Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 250 insertions, 0 deletions

diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/mscodec.c b/kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/mscodec.c
new file mode 100644
index 00000000..dafa1e87
--- /dev/null
+++ b/kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/mscodec.c
@@ -0,0 +1,250 @@
+/*
+  The mediastreamer library aims at providing modular media processing and I/O
+	for linphone, but also for any telephony application.
+  Copyright (C) 2001  Simon MORLAT simon.morlat@linphone.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 "mscodec.h"
+#include "msMUlawdec.h"
+
+#ifdef TRUESPEECH
+extern MSCodecInfo TrueSpeechinfo;
+#endif
+
+#ifdef VIDEO_ENABLED
+extern void ms_AVCodec_init();
+#endif
+
+#define UDP_HDR_SZ 8
+#define RTP_HDR_SZ 12
+#define IP4_HDR_SZ 20   /*20 is the minimum, but there may be some options*/
+
+
+
+
+/* register all statically linked codecs */
+void ms_codec_register_all()
+{
+/*//	ms_filter_register(MS_FILTER_INFO(&GSMinfo));
+	//	ms_filter_register(MS_FILTER_INFO(&LPC10info));*/
+	ms_filter_register(MS_FILTER_INFO(&MULAWinfo));
+#ifdef TRUESPEECH
+        ms_filter_register(MS_FILTER_INFO(&TrueSpeechinfo));
+#endif
+#ifdef VIDEO_ENABLED
+	ms_AVCodec_init();
+#endif
+	
+}
+
+/* returns a list of MSCodecInfo */
+GList * ms_codec_get_all_audio()
+{
+	GList *audio_codecs=NULL;
+	GList *elem=filter_list;
+	MSFilterInfo *info;
+	while (elem!=NULL)
+	{
+		info=(MSFilterInfo *)elem->data;
+		if (info->type==MS_FILTER_AUDIO_CODEC){
+			audio_codecs=g_list_append(audio_codecs,info);
+		}
+		elem=g_list_next(elem);
+	}
+	return audio_codecs;
+}
+
+
+MSCodecInfo * ms_audio_codec_info_get(gchar *name)
+{
+	GList *elem=filter_list;
+	MSFilterInfo *info;
+	while (elem!=NULL)
+	{
+		info=(MSFilterInfo *)elem->data;
+		if ( (info->type==MS_FILTER_AUDIO_CODEC) ){
+			MSCodecInfo *codinfo=(MSCodecInfo *)info;
+			if (strcmp(codinfo->description,name)==0){
+				return MS_CODEC_INFO(info);
+			}
+		}
+		elem=g_list_next(elem);
+	}
+	return NULL;
+}
+
+MSCodecInfo * ms_video_codec_info_get(gchar *name)
+{
+	GList *elem=filter_list;
+	MSFilterInfo *info;
+	while (elem!=NULL)
+	{
+		info=(MSFilterInfo *)elem->data;
+		if ( (info->type==MS_FILTER_VIDEO_CODEC) ){
+			MSCodecInfo *codinfo=(MSCodecInfo *)info;
+			if (strcmp(codinfo->description,name)==0){
+				return MS_CODEC_INFO(info);
+			}
+		}
+		elem=g_list_next(elem);
+	}
+	return NULL;
+}
+
+/* returns a list of MSCodecInfo */
+GList * ms_codec_get_all_video()
+{
+	GList *video_codecs=NULL;
+	GList *elem=filter_list;
+	MSFilterInfo *info;
+	while (elem!=NULL)
+	{
+		info=(MSFilterInfo *)elem->data;
+		if (info->type==MS_FILTER_VIDEO_CODEC){
+			video_codecs=g_list_append(video_codecs,info);
+		}
+		elem=g_list_next(elem);
+	}
+	return video_codecs;
+}
+
+MSFilter * ms_encoder_new(gchar *name)
+{
+	GList *elem=filter_list;
+	MSFilterInfo *info;
+	while (elem!=NULL)
+	{
+		info=(MSFilterInfo *)elem->data;
