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Convert NeedsIdr member into an atomic variable with a getter

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This commit is contained in:
Cameron Gutman 2022-01-17 14:30:12 -06:00
parent b9a6fb1fe5
commit 8a27fa7bb5
2 changed files with 15 additions and 10 deletions
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21
app/streaming/session.cpp
View file

@ -264,14 +264,12 @@ int Session::drSubmitDecodeUnit(PDECODE_UNIT du)
// safely return DR_OK and wait for m_NeedsIdr to be set by
// the decoder reinitialization code.
if (SDL_AtomicTryLock(&s_ActiveSession->m_DecoderLock)) {
if (s_ActiveSession->m_NeedsIdr) {
// If we reset our decoder, we'll need to request an IDR frame
s_ActiveSession->m_NeedsIdr = false;
SDL_AtomicUnlock(&s_ActiveSession->m_DecoderLock);
return DR_NEED_IDR;
}
if (s_ActiveSession->getAndClearPendingIdrFrameStatus()) {
// If we reset our decoder, we'll need to request an IDR frame
return DR_NEED_IDR;
}
if (SDL_AtomicTryLock(&s_ActiveSession->m_DecoderLock)) {
IVideoDecoder* decoder = s_ActiveSession->m_VideoDecoder;
if (decoder != nullptr) {
int ret = decoder->submitDecodeUnit(du);
@ -379,7 +377,6 @@ Session::Session(NvComputer* computer, NvApp& app, StreamingPreferences *prefere
m_Window(nullptr),
m_VideoDecoder(nullptr),
m_DecoderLock(0),
m_NeedsIdr(false),
m_AudioDisabled(false),
m_AudioMuted(false),
m_DisplayOriginX(0),
@ -397,6 +394,7 @@ Session::Session(NvComputer* computer, NvApp& app, StreamingPreferences *prefere
m_AudioSampleCount(0),
m_DropAudioEndTime(0)
{
SDL_AtomicSet(&m_NeedsIdr, 0);
}
// NB: This may not get destroyed for a long time! Don't put any vital cleanup here.
@ -1185,6 +1183,11 @@ void Session::flushWindowEvents()
SDL_PushEvent(&flushEvent);
}
bool Session::getAndClearPendingIdrFrameStatus()
{
return SDL_AtomicSet(&m_NeedsIdr, 0);
}
class ExecThread : public QThread
{
public:
@ -1634,7 +1637,7 @@ void Session::execInternal()
}
// Request an IDR frame to complete the reset
m_NeedsIdr = true;
SDL_AtomicSet(&m_NeedsIdr, 1);
SDL_AtomicUnlock(&m_DecoderLock);
break;

4
app/streaming/session.h
View file

@ -42,6 +42,8 @@ public:
void flushWindowEvents();
bool getAndClearPendingIdrFrameStatus();
signals:
void stageStarting(QString stage);
@ -145,7 +147,7 @@ private:
SDL_Window* m_Window;
IVideoDecoder* m_VideoDecoder;
SDL_SpinLock m_DecoderLock;
bool m_NeedsIdr;
SDL_atomic_t m_NeedsIdr;
bool m_AudioDisabled;
bool m_AudioMuted;
Uint32 m_FullScreenFlag;