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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/string_util.h"
#include "core/hle/service/audio/audio_out.h"
#include "core/hle/service/audio/audout_u.h"
#include "core/hle/service/ipc_helpers.h"
#include "core/memory.h"
namespace Service::Audio {
using namespace AudioCore::AudioOut;
AudOutU::AudOutU(Core::System& system_)
: ServiceFramework{system_, "audout:u"}, service_context{system_, "AudOutU"},
impl{std::make_unique<AudioCore::AudioOut::Manager>(system_)} {
// clang-format off
static const FunctionInfo functions[] = {
{0, &AudOutU::ListAudioOuts, "ListAudioOuts"},
{1, &AudOutU::OpenAudioOut, "OpenAudioOut"},
{2, &AudOutU::ListAudioOuts, "ListAudioOutsAuto"},
{3, &AudOutU::OpenAudioOut, "OpenAudioOutAuto"},
};
// clang-format on
RegisterHandlers(functions);
}
AudOutU::~AudOutU() = default;
void AudOutU::ListAudioOuts(HLERequestContext& ctx) {
using namespace AudioCore::Renderer;
std::scoped_lock l{impl->mutex};
const auto write_count =
static_cast<u32>(ctx.GetWriteBufferNumElements<AudioDevice::AudioDeviceName>());
std::vector<AudioDevice::AudioDeviceName> device_names{};
if (write_count > 0) {
device_names.emplace_back("DeviceOut");
LOG_DEBUG(Service_Audio, "called. \nName=DeviceOut");
} else {
LOG_DEBUG(Service_Audio, "called. Empty buffer passed in.");
}
ctx.WriteBuffer(device_names);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push<u32>(static_cast<u32>(device_names.size()));
}
void AudOutU::OpenAudioOut(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
auto in_params{rp.PopRaw<AudioOutParameter>()};
auto applet_resource_user_id{rp.PopRaw<u64>()};
const auto device_name_data{ctx.ReadBuffer()};
auto device_name = Common::StringFromBuffer(device_name_data);
auto handle{ctx.GetCopyHandle(0)};
auto process{ctx.GetObjectFromHandle<Kernel::KProcess>(handle)};
if (process.IsNull()) {
LOG_ERROR(Service_Audio, "Failed to get process handle");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultUnknown);
return;
}
auto link{impl->LinkToManager()};
if (link.IsError()) {
LOG_ERROR(Service_Audio, "Failed to link Audio Out to Audio Manager");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(link);
return;
}
size_t new_session_id{};
auto result{impl->AcquireSessionId(new_session_id)};
if (result.IsError()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
return;
}
LOG_DEBUG(Service_Audio, "Opening new AudioOut, sessionid={}, free sessions={}", new_session_id,
impl->num_free_sessions);
auto audio_out =
std::make_shared<IAudioOut>(system, *impl, new_session_id, device_name, in_params,
process.GetPointerUnsafe(), applet_resource_user_id);
result = audio_out->GetImpl()->GetSystem().Initialize(
device_name, in_params, process.GetPointerUnsafe(), applet_resource_user_id);
if (result.IsError()) {
LOG_ERROR(Service_Audio, "Failed to initialize the AudioOut System!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
return;
}
impl->sessions[new_session_id] = audio_out->GetImpl();
impl->applet_resource_user_ids[new_session_id] = applet_resource_user_id;
auto& out_system = impl->sessions[new_session_id]->GetSystem();
AudioOutParameterInternal out_params{.sample_rate = out_system.GetSampleRate(),
.channel_count = out_system.GetChannelCount(),
.sample_format =
static_cast<u32>(out_system.GetSampleFormat()),
.state = static_cast<u32>(out_system.GetState())};
IPC::ResponseBuilder rb{ctx, 6, 0, 1};
ctx.WriteBuffer(out_system.GetName());
rb.Push(ResultSuccess);
rb.PushRaw<AudioOutParameterInternal>(out_params);
rb.PushIpcInterface<IAudioOut>(audio_out);
}
} // namespace Service::Audio
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