1 files changed, 109 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/mediacodec/MediaFormatUtil.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/mediacodec/MediaFormatUtil.java
new file mode 100644
index 0000000000..cafaaa7c83
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/mediacodec/MediaFormatUtil.java
@@ -0,0 +1,109 @@
+/*
+ * 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);
+    }
+  }
+}