Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 97 insertions, 0 deletions

diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/video/AvcConfig.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/video/AvcConfig.java
new file mode 100644
index 0000000000..2026a27ff7
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/video/AvcConfig.java
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2016 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.video;
+
+import org.mozilla.thirdparty.com.google.android.exoplayer2.Format;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.ParserException;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.util.CodecSpecificDataUtil;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.util.NalUnitUtil;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.util.NalUnitUtil.SpsData;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.util.ParsableByteArray;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * AVC configuration data.
+ */
+public final class AvcConfig {
+
+  public final List<byte[]> initializationData;
+  public final int nalUnitLengthFieldLength;
+  public final int width;
+  public final int height;
+  public final float pixelWidthAspectRatio;
+
+  /**
+   * Parses AVC configuration data.
+   *
+   * @param data A {@link ParsableByteArray}, whose position is set to the start of the AVC
+   *     configuration data to parse.
+   * @return A parsed representation of the HEVC configuration data.
+   * @throws ParserException If an error occurred parsing the data.
+   */
+  public static AvcConfig parse(ParsableByteArray data) throws ParserException {
+    try {
+      data.skipBytes(4); // Skip to the AVCDecoderConfigurationRecord (defined in 14496-15)
+      int nalUnitLengthFieldLength = (data.readUnsignedByte() & 0x3) + 1;
+      if (nalUnitLengthFieldLength == 3) {
+        throw new IllegalStateException();
+      }
+      List<byte[]> initializationData = new ArrayList<>();
+      int numSequenceParameterSets = data.readUnsignedByte() & 0x1F;
+      for (int j = 0; j < numSequenceParameterSets; j++) {
+        initializationData.add(buildNalUnitForChild(data));
+      }
+      int numPictureParameterSets = data.readUnsignedByte();
+      for (int j = 0; j < numPictureParameterSets; j++) {
+        initializationData.add(buildNalUnitForChild(data));
+      }
+
+      int width = Format.NO_VALUE;
+      int height = Format.NO_VALUE;
+      float pixelWidthAspectRatio = 1;
+      if (numSequenceParameterSets > 0) {
+        byte[] sps = initializationData.get(0);
+        SpsData spsData = NalUnitUtil.parseSpsNalUnit(initializationData.get(0),
+            nalUnitLengthFieldLength, sps.length);
+        width = spsData.width;
+        height = spsData.height;
+        pixelWidthAspectRatio = spsData.pixelWidthAspectRatio;
+      }
+      return new AvcConfig(initializationData, nalUnitLengthFieldLength, width, height,
+          pixelWidthAspectRatio);
+    } catch (ArrayIndexOutOfBoundsException e) {
+      throw new ParserException("Error parsing AVC config", e);
+    }
+  }
+
+  private AvcConfig(List<byte[]> initializationData, int nalUnitLengthFieldLength,
+      int width, int height, float pixelWidthAspectRatio) {
+    this.initializationData = initializationData;
+    this.nalUnitLengthFieldLength = nalUnitLengthFieldLength;
+    this.width = width;
+    this.height = height;
+    this.pixelWidthAspectRatio = pixelWidthAspectRatio;
+  }
+
+  private static byte[] buildNalUnitForChild(ParsableByteArray data) {
+    int length = data.readUnsignedShort();
+    int offset = data.getPosition();
+    data.skipBytes(length);
+    return CodecSpecificDataUtil.buildNalUnit(data.data, offset, length);
+  }
+
+}