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-rw-r--r--src/core/hle/service/audio/audout_u.cpp195
-rw-r--r--src/core/hle/service/audio/audout_u.h12
2 files changed, 114 insertions, 93 deletions
diff --git a/src/core/hle/service/audio/audout_u.cpp b/src/core/hle/service/audio/audout_u.cpp
index 1dcd84d98..a15d53ff8 100644
--- a/src/core/hle/service/audio/audout_u.cpp
+++ b/src/core/hle/service/audio/audout_u.cpp
@@ -5,8 +5,7 @@
#include <array>
#include <vector>
#include "common/logging/log.h"
-#include "core/core_timing.h"
-#include "core/core_timing_util.h"
+#include "core/core.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/hle_ipc.h"
@@ -14,17 +13,22 @@
namespace Service::Audio {
-/// Switch sample rate frequency
-constexpr u32 sample_rate{48000};
-/// TODO(st4rk): dynamic number of channels, as I think Switch has support
-/// to more audio channels (probably when Docked I guess)
-constexpr u32 audio_channels{2};
-/// TODO(st4rk): find a proper value for the audio_ticks
-constexpr u64 audio_ticks{static_cast<u64>(CoreTiming::BASE_CLOCK_RATE / 500)};
+namespace ErrCodes {
+enum {
+ ErrorUnknown = 2,
+ BufferCountExceeded = 8,
+};
+}
+
+constexpr std::array<char, 10> DefaultDevice{{"DeviceOut"}};
+constexpr int DefaultSampleRate{48000};
class IAudioOut final : public ServiceFramework<IAudioOut> {
public:
- IAudioOut() : ServiceFramework("IAudioOut"), audio_out_state(AudioState::Stopped) {
+ IAudioOut(AudoutParams audio_params)
+ : ServiceFramework("IAudioOut"), audio_params(audio_params),
+ audio_core(Core::System::GetInstance().AudioCore()) {
+
static const FunctionInfo functions[] = {
{0, &IAudioOut::GetAudioOutState, "GetAudioOutState"},
{1, &IAudioOut::StartAudioOut, "StartAudioOut"},
@@ -32,66 +36,65 @@ public:
{3, &IAudioOut::AppendAudioOutBufferImpl, "AppendAudioOutBuffer"},
{4, &IAudioOut::RegisterBufferEvent, "RegisterBufferEvent"},
{5, &IAudioOut::GetReleasedAudioOutBufferImpl, "GetReleasedAudioOutBuffer"},
- {6, nullptr, "ContainsAudioOutBuffer"},
+ {6, &IAudioOut::ContainsAudioOutBuffer, "ContainsAudioOutBuffer"},
{7, &IAudioOut::AppendAudioOutBufferImpl, "AppendAudioOutBufferAuto"},
{8, &IAudioOut::GetReleasedAudioOutBufferImpl, "GetReleasedAudioOutBufferAuto"},
- {9, nullptr, "GetAudioOutBufferCount"},
+ {9, &IAudioOut::GetAudioOutBufferCount, "GetAudioOutBufferCount"},
{10, nullptr, "GetAudioOutPlayedSampleCount"},
{11, nullptr, "FlushAudioOutBuffers"},
};
RegisterHandlers(functions);
// This is the event handle used to check if the audio buffer was released
- buffer_event =
- Kernel::Event::Create(Kernel::ResetType::OneShot, "IAudioOutBufferReleasedEvent");
-
- // Register event callback to update the Audio Buffer
- audio_event = CoreTiming::RegisterEvent(
- "IAudioOut::UpdateAudioBuffersCallback", [this](u64 userdata, int cycles_late) {
- UpdateAudioBuffersCallback();
- CoreTiming::ScheduleEvent(audio_ticks - cycles_late, audio_event);
- });
-
- // Start the audio event
- CoreTiming::ScheduleEvent(audio_ticks, audio_event);
- }
+ buffer_event = Kernel::Event::Create(Kernel::ResetType::Sticky, "IAudioOutBufferReleased");
- ~IAudioOut() {
- CoreTiming::UnscheduleEvent(audio_event, 0);
+ stream = audio_core.OpenStream(audio_params.sample_rate, audio_params.channel_count,
+ [=]() { buffer_event->Signal(); });
}
private:
+ struct AudioBuffer {
+ u64_le next;
+ u64_le buffer;
+ u64_le buffer_capacity;
+ u64_le buffer_size;
+ u64_le offset;
+ };
+ static_assert(sizeof(AudioBuffer) == 0x28, "AudioBuffer is an invalid size");
+
void GetAudioOutState(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(RESULT_SUCCESS);
- rb.Push(static_cast<u32>(audio_out_state));
+ rb.Push(static_cast<u32>(stream->IsPlaying() ? AudioState::Started : AudioState::Stopped));
}
