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sound daemon: work in progress
This commit is contained in:
Simon Morlat
parent
b5497652f2
commit
3d99d13bf6
2 changed files with 248 additions and 0 deletions
50
coreapi/linphonecore_utils.h
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50
coreapi/linphonecore_utils.h
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/*
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linphone
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Copyright (C) 2010 Simon MORLAT (simon.morlat@linphone.org)
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef LINPHONECORE_UTILS_H
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#define LINPHONECORE_UTILS_H
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#ifdef IN_LINPHONE
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#include "linphonecore.h"
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#else
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#include "linphone/linphonecore.h"
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#endif
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typedef struct _LsdPlayer LsdPlayer;
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typedef struct _LinphoneSoundDaemon LinphoneSoundDaemon;
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typedef void (*LsdEndOfPlayCallback)(LsdPlayer *p);
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LinphoneSoundDaemon * linphone_sound_daemon_new(const char *cardname);
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LsdPlayer * linphone_sound_daemon_get_player(LinphoneSoundDaemon *lsd);
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void linphone_sound_daemon_release_player(LinphoneSoundDaemon *lsd, LsdPlayer *lsdplayer);
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MSFilter *linphone_sound_daemon_get_proxy(LinphoneSoundDaemon *obj);
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void linphone_sound_daemon_destroy(LinphoneSoundDaemon *obj);
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void lsd_player_set_callback(LsdPlayer *p, LsdEndOfPlayCallback cb);
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void lsd_player_set_user_pointer(LsdPlayer *p, void *up);
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void *lsd_player_get_user_pointer(LsdPlayer *p);
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int lsd_player_play(LsdPlayer *p, const char *filename);
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int lsd_player_stop(LsdPlayer *p);
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void lsd_player_enable_loop(LsdPlayer *p, bool_t loopmode);
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#endif
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198
coreapi/lsd.c
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198
coreapi/lsd.c
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/*
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linphone
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Copyright (C) 2010 Simon MORLAT (simon.morlat@linphone.org)
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* Linphone Sound Daemon: is a lightweight utility to play sounds to speaker during a conversation.
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This is useful for embedded platforms, where sound apis are not performant enough to allow
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simultaneous sound access.
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*/
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#include "linphonecore_utils.h"
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#include "mediastreamer2/mssndcard.h"
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#include "mediastreamer2/msvolume.h"
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#define MAX_BRANCHES 10
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struct _LsdPlayer{
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struct _LinphoneSoundDaemon *lsd;
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MSFilter *player;
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MSFilter *rateconv;
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MSFilter *chanadapter;
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MSFilter *volumectl;
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LsdEndOfPlayCallback eop_cb;
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void *user_data;
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bool_t loopmode;
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};
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struct _LinphoneSoundDaemon {
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int out_rate;
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int out_nchans;
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MSFilter *mixer;
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MSFilter *soundout;
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LsdPlayer branches[MAX_BRANCHES];
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};
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LsdPlayer *linphone_sound_daemon_get_player(LinphoneSoundDaemon *obj){
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int i;
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for(i=0;i<MAX_BRANCHES;++i){
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LsdPlayer *b=&obj->branches[i];
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MSFilter *p=b->player;
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int state;
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ms_filter_call_method(p,MS_PLAYER_GET_STATE,&state);
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if (state==MSPlayerClosed){
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return b;
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}
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}
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ms_warning("No more free players !");
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return NULL;
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}
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void linphone_sound_daemon_release_player(LinphoneSoundDaemon *obj, LsdPlayer * player){
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int state;
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float gain=1;
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ms_filter_call_method(player->player,MS_PLAYER_GET_STATE,&state);
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if (state!=MSPlayerClosed){
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ms_filter_call_method(player->player,MS_PLAYER_CLOSE,&state);
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}
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ms_filter_call_method(player->volumectl,MS_VOLUME_SET_GAIN,&gain);
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}
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int lsd_player_stop(LsdPlayer *p){
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ms_filter_call_method_noarg(p->player,MS_PLAYER_PAUSE);
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return 0;
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}
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MSFilter *linphone_sound_daemon_get_proxy(LinphoneSoundDaemon *obj);
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void linphone_sound_daemon_destroy(LinphoneSoundDaemon *obj);
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static void lsd_player_init(LsdPlayer *p, MSConnectionPoint mixer, MSFilterId playerid, LinphoneSoundDaemon *lsd){
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MSConnectionHelper h;
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p->player=ms_filter_new(playerid);
