Bug 1200059 - Make Adobe Primetime EME usable on MacOSX if available. r=edwin

dom/media/eme/EMEUtils.cpp

@@ -89,7 +89,6 @@ ParseKeySystem(const nsAString& aExpectedKeySystem,
 
 static const char16_t* sKeySystems[] = {
   MOZ_UTF16("org.w3.clearkey"),
-  MOZ_UTF16("com.adobe.access"),
   MOZ_UTF16("com.adobe.primetime"),
 };
 

dom/media/eme/GMPVideoDecoderTrialCreator.h

@@ -90,7 +90,7 @@ private:
   static TrialCreateState GetCreateTrialState(const nsAString& aKeySystem);
 
   struct TrialCreateData {
-    TrialCreateData(const nsAString& aKeySystem)
+    explicit TrialCreateData(const nsAString& aKeySystem)
       : mKeySystem(aKeySystem)
       , mStatus(GetCreateTrialState(aKeySystem))
     {}
@@ -141,7 +141,7 @@ public:
   class Callback : public GetGMPVideoDecoderCallback
   {
   public:
-    Callback(TestGMPVideoDecoder* aInstance)
+    explicit Callback(TestGMPVideoDecoder* aInstance)
       : mInstance(aInstance)
     {}
     ~Callback() {}

dom/media/eme/MediaKeySystemAccess.cpp

@@ -15,6 +15,9 @@
 #include "mozilla/WindowsVersion.h"
 #include "WMFDecoderModule.h"
 #endif
+#ifdef XP_MACOSX
+#include "nsCocoaFeatures.h"
+#endif
 #include "nsContentCID.h"
 #include "nsServiceManagerUtils.h"
 #include "mozIGeckoMediaPluginService.h"
@@ -28,6 +31,10 @@
 #include "nsDirectoryServiceDefs.h"
 #include "nsXULAppAPI.h"
 
+#if defined(XP_WIN) || defined(XP_MACOSX)
+#define PRIMETIME_EME_SUPPORTED 1
+#endif
+
 namespace mozilla {
 namespace dom {
 
@@ -168,8 +175,7 @@ EnsureMinCDMVersion(mozIGeckoMediaPluginService* aGMPService,
   }
 
 #ifdef XP_WIN
-  if (aKeySystem.EqualsLiteral("com.adobe.access") ||
-      aKeySystem.EqualsLiteral("com.adobe.primetime")) {
+  if (aKeySystem.EqualsLiteral("com.adobe.primetime")) {
     // Verify that anti-virus hasn't "helpfully" deleted the Adobe GMP DLL,
     // as we suspect may happen (Bug 1160382).
     bool somethingMissing = false;
@@ -225,21 +231,27 @@ MediaKeySystemAccess::GetKeySystemStatus(const nsAString& aKeySystem,
     return EnsureMinCDMVersion(mps, aKeySystem, aMinCdmVersion, aOutMessage);
   }
 
+#ifdef PRIMETIME_EME_SUPPORTED
+  if (aKeySystem.EqualsLiteral("com.adobe.primetime")) {
+    if (!Preferences::GetBool("media.gmp-eme-adobe.enabled", false)) {
+      aOutMessage = NS_LITERAL_CSTRING("Adobe EME disabled");
+      return MediaKeySystemStatus::Cdm_disabled;
+    }
 #ifdef XP_WIN
-  if ((aKeySystem.EqualsLiteral("com.adobe.access") ||
-       aKeySystem.EqualsLiteral("com.adobe.primetime"))) {
     // Win Vista and later only.
     if (!IsVistaOrLater()) {
       aOutMessage = NS_LITERAL_CSTRING("Minimum Windows version not met for Adobe EME");
       return MediaKeySystemStatus::Cdm_not_supported;
     }
-    if (!Preferences::GetBool("media.gmp-eme-adobe.enabled", false)) {
-      aOutMessage = NS_LITERAL_CSTRING("Adobe EME disabled");
-      return MediaKeySystemStatus::Cdm_disabled;
+#endif
+#ifdef XP_MACOSX
+    if (!nsCocoaFeatures::OnLionOrLater()) {
+      aOutMessage = NS_LITERAL_CSTRING("Minimum MacOSX version not met for Adobe EME");
+      return MediaKeySystemStatus::Cdm_not_supported;
     }
+#endif
     if (!EMEVoucherFileExists()) {
-      // The system doesn't have the codecs that Adobe EME relies
-      // on installed, or doesn't have a voucher for the plugin-container.
+      // Gecko doesn't have a voucher file for the plugin-container.
       // Adobe EME isn't going to work, so don't advertise that it will.
       aOutMessage = NS_LITERAL_CSTRING("Plugin-container voucher not present");
       return MediaKeySystemStatus::Cdm_not_supported;

