mirror of https://github.com/odrling/Aegisub
PulseAudio player seems to kinda work, it just doesn't report playback position yet
Originally committed to SVN as r1120.
This commit is contained in:
Niels Martin Hansen
parent
760cb49475
commit
15a5e39fff
|
|
@ -37,12 +37,12 @@
|
|||
///////////
|
||||
// Headers
|
||||
#include <wx/wxprec.h>
|
||||
#include <stdio.h>
|
||||
#include "audio_player.h"
|
||||
#include "audio_provider.h"
|
||||
#include "utils.h"
|
||||
#include "options.h"
|
||||
#include <pulse/pulseaudio.h>
|
||||
#include <pulse/simple.h>
|
||||
|
||||
|
||||
//////////////
|
||||
|
|
@ -50,54 +50,47 @@
|
|||
class PulseAudioPlayer;
|
||||
|
||||
|
||||
//////////
|
||||
// Thread
|
||||
class PulseAudioPlayerThread : public wxThread {
|
||||
private:
|
||||
wxMutex play_mutex; // held while playing
|
||||
wxSemaphore play_notify; // posted when a playback operation is set up
|
||||
wxSemaphore stop_notify; // when set, audio playback should stop asap
|
||||
wxSemaphore shutdown_notify; // when set, thread should shutdown asap
|
||||
wxMutex parameter_mutex;
|
||||
|
||||
AudioProvider *provider; // provides sample data!
|
||||
|
||||
pa_simple *s; // stream handle
|
||||
int paerror;
|
||||
|
||||
volatile double volume; // volume to get audio at
|
||||
volatile unsigned long start_frame; // first frame of playback
|
||||
volatile unsigned long cur_frame; // last written frame + 1
|
||||
volatile unsigned long end_frame; // last frame to play
|
||||
|
||||
void PlaybackLoop();
|
||||
|
||||
public:
|
||||
PulseAudioPlayerThread(AudioProvider *_provider);
|
||||
~PulseAudioPlayerThread();
|
||||
wxThread::ExitCode Entry();
|
||||
|
||||
// The following methods are all thread safe
|
||||
void Play(unsigned long _start_frame, unsigned long _num_frames); // Notify thread to stop any playback and instead play specified range
|
||||
void SetEndPosition(unsigned long _end_frame); // Notify thread to use new end position
|
||||
void Stop(); // Notify thread to stop audio playback
|
||||
void StopWait(); // Notify thread to stop, and wait for it to do it
|
||||
void Shutdown(); // Notify the thread to stop playback and die
|
||||
void SetVolume(double new_volume); // Set volume
|
||||
unsigned long GetStartPosition(); // Get first played back frame number
|
||||
unsigned long GetEndPosition(); // Get last frame number to be played back
|
||||
unsigned long GetCurrentPosition(); // Get currently played back frame number
|
||||
bool IsPlaying();
|
||||
};
|
||||
|
||||
|
||||
//////////////////////
|
||||
// Pulse Audio player
|
||||
class PulseAudioPlayer : public AudioPlayer {
|
||||
private:
|
||||
float volume;
|
||||
bool open;
|
||||
bool is_playing;
|
||||
|
||||
PulseAudioPlayerThread *thread;
|
||||
// Audio data info
|
||||
unsigned long start_frame;
|
||||
unsigned long cur_frame;
|
||||
unsigned long end_frame;
|
||||
unsigned long bpf; // bytes per frame
|
||||
|
||||
// Used for synchronising with async events
|
||||
wxSemaphore context_notify;
|
||||
wxSemaphore context_success;
|
||||
volatile int context_success_val;
|
||||
wxSemaphore stream_notify;
|
||||
wxSemaphore stream_success;
|
||||
volatile int stream_success_val;
|
||||
|
||||
// PulseAudio data
|
||||
pa_threaded_mainloop *mainloop; // pulseaudio mainloop handle
|
||||
pa_context *context; // connection context
|
||||
volatile pa_context_state_t cstate;
|
||||
pa_stream *stream;
|
||||
volatile pa_stream_state_t sstate;
|
||||
int paerror;
|
||||
|
||||
// Called by PA to notify about contetxt operation completion
|
||||
static void pa_context_success(pa_context *c, int success, PulseAudioPlayer *thread);
