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gst: keep track of clock time

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Invalidate the clock when the stream is destroyed and let the new
clock take the time of previous clock when no timing info is
available.
This commit is contained in:
Wim Taymans 2018-08-13 15:19:20 +02:00
parent 21a79241ed
commit f0a1ab993f
4 changed files with 19 additions and 10 deletions
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15
src/gst/gstpipewireclock.c
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@ -31,12 +31,13 @@ GST_DEBUG_CATEGORY_STATIC (gst_pipewire_clock_debug_category);
G_DEFINE_TYPE (GstPipeWireClock, gst_pipewire_clock, GST_TYPE_SYSTEM_CLOCK);
GstClock *
gst_pipewire_clock_new (struct pw_stream *stream)
gst_pipewire_clock_new (struct pw_stream *stream, GstClockTime last_time)
{
GstPipeWireClock *clock;
clock = g_object_new (GST_TYPE_PIPEWIRE_CLOCK, NULL);
clock->stream = stream;
clock->last_time = last_time;
return GST_CLOCK_CAST (clock);
}
@ -48,14 +49,14 @@ gst_pipewire_clock_get_internal_time (GstClock * clock)
GstClockTime result;
struct pw_time t;
pw_stream_get_time (pclock->stream, &t);
if (pclock->stream == NULL ||
pw_stream_get_time (pclock->stream, &t) < 0 ||
t.rate.denom == 0)
return pclock->last_time;
if (t.rate.denom)
result = gst_util_uint64_scale_int (t.ticks, GST_SECOND * t.rate.num, t.rate.denom);
else
result = GST_CLOCK_TIME_NONE;
result = gst_util_uint64_scale_int (t.ticks, GST_SECOND * t.rate.num, t.rate.denom);
GST_DEBUG ("%"PRId64", %d %"PRId64, t.ticks, t.rate.denom, result);
GST_DEBUG ("%"PRId64", %d/%d %"PRId64, t.ticks, t.rate.num, t.rate.denom, result);
return result;
}