baseaudiosink: add ugly backward compat hack

Check for pulsesink < 0.10.17 because it includes code that is now included in
baseaudiosink. Disable that code in baseaudiosink to be compatible with the
older version.
This commit is contained in:
Wim Taymans 2009-09-10 12:38:16 +02:00
parent 8939bc6c82
commit 35cddfb1e3

View file

@ -56,6 +56,8 @@ struct _GstBaseAudioSinkPrivate
gboolean sync_latency;
GstClockTime eos_time;
gboolean do_time_offset;
};
/* BaseAudioSink signals and args */
@ -231,12 +233,15 @@ gst_base_audio_sink_class_init (GstBaseAudioSinkClass * klass)
* thread-safety in GObject */
g_type_class_ref (GST_TYPE_AUDIO_CLOCK);
g_type_class_ref (GST_TYPE_RING_BUFFER);
}
static void
gst_base_audio_sink_init (GstBaseAudioSink * baseaudiosink,
GstBaseAudioSinkClass * g_class)
{
GstPluginFeature *feature;
baseaudiosink->priv = GST_BASE_AUDIO_SINK_GET_PRIVATE (baseaudiosink);
baseaudiosink->buffer_time = DEFAULT_BUFFER_TIME;
@ -253,6 +258,24 @@ gst_base_audio_sink_init (GstBaseAudioSink * baseaudiosink,
/* install some custom pad_query functions */
gst_pad_set_query_function (GST_BASE_SINK_PAD (baseaudiosink),
GST_DEBUG_FUNCPTR (gst_base_audio_sink_query_pad));
baseaudiosink->priv->do_time_offset = TRUE;
/* check the factory, pulsesink < 0.10.17 does the timestamp offset itself so
* we should not do ourselves */
feature =
GST_PLUGIN_FEATURE_CAST (GST_ELEMENT_CLASS (g_class)->elementfactory);
GST_DEBUG ("created from factory %p", feature);
/* HACK for old pulsesink that did the time_offset themselves */
if (feature) {
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 */
baseaudiosink->priv->do_time_offset = FALSE;
}
}
}
}
static void
@ -1409,16 +1432,18 @@ gst_base_audio_sink_render (GstBaseSink * bsink, GstBuffer * buf)
}
/* bring to position in the ringbuffer */
time_offset =
GST_AUDIO_CLOCK_CAST (sink->provided_clock)->abidata.ABI.time_offset;
if (render_start > time_offset)
render_start -= time_offset;
else
render_start = 0;
if (render_stop > time_offset)
render_stop -= time_offset;
else
render_stop = 0;
if (sink->priv->do_time_offset) {
time_offset =
GST_AUDIO_CLOCK_CAST (sink->provided_clock)->abidata.ABI.time_offset;
if (render_start > time_offset)
render_start -= time_offset;
else
render_start = 0;
if (render_stop > time_offset)
render_stop -= time_offset;
else
render_stop = 0;
}
/* and bring the time to the rate corrected offset in the buffer */
render_start = gst_util_uint64_scale_int (render_start,