|
||||
// Called by PA to notify about other context-related stuff
|
||||
static void pa_context_notify(pa_context *c, PulseAudioPlayer *thread);
|
||||
// Called by PA when a stream operation completes
|
||||
static void pa_stream_success(pa_stream *p, int success, PulseAudioPlayer *thread);
|
||||
// Called by PA to request more data written to stream
|
||||
static void pa_stream_write(pa_stream *p, size_t length, PulseAudioPlayer *thread);
|
||||
// Called by PA to notify about other stream-related stuff
|
||||
static void pa_stream_notify(pa_stream *p, PulseAudioPlayer *thread);
|
||||
|
||||
public:
|
||||
PulseAudioPlayer();
|
||||
|
|
@ -134,295 +127,308 @@ public:
|
|||
|
||||
///////////////
|
||||
// Constructor
|
||||
PulseAudioPlayer::PulseAudioPlayer() {
|
||||
PulseAudioPlayer::PulseAudioPlayer()
|
||||
{
|
||||
volume = 1.0f;
|
||||
thread = NULL;
|
||||
paerror = 0;
|
||||
open = false;
|
||||
is_playing = false;
|
||||
}
|
||||
|
||||
|
||||
//////////////
|
||||
// Destructor
|
||||
PulseAudioPlayer::~PulseAudioPlayer() {
|
||||
CloseStream();
|
||||
PulseAudioPlayer::~PulseAudioPlayer()
|
||||
{
|
||||
if (open) CloseStream();
|
||||
}
|
||||
|
||||
|
||||
///////////////
|
||||
// Open stream
|
||||
void PulseAudioPlayer::OpenStream() {
|
||||
CloseStream();
|
||||
void PulseAudioPlayer::OpenStream()
|
||||
{
|
||||
printf("Opening PulseAudio stream\n");
|
||||
if (open) CloseStream();
|
||||
|
||||
// Get provider
|
||||
AudioProvider *provider = GetProvider();
|
||||
|
||||
try {
|
||||
thread = new PulseAudioPlayerThread(provider);
|
||||
thread->Create();
|
||||
thread->Run();
|
||||
// Initialise a mainloop
|
||||
printf("Initialising threaded main loop\n");
|
||||
mainloop = pa_threaded_mainloop_new();
|
||||
if (!mainloop) {
|
||||
throw _T("Failed to initialise PulseAudio threaded mainloop object");
|
||||
}
|
||||
catch (const char *e) {
|
||||
wxLogError(_T("Failed to initialise PulseAudio: %s"), wxString(e, wxConvLocal).c_str());
|
||||
printf("Starting main loop\n");
|
||||
pa_threaded_mainloop_start(mainloop);
|
||||
|
||||
// Create context
|
||||
printf("Creating context\n");
|
||||
context = pa_context_new(pa_threaded_mainloop_get_api(mainloop), "Aegisub");
|
||||
if (!context) {
|
||||
pa_threaded_mainloop_free(mainloop);
|
||||
throw _T("Failed to create PulseAudio context");
|
||||
}
|
||||
pa_context_set_state_callback(context, (pa_context_notify_cb_t)pa_context_notify, this);
|
||||
|
||||
// Connect the context
|
||||
printf("Connecting context\n");
|
||||
pa_context_connect(context, NULL, 0, NULL);
|
||||
// Wait for connection
|
||||
while (true) {
|
||||
context_notify.Wait();
|
||||
if (cstate == PA_CONTEXT_READY) {
|
||||
break;
|
||||
} else if (cstate == PA_CONTEXT_FAILED) {
|
||||
// eww
|
||||
paerror = pa_context_errno(context);
|
||||
pa_context_unref(context);
|
||||
pa_threaded_mainloop_stop(mainloop);
|
||||
pa_threaded_mainloop_free(mainloop);
|
||||
wxString s(pa_strerror(paerror), wxConvUTF8);
|
||||
throw s.c_str();
|
||||
}
|
||||
// otherwise loop once more
|
||||
}
|
||||
printf("Context connected\n");
|
||||
|
||||
// Set up stream
|
||||
bpf = provider->GetChannels() * provider->GetBytesPerSample();
|
||||
pa_sample_spec ss;
|
||||
ss.format = PA_SAMPLE_S16LE; // FIXME
|
||||
ss.rate = provider->GetSampleRate();
|
||||
ss.channels = provider->GetChannels();
|
||||
pa_channel_map map;
|
||||
pa_channel_map_init_auto(&map, ss.channels, PA_CHANNEL_MAP_DEFAULT);
|
||||
printf("Creating stream\n");
|
||||
stream = pa_stream_new(context, "Sound", &ss, &map);
|
||||
if (!stream) {
|
||||
// argh!
