Fix: Changing canPlayType behaviour for MP4 containers

content/browser/media/media_canplaytype_browsertest.cc

 // Copyright 2014 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 <string>
 
 #include "content/browser/media/media_browsertest.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/shell/browser/shell.h"
@@ skipping 482 matching lines @@
 IN_PROC_BROWSER_TEST_F(MediaCanPlayTypeTest, CodecSupportTest_mp4) {
   EXPECT_EQ(kPropMaybe, CanPlay("'video/mp4'"));
 
   EXPECT_EQ(kPropMaybe, CanPlay("'video/mp4; codecs=\"avc1\"'"));
   EXPECT_EQ(kPropMaybe, CanPlay("'video/mp4; codecs=\"avc3\"'"));
   EXPECT_EQ(kPropMaybe, CanPlay("'video/mp4; codecs=\"mp4a.40\"'"));
   EXPECT_EQ(kPropMaybe, CanPlay("'video/mp4; codecs=\"avc1, mp4a.40\"'"));
   EXPECT_EQ(kPropMaybe, CanPlay("'video/mp4; codecs=\"avc3, mp4a.40\"'"));
   EXPECT_EQ(kPropMaybe, CanPlay("'video/mp4; codecs=\"avc1, avc3\"'"));
 
-  EXPECT_EQ(kPropMaybe, CanPlay("'video/mp4; codecs=\"avc1.4D401E\"'"));
-  EXPECT_EQ(kPropMaybe, CanPlay("'video/mp4; codecs=\"avc3.64001F\"'"));
-  EXPECT_EQ(kPropMaybe, CanPlay("'video/mp4; codecs=\"mp4a.40.2\"'"));
-  EXPECT_EQ(kPropMaybe,
+  EXPECT_EQ(kPropProbably, CanPlay("'video/mp4; codecs=\"avc1.4D401E\"'"));
+  EXPECT_EQ(kPropProbably, CanPlay("'video/mp4; codecs=\"avc3.64001F\"'"));
+  EXPECT_EQ(kPropProbably, CanPlay("'video/mp4; codecs=\"mp4a.40.2\"'"));
+  EXPECT_EQ(kPropProbably,
             CanPlay("'video/mp4; codecs=\"avc1.4D401E, mp4a.40.2\"'"));
-  EXPECT_EQ(kPropMaybe,
+  EXPECT_EQ(kPropProbably,
             CanPlay("'video/mp4; codecs=\"avc3.64001F, mp4a.40.5\"'"));
 
+  EXPECT_EQ(kPropMaybe, CanPlay("video/mp4; codecs=\"avc1, mp4a.40.2\"'"));
+  EXPECT_EQ(kPropMaybe, CanPlay("video/mp4; codecs=\"avc3, mp4a.40.2\"'"));
+  EXPECT_EQ(kPropMaybe, CanPlay("video/mp4; codecs=\"avc1.4D401E, mp4a.40\"'"));
+  EXPECT_EQ(kPropMaybe, CanPlay("video/mp4; codecs=\"avc3.64001F, mp4a.40\"'"));
+
+  EXPECT_EQ(kPropMaybe, CanPlay("video/mp4; codecs=\"avc1.ABCDEF\"'"));
+  EXPECT_EQ(kPropMaybe, CanPlay("video/mp4; codecs=\"mp4a.6A\"'"));
+  EXPECT_EQ(kPropMaybe, CanPlay("video/mp4; codecs=\"avc1.ABCDEF, mp4a.6A\"'"));
+  EXPECT_EQ(kPropMaybe, CanPlay("video/mp4; codecs=\"avc3.ABCDEF, mp4a.6A\"'"));
+  // TODO(amogh.bihani): This should give "maybe" but profile parameters for
+  // avc3 are not yet added to kProprietaryCodecsExpression list.
+  EXPECT_EQ(kPropProbably, CanPlay("video/mp4; codecs=\"avc3.ABCDEF\"'"));
+
   EXPECT_EQ(kNot, CanPlay("'video/mp4; codecs=\"avc1.unknown\"'"));
   EXPECT_EQ(kNot, CanPlay("'video/mp4; codecs=\"avc3.unknown\"'"));
   EXPECT_EQ(kNot, CanPlay("'video/mp4; codecs=\"mp4a.unknown\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'video/mp4; codecs=\"avc1.\"'"));
   EXPECT_EQ(kNot, CanPlay("'video/mp4; codecs=\"avc3.\"'"));
   EXPECT_EQ(kNot, CanPlay("'video/mp4; codecs=\"mp4a\"'"));
   EXPECT_EQ(kNot, CanPlay("'video/mp4; codecs=\"mp4a.\"'"));
   EXPECT_EQ(kNot, CanPlay("'video/mp4; codecs=\"mp4a.40.\"'"));
 
