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UI: Ignore first 2.5 seconds of bandwidth test

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System network buffers need to be given some time to fill before
starting a bandwidth test.  This prevents the buffers from skewing with
the results.
This commit is contained in:
jp9000 2017-06-15 20:00:01 -07:00
parent c4036b18bb
commit bc30c39a03
1 changed files with 15 additions and 1 deletions
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16
UI/window-basic-auto-config-test.cpp
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@ -356,6 +356,19 @@ void AutoConfigTestPage::TestBandwidthThread()
Q_ARG(QString, QTStr(TEST_BW_SERVER)
.arg(server.name.c_str())));
/* ignore first 2.5 seconds due to possible buffering skewing
* the result */
cv.wait_for(ul, chrono::milliseconds(2500));
if (stopped)
continue;
if (cancel) {
ul.unlock();
obs_output_force_stop(output);
return;
}
/* continue test */
int start_bytes = (int)obs_output_get_total_bytes(output);
uint64_t t_start = os_gettime_ns();
cv.wait_for(ul, chrono::seconds(10));
@ -372,7 +385,8 @@ void AutoConfigTestPage::TestBandwidthThread()
uint64_t total_time = os_gettime_ns() - t_start;
int total_bytes = (int)obs_output_get_total_bytes(output);
int total_bytes = (int)obs_output_get_total_bytes(output) -
start_bytes;
uint64_t bitrate = (uint64_t)total_bytes * 8
* 1000000000 / total_time / 1000;