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baseaudiosink: fix initial calibration

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When we are calibrating the internal clock against the external clock take into
account the time offset applied to our internal clock because we will subtract
that in the render_function again.
This commit is contained in:
Wim Taymans 2009-11-18 17:09:28 +01:00
parent af34d2c1f8
commit 0e6b9e596d
1 changed files with 8 additions and 0 deletions
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8
gst-libs/gst/audio/gstbaseaudiosink.c
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@ -295,6 +295,7 @@ gst_base_audio_sink_init (GstBaseAudioSink * baseaudiosink,
if (strcmp (gst_plugin_feature_get_name (feature), "pulsesink") == 0) {
if (!gst_plugin_feature_check_version (feature, 0, 10, 17)) {
/* we're dealing with an old pulsesink, we need to disable time corection */
GST_DEBUG ("disable time offset");
baseaudiosink->priv->do_time_offset = FALSE;
}
}
@ -1196,6 +1197,7 @@ gst_base_audio_sink_sync_latency (GstBaseSink * bsink, GstMiniObject * obj)
* time of the external clock) */
etime = GST_ELEMENT_CAST (sink)->base_time + time;
itime = gst_audio_clock_get_time (sink->provided_clock);
itime = gst_audio_clock_adjust (sink->provided_clock, itime);
if (status == GST_CLOCK_EARLY) {
/* when we prerolled late, we have to take into account the lateness */
@ -1457,10 +1459,16 @@ gst_base_audio_sink_render (GstBaseSink * bsink, GstBuffer * buf)
&render_start, &render_stop);
}
GST_DEBUG_OBJECT (sink,
"final timestamps: start %" GST_TIME_FORMAT " - stop %" GST_TIME_FORMAT,
GST_TIME_ARGS (render_start), GST_TIME_ARGS (render_stop));
/* bring to position in the ringbuffer */
if (sink->priv->do_time_offset) {
time_offset =
GST_AUDIO_CLOCK_CAST (sink->provided_clock)->abidata.ABI.time_offset;
GST_DEBUG_OBJECT (sink,
"time offset %" GST_TIME_FORMAT, GST_TIME_ARGS (time_offset));
if (render_start > time_offset)
render_start -= time_offset;
else