mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-07-23 06:09:50 -06:00
Reformat all the things. Have fun with merge conflicts.
This commit is contained in:
@ -6,230 +6,229 @@
|
||||
|
||||
#include "AudioCommon/AlsaSoundStream.h"
|
||||
#include "Common/CommonTypes.h"
|
||||
#include "Common/Thread.h"
|
||||
#include "Common/Logging/Log.h"
|
||||
#include "Common/Thread.h"
|
||||
|
||||
AlsaSound::AlsaSound()
|
||||
: m_thread_status(ALSAThreadStatus::STOPPED)
|
||||
, handle(nullptr)
|
||||
, frames_to_deliver(FRAME_COUNT_MIN)
|
||||
: m_thread_status(ALSAThreadStatus::STOPPED), handle(nullptr),
|
||||
frames_to_deliver(FRAME_COUNT_MIN)
|
||||
{
|
||||
}
|
||||
|
||||
bool AlsaSound::Start()
|
||||
{
|
||||
m_thread_status.store(ALSAThreadStatus::RUNNING);
|
||||
if (!AlsaInit())
|
||||
{
|
||||
m_thread_status.store(ALSAThreadStatus::STOPPED);
|
||||
return false;
|
||||
}
|
||||
m_thread_status.store(ALSAThreadStatus::RUNNING);
|
||||
if (!AlsaInit())
|
||||
{
|
||||
m_thread_status.store(ALSAThreadStatus::STOPPED);
|
||||
return false;
|
||||
}
|
||||
|
||||
thread = std::thread(&AlsaSound::SoundLoop, this);
|
||||
return true;
|
||||
thread = std::thread(&AlsaSound::SoundLoop, this);
|
||||
return true;
|
||||
}
|
||||
|
||||
void AlsaSound::Stop()
|
||||
{
|
||||
m_thread_status.store(ALSAThreadStatus::STOPPING);
|
||||
m_thread_status.store(ALSAThreadStatus::STOPPING);
|
||||
|
||||
//Give the opportunity to the audio thread
|
||||
//to realize we are stopping the emulation
|
||||
cv.notify_one();
|
||||
thread.join();
|
||||
// Give the opportunity to the audio thread
|
||||
// to realize we are stopping the emulation
|
||||
cv.notify_one();
|
||||
thread.join();
|
||||
}
|
||||
|
||||
void AlsaSound::Update()
|
||||
{
|
||||
// don't need to do anything here.
|
||||
// don't need to do anything here.
|
||||
}
|
||||
|
||||
// Called on audio thread.
|
||||
void AlsaSound::SoundLoop()
|
||||
{
|
||||
Common::SetCurrentThreadName("Audio thread - alsa");
|
||||
while (m_thread_status.load() != ALSAThreadStatus::STOPPING)
|
||||
{
|
||||
while (m_thread_status.load() == ALSAThreadStatus::RUNNING)
|
||||
{
|
||||
m_mixer->Mix(mix_buffer, frames_to_deliver);
|
||||
int rc = snd_pcm_writei(handle, mix_buffer, frames_to_deliver);
|
||||
if (rc == -EPIPE)
|
||||
{
|
||||
// Underrun
|
||||
snd_pcm_prepare(handle);
|
||||
}
|
||||
else if (rc < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "writei fail: %s", snd_strerror(rc));
|
||||
}
|
||||
}
|
||||
if (m_thread_status.load() == ALSAThreadStatus::PAUSED)
|
||||
{
|
||||
snd_pcm_drop(handle); // Stop sound output
|
||||
Common::SetCurrentThreadName("Audio thread - alsa");
|
||||
while (m_thread_status.load() != ALSAThreadStatus::STOPPING)
|
||||
{
|
||||
while (m_thread_status.load() == ALSAThreadStatus::RUNNING)
|
||||
{
|
||||
m_mixer->Mix(mix_buffer, frames_to_deliver);
|
||||
int rc = snd_pcm_writei(handle, mix_buffer, frames_to_deliver);
|
||||
if (rc == -EPIPE)
|
||||
{
|
||||
// Underrun
|
||||
snd_pcm_prepare(handle);
|
||||
}
|
||||
else if (rc < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "writei fail: %s", snd_strerror(rc));
|
||||
}
|
||||
}
|
||||
if (m_thread_status.load() == ALSAThreadStatus::PAUSED)
|
||||
{
|
||||
snd_pcm_drop(handle); // Stop sound output
|
||||
|
||||
// Block until thread status changes.
