Add HE AAC support to ISO BMFF.

media/mp4/aac_unittest.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "media/mp4/aac.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media {
+
+namespace mp4 {
+
+TEST(AACTest, BasicProfileTest) {
+  AAC aac;
+  uint8 buffer[] = {
+    0x03, 0x19, 0x00, 0x01, 0x00, 0x04, 0x11, 0x40,
+    0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x05, 0x02, 0x12, 0x10,
+    0x06, 0x01, 0x02
+  };
+  std::vector<uint8> data;
+
+  data.assign(buffer, buffer + sizeof(buffer));
+
+  EXPECT_TRUE(aac.Initialize(data));
+  EXPECT_EQ(aac.frequency(), 44100u);
+  EXPECT_EQ(aac.channel_layout(), CHANNEL_LAYOUT_STEREO);
+}
+
+TEST(AACTest, ExtensionTest) {
+  AAC aac;
+  uint8 buffer[] = {
+    0x03, 0x1e, 0x00, 0x00, 0x00, 0x04, 0x16, 0x40,
+    0x15, 0x00, 0x02, 0xeb, 0x00, 0x02, 0x0f, 0xd0,
+    0x00, 0x01, 0xad, 0x20, 0x05, 0x07, 0x13, 0x08,
+    0x56, 0xe5, 0x9d, 0x48, 0x80, 0x06, 0x01, 0x02
+  };
+  std::vector<uint8> data;
+
+  data.assign(buffer, buffer + sizeof(buffer));
+
+  EXPECT_TRUE(aac.Initialize(data));
+  EXPECT_EQ(aac.frequency(), 48000u);
+  EXPECT_EQ(aac.channel_layout(), CHANNEL_LAYOUT_STEREO);
+}
+
+TEST(AACTest, SixChannelTest) {
+  AAC aac;
+  uint8 buffer[] = {
+    0x03, 0x19, 0x00, 0x00, 0x00, 0x04, 0x11, 0x40,
+    0x15, 0x00, 0x18, 0x00, 0x00, 0x08, 0xf4, 0x70,
+    0x00, 0x06, 0xad, 0x60, 0x05, 0x02, 0x11, 0xb0,
+    0x06, 0x01, 0x02
+  };
+  std::vector<uint8> data;
+
+  data.assign(buffer, buffer + sizeof(buffer));
+
+  EXPECT_TRUE(aac.Initialize(data));
+  EXPECT_EQ(aac.frequency(), 48000u);
+  EXPECT_EQ(aac.channel_layout(), CHANNEL_LAYOUT_5_1);
+}
+
+}  // namespace mp4
+
+}  // namespace media