chrome/browser/media/encrypted_media

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This source file includes following definitions.
IsMSESupported
IsParentKeySystemOf
IsExternalClearKey
IsWidevine
RunEncryptedMediaTestPage
RunEncryptedMediaTest
RunSimpleEncryptedMediaTest
StartLicenseServerIfNeeded
IsPlayBackPossible
GetServerConfig
AddWaitForTitles
SetUpCommandLine
SetUpCommandLineForKeySystem
RegisterPepperCdm
GetPepperType
TestNonPlaybackCases
SetUpCommandLine
SetUpCommandLine
CurrentKeySystem
CurrentSourceType
CurrentEmeVersion
TestSimplePlayback
RunInvalidResponseTest
TestFrameSizeChange
TestConfigChange
SetUpCommandLine
IN_PROC_BROWSER_TEST_P
IN_PROC_BROWSER_TEST_P
IN_PROC_BROWSER_TEST_P
IN_PROC_BROWSER_TEST_P
IN_PROC_BROWSER_TEST_P
IN_PROC_BROWSER_TEST_P
IN_PROC_BROWSER_TEST_P
IN_PROC_BROWSER_TEST_P
IN_PROC_BROWSER_TEST_P
IN_PROC_BROWSER_TEST_P
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
IN_PROC_BROWSER_TEST_F
// Copyright 2013 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 "base/command_line.h"
#include "base/memory/scoped_ptr.h"
#include "base/path_service.h"
#include "base/strings/utf_string_conversions.h"
#include "base/win/windows_version.h"
#include "chrome/browser/media/media_browsertest.h"
#include "chrome/browser/media/test_license_server.h"
#include "chrome/browser/media/wv_test_license_server_config.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/chrome_switches.h"
#include "content/public/test/browser_test_utils.h"
#include "testing/gtest/include/gtest/gtest-spi.h"
#if defined(OS_ANDROID)
#include "base/android/build_info.h"
#endif

#include "widevine_cdm_version.h"  //  In SHARED_INTERMEDIATE_DIR.

#if defined(ENABLE_PEPPER_CDMS)
// Platform-specific filename relative to the chrome executable.
const char kClearKeyCdmAdapterFileName[] =
#if defined(OS_MACOSX)
    "clearkeycdmadapter.plugin";
#elif defined(OS_WIN)
    "clearkeycdmadapter.dll";
#elif defined(OS_POSIX)
    "libclearkeycdmadapter.so";
#endif

const char kClearKeyCdmPluginMimeType[] = "application/x-ppapi-clearkey-cdm";
#endif  // defined(ENABLE_PEPPER_CDMS)

// Available key systems.
const char kClearKeyKeySystem[] = "org.w3.clearkey";
const char kPrefixedClearKeyKeySystem[] = "webkit-org.w3.clearkey";
const char kExternalClearKeyKeySystem[] = "org.chromium.externalclearkey";
const char kExternalClearKeyDecryptOnlyKeySystem[] =
    "org.chromium.externalclearkey.decryptonly";
const char kExternalClearKeyFileIOTestKeySystem[] =
    "org.chromium.externalclearkey.fileiotest";
const char kExternalClearKeyInitializeFailKeySystem[] =
    "org.chromium.externalclearkey.initializefail";
const char kExternalClearKeyCrashKeySystem[] =
    "org.chromium.externalclearkey.crash";

// Supported media types.
const char kWebMAudioOnly[] = "audio/webm; codecs=\"vorbis\"";
const char kWebMVideoOnly[] = "video/webm; codecs=\"vp8\"";
const char kWebMAudioVideo[] = "video/webm; codecs=\"vorbis, vp8\"";
#if defined(USE_PROPRIETARY_CODECS)
const char kMP4AudioOnly[] = "audio/mp4; codecs=\"mp4a.40.2\"";
const char kMP4VideoOnly[] = "video/mp4; codecs=\"avc1.4D4041\"";
#endif  // defined(USE_PROPRIETARY_CODECS)

// Sessions to load.
const char kNoSessionToLoad[] = "";
const char kLoadableSession[] = "LoadableSession";
const char kUnknownSession[] = "UnknownSession";

