audiomixer not working when clock is synced to ntp

[Sebastian Dröge]

On Thu, 2022-09-01 at 15:47 +0530, 136_B4_USAMA _TAHSEEN via gstreamer-devel wrote:
> created this  simple pipeline in C  
>  audiotestsrc is-live=true ! audiomixer  ! audioconvert 
> 
> I have synced  pipeline clock using external ntp clock 
>  
>   gst_element_set_base_time(gst_pipe, 0);
>   gst_element_set_start_time(gst_pipe, GST_CLOCK_TIME_NONE);
>   net_clock = gst_net_client_clock_new(NULL, clock_host, clock_port, 0);
>   /* Wait until the local clock synchronises to the master */
>   gst_clock_wait_for_sync(net_clock, GST_CLOCK_TIME_NONE);
>   g_print("Network clock is synched to master\n");
>   gst_pipeline_use_clock(gstpipline, net_clock);
> this is the code for syncing clock
> when I remove the above code I can here the audio. but I cannot here the audio when the clock is synced

Are you setting start-time-selection=start on the audiomixer? If not it
will begin with outputting silence for everything between time 0 and
the current clock time, so 122 years of silence in case of a proper NTP
clock.

-- 
Sebastian Dröge, Centricular Ltd · https://www.centricular.com