Examples with MediaMetadataRetriever android.media.MediaMetadataRetriever used on opensource projects

Example 71 with MediaMetadataRetriever

use of android.media.MediaMetadataRetriever in project android_frameworks_base by ParanoidAndroid.

the class VideoEditorImpl method generateProjectThumbnail.

/*
     * Generate the project thumbnail
     */
private void generateProjectThumbnail() {
    /*
         * If a thumbnail already exists, then delete it first
         */
    if ((new File(mProjectPath + "/" + THUMBNAIL_FILENAME)).exists()) {
        (new File(mProjectPath + "/" + THUMBNAIL_FILENAME)).delete();
    }
    /*
         * Generate a new thumbnail for the project from first media Item
         */
    if (mMediaItems.size() > 0) {
        MediaItem mI = mMediaItems.get(0);
        /*
             * Keep aspect ratio of the image
             */
        int height = 480;
        int width = mI.getWidth() * height / mI.getHeight();
        Bitmap projectBitmap = null;
        String filename = mI.getFilename();
        if (mI instanceof MediaVideoItem) {
            MediaMetadataRetriever retriever = new MediaMetadataRetriever();
            retriever.setDataSource(filename);
            Bitmap bitmap = retriever.getFrameAtTime();
            retriever.release();
            retriever = null;
            if (bitmap == null) {
                String msg = "Thumbnail extraction from " + filename + " failed";
                throw new IllegalArgumentException(msg);
            }
            // Resize the thumbnail to the target size
            projectBitmap = Bitmap.createScaledBitmap(bitmap, width, height, true);
        } else {
            try {
                projectBitmap = mI.getThumbnail(width, height, 500);
            } catch (IllegalArgumentException e) {
                String msg = "Project thumbnail extraction from " + filename + " failed";
                throw new IllegalArgumentException(msg);
            } catch (IOException e) {
                String msg = "IO Error creating project thumbnail";
                throw new IllegalArgumentException(msg);
            }
        }
        try {
            FileOutputStream stream = new FileOutputStream(mProjectPath + "/" + THUMBNAIL_FILENAME);
            projectBitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream);
            stream.flush();
            stream.close();
        } catch (IOException e) {
            throw new IllegalArgumentException("Error creating project thumbnail");
        } finally {
            projectBitmap.recycle();
        }
    }
}

Example 72 with MediaMetadataRetriever

use of android.media.MediaMetadataRetriever in project platform_frameworks_base by android.

the class EffectsVideoCapture method verify.

// Verify result code, result data, and the duration.
private void verify(CameraEffectsRecordingSample activity, Uri uri) throws Exception {
    assertNotNull(uri);
    // Verify the video file
    MediaMetadataRetriever retriever = new MediaMetadataRetriever();
    retriever.setDataSource(activity, uri);
    String duration = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION);
    assertNotNull(duration);
    int durationValue = Integer.parseInt(duration);
    Log.v(TAG, "Video duration is " + durationValue);
    assertTrue(durationValue > 0);
}

Example 73 with MediaMetadataRetriever

use of android.media.MediaMetadataRetriever in project platform_frameworks_base by android.

the class MediaMetadataTest method validateMetatData.

private static void validateMetatData(int fileIndex, String[][] meta_data_file) {
    Log.v(TAG, "filePath = " + meta_data_file[fileIndex][0]);
    if ((meta_data_file[fileIndex][0].endsWith("wma") && !MediaProfileReader.getWMAEnable()) || (meta_data_file[fileIndex][0].endsWith("wmv") && !MediaProfileReader.getWMVEnable())) {
        return;
    }
    String value = null;
    MediaMetadataRetriever retriever = new MediaMetadataRetriever();
    try {
        retriever.setDataSource(meta_data_file[fileIndex][0]);
    } catch (Exception e) {
        Log.v(TAG, "Failed: " + meta_data_file[fileIndex][0] + " " + e.toString());
        //Set the test case failure whenever it failed to setDataSource
        assertTrue("Failed to setDataSource ", false);
    }
    //METADATA_KEY_CD_TRACK_NUMBER should return the TCRK value
    value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_CD_TRACK_NUMBER);
    Log.v(TAG, "CD_TRACK_NUMBER : " + value);
    assertEquals(TAG, meta_data_file[fileIndex][meta.CD_TRACK.ordinal()], value);
    value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ALBUM);
    Log.v(TAG, "Album : " + value);
    assertEquals(TAG, meta_data_file[fileIndex][meta.ALBUM.ordinal()], value);
    value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ARTIST);
    Log.v(TAG, "Artist : " + value);
    assertEquals(TAG, meta_data_file[fileIndex][meta.ARTIST.ordinal()], value);
    value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_AUTHOR);
    Log.v(TAG, "Author : " + value);
    assertEquals(TAG, meta_data_file[fileIndex][meta.AUTHOR.ordinal()], value);
    value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_COMPOSER);
    Log.v(TAG, "Composer : " + value);
    assertEquals(TAG, meta_data_file[fileIndex][meta.COMPOSER.ordinal()], value);
    value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DATE);
    Log.v(TAG, "Date : " + value);
    assertEquals(TAG, meta_data_file[fileIndex][meta.DATE.ordinal()], value);
    value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_GENRE);
    Log.v(TAG, "Genre : " + value);
    assertEquals(TAG, meta_data_file[fileIndex][meta.GENRE.ordinal()], value);
    value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_TITLE);
    Log.v(TAG, "Title : " + value);
    assertEquals(TAG, meta_data_file[fileIndex][meta.TITLE.ordinal()], value);
    value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_YEAR);
    Log.v(TAG, "Year : " + value);
    assertEquals(TAG, meta_data_file[fileIndex][meta.YEAR.ordinal()], value);
    value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION);
    Log.v(TAG, "Expected = " + meta_data_file[fileIndex][meta.DURATION.ordinal()] + "reult = " + value);
    // Only require that the returned duration is within 100ms of the expected
    // one as PV and stagefright differ slightly in their implementation.
    assertTrue(TAG, Math.abs(Integer.parseInt(meta_data_file[fileIndex][meta.DURATION.ordinal()]) - Integer.parseInt(value)) < 100);
    //METADATA_KEY_NUM_TRACKS should return the total number of tracks in the media
    //include the video and audio
    value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_NUM_TRACKS);
    Log.v(TAG, "Track : " + value);
    assertEquals(TAG, meta_data_file[fileIndex][meta.NUM_TRACKS.ordinal()], value);
    value = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_WRITER);
    Log.v(TAG, "Writer : " + value);
    assertEquals(TAG, meta_data_file[fileIndex][meta.WRITER.ordinal()], value);
    retriever.release();
}

Example 74 with MediaMetadataRetriever

use of android.media.MediaMetadataRetriever in project platform_frameworks_base by android.

the class MediaRecorderTest method validateMetadata.

private boolean validateMetadata(String filePath, int captureRate) {
    MediaMetadataRetriever retriever = new MediaMetadataRetriever();
    retriever.setDataSource(filePath);
    // verify capture rate meta key is present and correct
    String captureFps = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_CAPTURE_FRAMERATE);
    if (captureFps == null) {
        Log.d(TAG, "METADATA_KEY_CAPTURE_FRAMERATE is missing");
        return false;
    }
    if (Math.abs(Float.parseFloat(captureFps) - captureRate) > 0.001) {
        Log.d(TAG, "METADATA_KEY_CAPTURE_FRAMERATE is incorrect: " + captureFps + "vs. " + captureRate);
        return false;
    }
    // verify other meta keys here if necessary
    return true;
}

Example 75 with MediaMetadataRetriever

use of android.media.MediaMetadataRetriever in project platform_frameworks_base by android.

the class MediaMetadataRetrieverTest method testThumbnailCapture.

// Test frame capture
@LargeTest
public static void testThumbnailCapture() throws Exception {
    MediaMetadataRetriever retriever = new MediaMetadataRetriever();
    boolean supportWMA = MediaProfileReader.getWMAEnable();
    boolean supportWMV = MediaProfileReader.getWMVEnable();
    boolean hasFailed = false;
    Log.v(TAG, "Thumbnail processing starts");
    long startedAt = System.currentTimeMillis();
    for (int i = 0, n = MediaNames.THUMBNAIL_METADATA_TEST_FILES.length; i < n; ++i) {
        try {
            Log.v(TAG, "File " + i + ": " + MediaNames.THUMBNAIL_METADATA_TEST_FILES[i]);
            if ((MediaNames.THUMBNAIL_METADATA_TEST_FILES[i].endsWith(".wma") && !supportWMA) || (MediaNames.THUMBNAIL_METADATA_TEST_FILES[i].endsWith(".wmv") && !supportWMV)) {
                Log.v(TAG, "windows media is not supported and thus we will skip the test for this file");
                continue;
            }
            retriever.setDataSource(MediaNames.THUMBNAIL_METADATA_TEST_FILES[i]);
            Bitmap bitmap = retriever.getFrameAtTime(-1);
            assertTrue(bitmap != null);
            try {
                java.io.OutputStream stream = new FileOutputStream(MediaNames.THUMBNAIL_METADATA_TEST_FILES[i] + ".jpg");
                bitmap.compress(Bitmap.CompressFormat.JPEG, 75, stream);
                stream.close();
            } catch (Exception e) {
                Log.e(TAG, "Fails to convert the bitmap to a JPEG file for " + MediaNames.THUMBNAIL_METADATA_TEST_FILES[i]);
                hasFailed = true;
                Log.e(TAG, e.toString());
            }
        } catch (Exception e) {
            Log.e(TAG, "Fails to setDataSource for file " + MediaNames.THUMBNAIL_METADATA_TEST_FILES[i]);
            hasFailed = true;
        }
        // Don't be evil
        Thread.yield();
    }
    long endedAt = System.currentTimeMillis();
    retriever.release();
    assertTrue(!hasFailed);
    Log.v(TAG, "Average processing time per thumbnail: " + (endedAt - startedAt) / MediaNames.THUMBNAIL_METADATA_TEST_FILES.length + " ms");
}