// EME-specific test results and errors.
const char kEmeKeyError[] = "KEYERROR";
const char kEmeNotSupportedError[] = "NOTSUPPORTEDERROR";
const char kFileIOTestSuccess[] = "FILEIOTESTSUCCESS";

// The type of video src used to load media.
enum SrcType {
  SRC,
  MSE
};

// Whether to use prefixed or unprefixed EME.
enum EmeVersion {
  PREFIXED,
  UNPREFIXED
};

// MSE is available on all desktop platforms and on Android 4.1 and later.
static bool IsMSESupported() {
#if defined(OS_ANDROID)
  if (base::android::BuildInfo::GetInstance()->sdk_int() < 16) {
    VLOG(0) << "MSE is only supported in Android 4.1 and later.";
    return false;
  }
#endif  // defined(OS_ANDROID)
  return true;
}

static bool IsParentKeySystemOf(const std::string& parent_key_system,
                                const std::string& key_system) {
  std::string prefix = parent_key_system + '.';
  return key_system.substr(0, prefix.size()) == prefix;
}

// Base class for encrypted media tests.
class EncryptedMediaTestBase : public MediaBrowserTest {
 public:
  EncryptedMediaTestBase() : is_pepper_cdm_registered_(false) {}

  bool IsExternalClearKey(const std::string& key_system) {
    return key_system == kExternalClearKeyKeySystem ||
           IsParentKeySystemOf(kExternalClearKeyKeySystem, key_system);
  }

#if defined(WIDEVINE_CDM_AVAILABLE)
  bool IsWidevine(const std::string& key_system) {
    return key_system == kWidevineKeySystem;
  }
#endif  // defined(WIDEVINE_CDM_AVAILABLE)

  void RunEncryptedMediaTestPage(const std::string& html_page,
                                 const std::string& key_system,
                                 std::vector<StringPair>* query_params,
                                 const std::string& expected_title) {
    StartLicenseServerIfNeeded(key_system, query_params);
    RunMediaTestPage(html_page, query_params, expected_title, true);
  }

  // Tests |html_page| using |media_file| (with |media_type|) and |key_system|.
  // When |session_to_load| is not empty, the test will try to load
  // |session_to_load| with stored keys, instead of creating a new session
  // and trying to update it with licenses.
  // When |force_invalid_response| is true, the test will provide invalid
  // responses, which should trigger errors.
  // TODO(xhwang): Find an easier way to pass multiple configuration test
  // options.
  void RunEncryptedMediaTest(const std::string& html_page,
                             const std::string& media_file,
                             const std::string& media_type,
                             const std::string& key_system,
                             SrcType src_type,
                             EmeVersion eme_version,
                             const std::string& session_to_load,
                             bool force_invalid_response,
                             const std::string& expected_title) {
    if (src_type == MSE && !IsMSESupported()) {
      VLOG(0) << "Skipping test - MSE not supported.";
      return;
    }
    std::vector<StringPair> query_params;
    query_params.push_back(std::make_pair("mediaFile", media_file));
    query_params.push_back(std::make_pair("mediaType", media_type));
    query_params.push_back(std::make_pair("keySystem", key_system));
    if (src_type == MSE)
      query_params.push_back(std::make_pair("useMSE", "1"));
    if (eme_version == PREFIXED)
      query_params.push_back(std::make_pair("usePrefixedEME", "1"));
    if (force_invalid_response)
      query_params.push_back(std::make_pair("forceInvalidResponse", "1"));
    if (!session_to_load.empty())
      query_params.push_back(std::make_pair("sessionToLoad", session_to_load));
    RunEncryptedMediaTestPage(html_page, key_system, &query_params,
                              expected_title);
  }

  void RunSimpleEncryptedMediaTest(const std::string& media_file,
                                   const std::string& media_type,
                                   const std::string& key_system,
                                   SrcType src_type,
                                   EmeVersion eme_version) {
    std::string expected_title = kEnded;
    if (!IsPlayBackPossible(key_system))
      expected_title = kEmeKeyError;

