Remove more Vista checks in dom/media

6 files changed, 16 insertions, 66 deletions

diff --git a/dom/media/DecoderDoctorDiagnostics.cpp b/dom/media/DecoderDoctorDiagnostics.cpp
index 91c2d8dfb..778e8c4c5 100644
--- a/dom/media/DecoderDoctorDiagnostics.cpp
+++ b/dom/media/DecoderDoctorDiagnostics.cpp
@@ -576,16 +576,9 @@ DecoderDoctorDocumentWatcher::SynthesizeAnalysis()
       // going through expected decoders from most to least desirable.
 #if defined(XP_WIN)
       if (!formatsRequiringWMF.IsEmpty()) {
-        if (IsVistaOrLater()) {
-          DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - unplayable formats: %s -> Cannot play media because WMF was not found",
-                  this, mDocument, NS_ConvertUTF16toUTF8(formatsRequiringWMF).get());
-          ReportAnalysis(mDocument, sMediaWMFNeeded, false, formatsRequiringWMF);
-        } else {
-          DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - unplayable formats: %s -> Cannot play media before Windows Vista",
-                  this, mDocument, NS_ConvertUTF16toUTF8(formatsRequiringWMF).get());
-          ReportAnalysis(mDocument, sMediaUnsupportedBeforeWindowsVista,
-                         false, formatsRequiringWMF);
-        }
+        DD_INFO("DecoderDoctorDocumentWatcher[%p, doc=%p]::SynthesizeAnalysis() - unplayable formats: %s -> Cannot play media because WMF was not found",
+                this, mDocument, NS_ConvertUTF16toUTF8(formatsRequiringWMF).get());
+        ReportAnalysis(mDocument, sMediaWMFNeeded, false, formatsRequiringWMF);
         return;
       }
 #endif
diff --git a/dom/media/MediaManager.cpp b/dom/media/MediaManager.cpp
index 96e2c23e0..97a6855d9 100644
--- a/dom/media/MediaManager.cpp
+++ b/dom/media/MediaManager.cpp
@@ -1853,20 +1853,18 @@ MediaManager::GetNonE10sParent()
 MediaManager::StartupInit()
 {
 #ifdef WIN32
-  if (IsVistaOrLater() && !IsWin8OrLater()) {
-    // Bug 1107702 - Older Windows fail in GetAdaptersInfo (and others) if the
-    // first(?) call occurs after the process size is over 2GB (kb/2588507).
-    // Attempt to 'prime' the pump by making a call at startup.
-    unsigned long out_buf_len = sizeof(IP_ADAPTER_INFO);
-    PIP_ADAPTER_INFO pAdapterInfo = (IP_ADAPTER_INFO *) moz_xmalloc(out_buf_len);
-    if (GetAdaptersInfo(pAdapterInfo, &out_buf_len) == ERROR_BUFFER_OVERFLOW) {
-      free(pAdapterInfo);
-      pAdapterInfo = (IP_ADAPTER_INFO *) moz_xmalloc(out_buf_len);
-      GetAdaptersInfo(pAdapterInfo, &out_buf_len);
-    }
-    if (pAdapterInfo) {
-      free(pAdapterInfo);
-    }
+  // Bug 1107702 - Some Windows versions fail in GetAdaptersInfo (and others)
+  // if the first(?) call occurs after the process size is over 2GB (kb/2588507).
+  // Attempt to 'prime' the pump by making a call at startup.
+  unsigned long out_buf_len = sizeof(IP_ADAPTER_INFO);
+  PIP_ADAPTER_INFO pAdapterInfo = (IP_ADAPTER_INFO *) moz_xmalloc(out_buf_len);
+  if (GetAdaptersInfo(pAdapterInfo, &out_buf_len) == ERROR_BUFFER_OVERFLOW) {
+    free(pAdapterInfo);
+    pAdapterInfo = (IP_ADAPTER_INFO *) moz_xmalloc(out_buf_len);
+    GetAdaptersInfo(pAdapterInfo, &out_buf_len);
+  }
+  if (pAdapterInfo) {
+    free(pAdapterInfo);
   }
 #endif
 }
@@ -2130,19 +2128,11 @@ if (privileged) {
       case MediaSourceEnum::Application:
       case MediaSourceEnum::Window:
         // Deny screensharing request if support is disabled, or
-        // the requesting document is not from a host on the whitelist, or
-        // we're on WinXP until proved that it works
+        // the requesting document is not from a host on the whitelist
         if (!Preferences::GetBool(((videoType == MediaSourceEnum::Browser)?
                                    "media.getusermedia.browser.enabled" :
                                    "media.getusermedia.screensharing.enabled"),
                                   false) ||
-#if defined(XP_WIN)
-            (
-              // Allow tab sharing for all platforms including XP
-              (videoType != MediaSourceEnum::Browser) &&
-              !Preferences::GetBool("media.getusermedia.screensharing.allow_on_old_platforms",
-                                    false) && !IsVistaOrLater()) ||
-#endif
             (!privileged && !HostIsHttps(*docURI))) {
           RefPtr<MediaStreamError> error =
               new MediaStreamError(aWindow,
diff --git a/dom/media/eme/MediaKeySystemAccess.cpp b/dom/media/eme/MediaKeySystemAccess.cpp
index 7007d3a03..4cff464e7 100644
--- a/dom/media/eme/MediaKeySystemAccess.cpp
+++ b/dom/media/eme/MediaKeySystemAccess.cpp
@@ -140,26 +140,12 @@ MediaKeySystemAccess::GetKeySystemStatus(const nsAString& aKeySystem,
         aOutMessage = NS_LITERAL_CSTRING("Adobe EME disabled");
         return MediaKeySystemStatus::Cdm_disabled;
       }
-#ifdef XP_WIN
-      // Win Vista and later only.
-      if (!IsVistaOrLater()) {
-        aOutMessage = NS_LITERAL_CSTRING("Minimum Windows version (Vista) not met for Adobe EME");
-        return MediaKeySystemStatus::Cdm_not_supported;
-      }
-#endif
       return EnsureCDMInstalled(aKeySystem, aOutMessage);
     }
   }
 
