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add special case to compute aac network birate

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Jehan Monnier 2013-04-25 10:36:18 +02:00
parent 2048bac55a
commit a3f10ccd2f
3 changed files with 12 additions and 3 deletions
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11
coreapi/misc.c
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@ -234,12 +234,21 @@ static int get_codec_bitrate(LinphoneCore *lc, const PayloadType *pt){
return pt->normal_bitrate;
}
/*
*((codec-birate*ptime/8) + RTP header + UDP header + IP header)*8/ptime;
*ptime=1/npacket
*/
static double get_audio_payload_bandwidth(LinphoneCore *lc, const PayloadType *pt){
double npacket=50;
double packet_size;
int bitrate;
if (strcmp(payload_type_get_mime(&payload_type_aaceld_44k), payload_type_get_mime(pt))==0) {
/*special case of aac 44K because ptime= 10ms*/
npacket=100;
}
bitrate=get_codec_bitrate(lc,pt);
packet_size= (((double)bitrate)/(50*8))+UDP_HDR_SZ+RTP_HDR_SZ+IP4_HDR_SZ;
packet_size= (((double)bitrate)/(npacket*8))+UDP_HDR_SZ+RTP_HDR_SZ+IP4_HDR_SZ;
return packet_size*8.0*npacket;
}

2
mediastreamer2

@ -1 +1 @@
Subproject commit 07824fcf3879d265c59beaf970d833b5859f3691
Subproject commit 23b802c4631fdf909a218a0dd0a77c6cf6d4d5a9

2
oRTP

@ -1 +1 @@
Subproject commit 20b527144f9850dd9065d96db7a20244e8a8b227
Subproject commit bd64df5148bdfd4a2ff5153927676fc497118279