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p->rateconv=ms_filter_new(MS_RESAMPLE_ID);
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p->chanadapter=NULL;
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p->volumectl=ms_filter_new(MS_VOLUME_ID);
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ms_connection_helper_start(&h);
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ms_connection_helper_link(&h,p->player,-1,0);
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ms_connection_helper_link(&h,p->rateconv,0,0);
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ms_connection_helper_link(&h,p->chanadapter,0,0);
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ms_connection_helper_link(&h,p->volumectl,0,0);
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ms_connection_helper_link(&h,mixer.filter,mixer.pin,-1);
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p->lsd=lsd;
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}
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static void lsd_player_uninit(LsdPlayer *p, MSConnectionPoint mixer){
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MSConnectionHelper h;
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ms_connection_helper_start(&h);
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ms_connection_helper_unlink (&h,p->player,-1,0);
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ms_connection_helper_unlink(&h,p->rateconv,0,0);
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ms_connection_helper_unlink(&h,p->chanadapter,0,0);
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ms_connection_helper_unlink(&h,p->volumectl,0,0);
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ms_connection_helper_unlink(&h,mixer.filter,mixer.pin,-1);
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ms_filter_destroy(p->player);
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ms_filter_destroy(p->rateconv);
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ms_filter_destroy(p->chanadapter);
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ms_filter_destroy(p->volumectl);
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}
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void lsd_player_set_callback(LsdPlayer *p, LsdEndOfPlayCallback cb){
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p->eop_cb=cb;
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}
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void lsd_player_set_user_pointer(LsdPlayer *p, void *up){
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p->user_data=up;
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}
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void *lsd_player_get_user_pointer(LsdPlayer *p){
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return p->user_data;
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}
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static void lsd_player_on_eop(void * userdata, unsigned int id, void *arg){
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}
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int lsd_player_play(LsdPlayer *b, const char *filename ){
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int rate,chans;
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int state;
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LinphoneSoundDaemon *lsd=b->lsd;
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ms_filter_call_method(b->player,MS_PLAYER_GET_STATE,&state);
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if (state!=MSPlayerClosed){
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ms_filter_call_method_noarg(b->player,MS_PLAYER_CLOSE);
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}
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if (ms_filter_call_method(b->player,MS_PLAYER_OPEN,(void*)filename)!=0){
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return -1;
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}
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ms_filter_call_method(b->player,MS_FILTER_GET_SAMPLE_RATE,&rate);
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ms_filter_call_method(b->player,MS_FILTER_GET_NCHANNELS,&chans);
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ms_filter_set_notify_callback (b->player,lsd_player_on_eop,b);
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ms_filter_call_method(b->rateconv,MS_FILTER_SET_SAMPLE_RATE,&rate);
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ms_filter_call_method(b->rateconv,MS_FILTER_SET_NCHANNELS,&chans);
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ms_filter_call_method(b->rateconv,MS_FILTER_SET_OUTPUT_SAMPLE_RATE,&lsd->out_rate);
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ms_filter_call_method(b->chanadapter,MS_FILTER_SET_NCHANNELS,&chans);
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ms_filter_call_method(b->chanadapter,MS_FILTER_SET_OUTPUT_NCHANNELS,&lsd->out_nchans);
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return 0;
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}
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int lsd_player_stop(LsdPlayer *p);
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void lsd_player_enable_loop(LsdPlayer *p, bool_t loopmode);
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LinphoneSoundDaemon * linphone_sound_daemon_new(const char *cardname){
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int i;
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MSConnectionPoint mp;
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LinphoneSoundDaemon *lsd;
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MSSndCard *card=ms_snd_card_manager_get_card(
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ms_snd_card_manager_get(),
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cardname);
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if (card==NULL){
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card=ms_snd_card_manager_get_default_playback_card (
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ms_snd_card_manager_get());
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if (card==NULL){
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ms_error("linphone_sound_daemon_new(): No playback soundcard available");
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return NULL;
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}
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}
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lsd=ms_new0(LinphoneSoundDaemon,1);
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lsd->soundout=ms_snd_card_create_writer(card);
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lsd->out_rate=44100;
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lsd->out_nchans=2;
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ms_filter_call_method(lsd->soundout,MS_FILTER_SET_SAMPLE_RATE,&lsd->out_rate);
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ms_filter_call_method(lsd->soundout,MS_FILTER_SET_NCHANNELS,&lsd->out_nchans);
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mp.filter=lsd->filter;
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mp.pin=0;
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lsd_player_init(&lsd->branches[0],mp,MS_ITC_SINK_ID,lsd);
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for(i=1;i<MAX_BRANCHES;++i){
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mp.pin=i;
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lsd_player_init(&lsd->branches[i],mp,MS_FILE_PLAYER_ID);
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}
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return lsd;
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}
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#endif
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