// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <array>
#include <memory>
#include <string_view>
#include "audio_core/audio_renderer.h"
#include "common/alignment.h"
#include "common/bit_util.h"
#include "common/common_funcs.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/core.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_readable_event.h"
#include "core/hle/kernel/k_writable_event.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/service/audio/audren_u.h"
#include "core/hle/service/audio/errors.h"
namespace Service::Audio {
class IAudioRenderer final : public ServiceFramework<IAudioRenderer> {
public:
explicit IAudioRenderer(Core::System& system_,
const AudioCommon::AudioRendererParameter& audren_params,
const std::size_t instance_number)
: ServiceFramework{system_, "IAudioRenderer"}, system_event{system.Kernel()} {
// clang-format off
static const FunctionInfo functions[] = {
{0, &IAudioRenderer::GetSampleRate, "GetSampleRate"},
{1, &IAudioRenderer::GetSampleCount, "GetSampleCount"},
{2, &IAudioRenderer::GetMixBufferCount, "GetMixBufferCount"},
{3, &IAudioRenderer::GetState, "GetState"},
{4, &IAudioRenderer::RequestUpdateImpl, "RequestUpdate"},
{5, &IAudioRenderer::Start, "Start"},
{6, &IAudioRenderer::Stop, "Stop"},
{7, &IAudioRenderer::QuerySystemEvent, "QuerySystemEvent"},
{8, &IAudioRenderer::SetRenderingTimeLimit, "SetRenderingTimeLimit"},
{9, &IAudioRenderer::GetRenderingTimeLimit, "GetRenderingTimeLimit"},
{10, &IAudioRenderer::RequestUpdateImpl, "RequestUpdateAuto"},
{11, &IAudioRenderer::ExecuteAudioRendererRendering, "ExecuteAudioRendererRendering"},
};
// clang-format on
RegisterHandlers(functions);
Kernel::KAutoObject::Create(std::addressof(system_event));
system_event.Initialize("IAudioRenderer:SystemEvent");
renderer = std::make_unique<AudioCore::AudioRenderer>(
system.CoreTiming(), system.Memory(), audren_params,
[this]() {
const auto guard = LockService();
system_event.GetWritableEvent().Signal();
},
instance_number);
}
private:
void GetSampleRate(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push<u32>(renderer->GetSampleRate());
}
void GetSampleCount(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push<u32>(renderer->GetSampleCount());
}
void GetState(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push<u32>(static_cast<u32>(renderer->GetStreamState()));
}
void GetMixBufferCount(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push<u32>(renderer->GetMixBufferCount());
}
void RequestUpdateImpl(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "(STUBBED) called");
std::vector<u8> output_params(ctx.GetWriteBufferSize(), 0);
auto result = renderer->UpdateAudioRenderer(ctx.ReadBuffer(), output_params);
if (result.IsSuccess()) {
ctx.WriteBuffer(output_params);
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void Start(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_Audio, "(STUBBED) called");
const auto result = renderer->Start();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void Stop(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_Audio, "(STUBBED) called");
const auto result = renderer->Stop();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void QuerySystemEvent(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_Audio, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(system_event.GetReadableEvent());
}
void SetRenderingTimeLimit(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
rendering_time_limit_percent = rp.Pop<u32>();
LOG_DEBUG(Service_Audio, "called. rendering_time_limit_percent={}",
rendering_time_limit_percent);
ASSERT(rendering_time_limit_percent <= 100);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void GetRenderingTimeLimit(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(rendering_time_limit_percent);
}
void ExecuteAudioRendererRendering(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
// This service command currently only reports an unsupported operation
// error code, or aborts. Given that, we just always return an error
// code in this case.
