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/*
* Copyright (C) 2014 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.tv;
import android.os.Parcel;
import android.os.Parcelable;
import android.util.Log;
/**
* @hide
*/
public class TvStreamConfig implements Parcelable {
static final String TAG = TvStreamConfig.class.getSimpleName();
public final static int STREAM_TYPE_INDEPENDENT_VIDEO_SOURCE = 1;
public final static int STREAM_TYPE_BUFFER_PRODUCER = 2;
private int mStreamId;
private int mType;
// TODO: Revisit if max widht/height really make sense.
private int mMaxWidth;
private int mMaxHeight;
/**
* Generations are incremented once framework receives STREAM_CONFIGURATION_CHANGED event from
* HAL module. Framework should throw away outdated configurations and get new configurations
* via tv_input_device::get_stream_configurations().
*/
private int mGeneration;
public static final Parcelable.Creator<TvStreamConfig> CREATOR =
new Parcelable.Creator<TvStreamConfig>() {
@Override
public TvStreamConfig createFromParcel(Parcel source) {
try {
return new Builder().
streamId(source.readInt()).
type(source.readInt()).
maxWidth(source.readInt()).
maxHeight(source.readInt()).
generation(source.readInt()).build();
} catch (Exception e) {
Log.e(TAG, "Exception creating TvStreamConfig from parcel", e);
return null;
}
}
@Override
public TvStreamConfig[] newArray(int size) {
return new TvStreamConfig[size];
}
};
private TvStreamConfig() {}
public int getStreamId() {
return mStreamId;
}
public int getType() {
return mType;
}
public int getMaxWidth() {
return mMaxWidth;
}
public int getMaxHeight() {
return mMaxHeight;
}
public int getGeneration() {
return mGeneration;
}
// Parcelable
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(mStreamId);
dest.writeInt(mType);
dest.writeInt(mMaxWidth);
dest.writeInt(mMaxHeight);
dest.writeInt(mGeneration);
}
/**
* A helper class for creating a TvStreamConfig object.
*/
public static final class Builder {
private Integer mStreamId;
private Integer mType;
private Integer mMaxWidth;
private Integer mMaxHeight;
private Integer mGeneration;
public Builder() {
}
public Builder streamId(int streamId) {
mStreamId = streamId;
return this;
}
public Builder type(int type) {
mType = type;
return this;
}
public Builder maxWidth(int maxWidth) {
mMaxWidth = maxWidth;
return this;
}
public Builder maxHeight(int maxHeight) {
mMaxHeight = maxHeight;
return this;
}
public Builder generation(int generation) {
mGeneration = generation;
return this;
}
public TvStreamConfig build() {
if (mStreamId == null || mType == null || mMaxWidth == null || mMaxHeight == null
|| mGeneration == null) {
throw new UnsupportedOperationException();
}
TvStreamConfig config = new TvStreamConfig();
config.mStreamId = mStreamId;
config.mType = mType;
config.mMaxWidth = mMaxWidth;
config.mMaxHeight = mMaxHeight;
config.mGeneration = mGeneration;
return config;
}
}
}
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