|
||||
std::unique_lock<std::mutex> lock(cv_m);
|
||||
cv.wait(lock, [this]{ return m_thread_status.load() != ALSAThreadStatus::PAUSED; });
|
||||
// Block until thread status changes.
|
||||
std::unique_lock<std::mutex> lock(cv_m);
|
||||
cv.wait(lock, [this] { return m_thread_status.load() != ALSAThreadStatus::PAUSED; });
|
||||
|
||||
snd_pcm_prepare(handle); // resume sound output
|
||||
}
|
||||
}
|
||||
AlsaShutdown();
|
||||
m_thread_status.store(ALSAThreadStatus::STOPPED);
|
||||
snd_pcm_prepare(handle); // resume sound output
|
||||
}
|
||||
}
|
||||
AlsaShutdown();
|
||||
m_thread_status.store(ALSAThreadStatus::STOPPED);
|
||||
}
|
||||
|
||||
|
||||
void AlsaSound::Clear(bool muted)
|
||||
{
|
||||
m_muted = muted;
|
||||
m_thread_status.store(muted ? ALSAThreadStatus::PAUSED : ALSAThreadStatus::RUNNING);
|
||||
cv.notify_one(); // Notify thread that status has changed
|
||||
m_muted = muted;
|
||||
m_thread_status.store(muted ? ALSAThreadStatus::PAUSED : ALSAThreadStatus::RUNNING);
|
||||
cv.notify_one(); // Notify thread that status has changed
|
||||
}
|
||||
|
||||
bool AlsaSound::AlsaInit()
|
||||
{
|
||||
unsigned int sample_rate = m_mixer->GetSampleRate();
|
||||
int err;
|
||||
int dir;
|
||||
snd_pcm_sw_params_t *swparams;
|
||||
snd_pcm_hw_params_t *hwparams;
|
||||
snd_pcm_uframes_t buffer_size,buffer_size_max;
|
||||
unsigned int periods;
|
||||
unsigned int sample_rate = m_mixer->GetSampleRate();
|
||||
int err;
|
||||
int dir;
|
||||
snd_pcm_sw_params_t* swparams;
|
||||
snd_pcm_hw_params_t* hwparams;
|
||||
snd_pcm_uframes_t buffer_size, buffer_size_max;
|
||||
unsigned int periods;
|
||||
|
||||
err = snd_pcm_open(&handle, "default", SND_PCM_STREAM_PLAYBACK, 0);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Audio open error: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
err = snd_pcm_open(&handle, "default", SND_PCM_STREAM_PLAYBACK, 0);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Audio open error: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
|
||||
snd_pcm_hw_params_alloca(&hwparams);
|
||||
snd_pcm_hw_params_alloca(&hwparams);
|
||||
|
||||
err = snd_pcm_hw_params_any(handle, hwparams);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Broken configuration for this PCM: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
err = snd_pcm_hw_params_any(handle, hwparams);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Broken configuration for this PCM: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
|
||||
err = snd_pcm_hw_params_set_access(handle, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Access type not available: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
err = snd_pcm_hw_params_set_access(handle, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Access type not available: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
|
||||
err = snd_pcm_hw_params_set_format(handle, hwparams, SND_PCM_FORMAT_S16_LE);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Sample format not available: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
err = snd_pcm_hw_params_set_format(handle, hwparams, SND_PCM_FORMAT_S16_LE);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Sample format not available: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
|
||||
dir = 0;
|
||||
err = snd_pcm_hw_params_set_rate_near(handle, hwparams, &sample_rate, &dir);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Rate not available: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
dir = 0;
|
||||
err = snd_pcm_hw_params_set_rate_near(handle, hwparams, &sample_rate, &dir);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Rate not available: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
|
||||
err = snd_pcm_hw_params_set_channels(handle, hwparams, CHANNEL_COUNT);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Channels count not available: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
err = snd_pcm_hw_params_set_channels(handle, hwparams, CHANNEL_COUNT);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Channels count not available: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
|
||||
periods = BUFFER_SIZE_MAX / FRAME_COUNT_MIN;
|
||||
err = snd_pcm_hw_params_set_periods_max(handle, hwparams, &periods, &dir);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Cannot set maximum periods per buffer: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
periods = BUFFER_SIZE_MAX / FRAME_COUNT_MIN;
|
||||
err = snd_pcm_hw_params_set_periods_max(handle, hwparams, &periods, &dir);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Cannot set maximum periods per buffer: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
|
||||
buffer_size_max = BUFFER_SIZE_MAX;
|
||||
err = snd_pcm_hw_params_set_buffer_size_max(handle, hwparams, &buffer_size_max);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Cannot set maximum buffer size: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
buffer_size_max = BUFFER_SIZE_MAX;
|
||||
err = snd_pcm_hw_params_set_buffer_size_max(handle, hwparams, &buffer_size_max);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Cannot set maximum buffer size: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
|
||||
err = snd_pcm_hw_params(handle, hwparams);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Unable to install hw params: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
err = snd_pcm_hw_params(handle, hwparams);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Unable to install hw params: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
|
||||
err = snd_pcm_hw_params_get_buffer_size(hwparams, &buffer_size);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Cannot get buffer size: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
err = snd_pcm_hw_params_get_buffer_size(hwparams, &buffer_size);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Cannot get buffer size: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
|
||||
err = snd_pcm_hw_params_get_periods_max(hwparams, &periods, &dir);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Cannot get periods: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
err = snd_pcm_hw_params_get_periods_max(hwparams, &periods, &dir);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Cannot get periods: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
|
||||
//periods is the number of fragments alsa can wait for during one
|
||||
//buffer_size
|
||||
frames_to_deliver = buffer_size / periods;
|
||||
//limit the minimum size. pulseaudio advertises a minimum of 32 samples.
|
||||
if (frames_to_deliver < FRAME_COUNT_MIN)
|
||||
frames_to_deliver = FRAME_COUNT_MIN;
|
||||
//it is probably a bad idea to try to send more than one buffer of data
|
||||
if ((unsigned int)frames_to_deliver > buffer_size)
|
||||
frames_to_deliver = buffer_size;
|
||||
NOTICE_LOG(AUDIO, "ALSA gave us a %ld sample \"hardware\" buffer with %d periods. Will send %d samples per fragments.\n", buffer_size, periods, frames_to_deliver);
|
||||
// periods is the number of fragments alsa can wait for during one
|
||||
// buffer_size
|
||||
frames_to_deliver = buffer_size / periods;
|
||||
// limit the minimum size. pulseaudio advertises a minimum of 32 samples.
|
||||
if (frames_to_deliver < FRAME_COUNT_MIN)
|
||||
frames_to_deliver = FRAME_COUNT_MIN;
|
||||
// it is probably a bad idea to try to send more than one buffer of data
|
||||
if ((unsigned int)frames_to_deliver > buffer_size)
|
||||
frames_to_deliver = buffer_size;
|
||||
NOTICE_LOG(AUDIO, "ALSA gave us a %ld sample \"hardware\" buffer with %d periods. Will send %d "
|
||||
"samples per fragments.\n",
|
||||
buffer_size, periods, frames_to_deliver);
|
||||
|
||||
snd_pcm_sw_params_alloca(&swparams);
|
||||
snd_pcm_sw_params_alloca(&swparams);
|
||||
|
||||
err = snd_pcm_sw_params_current(handle, swparams);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "cannot init sw params: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
err = snd_pcm_sw_params_current(handle, swparams);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "cannot init sw params: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
|
||||
err = snd_pcm_sw_params_set_start_threshold(handle, swparams, 0U);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "cannot set start thresh: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
err = snd_pcm_sw_params_set_start_threshold(handle, swparams, 0U);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "cannot set start thresh: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
|
||||
err = snd_pcm_sw_params(handle, swparams);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "cannot set sw params: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
err = snd_pcm_sw_params(handle, swparams);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "cannot set sw params: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
|
||||
err = snd_pcm_prepare(handle);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Unable to prepare: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
NOTICE_LOG(AUDIO, "ALSA successfully initialized.\n");
|
||||
return true;
|
||||
err = snd_pcm_prepare(handle);
|
||||
if (err < 0)
|
||||
{
|
||||
ERROR_LOG(AUDIO, "Unable to prepare: %s\n", snd_strerror(err));
|
||||
return false;
|
||||
}
|
||||
NOTICE_LOG(AUDIO, "ALSA successfully initialized.\n");
|
||||
return true;
|
||||
}
|
||||
|
||||
void AlsaSound::AlsaShutdown()
|
||||
{
|
||||
if (handle != nullptr)
|
||||
{
|
||||
snd_pcm_drop(handle);
|
||||
snd_pcm_close(handle);
|
||||
handle = nullptr;
|
||||
}
|
||||
if (handle != nullptr)
|
||||
{
|
||||
snd_pcm_drop(handle);
|
||||
snd_pcm_close(handle);
|
||||
handle = nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
|
Reference in New Issue
Block a user