e) { e.printStackTrace(); } } } catch (IllegalArgumentException ex) { ex.printStackTrace(); } catch (RuntimeException ex) { ex.printStackTrace(); } finally { try { retriever.release(); } catch (RuntimeException ex) { } } }
From source file:com.aimfire.gallery.service.MovieProcessor.java
@Override protected void onHandleIntent(Intent intent) { /*//from w w w .j a v a2 s . c o m * Obtain the FirebaseAnalytics instance. */ mFirebaseAnalytics = FirebaseAnalytics.getInstance(this); boolean[] result = new boolean[] { false, false }; String previewPath = null; String thumbPath = null; String configPath = null; String convertFilePath = null; String exportL = MainConsts.MEDIA_3D_RAW_PATH + "L.png"; String exportR = MainConsts.MEDIA_3D_RAW_PATH + "R.png"; Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); Bundle extras = intent.getExtras(); if (extras == null) { if (BuildConfig.DEBUG) Log.e(TAG, "onHandleIntent: error, wrong parameter"); FirebaseCrash.report(new Exception("onHandleIntent: error, wrong parameter")); return; } String filePathL = extras.getString("lname"); String filePathR = extras.getString("rname"); String cvrNameNoExt = MediaScanner.getProcessedCvrName((new File(filePathL)).getName()); if (BuildConfig.DEBUG) Log.d(TAG, "onHandleIntent:left file=" + filePathL + ", right file=" + filePathR); String creatorName = extras.getString("creator"); String creatorPhotoUrl = extras.getString("photo"); float scale = extras.getFloat(MainConsts.EXTRA_SCALE); /* * if left/right videos were taken using front facing camera, * they need to be swapped when generating sbs */ int facing = extras.getInt(MainConsts.EXTRA_FACING); boolean isFrontCamera = (facing == Camera.CameraInfo.CAMERA_FACING_FRONT) ? true : false; MediaMetadataRetriever retriever = new MediaMetadataRetriever(); Bitmap bitmapL = null; Bitmap bitmapR = null; long frameTime = FIRST_KEYFRAME_TIME_US; if (BuildConfig.DEBUG) Log.d(TAG, "extract frame from left at " + frameTime / 1000 + "ms"); try { long startUs = SystemClock.elapsedRealtimeNanos() / 1000; FileInputStream inputStreamL = new FileInputStream(filePathL); retriever.setDataSource(inputStreamL.getFD()); inputStreamL.close(); bitmapL = retriever.getFrameAtTime(frameTime, MediaMetadataRetriever.OPTION_CLOSEST_SYNC); FileInputStream inputStreamR = new FileInputStream(filePathR); retriever.setDataSource(inputStreamR.getFD()); inputStreamR.close(); bitmapR = retriever.getFrameAtTime(frameTime, MediaMetadataRetriever.OPTION_CLOSEST_SYNC); retriever.release(); long stopUs = SystemClock.elapsedRealtimeNanos() / 1000; if (BuildConfig.DEBUG) Log.d(TAG, "retrieving preview frames took " + (stopUs - startUs) / 1000 + "ms"); if ((bitmapL != null) && (bitmapR != null)) { saveFrame(bitmapL, exportL); saveFrame(bitmapR, exportR); } else { reportError(MediaScanner.getProcessedCvrPath((new File(filePathL)).getName()), ERROR_EXTRACT_SYNC_FRAME_ERROR); return; } previewPath = MainConsts.MEDIA_3D_THUMB_PATH + cvrNameNoExt + ".jpeg"; result = p.getInstance().f1(exportL, exportR, previewPath, scale, isFrontCamera); } catch (Exception ex) { retriever.release(); reportError(MediaScanner.getProcessedCvrPath((new File(filePathL)).getName()), ERROR_EXTRACT_SYNC_FRAME_EXCEPTION); return; } if (!result[0]) { reportError(MediaScanner.getProcessedCvrPath((new File(filePathL)).getName()), ERROR_EXTRACT_SIMILARITY_MATRIX); File leftFrom = (new File(filePathL)); File rightFrom = (new File(filePathR)); File leftExportFrom = (new File(exportL)); File rightExportFrom = (new File(exportR)); if (!BuildConfig.DEBUG) { leftFrom.delete(); rightFrom.delete(); leftExportFrom.delete(); rightExportFrom.delete(); } else { File leftTo = new File(MainConsts.MEDIA_3D_DEBUG_PATH + leftFrom.getName()); File rightTo = new File(MainConsts.MEDIA_3D_DEBUG_PATH + rightFrom.getName()); leftFrom.renameTo(leftTo); rightFrom.renameTo(rightTo); File leftExportTo = new File(MainConsts.MEDIA_3D_DEBUG_PATH + leftExportFrom.getName()); File rightExportTo = new File(MainConsts.MEDIA_3D_DEBUG_PATH + rightExportFrom.getName()); leftExportFrom.renameTo(leftExportTo); rightExportFrom.renameTo(rightExportTo); } } else { double[] similarityMat = p.getInstance().g(); String configData = similarityMat[0] + " " + similarityMat[1] + " " + similarityMat[2] + " " + similarityMat[3] + " " + similarityMat[4] + " " + similarityMat[5]; if (result[1]) { convertFilePath = filePathR; } else { convertFilePath = filePathL; } configPath = createConfigFile(convertFilePath, configData); /* * save the thumbnail */ if (bitmapL != null) { thumbPath = MainConsts.MEDIA_3D_THUMB_PATH + cvrNameNoExt + ".jpg"; saveThumbnail(bitmapL, thumbPath); MediaScanner.insertExifInfo(thumbPath, "name=" + creatorName + "photourl=" + creatorPhotoUrl); } createZipFile(filePathL, filePathR, configPath, thumbPath, previewPath); /* * let CamcorderActivity know we are done. */ reportResult(MediaScanner.getProcessedCvrPath((new File(filePathL)).getName())); } /* * paranoia */ if (bitmapL != null) { bitmapL.recycle(); } if (bitmapR != null) { bitmapR.recycle(); } (new File(exportL)).delete(); (new File(exportR)).delete(); }
From source file:com.aimfire.demo.CamcorderActivity.java
private void generateThumbAndPreview(String filePath) { if (BuildConfig.DEBUG) Log.d(TAG, "generateThumbAndPreview"); String movieNameNoExt = MediaScanner.getMovieNameNoExt(filePath); String previewPath = MainConsts.MEDIA_3D_THUMB_PATH + movieNameNoExt + ".jpeg"; String thumbPath = MainConsts.MEDIA_3D_THUMB_PATH + movieNameNoExt + ".jpg"; MediaMetadataRetriever retriever = new MediaMetadataRetriever(); Bitmap bitmap = null;//from ww w . j a v a 2 s.c om try { FileInputStream inputStream = new FileInputStream(filePath); retriever.setDataSource(inputStream.getFD()); inputStream.close(); bitmap = retriever.getFrameAtTime(0L, MediaMetadataRetriever.OPTION_CLOSEST_SYNC); retriever.release(); if (bitmap != null) { FileOutputStream out = null; out = new FileOutputStream(previewPath); bitmap.compress(Bitmap.CompressFormat.JPEG, 95, out); out.close(); Bitmap thumbnail = ThumbnailUtils.extractThumbnail(bitmap, MainConsts.THUMBNAIL_SIZE, MainConsts.THUMBNAIL_SIZE); out = new FileOutputStream(thumbPath); thumbnail.compress(Bitmap.CompressFormat.JPEG, 100, out); out.close(); } } catch (Exception e) { if (BuildConfig.DEBUG) Log.e(TAG, "generateThumbAndPreview: exception" + e.getMessage()); retriever.release(); FirebaseCrash.report(e); } }