mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-06-26 01:40:38 +00:00
Make caches plugable
Original commit message from CVS: Make caches plugable
This commit is contained in:
Wim Taymans
parent
9c90317f9f
commit
bf0c285d5f
335
gst/gstcache.c
335
gst/gstcache.c
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@ -22,6 +22,7 @@
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#include "gstlog.h"
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#include "gst_private.h"
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#include "gstregistry.h"
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#include "gstcache.h"
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@ -37,7 +38,7 @@ enum {
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};
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static void gst_cache_class_init (GstCacheClass *klass);
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static void gst_cache_init (GstCache *tc);
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static void gst_cache_init (GstCache *cache);
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#define CLASS(cache) GST_CACHE_CLASS (G_OBJECT_GET_CLASS (cache))
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@ -46,10 +47,10 @@ static guint gst_cache_signals[LAST_SIGNAL] = { 0 };
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GType
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gst_cache_get_type(void) {
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static GType tc_type = 0;
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static GType cache_type = 0;
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if (!tc_type) {
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static const GTypeInfo tc_info = {
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if (!cache_type) {
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static const GTypeInfo cache_info = {
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sizeof(GstCacheClass),
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NULL,
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NULL,
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@ -61,9 +62,9 @@ gst_cache_get_type(void) {
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(GInstanceInitFunc)gst_cache_init,
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NULL
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};
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tc_type = g_type_register_static(GST_TYPE_OBJECT, "GstCache", &tc_info, 0);
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cache_type = g_type_register_static(GST_TYPE_OBJECT, "GstCache", &cache_info, 0);
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}
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return tc_type;
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return cache_type;
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}
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static void
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@ -87,27 +88,27 @@ gst_cache_class_init (GstCacheClass *klass)
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static GstCacheGroup *
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gst_cache_group_new(guint groupnum)
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{
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GstCacheGroup *tcgroup = g_new(GstCacheGroup,1);
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GstCacheGroup *cachegroup = g_new(GstCacheGroup,1);
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tcgroup->groupnum = groupnum;
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tcgroup->entries = NULL;
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tcgroup->certainty = GST_CACHE_UNKNOWN;
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tcgroup->peergroup = -1;
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cachegroup->groupnum = groupnum;
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cachegroup->entries = NULL;
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cachegroup->certainty = GST_CACHE_UNKNOWN;
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cachegroup->peergroup = -1;
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GST_DEBUG(0, "created new cache group %d",groupnum);
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return tcgroup;
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return cachegroup;
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}
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static void
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gst_cache_init (GstCache *tc)
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gst_cache_init (GstCache *cache)
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{
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tc->curgroup = gst_cache_group_new(0);
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tc->maxgroup = 0;
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tc->groups = g_list_prepend(NULL, tc->curgroup);
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cache->curgroup = gst_cache_group_new(0);
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cache->maxgroup = 0;
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cache->groups = g_list_prepend(NULL, cache->curgroup);
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tc->writers = g_hash_table_new (NULL, NULL);
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tc->last_id = 0;
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cache->writers = g_hash_table_new (NULL, NULL);
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cache->last_id = 0;
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GST_DEBUG(0, "created new cache");
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}
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@ -122,30 +123,30 @@ gst_cache_init (GstCache *tc)
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GstCache *
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gst_cache_new()
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{
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GstCache *tc;
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GstCache *cache;
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tc = g_object_new (gst_cache_get_type (), NULL);
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cache = g_object_new (gst_cache_get_type (), NULL);
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return tc;
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return cache;
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}
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/**
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* gst_cache_get_group:
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* @tc: the cache to get the current group from
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* @cache: the cache to get the current group from
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*
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* Get the id of the current group.
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*
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* Returns: the id of the current group.
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*/
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gint
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gst_cache_get_group(GstCache *tc)
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gst_cache_get_group(GstCache *cache)
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{
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return tc->curgroup->groupnum;
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return cache->curgroup->groupnum;
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}
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/**
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* gst_cache_new_group:
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* @tc: the cache to create the new group in
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* @cache: the cache to create the new group in
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*
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* Create a new group for the given cache. It will be
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* set as the current group.