   if (IsWidevineKeySystem(aKeySystem)) {
     if (Preferences::GetBool("media.gmp-widevinecdm.visible", false)) {
-#ifdef XP_WIN
-      // Win Vista and later only.
-      if (!IsVistaOrLater()) {
-        aOutMessage = NS_LITERAL_CSTRING("Minimum Windows version (Vista) not met for Widevine EME");
-        return MediaKeySystemStatus::Cdm_not_supported;
-      }
-#endif
       if (!Preferences::GetBool("media.gmp-widevinecdm.enabled", false)) {
         aOutMessage = NS_LITERAL_CSTRING("Widevine EME disabled");
         return MediaKeySystemStatus::Cdm_disabled;
diff --git a/dom/media/gtest/TestGMPCrossOrigin.cpp b/dom/media/gtest/TestGMPCrossOrigin.cpp
index 036282153..33ac98388 100644
--- a/dom/media/gtest/TestGMPCrossOrigin.cpp
+++ b/dom/media/gtest/TestGMPCrossOrigin.cpp
@@ -1521,11 +1521,6 @@ TEST(GeckoMediaPlugins, GMPPluginVoucher) {
 
 #if defined(XP_WIN)
 TEST(GeckoMediaPlugins, GMPOutputProtection) {
-  // Output Protection is not available pre-Vista.
-  if (!IsVistaOrLater()) {
-    return;
-  }
-
   RefPtr<GMPStorageTest> runner = new GMPStorageTest();
   runner->DoTest(&GMPStorageTest::TestOutputProtection);
 }
diff --git a/dom/media/platforms/wmf/WMFUtils.cpp b/dom/media/platforms/wmf/WMFUtils.cpp
index 8aec8a8af..208131fef 100644
--- a/dom/media/platforms/wmf/WMFUtils.cpp
+++ b/dom/media/platforms/wmf/WMFUtils.cpp
@@ -205,16 +205,6 @@ LoadDLLs()
 HRESULT
 MFStartup()
 {
-  if (!IsVistaOrLater() || IsWin7AndPre2000Compatible()) {
-    // *Only* use WMF on Vista and later, as if Firefox is run in Windows 95
-    // compatibility mode on Windows 7 (it does happen!) we may crash trying
-    // to startup WMF. So we need to detect the OS version here, as in
-    // compatibility mode IsVistaOrLater() and friends behave as if we're on
-    // the emulated version of Windows. See bug 1279171.
-    // Using GetVersionEx API which takes compatibility mode into account.
-    return E_FAIL;
-  }
-
   HRESULT hr = LoadDLLs();
   if (FAILED(hr)) {
     return hr;
diff --git a/dom/media/webrtc/MediaEngineWebRTC.cpp b/dom/media/webrtc/MediaEngineWebRTC.cpp
index 522f23f61..1a2dc9a04 100644
--- a/dom/media/webrtc/MediaEngineWebRTC.cpp
+++ b/dom/media/webrtc/MediaEngineWebRTC.cpp
@@ -268,11 +268,7 @@ MediaEngineWebRTC::EnumerateVideoDevices(dom::MediaSourceEnum aMediaSource,
 bool
 MediaEngineWebRTC::SupportsDuplex()
 {
-#ifndef XP_WIN
   return mFullDuplex;
-#else
-  return IsVistaOrLater() && mFullDuplex;
-#endif
 }
 
 void