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audiolatency: Avoid bogus pts values while starting

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This commit is contained in:
Nirbheek Chauhan 2018-04-03 23:53:24 +05:30
parent f7352ecc5c
commit 2ee16a5810
1 changed files with 19 additions and 5 deletions
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24
gst/audiolatency/gstaudiolatency.c
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@ -174,6 +174,8 @@ gst_audiolatency_init (GstAudioLatency * self)
GstPad *srcpad;
GstPadTemplate *templ;
self->send_pts = 0;
self->recv_pts = 0;
self->print_latency = DEFAULT_PRINT_LATENCY;
/* Setup sinkpad */
@ -353,7 +355,8 @@ gst_audiolatency_src_probe (GstPad * pad, GstPadProbeInfo * info,
GST_TRACE ("audiotestsrc pushed out a buffer");
pts = g_get_monotonic_time ();
/* The ticks are once a second, so we can skip checking most buffers */
/* Ticks are once a second, so once we send something, we can skip
* checking ~1sec of buffers till the next one. */
if (self->send_pts > 0 && pts - self->send_pts <= 950 * 1000)
goto out;
@ -364,9 +367,13 @@ gst_audiolatency_src_probe (GstPad * pad, GstPadProbeInfo * info,
goto out;
pts -= offset;
GST_INFO ("send pts: %" G_GINT64_FORMAT "us (after %" G_GINT64_FORMAT
"ms, offset %" G_GINT64_FORMAT "ms)", pts,
(pts - self->send_pts) / 1000, offset / 1000);
{
gint64 after = 0;
if (self->send_pts > 0)
after = (pts - self->send_pts) / 1000;
GST_INFO ("send pts: %" G_GINT64_FORMAT "us (after %" G_GINT64_FORMAT
"ms, offset %" G_GINT64_FORMAT "ms)", pts, after, offset / 1000);
}
self->send_pts = pts + offset;
@ -381,10 +388,17 @@ gst_audiolatency_sink_chain (GstPad * pad, GstObject * parent,
GstAudioLatency *self = GST_AUDIOLATENCY (parent);
gint64 latency, offset, pts;
/* Ignore buffers till something gets sent out by us. Fixes a bug where we'd
* start out by printing one garbage latency value on Windows. */
if (self->send_pts == 0)
goto out;
GST_TRACE_OBJECT (pad, "Got buffer %p", buffer);
pts = g_get_monotonic_time ();
/* The ticks are once a second, so we can skip checking most buffers */
/* Ticks are once a second, so once we receive something, we can skip
* checking ~1sec of buffers till the next one. This way we also don't count
* the same tick twice for latency measurement. */
if (self->recv_pts > 0 && pts - self->recv_pts <= 950 * 1000)
goto out;