diff options
Diffstat (limited to 'kopete/protocols/jabber/jingle/libjingle/talk/third_party/ortp/payloadtype.c')
| -rw-r--r-- | kopete/protocols/jabber/jingle/libjingle/talk/third_party/ortp/payloadtype.c | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/third_party/ortp/payloadtype.c b/kopete/protocols/jabber/jingle/libjingle/talk/third_party/ortp/payloadtype.c new file mode 100644 index 00000000..c4886208 --- /dev/null +++ b/kopete/protocols/jabber/jingle/libjingle/talk/third_party/ortp/payloadtype.c @@ -0,0 +1,268 @@ +/* + The oRTP library is an RTP (Realtime Transport Protocol - rfc1889) stack. + 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 <payloadtype.h> + +#include <stdio.h> +#include <stdlib.h> + +#ifdef WIN32 +#define snprintf _snprintf +#define strcasecmp stricmp +#endif + +/** + *rtp_profile_clear_all: + *@profile: an RTP profile (#RtpProfile object) + * + * Initialize the profile to the empty profile (all payload type are unassigned). + * +**/ + +/** + *rtp_profile_set_name: + *@profile: a rtp profile object (#RtpProfile) + *@nm: a string + * + * Set a name to the rtp profile. (This is not required) + * +**/ + +/** + *rtp_profile_get_name: + *@profile: a rtp profile object (#RtpProfile) + * + *Returns: the name of the rtp profile. May be NULL. +**/ + +/** + *rtp_profile_set_payload: + *@profile: an RTP profile (a #RtpProfile object) + *@index: the payload type number + *@pt: the payload type description (a #PayloadType object ) + * + * Assign payload type number @index to payload type desribed in @pt for the RTP profile + * @profile. + * +**/ + +/** + *rtp_profile_get_payload: + *@profile: an RTP profile (a #RtpProfile object) + *@index: the payload type number + * + * Gets the payload description of the payload type @index in the profile @profile. + * + *Returns: the payload description (a #PayloadType object) +**/ + +/** + *rtp_profile_clear_payload: + *@profile: an RTP profile (a #RtpProfile object) + *@index: the payload type number + * + * Set payload type number @index unassigned in profile @profile. + * +**/ + +char *payload_type_get_rtpmap(PayloadType *pt) +{ + int len=strlen(pt->mime_type)+15; + char *rtpmap=g_malloc(len); + snprintf(rtpmap,len,"%s/%i/1",pt->mime_type,pt->clock_rate); + return rtpmap; +} + +PayloadType *payload_type_new() +{ + PayloadType *newpayload=g_new0(PayloadType,1); + newpayload->flags|=PAYLOAD_TYPE_ALLOCATED; + return newpayload; +} + + +PayloadType *payload_type_clone(PayloadType *payload) +{ + PayloadType *newpayload=g_new0(PayloadType,1); + memcpy(newpayload,payload,sizeof(PayloadType)); + newpayload->mime_type=g_strdup(payload->mime_type); + if (payload->fmtp!=NULL) newpayload->fmtp=g_strdup(payload->fmtp); + newpayload->flags|=PAYLOAD_TYPE_ALLOCATED; + return newpayload; +} + +void payload_type_destroy(PayloadType *pt) +{ + g_free(pt->mime_type); + g_free(pt->fmtp); + g_free(pt); +} + +gint rtp_profile_get_payload_number_from_mime(RtpProfile *profile,const char *mime) +{ + PayloadType *pt; + gint i; + for (i=0;i<RTP_PROFILE_MAX_PAYLOADS;i++) + { + pt=rtp_profile_get_payload(profile,i); + if (pt!