void ms_qdispatcher_init(MSQdispatcher *obj)
{
ms_filter_init(MS_FILTER(obj));
MS_FILTER(obj)->inqueues=obj->q_inputs;
MS_FILTER(obj)->outqueues=obj->q_outputs;
memset(obj->q_inputs,0,sizeof(MSQueue*)*MS_QDISPATCHER_MAX_INPUTS);
memset(obj->q_outputs,0,sizeof(MSQueue*)*MS_QDISPATCHER_MAX_OUTPUTS);
}
/* FOR INTERNAL USE*/
void ms_MULAWdecoder_init(MSMULAWDecoder *r)
{
ms_filter_init(MS_FILTER(r));
MS_FILTER(r)->infifos=r->f_inputs;
MS_FILTER(r)->outfifos=r->f_outputs;
MS_FILTER(r)->r_mingran=MULAW_DECODER_RMAXGRAN;
memset(r->f_inputs,0,sizeof(MSFifo*)*MSMULAWDECODER_MAX_INPUTS);
memset(r->f_outputs,0,sizeof(MSFifo*)*MSMULAWDECODER_MAX_INPUTS);
}
/**
* ms_ring_player_new:
* @name: The path to the 16-bit 8khz raw file to be played as a ring.
* @seconds: The number of seconds that separates two rings.
*
* Allocates a new MSRingPlayer object.
*
*
* Returns: a pointer the the object, NULL if name could not be open.
*/
MSFilter * ms_ring_player_new(char *name, gint seconds)
{
MSRingPlayer *r;
int fd=-1;
if ((name!=NULL) && (strlen(name)!=0))
{
fd=open(name,O_RDONLY);
if (fd<0)
{
g_warning("ms_ring_player_new: failed to open %s.\n",name);
return NULL;
}
}else {
g_warning("ms_ring_player_new: Bad file name");
return NULL;
}
r=g_new(MSRingPlayer,1);
ms_ring_player_init(r);
if (ms_ring_player_class==NULL)
{
ms_ring_player_class=g_new(MSRingPlayerClass,1);
ms_ring_player_class_init(ms_ring_player_class);
}
MS_FILTER(r)->klass=MS_FILTER_CLASS(ms_ring_player_class);
r->fd=fd;
r->silence=seconds;
r->freq=8000;
if (strstr(name,".wav")!=NULL){
wave_header_t header;
int freq,freq2;
/* read the header */
read(fd,&header,sizeof(wave_header_t));
freq=wave_header_get_rate(&header);
if ((freq2=freq_is_supported(freq))>0){
r->freq=freq2;
}else {
g_warning("Unsupported sampling rate %i",freq);
r->freq=8000;
}
r->channel=wave_header_get_channel(&header);
lseek(fd,WAVE_HEADER_OFFSET,SEEK_SET);
#ifdef WORDS_BIGENDIAN
r->need_swap=1;
#else
r->need_swap=0;
#endif
}
ms_ring_player_set_property(r, MS_FILTER_PROPERTY_FREQ,&r->freq);
r->state=PLAY_RING;
return(MS_FILTER(r));
}
void ms_speex_dec_init(MSSpeexDec *obj)
{
ms_filter_init(MS_FILTER(obj));
obj->initialized=0;
MS_FILTER(obj)->outfifos=obj->outf;
MS_FILTER(obj)->inqueues=obj->inq;
obj->outf[0]=NULL;
obj->inq[0]=NULL;
obj->frequency=8000; /*default value */
}
/* FOR INTERNAL USE*/
void ms_ring_player_init(MSRingPlayer *r)
{
ms_filter_init(MS_FILTER(r));
MS_FILTER(r)->outfifos=r->foutputs;
MS_FILTER(r)->outqueues=r->qoutputs;
memset(r->foutputs,0,sizeof(MSFifo*)*MS_RING_PLAYER_MAX_OUTPUTS);
memset(r->qoutputs,0,sizeof(MSQueue*)*MS_RING_PLAYER_MAX_OUTPUTS);
r->fd=-1;
r->current_pos=0;
r->need_swap=0;