@@ skipping 41 matching lines @@
 
   EXPECT_EQ(kPropMaybe, CanPlay("'video/x-m4v'"));
 
   EXPECT_EQ(kPropMaybe, CanPlay("'video/x-m4v; codecs=\"avc1\"'"));
   EXPECT_EQ(kPropMaybe, CanPlay("'video/x-m4v; codecs=\"avc3\"'"));
   EXPECT_EQ(kPropMaybe, CanPlay("'video/x-m4v; codecs=\"mp4a.40\"'"));
   EXPECT_EQ(kPropMaybe, CanPlay("'video/x-m4v; codecs=\"avc1, mp4a.40\"'"));
   EXPECT_EQ(kPropMaybe, CanPlay("'video/x-m4v; codecs=\"avc3, mp4a.40\"'"));
   EXPECT_EQ(kPropMaybe, CanPlay("'video/x-m4v; codecs=\"avc1, avc3\"'"));
 
-  EXPECT_EQ(kPropMaybe, CanPlay("'video/x-m4v; codecs=\"avc1.4D401E\"'"));
-  EXPECT_EQ(kPropMaybe, CanPlay("'video/x-m4v; codecs=\"avc3.64001F\"'"));
-  EXPECT_EQ(kPropMaybe, CanPlay("'video/x-m4v; codecs=\"mp4a.40.2\"'"));
+  EXPECT_EQ(kPropProbably, CanPlay("'video/x-m4v; codecs=\"avc1.4D401E\"'"));
+  EXPECT_EQ(kPropProbably, CanPlay("'video/x-m4v; codecs=\"avc3.64001F\"'"));
+  EXPECT_EQ(kPropProbably, CanPlay("'video/x-m4v; codecs=\"mp4a.40.2\"'"));
+  EXPECT_EQ(kPropProbably,
+            CanPlay("'video/x-m4v; codecs=\"avc1.4D401E, mp4a.40.2\"'"));
+  EXPECT_EQ(kPropProbably,
+            CanPlay("'video/x-m4v; codecs=\"avc3.64001F, mp4a.40.5\"'"));
+
+  EXPECT_EQ(kPropMaybe, CanPlay("video/x-m4v; codecs=\"avc1, mp4a.40.2\"'"));
+  EXPECT_EQ(kPropMaybe, CanPlay("video/x-m4v; codecs=\"avc3, mp4a.40.2\"'"));
   EXPECT_EQ(kPropMaybe,
-            CanPlay("'video/x-m4v; codecs=\"avc1.4D401E, mp4a.40.2\"'"));
+            CanPlay("video/x-m4v; codecs=\"avc1.4D401E, mp4a.40\"'"));
   EXPECT_EQ(kPropMaybe,
-            CanPlay("'video/x-m4v; codecs=\"avc3.64001F, mp4a.40.5\"'"));
+            CanPlay("video/x-m4v; codecs=\"avc3.64001F, mp4a.40\"'"));
+
+  EXPECT_EQ(kPropMaybe, CanPlay("video/x-m4v; codecs=\"avc1.ABCDEF\"'"));
+  EXPECT_EQ(kPropMaybe, CanPlay("video/x-m4v; codecs=\"mp4a.6A\"'"));
+  EXPECT_EQ(kPropMaybe,
+            CanPlay("video/x-m4v; codecs=\"avc1.ABCDEF, mp4a.6A\"'"));
+  EXPECT_EQ(kPropMaybe,
+            CanPlay("video/x-m4v; codecs=\"avc3.ABCDEF, mp4a.6A\"'"));
+  // TODO(amogh.bihani): This should give "maybe" but profile parameters for
+  // avc3 are yet not added to kProprietaryCodecsExpression list.
+  EXPECT_EQ(kPropProbably, CanPlay("video/x-m4v; codecs=\"avc3.ABCDEF\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'video/x-m4v; codecs=\"avc1.unknown\"'"));
   EXPECT_EQ(kNot, CanPlay("'video/x-m4v; codecs=\"avc3.unknown\"'"));
   EXPECT_EQ(kNot, CanPlay("'video/x-m4v; codecs=\"mp4a.unknown\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'video/x-m4v; codecs=\"avc1.\"'"));
   EXPECT_EQ(kNot, CanPlay("'video/x-m4v; codecs=\"avc3.\"'"));
   EXPECT_EQ(kNot, CanPlay("'video/x-m4v; codecs=\"mp4a\"'"));
   EXPECT_EQ(kNot, CanPlay("'video/x-m4v; codecs=\"mp4a.\"'"));
   EXPECT_EQ(kNot, CanPlay("'video/x-m4v; codecs=\"mp4a.40.\"'"));
@@ skipping 35 matching lines @@
   EXPECT_EQ(kNot, CanPlay("'video/x-m4v; codecs=\"avc4\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'video/x-m4v; codecs=\"avc1x\"'"));
   EXPECT_EQ(kNot, CanPlay("'video/x-m4v; codecs=\"avc3x\"'"));
   EXPECT_EQ(kNot, CanPlay("'video/x-m4v; codecs=\"mp4ax\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'video/x-m4v; codecs=\"unknown\"'"));
 
