Add functionality for parsing H264 profile-level-id

webrtc/common_video/h264/profile_level_id_unittest.cc

+/*
+ *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/common_video/h264/profile_level_id.h"
+
+#include "webrtc/test/gtest.h"
+
+namespace webrtc {
+namespace H264 {
+
+TEST(H264ProfileLevelIdParsing, TestInvalid) {
+  // Malformed strings.
+  EXPECT_FALSE(ParseProfileLevelId(""));
+  EXPECT_FALSE(ParseProfileLevelId(" 42e01f"));
+  EXPECT_FALSE(ParseProfileLevelId("4242e01f"));
+  EXPECT_FALSE(ParseProfileLevelId("e01f"));
+  EXPECT_FALSE(ParseProfileLevelId("gggggg"));
+
+  // Invalid level.
+  EXPECT_FALSE(ParseProfileLevelId("42e000"));
+  EXPECT_FALSE(ParseProfileLevelId("42e00f"));
+  EXPECT_FALSE(ParseProfileLevelId("42e0ff"));
+
+  // Invalid profile.
+  EXPECT_FALSE(ParseProfileLevelId("42e11f"));
+  EXPECT_FALSE(ParseProfileLevelId("58601f"));
+  EXPECT_FALSE(ParseProfileLevelId("64e01f"));
+}
+
+TEST(H264ProfileLevelIdParsing, TestLevel) {
+  EXPECT_EQ(kLevel3_1, ParseProfileLevelId("42e01f")->level);
+  EXPECT_EQ(kLevel1_1, ParseProfileLevelId("42e00b")->level);
+  EXPECT_EQ(kLevel1_b, ParseProfileLevelId("42f00b")->level);
+  EXPECT_EQ(kLevel4_2, ParseProfileLevelId("42C02A")->level);
+  EXPECT_EQ(kLevel5_2, ParseProfileLevelId("640c34")->level);
+}
+
+TEST(H264ProfileLevelIdParsing, TestConstrainedBaseline) {
+  EXPECT_EQ(kProfileConstrainedBaseline,
+            ParseProfileLevelId("42e01f")->profile);
+  EXPECT_EQ(kProfileConstrainedBaseline,
+            ParseProfileLevelId("42C02A")->profile);
+  EXPECT_EQ(kProfileConstrainedBaseline,
+            ParseProfileLevelId("4de01f")->profile);
+  EXPECT_EQ(kProfileConstrainedBaseline,
+            ParseProfileLevelId("58f01f")->profile);
+}
+
+TEST(H264ProfileLevelIdParsing, TestBaseline) {
+  EXPECT_EQ(kProfileBaseline, ParseProfileLevelId("42a01f")->profile);
+  EXPECT_EQ(kProfileBaseline, ParseProfileLevelId("58A01F")->profile);
+}
+
+TEST(H264ProfileLevelIdParsing, TestMain) {
+  EXPECT_EQ(kProfileMain, ParseProfileLevelId("4D401f")->profile);
+}
+
+TEST(H264ProfileLevelIdParsing, TestHigh) {
+  EXPECT_EQ(kProfileHigh, ParseProfileLevelId("64001f")->profile);
+}
+
+TEST(H264ProfileLevelIdParsing, TestConstrainedHigh) {
+  EXPECT_EQ(kProfileConstrainedHigh, ParseProfileLevelId("640c1f")->profile);
+}
+
+}  // namespace H264
+}  // namespace webrtc