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91 lines
3.3 KiB
91 lines
3.3 KiB
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*
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*/
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#include "helpers.h"
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#include <string>
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#include "rtc_base/checks.h"
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#include "rtc_base/logging.h"
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// Copies characters from a CFStringRef into a std::string.
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std::string CFStringToString(const CFStringRef cf_string) {
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RTC_DCHECK(cf_string);
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std::string std_string;
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// Get the size needed for UTF8 plus terminating character.
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size_t buffer_size =
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CFStringGetMaximumSizeForEncoding(CFStringGetLength(cf_string),
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kCFStringEncodingUTF8) +
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1;
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std::unique_ptr<char[]> buffer(new char[buffer_size]);
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if (CFStringGetCString(cf_string, buffer.get(), buffer_size,
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kCFStringEncodingUTF8)) {
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// Copy over the characters.
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std_string.assign(buffer.get());
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}
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return std_string;
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}
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// Convenience function for setting a VT property.
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void SetVTSessionProperty(VTSessionRef session,
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CFStringRef key,
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int32_t value) {
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CFNumberRef cfNum =
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CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &value);
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OSStatus status = VTSessionSetProperty(session, key, cfNum);
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CFRelease(cfNum);
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if (status != noErr) {
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std::string key_string = CFStringToString(key);
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RTC_LOG(LS_ERROR) << "VTSessionSetProperty failed to set: " << key_string
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<< " to " << value << ": " << status;
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}
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}
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// Convenience function for setting a VT property.
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void SetVTSessionProperty(VTSessionRef session,
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CFStringRef key,
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uint32_t value) {
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int64_t value_64 = value;
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CFNumberRef cfNum =
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CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt64Type, &value_64);
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OSStatus status = VTSessionSetProperty(session, key, cfNum);
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CFRelease(cfNum);
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if (status != noErr) {
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std::string key_string = CFStringToString(key);
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RTC_LOG(LS_ERROR) << "VTSessionSetProperty failed to set: " << key_string
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<< " to " << value << ": " << status;
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}
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}
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// Convenience function for setting a VT property.
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void SetVTSessionProperty(VTSessionRef session, CFStringRef key, bool value) {
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CFBooleanRef cf_bool = (value) ? kCFBooleanTrue : kCFBooleanFalse;
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OSStatus status = VTSessionSetProperty(session, key, cf_bool);
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if (status != noErr) {
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std::string key_string = CFStringToString(key);
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RTC_LOG(LS_ERROR) << "VTSessionSetProperty failed to set: " << key_string
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<< " to " << value << ": " << status;
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}
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}
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// Convenience function for setting a VT property.
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void SetVTSessionProperty(VTSessionRef session,
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CFStringRef key,
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CFStringRef value) {
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OSStatus status = VTSessionSetProperty(session, key, value);
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if (status != noErr) {
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std::string key_string = CFStringToString(key);
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std::string val_string = CFStringToString(value);
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RTC_LOG(LS_ERROR) << "VTSessionSetProperty failed to set: " << key_string
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<< " to " << val_string << ": " << status;
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}
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}
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