dolphin/Source/Core/AudioCommon/CubebUtils.cpp

76 lines
1.9 KiB
C++

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