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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.
*
*/
#include "helpers.h"
#include <string>
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"
// Copies characters from a CFStringRef into a std::string.
std::string CFStringToString(const CFStringRef cf_string) {
RTC_DCHECK(cf_string);
std::string std_string;
// Get the size needed for UTF8 plus terminating character.
size_t buffer_size =
CFStringGetMaximumSizeForEncoding(CFStringGetLength(cf_string),
kCFStringEncodingUTF8) +
1;
std::unique_ptr<char[]> buffer(new char[buffer_size]);
if (CFStringGetCString(cf_string, buffer.get(), buffer_size,
kCFStringEncodingUTF8)) {
// Copy over the characters.
std_string.assign(buffer.get());
}
return std_string;
}
// Convenience function for setting a VT property.
void SetVTSessionProperty(VTSessionRef session,
CFStringRef key,
int32_t value) {
CFNumberRef cfNum =
CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &value);
OSStatus status = VTSessionSetProperty(session, key, cfNum);
CFRelease(cfNum);
if (status != noErr) {
std::string key_string = CFStringToString(key);
RTC_LOG(LS_ERROR) << "VTSessionSetProperty failed to set: " << key_string
<< " to " << value << ": " << status;
}
}
// Convenience function for setting a VT property.
void SetVTSessionProperty(VTSessionRef session,
CFStringRef key,
uint32_t value) {
int64_t value_64 = value;
CFNumberRef cfNum =
CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt64Type, &value_64);
OSStatus status = VTSessionSetProperty(session, key, cfNum);
CFRelease(cfNum);
if (status != noErr) {
std::string key_string = CFStringToString(key);
RTC_LOG(LS_ERROR) << "VTSessionSetProperty failed to set: " << key_string
<< " to " << value << ": " << status;
}
}
// Convenience function for setting a VT property.
void SetVTSessionProperty(VTSessionRef session, CFStringRef key, bool value) {
CFBooleanRef cf_bool = (value) ? kCFBooleanTrue : kCFBooleanFalse;
OSStatus status = VTSessionSetProperty(session, key, cf_bool);
if (status != noErr) {
std::string key_string = CFStringToString(key);
RTC_LOG(LS_ERROR) << "VTSessionSetProperty failed to set: " << key_string
<< " to " << value << ": " << status;
}
}
// Convenience function for setting a VT property.
void SetVTSessionProperty(VTSessionRef session,
CFStringRef key,
CFStringRef value) {
OSStatus status = VTSessionSetProperty(session, key, value);
if (status != noErr) {
std::string key_string = CFStringToString(key);
std::string val_string = CFStringToString(value);
RTC_LOG(LS_ERROR) << "VTSessionSetProperty failed to set: " << key_string
<< " to " << val_string << ": " << status;
}
}
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