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audout_u: Various cleanups.

This commit is contained in:
bunnei 2018-01-24 22:38:19 -05:00
parent 714a576113
commit de177f6692

View file

@ -23,7 +23,7 @@ constexpr u64 audio_ticks{static_cast<u64>(BASE_CLOCK_RATE / 500)};
class IAudioOut final : public ServiceFramework<IAudioOut> {
public:
IAudioOut() : ServiceFramework("IAudioOut"), audio_out_state(Stopped) {
IAudioOut() : ServiceFramework("IAudioOut"), audio_out_state(AudioState::Stopped) {
static const FunctionInfo functions[] = {
{0x0, nullptr, "GetAudioOutState"},
{0x1, &IAudioOut::StartAudioOut, "StartAudioOut"},
@ -58,8 +58,8 @@ private:
void StartAudioOut(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_Audio, "(STUBBED) called");
// start audio
audio_out_state = Started;
// Start audio
audio_out_state = AudioState::Started;
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
@ -68,8 +68,8 @@ private:
void StopAudioOut(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_Audio, "(STUBBED) called");
// stop audio
audio_out_state = Stopped;
// Stop audio
audio_out_state = AudioState::Stopped;
queue_keys.clear();
@ -89,8 +89,7 @@ private:
LOG_WARNING(Service_Audio, "(STUBBED) called");
IPC::RequestParser rp{ctx};
u64 key = rp.Pop<u64>();
const u64 key{rp.Pop<u64>()};
queue_keys.insert(queue_keys.begin(), key);
IPC::ResponseBuilder rb{ctx, 2};
@ -102,11 +101,10 @@ private:
const auto& buffer = ctx.BufferDescriptorB()[0];
// TODO(st4rk): this is how libtransistor currently implements the
// GetReleasedAudioOutBuffer, it should return the key (a VAddr) to the APP and this address
// TODO(st4rk): This is how libtransistor currently implements the
// GetReleasedAudioOutBuffer, it should return the key (a VAddr) to the app and this address
// is used to know which buffer should be filled with data and send again to the service
// through AppendAudioOutBuffer. Check if this is the proper way to do it.
u64 key{0};
if (queue_keys.size()) {
@ -124,8 +122,7 @@ private:
}
void UpdateAudioBuffersCallback() {
if (audio_out_state != Started) {
if (audio_out_state != AudioState::Started) {
return;
}
@ -136,7 +133,7 @@ private:
buffer_event->Signal();
}
enum AudioState : u32 {
enum class AudioState : u32 {
Started,
Stopped,
};
@ -148,10 +145,10 @@ private:
/// This is the evend handle used to check if the audio buffer was released
Kernel::SharedPtr<Kernel::Event> buffer_event;
/// (st4rk): this is just a temporary workaround for the future implementation. Libtransistor
/// (st4rk): This is just a temporary workaround for the future implementation. Libtransistor
/// uses the key as an address in the App, so we need to return when the
/// GetReleasedAudioOutBuffer_1 is called, otherwise we'll run in problems, because
/// libtransistor uses the key returned as an pointer;
/// libtransistor uses the key returned as an pointer.
std::vector<u64> queue_keys;
AudioState audio_out_state;
@ -169,11 +166,9 @@ void AudOutU::ListAudioOuts(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb = rp.MakeBuilder(3, 0, 0);
rb.Push(RESULT_SUCCESS);
// TODO(st4rk): we're currently returning only one audio interface
// (stringlist size)
// however, it's highly possible to have more than one interface (despite that
// libtransistor
// requires only one).
// TODO(st4rk): We're currently returning only one audio interface (stringlist size). However,
// it's highly possible to have more than one interface (despite that libtransistor requires
// only one).
rb.Push<u32>(1);
}
@ -184,20 +179,13 @@ void AudOutU::OpenAudioOut(Kernel::HLERequestContext& ctx) {
audio_out_interface = std::make_shared<IAudioOut>();
}
auto sessions = Kernel::ServerSession::CreateSessionPair(audio_out_interface->GetServiceName());
auto server = std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions);
auto client = std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions);
audio_out_interface->ClientConnected(server);
LOG_DEBUG(Service, "called, initialized IAudioOut -> session=%u", client->GetObjectId());
IPC::ResponseBuilder rb{ctx, 6, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(sample_rate);
rb.Push<u32>(audio_channels);
rb.Push<u32>(static_cast<u32>(PcmFormat::Int16));
// this field is unknown
rb.Push<u32>(0);
rb.PushMoveObjects(std::move(client));
rb.Push<u32>(0); // This field is unknown
rb.PushIpcInterface<Audio::IAudioOut>(audio_out_interface);
}
AudOutU::AudOutU() : ServiceFramework("audout:u") {