   EXPECT_EQ(kPropMaybe, CanPlay("'audio/mp4'"));
   EXPECT_EQ(kPropMaybe, CanPlay("'audio/mp4; codecs=\"mp4a.40\"'"));
-  EXPECT_EQ(kPropMaybe, CanPlay("'audio/mp4; codecs=\"mp4a.40.2\"'"));
+  EXPECT_EQ(kPropProbably, CanPlay("'audio/mp4; codecs=\"mp4a.40.2\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'audio/mp4; codecs=\"avc1\"'"));
   EXPECT_EQ(kNot, CanPlay("'audio/mp4; codecs=\"avc3\"'"));
   EXPECT_EQ(kNot, CanPlay("'audio/mp4; codecs=\"avc1, mp4a.40\"'"));
   EXPECT_EQ(kNot, CanPlay("'audio/mp4; codecs=\"avc3, mp4a.40\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'audio/mp4; codecs=\"avc1.4D401E\"'"));
   EXPECT_EQ(kNot, CanPlay("'audio/mp4; codecs=\"avc3.64001F\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'audio/mp4; codecs=\"avc1.unknown\"'"));
@@ skipping 44 matching lines @@
   EXPECT_EQ(kNot, CanPlay("'audio/mp4; codecs=\"avc4\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'audio/mp4; codecs=\"avc1x\"'"));
   EXPECT_EQ(kNot, CanPlay("'audio/mp4; codecs=\"avc3x\"'"));
   EXPECT_EQ(kNot, CanPlay("'audio/mp4; codecs=\"mp4ax\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'audio/mp4; codecs=\"unknown\"'"));
 
   EXPECT_EQ(kPropMaybe, CanPlay("'audio/x-m4a'"));
   EXPECT_EQ(kPropMaybe, CanPlay("'audio/x-m4a; codecs=\"mp4a.40\"'"));
-  EXPECT_EQ(kPropMaybe, CanPlay("'audio/x-m4a; codecs=\"mp4a.40.2\"'"));
+  EXPECT_EQ(kPropProbably, CanPlay("'audio/x-m4a; codecs=\"mp4a.40.2\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'audio/x-m4a; codecs=\"avc1\"'"));
   EXPECT_EQ(kNot, CanPlay("'audio/x-m4a; codecs=\"avc3\"'"));
   EXPECT_EQ(kNot, CanPlay("'audio/x-m4a; codecs=\"avc1, mp4a\"'"));
   EXPECT_EQ(kNot, CanPlay("'audio/x-m4a; codecs=\"avc3, mp4a\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'audio/x-m4a; codecs=\"avc1.4D401E\"'"));
   EXPECT_EQ(kNot, CanPlay("'audio/x-m4a; codecs=\"avc3.64001F\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'audio/x-m4a; codecs=\"avc1.unknown\"'"));
@@ skipping 45 matching lines @@
 
