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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.filterpacks.base;
import android.filterfw.core.Filter;
import android.filterfw.core.FilterContext;
import android.filterfw.core.Frame;
import android.filterfw.core.FrameFormat;
import android.filterfw.core.GenerateFieldPort;
import android.filterfw.core.GenerateFinalPort;
/**
* @hide
*/
public class FrameSource extends Filter {
@GenerateFinalPort(name = "format")
private FrameFormat mFormat;
@GenerateFieldPort(name = "frame", hasDefault = true)
private Frame mFrame = null;
@GenerateFieldPort(name = "repeatFrame", hasDefault = true)
private boolean mRepeatFrame = false;
public FrameSource(String name) {
super(name);
}
@Override
public void setupPorts() {
addOutputPort("frame", mFormat);
}
@Override
public void process(FilterContext context) {
if (mFrame != null) {
// Push output
pushOutput("frame", mFrame);
}
if (!mRepeatFrame) {
// Close output port as we are done here
closeOutputPort("frame");
}
}
}
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