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Fix handling paused devices with the wave writer backend

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This commit is contained in:
Chris Robinson
2021-01-21 06:51:29 -08:00
parent 19adb622ef
commit fb6585cf18
1 changed files with 14 additions and 10 deletions
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alc/backends/wave.cpp
+14 -10
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@@ -176,9 +176,8 @@ int WaveBackend::mixerProc()
}
}
size_t fs{fwrite(mBuffer.data(), frameSize, mDevice->UpdateSize, mFile)};
(void)fs;
if(ferror(mFile))
const size_t fs{fwrite(mBuffer.data(), frameSize, mDevice->UpdateSize, mFile)};
if(fs < mDevice->UpdateSize || ferror(mFile))
{
ERR("Error writing to file\n");
mDevice->handleDisconnect("Failed to write playback samples");
@@ -336,6 +335,8 @@ bool WaveBackend::reset()
void WaveBackend::start()
{
if(mDataStart > 0 && fseek(mFile, 0, SEEK_END) != 0)
WARN("Failed to seek on output file\n");
try {
mKillNow.store(false, std::memory_order_release);
mThread = std::thread{std::mem_fn(&WaveBackend::mixerProc), this};
@@ -352,14 +353,17 @@ void WaveBackend::stop()
return;
mThread.join();
long size{ftell(mFile)};
if(size > 0)
if(mDataStart > 0)
{
long dataLen{size - mDataStart};
if(fseek(mFile, mDataStart-4, SEEK_SET) == 0)
fwrite32le(static_cast<uint>(dataLen), mFile); // 'data' header len
if(fseek(mFile, 4, SEEK_SET) == 0)
fwrite32le(static_cast<uint>(size-8), mFile); // 'WAVE' header len
long size{ftell(mFile)};
if(size > 0)
{
long dataLen{size - mDataStart};
if(fseek(mFile, 4, SEEK_SET) == 0)
fwrite32le(static_cast<uint>(size-8), mFile); // 'WAVE' header len
if(fseek(mFile, mDataStart-4, SEEK_SET) == 0)
fwrite32le(static_cast<uint>(dataLen), mFile); // 'data' header len
}
}
}