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERR_NOT_SUPPORTED);
}
Kernel::KEvent system_event;
std::unique_ptr<AudioCore::AudioRenderer> renderer;
u32 rendering_time_limit_percent = 100;
};
class IAudioDevice final : public ServiceFramework<IAudioDevice> {
public:
explicit IAudioDevice(Core::System& system_, Kernel::KEvent& buffer_event_, u32_le revision_)
: ServiceFramework{system_, "IAudioDevice"}, buffer_event{buffer_event_}, revision{
revision_} {
static const FunctionInfo functions[] = {
{0, &IAudioDevice::ListAudioDeviceName, "ListAudioDeviceName"},
{1, &IAudioDevice::SetAudioDeviceOutputVolume, "SetAudioDeviceOutputVolume"},
{2, &IAudioDevice::GetAudioDeviceOutputVolume, "GetAudioDeviceOutputVolume"},
{3, &IAudioDevice::GetActiveAudioDeviceName, "GetActiveAudioDeviceName"},
{4, &IAudioDevice::QueryAudioDeviceSystemEvent, "QueryAudioDeviceSystemEvent"},
{5, &IAudioDevice::GetActiveChannelCount, "GetActiveChannelCount"},
{6, &IAudioDevice::ListAudioDeviceName, "ListAudioDeviceNameAuto"},
{7, &IAudioDevice::SetAudioDeviceOutputVolume, "SetAudioDeviceOutputVolumeAuto"},
{8, &IAudioDevice::GetAudioDeviceOutputVolume, "GetAudioDeviceOutputVolumeAuto"},
{10, &IAudioDevice::GetActiveAudioDeviceName, "GetActiveAudioDeviceNameAuto"},
{11, &IAudioDevice::QueryAudioDeviceInputEvent, "QueryAudioDeviceInputEvent"},
{12, &IAudioDevice::QueryAudioDeviceOutputEvent, "QueryAudioDeviceOutputEvent"},
{13, nullptr, "GetAudioSystemMasterVolumeSetting"},
};
RegisterHandlers(functions);
}
private:
using AudioDeviceName = std::array<char, 256>;
static constexpr std::array<std::string_view, 4> audio_device_names{{
"AudioStereoJackOutput",
"AudioBuiltInSpeakerOutput",
"AudioTvOutput",
"AudioUsbDeviceOutput",
}};
enum class DeviceType {
AHUBHeadphones,
AHUBSpeakers,
HDA,
USBOutput,
};
void ListAudioDeviceName(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
const bool usb_output_supported =
IsFeatureSupported(AudioFeatures::AudioUSBDeviceOutput, revision);
const std::size_t count = ctx.GetWriteBufferSize() / sizeof(AudioDeviceName);
std::vector<AudioDeviceName> name_buffer;
name_buffer.reserve(audio_device_names.size());
for (std::size_t i = 0; i < count && i < audio_device_names.size(); i++) {
const auto type = static_cast<DeviceType>(i);
if (!usb_output_supported && type == DeviceType::USBOutput) {
continue;
}
const auto& device_name = audio_device_names[i];
auto& entry = name_buffer.emplace_back();
device_name.copy(entry.data(), device_name.size());
}
ctx.WriteBuffer(name_buffer);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(static_cast<u32>(name_buffer.size()));
}
void SetAudioDeviceOutputVolume(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const f32 volume = rp.Pop<f32>();
const auto device_name_buffer = ctx.ReadBuffer();
const std::string name = Common::StringFromBuffer(device_name_buffer);
LOG_WARNING(Service_Audio, "(STUBBED) called. name={}, volume={}", name, volume);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void GetAudioDeviceOutputVolume(Kernel::HLERequestContext& ctx) {
const auto device_name_buffer = ctx.ReadBuffer();
const std::string name = Common::StringFromBuffer(device_name_buffer);
LOG_WARNING(Service_Audio, "(STUBBED) called. name={}", name);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(1.0f);
}
void GetActiveAudioDeviceName(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_Audio, "(STUBBED) called");
// Currently set to always be TV audio output.
