1 files changed, 89 insertions, 0 deletions
diff --git a/pjmedia/src/pjmedia/codec.c b/pjmedia/src/pjmedia/codec.c
new file mode 100644
index 00000000..13409d3e
--- /dev/null
+++ b/pjmedia/src/pjmedia/codec.c
@@ -0,0 +1,89 @@
+/* $Header: /pjproject/pjmedia/src/pjmedia/codec.c 3     4/17/05 11:59a Bennylp $ */
+#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);
+}
+