Title: [154693] trunk/Source/WebCore
Revision
154693
Author
[email protected]
Date
2013-08-27 08:55:21 -0700 (Tue, 27 Aug 2013)

Log Message

[Windows] some track language tags are not recognized
https://bugs.webkit.org/show_bug.cgi?id=120335

Reviewed by Eric Carlson.

* platform/graphics/avfoundation/cf/MediaPlayerPrivateAVFoundationCF.cpp: Revise implementation
to match logic in platform/graphics/avfoundation/objc/MediaPlayerPrivateAVFoundationObjc.mm

Modified Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (154692 => 154693)


--- trunk/Source/WebCore/ChangeLog	2013-08-27 15:50:29 UTC (rev 154692)
+++ trunk/Source/WebCore/ChangeLog	2013-08-27 15:55:21 UTC (rev 154693)
@@ -1,3 +1,13 @@
+2013-08-26  Brent Fulgham  <[email protected]>
+
+        [Windows] some track language tags are not recognized
+        https://bugs.webkit.org/show_bug.cgi?id=120335
+
+        Reviewed by Eric Carlson.
+
+        * platform/graphics/avfoundation/cf/MediaPlayerPrivateAVFoundationCF.cpp: Revise implementation
+        to match logic in platform/graphics/avfoundation/objc/MediaPlayerPrivateAVFoundationObjc.mm
+
 2013-08-27  Andreas Kling  <[email protected]>
 
         Clumsily fix Gtk+ build. Not my proudest moment.

Modified: trunk/Source/WebCore/platform/graphics/avfoundation/cf/MediaPlayerPrivateAVFoundationCF.cpp (154692 => 154693)


--- trunk/Source/WebCore/platform/graphics/avfoundation/cf/MediaPlayerPrivateAVFoundationCF.cpp	2013-08-27 15:50:29 UTC (rev 154692)
+++ trunk/Source/WebCore/platform/graphics/avfoundation/cf/MediaPlayerPrivateAVFoundationCF.cpp	2013-08-27 15:55:21 UTC (rev 154693)
@@ -849,6 +849,8 @@
     if (!avAsset(m_avfWrapper))
         return;
 
+    setDelayCharacteristicsChangedNotification(true);
+
     bool haveCCTrack = false;
     bool hasCaptions = false;
 
@@ -922,8 +924,10 @@
 
     sizeChanged();
 
-    if (!primaryAudioTrackLanguage.isNull() && primaryAudioTrackLanguage != languageOfPrimaryAudioTrack())
+    if (primaryAudioTrackLanguage != languageOfPrimaryAudioTrack())
         player()->characteristicChanged();
+
+    setDelayCharacteristicsChangedNotification(false);
 }
 
 void MediaPlayerPrivateAVFoundationCF::sizeChanged()
@@ -1105,6 +1109,12 @@
     AVCFAssetTrackRef track = (AVCFAssetTrackRef)CFArrayGetValueAtIndex(tracks.get(), 0);
     RetainPtr<CFStringRef> language = adoptCF(AVCFAssetTrackCopyExtendedLanguageTag(track));
 
+    // If the language code is stored as a QuickTime 5-bit packed code there aren't enough bits for a full
+    // RFC 4646 language tag so extendedLanguageTag returns null. In this case languageCode will return the
+    // ISO 639-2/T language code so check it.
+    if (!language)
+        language = adoptCF(AVCFAssetTrackCopyLanguageCode(track));
+
     // Some legacy tracks have "und" as a language, treat that the same as no language at all.
     if (language && CFStringCompare(language.get(), CFSTR("und"), kCFCompareCaseInsensitive) != kCFCompareEqualTo) {
         m_languageOfPrimaryAudioTrack = language.get();
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