r->sync=NULL;
}
MSFilter * ms_qdispatcher_new(void)
{
MSQdispatcher *obj;
obj=g_malloc(sizeof(MSQdispatcher));
if (ms_qdispatcher_class==NULL){
ms_qdispatcher_class=g_malloc0(sizeof(MSQdispatcherClass));
ms_qdispatcher_class_init(ms_qdispatcher_class);
}
MS_FILTER(obj)->klass=MS_FILTER_CLASS(ms_qdispatcher_class);
ms_qdispatcher_init(obj);
return MS_FILTER(obj);
}
/* FOR INTERNAL USE*/
void ms_read_init(MSRead *r)
{
ms_filter_init(MS_FILTER(r));
MS_FILTER(r)->outfifos=r->foutputs;
MS_FILTER(r)->outqueues=r->qoutputs;
memset(r->foutputs,0,sizeof(MSFifo*)*MSREAD_MAX_OUTPUTS);
memset(r->qoutputs,0,sizeof(MSQueue*)*MSREAD_MAX_OUTPUTS);
r->fd=-1;
r->gran=320;
r->state=MS_READ_STATE_STOPPED;
r->need_swap=0;
r->rate=8000;
}
MSFilter * ms_speex_dec_new()
{
MSSpeexDec *obj=g_new(MSSpeexDec,1);
if (ms_speex_dec_class==NULL){
ms_speex_dec_class=g_new(MSSpeexDecClass,1);
ms_speex_dec_class_init(ms_speex_dec_class);
}
MS_FILTER(obj)->klass=MS_FILTER_CLASS(ms_speex_dec_class);
ms_speex_dec_init(obj);
return MS_FILTER(obj);
}
MSFilter * ms_ilbc_encoder_new(void)
{
MSILBCEncoder *r;
r=g_new(MSILBCEncoder,1);
ms_ilbc_encoder_init(r);
if (ms_ilbc_encoder_class==NULL)
{
ms_ilbc_encoder_class=g_new(MSILBCEncoderClass,1);
ms_ilbc_encoder_class_init(ms_ilbc_encoder_class);
}
MS_FILTER(r)->klass=MS_FILTER_CLASS(ms_ilbc_encoder_class);
return(MS_FILTER(r));
}
void ms_rtp_send_init(MSRtpSend *r)
{
ms_filter_init(MS_FILTER(r));
MS_FILTER(r)->infifos=r->f_inputs;
MS_FILTER(r)->inqueues=r->q_inputs;
MS_FILTER(r)->r_mingran=MSRTPSEND_DEF_GRAN;
memset(r->f_inputs,0,sizeof(MSFifo*)*MSRTPSEND_MAX_INPUTS);
memset(r->q_inputs,0,sizeof(MSFifo*)*MSRTPSEND_MAX_INPUTS);
r->rtpsession=NULL;
r->ts=0;
r->ts_inc=0;
r->flags=0;
r->delay=0;
}
/* FOR INTERNAL USE*/
void ms_ilbc_encoder_init(MSILBCEncoder *r)
{
/* default bitrate */
r->bitrate = 15200;
r->ms_per_frame = 20;
r->samples_per_frame = BLOCKL_20MS;
r->bytes_per_compressed_frame = NO_OF_BYTES_20MS;
ms_filter_init(MS_FILTER(r));
MS_FILTER(r)->infifos=r->f_inputs;
MS_FILTER(r)->outqueues=r->q_outputs;
MS_FILTER(r)->r_mingran= (r->samples_per_frame * 2);
memset(r->f_inputs,0,sizeof(MSFifo*)*MSILBCENCODER_MAX_INPUTS);
memset(r->q_outputs,0,sizeof(MSFifo*)*MSILBCENCODER_MAX_INPUTS);
}
MSFilter * ms_rtp_send_new(void)
{
MSRtpSend *r;
r=g_new(MSRtpSend,1);
if (ms_rtp_send_class==NULL)
{
ms_rtp_send_class=g_new(MSRtpSendClass,1);
ms_rtp_send_class_init(ms_rtp_send_class);
}
MS_FILTER(r)->klass=MS_FILTER_CLASS(ms_rtp_send_class);
ms_rtp_send_init(r);
return(MS_FILTER(r));
}
void ms_read_process(MSRead *r)
{
MSFifo *f;
MSQueue *q;
MSMessage *msg=NULL;
int err;
gint gran=r->gran;
void *p;
f=r->foutputs[0];
