76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
// Copyright 2017 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <cstdarg>
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#include <cstddef>
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#include <cstring>
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#include "AudioCommon/CubebUtils.h"
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#include "Common/CommonPaths.h"
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#include "Common/Logging/Log.h"
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#include "Common/Logging/LogManager.h"
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#include "Common/StringUtil.h"
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#include <cubeb/cubeb.h>
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static ptrdiff_t s_path_cutoff_point = 0;
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static void LogCallback(const char* format, ...)
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{
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auto* instance = Common::Log::LogManager::GetInstance();
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if (instance == nullptr)
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return;
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va_list args;
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va_start(args, format);
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const char* filename = va_arg(args, const char*) + s_path_cutoff_point;
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const int lineno = va_arg(args, int);
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const std::string adapted_format(StripSpaces(format + strlen("%s:%d:")));
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const std::string message = StringFromFormatV(adapted_format.c_str(), args);
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va_end(args);
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instance->Log(Common::Log::LNOTICE, Common::Log::AUDIO, filename, lineno, message.c_str());
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}
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static void DestroyContext(cubeb* ctx)
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{
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cubeb_destroy(ctx);
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if (cubeb_set_log_callback(CUBEB_LOG_DISABLED, nullptr) != CUBEB_OK)
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{
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ERROR_LOG(AUDIO, "Error removing cubeb log callback");
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}
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}
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std::shared_ptr<cubeb> CubebUtils::GetContext()
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{
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static std::weak_ptr<cubeb> weak;
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std::shared_ptr<cubeb> shared = weak.lock();
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// Already initialized
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if (shared)
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return shared;
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const char* filename = __FILE__;
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const char* match_point = strstr(filename, DIR_SEP "Source" DIR_SEP "Core" DIR_SEP);
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if (match_point)
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{
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s_path_cutoff_point = match_point - filename + strlen(DIR_SEP "Externals" DIR_SEP);
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}
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if (cubeb_set_log_callback(CUBEB_LOG_NORMAL, LogCallback) != CUBEB_OK)
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{
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ERROR_LOG(AUDIO, "Error setting cubeb log callback");
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}
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cubeb* ctx;
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if (cubeb_init(&ctx, "Dolphin", nullptr) != CUBEB_OK)
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{
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ERROR_LOG(AUDIO, "Error initializing cubeb library");
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return nullptr;
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}
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INFO_LOG(AUDIO, "Cubeb initialized using %s backend", cubeb_get_backend_id(ctx));
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weak = shared = {ctx, DestroyContext};
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return shared;
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}
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