|
||||
pa_context_disconnect(context);
|
||||
pa_context_unref(context);
|
||||
pa_threaded_mainloop_stop(mainloop);
|
||||
pa_threaded_mainloop_free(mainloop);
|
||||
throw _T("PulseAudio could not create stream");
|
||||
}
|
||||
pa_stream_set_state_callback(stream, (pa_stream_notify_cb_t)pa_stream_notify, this);
|
||||
pa_stream_set_write_callback(stream, (pa_stream_request_cb_t)pa_stream_write, this);
|
||||
|
||||
// Connext stream
|
||||
printf("Connecting playback stream\n");
|
||||
paerror = pa_stream_connect_playback(stream, NULL, NULL, PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_NOT_MONOTONOUS|PA_STREAM_AUTO_TIMING_UPDATE, NULL, NULL);
|
||||
if (paerror) {
|
||||
printf("PulseAudio reported error: %s\n", pa_strerror(paerror));
|
||||
wxString s(pa_strerror(paerror), wxConvUTF8);
|
||||
throw s.c_str();
|
||||
}
|
||||
while (true) {
|
||||
stream_notify.Wait();
|
||||
if (sstate == PA_STREAM_READY) {
|
||||
break;
|
||||
} else if (sstate == PA_STREAM_FAILED) {
|
||||
printf("Stream connection failed for some reason\n");
|
||||
throw _T("Something went wrong connecting the stream");
|
||||
}
|
||||
}
|
||||
printf("Connected playback stream, now playing\n\n");
|
||||
|
||||
// Hopefully this marks success
|
||||
printf("Finished opening PulseAudio\n\n");
|
||||
open = true;
|
||||
}
|
||||
|
||||
|
||||
////////////////
|
||||
// Close stream
|
||||
void PulseAudioPlayer::CloseStream() {
|
||||
if (!thread) return;
|
||||
void PulseAudioPlayer::CloseStream()
|
||||
{
|
||||
if (!open) return;
|
||||
printf("Closing PuseAudio\n");
|
||||
|
||||
thread->Shutdown();
|
||||
thread->Wait();
|
||||
thread = 0;
|
||||
if (is_playing) Stop();
|
||||
|
||||
// Hope for the best and just do things as quickly as possible
|
||||
pa_stream_disconnect(stream);
|
||||
pa_stream_unref(stream);
|
||||
pa_context_disconnect(context);
|
||||
pa_context_unref(context);
|
||||
pa_threaded_mainloop_stop(mainloop);
|
||||
pa_threaded_mainloop_free(mainloop);
|
||||
|
||||
printf("Closed PulseAudio\n");
|
||||
open = false;
|
||||
}
|
||||
|
||||
|
||||
////////
|
||||
// Play
|
||||
void PulseAudioPlayer::Play(__int64 start,__int64 count) {
|
||||
// Make sure that it's stopped
|
||||
thread->Stop();
|
||||
void PulseAudioPlayer::Play(__int64 start,__int64 count)
|
||||
{
|
||||
printf("Starting PulseAudio playback\n");
|
||||
if (!open) OpenStream();
|
||||
if (is_playing) Stop();
|
||||
|
||||
thread->Play(start, count);
|
||||
start_frame = start;
|
||||
cur_frame = start;
|
||||
end_frame = start + count;
|
||||
printf("start=%lu end=%lu\n", start_frame, end_frame);
|
||||
|
||||
is_playing = true;
|
||||
|
||||
PulseAudioPlayer::pa_stream_write(stream, pa_stream_writable_size(stream), this);
|
||||
|
||||
pa_operation *op = pa_stream_trigger(stream, (pa_stream_success_cb_t)pa_stream_success, this);
|
||||
stream_success.Wait();
|
||||
pa_operation_unref(op);
|
||||
}
|
||||
|
||||
|
||||
////////
|
||||
// Stop
|
||||
void PulseAudioPlayer::Stop(bool timerToo) {
|
||||
if (thread) thread->Stop();
|
||||
void PulseAudioPlayer::Stop(bool timerToo)
|
||||
{
|
||||
if (!is_playing) return;
|
||||
printf("Stopping PulseAudio\n");
|
||||
|
||||
if (timerToo && displayTimer) {
