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- enhance speex narrowband usage (finer bitrate choices in liblinphone)

Browse source 
- fix missing parenthesis in computations
- allow read-only config files

git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@706 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
This commit is contained in:
smorlat 2009-10-08 14:44:34 +00:00
parent 59d9c88c05
commit 1c306e4dcd
6 changed files with 103 additions and 81 deletions
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10
linphone/configure.in
View file

@ -196,7 +196,15 @@ fi
AC_SUBST(TRUESPEECH_CFLAGS)
AM_CONDITIONAL([BUILD_TRUESPEECH], [test x$truespeech = xtrue])
AC_ARG_ENABLE(nonstandard-gsm,
[ --enable-nonstandard-gsm Enable GSM codec at nonstandard rates (11025hz, 16000hz)],
[case "${enableval}" in
yes) exotic_gsm=yes
AC_DEFINE(ENABLE_NONSTANDARD_GSM,1,[Defined when using gsm at nonstandard rates])
;;
no) exotic_gsm=no ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-nonstandard-gsm) ;;
esac],[exotic_gsm=no])
dnl support for RSVP (by Vincent Maury)

3
linphone/coreapi/Makefile.am
View file

@ -49,5 +49,4 @@ AM_CFLAGS=$(STRICT_OPTIONS) -DIN_LINPHONE \
-DLOG_DOMAIN=\"LinphoneCore\" \
$(IPV6_CFLAGS) \
-DORTP_INET6 \
$(VIDEO_CFLAGS)
$(VIDEO_CFLAGS)