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@ -153,17 +154,17 @@ gst_cache_get_group(GstCache *tc)
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* Returns: the id of the newly created group.
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*/
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gint
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gst_cache_new_group(GstCache *tc)
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gst_cache_new_group(GstCache *cache)
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{
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tc->curgroup = gst_cache_group_new(++tc->maxgroup);
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tc->groups = g_list_append(tc->groups,tc->curgroup);
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GST_DEBUG(0, "created new group %d in cache",tc->maxgroup);
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return tc->maxgroup;
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cache->curgroup = gst_cache_group_new(++cache->maxgroup);
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cache->groups = g_list_append(cache->groups,cache->curgroup);
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GST_DEBUG(0, "created new group %d in cache",cache->maxgroup);
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return cache->maxgroup;
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}
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/**
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* gst_cache_set_group:
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* @tc: the cache to set the new group in
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* @cache: the cache to set the new group in
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* @groupnum: the groupnumber to set
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*
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* Set the current groupnumber to the given argument.
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@ -172,23 +173,23 @@ gst_cache_new_group(GstCache *tc)
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* did not exist.
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*/
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gboolean
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gst_cache_set_group(GstCache *tc, gint groupnum)
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gst_cache_set_group(GstCache *cache, gint groupnum)
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{
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GList *list;
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GstCacheGroup *tcgroup;
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GstCacheGroup *cachegroup;
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/* first check for null change */
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if (groupnum == tc->curgroup->groupnum)
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if (groupnum == cache->curgroup->groupnum)
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return TRUE;
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/* else search for the proper group */
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list = tc->groups;
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list = cache->groups;
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while (list) {
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tcgroup = (GstCacheGroup *)(list->data);
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cachegroup = (GstCacheGroup *)(list->data);
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list = g_list_next(list);
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if (tcgroup->groupnum == groupnum) {
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tc->curgroup = tcgroup;
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GST_DEBUG(0, "switched to cache group %d", tcgroup->groupnum);
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if (cachegroup->groupnum == groupnum) {
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cache->curgroup = cachegroup;
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GST_DEBUG(0, "swicachehed to cache group %d", cachegroup->groupnum);
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return TRUE;
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}
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}
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@ -200,35 +201,54 @@ gst_cache_set_group(GstCache *tc, gint groupnum)
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/**
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* gst_cache_set_certainty:
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* @tc: the cache to set the certainty on
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* @cache: the cache to set the certainty on
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* @certainty: the certainty to set
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*
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* Set the certainty of the given cache.
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*/
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void
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gst_cache_set_certainty(GstCache *tc, GstCacheCertainty certainty)
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gst_cache_set_certainty(GstCache *cache, GstCacheCertainty certainty)
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{
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tc->curgroup->certainty = certainty;
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cache->curgroup->certainty = certainty;
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}
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/**
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* gst_cache_get_certainty:
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* @tc: the cache to get the certainty of
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* @cache: the cache to get the certainty of
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*
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* Get the certainty of the given cache.
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*
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* Returns: the certainty of the cache.
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*/
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GstCacheCertainty
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gst_cache_get_certainty(GstCache *tc)
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gst_cache_get_certainty(GstCache *cache)
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{
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return tc->curgroup->certainty;
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return cache->curgroup->certainty;
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}
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void
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gst_cache_set_filter (GstCache *cache,
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GstCacheFilter filter, gpointer user_data)
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{
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g_return_if_fail (GST_IS_CACHE (cache));
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cache->filter = filter;
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cache->filter_user_data = user_data;
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}
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void
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gst_cache_set_resolver (GstCache *cache,
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GstCacheResolver resolver, gpointer user_data)
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{
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g_return_if_fail (GST_IS_CACHE (cache));
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cache->resolver = resolver;
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cache->resolver_user_data = user_data;
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}
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/**
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* gst_cache_add_format:
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* @tc: the cache to add the entry to
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* @cache: the cache to add the entry to
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* @id: the id of the cache writer
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* @format: the format to add to the cache
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*
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@ -239,12 +259,12 @@ gst_cache_get_certainty(GstCache *tc)
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* Returns: a pointer to the newly added entry in the cache.
