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
17package androidx.media.filterpacks.transform;
18
19import androidx.media.filterfw.*;
20
21// TODO: In the future this could be done with a meta-filter that simply "hard-codes" the crop
22// parameters.
23public class ResizeFilter extends CropFilter {
24
25    public ResizeFilter(MffContext context, String name) {
26        super(context, name);
27    }
28
29    @Override
30    public Signature getSignature() {
31        FrameType imageIn = FrameType.image2D(FrameType.ELEMENT_RGBA8888, FrameType.READ_GPU);
32        FrameType imageOut = FrameType.image2D(FrameType.ELEMENT_RGBA8888, FrameType.WRITE_GPU);
33        return new Signature()
34            .addInputPort("image", Signature.PORT_REQUIRED, imageIn)
35            .addInputPort("outputWidth", Signature.PORT_OPTIONAL, FrameType.single(int.class))
36            .addInputPort("outputHeight", Signature.PORT_OPTIONAL, FrameType.single(int.class))
37            .addInputPort("useMipmaps", Signature.PORT_OPTIONAL, FrameType.single(boolean.class))
38            .addOutputPort("image", Signature.PORT_REQUIRED, imageOut)
39            .disallowOtherPorts();
40    }
41}
42