=NULL) + { + if (strcasecmp(pt->mime_type,mime)==0){ + return i; + } + } + } + return -1; +} + +gint rtp_profile_find_payload_number(RtpProfile*profile,const gchar *mime,int rate) +{ + int i; + PayloadType *pt; + for (i=0;i<RTP_PROFILE_MAX_PAYLOADS;i++) + { + pt=rtp_profile_get_payload(profile,i); + if (pt!=NULL) + { + if (strcasecmp(pt->mime_type,mime)==0 && pt->clock_rate==rate){ + + return i; + } + } + } + return -1; +} + +gint rtp_profile_get_payload_number_from_rtpmap(RtpProfile *profile,const char *rtpmap) +{ + gint clock_rate,ret; + char *p,*mime,*tmp,*c; + + /* parse the rtpmap */ + tmp=g_strdup(rtpmap); + p=strchr(tmp,'/'); + if (p!=NULL){ + mime=tmp; + *p='\0'; + c=p+1; + p=strchr(c,'/'); + if (p!=NULL) *p='\0'; + clock_rate=atoi(c); + }else return -1; + + //printf("Searching for payload %s at freq %i",mime,clock_rate); + ret=rtp_profile_find_payload_number(profile,mime,clock_rate); + g_free(tmp); + return ret; +} + +PayloadType * rtp_profile_find_payload(RtpProfile *prof,const gchar *mime,int rate) +{ + int i; + i=rtp_profile_find_payload_number(prof,mime,rate); + if (i>=0) return rtp_profile_get_payload(prof,i); + return NULL; +} + + +PayloadType * rtp_profile_get_payload_from_mime(RtpProfile *profile,const char *mime) +{ + int pt; + pt=rtp_profile_get_payload_number_from_mime(profile,mime); + if (pt==-1) return NULL; + else return rtp_profile_get_payload(profile,pt); +} + + +PayloadType * rtp_profile_get_payload_from_rtpmap(RtpProfile *profile, const char *rtpmap) +{ + int pt; + pt=rtp_profile_get_payload_number_from_rtpmap(profile,rtpmap); + if (pt==-1) return NULL; + else return rtp_profile_get_payload(profile,pt); +} + +int rtp_profile_move_payload(RtpProfile *prof,int oldpos,int newpos){ + prof->payload[newpos]=prof->payload[oldpos]; + prof->payload[oldpos]=NULL; + return 0; +} + +RtpProfile * rtp_profile_new(const char *name) +{ + RtpProfile *prof=g_new0(RtpProfile,1); + rtp_profile_set_name(prof,name); + rtp_profile_clear_all(prof); + return prof; +} + +void rtp_profile_set_name(RtpProfile *obj, const char *name){ + if (obj->name!=NULL) g_free(obj->name); + obj->name=g_strdup(name); +} + +/* ! payload are not cloned*/ +RtpProfile * rtp_profile_clone(RtpProfile *prof) +{ + int i; + PayloadType *pt; + RtpProfile *newprof=rtp_profile_new(prof->name); + rtp_profile_clear_all(newprof); + for (i=0;i<128;i++){ + pt=rtp_profile_get_payload(prof,i); + if (pt!=NULL){ + rtp_profile_set_payload(newprof,i,pt); + } + } + return newprof; +} + +void rtp_profile_copy(const RtpProfile *orig, RtpProfile *dest){ + memcpy(dest,orig,sizeof(RtpProfile)); +} + + +/*clone a profile and its payloads */ +RtpProfile * rtp_profile_clone_full(RtpProfile *prof) +{ + int i; + PayloadType *pt; + RtpProfile *newprof=rtp_profile_new(prof->name); + rtp_profile_clear_all(newprof); + for (i=0;i<RTP_PROFILE_MAX_PAYLOADS;i++){ + pt=rtp_profile_get_payload(prof,i); + if (pt!=NULL){ + rtp_profile_set_payload(newprof,i,payload_type_clone(pt)); + } + } + return newprof; +} + +void rtp_profile_destroy(RtpProfile *prof) +{ + int i; + PayloadType *payload; + for (i=0;i<RTP_PROFILE_MAX_PAYLOADS;i++) + { + payload=rtp_profile_get_payload(prof,i); + if (payload!=NULL && (payload->flags & PAYLOAD_TYPE_ALLOCATED)) + payload_type_destroy(payload); + } + g_free(prof); +} |