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

Example 46 with MediaMetadataRetriever

use of android.media.MediaMetadataRetriever in project android_packages_apps_Camera by CyanogenMod.

the class Thumbnail method createVideoThumbnailBitmap.

private static Bitmap createVideoThumbnailBitmap(String filePath, FileDescriptor fd, int targetWidth) {
    Bitmap bitmap = null;
    MediaMetadataRetriever retriever = new MediaMetadataRetriever();
    try {
        if (filePath != null) {
            retriever.setDataSource(filePath);
        } else {
            retriever.setDataSource(fd);
        }
        bitmap = retriever.getFrameAtTime(-1);
    } catch (IllegalArgumentException ex) {
    // Assume this is a corrupt video file
    } catch (RuntimeException ex) {
    // Assume this is a corrupt video file.
    } finally {
        try {
            retriever.release();
        } catch (RuntimeException ex) {
        // Ignore failures while cleaning up.
        }
    }
    if (bitmap == null)
        return null;
    // Scale down the bitmap if it is bigger than we need.
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    if (width > targetWidth) {
        float scale = (float) targetWidth / width;
        int w = Math.round(scale * width);
        int h = Math.round(scale * height);
        bitmap = Bitmap.createScaledBitmap(bitmap, w, h, true);
    }
    return bitmap;
}

Example 47 with MediaMetadataRetriever

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

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");
}

Example 48 with MediaMetadataRetriever

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

the class MediaMetadataRetrieverTest method testGetEmbeddedPicture.

// Test album art extraction.
@MediumTest
public static void testGetEmbeddedPicture() throws Exception {
    Log.v(TAG, "testGetEmbeddedPicture starts.");
    MediaMetadataRetriever retriever = new MediaMetadataRetriever();
    boolean supportWMA = MediaProfileReader.getWMAEnable();
    boolean hasFailed = false;
    boolean supportWMV = MediaProfileReader.getWMVEnable();
    for (int i = 0, n = MediaNames.ALBUMART_TEST_FILES.length; i < n; ++i) {
        try {
            Log.v(TAG, "File " + i + ": " + MediaNames.ALBUMART_TEST_FILES[i]);
            if ((MediaNames.ALBUMART_TEST_FILES[i].endsWith(".wma") && !supportWMA) || (MediaNames.ALBUMART_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.ALBUMART_TEST_FILES[i]);
            byte[] albumArt = retriever.getEmbeddedPicture();
            // known result.
            if (albumArt == null) {
                // Do we have expect in JUnit?
                Log.e(TAG, "Fails to get embedded picture for " + MediaNames.ALBUMART_TEST_FILES[i]);
                hasFailed = true;
            }
        } catch (Exception e) {
            Log.e(TAG, "Fails to setDataSource for " + MediaNames.ALBUMART_TEST_FILES[i]);
            hasFailed = true;
        }
        // Don't be evil
        Thread.yield();
    }
    retriever.release();
    Log.v(TAG, "testGetEmbeddedPicture completes.");
    assertTrue(!hasFailed);
}

Example 49 with MediaMetadataRetriever

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

the class MediaMetadataRetrieverTest method testMetadataRetrieval.

@LargeTest
public static void testMetadataRetrieval() throws Exception {
    boolean supportWMA = MediaProfileReader.getWMAEnable();
    boolean supportWMV = MediaProfileReader.getWMVEnable();
    boolean hasFailed = false;
    MediaMetadataRetriever retriever = new MediaMetadataRetriever();
    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]);
            extractAllSupportedMetadataValues(retriever);
        } 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();
    }
    retriever.release();
    assertTrue(!hasFailed);
}

Example 50 with MediaMetadataRetriever

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

the class MediaMetadataRetrieverTest method testBasicAbnormalMethodCallSequence.

// If setDataSource() has not been called, both getFrameAtTime() and extractMetadata() must
// return null.
@MediumTest
public static void testBasicAbnormalMethodCallSequence() {
    boolean hasFailed = false;
    MediaMetadataRetriever retriever = new MediaMetadataRetriever();
    if (retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ALBUM) != null) {
        Log.e(TAG, "No album metadata expected, but is available");
        hasFailed = true;
    }
    if (retriever.getFrameAtTime(-1) != null) {
        Log.e(TAG, "No frame expected, but is available");
        hasFailed = true;
    }
    assertTrue(!hasFailed);
}