Removed old timecache

Original commit message from CVS:
Removed old timecache

diff --git a/gst/gsttimecache.c b/gst/gsttimecache.c
deleted file mode 100644 (file)
index 407f68c..0000000
--- a/gst/gsttimecache.c
+++ /dev/null
@@ -1,327 +0,0 @@
-/* GStreamer
- * Copyright (C) 2001 RidgeRun (http://www.ridgerun.com/)
- * Written by Erik Walthinsen <omega@ridgerun.com>
- *
- * gsttimecache.c: Cache for location<>time mapping
- *
- * 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.
- */
-
-#include "gst_private.h"
-
-#include "gsttimecache.h"
-
-
-static void            gst_time_cache_class_init       (GstTimeCacheClass *klass);
-static void            gst_time_cache_init             (GstTimeCache *tc);
-
-static GstObject *timecache_parent_class = NULL;
-
-GType
-gst_time_cache_get_type(void) {
-  static GType tc_type = 0;
-
-  if (!tc_type) {
-    static const GTypeInfo tc_info = {
-      sizeof(GstTimeCacheClass),
-      NULL,
-      NULL,
-      (GClassInitFunc)gst_time_cache_class_init,
-      NULL,
-      NULL,
-      sizeof(GstTimeCache),
-      1,
-      (GInstanceInitFunc)gst_time_cache_init,
-      NULL
-    };
-    tc_type = g_type_register_static(GST_TYPE_OBJECT, "GstTimeCache", &tc_info, 0);
-  }
-  return tc_type;
-}
-
-static void
-gst_time_cache_class_init (GstTimeCacheClass *klass)
-{
-  timecache_parent_class = g_type_class_ref(GST_TYPE_OBJECT);
-}
-
-static GstTimeCacheGroup *
-gst_time_cache_group_new(guint groupnum)
-{
-  GstTimeCacheGroup *tcgroup = g_new(GstTimeCacheGroup,1);
-
-  tcgroup->groupnum = groupnum;
-  tcgroup->entries = NULL;
-  tcgroup->certainty = GST_TIME_CACHE_UNKNOWN;
-  tcgroup->peergroup = -1;
-  tcgroup->mintimestamp = 0LL;
-  tcgroup->maxtimestamp = 0LL;
-  tcgroup->minlocation = 0LL;
-  tcgroup->maxlocation = 0LL;
-
-  GST_DEBUG(0, "created new timecache group %d",groupnum);
-
-  return tcgroup;
-}
-
-static void
-gst_time_cache_init (GstTimeCache *tc)
-{
-  tc->curgroup = gst_time_cache_group_new(0);
-  tc->maxgroup = 0;
-  tc->groups = g_list_prepend(NULL, tc->curgroup);
-  GST_DEBUG(0, "created new timecache");
-}
-
-/**
- * gst_time_cache_new:
- *
- * Create a new tilecache object
- *
- * Returns: a new timecache object
- */
-GstTimeCache *
-gst_time_cache_new()
-{
-  GstTimeCache *tc;
-
-  tc = g_object_new (gst_time_cache_get_type (), NULL);
-
-  return tc;
-}
-
-/**
- * gst_time_cache_get_group:
- * @tc: the timecache to get the current group from
- *
- * Get the id of the current group.
- *
- * Returns: the id of the current group.
- */
-gint
-gst_time_cache_get_group(GstTimeCache *tc)
-{
-  return tc->curgroup->groupnum;
-}
-
-/**
- * gst_time_cache_new_group:
- * @tc: the timecache to create the new group in
- *
- * Create a new group for the given timecache. It will be
- * set as the current group.
- *
- * Returns: the id of the newly created group.
- */
-gint
-gst_time_cache_new_group(GstTimeCache *tc)
-{
-  tc->curgroup = gst_time_cache_group_new(++tc->maxgroup);
-  tc->groups = g_list_append(tc->groups,tc->curgroup);
-  GST_DEBUG(0, "created new group %d in timecache",tc->maxgroup);
-  return tc->maxgroup;
-}
-
-/**
- * gst_time_cache_set_group:
- * @tc: the timecache to set the new group in
- * @groupnum: the groupnumber to set
- *
- * Set the current groupnumber to the given argument.
- *
- * Returns: TRUE if the operation succeeded, FALSE if the group
- * did not exist.