const auto& device_name = audio_device_names[2];
AudioDeviceName out_device_name{};
device_name.copy(out_device_name.data(), device_name.size());
ctx.WriteBuffer(out_device_name);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void QueryAudioDeviceSystemEvent(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_Audio, "(STUBBED) called");
buffer_event.GetWritableEvent().Signal();
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(buffer_event.GetReadableEvent());
}
void GetActiveChannelCount(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_Audio, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push<u32>(1);
}
// Should be similar to QueryAudioDeviceOutputEvent
void QueryAudioDeviceInputEvent(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_Audio, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(buffer_event.GetReadableEvent());
}
void QueryAudioDeviceOutputEvent(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(buffer_event.GetReadableEvent());
}
Kernel::KEvent& buffer_event;
u32_le revision = 0;
};
AudRenU::AudRenU(Core::System& system_)
: ServiceFramework{system_, "audren:u"}, buffer_event{system.Kernel()} {
// clang-format off
static const FunctionInfo functions[] = {
{0, &AudRenU::OpenAudioRenderer, "OpenAudioRenderer"},
{1, &AudRenU::GetAudioRendererWorkBufferSize, "GetWorkBufferSize"},
{2, &AudRenU::GetAudioDeviceService, "GetAudioDeviceService"},
{3, &AudRenU::OpenAudioRendererForManualExecution, "OpenAudioRendererForManualExecution"},
{4, &AudRenU::GetAudioDeviceServiceWithRevisionInfo, "GetAudioDeviceServiceWithRevisionInfo"},
};
// clang-format on
RegisterHandlers(functions);
Kernel::KAutoObject::Create(std::addressof(buffer_event));
buffer_event.Initialize("IAudioOutBufferReleasedEvent");
}
AudRenU::~AudRenU() = default;
void AudRenU::OpenAudioRenderer(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
OpenAudioRendererImpl(ctx);
}
static u64 CalculateNumPerformanceEntries(const AudioCommon::AudioRendererParameter& params) {
// +1 represents the final mix.
return u64{params.effect_count} + params.submix_count + params.sink_count + params.voice_count +
1;
}
void AudRenU::GetAudioRendererWorkBufferSize(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
// Several calculations below align the sizes being calculated
// onto a 64 byte boundary.
static constexpr u64 buffer_alignment_size = 64;
// Some calculations that calculate portions of the buffer
// that will contain information, on the other hand, align
// the result of some of their calcularions on a 16 byte boundary.
static constexpr u64 info_field_alignment_size = 16;
// Maximum detail entries that may exist at one time for performance
// frame statistics.
static constexpr u64 max_perf_detail_entries = 100;
// Size of the data structure representing the bulk of the voice-related state.
static constexpr u64 voice_state_size_bytes = 0x100;
// Size of the upsampler manager data structure
constexpr u64 upsampler_manager_size = 0x48;
// Calculates the part of the size that relates to mix buffers.
const auto calculate_mix_buffer_sizes = [](const AudioCommon::AudioRendererParameter& params) {
// As of 8.0.0 this is the maximum on voice channels.
constexpr u64 max_voice_channels = 6;
// The service expects the sample_count member of the parameters to either be
// a value of 160 or 240, so the maximum sample count is assumed in order
// to adequately handle all values at runtime.
constexpr u64 default_max_sample_count = 240;
const u64 total_mix_buffers = params.mix_buffer_count + max_voice_channels;
u64 size = 0;
size += total_mix_buffers * (sizeof(s32) * params.sample_count);
size += total_mix_buffers * (sizeof(s32) * default_max_sample_count);
size += u64{params.submix_count} + params.sink_count;
size = Common::AlignUp(size, buffer_alignment_size);
size += Common::AlignUp(params.unknown_30, buffer_alignment_size);
size += Common::AlignUp(sizeof(s32) * params.mix_buffer_count, buffer_alignment_size);
return size;
};
// Calculates the portion of the size related to the mix data (and the sorting thereof).
const auto calculate_mix_info_size = [](const AudioCommon::AudioRendererParameter& params) {
// The size of the mixing info data structure.
constexpr u64 mix_info_size = 0x940;
// Consists of total submixes with the final mix included.
const u64 total_mix_count = u64{params.submix_count} + 1;
// The total number of effects that may be available to the audio renderer at any time.
constexpr u64 max_effects = 256;
// Calculates the part of the size related to the audio node state.
