diff options
Diffstat (limited to 'pjmedia/src/pjmedia/codec.c')
| -rw-r--r-- | pjmedia/src/pjmedia/codec.c | 203 |
1 files changed, 112 insertions, 91 deletions
diff --git a/pjmedia/src/pjmedia/codec.c b/pjmedia/src/pjmedia/codec.c index d64ac059..c1e12f91 100644 --- a/pjmedia/src/pjmedia/codec.c +++ b/pjmedia/src/pjmedia/codec.c @@ -1,91 +1,112 @@ -/* $Id$ - * - */ -#include <pjmedia/codec.h> -#include <pj/pool.h> -#include <pj/string.h> -#include <pj/log.h> - -#define THIS_FILE "codec.c" - -static void enum_all_codecs (pj_codec_mgr *cm) -{ - pj_codec_factory *cf; - - cf = cm->factory_list.next; - cm->codec_cnt = 0; - while (cf != &cm->factory_list) { - pj_codec_id temp[PJ_CODEC_MGR_MAX_CODECS]; - int i, cnt; - - cnt = cf->op->enum_codecs (cf, PJ_CODEC_MGR_MAX_CODECS, temp); - if (cnt > PJ_CODEC_MGR_MAX_CODECS) { - pj_assert(0); - PJ_LOG(4, (THIS_FILE, "Too many codecs reported by factory")); - cnt = PJ_CODEC_MGR_MAX_CODECS; - } - - for (i=0; i<cnt && cm->codec_cnt < PJ_CODEC_MGR_MAX_CODECS; ++i) { - cm->codecs[cm->codec_cnt++] = temp[i]; - } - - cf = cf->next; - } -} - -PJ_DEF(pj_status_t) pj_codec_mgr_init (pj_codec_mgr *mgr) -{ - pj_list_init (&mgr->factory_list); - mgr->codec_cnt = 0; - return 0; -} - -PJ_DEF(pj_status_t) pj_codec_mgr_register_factory (pj_codec_mgr *mgr, - pj_codec_factory *factory) -{ - pj_list_insert_before (&mgr->factory_list, factory); - enum_all_codecs (mgr); - return 0; -} - -PJ_DEF(void) pj_codec_mgr_unregister_factory (pj_codec_mgr *mgr, pj_codec_factory *factory) -{ - PJ_UNUSED_ARG(mgr) - pj_list_erase(factory); - enum_all_codecs (mgr); -} - -PJ_DEF(unsigned) -pj_codec_mgr_enum_codecs (pj_codec_mgr *mgr, unsigned count, const pj_codec_id *codecs[]) -{ - unsigned i; - - if (count > mgr->codec_cnt) - count = mgr->codec_cnt; - - for (i=0; i<count; ++i) - codecs[i] = &mgr->codecs[i]; - - return mgr->codec_cnt; -} - -PJ_DEF(pj_codec*) pj_codec_mgr_alloc_codec (pj_codec_mgr *mgr, const struct pj_codec_id *id) -{ - pj_codec_factory *factory = mgr->factory_list.next; - while (factory != &mgr->factory_list) { - if ( (*factory->op->match_id)(factory, id) == 0 ) { - pj_codec *codec = (*factory->op->alloc_codec)(factory, id); - if (codec != NULL) - return codec; - } - factory = factory->next; - } - return NULL; -} - -PJ_DEF(void) pj_codec_mgr_dealloc_codec (pj_codec_mgr *mgr, pj_codec *codec) -{ - PJ_UNUSED_ARG(mgr) - (*codec->factory->op->dealloc_codec)(codec->factory, codec); -} - +/* $Id$
+ *
+ */
+/*
+ * PJMEDIA - Multimedia over IP Stack
+ * (C)2003-2005 Benny Prijono <bennylp@bulukucing.org>
+ *
+ * Author:
+ * Benny Prijono <bennylp@bulukucing.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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 <pjmedia/codec.h>
+#include <pj/pool.h>
+#include <pj/string.h>
+#include <pj/log.h>
+
+#define THIS_FILE "codec.c"
+
+static void enum_all_codecs (pj_codec_mgr *cm)
+{
+ pj_codec_factory *cf;
+
+ cf = cm->factory_list.next;
+ cm->codec_cnt = 0;
+ while (cf != &cm->factory_list) {
+ pj_codec_id temp[PJ_CODEC_MGR_MAX_CODECS];
+ int i, cnt;
+
+ cnt = cf->op->enum_codecs (cf, PJ_CODEC_MGR_MAX_CODECS, temp);
+ if (cnt > PJ_CODEC_MGR_MAX_CODECS) {
+ pj_assert(0);
+ PJ_LOG(4, (THIS_FILE, "Too many codecs reported by factory"));
+ cnt = PJ_CODEC_MGR_MAX_CODECS;
+ }
+
+ for (i=0; i<cnt && cm->codec_cnt < PJ_CODEC_MGR_MAX_CODECS; ++i) {
+ cm->codecs[cm->codec_cnt++] = temp[i];
+ }
+
+ cf = cf->next;
+ }
+}
+
+PJ_DEF(pj_status_t) pj_codec_mgr_init (pj_codec_mgr *mgr)
+{
+ pj_list_init (&mgr->factory_list);
+ mgr->codec_cnt = 0;
+ return 0;
+}
+
+PJ_DEF(pj_status_t) pj_codec_mgr_register_factory (pj_codec_mgr *mgr,
+ pj_codec_factory *factory)
+{
+ pj_list_insert_before (&mgr->factory_list, factory);
+ enum_all_codecs (mgr);
+ return 0;
+}
+
+PJ_DEF(void) pj_codec_mgr_unregister_factory (pj_codec_mgr *mgr, pj_codec_factory *factory)
+{
+ PJ_UNUSED_ARG(mgr)
+ pj_list_erase(factory);
+ enum_all_codecs (mgr);
+}
+
+PJ_DEF(unsigned)
+pj_codec_mgr_enum_codecs (pj_codec_mgr *mgr, unsigned count, const pj_codec_id *codecs[])
+{
+ unsigned i;
+
+ if (count > mgr->codec_cnt)
+ count = mgr->codec_cnt;
+
+ for (i=0; i<count; ++i)
+ codecs[i] = &mgr->codecs[i];
+
+ return mgr->codec_cnt;
+}
+
+PJ_DEF(pj_codec*) pj_codec_mgr_alloc_codec (pj_codec_mgr *mgr, const struct pj_codec_id *id)
+{
+ pj_codec_factory *factory = mgr->factory_list.next;
+ while (factory != &mgr->factory_list) {
+ if ( (*factory->op->match_id)(factory, id) == 0 ) {
+ pj_codec *codec = (*factory->op->alloc_codec)(factory, id);
+ if (codec != NULL)
+ return codec;
+ }
+ factory = factory->next;
+ }
+ return NULL;
+}
+
+PJ_DEF(void) pj_codec_mgr_dealloc_codec (pj_codec_mgr *mgr, pj_codec *codec)
+{
+ PJ_UNUSED_ARG(mgr)
+ (*codec->factory->op->dealloc_codec)(codec->factory, codec);
+}
+
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