   EXPECT_EQ(kNot, CanPlay("'audio/x-m4a; codecs=\"avc1x\"'"));
   EXPECT_EQ(kNot, CanPlay("'audio/x-m4a; codecs=\"avc3x\"'"));
   EXPECT_EQ(kNot, CanPlay("'audio/x-m4a; codecs=\"mp4ax\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'audio/x-m4a; codecs=\"unknown\"'"));
 }
 
 IN_PROC_BROWSER_TEST_F(MediaCanPlayTypeTest, CodecSupportTest_HLS) {
   // HLS are supported only on Android IceCreamSandwich and above (API level 14)
-  std::string canPlayHLS = kNot;
+  std::string probablyCanPlayHLS = kNot;
+  std::string maybeCanPlayHLS = kNot;
 #if defined(OS_ANDROID)
-  if (base::android::BuildInfo::GetInstance()->sdk_int() > 13)
-    canPlayHLS = kMaybe;
+  if (base::android::BuildInfo::GetInstance()->sdk_int() > 13) {
+    probablyCanPlayHLS = kProbably;
+    maybeCanPlayHLS = kMaybe;
+  }
 #endif
-  EXPECT_EQ(canPlayHLS, CanPlay("'application/x-mpegurl'"));
+  EXPECT_EQ(maybeCanPlayHLS, CanPlay("'application/x-mpegurl'"));
 
-  EXPECT_EQ(canPlayHLS, CanPlay("'application/x-mpegurl; codecs=\"avc1\"'"));
-  EXPECT_EQ(canPlayHLS, CanPlay("'application/x-mpegurl; codecs=\"avc3\"'"));
-  EXPECT_EQ(canPlayHLS, CanPlay("'application/x-mpegurl; codecs=\"mp4a.40\"'"));
-  EXPECT_EQ(canPlayHLS,
+  EXPECT_EQ(maybeCanPlayHLS,
+            CanPlay("'application/x-mpegurl; codecs=\"avc1\"'"));
+  EXPECT_EQ(maybeCanPlayHLS,
+            CanPlay("'application/x-mpegurl; codecs=\"avc3\"'"));
+  EXPECT_EQ(maybeCanPlayHLS,
+            CanPlay("'application/x-mpegurl; codecs=\"mp4a.40\"'"));
+  EXPECT_EQ(maybeCanPlayHLS,
             CanPlay("'application/x-mpegurl; codecs=\"avc1, mp4a.40\"'"));
-  EXPECT_EQ(canPlayHLS,
+  EXPECT_EQ(maybeCanPlayHLS,
             CanPlay("'application/x-mpegurl; codecs=\"avc3, mp4a.40\"'"));
 
-  EXPECT_EQ(canPlayHLS,
+  EXPECT_EQ(probablyCanPlayHLS,
             CanPlay("'application/x-mpegurl; codecs=\"avc1.4D401E\"'"));
-  EXPECT_EQ(canPlayHLS,
+  EXPECT_EQ(probablyCanPlayHLS,
             CanPlay("'application/x-mpegurl; codecs=\"avc3.64001F\"'"));
-  EXPECT_EQ(canPlayHLS,
+  EXPECT_EQ(probablyCanPlayHLS,
             CanPlay("'application/x-mpegurl; codecs=\"mp4a.40.2\"'"));
-  EXPECT_EQ(canPlayHLS,
+  EXPECT_EQ(probablyCanPlayHLS,
       CanPlay("'application/x-mpegurl; codecs=\"avc1.4D401E, mp4a.40.2\"'"));
-  EXPECT_EQ(canPlayHLS,
+  EXPECT_EQ(probablyCanPlayHLS,
       CanPlay("'application/x-mpegurl; codecs=\"avc3.64001F, mp4a.40.5\"'"));
 