// This will only be used if the audio revision supports the splitter.
const auto calculate_node_state_size = [](std::size_t num_nodes) {
// Internally within a nodestate, it appears to use a data structure
// similar to a std::bitset<64> twice.
constexpr u64 bit_size = Common::BitSize<u64>();
constexpr u64 num_bitsets = 2;
// Node state instances have three states internally for performing
// depth-first searches of nodes. Initialized, Found, and Done Sorting.
constexpr u64 num_states = 3;
u64 size = 0;
size += (num_nodes * num_nodes) * sizeof(s32);
size += num_states * (num_nodes * sizeof(s32));
size += num_bitsets * (Common::AlignUp(num_nodes, bit_size) / Common::BitSize<u8>());
return size;
};
// Calculates the part of the size related to the adjacency (aka edge) matrix.
const auto calculate_edge_matrix_size = [](std::size_t num_nodes) {
return (num_nodes * num_nodes) * sizeof(s32);
};
u64 size = 0;
size += Common::AlignUp(sizeof(void*) * total_mix_count, info_field_alignment_size);
size += Common::AlignUp(mix_info_size * total_mix_count, info_field_alignment_size);
size += Common::AlignUp(sizeof(s32) * max_effects * params.submix_count,
info_field_alignment_size);
if (IsFeatureSupported(AudioFeatures::Splitter, params.revision)) {
size += Common::AlignUp(calculate_node_state_size(total_mix_count) +
calculate_edge_matrix_size(total_mix_count),
info_field_alignment_size);
}
return size;
};
// Calculates the part of the size related to voice channel info.
const auto calculate_voice_info_size = [](const AudioCommon::AudioRendererParameter& params) {
constexpr u64 voice_info_size = 0x220;
constexpr u64 voice_resource_size = 0xD0;
u64 size = 0;
size += Common::AlignUp(sizeof(void*) * params.voice_count, info_field_alignment_size);
size += Common::AlignUp(voice_info_size * params.voice_count, info_field_alignment_size);
size +=
Common::AlignUp(voice_resource_size * params.voice_count, info_field_alignment_size);
size +=
Common::AlignUp(voice_state_size_bytes * params.voice_count, info_field_alignment_size);
return size;
};
// Calculates the part of the size related to memory pools.
const auto calculate_memory_pools_size = [](const AudioCommon::AudioRendererParameter& params) {
const u64 num_memory_pools = sizeof(s32) * (u64{params.effect_count} + params.voice_count);
const u64 memory_pool_info_size = 0x20;
return Common::AlignUp(num_memory_pools * memory_pool_info_size, info_field_alignment_size);
};
// Calculates the part of the size related to the splitter context.
const auto calculate_splitter_context_size =
[](const AudioCommon::AudioRendererParameter& params) -> u64 {
if (!IsFeatureSupported(AudioFeatures::Splitter, params.revision)) {
return 0;
}
constexpr u64 splitter_info_size = 0x20;
constexpr u64 splitter_destination_data_size = 0xE0;
u64 size = 0;
size += params.num_splitter_send_channels;
size +=
Common::AlignUp(splitter_info_size * params.splitter_count, info_field_alignment_size);
size += Common::AlignUp(splitter_destination_data_size * params.num_splitter_send_channels,
info_field_alignment_size);
return size;
};
// Calculates the part of the size related to the upsampler info.
const auto calculate_upsampler_info_size =
[](const AudioCommon::AudioRendererParameter& params) {
constexpr u64 upsampler_info_size = 0x280;
// Yes, using the buffer size over info alignment size is intentional here.
