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Use larger stack for media decoder threads

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This increases the thread size for the platform decoder threads (to prevent stack overflows, particularly when decoding av1), while leaving the others at their default values.
This commit is contained in:
trav90 2018-10-20 14:53:15 -05:00 • committed by Roy Tam
commit 8dd06e64c3
1 changed files with 13 additions and 1 deletions
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14
dom/media/VideoUtils.cpp
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@ -207,8 +207,20 @@ already_AddRefed<SharedThreadPool> GetMediaThreadPool(MediaThreadType aType)
name = "MediaPlayback";
break;
}
return SharedThreadPool::
RefPtr<SharedThreadPool> pool = SharedThreadPool::
Get(nsDependentCString(name), MediaPrefs::MediaThreadPoolDefaultCount());
// Ensure a larger stack for platform decoder threads
if (aType == MediaThreadType::PLATFORM_DECODER) {
const uint32_t minStackSize = 512*1024;
uint32_t stackSize;
MOZ_ALWAYS_SUCCEEDS(pool->GetThreadStackSize(&stackSize));
if (stackSize < minStackSize) {
MOZ_ALWAYS_SUCCEEDS(pool->SetThreadStackSize(minStackSize));
}
}
return pool.forget();
}
bool