if ((f!=NULL) && (r->state==MS_READ_STATE_STARTED))
{
ms_fifo_get_write_ptr(f,gran,&p);
if (p!=NULL)
{
err=read(r->fd,p,gran);
if (err<0)
{
/* temp: */
g_warning("ms_read_process: failed to read: %s.\n",strerror(errno));
}
else if (err<gran){
ms_trace("ms_read_process: end of file.");
ms_filter_notify_event(MS_FILTER(r),MS_READ_EVENT_EOF,NULL);
r->state=MS_READ_STATE_STOPPED;
close(r->fd);
r->fd=-1;
}
if (r->need_swap) swap_buffer(p,gran);
}
}
/* process output queues*/
q=r->qoutputs[0];
if ((q!=NULL) && (r->fd>0))
{
msg=ms_message_new(r->gran);
err=read(r->fd,msg->data,r->gran);
if (err>0){
msg->size=err;
ms_queue_put(q,msg);
if (r->need_swap) swap_buffer(msg->data,r->gran);
}else{
ms_filter_notify_event(MS_FILTER(r),MS_READ_EVENT_EOF,NULL);
ms_trace("End of file reached.");
r->state=MS_READ_STATE_STOPPED;
}
}
}
MSFilter * ms_read_new(char *name)
{
MSRead *r;
int fd=-1;
r=g_new(MSRead,1);
ms_read_init(r);
if (ms_read_class==NULL)
{
ms_read_class=g_new(MSReadClass,1);
ms_read_class_init(ms_read_class);
}
MS_FILTER(r)->klass=MS_FILTER_CLASS(ms_read_class);
r->fd=-1;
if (name!=NULL) ms_read_open(r,name);
return(MS_FILTER(r));
}
void ms_rtp_send_process(MSRtpSend *r)
{
MSFifo *fi;
MSQueue *qi;
MSSync *sync= r->sync;
int gran=ms_sync_get_samples_per_tick(sync);
guint32 ts;
void *s;
guint skip;
guint32 synctime=sync->time;
g_return_if_fail(gran>0);
if (r->rtpsession==NULL) return;
ms_filter_lock(MS_FILTER(r));
skip=r->delay!=0;
if (skip) r->delay--;
/* process output fifo and output queue*/
fi=r->f_inputs[0];
if (fi!=NULL)
{
ts=get_new_timestamp(r,synctime);
/* try to read r->packet_size bytes and send them in a rtp packet*/
ms_fifo_get_read_ptr(fi,r->packet_size,&s);
if (!skip){
rtp_session_send_with_ts(r->rtpsession,s,r->packet_size,ts);
ms_trace("len=%i, ts=%i ",r->packet_size,ts);
}
}
qi=r->q_inputs[0];
if (qi!=NULL)
{
MSMessage *msg;
/* read a MSMessage and send it through the network*/
while ( (msg=ms_queue_get(qi))!=NULL){
ts=get_new_timestamp(r,synctime);
if (!skip) {
/*g_message("Sending packet with ts=%u",ts);*/
rtp_session_send_with_ts(r->rtpsession,msg->data,msg->size,ts);
}
ms_message_destroy(msg);
}
}
ms_filter_unlock(MS_FILTER(r));
}
void ms_rtp_send_set_timing(MSRtpSend *r, guint32 ts_inc, gint payload_size)
{
r->ts_inc=ts_inc;
r->packet_size=payload_size;
if (r->ts_inc!=0) r->flags|=RTPSEND_CONFIGURED;
else r->flags&=~RTPSEND_CONFIGURED;
MS_FILTER(r)->r_mingran=payload_size;
/*g_message("ms_rtp_send_set_timing: ts_inc=%i",ts_inc);*/
}
gint ms_rtp_send_dtmf(MSRtpSend *r, gchar dtmf)
{
gint res;
if (r->rtpsession==NULL) return -1;
if (rtp_session_telephone_events_supported(r->rtpsession)==-1){
