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Fix crash if audio init fails (especially if there are no output devices)

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This commit is contained in:
elasota
2020-05-28 23:05:32 -04:00
parent 11628ddd93
commit 42e124a90c
2 changed files with 17 additions and 3 deletions
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8
GpApp/Music.cpp
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@@ -134,7 +134,7 @@ void ToggleMusicWhilePlaying (void)
void SetMusicalMode (short newMode) void SetMusicalMode (short newMode)
{ {
if (dontLoadMusic) if (dontLoadMusic || failedMusic)
return; return;
musicMutex->Lock(); musicMutex->Lock();
@@ -302,6 +302,12 @@ void InitMusic (void)
return; return;
} }
theErr = OpenMusicChannel(); theErr = OpenMusicChannel();
if (theErr != PLErrors::kNone)
{
YellowAlert(kYellowNoMusic, theErr);
failedMusic = true;
return;
}
musicScore[0] = 0; musicScore[0] = 0;
musicScore[1] = 1; musicScore[1] = 1;

12
PortabilityLayer/PLSound.cpp
View File

@@ -353,12 +353,15 @@ namespace PortabilityLayer
AudioChannel *SoundSystemImpl::CreateChannel() AudioChannel *SoundSystemImpl::CreateChannel()
{ {
IGpAudioDriver *audioDriver = PortabilityLayer::HostAudioDriver::GetInstance();
if (!audioDriver)
return nullptr;
PortabilityLayer::MemoryManager *mm = PortabilityLayer::MemoryManager::GetInstance(); PortabilityLayer::MemoryManager *mm = PortabilityLayer::MemoryManager::GetInstance();
void *storage = mm->Alloc(sizeof(PortabilityLayer::AudioChannelImpl)); void *storage = mm->Alloc(sizeof(PortabilityLayer::AudioChannelImpl));
if (!storage) if (!storage)
return nullptr; return nullptr;
IGpAudioDriver *audioDriver = PortabilityLayer::HostAudioDriver::GetInstance();
IGpAudioChannel *audioChannel = audioDriver->CreateChannel(); IGpAudioChannel *audioChannel = audioDriver->CreateChannel();
if (!audioChannel) if (!audioChannel)
{ {
@@ -388,7 +391,12 @@ namespace PortabilityLayer
void SoundSystemImpl::SetVolume(uint8_t vol) void SoundSystemImpl::SetVolume(uint8_t vol)
{ {
PortabilityLayer::HostAudioDriver::GetInstance()->SetMasterVolume(vol, 255); IGpAudioDriver *audioDriver = PortabilityLayer::HostAudioDriver::GetInstance();
if (!audioDriver)
return;
audioDriver->SetMasterVolume(vol, 255);
m_volume = vol; m_volume = vol;
} }