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Support signed 8bit pcm in cubeb input. Address review

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This commit is contained in:
James Rowe 2019-03-17 22:52:03 -06:00
parent f5b86cff52
commit 9739e2b6fd
4 changed files with 25 additions and 19 deletions
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30
src/audio_core/cubeb_input.cpp
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@ -49,16 +49,12 @@ void CubebInput::StartSampling(const Frontend::Mic::Parameters& params) {
LOG_ERROR(Audio, LOG_ERROR(Audio,
"Application requested unsupported unsigned pcm format. Falling back to signed"); "Application requested unsupported unsigned pcm format. Falling back to signed");
} }
if (params.sample_size != 16) {
LOG_ERROR(Audio, impl->sample_size_in_bytes = params.sample_size / 8;
"Application requested unsupported 8 bit pcm format. Falling back to 16 bits");
}
parameters = params; parameters = params;
is_sampling = true; is_sampling = true;
impl->sample_size_in_bytes = 2;
cubeb_devid input_device = nullptr; cubeb_devid input_device = nullptr;
cubeb_stream_params input_params; cubeb_stream_params input_params;
input_params.channels = 1; input_params.channels = 1;
@ -76,12 +72,14 @@ void CubebInput::StartSampling(const Frontend::Mic::Parameters& params) {
nullptr, nullptr, latency_frames, Impl::DataCallback, Impl::StateCallback, nullptr, nullptr, latency_frames, Impl::DataCallback, Impl::StateCallback,
impl.get()) != CUBEB_OK) { impl.get()) != CUBEB_OK) {
LOG_CRITICAL(Audio, "Error creating cubeb input stream"); LOG_CRITICAL(Audio, "Error creating cubeb input stream");
is_sampling = false;
return;
} }
cubeb_stream_start(impl->stream); if (cubeb_stream_start(impl->stream) != CUBEB_OK) {
int ret = cubeb_stream_set_volume(impl->stream, 1.0); LOG_CRITICAL(Audio, "Error starting cubeb input stream");
if (ret == CUBEB_ERROR_NOT_SUPPORTED) { is_sampling = false;
LOG_WARNING(Audio, "Unabled to set volume for cubeb input"); return;
} }
} }
@ -113,8 +111,18 @@ long CubebInput::Impl::DataCallback(cubeb_stream* stream, void* user_data, const
return 0; return 0;
} }
std::vector<u8> samples{};
samples.reserve(num_frames * impl->sample_size_in_bytes);
if (impl->sample_size_in_bytes == 1) {
// If the sample format is 8bit, then resample back to 8bit before passing back to core
const s16* data = reinterpret_cast<const s16*>(input_buffer);
std::transform(data, data + num_frames, std::back_inserter(samples),
[](s16 sample) { return static_cast<u8>(static_cast<u16>(sample) >> 8); });
} else {
// Otherwise copy all of the samples to the buffer (which will be treated as s16 by core)
const u8* data = reinterpret_cast<const u8*>(input_buffer); const u8* data = reinterpret_cast<const u8*>(input_buffer);
std::vector<u8> samples{data, data + num_frames * impl->sample_size_in_bytes}; samples.insert(samples.begin(), data, data + num_frames * impl->sample_size_in_bytes);
}
impl->sample_queue->Push(samples); impl->sample_queue->Push(samples);
// returning less than num_frames here signals cubeb to stop sampling // returning less than num_frames here signals cubeb to stop sampling

1
src/core/frontend/mic.cpp
View File

@ -4,7 +4,6 @@
#include <array> #include <array>
#include "core/frontend/mic.h" #include "core/frontend/mic.h"
#include "core/hle/service/mic_u.h"
namespace Frontend::Mic { namespace Frontend::Mic {

10
src/core/hle/service/mic_u.cpp
View File

@ -121,7 +121,7 @@ struct MIC_U::Impl {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS); rb.Push(RESULT_SUCCESS);
LOG_TRACE(Service_MIC, "MapSharedMem called, size=0x{:X}", size); LOG_TRACE(Service_MIC, "called, size=0x{:X}", size);
} }
void UnmapSharedMem(Kernel::HLERequestContext& ctx) { void UnmapSharedMem(Kernel::HLERequestContext& ctx) {
@ -129,7 +129,7 @@ struct MIC_U::Impl {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
shared_memory = nullptr; shared_memory = nullptr;
rb.Push(RESULT_SUCCESS); rb.Push(RESULT_SUCCESS);
LOG_TRACE(Service_MIC, "UnmapSharedMem called"); LOG_TRACE(Service_MIC, "called");
} }
void UpdateSharedMemBuffer(u64 userdata, s64 cycles_late) { void UpdateSharedMemBuffer(u64 userdata, s64 cycles_late) {
@ -237,7 +237,7 @@ struct MIC_U::Impl {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS); rb.Push(RESULT_SUCCESS);
LOG_TRACE(Service_MIC, "SetGain gain={}", gain); LOG_TRACE(Service_MIC, "gain={}", gain);
} }
void GetGain(Kernel::HLERequestContext& ctx) { void GetGain(Kernel::HLERequestContext& ctx) {
@ -247,7 +247,7 @@ struct MIC_U::Impl {
rb.Push(RESULT_SUCCESS); rb.Push(RESULT_SUCCESS);
u8 gain = mic->GetGain(); u8 gain = mic->GetGain();
rb.Push<u8>(gain); rb.Push<u8>(gain);
LOG_TRACE(Service_MIC, "GetGain gain={}", gain); LOG_TRACE(Service_MIC, "gain={}", gain);
} }
void SetPower(Kernel::HLERequestContext& ctx) { void SetPower(Kernel::HLERequestContext& ctx) {
@ -257,7 +257,7 @@ struct MIC_U::Impl {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS); rb.Push(RESULT_SUCCESS);
LOG_TRACE(Service_MIC, "SetPower mic_power={}", power); LOG_TRACE(Service_MIC, "mic_power={}", power);
} }
void GetPower(Kernel::HLERequestContext& ctx) { void GetPower(Kernel::HLERequestContext& ctx) {

1
src/core/settings.cpp
View File

@ -5,7 +5,6 @@
#include <utility> #include <utility>
#include "audio_core/dsp_interface.h" #include "audio_core/dsp_interface.h"
#include "core/core.h" #include "core/core.h"
#include "core/frontend/emu_window.h"
#include "core/gdbstub/gdbstub.h" #include "core/gdbstub/gdbstub.h"
#include "core/hle/service/hid/hid.h" #include "core/hle/service/hid/hid.h"
#include "core/hle/service/ir/ir_rst.h" #include "core/hle/service/ir/ir_rst.h"