128 lines
4.4 KiB
Java
128 lines
4.4 KiB
Java
/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.hardware.camera2.params;
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import android.annotation.FlaggedApi;
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import android.annotation.NonNull;
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import android.hardware.camera2.CaptureResult;
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import android.hardware.camera2.utils.HashCodeHelpers;
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import android.text.TextUtils;
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import com.android.internal.camera.flags.Flags;
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import com.android.internal.util.Preconditions;
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import java.util.Arrays;
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/**
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* Immutable class to store an
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* {@link CaptureResult#STATISTICS_LENS_INTRINSICS_SAMPLES lens intrinsics intra-frame sample}.
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*/
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@FlaggedApi(Flags.FLAG_CONCERT_MODE)
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public final class LensIntrinsicsSample {
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/**
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* Create a new {@link LensIntrinsicsSample}.
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*
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* <p>{@link LensIntrinsicsSample} contains the timestamp and the
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* {@link CaptureResult#LENS_INTRINSIC_CALIBRATION} sample.</p>
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*
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* @param timestampNs timestamp in nanoseconds of the lens intrinsics sample. This uses the
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* same time basis as {@link CaptureResult#SENSOR_TIMESTAMP}.
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* @param lensIntrinsics the lens {@link CaptureResult#LENS_INTRINSIC_CALIBRATION intrinsic}
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* calibration for the sample.
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*
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* @throws IllegalArgumentException if lensIntrinsics length is different from 5
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*/
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@FlaggedApi(Flags.FLAG_CONCERT_MODE)
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public LensIntrinsicsSample(final long timestampNs, @NonNull final float[] lensIntrinsics) {
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mTimestampNs = timestampNs;
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Preconditions.checkArgument(lensIntrinsics.length == 5);
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mLensIntrinsics = lensIntrinsics;
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}
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/**
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* Get the timestamp in nanoseconds.
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*
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*<p>The timestamps are in the same time basis as and comparable to
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*{@link CaptureResult#SENSOR_TIMESTAMP android.sensor.timestamp}.</p>
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*
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* @return a long value (guaranteed to be finite)
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*/
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@FlaggedApi(Flags.FLAG_CONCERT_MODE)
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public long getTimestampNanos() {
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return mTimestampNs;
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}
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/**
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* Get the lens {@link CaptureResult#LENS_INTRINSIC_CALIBRATION intrinsics} calibration
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*
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* @return a floating point value (guaranteed to be finite)
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* @see CaptureResult#LENS_INTRINSIC_CALIBRATION
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*/
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@FlaggedApi(Flags.FLAG_CONCERT_MODE)
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@NonNull
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public float[] getLensIntrinsics() {
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return mLensIntrinsics;
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}
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/**
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* Check if this {@link LensIntrinsicsSample} is equal to another {@link LensIntrinsicsSample}.
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*
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* <p>Two samples are only equal if and only if each of the lens intrinsics are equal.</p>
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*
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* @return {@code true} if the objects were equal, {@code false} otherwise
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*/
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@Override
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public boolean equals(final Object obj) {
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if (obj == null) {
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return false;
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} else if (this == obj) {
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return true;
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} else if (obj instanceof LensIntrinsicsSample) {
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final LensIntrinsicsSample other = (LensIntrinsicsSample) obj;
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return mTimestampNs == other.mTimestampNs
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&& Arrays.equals(mLensIntrinsics, other.getLensIntrinsics());
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}
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return false;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public int hashCode() {
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int timestampHash = HashCodeHelpers.hashCode(((float)mTimestampNs));
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return HashCodeHelpers.hashCode(Arrays.hashCode(mLensIntrinsics), timestampHash);
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}
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/**
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* Return the LensIntrinsicsSample as a string representation.
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*
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* <p> {@code "LensIntrinsicsSample{timestamp:%l, sample:%s}"} represents the LensIntrinsics
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* sample's timestamp, and calibration data.</p>
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*
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* @return string representation of {@link LensIntrinsicsSample}
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*/
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@Override
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public String toString() {
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return TextUtils.formatSimple("LensIntrinsicsSample{timestamp:%d, sample:%s}", mTimestampNs,
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Arrays.toString(mLensIntrinsics));
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}
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private final long mTimestampNs;
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private final float [] mLensIntrinsics;
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}
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