tenkuma/jamfish
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Increased album cover quality and loading time when loading them directly from the song files.

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This commit is contained in:
Karim Abou Zeid 2015-08-23 16:10:51 +02:00
commit 1350454484
5 changed files with 36 additions and 101 deletions
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72
app/src/main/java/com/kabouzeid/gramophone/util/ImageUtil.java
View file

@ -1,22 +1,8 @@
package com.kabouzeid.gramophone.util;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.graphics.Point;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import org.jaudiotagger.audio.AudioFile;
import org.jaudiotagger.audio.AudioFileIO;
import org.jaudiotagger.audio.exceptions.CannotReadException;
import org.jaudiotagger.audio.exceptions.InvalidAudioFrameException;
import org.jaudiotagger.audio.exceptions.ReadOnlyFileException;
import org.jaudiotagger.tag.TagException;
import java.io.File;
import java.io.IOException;
/**
* @author Karim Abou Zeid (kabouzeid)
@ -36,62 +22,4 @@ public class ImageUtil {
}
return resizedBitmap;
}
@Nullable
public static Bitmap getEmbeddedSongArt(File songFile, @NonNull Context context) {
try {
AudioFile audioFile = AudioFileIO.read(songFile);
byte[] data = audioFile.getTag().getFirstArtwork().getBinaryData();
if (data != null) {
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inPreferredConfig = Bitmap.Config.RGB_565;
options.inJustDecodeBounds = true;
BitmapFactory.decodeByteArray(data, 0, data.length, options);
// Calculate inSampleSize
options.inSampleSize = calculateInSampleSize(options, context);
// Decode bitmap with inSampleSize set
options.inJustDecodeBounds = false;
return BitmapFactory.decodeByteArray(data, 0, data.length, options);
}
} catch (@NonNull CannotReadException | TagException | IOException | ReadOnlyFileException | InvalidAudioFrameException e) {
e.printStackTrace();
}
return null;
}
public static int calculateInSampleSize(@NonNull BitmapFactory.Options options, @NonNull Context context) {
// Raw height and width of image
final int height = options.outHeight;
final int width = options.outWidth;
int reqLength = Math.round(getSmallerScreenSize(context) * 1.5f); // absolute maximum size the album art will ever have
// setting reqWidth matching to desired 1:1 ratio and screen-size
if (width < height) {
reqLength = (height / width) * reqLength;
} else {
reqLength = (width / height) * reqLength;
}
int inSampleSize = 1;
if (height > reqLength || width > reqLength) {
final int halfHeight = height / 2;
final int halfWidth = width / 2;
// Calculate the largest inSampleSize value that is a power of 2 and keeps both
// height and width larger than the requested height and width.
while ((halfHeight / inSampleSize) > reqLength
&& (halfWidth / inSampleSize) > reqLength) {
inSampleSize *= 2;
}
}
return inSampleSize;
}
private static int getSmallerScreenSize(@NonNull Context c) {
Point size = Util.getScreenSize(c);
return Math.min(size.x, size.y);
}
}

5
app/src/main/java/com/kabouzeid/gramophone/util/Util.java
View file

@ -44,6 +44,11 @@ public class Util {
return size;
}
public static int getSmallerScreenSize(@NonNull Context c) {
Point size = Util.getScreenSize(c);
return Math.min(size.x, size.y);
}
@TargetApi(19)
public static void setStatusBarTranslucent(@NonNull Window window) {
window.setFlags(