Commit 3d99d13b authored by Simon Morlat's avatar Simon Morlat

sound daemon: work in progress

parent b5497652
/*
linphone
Copyright (C) 2010 Simon MORLAT (simon.morlat@linphone.org)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef LINPHONECORE_UTILS_H
#define LINPHONECORE_UTILS_H
#ifdef IN_LINPHONE
#include "linphonecore.h"
#else
#include "linphone/linphonecore.h"
#endif
typedef struct _LsdPlayer LsdPlayer;
typedef struct _LinphoneSoundDaemon LinphoneSoundDaemon;
typedef void (*LsdEndOfPlayCallback)(LsdPlayer *p);
LinphoneSoundDaemon * linphone_sound_daemon_new(const char *cardname);
LsdPlayer * linphone_sound_daemon_get_player(LinphoneSoundDaemon *lsd);
void linphone_sound_daemon_release_player(LinphoneSoundDaemon *lsd, LsdPlayer *lsdplayer);
MSFilter *linphone_sound_daemon_get_proxy(LinphoneSoundDaemon *obj);
void linphone_sound_daemon_destroy(LinphoneSoundDaemon *obj);
void lsd_player_set_callback(LsdPlayer *p, LsdEndOfPlayCallback cb);
void lsd_player_set_user_pointer(LsdPlayer *p, void *up);
void *lsd_player_get_user_pointer(LsdPlayer *p);
int lsd_player_play(LsdPlayer *p, const char *filename);
int lsd_player_stop(LsdPlayer *p);
void lsd_player_enable_loop(LsdPlayer *p, bool_t loopmode);
#endif
/*
linphone
Copyright (C) 2010 Simon MORLAT (simon.morlat@linphone.org)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* Linphone Sound Daemon: is a lightweight utility to play sounds to speaker during a conversation.
This is useful for embedded platforms, where sound apis are not performant enough to allow
simultaneous sound access.
*/
#include "linphonecore_utils.h"
#include "mediastreamer2/mssndcard.h"
#include "mediastreamer2/msvolume.h"
#define MAX_BRANCHES 10
struct _LsdPlayer{
struct _LinphoneSoundDaemon *lsd;
MSFilter *player;
MSFilter *rateconv;
MSFilter *chanadapter;
MSFilter *volumectl;
LsdEndOfPlayCallback eop_cb;
void *user_data;
bool_t loopmode;
};
struct _LinphoneSoundDaemon {
int out_rate;
int out_nchans;
MSFilter *mixer;
MSFilter *soundout;
LsdPlayer branches[MAX_BRANCHES];
};
LsdPlayer *linphone_sound_daemon_get_player(LinphoneSoundDaemon *obj){
int i;
for(i=0;i<MAX_BRANCHES;++i){
LsdPlayer *b=&obj->branches[i];
MSFilter *p=b->player;
int state;
ms_filter_call_method(p,MS_PLAYER_GET_STATE,&state);
if (state==MSPlayerClosed){
return b;
}
}
ms_warning("No more free players !");
return NULL;
}
void linphone_sound_daemon_release_player(LinphoneSoundDaemon *obj, LsdPlayer * player){
int state;
float gain=1;
ms_filter_call_method(player->player,MS_PLAYER_GET_STATE,&state);
if (state!=MSPlayerClosed){
ms_filter_call_method(player->player,MS_PLAYER_CLOSE,&state);
}
ms_filter_call_method(player->volumectl,MS_VOLUME_SET_GAIN,&gain);
}
int lsd_player_stop(LsdPlayer *p){
ms_filter_call_method_noarg(p->player,MS_PLAYER_PAUSE);
return 0;
}
MSFilter *linphone_sound_daemon_get_proxy(LinphoneSoundDaemon *obj);
void linphone_sound_daemon_destroy(LinphoneSoundDaemon *obj);
static void lsd_player_init(LsdPlayer *p, MSConnectionPoint mixer, MSFilterId playerid, LinphoneSoundDaemon *lsd){
MSConnectionHelper h;
p->player=ms_filter_new(playerid);
p->rateconv=ms_filter_new(MS_RESAMPLE_ID);
p->chanadapter=NULL;
