archive/Cemu
1
0
Fork 0
mirror of https://github.com/cemu-project/Cemu.git synced 2025-07-08 07:51:19 +12:00
Code Issues Projects Releases Packages Wiki Activity Actions

name the magic values

Browse source
This commit is contained in:
goeiecool9999 2024-01-15 12:00:15 +01:00
parent a5aba28673
commit a143556d89
1 changed files with 9 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/Cafe/HW/Latte/Core/LatteShaderCache.cpp
View file

@ -820,19 +820,23 @@ void LatteShaderCache_handleDeprecatedCacheFiles(fs::path pathGeneric, fs::path
} }
} }
constexpr sint32 samplesPerBlock = 4800;
static std::atomic<bool> audiothread_keeprunning = true; static std::atomic<bool> audiothread_keeprunning = true;
void LatteShaderCache_StreamBootSound() void LatteShaderCache_StreamBootSound()
{ {
constexpr sint32 sampleRate = 48'000;
constexpr sint32 bitsPerSample = 16;
constexpr sint32 samplesPerBlock = sampleRate / 10; // block is 1/10th of a second
constexpr sint32 nChannels = 2;
static_assert(bitsPerSample % 8 == 0, "bits per sample is not a multiple of 8");
AudioAPIPtr bootSndAudioDev; AudioAPIPtr bootSndAudioDev;
std::unique_ptr<BootSoundReader> bootSndFileReader; std::unique_ptr<BootSoundReader> bootSndFileReader;
FSCVirtualFile* bootSndFileHandle = 0; FSCVirtualFile* bootSndFileHandle = 0;
const sint32 audioBlockSize = samplesPerBlock * 2 * 2;
try try
{ {
bootSndAudioDev = IAudioAPI::CreateDeviceFromConfig(true, 48000, 2, samplesPerBlock, 16); bootSndAudioDev = IAudioAPI::CreateDeviceFromConfig(true, sampleRate, nChannels, samplesPerBlock, bitsPerSample);
if(!bootSndAudioDev) if(!bootSndAudioDev)
return; return;
} }
@ -850,6 +854,7 @@ void LatteShaderCache_StreamBootSound()
if(!bootSndFileHandle) if(!bootSndFileHandle)
return; return;
constexpr sint32 audioBlockSize = samplesPerBlock * (bitsPerSample/8) * nChannels;
bootSndFileReader = std::make_unique<BootSoundReader>(bootSndFileHandle, audioBlockSize); bootSndFileReader = std::make_unique<BootSoundReader>(bootSndFileHandle, audioBlockSize);
if(bootSndAudioDev && bootSndFileHandle && bootSndFileReader) if(bootSndAudioDev && bootSndFileHandle && bootSndFileReader)
@ -859,7 +864,7 @@ void LatteShaderCache_StreamBootSound()
while (bootSndAudioDev->NeedAdditionalBlocks()) while (bootSndAudioDev->NeedAdditionalBlocks())
bootSndAudioDev->FeedBlock(bootSndFileReader->getSamples()); bootSndAudioDev->FeedBlock(bootSndFileReader->getSamples());
// sleep for the duration of a single block // sleep for the duration of a single block
std::this_thread::sleep_for(std::chrono::milliseconds(samplesPerBlock / (48'000/ 1'000))); std::this_thread::sleep_for(std::chrono::milliseconds(samplesPerBlock / (sampleRate/ 1'000)));
} }
} }