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Address review comments

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This commit is contained in:
James Rowe 2019-03-06 11:16:43 -07:00
parent c669aa8d55
commit 5f532c2560
11 changed files with 119 additions and 135 deletions
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93
src/core/hle/service/mic_u.cpp
View file

@ -23,7 +23,8 @@ enum class Encoding : u8 {
PCM16Signed = 3, ///< Signed 16-bit PCM.
};
/// Microphone audio sampling rates.
/// Microphone audio sampling rates. The actual accurate sampling rate can be calculated using
/// (16756991 / 512) / (SampleRate + 1) where SampleRate is one of the above values.
enum class SampleRate : u8 {
Rate32730 = 0, ///< 32728.498 Hz
Rate16360 = 1, ///< 16364.479 Hz
@ -34,13 +35,13 @@ enum class SampleRate : u8 {
constexpr u32 GetSampleRateInHz(SampleRate sample_rate) {
switch (sample_rate) {
case SampleRate::Rate8180:
return 8180;
return 8182;
case SampleRate::Rate10910:
return 10910;
return 10909;
case SampleRate::Rate16360:
return 16360;
return 16364;
case SampleRate::Rate32730:
return 32730;
return 32728;
default:
UNREACHABLE();
}
@ -54,45 +55,28 @@ constexpr u64 BufferUpdateRate16360 = BASE_CLOCK_RATE_ARM11 / 1022;
constexpr u64 BufferUpdateRate32730 = BASE_CLOCK_RATE_ARM11 / 2045;
constexpr u64 GetBufferUpdateRate(SampleRate sample_rate) {
switch (sample_rate) {
case SampleRate::Rate8180:
return BufferUpdateRate8180;
case SampleRate::Rate10910:
return BufferUpdateRate10910;
case SampleRate::Rate16360:
return BufferUpdateRate16360;
case SampleRate::Rate32730:
return BufferUpdateRate32730;
default:
UNREACHABLE();
}
return GetSampleRateInHz(sample_rate) / 16;
}
// Variables holding the current mic buffer writing state
struct State {
u8* sharedmem_buffer = nullptr;
u32 sharedmem_size = 0;
size_t size = 0;
std::size_t size = 0;
u32 offset = 0;
u32 initial_offset = 0;
bool looped_buffer = false;
u8 sample_size = 0;
SampleRate sample_rate = SampleRate::Rate16360;
void UpdateOffset() {
// The last 4 bytes of the shared memory contains the latest offset
// so update that as well https://www.3dbrew.org/wiki/MIC_Shared_Memory
std::memcpy(sharedmem_buffer + (sharedmem_size - sizeof(u32)),
reinterpret_cast<u8*>(&offset), sizeof(u32));
}
void WriteSamples(const std::vector<u8>& samples) {
u32 bytes_total_written = 0;
const size_t remaining_space = size - offset;
size_t bytes_to_write = std::min(samples.size(), remaining_space);
const std::size_t remaining_space = size - offset;
std::size_t bytes_to_write = std::min(samples.size(), remaining_space);
// Write as many samples as we can to the buffer.
// TODO if the sample size is 16bit, this could theoretically cut a sample
// TODO if the sample size is 16bit, this could theoretically cut a sample in the case where
// the application configures an odd size
std::memcpy(sharedmem_buffer + offset, samples.data(), bytes_to_write);
offset += static_cast<u32>(bytes_to_write);
bytes_total_written += static_cast<u32>(bytes_to_write);
@ -105,6 +89,12 @@ struct State {
bytes_to_write);
offset += static_cast<u32>(bytes_to_write);
}
// The last 4 bytes of the shared memory contains the latest offset
// so update that as well https://www.3dbrew.org/wiki/MIC_Shared_Memory
u32_le off = offset;
std::memcpy(sharedmem_buffer + (sharedmem_size - sizeof(u32)), reinterpret_cast<u8*>(&off),
sizeof(u32));
}
};
@ -112,9 +102,10 @@ struct MIC_U::Impl {
explicit Impl(Core::System& system) : timing(system.CoreTiming()) {
buffer_full_event =
system.Kernel().CreateEvent(Kernel::ResetType::OneShot, "MIC_U::buffer_full_event");
buffer_write_event = timing.RegisterEvent(
"MIC_U::UpdateBuffer", std::bind(&Impl::UpdateSharedMemBuffer, this,
std::placeholders::_1, std::placeholders::_2));
buffer_write_event =
timing.RegisterEvent("MIC_U::UpdateBuffer", [this](u64 userdata, s64 cycles_late) {
UpdateSharedMemBuffer(userdata, cycles_late);