    RunEncryptedMediaTest("encrypted_media_player.html",
                          media_file,
                          media_type,
                          key_system,
                          src_type,
                          eme_version,
                          kNoSessionToLoad,
                          false,
                          expected_title);
    // Check KeyMessage received for all key systems.
    bool receivedKeyMessage = false;
    EXPECT_TRUE(content::ExecuteScriptAndExtractBool(
        browser()->tab_strip_model()->GetActiveWebContents(),
        "window.domAutomationController.send(video.receivedKeyMessage);",
        &receivedKeyMessage));
    EXPECT_TRUE(receivedKeyMessage);
  }


  void StartLicenseServerIfNeeded(const std::string& key_system,
                                  std::vector<StringPair>* query_params) {
    scoped_ptr<TestLicenseServerConfig> config = GetServerConfig(key_system);
    if (!config)
      return;
    license_server_.reset(new TestLicenseServer(config.Pass()));
    EXPECT_TRUE(license_server_->Start());
    query_params->push_back(std::make_pair("licenseServerURL",
        license_server_->GetServerURL()));
  }

  bool IsPlayBackPossible(const std::string& key_system) {
#if defined(WIDEVINE_CDM_AVAILABLE)
    if (IsWidevine(key_system) && !GetServerConfig(key_system))
      return false;
#endif  // defined(WIDEVINE_CDM_AVAILABLE)
    return true;
  }

  scoped_ptr<TestLicenseServerConfig> GetServerConfig(
      const std::string& key_system) {
#if defined(WIDEVINE_CDM_AVAILABLE)
    if (IsWidevine(key_system)) {
      scoped_ptr<TestLicenseServerConfig> config =
         scoped_ptr<TestLicenseServerConfig>(new WVTestLicenseServerConfig());
      if (config->IsPlatformSupported())
        return config.Pass();
    }
#endif  // defined(WIDEVINE_CDM_AVAILABLE)
    return scoped_ptr<TestLicenseServerConfig>();
  }

 protected:
  scoped_ptr<TestLicenseServer> license_server_;

  // We want to fail quickly when a test fails because an error is encountered.
  virtual void AddWaitForTitles(content::TitleWatcher* title_watcher) OVERRIDE {
    MediaBrowserTest::AddWaitForTitles(title_watcher);
    title_watcher->AlsoWaitForTitle(base::ASCIIToUTF16(kEmeNotSupportedError));
    title_watcher->AlsoWaitForTitle(base::ASCIIToUTF16(kEmeKeyError));
  }

  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
#if defined(OS_ANDROID)
    command_line->AppendSwitch(
        switches::kDisableGestureRequirementForMediaPlayback);
#endif  // defined(OS_ANDROID)
  }

  void SetUpCommandLineForKeySystem(const std::string& key_system,
                                    CommandLine* command_line) {
    if (GetServerConfig(key_system))
      // Since the web and license servers listen on different ports, we need to
      // disable web-security to send license requests to the license server.
      // TODO(shadi): Add port forwarding to the test web server configuration.
      command_line->AppendSwitch(switches::kDisableWebSecurity);

#if defined(ENABLE_PEPPER_CDMS)
    if (IsExternalClearKey(key_system)) {
      RegisterPepperCdm(command_line, kClearKeyCdmAdapterFileName, key_system);
    }
#if defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT)
    else if (IsWidevine(key_system)) {
      RegisterPepperCdm(command_line, kWidevineCdmAdapterFileName, key_system);
    }
#endif  // defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT)
#endif  // defined(ENABLE_PEPPER_CDMS)
  }

 private:
#if defined(ENABLE_PEPPER_CDMS)
  void RegisterPepperCdm(CommandLine* command_line,
                         const std::string& adapter_name,
                         const std::string& key_system) {
    DCHECK(!is_pepper_cdm_registered_)
        << "RegisterPepperCdm() can only be called once.";
    is_pepper_cdm_registered_ = true;

    // Append the switch to register the Clear Key CDM Adapter.
    base::FilePath plugin_dir;
    EXPECT_TRUE(PathService::Get(base::DIR_MODULE, &plugin_dir));
    base::FilePath plugin_lib = plugin_dir.AppendASCII(adapter_name);
    EXPECT_TRUE(base::PathExists(plugin_lib)) << plugin_lib.value();
    base::FilePath::StringType pepper_plugin = plugin_lib.value();
    pepper_plugin.append(FILE_PATH_LITERAL("#CDM#0.1.0.0;"));
#if defined(OS_WIN)
    pepper_plugin.append(base::ASCIIToWide(GetPepperType(key_system)));
#else
    pepper_plugin.append(GetPepperType(key_system));
#endif
    command_line->AppendSwitchNative(switches::kRegisterPepperPlugins,
                                     pepper_plugin);
  }

