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Fix some nullptr dereferences in Audio

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Fixes #859
This commit is contained in:
Tux3 / Mlkj / !Lev.uXFMLA 2014-11-26 23:21:57 +01:00
parent 1b7193fb1f
commit a083d8dbc6
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GPG Key ID: 7E086DD661263264
1 changed files with 7 additions and 4 deletions
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11
src/audio.cpp
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@ -60,7 +60,8 @@ void Audio::openInput(const QString& inDevDescr)
{
auto* tmp = alInDev;
alInDev = nullptr;
alcCaptureCloseDevice(tmp);
if (tmp)
alcCaptureCloseDevice(tmp);
int stereoFlag = av_DefaultSettings.audio_channels==1 ? AL_FORMAT_MONO16 : AL_FORMAT_STEREO16;
if (inDevDescr.isEmpty())
alInDev = alcCaptureOpenDevice(nullptr,av_DefaultSettings.audio_sample_rate, stereoFlag,
@ -78,7 +79,7 @@ void Audio::openInput(const QString& inDevDescr)
Core::getInstance()->resetCallSources(); // Force to regen each group call's sources
// Restart the capture if necessary
if (userCount.load() != 0)
if (userCount.load() != 0 && alInDev)
alcCaptureStart(alInDev);
}
@ -86,7 +87,8 @@ void Audio::openOutput(const QString& outDevDescr)
{
auto* tmp = alOutDev;
alOutDev = nullptr;
alcCloseDevice(tmp);
if (tmp)
alcCloseDevice(tmp);
if (outDevDescr.isEmpty())
alOutDev = alcOpenDevice(nullptr);
else
@ -97,7 +99,8 @@ void Audio::openOutput(const QString& outDevDescr)
}
else
{
alcDestroyContext(alContext);
if (alContext)
alcDestroyContext(alContext);
alContext=alcCreateContext(alOutDev,nullptr);
if (!alcMakeContextCurrent(alContext))
{