dom/media/eme/MediaKeySystemAccessManager.cpp

@@ -13,6 +13,9 @@
 #ifdef XP_WIN
 #include "mozilla/WindowsVersion.h"
 #endif
+#ifdef XP_MACOSX
+#include "nsCocoaFeatures.h"
+#endif
 #include "nsPrintfCString.h"
 
 namespace mozilla {
@@ -74,6 +77,23 @@ MediaKeySystemAccessManager::Request(DetailedPromise* aPromise,
   Request(aPromise, aKeySystem, options, RequestType::Initial);
 }
 
+static bool
+ShouldTrialCreateGMP(const nsAString& aKeySystem)
+{
+  // Trial create where the CDM has a decoder;
+  // * ClearKey and Primetime on Windows Vista and later.
+  // * Primetime on MacOSX Lion and later.
+  return
+#ifdef XP_WIN
+    IsVistaOrLater();
+#elif defined(XP_MACOSX)
+    aKeySystem.EqualsLiteral("com.adobe.primetime") &&
+    nsCocoaFeatures::OnLionOrLater();
+#else
+    false;
+#endif
+}
+
 void
 MediaKeySystemAccessManager::Request(DetailedPromise* aPromise,
                                      const nsAString& aKeySystem,
@@ -161,16 +181,13 @@ MediaKeySystemAccessManager::Request(DetailedPromise* aPromise,
   if (aOptions.IsEmpty() ||
       MediaKeySystemAccess::IsSupported(keySystem, aOptions)) {
     nsRefPtr<MediaKeySystemAccess> access(new MediaKeySystemAccess(mWindow, keySystem));
-#ifdef XP_WIN
-    if (IsVistaOrLater()) {
-      // On Windows, ensure we have tried creating a GMPVideoDecoder for this
+   if (ShouldTrialCreateGMP(keySystem)) {
+      // Ensure we have tried creating a GMPVideoDecoder for this
       // keySystem, and that we can use it to decode. This ensures that we only
-      // report that we support this keySystem when the CDM us usable (i.e.
-      // all system libraries required are installed).
+      // report that we support this keySystem when the CDM us usable.
       mTrialCreator->MaybeAwaitTrialCreate(keySystem, access, aPromise, mWindow);
       return;
     }
-#endif
     aPromise->MaybeResolve(access);
     return;
   }

dom/media/eme/MediaKeySystemAccessManager.h

@@ -6,9 +6,7 @@
 #define mozilla_dom_MediaKeySystemAccessManager_h
 
 #include "mozilla/dom/MediaKeySystemAccess.h"
-#ifdef XP_WIN
 #include "mozilla/dom/GMPVideoDecoderTrialCreator.h"
-#endif
 #include "nsIObserver.h"
 #include "nsCycleCollectionParticipant.h"
 #include "nsISupportsImpl.h"
@@ -79,9 +77,7 @@ private:
   nsCOMPtr<nsPIDOMWindow> mWindow;
   bool mAddedObservers;
 
-#ifdef XP_WIN
   nsRefPtr<GMPVideoDecoderTrialCreator> mTrialCreator;
-#endif
 };
 
 } // namespace dom

dom/media/eme/moz.build

@@ -5,6 +5,7 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 EXPORTS.mozilla.dom += [
+    'GMPVideoDecoderTrialCreator.h',
     'MediaEncryptedEvent.h',
     'MediaKeyError.h',
     'MediaKeyMessageEvent.h',
@@ -29,6 +30,7 @@ UNIFIED_SOURCES += [
     'CDMProxy.cpp',
     'DetailedPromise.cpp',
     'EMEUtils.cpp',
+    'GMPVideoDecoderTrialCreator.cpp',
     'MediaEncryptedEvent.cpp',
     'MediaKeyError.cpp',
     'MediaKeyMessageEvent.cpp',
@@ -39,12 +41,4 @@ UNIFIED_SOURCES += [
     'MediaKeySystemAccessManager.cpp',
 ]
 
-if CONFIG['OS_ARCH'] == 'WINNT':
-    UNIFIED_SOURCES += [
-        'GMPVideoDecoderTrialCreator.cpp',
-    ]
-    EXPORTS.mozilla.dom += [
-        'GMPVideoDecoderTrialCreator.h',
-    ]
-
 FINAL_LIBRARY = 'xul'