Api31Impl.java

/*
 * Copyright 2021 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 androidx.camera.video.internal.compat;

import android.content.Context;
import android.media.AudioRecord;
import android.media.MediaCodecInfo;
import android.util.Range;

import androidx.annotation.DoNotInline;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;

/**
 * Helper class to avoid verification errors for methods introduced in Android 12 (API 31).
 */
@RequiresApi(31)
public final class Api31Impl {

    private Api31Impl() {
    }

    /**
     * Returns the minimum number of input channels supported for
     * {@link MediaCodecInfo.AudioCapabilities}.
     */
    @DoNotInline
    public static int getMinInputChannelCount(@NonNull MediaCodecInfo.AudioCapabilities caps) {
        return caps.getMinInputChannelCount();
    }

    /**
     * Returns an array of ranges representing the number of input channels supported for
     * {@link MediaCodecInfo.AudioCapabilities}.
     */
    @DoNotInline
    @NonNull
    public static Range<Integer>[] getInputChannelCountRanges(
            @NonNull MediaCodecInfo.AudioCapabilities caps) {
        return caps.getInputChannelCountRanges();
    }

    /**
     * Sets the context used for attribution on an {@link AudioRecord}.
     */
    @DoNotInline
    public static void setContext(@NonNull AudioRecord.Builder builder, @NonNull Context context) {
        builder.setContext(context);
    }
}