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*/
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GstCacheEntry*
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gst_cache_add_format (GstCache *tc, gint id, GstFormat format)
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gst_cache_add_format (GstCache *cache, gint id, GstFormat format)
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{
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GstCacheEntry *entry;
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const GstFormatDefinition* def;
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g_return_val_if_fail (GST_IS_CACHE (tc), NULL);
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g_return_val_if_fail (GST_IS_CACHE (cache), NULL);
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g_return_val_if_fail (format != 0, NULL);
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entry = g_new0 (GstCacheEntry, 1);
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@ -254,40 +274,46 @@ gst_cache_add_format (GstCache *tc, gint id, GstFormat format)
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def = gst_format_get_details (format);
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entry->data.format.key = def->nick;
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g_signal_emit (G_OBJECT (tc), gst_cache_signals[ENTRY_ADDED], 0, entry);
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if (CLASS (cache)->add_entry)
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CLASS (cache)->add_entry (cache, entry);
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g_signal_emit (G_OBJECT (cache), gst_cache_signals[ENTRY_ADDED], 0, entry);
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return entry;
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}
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/**
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* gst_cache_add_id:
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* @tc: the cache to add the entry to
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* @cache: the cache to add the entry to
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* @id: the id of the cache writer
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* @description: the description of the cache writer
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*
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* Returns: a pointer to the newly added entry in the cache.
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*/
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GstCacheEntry*
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gst_cache_add_id (GstCache *tc, gint id, gchar *description)
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gst_cache_add_id (GstCache *cache, gint id, gchar *description)
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{
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GstCacheEntry *entry;
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g_return_val_if_fail (GST_IS_CACHE (tc), NULL);
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g_return_val_if_fail (GST_IS_CACHE (cache), NULL);
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g_return_val_if_fail (description != NULL, NULL);
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entry = g_new0 (GstCacheEntry, 1);
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entry->type = GST_CACHE_ENTRY_ID;
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entry->id = id;
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entry->data.id.description = description;
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if (CLASS (cache)->add_entry)
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CLASS (cache)->add_entry (cache, entry);
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g_signal_emit (G_OBJECT (tc), gst_cache_signals[ENTRY_ADDED], 0, entry);
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g_signal_emit (G_OBJECT (cache), gst_cache_signals[ENTRY_ADDED], 0, entry);
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return entry;
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}
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/**
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* gst_cache_get_writer_id:
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* @tc: the cache to get a unique write id for
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* @cache: the cache to get a unique write id for
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* @writer: the GstObject to allocate an id for
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* @id: a pointer to a gint to hold the id
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*
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@ -301,35 +327,35 @@ gst_cache_add_id (GstCache *tc, gint id, gchar *description)
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* Returns: TRUE if the writer would be mapped to an id.