void StartAudioOut(Kernel::HLERequestContext& ctx) {
- LOG_WARNING(Service_Audio, "(STUBBED) called");
+ LOG_DEBUG(Service_Audio, "called");
+
+ if (stream->IsPlaying()) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(ResultCode(ErrorModule::Audio, ErrCodes::ErrorUnknown));
+ return;
+ }
- // Start audio
- audio_out_state = AudioState::Started;
+ audio_core.StartStream(stream);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void StopAudioOut(Kernel::HLERequestContext& ctx) {
- LOG_WARNING(Service_Audio, "(STUBBED) called");
-
- // Stop audio
- audio_out_state = AudioState::Stopped;
+ LOG_DEBUG(Service_Audio, "called");
- queue_keys.clear();
+ audio_core.StopStream(stream);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void RegisterBufferEvent(Kernel::HLERequestContext& ctx) {
- LOG_WARNING(Service_Audio, "(STUBBED) called");
+ LOG_DEBUG(Service_Audio, "called");
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(RESULT_SUCCESS);
@@ -99,101 +102,107 @@ private:
}
void AppendAudioOutBufferImpl(Kernel::HLERequestContext& ctx) {
- LOG_WARNING(Service_Audio, "(STUBBED) called");
+ LOG_DEBUG(Service_Audio, "(STUBBED) called {}", ctx.Description());
IPC::RequestParser rp{ctx};
- const u64 key{rp.Pop<u64>()};
- queue_keys.insert(queue_keys.begin(), key);
+ const auto& input_buffer{ctx.ReadBuffer()};
+ ASSERT_MSG(input_buffer.size() == sizeof(AudioBuffer),
+ "AudioBuffer input is an invalid size!");
+ AudioBuffer audio_buffer{};
+ std::memcpy(&audio_buffer, input_buffer.data(), sizeof(AudioBuffer));
+ const u64 tag{rp.Pop<u64>()};
+
+ std::vector<u8> data(audio_buffer.buffer_size);
+ Memory::ReadBlock(audio_buffer.buffer, data.data(), data.size());
+
+ if (!audio_core.QueueBuffer(stream, tag, std::move(data))) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(ResultCode(ErrorModule::Audio, ErrCodes::BufferCountExceeded));
+ }
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void GetReleasedAudioOutBufferImpl(Kernel::HLERequestContext& ctx) {
- LOG_WARNING(Service_Audio, "(STUBBED) called");
-
- // 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()) {
- key = queue_keys.back();
- queue_keys.pop_back();
- }
+ LOG_DEBUG(Service_Audio, "called {}", ctx.Description());
+ IPC::RequestParser rp{ctx};
+ const u64 max_count{ctx.GetWriteBufferSize() / sizeof(u64)};
+ const auto released_buffers{audio_core.GetTagsAndReleaseBuffers(stream, max_count)};
- ctx.WriteBuffer(&key, sizeof(u64));
+ std::vector<u64> tags{released_buffers};
+ tags.resize(max_count);
+ ctx.WriteBuffer(tags);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(RESULT_SUCCESS);
- // TODO(st4rk): This might be the total of released buffers, needs to be verified on
- // hardware
- rb.Push<u32>(static_cast<u32>(queue_keys.size()));
+ rb.Push<u32>(static_cast<u32>(released_buffers.size()));
}
- void UpdateAudioBuffersCallback() {
- if (audio_out_state != AudioState::Started) {
- return;
- }
-
- if (queue_keys.empty()) {
- return;
- }
+ void ContainsAudioOutBuffer(Kernel::HLERequestContext& ctx) {
+ LOG_DEBUG(Service_Audio, "called");
+ IPC::RequestParser rp{ctx};
+ const u64 tag{rp.Pop<u64>()};
+ IPC::ResponseBuilder rb{ctx, 3};
+ rb.Push(RESULT_SUCCESS);
+ rb.Push(stream->ContainsBuffer(tag));
+ }
- buffer_event->Signal();
+ void GetAudioOutBufferCount(Kernel::HLERequestContext& ctx) {
+ LOG_DEBUG(Service_Audio, "called");
+ IPC::ResponseBuilder rb{ctx, 3};
+ rb.Push(RESULT_SUCCESS);
+ rb.Push(static_cast<u32>(stream->GetQueueSize()));
}
- enum class AudioState : u32 {
- Started,
- Stopped,
- };
+ AudioCore::AudioOut& audio_core;
+ AudioCore::StreamPtr stream;
- /// This is used to trigger the audio event callback that is going to read the samples from the
- /// audio_buffer list and enqueue the samples using the sink (audio_core).