+  EXPECT_EQ(maybeCanPlayHLS,
+            CanPlay("'application/x-mpegurl; codecs=\"avc1, mp4a.40.2\"'"));
+  EXPECT_EQ(maybeCanPlayHLS,
+            CanPlay("'application/x-mpegurl; codecs=\"avc3, mp4a.40.2\"'"));
+  EXPECT_EQ(maybeCanPlayHLS,
+      CanPlay("'application/x-mpegurl; codecs=\"avc1.4D401E, mp4a.40\"'"));
+  EXPECT_EQ(maybeCanPlayHLS,
+      CanPlay("'application/x-mpegurl; codecs=\"avc3.64001F, mp4a.40\"'"));
+
+  EXPECT_EQ(maybeCanPlayHLS,
+            CanPlay("'application/x-mpegurl; codecs=\"avc1.ABCDEF\"'"));
+  EXPECT_EQ(maybeCanPlayHLS,
+            CanPlay("'application/x-mpegurl; codecs=\"mp4a.6A\"'"));
+  EXPECT_EQ(maybeCanPlayHLS,
+      CanPlay("'application/x-mpegurl; codecs=\"avc1.ABCDEF, mp4a.6A\"'"));
+  EXPECT_EQ(maybeCanPlayHLS,
+      CanPlay("'application/x-mpegurl; codecs=\"avc3.ABCDEF, mp4a.6A\"'"));
+  // TODO(amogh.bihani): This should give "maybe" but profile parameters for
+  // avc3 are not yet added to kProprietaryCodecsExpression list.
+  EXPECT_EQ(probablyCanPlayHLS,
+            CanPlay("'application/x-mpegurl; codecs=\"avc1.ABCDEF\"'"));
+
   EXPECT_EQ(kNot, CanPlay("'application/x-mpegurl; codecs=\"avc1.unknown\"'"));
   EXPECT_EQ(kNot, CanPlay("'application/x-mpegurl; codecs=\"avc3.unknown\"'"));
   EXPECT_EQ(kNot, CanPlay("'application/x-mpegurl; codecs=\"mp4a.unknown\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'application/x-mpegurl; codecs=\"avc1.\"'"));
   EXPECT_EQ(kNot, CanPlay("'application/x-mpegurl; codecs=\"avc3.\"'"));
   EXPECT_EQ(kNot, CanPlay("'application/x-mpegurl; codecs=\"mp4a\"'"));
   EXPECT_EQ(kNot, CanPlay("'application/x-mpegurl; codecs=\"mp4a.\"'"));
   EXPECT_EQ(kNot, CanPlay("'application/x-mpegurl; codecs=\"mp4a.40.\"'"));
 
@@ skipping 34 matching lines @@
 
   EXPECT_EQ(kNot, CanPlay("'application/x-mpegurl; codecs=\"avc2\"'"));
   EXPECT_EQ(kNot, CanPlay("'application/x-mpegurl; codecs=\"avc4\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'application/x-mpegurl; codecs=\"avc1x\"'"));
   EXPECT_EQ(kNot, CanPlay("'application/x-mpegurl; codecs=\"avc3x\"'"));
   EXPECT_EQ(kNot, CanPlay("'application/x-mpegurl; codecs=\"mp4ax\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'application/x-mpegurl; codecs=\"unknown\"'"));
 
-  EXPECT_EQ(canPlayHLS, CanPlay("'application/vnd.apple.mpegurl'"));
+  EXPECT_EQ(maybeCanPlayHLS, CanPlay("'application/vnd.apple.mpegurl'"));

[acolwell GONE FROM CHROMIUM, 2014/06/30 20:00:06]

There appears to be a fair amount of duplication in this method. It seems like
you could at least halve the amount of code in this function by using a helper
function or loop.