- */
-gboolean
-gst_time_cache_set_group(GstTimeCache *tc, gint groupnum)
-{
-  GList *list;
-  GstTimeCacheGroup *tcgroup;
-
-  /* first check for null change */
-  if (groupnum == tc->curgroup->groupnum)
-    return TRUE;
-
-  /* else search for the proper group */
-  list = tc->groups;
-  while (list) {
-    tcgroup = (GstTimeCacheGroup *)(list->data);
-    list = g_list_next(list);
-    if (tcgroup->groupnum == groupnum) {
-      tc->curgroup = tcgroup;
-      GST_DEBUG(0, "switched to timecache group %d", tcgroup->groupnum);
-      return TRUE;
-    }
-  }
-
-  /* couldn't find the group in question */
-  GST_DEBUG(0, "couldn't find timecache group %d",groupnum);
-  return FALSE;
-}
-
-/**
- * gst_time_cache_set_certainty:
- * @tc: the timecache to set the certainty on
- * @certainty: the certainty to set
- *
- * Set the certainty of the given timecache.
- */
-void
-gst_time_cache_set_certainty(GstTimeCache *tc, GstTimeCacheCertainty certainty)
-{
-  tc->curgroup->certainty = certainty;
-}
-
-/**
- * gst_time_cache_get_certainty:
- * @tc: the timecache to get the certainty of
- *
- * Get the certainty of the given timecache.
- *
- * Returns: the certainty of the timecache.
- */
-GstTimeCacheCertainty
-gst_time_cache_get_certainty(GstTimeCache *tc)
-{
-  return tc->curgroup->certainty;
-}
-
-/**
- * gst_time_cache_add_entry:
- * @tc: the timecache to add the entry to
- * @location: the location
- * @timestamp: the timestamp
- *
- * Associate the given timestamp with the given location in the 
- * timecache.
- */
-void
-gst_time_cache_add_entry (GstTimeCache *tc, guint64 location, gint64 timestamp)
-{
-  GstTimeCacheEntry *entry = g_new(GstTimeCacheEntry,1);
-
-  entry->location = location;
-  entry->timestamp = timestamp;
-
-  /* add the entry to the list */
-  tc->curgroup->entries = g_list_prepend(tc->curgroup->entries,entry);
-
-  /* update the bounds */
-  if (tc->curgroup->mintimestamp > timestamp) tc->curgroup->mintimestamp = timestamp;
-  if (tc->curgroup->maxtimestamp < timestamp) tc->curgroup->maxtimestamp = timestamp;
-  if (tc->curgroup->minlocation > location) tc->curgroup->minlocation = location;
-  if (tc->curgroup->maxlocation < location) tc->curgroup->maxlocation = location;
-
-  GST_DEBUG(0, "added entry to timecache group %d",tc->curgroup->groupnum);
-}
-
-static gint 
-_gst_time_cache_find_location (const GstTimeCacheEntry *entry, const guint64 *location) 
-{
-  if (*location < entry->location) return -1;
-  else if (*location > entry->location) return 1;
-  else return 0;
-}
-
-/**
- * gst_time_cache_find_location:
- * @tc: the timecache to find the timestamp in
- * @location: the location
- * @timestamp: the timestamp 
- *
- * Look up the associated timestamp for the given location in the 
- * timecache.
- *
- * Returns: TRUE if the location was found in the timecache.
- */
-gboolean
-gst_time_cache_find_location (GstTimeCache *tc, guint64 location, gint64 *timestamp)
-{
-  GList *list;
-  GstTimeCacheEntry *entry = NULL;
-
-  /* first check to see if it's in the current group */
-  if ((tc->curgroup->minlocation <= location) && (location <= tc->curgroup->maxlocation)) {
-    GST_DEBUG(0, "location %Ld is in group %d",location,tc->curgroup->groupnum);
-    list = g_list_find_custom(tc->curgroup->entries,&location,(GCompareFunc)_gst_time_cache_find_location);
-    if (list) entry = (GstTimeCacheEntry *)(list->data);
-    if (entry) *timestamp = entry->timestamp;
-    return TRUE;
-  }
-
-  /* TODO: search other groups */
-
-  /* failure */
-  return FALSE;
-}
-
-static gint 
-_gst_time_cache_find_timestamp (const GstTimeCacheEntry *entry, const gint64 *timestamp) 
-{
-  if (*timestamp < entry->timestamp) return -1;
-  else if (*timestamp > entry->timestamp) return 1;
-  else return 0;
-}
-
-/**
- * gst_time_cache_find_timestamp:
- * @tc: the timecache to find the location in
- * @location: the location
- * @timestamp: the timestamp 
- *
- * Look up the associated location for the given timestamp in the 
- * timecache.
- *
- * Returns: TRUE if the timestamp was found in the timecache.