- CoreTiming::EventType* audio_event;
+ AudoutParams audio_params{};
/// 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
- /// 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.
- std::vector<u64> queue_keys;
-
- AudioState audio_out_state;
};
void AudOutU::ListAudioOutsImpl(Kernel::HLERequestContext& ctx) {
- LOG_WARNING(Service_Audio, "(STUBBED) called");
+ LOG_DEBUG(Service_Audio, "called");
IPC::RequestParser rp{ctx};
- constexpr std::array<char, 15> audio_interface{{"AudioInterface"}};
- ctx.WriteBuffer(audio_interface);
+ ctx.WriteBuffer(DefaultDevice);
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).
- rb.Push<u32>(1);
+ rb.Push<u32>(1); // Amount of audio devices
}
void AudOutU::OpenAudioOutImpl(Kernel::HLERequestContext& ctx) {
- LOG_WARNING(Service_Audio, "(STUBBED) called");
+ LOG_DEBUG(Service_Audio, "called");
- if (!audio_out_interface) {
- audio_out_interface = std::make_shared<IAudioOut>();
+ ctx.WriteBuffer(DefaultDevice);
+ IPC::RequestParser rp{ctx};
+ auto params{rp.PopRaw<AudoutParams>()};
+ if (params.channel_count <= 2) {
+ // Mono does not exist for audout
+ params.channel_count = 2;
+ } else {
+ params.channel_count = 6;
}
+ if (!params.sample_rate) {
+ params.sample_rate = DefaultSampleRate;
+ }
+
+ // TODO(bunnei): Support more than one IAudioOut interface. When we add this, ListAudioOutsImpl
+ // will likely need to be updated as well.
+ ASSERT_MSG(!audio_out_interface, "Unimplemented");
+ audio_out_interface = std::make_shared<IAudioOut>(std::move(params));
IPC::ResponseBuilder rb{ctx, 6, 0, 1};
rb.Push(RESULT_SUCCESS);
- rb.Push<u32>(sample_rate);
- rb.Push<u32>(audio_channels);
+ rb.Push<u32>(DefaultSampleRate);
+ rb.Push<u32>(params.channel_count);
rb.Push<u32>(static_cast<u32>(PcmFormat::Int16));
- rb.Push<u32>(0); // This field is unknown
+ rb.Push<u32>(static_cast<u32>(AudioState::Stopped));
rb.PushIpcInterface<Audio::IAudioOut>(audio_out_interface);
}
diff --git a/src/core/hle/service/audio/audout_u.h b/src/core/hle/service/audio/audout_u.h
index 847d86aa6..bc43f1f44 100644
--- a/src/core/hle/service/audio/audout_u.h
+++ b/src/core/hle/service/audio/audout_u.h
@@ -12,6 +12,18 @@ class HLERequestContext;
namespace Service::Audio {
+struct AudoutParams {
+ s32_le sample_rate;
+ u16_le channel_count;
+ INSERT_PADDING_BYTES(2);
+};
+static_assert(sizeof(AudoutParams) == 0x8, "AudoutParams is an invalid size");
+
+enum class AudioState : u32 {
+ Started,
+ Stopped,
+};
+
class IAudioOut;
class AudOutU final : public ServiceFramework<AudOutU> {
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 04:00:57 +0000