Bug 1062596 - Re-enable hardware acceleration in AppleVTDecoder. r=rillian

content/media/fmp4/apple/AppleVTDecoder.cpp

@@ -449,9 +449,6 @@ AppleVTDecoder::InitializeSession()
     CFDictionaryCreateMutable(NULL, 0,
                               &kCFTypeDictionaryKeyCallBacks,
                               &kCFTypeDictionaryValueCallBacks);
-// FIXME: Enabling hardware acceleration causes crashes in
-// VTDecompressionSessionCreate() with multiple videos. Bug 1055694
-#if 0
   // This key is supported (or ignored) but not declared prior to OSX 10.9.
   AutoCFRelease<CFStringRef>
         kVTVideoDecoderSpecification_EnableHardwareAcceleratedVideoDecoder =
@@ -461,7 +458,6 @@ AppleVTDecoder::InitializeSession()
   CFDictionarySetValue(spec,
       kVTVideoDecoderSpecification_EnableHardwareAcceleratedVideoDecoder,
       kCFBooleanTrue);
-#endif
 
   VTDecompressionOutputCallbackRecord cb = { PlatformCallback, this };
   rv = VTDecompressionSessionCreate(NULL, // Allocator.