p->volumectl=ms_filter_new(MS_VOLUME_ID);
ms_connection_helper_start(&h);
ms_connection_helper_link(&h,p->player,-1,0);
ms_connection_helper_link(&h,p->rateconv,0,0);
ms_connection_helper_link(&h,p->chanadapter,0,0);
ms_connection_helper_link(&h,p->volumectl,0,0);
ms_connection_helper_link(&h,mixer.filter,mixer.pin,-1);
p->lsd=lsd;
}
static void lsd_player_uninit(LsdPlayer *p, MSConnectionPoint mixer){
MSConnectionHelper h;
ms_connection_helper_start(&h);
ms_connection_helper_unlink (&h,p->player,-1,0);
ms_connection_helper_unlink(&h,p->rateconv,0,0);
ms_connection_helper_unlink(&h,p->chanadapter,0,0);
ms_connection_helper_unlink(&h,p->volumectl,0,0);
ms_connection_helper_unlink(&h,mixer.filter,mixer.pin,-1);
ms_filter_destroy(p->player);
ms_filter_destroy(p->rateconv);
ms_filter_destroy(p->chanadapter);
ms_filter_destroy(p->volumectl);
}
void lsd_player_set_callback(LsdPlayer *p, LsdEndOfPlayCallback cb){
p->eop_cb=cb;
}
void lsd_player_set_user_pointer(LsdPlayer *p, void *up){
p->user_data=up;
}
void *lsd_player_get_user_pointer(LsdPlayer *p){
return p->user_data;
}
static void lsd_player_on_eop(void * userdata, unsigned int id, void *arg){
}
int lsd_player_play(LsdPlayer *b, const char *filename ){
int rate,chans;
int state;
LinphoneSoundDaemon *lsd=b->lsd;
ms_filter_call_method(b->player,MS_PLAYER_GET_STATE,&state);
if (state!=MSPlayerClosed){
ms_filter_call_method_noarg(b->player,MS_PLAYER_CLOSE);
}
if (ms_filter_call_method(b->player,MS_PLAYER_OPEN,(void*)filename)!=0){
return -1;
}
ms_filter_call_method(b->player,MS_FILTER_GET_SAMPLE_RATE,&rate);
ms_filter_call_method(b->player,MS_FILTER_GET_NCHANNELS,&chans);
ms_filter_set_notify_callback (b->player,lsd_player_on_eop,b);
ms_filter_call_method(b->rateconv,MS_FILTER_SET_SAMPLE_RATE,&rate);
ms_filter_call_method(b->rateconv,MS_FILTER_SET_NCHANNELS,&chans);
ms_filter_call_method(b->rateconv,MS_FILTER_SET_OUTPUT_SAMPLE_RATE,&lsd->out_rate);
ms_filter_call_method(b->chanadapter,MS_FILTER_SET_NCHANNELS,&chans);
ms_filter_call_method(b->chanadapter,MS_FILTER_SET_OUTPUT_NCHANNELS,&lsd->out_nchans);
return 0;
}
int lsd_player_stop(LsdPlayer *p);
void lsd_player_enable_loop(LsdPlayer *p, bool_t loopmode);
LinphoneSoundDaemon * linphone_sound_daemon_new(const char *cardname){
int i;
MSConnectionPoint mp;
LinphoneSoundDaemon *lsd;
MSSndCard *card=ms_snd_card_manager_get_card(
ms_snd_card_manager_get(),
cardname);
if (card==NULL){
card=ms_snd_card_manager_get_default_playback_card (
ms_snd_card_manager_get());
if (card==NULL){
ms_error("linphone_sound_daemon_new(): No playback soundcard available");
return NULL;
}
}
lsd=ms_new0(LinphoneSoundDaemon,1);
lsd->soundout=ms_snd_card_create_writer(card);
lsd->out_rate=44100;
lsd->out_nchans=2;
ms_filter_call_method(lsd->soundout,MS_FILTER_SET_SAMPLE_RATE,&lsd->out_rate);
ms_filter_call_method(lsd->soundout,MS_FILTER_SET_NCHANNELS,&lsd->out_nchans);
mp.filter=lsd->filter;
mp.pin=0;
lsd_player_init(&lsd->branches[0],mp,MS_ITC_SINK_ID,lsd);
for(i=1;i<MAX_BRANCHES;++i){
mp.pin=i;
lsd_player_init(&lsd->branches[i],mp,MS_FILE_PLAYER_ID);
}
return lsd;
}
#endif
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