/** Method that destroy the references of this class */
public void recycle() {
// Destroy the media discovery task
mPictureDiscoverer.recycle();
synchronized (mEffectsSync) {
if (mEffects != null) {
mEffects.release();
}
if (mBorders != null) {
mBorders.release();
}
}
// Destroy the background task
if (mBackgroundTask != null) {
mBackgroundTask.mRun = false;
try {
synchronized (mBackgroundTask.mLoadSync) {
mBackgroundTask.interrupt();
}
} catch (Exception e) {
// Ignore
}
}
mBackgroundTask = null;
}
/**
* Method that load the gles texture and apply to the requestor frame (which includes fix the
* aspect ratio and/or effects and borders)
*
* @param requestor The requestor target
* @param ti The original texture information (the one with the bitmap one)
*/
private void applyToRequestor(TextureRequestor requestor, GLESTextureInfo ti) {
// Transform requestor dimensions to screen dimensions
RectF dimens = requestor.getRequestorDimensions();
Rect pixels =
new Rect(
0,
0,
(int) (mScreenDimensions.width() * dimens.width() / 2),
(int) (mScreenDimensions.height() * dimens.height() / 2));
final Disposition disposition = requestor.getDisposition();
synchronized (mEffectsSync) {
if (disposition.hasFlag(Disposition.EFFECT_FLAG)) {
ti.effect = mEffects.getNextEffect();
}
if (disposition.hasFlag(Disposition.BORDER_FLAG)) {
ti.border = mBorders.getNextBorder();
}
}
// Check if we have to apply any correction to the image
GLESTextureInfo dst;
if (ti.bitmap != null && Preferences.General.isFixAspectRatio(mContext)) {
// Create a texture of power of two here to avoid scaling the bitmap twice
int w = pixels.width();
int h = pixels.height();
if (!BitmapUtils.isPowerOfTwo(w, h)
&& PreferencesProvider.Preferences.General.isPowerOfTwo(mContext)) {
w = h = BitmapUtils.calculateUpperPowerOfTwo(Math.min(w, h));
}
// Create a thumbnail of the image
Bitmap thumb = BitmapUtils.createScaledBitmap(ti.bitmap, w, h, BitmapUtils.ScalingLogic.CROP);
if (!thumb.equals(ti.bitmap)) {
ti.bitmap.recycle();
}
dst = GLESUtil.loadTexture(mContext, thumb, ti.effect, ti.border, pixels);
} else {
// Load the texture without any correction
dst = GLESUtil.loadTexture(mContext, ti.bitmap, ti.effect, ti.border, pixels);
}
// Swap references
ti.bitmap = dst.bitmap;
ti.handle = dst.handle;
ti.effect = null;
ti.border = null;
dst.handle = 0;
dst.bitmap = null;
// And notify to the requestor
requestor.setTextureHandle(ti);
// Clean up memory
if (ti.bitmap != null) {
ti.bitmap.recycle();
ti.bitmap = null;
}
}
/**
* Method that update the effect context if the EGL context change
*
* @param effectCtx The new effect context
*/
public void updateEffectContext(final EffectContext effectCtx) {
synchronized (mEffectsSync) {
if (mEffects != null) {
mEffects.release();
mEffects = null;
}
mEffects = new Effects(mContext, effectCtx);
if (mBorders != null) {
mBorders.release();
mBorders = null;
}
mBorders = new Borders(mContext, effectCtx);
}
emptyTextureQueue(true);
}