78
linphone/coreapi/linphonecore.c
View file

@ -655,17 +655,21 @@ const char * linphone_core_get_version(void){
return liblinphone_version;
}
#ifdef VIDEO_ENABLED
static PayloadType * payload_type_h264_packetization_mode_1=NULL;
static PayloadType * linphone_h263_1998=NULL;
static PayloadType * linphone_mp4v_es=NULL;
static PayloadType * linphone_h263_old=NULL;
#endif
static MSList *linphone_payload_types=NULL;
#ifdef UNSTANDART_GSM_11K
static PayloadType *gsm_11k=NULL;
#endif
static void linphone_core_assign_payload_type(PayloadType *const_pt, int number, const char *recv_fmtp){
PayloadType *pt;
pt=payload_type_clone(const_pt);
if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
rtp_profile_set_payload(&av_profile,number,pt);
}
static void linphone_core_free_payload_types(void){
ms_list_for_each(linphone_payload_types,(void (*)(void*))payload_type_destroy);
ms_list_free(linphone_payload_types);
linphone_payload_types=NULL;
}
void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path, void * userdata)
{
@ -678,38 +682,30 @@ void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, co
gstate_new_state(lc, GSTATE_POWER_STARTUP, NULL);
ortp_init();
rtp_profile_set_payload(&av_profile,115,&payload_type_lpc1015);
rtp_profile_set_payload(&av_profile,110,&payload_type_speex_nb);
rtp_profile_set_payload(&av_profile,111,&payload_type_speex_wb);
rtp_profile_set_payload(&av_profile,112,&payload_type_ilbc);
rtp_profile_set_payload(&av_profile,116,&payload_type_truespeech);
rtp_profile_set_payload(&av_profile,101,&payload_type_telephone_event);
#ifdef VIDEO_ENABLED
rtp_profile_set_payload(&av_profile,97,&payload_type_theora);
linphone_core_assign_payload_type(&payload_type_lpc1015,115,NULL);
linphone_core_assign_payload_type(&payload_type_speex_nb,110,"vbr=on");
linphone_core_assign_payload_type(&payload_type_speex_wb,111,"vbr=on");
linphone_core_assign_payload_type(&payload_type_speex_uwb,112,"vbr=on");
linphone_core_assign_payload_type(&payload_type_telephone_event,101,NULL);
linphone_core_assign_payload_type(&payload_type_ilbc,113,NULL);
linphone_h263_1998=payload_type_clone(&payload_type_h263_1998);
payload_type_set_recv_fmtp(linphone_h263_1998,"CIF=1;QCIF=1");
rtp_profile_set_payload(&av_profile,98,linphone_h263_1998);
linphone_h263_old=payload_type_clone(&payload_type_h263);
payload_type_set_recv_fmtp(linphone_h263_old,"QCIF=2");
rtp_profile_set_payload(&av_profile,34,linphone_h263_old);
linphone_mp4v_es=payload_type_clone(&payload_type_mp4v);
payload_type_set_recv_fmtp(linphone_mp4v_es,"profile-level-id=3");
rtp_profile_set_payload(&av_profile,99,linphone_mp4v_es);
rtp_profile_set_payload(&av_profile,100,&payload_type_x_snow);
payload_type_h264_packetization_mode_1=payload_type_clone(&payload_type_h264);
payload_type_set_recv_fmtp(payload_type_h264_packetization_mode_1,"packetization-mode=1");
rtp_profile_set_payload(&av_profile,103,payload_type_h264_packetization_mode_1);
rtp_profile_set_payload(&av_profile,102,&payload_type_h264);
#ifdef ENABLE_NONSTANDARD_GSM
{
PayloadType *pt;
pt=payload_type_clone(&payload_type_gsm);
pt->clock_rate=11025;
rtp_profile_set_payload(&av_profile,114,pt);
}
#endif
#ifdef UNSTANDART_GSM_11K
gsm_11k=payload_type_clone(&payload_type_gsm);
gsm_11k->clock_rate=11025;
rtp_profile_set_payload(&av_profile,96,gsm_11k);
#ifdef VIDEO_ENABLED
linphone_core_assign_payload_type(&payload_type_h263,34,NULL);
linphone_core_assign_payload_type(&payload_type_theora,97,NULL);
linphone_core_assign_payload_type(&payload_type_h263_1998,98,"CIF=1;QCIF=1");
linphone_core_assign_payload_type(&payload_type_mp4v,99,"profile-level-id=3");
linphone_core_assign_payload_type(&payload_type_x_snow,100,NULL);
linphone_core_assign_payload_type(&payload_type_h264,102,NULL);
linphone_core_assign_payload_type(&payload_type_h264,103,"packetization-mode=1");
#endif
ms_init();
@ -2666,10 +2662,8 @@ void linphone_core_uninit(LinphoneCore *lc)
if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
lp_config_destroy(lc->config);
sip_setup_unregister_all();
#ifdef VIDEO_ENABLED
if (payload_type_h264_packetization_mode_1!=NULL)
payload_type_destroy(payload_type_h264_packetization_mode_1);
#endif
linphone_core_free_payload_types();
ortp_exit();
eXosip_quit();

5
linphone/coreapi/lpconfig.c
View file

@ -97,6 +97,7 @@ struct _LpConfig{
char *filename;
MSList *sections;
int modified;
int readonly;
};
LpItem * lp_item_new(const char *key, const char *value){
@ -339,13 +340,15 @@ void lp_section_write(LpSection *sec, FILE *file){
int lp_config_sync(LpConfig *lpconfig){
FILE *file;
if (lpconfig->filename==NULL) return -1;
if (lpconfig->readonly) return 0;
#ifndef WIN32
/* don't create group/world-accessible files */
(void) umask(S_IRWXG | S_IRWXO);
#endif
file=fopen(lpconfig->filename,"w");
if (file==NULL){
ms_warning("Could not write %s !",lpconfig->filename);
ms_warning("Could not write %s ! Maybe it is read-only. Configuration will not be saved.",lpconfig->filename);
lpconfig->readonly=1;
return -1;
}
ms_list_for_each2(lpconfig->sections,(void (*)(void *,void*))lp_section_write,(void *)file);

