1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17
18package android.media.effect.effects;
19
20import android.filterfw.core.Frame;
21import android.media.effect.EffectContext;
22import android.media.effect.FilterEffect;
23
24/**
25 * @hide
26 */
27public class IdentityEffect extends FilterEffect {
28
29    public IdentityEffect(EffectContext context, String name) {
30        super(context, name);
31    }
32
33    @Override
34    public void apply(int inputTexId, int width, int height, int outputTexId) {
35        beginGLEffect();
36
37        Frame inputFrame = frameFromTexture(inputTexId, width, height);
38        Frame outputFrame = frameFromTexture(outputTexId, width, height);
39
40        outputFrame.setDataFromFrame(inputFrame);
41
42        inputFrame.release();
43        outputFrame.release();
44
45        endGLEffect();
46    }
47
48    @Override
49    public void setParameter(String parameterKey, Object value) {
50        throw new IllegalArgumentException("Unknown parameter " + parameterKey
51            + " for IdentityEffect!");
52    }
53
54    @Override
55    public void release() {
56    }
57}
58
59