33 lines
1.1 KiB
C++
33 lines
1.1 KiB
C++
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/*
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* Copyright (c) 2020 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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#include "modules/desktop_capture/win/desktop_capture_utils.h"
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#include "rtc_base/strings/string_builder.h"
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namespace webrtc {
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namespace desktop_capture {
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namespace utils {
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// Generates a human-readable string from a COM error.
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std::string ComErrorToString(const _com_error& error) {
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char buffer[1024];
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rtc::SimpleStringBuilder string_builder(buffer);
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// Use _bstr_t to simplify the wchar to char conversion for ErrorMessage().
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_bstr_t error_message(error.ErrorMessage());
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string_builder.AppendFormat("HRESULT: 0x%08X, Message: %s", error.Error(),
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static_cast<const char*>(error_message));
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return string_builder.str();
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}
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} // namespace utils
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} // namespace desktop_capture
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} // namespace webrtc
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