return Common::AlignUp(upsampler_info_size *
(u64{params.submix_count} + params.sink_count),
buffer_alignment_size);
};
// Calculates the part of the size related to effect info.
const auto calculate_effect_info_size = [](const AudioCommon::AudioRendererParameter& params) {
constexpr u64 effect_info_size = 0x2B0;
return Common::AlignUp(effect_info_size * params.effect_count, info_field_alignment_size);
};
// Calculates the part of the size related to audio sink info.
const auto calculate_sink_info_size = [](const AudioCommon::AudioRendererParameter& params) {
const u64 sink_info_size = 0x170;
return Common::AlignUp(sink_info_size * params.sink_count, info_field_alignment_size);
};
// Calculates the part of the size related to voice state info.
const auto calculate_voice_state_size = [](const AudioCommon::AudioRendererParameter& params) {
const u64 voice_state_size = 0x100;
const u64 additional_size = buffer_alignment_size - 1;
return Common::AlignUp(voice_state_size * params.voice_count + additional_size,
info_field_alignment_size);
};
// Calculates the part of the size related to performance statistics.
const auto calculate_perf_size = [](const AudioCommon::AudioRendererParameter& params) {
// Extra size value appended to the end of the calculation.
constexpr u64 appended = 128;
// Whether or not we assume the newer version of performance metrics data structures.
const bool is_v2 =
IsFeatureSupported(AudioFeatures::PerformanceMetricsVersion2, params.revision);
// Data structure sizes
constexpr u64 perf_statistics_size = 0x0C;
const u64 header_size = is_v2 ? 0x30 : 0x18;
const u64 entry_size = is_v2 ? 0x18 : 0x10;
const u64 detail_size = is_v2 ? 0x18 : 0x10;
const u64 entry_count = CalculateNumPerformanceEntries(params);
const u64 size_per_frame =
header_size + (entry_size * entry_count) + (detail_size * max_perf_detail_entries);
u64 size = 0;
size += Common::AlignUp(size_per_frame * params.performance_frame_count + 1,
buffer_alignment_size);
size += Common::AlignUp(perf_statistics_size, buffer_alignment_size);
size += appended;
return size;
};
// Calculates the part of the size that relates to the audio command buffer.
const auto calculate_command_buffer_size =
[](const AudioCommon::AudioRendererParameter& params) {
constexpr u64 alignment = (buffer_alignment_size - 1) * 2;
if (!IsFeatureSupported(AudioFeatures::VariadicCommandBuffer, params.revision)) {
constexpr u64 command_buffer_size = 0x18000;
return command_buffer_size + alignment;
}
// When the variadic command buffer is supported, this means
// the command generator for the audio renderer can issue commands
// that are (as one would expect), variable in size. So what we need to do
// is determine the maximum possible size for a few command data structures
// then multiply them by the amount of present commands indicated by the given
// respective audio parameters.
constexpr u64 max_biquad_filters = 2;
constexpr u64 max_mix_buffers = 24;
constexpr u64 biquad_filter_command_size = 0x2C;
constexpr u64 depop_mix_command_size = 0x24;
constexpr u64 depop_setup_command_size = 0x50;
constexpr u64 effect_command_max_size = 0x540;
constexpr u64 mix_command_size = 0x1C;
constexpr u64 mix_ramp_command_size = 0x24;
constexpr u64 mix_ramp_grouped_command_size = 0x13C;
constexpr u64 perf_command_size = 0x28;
constexpr u64 sink_command_size = 0x130;
constexpr u64 submix_command_max_size =
depop_mix_command_size + (mix_command_size * max_mix_buffers) * max_mix_buffers;
constexpr u64 volume_command_size = 0x1C;
constexpr u64 volume_ramp_command_size = 0x20;
constexpr u64 voice_biquad_filter_command_size =
biquad_filter_command_size * max_biquad_filters;
constexpr u64 voice_data_command_size = 0x9C;
const u64 voice_command_max_size =
(params.splitter_count * depop_setup_command_size) +
(voice_data_command_size + voice_biquad_filter_command_size +
volume_ramp_command_size + mix_ramp_grouped_command_size);
// Now calculate the individual elements that comprise the size and add them together.