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*/
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gboolean
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gst_cache_get_writer_id (GstCache *tc, GstObject *writer, gint *id)
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gst_cache_get_writer_id (GstCache *cache, GstObject *writer, gint *id)
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{
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gchar *writer_string = NULL;
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gboolean success = FALSE;
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GstCacheEntry *entry;
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g_return_val_if_fail (GST_IS_CACHE (tc), FALSE);
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g_return_val_if_fail (GST_IS_CACHE (cache), FALSE);
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g_return_val_if_fail (GST_IS_OBJECT (writer), FALSE);
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g_return_val_if_fail (id, FALSE);
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*id = -1;
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entry = g_hash_table_lookup (tc->writers, writer);
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entry = g_hash_table_lookup (cache->writers, writer);
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if (entry == NULL) {
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*id = tc->last_id;
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*id = cache->last_id;
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writer_string = gst_object_get_path_string (writer);
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gst_cache_add_id (tc, *id, writer_string);
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tc->last_id++;
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g_hash_table_insert (tc->writers, writer, entry);
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gst_cache_add_id (cache, *id, writer_string);
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cache->last_id++;
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g_hash_table_insert (cache->writers, writer, entry);
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}
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if (CLASS (tc)->resolve_writer) {
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success = CLASS (tc)->resolve_writer (tc, writer, id, &writer_string);
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if (CLASS (cache)->resolve_writer) {
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success = CLASS (cache)->resolve_writer (cache, writer, id, &writer_string);
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}
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if (tc->resolver) {
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success = tc->resolver (tc, writer, id, &writer_string, tc->user_data);
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if (cache->resolver) {
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success = cache->resolver (cache, writer, id, &writer_string, cache->resolver_user_data);
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}
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return success;
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@ -337,7 +363,7 @@ gst_cache_get_writer_id (GstCache *tc, GstObject *writer, gint *id)
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/**
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* gst_cache_add_association:
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* @tc: the cache to add the entry to
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* @cache: the cache to add the entry to
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* @id: the id of the cache writer
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* @format: the format of the value
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* @value: the value
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@ -348,7 +374,7 @@ gst_cache_get_writer_id (GstCache *tc, GstObject *writer, gint *id)
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* Returns: a pointer to the newly added entry in the cache.
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*/
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GstCacheEntry*
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gst_cache_add_association (GstCache *tc, gint id, GstAssocFlags flags,
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gst_cache_add_association (GstCache *cache, gint id, GstAssocFlags flags,
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GstFormat format, gint64 value, ...)
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{
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va_list args;
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@ -359,7 +385,7 @@ gst_cache_add_association (GstCache *tc, gint id, GstAssocFlags flags,
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GstFormat cur_format;
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gint64 dummy;
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g_return_val_if_fail (GST_IS_CACHE (tc), NULL);
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g_return_val_if_fail (GST_IS_CACHE (cache), NULL);
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g_return_val_if_fail (format != 0, NULL);
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va_start (args, value);
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@ -399,10 +425,177 @@ gst_cache_add_association (GstCache *tc, gint id, GstAssocFlags flags,
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}
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va_end (args);
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if (CLASS (tc)->add_entry)
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CLASS (tc)->add_entry (tc, entry);
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if (CLASS (cache)->add_entry)
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CLASS (cache)->add_entry (cache, entry);
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g_signal_emit (G_OBJECT (tc), gst_cache_signals[ENTRY_ADDED], 0, entry);
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g_signal_emit (G_OBJECT (cache), gst_cache_signals[ENTRY_ADDED], 0, entry);
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return entry;
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}
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static void gst_cache_factory_class_init (GstCacheFactoryClass *klass);
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static void gst_cache_factory_init (GstCacheFactory *factory);
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static GstPluginFeatureClass *factory_parent_class = NULL;
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/* static guint gst_cache_factory_signals[LAST_SIGNAL] = { 0 }; */
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GType
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gst_cache_factory_get_type (void)
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{
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static GType cachefactory_type = 0;
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if (!cachefactory_type) {
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static const GTypeInfo cachefactory_info = {
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sizeof (GstCacheFactoryClass),
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NULL,
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NULL,
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(GClassInitFunc) gst_cache_factory_class_init,
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NULL,
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NULL,
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sizeof(GstCacheFactory),
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0,
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(GInstanceInitFunc) gst_cache_factory_init,
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NULL
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};
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cachefactory_type = g_type_register_static (GST_TYPE_PLUGIN_FEATURE,
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"GstCacheFactory", &cachefactory_info, 0);
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}
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return cachefactory_type;
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}
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static void
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gst_cache_factory_class_init (GstCacheFactoryClass *klass)
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{
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GObjectClass *gobject_class;
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GstObjectClass *gstobject_class;
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GstPluginFeatureClass *gstpluginfeature_class;
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gobject_class = (GObjectClass*)klass;
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gstobject_class = (GstObjectClass*)klass;
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gstpluginfeature_class = (GstPluginFeatureClass*) klass;
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factory_parent_class = g_type_class_ref (GST_TYPE_PLUGIN_FEATURE);
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}
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static void
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gst_cache_factory_init (GstCacheFactory *factory)
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{
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}
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/**
|
||||
* gst_cache_factory_new:
|
||||
* @name: name of cachefactory to create
|
||||
* @longdesc: long description of cachefactory to create
|
||||
* @type: the GType of the GstCache element of this factory
|
||||
*
|
||||
* Create a new cachefactory with the given parameters
|
||||
*
|
||||
* Returns: a new #GstCacheFactory.
