1/*
2 * Copyright 2013 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// Takes in an array, returns the size of the array
17
18package androidx.media.filterfw.samples.simplecamera;
19
20import android.util.Log;
21import androidx.media.filterfw.Filter;
22import androidx.media.filterfw.FrameType;
23import androidx.media.filterfw.FrameValue;
24import androidx.media.filterfw.MffContext;
25import androidx.media.filterfw.OutputPort;
26import androidx.media.filterfw.Signature;
27
28import java.lang.reflect.Array;
29import java.util.Arrays;
30
31public class FloatArrayToStrFilter extends Filter {
32
33    private static final String TAG = "FloatArrayToStrFilter";
34    private static boolean mLogVerbose = Log.isLoggable(TAG, Log.VERBOSE);
35
36    /**
37     * @param context
38     * @param name
39     */
40    public FloatArrayToStrFilter(MffContext context, String name) {
41        super(context, name);
42    }
43
44    @Override
45    public Signature getSignature() {
46        FrameType floatType = FrameType.array(float.class);
47
48        return new Signature()
49                .addInputPort("array", Signature.PORT_REQUIRED, floatType)
50                .addOutputPort("string", Signature.PORT_REQUIRED, FrameType.single(String.class))
51                .disallowOtherPorts();
52    }
53
54    /**
55     * @see androidx.media.filterfw.Filter#onProcess()
56     */
57    @Override
58    protected void onProcess() {
59        FrameValue arrayFrame = getConnectedInputPort("array").pullFrame().asFrameValues();
60        float[] array = (float[]) arrayFrame.getValue();
61        String outstr = Arrays.toString(array);
62
63        OutputPort outPort = getConnectedOutputPort("string");
64        FrameValue stringFrame = outPort.fetchAvailableFrame(null).asFrameValue();
65        stringFrame.setValue(outstr);
66        outPort.pushFrame(stringFrame);
67
68    }
69}
70