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/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*
*/
#ifndef SDK_OBJC_FRAMEWORK_CLASSES_VIDEOTOOLBOX_HELPERS_H_
#define SDK_OBJC_FRAMEWORK_CLASSES_VIDEOTOOLBOX_HELPERS_H_
#include <CoreFoundation/CoreFoundation.h>
#include <VideoToolbox/VideoToolbox.h>
#include <string>
// Convenience function for creating a dictionary.
inline CFDictionaryRef CreateCFTypeDictionary(CFTypeRef* keys,
CFTypeRef* values,
size_t size) {
return CFDictionaryCreate(kCFAllocatorDefault, keys, values, size,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
}
// Copies characters from a CFStringRef into a std::string.
std::string CFStringToString(CFStringRef cf_string);
// Convenience function for setting a VT property.
void SetVTSessionProperty(VTSessionRef session, CFStringRef key, int32_t value);
// Convenience function for setting a VT property.
void SetVTSessionProperty(VTSessionRef session,
CFStringRef key,
uint32_t value);
// Convenience function for setting a VT property.
void SetVTSessionProperty(VTSessionRef session, CFStringRef key, bool value);
// Convenience function for setting a VT property.
void SetVTSessionProperty(VTSessionRef session,
CFStringRef key,
CFStringRef value);
#endif // SDK_OBJC_FRAMEWORK_CLASSES_VIDEOTOOLBOX_HELPERS_H_
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