g_warning("ERROR : telephone events not supported.\n");
return -1;
}
ms_filter_lock(MS_FILTER(r));
g_message("Sending DTMF.");
res=rtp_session_send_dtmf(r->rtpsession, dtmf, r->ts);
if (res==0){
/* //r->ts+=r->ts_inc; */
r->delay+=2;
}else g_warning("Could not send dtmf.");
ms_filter_unlock(MS_FILTER(r));
return res;
}
void ms_ring_player_process(MSRingPlayer *r)
{
MSFifo *f;
gint err;
gint processed=0;
gint gran=r->gran;
char *p;
g_return_if_fail(gran>0);
/* process output fifos*/
f=r->foutputs[0];
ms_fifo_get_write_ptr(f,gran,(void**)&p);
g_return_if_fail(p!=NULL);
for (processed=0;processed<gran;){
switch(r->state){
case PLAY_RING:
err=read(r->fd,&p[processed],gran-processed);
if (err<0)
{
memset(&p[processed],0,gran-processed);
processed=gran;
g_warning("ms_ring_player_process: failed to read: %s.\n",strerror(errno));
return;
}
else if (err<gran)
{/* end of file */
r->current_pos=r->silence_bytes;
lseek(r->fd,WAVE_HEADER_OFFSET,SEEK_SET);
r->state=PLAY_SILENCE;
ms_filter_notify_event(MS_FILTER(r),MS_RING_PLAYER_END_OF_RING_EVENT,NULL);
}
if (r->need_swap) swap_buffer(&p[processed],err);
processed+=err;
break;
case PLAY_SILENCE:
err=gran-processed;
if (r->current_pos>err){
memset(&p[processed],0,err);
r->current_pos-=gran;
processed=gran;
}else{
memset(&p[processed],0,r->current_pos);
processed+=r->current_pos;
r->state=PLAY_RING;
}
break;
}
}
}
void ms_rtp_send_setup(MSRtpSend *r, MSSync *sync)
{
MSFilter *codec;
MSCodecInfo *info;
r->sync=sync;
codec=ms_filter_search_upstream_by_type(MS_FILTER(r),MS_FILTER_AUDIO_CODEC);
if (codec==NULL) codec=ms_filter_search_upstream_by_type(MS_FILTER(r),MS_FILTER_VIDEO_CODEC);
if (codec==NULL){
g_warning("ms_rtp_send_setup: could not find upstream codec.");
return;
}
info=MS_CODEC_INFO(codec->klass->info);
if (info->info.type==MS_FILTER_AUDIO_CODEC){
int ts_inc=info->fr_size/2;
int psize=info->dt_size;
if (ts_inc==0){
/* dont'use the normal frame size: this is a variable frame size codec */
/* use the MS_FILTER(codec)->r_mingran */
ts_inc=MS_FILTER(codec)->r_mingran/2;
psize=0;
}
ms_rtp_send_set_timing(r,ts_inc,psize);
}
}
void ms_ilbc_encoder_setup(MSILBCEncoder *r)
{
MSFilterClass *klass = NULL;
switch (r->ms_per_frame) {
case 20:
r->samples_per_frame = BLOCKL_20MS;
r->bytes_per_compressed_frame = NO_OF_BYTES_20MS;
break;
case 30:
r->samples_per_frame = BLOCKL_30MS;
r->bytes_per_compressed_frame = NO_OF_BYTES_30MS;
break;
default:
g_error("Bad bitrate value (%i) for ilbc encoder!", r->ms_per_frame);
break;
}
MS_FILTER(r)->r_mingran= (r->samples_per_frame * 2);
g_message("Using ilbc encoder with %i ms frames mode.",r->ms_per_frame);
initEncode(&r->ilbc_enc, r->ms_per_frame /* ms frames */);
}