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/*
* Copyright (C) 2018 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 org.mozilla.thirdparty.com.google.android.exoplayer2.mediacodec;
import android.media.MediaFormat;
import androidx.annotation.Nullable;
import org.mozilla.thirdparty.com.google.android.exoplayer2.Format;
import org.mozilla.thirdparty.com.google.android.exoplayer2.video.ColorInfo;
import java.nio.ByteBuffer;
import java.util.List;
/** Helper class for configuring {@link MediaFormat} instances. */
public final class MediaFormatUtil {
private MediaFormatUtil() {}
/**
* Sets a {@link MediaFormat} {@link String} value.
*
* @param format The {@link MediaFormat} being configured.
* @param key The key to set.
* @param value The value to set.
*/
public static void setString(MediaFormat format, String key, String value) {
format.setString(key, value);
}
/**
* Sets a {@link MediaFormat}'s codec specific data buffers.
*
* @param format The {@link MediaFormat} being configured.
* @param csdBuffers The csd buffers to set.
*/
public static void setCsdBuffers(MediaFormat format, List<byte[]> csdBuffers) {
for (int i = 0; i < csdBuffers.size(); i++) {
format.setByteBuffer("csd-" + i, ByteBuffer.wrap(csdBuffers.get(i)));
}
}
/**
* Sets a {@link MediaFormat} integer value. Does nothing if {@code value} is {@link
* Format#NO_VALUE}.
*
* @param format The {@link MediaFormat} being configured.
* @param key The key to set.
* @param value The value to set.
*/
public static void maybeSetInteger(MediaFormat format, String key, int value) {
if (value != Format.NO_VALUE) {
format.setInteger(key, value);
}
}
/**
* Sets a {@link MediaFormat} float value. Does nothing if {@code value} is {@link
* Format#NO_VALUE}.
*
* @param format The {@link MediaFormat} being configured.
* @param key The key to set.
* @param value The value to set.
*/
public static void maybeSetFloat(MediaFormat format, String key, float value) {
if (value != Format.NO_VALUE) {
format.setFloat(key, value);
}
}
/**
* Sets a {@link MediaFormat} {@link ByteBuffer} value. Does nothing if {@code value} is null.
*
* @param format The {@link MediaFormat} being configured.
* @param key The key to set.
* @param value The {@link byte[]} that will be wrapped to obtain the value.
*/
public static void maybeSetByteBuffer(MediaFormat format, String key, @Nullable byte[] value) {
if (value != null) {
format.setByteBuffer(key, ByteBuffer.wrap(value));
}
}
/**
* Sets a {@link MediaFormat}'s color information. Does nothing if {@code colorInfo} is null.
*
* @param format The {@link MediaFormat} being configured.
* @param colorInfo The color info to set.
*/
@SuppressWarnings("InlinedApi")
public static void maybeSetColorInfo(MediaFormat format, @Nullable ColorInfo colorInfo) {
if (colorInfo != null) {
maybeSetInteger(format, MediaFormat.KEY_COLOR_TRANSFER, colorInfo.colorTransfer);
maybeSetInteger(format, MediaFormat.KEY_COLOR_STANDARD, colorInfo.colorSpace);
maybeSetInteger(format, MediaFormat.KEY_COLOR_RANGE, colorInfo.colorRange);
maybeSetByteBuffer(format, MediaFormat.KEY_HDR_STATIC_INFO, colorInfo.hdrStaticInfo);
}
}
}
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