|
||||
displayTimer->Stop();
|
||||
}
|
||||
is_playing = false;
|
||||
|
||||
pa_operation *op = pa_stream_cork(stream, 0, (pa_stream_success_cb_t)pa_stream_success, this);
|
||||
stream_success.Wait();
|
||||
pa_operation_unref(op);
|
||||
|
||||
start_frame = 0;
|
||||
cur_frame = 0;
|
||||
end_frame = 0;
|
||||
|
||||
// Flush the stream of data
|
||||
printf("Draining stream\n");
|
||||
op = pa_stream_flush(stream, (pa_stream_success_cb_t)pa_stream_success, this);
|
||||
stream_success.Wait();
|
||||
pa_operation_unref(op);
|
||||
|
||||
// Then disconnect it
|
||||
/*printf("Disconnecting stream\n");
|
||||
paerror = pa_stream_disconnect(stream);
|
||||
if (paerror) {
|
||||
printf("PulseAudio reported error: %s\n", pa_strerror(paerror));
|
||||
wxString s(pa_strerror(paerror), wxConvUTF8);
|
||||
throw s.c_str();
|
||||
}
|
||||
while (true) {
|
||||
stream_notify.Wait();
|
||||
if (sstate == PA_STREAM_TERMINATED) {
|
||||
break;
|
||||
} else if (sstate == PA_STREAM_FAILED) {
|
||||
printf("Stream stopping failed\n");
|
||||
throw _T("Something went wrong disconnecting the stream?!");
|
||||
}
|
||||
}*/
|
||||
|
||||
// And unref it
|
||||
printf("Stopped stream\n\n");
|
||||
}
|
||||
|
||||
|
||||
bool PulseAudioPlayer::IsPlaying()
|
||||
{
|
||||
return thread && thread->IsPlaying();
|
||||
return is_playing;
|
||||
}
|
||||
|
||||
|
||||
///////////
|
||||
// Set end
|
||||
void PulseAudioPlayer::SetEndPosition(__int64 pos) {
|
||||
if (thread) thread->SetEndPosition(pos);
|
||||
void PulseAudioPlayer::SetEndPosition(__int64 pos)
|
||||
{
|
||||
end_frame = pos;
|
||||
}
|
||||
|
||||
|
||||
////////////////////////
|
||||
// Set current position
|
||||
void PulseAudioPlayer::SetCurrentPosition(__int64 pos) {
|
||||
assert(false); // not supported (yet?)
|
||||
// I believe this isn't used anywhere. I hope not.
|
||||
void PulseAudioPlayer::SetCurrentPosition(__int64 pos)
|
||||
{
|
||||
cur_frame = pos;
|
||||
}
|
||||
|
||||
|
||||
__int64 PulseAudioPlayer::GetStartPosition()
|
||||
{
|
||||
if (thread) return thread->GetStartPosition();
|
||||
return 0;
|
||||
return start_frame;
|
||||
}
|
||||
|
||||
|
||||
__int64 PulseAudioPlayer::GetEndPosition()
|
||||
{
|
||||
if (thread) return thread->GetEndPosition();
|
||||
return 0;
|
||||
return end_frame;
|
||||
}
|
||||
|
||||
|
||||
////////////////////////
|
||||
// Get current position
|
||||
__int64 PulseAudioPlayer::GetCurrentPosition() {
|
||||
if (thread) return thread->GetCurrentPosition();
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
//////////////////////
|
||||
// Thread constructor
|
||||
PulseAudioPlayerThread::PulseAudioPlayerThread(AudioProvider *_provider)
|
||||
: wxThread(wxTHREAD_JOINABLE)
|
||||
, play_notify(0, 1)
|
||||
, stop_notify(0, 1)
|
||||
, shutdown_notify(0, 1)
|
||||
, provider(_provider)
|
||||
__int64 PulseAudioPlayer::GetCurrentPosition()
|
||||
{
|
||||
pa_sample_spec ss;
|
||||
ss.format = PA_SAMPLE_S16LE;
|
||||
ss.channels = provider->GetChannels();
|
||||
ss.rate = provider->GetSampleRate();
|
||||
|
||||
s = pa_simple_new(
|
||||
NULL, // default server
|
||||
"Aegisub", // application name
|
||||
PA_STREAM_PLAYBACK,
|
||||
NULL, // default device
|
||||
