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[client] corrected polling logic
Calculating the pollDelay for the next frame is impossible as the frame rate is determined by the host application's capture API and may wildly vary.
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ce278d17a7
commit
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@ -144,8 +144,6 @@ int renderThread(void * unused)
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{
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bool error = false;
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struct KVMFRHeader header;
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int pollDelay = 0;
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int lateCount = 0;
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volatile uint64_t * dataPos = &state.shm->dataPos;
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while(state.running)
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@ -153,22 +151,14 @@ int renderThread(void * unused)
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// if the next frame isn't aready available
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if (header.dataPos == *dataPos)
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{
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// wait for a frame
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const uint64_t pollStart = microtime();
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if (pollDelay > 0)
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usleep(pollDelay);
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if (header.dataPos != *dataPos)
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++lateCount;
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// poll until we have a new frame, or we time out
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while(header.dataPos == *dataPos && state.running) {
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if (microtime() - pollStart > 100)
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break;
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const struct timespec s = {
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.tv_sec = 0,
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.tv_nsec = 1000
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};
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nanosleep(&s, NULL);
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}
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// update the delay
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pollDelay = microtime() - pollStart - 100;
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}
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// we must take a copy of the header, both to let the guest advance and to
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