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HostInterface: Support switching audio backends

This commit is contained in:
Connor McLaughlin 2020-02-16 00:14:40 +09:00
parent 6a0c15b649
commit 37d765e8d7
2 changed files with 36 additions and 11 deletions
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44
src/core/host_interface.cpp
View File

@ -65,6 +65,19 @@ HostInterface::~HostInterface()
Assert(!m_system && !m_audio_stream && !m_display);
}
void HostInterface::CreateAudioStream()
{
m_audio_stream = CreateAudioStream(m_settings.audio_backend);
if (m_audio_stream && m_audio_stream->Reconfigure(AUDIO_SAMPLE_RATE, AUDIO_CHANNELS, AUDIO_BUFFER_SIZE, 4))
return;
ReportFormattedError("Failed to create or configure audio stream, falling back to null output.");
m_audio_stream.reset();
m_audio_stream = AudioStream::CreateNullAudioStream();
m_audio_stream->Reconfigure(AUDIO_SAMPLE_RATE, AUDIO_CHANNELS, AUDIO_BUFFER_SIZE, 4);
}
bool HostInterface::BootSystemFromFile(const char* filename)
{
if (!AcquireHostDisplay())
@ -77,14 +90,7 @@ bool HostInterface::BootSystemFromFile(const char* filename)
m_display->SetDisplayLinearFiltering(m_settings.display_linear_filtering);
// create the audio stream. this will never fail, since we'll just fall back to null
m_audio_stream = CreateAudioStream(m_settings.audio_backend);
if (!m_audio_stream || !m_audio_stream->Reconfigure(AUDIO_SAMPLE_RATE, AUDIO_CHANNELS, AUDIO_BUFFER_SIZE, 4))
{
ReportFormattedError("Failed to create or configure audio stream, falling back to null output.");
m_audio_stream.reset();
m_audio_stream = AudioStream::CreateNullAudioStream();
m_audio_stream->Reconfigure(AUDIO_SAMPLE_RATE, AUDIO_CHANNELS, AUDIO_BUFFER_SIZE, 4);
}
CreateAudioStream();
m_system = System::Create(this);
if (!m_system->Boot(filename))
@ -710,6 +716,7 @@ void HostInterface::UpdateSettings(const std::function<void()>& apply_callback)
{
const float old_emulation_speed = m_settings.emulation_speed;
const CPUExecutionMode old_cpu_execution_mode = m_settings.cpu_execution_mode;
const AudioBackend old_audio_backend = m_settings.audio_backend;
const GPURenderer old_gpu_renderer = m_settings.gpu_renderer;
const u32 old_gpu_resolution_scale = m_settings.gpu_resolution_scale;
const bool old_gpu_true_color = m_settings.gpu_true_color;
@ -722,11 +729,22 @@ void HostInterface::UpdateSettings(const std::function<void()>& apply_callback)
apply_callback();
if (m_settings.gpu_renderer != old_gpu_renderer)
RecreateSystem();
if (m_system)
{
if (m_settings.gpu_renderer != old_gpu_renderer)
{
ReportFormattedMessage("Switching to %s GPU renderer.", Settings::GetRendererName(m_settings.gpu_renderer));
RecreateSystem();
}
if (m_settings.audio_backend != old_audio_backend)
{
ReportFormattedMessage("Switching to %s audio backend.", Settings::GetAudioBackendName(m_settings.audio_backend));
DebugAssert(m_audio_stream);
m_audio_stream.reset();
CreateAudioStream();
}
if (m_settings.video_sync_enabled != old_vsync_enabled || m_settings.audio_sync_enabled != old_audio_sync_enabled ||
m_settings.speed_limiter_enabled != old_speed_limiter_enabled)
{
@ -740,7 +758,11 @@ void HostInterface::UpdateSettings(const std::function<void()>& apply_callback)
}
if (m_settings.cpu_execution_mode != old_cpu_execution_mode)
{
ReportFormattedMessage("Switching to %s CPU execution mode.",
Settings::GetCPUExecutionModeName(m_settings.cpu_execution_mode));
m_system->SetCPUExecutionMode(m_settings.cpu_execution_mode);
}
if (m_settings.gpu_resolution_scale != old_gpu_resolution_scale ||
m_settings.gpu_true_color != old_gpu_true_color ||

3
src/core/host_interface.h
View File

@ -176,4 +176,7 @@ protected:
std::deque<OSDMessage> m_osd_messages;
std::mutex m_osd_messages_lock;
private:
void CreateAudioStream();
};