  // Adapted from key_systems.cc.
  std::string GetPepperType(const std::string& key_system) {
    if (IsExternalClearKey(key_system))
      return kClearKeyCdmPluginMimeType;
#if defined(WIDEVINE_CDM_AVAILABLE)
    if (IsWidevine(key_system))
      return kWidevineCdmPluginMimeType;
#endif  // WIDEVINE_CDM_AVAILABLE

    NOTREACHED();
    return "";
  }
#endif  // defined(ENABLE_PEPPER_CDMS)

  bool is_pepper_cdm_registered_;
};

#if defined(ENABLE_PEPPER_CDMS)
// Tests encrypted media playback using ExternalClearKey key system in
// decrypt-and-decode mode.
class ECKEncryptedMediaTest : public EncryptedMediaTestBase {
 public:
  // We use special |key_system| names to do non-playback related tests, e.g.
  // kExternalClearKeyFileIOTestKeySystem is used to test file IO.
  void TestNonPlaybackCases(const std::string& key_system,
                            const std::string& expected_title) {
    // Since we do not test playback, arbitrarily choose a test file and source
    // type.
    RunEncryptedMediaTest("encrypted_media_player.html",
                          "bear-a-enc_a.webm",
                          kWebMAudioOnly,
                          key_system,
                          SRC,
                          PREFIXED,
                          kNoSessionToLoad,
                          false,
                          expected_title);
  }

 protected:
  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
    EncryptedMediaTestBase::SetUpCommandLine(command_line);
    SetUpCommandLineForKeySystem(kExternalClearKeyKeySystem, command_line);
  }
};

#if defined(WIDEVINE_CDM_AVAILABLE)
// Tests encrypted media playback using Widevine key system.
class WVEncryptedMediaTest : public EncryptedMediaTestBase {
 protected:
  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
    EncryptedMediaTestBase::SetUpCommandLine(command_line);
    command_line->AppendSwitch(switches::kEnableEncryptedMedia);
    SetUpCommandLineForKeySystem(kWidevineKeySystem, command_line);
  }
};

#endif  // defined(WIDEVINE_CDM_AVAILABLE)
#endif  // defined(ENABLE_PEPPER_CDMS)

// Tests encrypted media playback with a combination of parameters:
// - char*: Key system name.
// - bool: True to load media using MSE, otherwise use src.
// - bool: True to use unprefixed EME, otherwise use prefixed EME.
//
// Note: Only parameterized (*_P) tests can be used. Non-parameterized (*_F)
// tests will crash at GetParam(). To add non-parameterized tests, use
// EncryptedMediaTestBase or one of its subclasses (e.g. WVEncryptedMediaTest).
class EncryptedMediaTest
    : public EncryptedMediaTestBase,
      public testing::WithParamInterface<
          std::tr1::tuple<const char*, SrcType, EmeVersion> > {
 public:
  std::string CurrentKeySystem() {
    return std::tr1::get<0>(GetParam());
  }

  SrcType CurrentSourceType() {
    return std::tr1::get<1>(GetParam());
  }

  EmeVersion CurrentEmeVersion() {
    return std::tr1::get<2>(GetParam());
  }

  void TestSimplePlayback(const std::string& encrypted_media,
                          const std::string& media_type) {
    RunSimpleEncryptedMediaTest(encrypted_media,
                                media_type,
                                CurrentKeySystem(),
                                CurrentSourceType(),
                                CurrentEmeVersion());
  }

  void RunInvalidResponseTest() {
    RunEncryptedMediaTest("encrypted_media_player.html",
                          "bear-320x240-av-enc_av.webm",
                          kWebMAudioVideo,
                          CurrentKeySystem(),
                          CurrentSourceType(),
                          CurrentEmeVersion(),
                          kNoSessionToLoad,
                          true,
                          kEmeKeyError);
  }

