mblk_t* rtp_session_create_rtcp_sdes_packet(RtpSession *session, bool_t full) {
mblk_t *mp = allocb(sizeof(rtcp_common_header_t), 0);
rtcp_common_header_t *rtcp;
mblk_t *tmp;
mblk_t *m = mp;
mblk_t *sdes;
queue_t *q;
int rc = 0;
sdes = (full == TRUE) ? session->full_sdes : session->minimal_sdes;
rtcp = (rtcp_common_header_t *)mp->b_wptr;
mp->b_wptr += sizeof(rtcp_common_header_t);
/* Concatenate all sdes chunks. */
sdes_chunk_set_ssrc(sdes, session->snd.ssrc);
m = concatb(m, dupmsg(sdes));
rc++;
if (full == TRUE) {
q = &session->contributing_sources;
for (tmp = qbegin(q); !qend(q, tmp); tmp = qnext(q, mp)) {
m = concatb(m, dupmsg(tmp));
rc++;
}
}
rtcp_common_header_init(rtcp, session, RTCP_SDES, rc, msgdsize(mp));
return mp;
}
void ms_yuv_buf_allocator_free(MSYuvBufAllocator *obj) {
mblk_t *m;
int possibly_leaked = 0;
for(m = qbegin(&obj->q); !qend(&obj->q,m); m = qnext(&obj->q, m)){
if (m->b_datap->db_ref > 1) possibly_leaked++;
}
msgb_allocator_uninit(obj);
ms_free(obj);
if (possibly_leaked > 0){
ms_warning("ms_yuv_buf_allocator_free(): leaving %i mblk_t still ref'd, possible leak.", possibly_leaked);
}
}
void rtp_session_remove_contributing_source(RtpSession *session, uint32_t ssrc) {
queue_t *q=&session->contributing_sources;
mblk_t *tmp;
for (tmp=qbegin(q); !qend(q,tmp); tmp=qnext(q,tmp)){
uint32_t csrc=sdes_chunk_get_ssrc(tmp);
if (csrc==ssrc) {
remq(q,tmp);
break;
}
}
tmp=rtcp_create_simple_bye_packet(ssrc, NULL);
rtp_session_rtcp_send(session,tmp);
}
mblk_t *msgb_allocator_alloc(msgb_allocator_t *a, int size){
queue_t *q=&a->q;
mblk_t *m,*found=NULL;
/*lookup for an unused msgb (data block with ref count ==1)*/
for(m=qbegin(q);!qend(q,m);m=qnext(q,m)){
if (m->b_datap->db_ref==1 && m->b_datap->db_lim-m->b_datap->db_base>=size){
found=m;
break;
}
}
if (found==NULL){
found=allocb(size,0);
putq(q,found);
}
return dupb(found);
}
mblk_t* rtp_session_create_rtcp_sdes_packet(RtpSession *session)
{
mblk_t *mp=allocb(sizeof(rtcp_common_header_t),0);
rtcp_common_header_t *rtcp;
mblk_t *tmp,*m=mp;
queue_t *q;
int rc=0;
rtcp = (rtcp_common_header_t*)mp->b_wptr;
mp->b_wptr+=sizeof(rtcp_common_header_t);
/* concatenate all sdes chunks */
sdes_chunk_set_ssrc(session->sd,session->snd.ssrc);
m=concatb(m,dupmsg(session->sd));
rc++;
q=&session->contributing_sources;
for (tmp=qbegin(q); !qend(q,tmp); tmp=qnext(q,mp)){
m=concatb(m,dupmsg(tmp));
rc++;
}
rtcp_common_header_init(rtcp,session,RTCP_SDES,rc,msgdsize(mp));
return mp;
}
