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// 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_
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