public final class

Api31Impl

extends java.lang.Object

 java.lang.Object

↳androidx.camera.video.internal.compat.Api31Impl

Gradle dependencies

compile group: 'androidx.camera', name: 'camera-video', version: '1.2.0-alpha01'

  • groupId: androidx.camera
  • artifactId: camera-video
  • version: 1.2.0-alpha01

Artifact androidx.camera:camera-video:1.2.0-alpha01 it located at Google repository (https://maven.google.com/)

Overview

Helper class to avoid verification errors for methods introduced in Android 12 (API 31).

Summary

Methods
public static <any>getInputChannelCountRanges(MediaCodecInfo.AudioCapabilities caps)

Returns an array of ranges representing the number of input channels supported for .

public static intgetMinInputChannelCount(MediaCodecInfo.AudioCapabilities caps)

Returns the minimum number of input channels supported for .

public static voidsetContext(AudioRecord.Builder builder, Context context)

Sets the context used for attribution on an AudioRecord.

from java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods

public static int getMinInputChannelCount(MediaCodecInfo.AudioCapabilities caps)

Returns the minimum number of input channels supported for .

public static <any> getInputChannelCountRanges(MediaCodecInfo.AudioCapabilities caps)

Returns an array of ranges representing the number of input channels supported for .

public static void setContext(AudioRecord.Builder builder, Context context)

Sets the context used for attribution on an AudioRecord.

Source

/*
 * 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);
    }
}