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authorChristian Schaller <uraeus@gnome.org>2005-05-06 11:41:28 +0000
committerChristian Schaller <uraeus@gnome.org>2005-05-06 11:41:28 +0000
commit086b25d40a8fc3606d70c32af7f6af178e2d804d (patch)
tree2b138bca28d921d8798599f2c745d8014ec631ba /gst-libs/gst/audio/audioclock.c
parent4cb81e7ecbdc6376e5c676dcffa11758434acd1e (diff)
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remove gst-libs from gst-plugins module as it is in gst-plugins-base now
Original commit message from CVS: remove gst-libs from gst-plugins module as it is in gst-plugins-base now
Diffstat (limited to 'gst-libs/gst/audio/audioclock.c')
-rw-r--r--gst-libs/gst/audio/audioclock.c205
1 files changed, 0 insertions, 205 deletions
diff --git a/gst-libs/gst/audio/audioclock.c b/gst-libs/gst/audio/audioclock.c
deleted file mode 100644
index 65d2694f..00000000
--- a/gst-libs/gst/audio/audioclock.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/* GStreamer
- * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
- * 2000 Wim Taymans <wtay@chello.be>
- *
- * audioclock.c: Clock for use by audio plugins
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "audioclock.h"
-
-static void gst_audio_clock_class_init (GstAudioClockClass * klass);
-static void gst_audio_clock_init (GstAudioClock * clock);
-
-static GstClockTime gst_audio_clock_get_internal_time (GstClock * clock);
-static GstClockEntryStatus gst_audio_clock_id_wait_async (GstClock * clock,
- GstClockEntry * entry);
-static void gst_audio_clock_id_unschedule (GstClock * clock,
- GstClockEntry * entry);
-
-static GstSystemClockClass *parent_class = NULL;
-
-/* static guint gst_audio_clock_signals[LAST_SIGNAL] = { 0 }; */
-
-GType
-gst_audio_clock_get_type (void)
-{
- static GType clock_type = 0;
-
- if (!clock_type) {
- static const GTypeInfo clock_info = {
- sizeof (GstAudioClockClass),
- NULL,
- NULL,
- (GClassInitFunc) gst_audio_clock_class_init,
- NULL,
- NULL,
- sizeof (GstAudioClock),
- 4,
- (GInstanceInitFunc) gst_audio_clock_init,
- NULL
- };
-
- clock_type = g_type_register_static (GST_TYPE_SYSTEM_CLOCK, "GstAudioClock",
- &clock_info, 0);
- }
- return clock_type;
-}
-
-
-static void
-gst_audio_clock_class_init (GstAudioClockClass * klass)
-{
- GObjectClass *gobject_class;
- GstObjectClass *gstobject_class;
- GstClockClass *gstclock_class;
-
- gobject_class = (GObjectClass *) klass;
- gstobject_class = (GstObjectClass *) klass;
- gstclock_class = (GstClockClass *) klass;
-
- parent_class = g_type_class_ref (GST_TYPE_SYSTEM_CLOCK);
-
- gstclock_class->get_internal_time = gst_audio_clock_get_internal_time;
- gstclock_class->wait_async = gst_audio_clock_id_wait_async;
- gstclock_class->unschedule = gst_audio_clock_id_unschedule;
-}
-
-static void
-gst_audio_clock_init (GstAudioClock * clock)
-{
- gst_object_set_name (GST_OBJECT (clock), "GstAudioClock");
-
- clock->prev1 = 0;
- clock->prev2 = 0;
-}
-
-GstClock *
-gst_audio_clock_new (gchar * name, GstAudioClockGetTimeFunc func,
- gpointer user_data)
-{
- GstAudioClock *aclock =
- GST_AUDIO_CLOCK (g_object_new (GST_TYPE_AUDIO_CLOCK, NULL));
-
- aclock->func = func;
- aclock->user_data = user_data;
- aclock->adjust = 0;
-
- return (GstClock *) aclock;
-}
-
-void
-gst_audio_clock_set_active (GstAudioClock * aclock, gboolean active)
-{
- GstClockTime audio_time, system_time;
- GstClock *clock;
- GTimeVal timeval;
-
- g_return_if_fail (GST_IS_AUDIO_CLOCK (aclock));
- clock = GST_CLOCK (aclock);
-
- if (active == aclock->active) {
- /* Nothing to do. */
- return;
- }
-
- audio_time = aclock->func (clock, aclock->user_data);
-
- g_get_current_time (&timeval);
- system_time = GST_TIMEVAL_TO_TIME (timeval);
-
- /* Set the new adjust value in such a way that there's no abrupt
- discontinuity, i.e. if gst_audio_clock_get_internal_time is
- invoked right before and right after (de)activating the clock,
- the values returned will be close to each other, and the second
- value will be greater than or equal than the first. */
- if (active) {
- aclock->adjust = aclock->adjust + system_time - audio_time;
- } else {
- aclock->adjust = aclock->adjust + audio_time - system_time;
- }
-
- aclock->active = active;
-}
-
-static GstClockTime
-gst_audio_clock_get_internal_time (GstClock * clock)
-{
- GstAudioClock *aclock = GST_AUDIO_CLOCK (clock);
-
- if (aclock->active) {
- return aclock->func (clock, aclock->user_data) + aclock->adjust;
- } else {
- GTimeVal timeval;
-
- g_get_current_time (&timeval);
- return GST_TIMEVAL_TO_TIME (timeval) + aclock->adjust;
- }
-}
-
-void
-gst_audio_clock_update_time (GstAudioClock * aclock, GstClockTime time)
-{
- /* I don't know of a purpose in updating these; perhaps they can be removed */
- aclock->prev2 = aclock->prev1;
- aclock->prev1 = time;
-
- /* FIXME: the wait_async subsystem should be made threadsafe, but I don't want
- * to lock and unlock a mutex on every iteration... */
- while (aclock->async_entries) {
- GstClockEntry *entry = (GstClockEntry *) aclock->async_entries->data;
-
- if (entry->time > time)
- break;
-
- entry->func ((GstClock *) aclock, time, entry, entry->user_data);
-
- aclock->async_entries = g_slist_delete_link (aclock->async_entries,
- aclock->async_entries);
- /* do I need to free the entry? */
- }
-}
-
-static gint
-compare_clock_entries (GstClockEntry * entry1, GstClockEntry * entry2)
-{
- return entry1->time - entry2->time;
-}
-
-static GstClockEntryStatus
-gst_audio_clock_id_wait_async (GstClock * clock, GstClockEntry * entry)
-{
- GstAudioClock *aclock = (GstAudioClock *) clock;
-
- aclock->async_entries = g_slist_insert_sorted (aclock->async_entries,
- entry, (GCompareFunc) compare_clock_entries);
-
- /* is this the proper return val? */
- return GST_CLOCK_EARLY;
-}
-
-static void
-gst_audio_clock_id_unschedule (GstClock * clock, GstClockEntry * entry)
-{
- GstAudioClock *aclock = (GstAudioClock *) clock;
-
- aclock->async_entries = g_slist_remove (aclock->async_entries, entry);
-}