29
linphone/coreapi/misc.c
View file

@ -27,6 +27,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <strings.h>
#undef snprintf
#include <ortp/stun.h>
@ -187,17 +189,31 @@ int payload_type_get_rate(PayloadType *pt){
return pt->clock_rate;
}
static double get_audio_payload_bandwidth(const PayloadType *pt){
/*this function makes a special case for speex/8000.
This codec is variable bitrate. The 8kbit/s mode is interesting when having a low upload bandwidth, but its quality
is not very good. We 'd better use its 15kbt/s mode when we have enough bandwidth*/
static int get_codec_bitrate(LinphoneCore *lc, const PayloadType *pt){
int upload_bw=linphone_core_get_upload_bandwidth(lc);
if (upload_bw>128 || (upload_bw>32 && !linphone_core_video_enabled(lc)) ) {
if (strcmp(pt->mime_type,"speex")==0 && pt->clock_rate==8000){
ms_message("Let's use speex at 15kbit/s");
return 15000;
}
}
return pt->normal_bitrate;
}
static double get_audio_payload_bandwidth(LinphoneCore *lc, const PayloadType *pt){
double npacket=50;
double packet_size;
int bitrate;
bitrate=pt->normal_bitrate;
packet_size=(double)(bitrate/(50*8))+UDP_HDR_SZ+RTP_HDR_SZ+IP4_HDR_SZ;
bitrate=get_codec_bitrate(lc,pt);
packet_size= (((double)bitrate)/(50*8))+UDP_HDR_SZ+RTP_HDR_SZ+IP4_HDR_SZ;
return packet_size*8.0*npacket;
}
void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCore *lc, const PayloadType *pt){
lc->audio_bw=(int)(get_audio_payload_bandwidth(pt)/1000.0);
lc->audio_bw=(int)(get_audio_payload_bandwidth(lc,pt)/1000.0);
/*update*/
linphone_core_set_download_bandwidth(lc,lc->net_conf.download_bw);
linphone_core_set_upload_bandwidth(lc,lc->net_conf.upload_bw);
@ -209,8 +225,9 @@ void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc){
for(elem=linphone_core_get_audio_codecs(lc);elem!=NULL;elem=elem->next){
PayloadType *pt=(PayloadType*)elem->data;
if (payload_type_enabled(pt)){
int pt_bitrate=get_codec_bitrate(lc,pt);
if (max==NULL) max=pt;
else if (max->normal_bitrate<pt->normal_bitrate){
else if (max->normal_bitrate<pt_bitrate){
max=pt;
}
}
@ -241,7 +258,7 @@ bool_t linphone_core_check_payload_type_usability(LinphoneCore *lc, PayloadType
switch (pt->type){
case PAYLOAD_AUDIO_CONTINUOUS:
case PAYLOAD_AUDIO_PACKETIZED:
codec_band=get_audio_payload_bandwidth(pt);
codec_band=get_audio_payload_bandwidth(lc,pt);
ret=bandwidth_is_greater(min_audio_bw*1000,codec_band);
//ms_message("Payload %s: %g",pt->mime_type,codec_band);
break;

