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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 static android.hardware.camera2.params.StreamConfigurationMap.checkArgumentFormatInternal;
import android.graphics.ImageFormat;
import android.hardware.camera2.CameraCharacteristics;
import android.hardware.camera2.utils.HashCodeHelpers;
import android.graphics.PixelFormat;
import android.util.Size;
/**
* Immutable class to store a time duration for any given format/size combination.
*
* @see CameraCharacteristics#SCALER_AVAILABLE_STREAM_CONFIGURATIONS
* @see CameraCharacteristics#SCALER_AVAILABLE_MIN_FRAME_DURATIONS
* @see CameraCharacteristics#SCALER_AVAILABLE_STALL_DURATIONS
*
* @hide
*/
public final class StreamConfigurationDuration {
/**
* Create a new {@link StreamConfigurationDuration}.
*
* @param format image format
* @param width image width, in pixels (positive)
* @param height image height, in pixels (positive)
* @param durationNs duration in nanoseconds (non-negative)
*
* @throws IllegalArgumentException
* if width/height were not positive, or durationNs was negative
* or if the format was not user-defined in ImageFormat/PixelFormat
* (IMPL_DEFINED is OK)
*
*
* @hide
*/
public StreamConfigurationDuration(
final int format, final int width, final int height, final long durationNs) {
mFormat = checkArgumentFormatInternal(format);
mWidth = checkArgumentPositive(width, "width must be positive");
mHeight = checkArgumentPositive(height, "height must be positive");
mDurationNs = checkArgumentNonnegative(durationNs, "durationNs must be non-negative");
}
/**
* Get the internal image {@code format} in this stream configuration duration
*
* @return an integer format
*
* @see ImageFormat
* @see PixelFormat
*/
public final int getFormat() {
return mFormat;
}
/**
* Return the width of the stream configuration duration.
*
* @return width > 0
*/
public int getWidth() {
return mWidth;
}
/**
* Return the height of the stream configuration duration
*
* @return height > 0
*/
public int getHeight() {
return mHeight;
}
/**
* Convenience method to return the size of this stream configuration duration.
*
* @return a Size with positive width and height
*/
public Size getSize() {
return new Size(mWidth, mHeight);
}
/**
* Get the time duration (in nanoseconds).
*
* @return long >= 0
*/
public long getDuration() {
return mDurationNs;
}
/**
* Check if this {@link StreamConfigurationDuration} is equal to another
* {@link StreamConfigurationDuration}.
*
* <p>Two vectors are only 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 StreamConfigurationDuration) {
final StreamConfigurationDuration other = (StreamConfigurationDuration) obj;
return mFormat == other.mFormat &&
mWidth == other.mWidth &&
mHeight == other.mHeight &&
mDurationNs == other.mDurationNs;
}
return false;
}
/**
* {@inheritDoc}
*/
@Override
public int hashCode() {
return HashCodeHelpers.hashCode(mFormat, mWidth, mHeight,
(int) mDurationNs, (int)(mDurationNs >>> Integer.SIZE));
}
private final int mFormat;
private final int mWidth;
private final int mHeight;
private final long mDurationNs;
}
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