  void TestFrameSizeChange() {
    RunEncryptedMediaTest("encrypted_frame_size_change.html",
                          "frame_size_change-av-enc-v.webm",
                          kWebMAudioVideo,
                          CurrentKeySystem(),
                          CurrentSourceType(),
                          CurrentEmeVersion(),
                          kNoSessionToLoad,
                          false,
                          kEnded);
  }

  void TestConfigChange() {
    DCHECK(IsMSESupported());
    std::vector<StringPair> query_params;
    query_params.push_back(std::make_pair("keySystem", CurrentKeySystem()));
    query_params.push_back(std::make_pair("runEncrypted", "1"));
    if (CurrentEmeVersion() == PREFIXED)
      query_params.push_back(std::make_pair("usePrefixedEME", "1"));
    RunEncryptedMediaTestPage("mse_config_change.html",
                              CurrentKeySystem(),
                              &query_params,
                              kEnded);
  }

 protected:
  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
    EncryptedMediaTestBase::SetUpCommandLine(command_line);
    SetUpCommandLineForKeySystem(CurrentKeySystem(), command_line);

    if (CurrentEmeVersion() == UNPREFIXED)
      command_line->AppendSwitch(switches::kEnableEncryptedMedia);
  }
};

using ::testing::Combine;
using ::testing::Values;

#if !defined(OS_ANDROID)
INSTANTIATE_TEST_CASE_P(SRC_ClearKey_Prefixed,
                        EncryptedMediaTest,
                        Combine(Values(kPrefixedClearKeyKeySystem),
                                Values(SRC),
                                Values(PREFIXED)));

// TODO(jrummell): Enable unprefixed tests before shipping unprefixed EME.
// Disabled now as they don't provide much additional coverage, but do take a
// bit of time to execute.
INSTANTIATE_TEST_CASE_P(DISABLED_SRC_ClearKey,
                        EncryptedMediaTest,
                        Combine(Values(kClearKeyKeySystem),
                                Values(SRC),
                                Values(UNPREFIXED)));
#endif  // !defined(OS_ANDROID)

INSTANTIATE_TEST_CASE_P(MSE_ClearKey_Prefixed,
                        EncryptedMediaTest,
                        Combine(Values(kPrefixedClearKeyKeySystem),
                                Values(MSE),
                                Values(PREFIXED)));
INSTANTIATE_TEST_CASE_P(MSE_ClearKey,
                        EncryptedMediaTest,
                        Combine(Values(kClearKeyKeySystem),
                                Values(MSE),
                                Values(UNPREFIXED)));

// External Clear Key is currently only used on platforms that use Pepper CDMs.
#if defined(ENABLE_PEPPER_CDMS)
INSTANTIATE_TEST_CASE_P(SRC_ExternalClearKey_Prefixed,
                        EncryptedMediaTest,
                        Combine(Values(kExternalClearKeyKeySystem),
                                Values(SRC),
                                Values(PREFIXED)));
INSTANTIATE_TEST_CASE_P(SRC_ExternalClearKey,
                        EncryptedMediaTest,
                        Combine(Values(kExternalClearKeyKeySystem),
                                Values(SRC),
                                Values(UNPREFIXED)));
INSTANTIATE_TEST_CASE_P(MSE_ExternalClearKey_Prefixed,
                        EncryptedMediaTest,
                        Combine(Values(kExternalClearKeyKeySystem),
                                Values(MSE),
                                Values(PREFIXED)));
INSTANTIATE_TEST_CASE_P(MSE_ExternalClearKey,
                        EncryptedMediaTest,
                        Combine(Values(kExternalClearKeyKeySystem),
                                Values(MSE),
                                Values(UNPREFIXED)));
// To reduce test time, only run ExternalClearKeyDecryptOnly with MSE.
INSTANTIATE_TEST_CASE_P(MSE_ExternalClearKeyDecryptOnly_Prefixed,
                        EncryptedMediaTest,
                        Combine(Values(kExternalClearKeyDecryptOnlyKeySystem),
                                Values(MSE),
                                Values(PREFIXED)));
INSTANTIATE_TEST_CASE_P(MSE_ExternalClearKeyDecryptOnly,
                        EncryptedMediaTest,
                        Combine(Values(kExternalClearKeyDecryptOnlyKeySystem),
                                Values(MSE),
                                Values(UNPREFIXED)));
#endif // defined(ENABLE_PEPPER_CDMS)