 
-  EXPECT_EQ(canPlayHLS,
+  EXPECT_EQ(maybeCanPlayHLS,
             CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc1\"'"));
-  EXPECT_EQ(canPlayHLS,
+  EXPECT_EQ(maybeCanPlayHLS,
             CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc3\"'"));
-  EXPECT_EQ(canPlayHLS,
+  EXPECT_EQ(maybeCanPlayHLS,
             CanPlay("'application/vnd.apple.mpegurl; codecs=\"mp4a.40\"'"));
-  EXPECT_EQ(canPlayHLS,
+  EXPECT_EQ(maybeCanPlayHLS,
       CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc1, mp4a.40\"'"));
-  EXPECT_EQ(canPlayHLS,
+  EXPECT_EQ(maybeCanPlayHLS,
       CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc3, mp4a.40\"'"));
 
-  EXPECT_EQ(canPlayHLS,
+  EXPECT_EQ(probablyCanPlayHLS,
             CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc1.4D401E\"'"));
-  EXPECT_EQ(canPlayHLS,
+  EXPECT_EQ(probablyCanPlayHLS,
             CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc3.64001F\"'"));
-  EXPECT_EQ(canPlayHLS,
+  EXPECT_EQ(probablyCanPlayHLS,
             CanPlay("'application/vnd.apple.mpegurl; codecs=\"mp4a.40.2\"'"));
 
+  EXPECT_EQ(maybeCanPlayHLS,
+      CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc1, mp4a.40.2\"'"));
+  EXPECT_EQ(maybeCanPlayHLS,
+      CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc3, mp4a.40.2\"'"));
+  EXPECT_EQ(maybeCanPlayHLS,
+      CanPlay("'application/vnd.apple.mpegurl; "
+              "codecs=\"avc1.4D401E, mp4a.40\"'"));
+  EXPECT_EQ(maybeCanPlayHLS,
+      CanPlay("'application/vnd.apple.mpegurl; "
+              "codecs=\"avc3.64001F, mp4a.40\"'"));
+
+  EXPECT_EQ(maybeCanPlayHLS,
+            CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc1.ABCDEF\"'"));
+  EXPECT_EQ(maybeCanPlayHLS,
+            CanPlay("'application/vnd.apple.mpegurl; codecs=\"mp4a.6A\"'"));
+  EXPECT_EQ(maybeCanPlayHLS,
+      CanPlay("'application/vnd.apple.mpegurl; "
+              "codecs=\"avc1.ABCDEF, mp4a.6A\"'"));
+  EXPECT_EQ(maybeCanPlayHLS,
+      CanPlay("'application/vnd.apple.mpegurl; "
+              "codecs=\"avc3.ABCDEF, mp4a.6A\"'"));
+  // TODO(amogh.bihani): This should give "maybe" but profile parameters for
+  // avc3 are not yet added to kProprietaryCodecsExpression list.
+  EXPECT_EQ(probablyCanPlayHLS,
+            CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc1.ABCDEF\"'"));
+
   EXPECT_EQ(kNot,
       CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc1.unknown\"'"));
   EXPECT_EQ(kNot,
       CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc3.unknown\"'"));
   EXPECT_EQ(kNot,
       CanPlay("'application/vnd.apple.mpegurl; codecs=\"mp4a.unknown\"'"));
 
   EXPECT_EQ(kNot, CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc1.\"'"));
   EXPECT_EQ(kNot, CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc3.\"'"));
   EXPECT_EQ(kNot, CanPlay("'application/vnd.apple.mpegurl; codecs=\"mp4a\"'"));
@@ skipping 59 matching lines @@
 
   EXPECT_EQ(kNot, CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc1x\"'"));
   EXPECT_EQ(kNot, CanPlay("'application/vnd.apple.mpegurl; codecs=\"avc3x\"'"));
   EXPECT_EQ(kNot, CanPlay("'application/vnd.apple.mpegurl; codecs=\"mp4ax\"'"));
 
   EXPECT_EQ(kNot,
             CanPlay("'application/vnd.apple.mpegurl; codecs=\"unknown\"'"));
 }
 
 }  // namespace content