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PulseAudio: Make FlushLoop more robust

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When PA_CONTEXT_READY is called multiple times, PulseAudio::FlusLoop() would get stuck to to integer underflow.
Now there are multiple things preventing that.

Possible fix for https://github.com/scorpion-26/gBar/issues/7
This commit is contained in:
scorpion-26 2023-02-21 21:19:22 +01:00
parent 60b9355e88
commit 0e4b877654
1 changed files with 8 additions and 3 deletions
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11
src/PulseAudio.h
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@ -11,14 +11,15 @@ namespace PulseAudio
static pa_mainloop* mainLoop; static pa_mainloop* mainLoop;
static pa_context* context; static pa_context* context;
static uint32_t pending = 0; static int32_t pending = 0;
inline void FlushLoop() inline void FlushLoop()
{ {
while (pending) while (pending > 0)
{ {
pa_mainloop_iterate(mainLoop, 0, nullptr); pa_mainloop_iterate(mainLoop, 0, nullptr);
} }
pending = 0;
} }
inline void Init() inline void Init()
@ -41,7 +42,11 @@ namespace PulseAudio
case PA_CONTEXT_CONNECTING: case PA_CONTEXT_CONNECTING:
// Don't care // Don't care
break; break;
case PA_CONTEXT_READY: pending--; break; case PA_CONTEXT_READY:
// Prevent pending from going negative when PA_CONTEXT_READY is called multiple times
if (pending > 0)
pending--;
break;
} }
}; };