59
linphone/mediastreamer2/src/msspeex.c
View file

@ -113,18 +113,18 @@ static void enc_preprocess(MSFilter *f){
}
if (s->rate==8000){
//+------+---------------+-------------+
//| mode | Speex quality | bit-rate |
//+------+---------------+-------------+
//| 1 | 0 | 2.15 kbit/s |
//| 2 | 2 | 5.95 kbit/s |
//| 3 | 3 or 4 | 8.00 kbit/s |
//| 4 | 5 or 6 | 11.0 kbit/s |
//| 5 | 7 or 8 | 15.0 kbit/s |
//| 6 | 9 | 18.2 kbit/s |
//| 7 | 10 | 24.6 kbit/s |
//| 8 | 1 | 3.95 kbit/s |
//+------+---------------+-------------+
//+------+---------------+-------------+
//| mode | Speex quality | bit-rate |
//+------+---------------+-------------+
//| 1 | 0 | 2.15 kbit/s |
//| 2 | 2 | 5.95 kbit/s |
//| 3 | 3 or 4 | 8.00 kbit/s |
//| 4 | 5 or 6 | 11.0 kbit/s |
//| 5 | 7 or 8 | 15.0 kbit/s |
//| 6 | 9 | 18.2 kbit/s |
//| 7 | 10 | 24.6 kbit/s |
//| 8 | 1 | 3.95 kbit/s |
//+------+---------------+-------------+
if (s->mode<=0 || s->mode>8)
s->mode = 3; /* default mode */
@ -152,22 +152,22 @@ static void enc_preprocess(MSFilter *f){
}
}
else if (s->rate==16000 || s->rate==32000){
//+------+---------------+-------------------+------------------------+
//| mode | Speex quality | wideband bit-rate | ultra wideband |
//| | | | bit-rate |
//+------+---------------+-------------------+------------------------+
//| 0 | 0 | 3.95 kbit/s | 5.75 kbit/s |
//| 1 | 1 | 5.75 kbit/s | 7.55 kbit/s |
//| 2 | 2 | 7.75 kbit/s | 9.55 kbit/s |
//| 3 | 3 | 9.80 kbit/s | 11.6 kbit/s |
//| 4 | 4 | 12.8 kbit/s | 14.6 kbit/s |
//| 5 | 5 | 16.8 kbit/s | 18.6 kbit/s |
//| 6 | 6 | 20.6 kbit/s | 22.4 kbit/s |
//| 7 | 7 | 23.8 kbit/s | 25.6 kbit/s |
//| 8 | 8 | 27.8 kbit/s | 29.6 kbit/s |
//| 9 | 9 | 34.2 kbit/s | 36.0 kbit/s |
//| 10 | 10 | 42.2 kbit/s | 44.0 kbit/s |
//+------+---------------+-------------------+------------------------+
//+------+---------------+-------------------+------------------------+
//| mode | Speex quality | wideband bit-rate | ultra wideband |
//| | | | bit-rate |
//+------+---------------+-------------------+------------------------+
//| 0 | 0 | 3.95 kbit/s | 5.75 kbit/s |
//| 1 | 1 | 5.75 kbit/s | 7.55 kbit/s |
//| 2 | 2 | 7.75 kbit/s | 9.55 kbit/s |
//| 3 | 3 | 9.80 kbit/s | 11.6 kbit/s |
//| 4 | 4 | 12.8 kbit/s | 14.6 kbit/s |
//| 5 | 5 | 16.8 kbit/s | 18.6 kbit/s |
//| 6 | 6 | 20.6 kbit/s | 22.4 kbit/s |
//| 7 | 7 | 23.8 kbit/s | 25.6 kbit/s |
//| 8 | 8 | 27.8 kbit/s | 29.6 kbit/s |
//| 9 | 9 | 34.2 kbit/s | 36.0 kbit/s |
//| 10 | 10 | 42.2 kbit/s | 44.0 kbit/s |
//+------+---------------+-------------------+------------------------+
int q=0;
if (s->mode<0 || s->mode>10)
s->mode = 8; /* default mode */
@ -180,7 +180,8 @@ static void enc_preprocess(MSFilter *f){
if (s->maxbitrate>0){
/* convert from network bitrate to codec bitrate:*/
/* ((nbr/(50*8)) -20-12-8)*50*8*/
int cbr=(int)( (((float)s->maxbitrate/(50.0*8))-20-12-8)*50*8);
int cbr=(int)( ((((float)s->maxbitrate)/(50.0*8))-20-12-8)*50*8);
ms_message("Setting maxbitrate=%i to speex encoder.",cbr);
if (speex_encoder_ctl(s->state,SPEEX_SET_BITRATE,&cbr)!=0){
ms_error("Could not set maxbitrate %i to speex encoder.",s->bitrate);
}