const u64 effect_commands_size = params.effect_count * effect_command_max_size;
const u64 final_mix_commands_size =
depop_mix_command_size + volume_command_size * max_mix_buffers;
const u64 perf_commands_size =
perf_command_size *
(CalculateNumPerformanceEntries(params) + max_perf_detail_entries);
const u64 sink_commands_size = params.sink_count * sink_command_size;
const u64 splitter_commands_size =
params.num_splitter_send_channels * max_mix_buffers * mix_ramp_command_size;
const u64 submix_commands_size = params.submix_count * submix_command_max_size;
const u64 voice_commands_size = params.voice_count * voice_command_max_size;
return effect_commands_size + final_mix_commands_size + perf_commands_size +
sink_commands_size + splitter_commands_size + submix_commands_size +
voice_commands_size + alignment;
};
IPC::RequestParser rp{ctx};
const auto params = rp.PopRaw<AudioCommon::AudioRendererParameter>();
u64 size = 0;
size += calculate_mix_buffer_sizes(params);
size += calculate_mix_info_size(params);
size += calculate_voice_info_size(params);
size += upsampler_manager_size;
size += calculate_memory_pools_size(params);
size += calculate_splitter_context_size(params);
size = Common::AlignUp(size, buffer_alignment_size);
size += calculate_upsampler_info_size(params);
size += calculate_effect_info_size(params);
size += calculate_sink_info_size(params);
size += calculate_voice_state_size(params);
size += calculate_perf_size(params);
size += calculate_command_buffer_size(params);
// finally, 4KB page align the size, and we're done.
size = Common::AlignUp(size, 4096);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<u64>(size);
LOG_DEBUG(Service_Audio, "buffer_size=0x{:X}", size);
}
void AudRenU::GetAudioDeviceService(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 aruid = rp.Pop<u64>();
LOG_DEBUG(Service_Audio, "called. aruid={:016X}", aruid);
// Revisionless variant of GetAudioDeviceServiceWithRevisionInfo that
// always assumes the initial release revision (REV1).
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(ResultSuccess);
rb.PushIpcInterface<IAudioDevice>(system, buffer_event, Common::MakeMagic('R', 'E', 'V', '1'));
}
void AudRenU::OpenAudioRendererForManualExecution(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Audio, "called");
OpenAudioRendererImpl(ctx);
}
void AudRenU::GetAudioDeviceServiceWithRevisionInfo(Kernel::HLERequestContext& ctx) {
struct Parameters {
u32 revision;
u64 aruid;
};
IPC::RequestParser rp{ctx};
const auto [revision, aruid] = rp.PopRaw<Parameters>();
LOG_DEBUG(Service_Audio, "called. revision={:08X}, aruid={:016X}", revision, aruid);
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(ResultSuccess);
rb.PushIpcInterface<IAudioDevice>(system, buffer_event, revision);
}
void AudRenU::OpenAudioRendererImpl(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto params = rp.PopRaw<AudioCommon::AudioRendererParameter>();
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(ResultSuccess);
rb.PushIpcInterface<IAudioRenderer>(system, params, audren_instance_count++);
}
bool IsFeatureSupported(AudioFeatures feature, u32_le revision) {
// Byte swap
const u32_be version_num = revision - Common::MakeMagic('R', 'E', 'V', '0');
switch (feature) {
case AudioFeatures::AudioUSBDeviceOutput:
return version_num >= 4U;
case AudioFeatures::Splitter:
return version_num >= 2U;
case AudioFeatures::PerformanceMetricsVersion2:
case AudioFeatures::VariadicCommandBuffer:
return version_num >= 5U;
default:
return false;
}
}
} // namespace Service::Audio