1 files changed, 46 insertions, 0 deletions
diff --git a/chromium/media/video/capture/mac/coremedia_glue.h b/chromium/media/video/capture/mac/coremedia_glue.h
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index 00000000000..a1f21eb1480
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+++ b/chromium/media/video/capture/mac/coremedia_glue.h
@@ -0,0 +1,46 @@
+// 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.
+
+#ifndef MEDIA_VIDEO_CAPTURE_MAC_COREMEDIA_GLUE_H_
+#define MEDIA_VIDEO_CAPTURE_MAC_COREMEDIA_GLUE_H_
+
+#import <CoreVideo/CoreVideo.h>
+#import <Foundation/Foundation.h>
+
+#include "base/basictypes.h"
+#include "media/base/media_export.h"
+
+// CoreMedia API is only introduced in Mac OS X > 10.6, the (potential) linking
+// with it has to happen in runtime. If it succeeds, subsequent clients can use
+// CoreMedia via the class declared in this file, where the original naming has
+// been kept as much as possible.
+class MEDIA_EXPORT CoreMediaGlue {
+ public:
+  // Originally from CMTime.h
+  typedef int64_t CMTimeValue;
+  typedef int32_t CMTimeScale;
+  typedef int64_t CMTimeEpoch;
+  typedef uint32_t CMTimeFlags;
+  typedef struct {
+    CMTimeValue value;
+    CMTimeScale timescale;
+    CMTimeFlags flags;
+    CMTimeEpoch epoch;
+  } CMTime;
+
+  // Originally from CMSampleBuffer.h.
+  typedef struct OpaqueCMSampleBuffer* CMSampleBufferRef;
+
+  // Originally from CMTime.h.
+  static CMTime CMTimeMake(int64_t value, int32_t timescale);
+
+  // Originally from CMSampleBuffer.h.
+  static CVImageBufferRef CMSampleBufferGetImageBuffer(
+      CMSampleBufferRef buffer);
+
+ private:
+  DISALLOW_IMPLICIT_CONSTRUCTORS(CoreMediaGlue);
+};
+
+#endif  // MEDIA_VIDEO_CAPTURE_MAC_COREMEDIA_GLUE_H_