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Fix audio fade

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This commit is contained in:
Varun Patil 2020-05-04 19:33:24 +05:30
parent c94323ec16
commit 501d6ae608
2 changed files with 22 additions and 5 deletions
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7
src/alstream.cpp
View file

@ -285,7 +285,9 @@ void ALStream::stopStream()
if (thread)
{
#ifndef __EMSCRIPTEN__
SDL_WaitThread(thread, 0);
#endif
thread = 0;
needsRewind.set();
}
@ -312,6 +314,7 @@ void ALStream::startStream(float offset)
#ifdef __EMSCRIPTEN__
streamData();
thread = (SDL_Thread *) 1;
#else
thread = createSDLThread
<ALStream, &ALStream::streamData>(this, threadName);
@ -420,7 +423,7 @@ void ALStream::streamData()
#ifndef __EMSCRIPTEN__
while (true)
{
streamDevice();
update();
if (threadTermReq)
break;
@ -430,7 +433,7 @@ void ALStream::streamData()
}
void ALStream::update() {
if (threadTermReq)
if (!thread || threadTermReq)
return;
shState->rtData().syncPoint.passSecondarySync();

20
src/audiostream.cpp
View file

@ -284,10 +284,8 @@ void AudioStream::finiFadeOutInt()
void AudioStream::startFadeIn()
{
#ifdef __EMSCRIPTEN__
/* Previous fadein should always be terminated in play() */
assert(!fadeIn.thread);
#endif
fadeIn.rqFini.clear();
fadeIn.rqTerm.clear();
@ -295,6 +293,7 @@ void AudioStream::startFadeIn()
#ifdef __EMSCRIPTEN__
fadeInThread();
fadeIn.thread = (SDL_Thread *) 1;
#else
fadeIn.thread = createSDLThread
<AudioStream, &AudioStream::fadeInThread>(this, fadeIn.threadName);
@ -357,11 +356,18 @@ void AudioStream::fadeOutThread()
void AudioStream::fadeInThread()
{
#ifndef __EMSCRIPTEN__
while (true)
#else
if (fadeIn.thread)
#endif
{
if (fadeIn.rqTerm)
#ifndef __EMSCRIPTEN__
break;
#else
return;
#endif
lockStream();
/* Fade in duration is always 1 second */
@ -377,7 +383,12 @@ void AudioStream::fadeInThread()
setVolume(FadeIn, 1.0f);
unlockStream();
#ifdef __EMSCRIPTEN__
fadeIn.thread = 0;
return;
#else
break;
#endif
}
/* Quadratic increase (not really the same as
@ -386,12 +397,15 @@ void AudioStream::fadeInThread()
unlockStream();
#ifndef __EMSCRIPTEN__
SDL_Delay(AUDIO_SLEEP);
#endif
}
}
void AudioStream::update()
{
fadeOutThread();
fadeInThread();
stream.update();
}