"Sound", // stream description
|
||||
&ss, // sample format
|
||||
NULL, // default channel map
|
||||
NULL, // default buffering attributes
|
||||
&paerror // store error code
|
||||
);
|
||||
if (!s) throw pa_strerror(paerror);
|
||||
// TODO: use pulse functions
|
||||
return cur_frame;
|
||||
}
|
||||
|
||||
|
||||
/////////////////////
|
||||
// Thread destructor
|
||||
PulseAudioPlayerThread::~PulseAudioPlayerThread() {
|
||||
pa_simple_free(s);
|
||||
}
|
||||
|
||||
|
||||
//////////////////////
|
||||
// Thread entry point
|
||||
wxThread::ExitCode PulseAudioPlayerThread::Entry()
|
||||
// Called by PA to notify about contetxt operation completion
|
||||
void PulseAudioPlayer::pa_context_success(pa_context *c, int success, PulseAudioPlayer *thread)
|
||||
{
|
||||
// Loop as long as we aren't told to shutdown
|
||||
while (shutdown_notify.TryWait() == wxSEMA_BUSY) {
|
||||
// Wait for a playback operation
|
||||
if (play_notify.WaitTimeout(100) == wxSEMA_NO_ERROR) {
|
||||
// So playback was posted... now play something
|
||||
play_mutex.Lock();
|
||||
PlaybackLoop();
|
||||
play_mutex.Unlock();
|
||||
}
|
||||
cur_frame = cur_frame / 2;
|
||||
thread->context_success_val = success;
|
||||
thread->context_success.Post();
|
||||
}
|
||||
|
||||
|
||||
// Called by PA to notify about other context-related stuff
|
||||
void PulseAudioPlayer::pa_context_notify(pa_context *c, PulseAudioPlayer *thread)
|
||||
{
|
||||
thread->cstate = pa_context_get_state(thread->context);
|
||||
//printf("Context state change: %d\n", thread->cstate);
|
||||
thread->context_notify.Post();
|
||||
}
|
||||
|
||||
|
||||
// Called by PA when an operation completes
|
||||
void PulseAudioPlayer::pa_stream_success(pa_stream *p, int success, PulseAudioPlayer *thread)
|
||||
{
|
||||
thread->stream_success_val = success;
|
||||
thread->stream_success.Post();
|
||||
}
|
||||
|
||||
|
||||
// Called by PA to request more data (and other things?)
|
||||
void PulseAudioPlayer::pa_stream_write(pa_stream *p, size_t length, PulseAudioPlayer *thread)
|
||||
{
|
||||
if (!thread->is_playing) return;
|
||||
if (thread->cur_frame >= thread->end_frame) {
|
||||
thread->is_playing = false;
|
||||
printf("PA requested more buffer, but no more to stream\n");
|
||||
return;
|
||||
}
|
||||
|
||||
return 0;
|
||||
printf("PA requested more buffer, %lu bytes\n", (unsigned long)length);
|
||||
unsigned long bpf = thread->bpf;
|
||||
unsigned long frames = length / thread->bpf;
|
||||
unsigned long maxframes = thread->end_frame - thread->cur_frame;
|
||||
if (frames > maxframes) frames = maxframes;
|
||||
printf("Handing it %lu frames\n", frames);
|
||||
void *buf = malloc(frames * bpf);
|
||||
thread->provider->GetAudioWithVolume(buf, thread->cur_frame, frames, thread->volume);
|
||||
::pa_stream_write(p, buf, frames*bpf, free, 0, PA_SEEK_RELATIVE);
|
||||
thread->cur_frame += frames;
|
||||
}
|
||||
|
||||
void PulseAudioPlayerThread::PlaybackLoop()
|
||||
|
||||
// Called by PA to notify about other stuff
|
||||
void PulseAudioPlayer::pa_stream_notify(pa_stream *p, PulseAudioPlayer *thread)
|
||||
{
|
||||
// Bytes per frame
|
||||
unsigned long bpf = provider->GetChannels() * provider->GetBytesPerSample();
|
||||
// Number of frames in a read
|
||||
unsigned long datalen = provider->GetSampleRate()/8;
|
||||
// Read buffer
|
||||
void *data = malloc(datalen * bpf);
|
||||
unsigned long cur_pos = 0;
|
||||
|
||||
while (true) {
|
||||
// Get/set parameters
|
||||
parameter_mutex.Lock();
|
||||
double vol = volume;
|
||||
cur_frame = cur_pos;
|
||||
unsigned long end_pos = end_frame;
|
||||
parameter_mutex.Unlock();
|
||||
|
||||
// Check for stop
|
||||
if (stop_notify.TryWait() != wxSEMA_BUSY) {
|
||||
pa_simple_flush(s, &paerror);
|
||||
break;
|
||||
}
|
||||
|
||||
// Check for end of stream
|
||||
if (cur_pos >= end_pos) {
|
||||
pa_simple_drain(s, &paerror);
|
||||
break;
|
||||
}
|
||||
|
||||
// Write some frames
|
||||
unsigned long to_read = datalen;
|
||||
if (cur_pos + to_read > end_pos)
|
||||
to_read = end_pos - cur_pos;
|
||||
provider->GetAudioWithVolume(data, cur_pos, to_read, vol);
|
||||
if (pa_simple_write(s, data, to_read*bpf, &paerror) < 0) break;
|
||||
cur_pos += to_read;
|
||||
}
|
||||
|
||||
free(data);
|
||||
}
|
||||
|
||||
|
||||
void PulseAudioPlayerThread::Play(unsigned long _start_frame, unsigned long _num_frames)
|
||||
{
|
||||
StopWait();
|
||||
|
||||
cur_frame = start_frame = _start_frame;
|
||||
end_frame = start_frame + _num_frames;
|
||||
|
||||
play_notify.Post();
|
||||
}
|
||||
|
||||
|
||||
void PulseAudioPlayerThread::SetEndPosition(unsigned long _end_frame)
|
||||
{
|
||||
parameter_mutex.Lock();
|
||||
end_frame = _end_frame;
|
||||
parameter_mutex.Unlock();
|
||||
}
|
||||
|
||||
|
||||
////////////////////////
|
||||
// Stop playback thread
|
||||
void PulseAudioPlayerThread::Stop()
|
||||
{
|
||||
stop_notify.Post();
|
||||
}
|
||||
|
||||
|
||||
void PulseAudioPlayerThread::StopWait()
|
||||
{
|
||||
stop_notify.Post();
|
||||
// Now wait for the play mutex to have been freed
|
||||
play_mutex.Lock();
|
||||
play_mutex.Unlock();
|
||||
}
|
||||
|
||||
|
||||
void PulseAudioPlayerThread::Shutdown()
|
||||
{
|
||||
Stop();
|
||||
shutdown_notify.Post();
|
||||
}
|
||||
|
||||
|
||||
void PulseAudioPlayerThread::SetVolume(double new_volume)
|
||||
{
|
||||
parameter_mutex.Lock();
|
||||
volume = new_volume;
|
||||
parameter_mutex.Unlock();
|
||||
}
|
||||
|
||||
|
||||
unsigned long PulseAudioPlayerThread::GetStartPosition()
|
||||
{
|
||||
wxMutexLocker lock(parameter_mutex);
|
||||
return start_frame;
|
||||
}
|
||||
|
||||
|
||||
unsigned long PulseAudioPlayerThread::GetEndPosition()
|
||||
{
|
||||
wxMutexLocker lock(parameter_mutex);
|
||||
return end_frame;
|
||||
}
|
||||
|
||||
|
||||
unsigned long PulseAudioPlayerThread::GetCurrentPosition()
|
||||
{
|
||||
// Step 1: Get last written frame number
|
||||
parameter_mutex.Lock();
|
||||
unsigned long pos = cur_frame;
|
||||
parameter_mutex.Unlock();
|
||||
|
||||
// Step 2: ???
|
||||
|
||||
// Step 3: Profit!
|
||||
return pos;
|
||||
}
|
||||
|
||||
|
||||
bool PulseAudioPlayerThread::IsPlaying()
|
||||
{
|
||||
return play_mutex.TryLock() == wxMUTEX_BUSY;
|
||||
thread->sstate = pa_stream_get_state(thread->stream);
|
||||
//printf("Stream state change: %d\n", thread->sstate);
|
||||
thread->stream_notify.Post();
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue