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gst/level/gstlevel.*: Resolve message timestamps against the playback segment.

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Original commit message from CVS:
* gst/level/gstlevel.c: (gst_level_class_init),
(gst_level_set_caps), (gst_level_start), (gst_level_event),
(gst_level_transform_ip):
* gst/level/gstlevel.h:
Resolve message timestamps against the playback segment.
This commit is contained in:
Stefan Kost 2007-03-07 11:24:05 +00:00
parent 28114d571f
commit 143708a433
3 changed files with 57 additions and 5 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2007-03-07 Stefan Kost <ensonic@users.sf.net>
* gst/level/gstlevel.c: (gst_level_class_init),
(gst_level_set_caps), (gst_level_start), (gst_level_event),
(gst_level_transform_ip):
* gst/level/gstlevel.h:
Resolve message timestamps against the playback segment.
2007-03-06 Tim-Philipp Müller <tim at centricular dot net>
* gst/id3demux/gstid3demux.c: (gst_id3demux_add_srcpad),

52
gst/level/gstlevel.c
View file

@ -146,6 +146,8 @@ static void gst_level_dispose (GObject * obj);
static gboolean gst_level_set_caps (GstBaseTransform * trans, GstCaps * in,
GstCaps * out);
static gboolean gst_level_start (GstBaseTransform * trans);
static gboolean gst_level_event (GstBaseTransform * trans, GstEvent * event);
static GstFlowReturn gst_level_transform_ip (GstBaseTransform * trans,
GstBuffer * in);
@ -195,6 +197,8 @@ gst_level_class_init (GstLevelClass * klass)
GST_DEBUG_CATEGORY_INIT (level_debug, "level", 0, "Level calculation");
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_level_set_caps);
trans_class->start = GST_DEBUG_FUNCPTR (gst_level_start);
trans_class->event = GST_DEBUG_FUNCPTR (gst_level_event);
trans_class->transform_ip = GST_DEBUG_FUNCPTR (gst_level_transform_ip);
trans_class->passthrough_on_same_caps = TRUE;
}
@ -385,8 +389,6 @@ gst_level_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
GstStructure *structure;
int i;
filter->num_frames = 0;
structure = gst_caps_get_structure (in, 0);
filter->rate = structure_get_int (structure, "rate");
filter->width = structure_get_int (structure, "width");
@ -441,6 +443,46 @@ gst_level_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
return TRUE;
}
static gboolean
gst_level_start (GstBaseTransform * trans)
{
GstLevel *filter = GST_LEVEL (trans);
filter->num_frames = 0;
gst_segment_init (&filter->segment, GST_FORMAT_UNDEFINED);
return TRUE;
}
static gboolean
gst_level_event (GstBaseTransform * trans, GstEvent * event)
{
GstLevel *filter = GST_LEVEL (trans);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NEWSEGMENT:{
GstFormat format;
gdouble rate, arate;
gint64 start, stop, time;
gboolean update;
/* the newsegment values are used to clip the input samples
* and to convert the incomming timestamps to running time */
gst_event_parse_new_segment_full (event, &update, &rate, &arate, &format,
&start, &stop, &time);
/* now configure the values */
gst_segment_set_newsegment_full (&filter->segment, update,
rate, arate, format, start, stop, time);
break;
}
default:
break;
}
return TRUE;
}
static GstMessage *
gst_level_message_new (GstLevel * l, GstClockTime endtime)
{
@ -578,9 +620,9 @@ gst_level_transform_ip (GstBaseTransform * trans, GstBuffer * in)
GST_CLOCK_TIME_TO_FRAMES (filter->interval, filter->rate)) {
if (filter->message) {
GstMessage *m;
GstClockTime endtime;
endtime = GST_BUFFER_TIMESTAMP (in)
GstClockTime endtime =
gst_segment_to_running_time (&filter->segment, GST_FORMAT_TIME,
GST_BUFFER_TIMESTAMP (in))
+ GST_FRAMES_TO_CLOCK_TIME (num_frames, filter->rate);
m = gst_level_message_new (filter, endtime);

2
gst/level/gstlevel.h
View file

@ -78,6 +78,8 @@ struct _GstLevel {
gdouble *RMS_dB; /* RMS in dB to emit */
GstClockTime *decay_peak_age; /* age of last peak */
GstSegment segment;
void (*process)(gpointer, guint, guint, gdouble*, gdouble*);
};