|
||||
*/
|
||||
GstCacheFactory*
|
||||
gst_cache_factory_new (const gchar *name, const gchar *longdesc, GType type)
|
||||
{
|
||||
GstCacheFactory *factory;
|
||||
|
||||
g_return_val_if_fail(name != NULL, NULL);
|
||||
factory = gst_cache_factory_find (name);
|
||||
if (!factory) {
|
||||
factory = GST_CACHE_FACTORY (g_object_new (GST_TYPE_CACHE_FACTORY, NULL));
|
||||
}
|
||||
|
||||
GST_PLUGIN_FEATURE_NAME (factory) = g_strdup (name);
|
||||
if (factory->longdesc)
|
||||
g_free (factory->longdesc);
|
||||
factory->longdesc = g_strdup (longdesc);
|
||||
factory->type = type;
|
||||
|
||||
return factory;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_cache_factory_destroy:
|
||||
* @factory: factory to destroy
|
||||
*
|
||||
* Removes the cache from the global list.
|
||||
*/
|
||||
void
|
||||
gst_cache_factory_destroy (GstCacheFactory *factory)
|
||||
{
|
||||
g_return_if_fail (factory != NULL);
|
||||
|
||||
/* we don't free the struct bacause someone might have a handle to it.. */
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_cache_factory_find:
|
||||
* @name: name of cachefactory to find
|
||||
*
|
||||
* Search for an cachefactory of the given name.
|
||||
*
|
||||
* Returns: #GstCacheFactory if found, NULL otherwise
|
||||
*/
|
||||
GstCacheFactory*
|
||||
gst_cache_factory_find (const gchar *name)
|
||||
{
|
||||
GstPluginFeature *feature;
|
||||
|
||||
g_return_val_if_fail (name != NULL, NULL);
|
||||
|
||||
GST_DEBUG (0,"gstcache: find \"%s\"", name);
|
||||
|
||||
feature = gst_registry_pool_find_feature (name, GST_TYPE_CACHE_FACTORY);
|
||||
if (feature)
|
||||
return GST_CACHE_FACTORY (feature);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_cache_factory_create:
|
||||
* @factory: the factory used to create the instance
|
||||
*
|
||||
* Create a new #GstCache instance from the
|
||||
* given cachefactory.
|
||||
*
|
||||
* Returns: A new #GstCache instance.
|
||||
*/
|
||||
GstCache*
|
||||
gst_cache_factory_create (GstCacheFactory *factory)
|
||||
{
|
||||
GstCache *new = NULL;
|
||||
|
||||
g_return_val_if_fail (factory != NULL, NULL);
|
||||
|
||||
if (gst_plugin_feature_ensure_loaded (GST_PLUGIN_FEATURE (factory))) {
|
||||
g_return_val_if_fail (factory->type != 0, NULL);
|
||||
|
||||
new = GST_CACHE (g_object_new(factory->type,NULL));
|
||||
}
|
||||
|
||||
return new;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_cache_factory_make:
|
||||
* @name: the name of the factory used to create the instance
|
||||
*
|
||||
* Create a new #GstCache instance from the
|
||||
* cachefactory with the given name.
|
||||
*
|
||||
* Returns: A new #GstCache instance.
|
||||
*/
|
||||
GstCache*
|
||||
gst_cache_factory_make (const gchar *name)
|
||||
{
|
||||
GstCacheFactory *factory;
|
||||
|
||||
g_return_val_if_fail (name != NULL, NULL);
|
||||
|
||||
factory = gst_cache_factory_find (name);
|
||||
|
||||
if (factory == NULL)
|
||||
return NULL;
|
||||
|
||||
return gst_cache_factory_create (factory);
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue