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

Example 26 with MediaMetadataRetriever

use of android.media.MediaMetadataRetriever in project XobotOS by xamarin.

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 27 with MediaMetadataRetriever

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

the class MediaDecoder method retrieveDefaultRotation.

@TargetApi(17)
private void retrieveDefaultRotation() {
    MediaMetadataRetriever metadataRetriever = new MediaMetadataRetriever();
    metadataRetriever.setDataSource(mContext, mUri);
    String rotationString = metadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_ROTATION);
    mDefaultRotation = rotationString == null ? 0 : Integer.parseInt(rotationString);
}

Example 28 with MediaMetadataRetriever

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

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 29 with MediaMetadataRetriever

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

the class CodecTest method getThumbnail.

//Test for mediaMeta Data Thumbnail
public static boolean getThumbnail(String filePath, String goldenPath) {
    Log.v(TAG, "getThumbnail - " + filePath);
    int goldenHeight = 0;
    int goldenWidth = 0;
    int outputWidth = 0;
    int outputHeight = 0;
    //This test is only for the short media file
    try {
        BitmapFactory mBitmapFactory = new BitmapFactory();
        MediaMetadataRetriever mMediaMetadataRetriever = new MediaMetadataRetriever();
        try {
            mMediaMetadataRetriever.setDataSource(filePath);
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
        Bitmap outThumbnail = mMediaMetadataRetriever.getFrameAtTime(-1);
        //Verify the thumbnail
        Bitmap goldenBitmap = mBitmapFactory.decodeFile(goldenPath);
        outputWidth = outThumbnail.getWidth();
        outputHeight = outThumbnail.getHeight();
        goldenHeight = goldenBitmap.getHeight();
        goldenWidth = goldenBitmap.getWidth();
        //check the image dimension
        if ((outputWidth != goldenWidth) || (outputHeight != goldenHeight))
            return false;
        // Check half line of pixel
        int x = goldenHeight / 2;
        for (int j = 1; j < goldenWidth / 2; j++) {
            if (goldenBitmap.getPixel(x, j) != outThumbnail.getPixel(x, j)) {
                Log.v(TAG, "pixel = " + goldenBitmap.getPixel(x, j));
                return false;
            }
        }
    } catch (Exception e) {
        Log.v(TAG, e.toString());
        return false;
    }
    return true;
}

Example 30 with MediaMetadataRetriever

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

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();
}