+		if ((info->type==MS_FILTER_AUDIO_CODEC) || (info->type==MS_FILTER_VIDEO_CODEC)){
+			MSCodecInfo *codinfo=(MSCodecInfo *)elem->data;
+			if (strcmp(info->name,name)==0){
+				return codinfo->encoder();
+			}
+		}
+		elem=g_list_next(elem);
+	}
+	return NULL;
+}
+
+MSFilter * ms_decoder_new(gchar *name)
+{
+	GList *elem=filter_list;
+	MSFilterInfo *info;
+	while (elem!=NULL)
+	{
+		info=(MSFilterInfo *)elem->data;
+		if ((info->type==MS_FILTER_AUDIO_CODEC) || (info->type==MS_FILTER_VIDEO_CODEC)){
+			MSCodecInfo *codinfo=(MSCodecInfo *)elem->data;
+			if (strcmp(info->name,name)==0){
+				return codinfo->decoder();
+			}
+		}
+		elem=g_list_next(elem);
+	}
+	return NULL;
+}
+
+MSFilter * ms_encoder_new_with_pt(gint pt)
+{
+	GList *elem=filter_list;
+	MSFilterInfo *info;
+	while (elem!=NULL)
+	{
+		info=(MSFilterInfo *)elem->data;
+		if ((info->type==MS_FILTER_AUDIO_CODEC) || (info->type==MS_FILTER_VIDEO_CODEC)){
+			MSCodecInfo *codinfo=(MSCodecInfo *)elem->data;
+			if (codinfo->pt==pt){
+				return codinfo->encoder();
+			}
+		}
+		elem=g_list_next(elem);
+	}
+	return NULL;
+}
+
+MSFilter * ms_decoder_new_with_pt(gint pt)
+{
+	GList *elem=filter_list;
+	MSFilterInfo *info;
+	while (elem!=NULL)
+	{
+		info=(MSFilterInfo *)elem->data;
+		if ((info->type==MS_FILTER_AUDIO_CODEC) || (info->type==MS_FILTER_VIDEO_CODEC)){
+			MSCodecInfo *codinfo=(MSCodecInfo *)elem->data;
+			if (codinfo->pt==pt){
+				return codinfo->decoder();
+			}
+		}
+		elem=g_list_next(elem);
+	}
+	return NULL;
+}
+
+MSFilter * ms_decoder_new_with_string_id(gchar *id)
+{
+	GList *elem=filter_list;
+	MSFilterInfo *info;
+	while (elem!=NULL)
+	{
+		info=(MSFilterInfo *)elem->data;
+		if ((info->type==MS_FILTER_AUDIO_CODEC) || (info->type==MS_FILTER_VIDEO_CODEC)){
+			MSCodecInfo *codinfo=(MSCodecInfo *)elem->data;
+			if (strcasecmp(codinfo->description,id)==0){
+				return codinfo->decoder();
+			}
+		}
+		elem=g_list_next(elem);
+	}
+	return NULL;
+}
+
+MSFilter * ms_encoder_new_with_string_id(gchar *id)
+{
+	GList *elem=filter_list;
+	MSFilterInfo *info;
+	while (elem!=NULL)
+	{
+		info=(MSFilterInfo *)elem->data;
+		if ((info->type==MS_FILTER_AUDIO_CODEC) || (info->type==MS_FILTER_VIDEO_CODEC)){
+			MSCodecInfo *codinfo=(MSCodecInfo *)elem->data;
+			if (strcasecmp(codinfo->description,id)==0){
+				return codinfo->encoder();
+			}
+		}
+		elem=g_list_next(elem);
+	}
+	return NULL;
+}
+/* return 0 if codec can be used with bandwidth, -1 else*/
+int ms_codec_is_usable(MSCodecInfo *codec,double bandwidth)
+{
+	double codec_band;
+	double npacket;
+	double packet_size;
+	
+	if (((MSFilterInfo*)codec)->type==MS_FILTER_AUDIO_CODEC)
+	{
+		/* calculate the total bandwdith needed by codec (including headers for rtp, udp, ip)*/		
+		/* number of packet per second*/
+		npacket=2.0*(double)(codec->rate)/(double)(codec->fr_size);
+		packet_size=(double)(codec->dt_size)+UDP_HDR_SZ+RTP_HDR_SZ+IP4_HDR_SZ;
+		codec_band=packet_size*8.0*npacket;
+	}
+	else return -1;
+	return(codec_band<bandwidth);
+}