#if defined(WIDEVINE_CDM_AVAILABLE)
// This test doesn't fully test playback with Widevine. So we only run Widevine
// test with MSE (no SRC) to reduce test time. Also, on Android EME only works
// with MSE and we cannot run this test with SRC.
INSTANTIATE_TEST_CASE_P(MSE_Widevine_Prefixed,
                        EncryptedMediaTest,
                        Combine(Values(kWidevineKeySystem),
                                Values(MSE),
                                Values(PREFIXED)));

// Following tests fail if Widevine is loaded as a component, crbug.com/356833.
#if !defined(WIDEVINE_CDM_IS_COMPONENT)
INSTANTIATE_TEST_CASE_P(MSE_Widevine,
                        EncryptedMediaTest,
                        Combine(Values(kWidevineKeySystem),
                                Values(MSE),
                                Values(UNPREFIXED)));
#endif  // !defined(WIDEVINE_CDM_IS_COMPONENT)
#endif  // defined(WIDEVINE_CDM_AVAILABLE)

IN_PROC_BROWSER_TEST_P(EncryptedMediaTest, Playback_AudioOnly_WebM) {
#if defined(WIDEVINE_CDM_AVAILABLE)
  if (IsWidevine(CurrentKeySystem())) {
    VLOG(0) << "Test disabled on Widevine key system, crbug.com/349526.";
    return;
  }
#endif
  TestSimplePlayback("bear-a-enc_a.webm", kWebMAudioOnly);
}

IN_PROC_BROWSER_TEST_P(EncryptedMediaTest, Playback_AudioClearVideo_WebM) {
#if defined(WIDEVINE_CDM_AVAILABLE)
  if (IsWidevine(CurrentKeySystem())) {
    VLOG(0) << "Test disabled on Widevine key system, crbug.com/349526.";
    return;
  }
#endif
  TestSimplePlayback("bear-320x240-av-enc_a.webm", kWebMAudioVideo);
}

IN_PROC_BROWSER_TEST_P(EncryptedMediaTest, Playback_VideoAudio_WebM) {
  TestSimplePlayback("bear-320x240-av-enc_av.webm", kWebMAudioVideo);
}

IN_PROC_BROWSER_TEST_P(EncryptedMediaTest, Playback_VideoOnly_WebM) {
  TestSimplePlayback("bear-320x240-v-enc_v.webm", kWebMVideoOnly);
}

IN_PROC_BROWSER_TEST_P(EncryptedMediaTest, Playback_VideoClearAudio_WebM) {
  TestSimplePlayback("bear-320x240-av-enc_v.webm", kWebMAudioVideo);
}

IN_PROC_BROWSER_TEST_P(EncryptedMediaTest, InvalidResponseKeyError) {
  RunInvalidResponseTest();
}

IN_PROC_BROWSER_TEST_P(EncryptedMediaTest, ConfigChangeVideo) {
  if (CurrentSourceType() != MSE || !IsMSESupported()) {
    VLOG(0) << "Skipping test - ConfigChange test requires MSE.";
    return;
  }
  if (!IsPlayBackPossible(CurrentKeySystem())) {
    VLOG(0) << "Skipping test - ConfigChange test requires video playback.";
    return;
  }
  TestConfigChange();
}

IN_PROC_BROWSER_TEST_P(EncryptedMediaTest, FrameSizeChangeVideo) {
  // Times out on Windows XP. http://crbug.com/171937
#if defined(OS_WIN)
  if (base::win::GetVersion() < base::win::VERSION_VISTA)
    return;
#endif
  if (!IsPlayBackPossible(CurrentKeySystem())) {
    VLOG(0) << "Skipping test - FrameSizeChange test requires video playback.";
    return;
  }
  TestFrameSizeChange();
}

#if defined(USE_PROPRIETARY_CODECS)
IN_PROC_BROWSER_TEST_P(EncryptedMediaTest, Playback_VideoOnly_MP4) {
  // MP4 without MSE is not support yet, http://crbug.com/170793.
  if (CurrentSourceType() != MSE) {
    VLOG(0) << "Skipping test; Can only play MP4 encrypted streams by MSE.";
    return;
  }
  TestSimplePlayback("bear-640x360-v_frag-cenc.mp4", kMP4VideoOnly);
}

IN_PROC_BROWSER_TEST_P(EncryptedMediaTest, Playback_AudioOnly_MP4) {
  // MP4 without MSE is not support yet, http://crbug.com/170793.
  if (CurrentSourceType() != MSE) {
    VLOG(0) << "Skipping test; Can only play MP4 encrypted streams by MSE.";
    return;
  }
  TestSimplePlayback("bear-640x360-a_frag-cenc.mp4", kMP4AudioOnly);
}
#endif  // defined(USE_PROPRIETARY_CODECS)

#if defined(WIDEVINE_CDM_AVAILABLE)
// The parent key system cannot be used in generateKeyRequest.
IN_PROC_BROWSER_TEST_F(WVEncryptedMediaTest, ParentThrowsException_Prefixed) {
  RunEncryptedMediaTest("encrypted_media_player.html",
                        "bear-a-enc_a.webm",
                        kWebMAudioOnly,
                        "com.widevine",
                        MSE,
                        PREFIXED,
                        kNoSessionToLoad,
                        false,
                        kEmeNotSupportedError);
}

// TODO(jrummell): http://crbug.com/349181
// The parent key system cannot be used when creating MediaKeys.
IN_PROC_BROWSER_TEST_F(WVEncryptedMediaTest, ParentThrowsException) {
  RunEncryptedMediaTest("encrypted_media_player.html",
                        "bear-a-enc_a.webm",
                        kWebMAudioOnly,
                        "com.widevine",
                        MSE,
                        UNPREFIXED,
                        kNoSessionToLoad,
                        false,
                        kEmeNotSupportedError);
}
#endif  // defined(WIDEVINE_CDM_AVAILABLE)

#if defined(ENABLE_PEPPER_CDMS)
IN_PROC_BROWSER_TEST_F(ECKEncryptedMediaTest, InitializeCDMFail) {
  TestNonPlaybackCases(kExternalClearKeyInitializeFailKeySystem, kEmeKeyError);
}

// When CDM crashes, we should still get a decode error.
IN_PROC_BROWSER_TEST_F(ECKEncryptedMediaTest, CDMCrashDuringDecode) {
  IgnorePluginCrash();
  TestNonPlaybackCases(kExternalClearKeyCrashKeySystem, kError);
}

// Testing that the media browser test does fail on plugin crash.
IN_PROC_BROWSER_TEST_F(ECKEncryptedMediaTest, CDMExpectedCrash) {
  // Plugin crash is not ignored by default, the test is expected to fail.
  EXPECT_NONFATAL_FAILURE(
      TestNonPlaybackCases(kExternalClearKeyCrashKeySystem, kError),
      "plugin crash");
}

IN_PROC_BROWSER_TEST_F(ECKEncryptedMediaTest, FileIOTest) {
  TestNonPlaybackCases(kExternalClearKeyFileIOTestKeySystem,
                       kFileIOTestSuccess);
}

IN_PROC_BROWSER_TEST_F(ECKEncryptedMediaTest, LoadLoadableSession) {
  RunEncryptedMediaTest("encrypted_media_player.html",
                        "bear-320x240-v-enc_v.webm",
                        kWebMVideoOnly,
                        kExternalClearKeyKeySystem,
                        SRC,
                        PREFIXED,
                        kLoadableSession,
                        false,
                        kEnded);
}

IN_PROC_BROWSER_TEST_F(ECKEncryptedMediaTest, LoadUnknownSession) {
  // TODO(xhwang): Add a specific error for this failure, e.g. kSessionNotFound.
  RunEncryptedMediaTest("encrypted_media_player.html",
                        "bear-320x240-v-enc_v.webm",
                        kWebMVideoOnly,
                        kExternalClearKeyKeySystem,
                        SRC,
                        PREFIXED,
                        kUnknownSession,
                        false,
                        kEmeKeyError);
}
#endif  // defined(ENABLE_PEPPER_CDMS)
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root/chrome/browser/media/encrypted_media_browsertest.cc

DEFINITIONS