});
}
void MapSharedMem(Kernel::HLERequestContext& ctx) {
@ -131,7 +122,7 @@ struct MIC_U::Impl {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
LOG_TRACE(Service_MIC, "MIC:U MapSharedMem called, size=0x{:X}", size);
LOG_TRACE(Service_MIC, "MapSharedMem called, size=0x{:X}", size);
}
void UnmapSharedMem(Kernel::HLERequestContext& ctx) {
@ -139,7 +130,7 @@ struct MIC_U::Impl {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
shared_memory = nullptr;
rb.Push(RESULT_SUCCESS);
LOG_TRACE(Service_MIC, "MIC:U UnmapSharedMem called");
LOG_TRACE(Service_MIC, "UnmapSharedMem called");
}
void UpdateSharedMemBuffer(u64 userdata, s64 cycles_late) {
@ -152,8 +143,6 @@ struct MIC_U::Impl {
if (!samples.empty()) {
// write the samples to sharedmem page
state.WriteSamples(samples);
// write the new offset to the last 4 bytes of the buffer
state.UpdateOffset();
}
// schedule next run
@ -194,7 +183,7 @@ struct MIC_U::Impl {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
LOG_TRACE(Service_MIC,
"MIC:U StartSampling called, encoding={}, sample_rate={}, "
"StartSampling called, encoding={}, sample_rate={}, "
"audio_buffer_offset={}, audio_buffer_size={}, audio_buffer_loop={}",
static_cast<u32>(encoding), static_cast<u32>(sample_rate), audio_buffer_offset,
audio_buffer_size, audio_buffer_loop);
@ -207,8 +196,7 @@ struct MIC_U::Impl {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
LOG_TRACE(Service_MIC, "MIC:U AdjustSampling sample_rate={}",
static_cast<u32>(sample_rate));
LOG_TRACE(Service_MIC, "AdjustSampling sample_rate={}", static_cast<u32>(sample_rate));
}
void StopSampling(Kernel::HLERequestContext& ctx) {
@ -217,7 +205,8 @@ struct MIC_U::Impl {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
mic->StopSampling();
LOG_TRACE(Service_MIC, "MIC:U StopSampling called");
timing.RemoveEvent(buffer_write_event);
LOG_TRACE(Service_MIC, "StopSampling called");
}
void IsSampling(Kernel::HLERequestContext& ctx) {
@ -227,7 +216,7 @@ struct MIC_U::Impl {
rb.Push(RESULT_SUCCESS);
bool is_sampling = mic->IsSampling();
rb.Push<bool>(is_sampling);
LOG_TRACE(Service_MIC, "MIC:U IsSampling: {}", is_sampling);
LOG_TRACE(Service_MIC, "IsSampling: {}", is_sampling);
}
void GetBufferFullEvent(Kernel::HLERequestContext& ctx) {
@ -246,7 +235,7 @@ struct MIC_U::Impl {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
LOG_TRACE(Service_MIC, "MIC:U SetGain gain={}", gain);
LOG_TRACE(Service_MIC, "SetGain gain={}", gain);
}
void GetGain(Kernel::HLERequestContext& ctx) {
@ -256,7 +245,7 @@ struct MIC_U::Impl {
rb.Push(RESULT_SUCCESS);
u8 gain = mic->GetGain();
rb.Push<u8>(gain);
LOG_TRACE(Service_MIC, "MIC:U GetGain gain={}", gain);
LOG_TRACE(Service_MIC, "GetGain gain={}", gain);
}
void SetPower(Kernel::HLERequestContext& ctx) {
@ -266,7 +255,7 @@ struct MIC_U::Impl {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
LOG_TRACE(Service_MIC, "MIC:U SetPower mic_power={}", power);
LOG_TRACE(Service_MIC, "SetPower mic_power={}", power);
}
void GetPower(Kernel::HLERequestContext& ctx) {
@ -276,7 +265,7 @@ struct MIC_U::Impl {
rb.Push(RESULT_SUCCESS);
bool mic_power = mic->GetPower();
rb.Push<u8>(mic_power);
LOG_TRACE(Service_MIC, "MIC:U GetPower called");
LOG_TRACE(Service_MIC, "GetPower called");
}
void SetIirFilterMic(Kernel::HLERequestContext& ctx) {
@ -437,3 +426,19 @@ void InstallInterfaces(Core::System& system) {
}
} // namespace Service::MIC
namespace Frontend::Mic {
static std::shared_ptr<Mic::Interface> current_mic;
void RegisterMic(std::shared_ptr<Mic::Interface> mic) {
current_mic = mic;
}
std::shared_ptr<Mic::Interface> GetCurrentMic() {
if (!current_mic) {
current_mic = std::make_shared<Mic::NullMic>();
}
return current_mic;
}
} // namespace Frontend::Mic

2
src/core/hle/service/mic_u.h
View file

@ -192,6 +192,4 @@ private:
void InstallInterfaces(Core::System& system);
void ChangeMicImpl();
} // namespace Service::MIC