- */
-gboolean
-gst_time_cache_find_timestamp (GstTimeCache *tc, gint64 timestamp, guint64 *location)
-{
-  GList *entries, *groups;
-  GstTimeCacheEntry *entry = NULL;
-  GstTimeCacheGroup *group;
-
-  /* first check to see if it's in the current group */
-  if ((tc->curgroup->mintimestamp <= timestamp) && (timestamp <= tc->curgroup->maxtimestamp)) {
-    GST_DEBUG(0, "timestamp %Ld may be in group %d",timestamp,tc->curgroup->groupnum);
-    entries = g_list_find_custom(tc->curgroup->entries,&timestamp,(GCompareFunc)_gst_time_cache_find_timestamp);
-    if (entries) entry = (GstTimeCacheEntry *)(entries->data);
-    if (entry) {
-      *location = entry->location;
-      return TRUE;
-    }
-  }
-
-  groups = tc->groups;
-  while (groups) {
-    group = (GstTimeCacheGroup *)(groups->data);
-    groups = g_list_next(groups);
-
-    if ((group->mintimestamp <= timestamp) && (timestamp <= group->maxtimestamp)) {
-      GST_DEBUG(0, "timestamp %Ld may be in group %d",timestamp,group->groupnum);
-      entries = g_list_find_custom(group->entries,&timestamp,(GCompareFunc)_gst_time_cache_find_timestamp);
-      if (entries) entry = (GstTimeCacheEntry *)(entries->data);
-      if (entry) {
-        *location = entry->location;
-        return TRUE;
-      }
-    }
-  }
-
-  /* failure */
-  return FALSE;
-}
-

diff --git a/gst/gsttimecache.h b/gst/gsttimecache.h
deleted file mode 100644 (file)
index eb66394..0000000
--- a/gst/gsttimecache.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/* GStreamer
- * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
- *                    2000 Wim Taymans <wim.taymans@chello.be>
- *
- * gsttimecache.h: Header for GstTimeCache
- *
- * 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.
- */
-
-#ifndef __GST_TIME_CACHE_H__
-#define __GST_TIME_CACHE_H__
-
-#include <gst/gstobject.h>
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_TIME_CACHE            (gst_time_cache_get_type ())
-#define GST_TIME_CACHE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TIME_CACHE, GstTimeCache))
-#define GST_TIME_CACHE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TIME_CACHE, GstTimeCacheClass))
-#define GST_IS_TIME_CACHE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TIME_CACHE))
-#define GST_IS_TIME_CACHE_CLASS(obj)   (GST_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TIME_CACHE))
-
-typedef struct _GstTimeCacheEntry GstTimeCacheEntry;
-typedef struct _GstTimeCacheGroup GstTimeCacheGroup;
-typedef struct _GstTimeCache GstTimeCache;
-typedef struct _GstTimeCacheClass GstTimeCacheClass;
-
-typedef enum {
-  GST_TIME_CACHE_UNKNOWN,
-  GST_TIME_CACHE_CERTAIN,
-  GST_TIME_CACHE_FUZZY_LOCATION,
-  GST_TIME_CACHE_FUZZY_TIMESTAMP,
-  GST_TIME_CACHE_FUZZY
-} GstTimeCacheCertainty;
-
-struct _GstTimeCacheEntry {
-  guint64 location;
-  gint64 timestamp;
-};
-
-struct _GstTimeCacheGroup {
-  /* unique ID of group in cache */
-  gint groupnum;
-
-  /* list of entries */
-  GList *entries;
-
-  /* the certainty level of the group */
-  GstTimeCacheCertainty certainty;
-
-  /* peer group that contains more certain entries */
-  gint peergroup;
-
-  /* range variables */
-  gint64 mintimestamp,maxtimestamp;
-  guint64 minlocation,maxlocation;
-};
-
-struct _GstTimeCacheClass {
-  GstObjectClass parent_class;
-};
-
-struct _GstTimeCache {
-  GstObject            object;
-
-  GList                        *groups;
-  GstTimeCacheGroup    *curgroup;
-  gint                 maxgroup;
-};
-
-GType                  gst_time_cache_get_type         (void);
-GstTimeCache*          gst_time_cache_new              (void);
-
-gint                   gst_time_cache_get_group        (GstTimeCache *tc);
-gint                   gst_time_cache_new_group        (GstTimeCache *tc);
-gboolean               gst_time_cache_set_group        (GstTimeCache *tc, gint groupnum);
-
-void                   gst_time_cache_set_certainty    (GstTimeCache *tc, GstTimeCacheCertainty certainty);
-GstTimeCacheCertainty  gst_time_cache_get_certainty    (GstTimeCache *tc);
-
-void                   gst_time_cache_add_entry        (GstTimeCache *tc, guint64 location, gint64 timestamp);
-
-gboolean               gst_time_cache_find_location    (GstTimeCache *tc, guint64 location, gint64 *timestamp);
-gboolean               gst_time_cache_find_timestamp   (GstTimeCache *tc, gint64 timestamp, guint64 *location);
-
-
-G_END_DECLS
-
-#endif /* __GST_TIME_CACHE_H__ */