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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.hardware.camera2.params;
import static com.android.internal.util.Preconditions.*;
import android.hardware.camera2.CameraCharacteristics;
import android.hardware.camera2.utils.HashCodeHelpers;
import android.util.Range;
import android.util.Size;
/**
* Immutable class to store the available
* {@link CameraCharacteristics#CONTROL_AVAILABLE_HIGH_SPEED_VIDEO_CONFIGURATIONS high speed video
* configurations}
*
* @see CameraCharacteristics#CONTROL_AVAILABLE_HIGH_SPEED_VIDEO_CONFIGURATIONS
*
* @hide
*/
public final class HighSpeedVideoConfiguration {
static final private int HIGH_SPEED_MAX_MINIMAL_FPS = 120;
/**
* Create a new {@link HighSpeedVideoConfiguration}.
*
* @param width image width, in pixels (positive)
* @param height image height, in pixels (positive)
* @param fpsMin minimum frames per second for the configuration (positive)
* @param fpsMax maximum frames per second for the configuration (larger or equal to 60)
*
* @throws IllegalArgumentException
* if width/height/fpsMin were not positive or fpsMax less than 60
*
* @hide
*/
public HighSpeedVideoConfiguration(
final int width, final int height, final int fpsMin, final int fpsMax,
final int batchSizeMax) {
if (fpsMax < HIGH_SPEED_MAX_MINIMAL_FPS) {
throw new IllegalArgumentException("fpsMax must be at least " +
HIGH_SPEED_MAX_MINIMAL_FPS);
}
mFpsMax = fpsMax;
mWidth = checkArgumentPositive(width, "width must be positive");
mHeight = checkArgumentPositive(height, "height must be positive");
mFpsMin = checkArgumentPositive(fpsMin, "fpsMin must be positive");
mSize = new Size(mWidth, mHeight);
mBatchSizeMax = checkArgumentPositive(batchSizeMax, "batchSizeMax must be positive");
mFpsRange = new Range<Integer>(mFpsMin, mFpsMax);
}
/**
* Return the width of the high speed video configuration.
*
* @return width > 0
*/
public int getWidth() {
return mWidth;
}
/**
* Return the height of the high speed video configuration.
*
* @return height > 0
*/
public int getHeight() {
return mHeight;
}
/**
* Return the minimum frame per second of the high speed video configuration.
*
* @return fpsMin > 0
*/
public int getFpsMin() {
return mFpsMin;
}
/**
* Return the maximum frame per second of the high speed video configuration.
*
* @return fpsMax >= 60
*/
public int getFpsMax() {
return mFpsMax;
}
/**
* Convenience method to return the size of this high speed video configuration.
*
* @return a Size with positive width and height
*/
public Size getSize() {
return mSize;
}
/**
* Convenience method to return the max batch size of this high speed video configuration.
*
* @return the maximal batch size for this high speed video configuration
*/
public int getBatchSizeMax() {
return mBatchSizeMax;
}
/**
* Convenience method to return the FPS range of this high speed video configuration.
*
* @return a Range with high bound >= {@value #HIGH_SPEED_MAX_MINIMAL_FPS}
*/
public Range<Integer> getFpsRange() {
return mFpsRange;
}
/**
* Check if this {@link HighSpeedVideoConfiguration} is equal to another
* {@link HighSpeedVideoConfiguration}.
*
* <p>Two configurations are equal if and only if each of the respective elements is equal.</p>
*
* @return {@code true} if the objects were equal, {@code false} otherwise
*/
@Override
public boolean equals(final Object obj) {
if (obj == null) {
return false;
}
if (this == obj) {
return true;
}
if (obj instanceof HighSpeedVideoConfiguration) {
final HighSpeedVideoConfiguration other = (HighSpeedVideoConfiguration) obj;
return mWidth == other.mWidth &&
mHeight == other.mHeight &&
mFpsMin == other.mFpsMin &&
mFpsMax == other.mFpsMax &&
mBatchSizeMax == other.mBatchSizeMax;
}
return false;
}
/**
* {@inheritDoc}
*/
@Override
public int hashCode() {
return HashCodeHelpers.hashCode(mWidth, mHeight, mFpsMin, mFpsMax);
}
private final int mWidth;
private final int mHeight;
private final int mFpsMin;
private final int mFpsMax;
private final int mBatchSizeMax;
private final Size mSize;
private final Range<Integer> mFpsRange;
}
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