int start_transmission(ToxWindow *self, Call *call)
{
if ( !self || !CallControl.av ) {
line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to prepare transmission");
return -1;
}
if (set_call(call, true) == -1)
return -1;
DeviceError error = open_primary_device(input, &call->in_idx,
CallControl.audio_sample_rate, CallControl.audio_frame_duration, CallControl.audio_channels);
if ( error != de_None ) {
if ( error == de_FailedStart)
line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to start input device");
if ( error == de_InternalError )
line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Internal error with opening input device");
}
if ( register_device_callback(self->num, call->in_idx,
read_device_callback, &self->num, true) != de_None)
/* Set VAD as true for all; TODO: Make it more dynamic */
line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to register input handler!");
if ( open_primary_device(output, &call->out_idx,
CallControl.audio_sample_rate, CallControl.audio_frame_duration, CallControl.audio_channels) != de_None ) {
line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to open output device!");
call->has_output = 0;
}
return 0;
}
int stop_transmission(Call *call, uint32_t friend_number)
{
if ( call->ttas ) {
TOXAV_ERR_CALL_CONTROL error = TOXAV_ERR_CALL_CONTROL_OK;
if ( CallControl.call_state != TOXAV_FRIEND_CALL_STATE_FINISHED )
toxav_call_control(CallControl.av, friend_number, TOXAV_CALL_CONTROL_CANCEL, &error);
if ( error == TOXAV_ERR_CALL_CONTROL_OK ) {
call->ttas = false;
if ( call->in_idx != -1 )
close_device(input, call->in_idx);
if ( call->out_idx != -1 )
close_device(output, call->out_idx);
if ( set_call(call, false) == -1 )
return -1;
return 0;
} else {
return -1;
}
}
return -1;
}
int start_transmission(ToxWindow *self)
{
if ( !ASettins.av || self->call_idx == -1 ) return -1;
/* Don't provide support for video */
if ( 0 != toxav_prepare_transmission(ASettins.av, self->call_idx, av_jbufdc * 2, av_VADd, 0) ) {
line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Could not prepare transmission");
}
if ( !toxav_capability_supported(ASettins.av, self->call_idx, AudioDecoding) ||
!toxav_capability_supported(ASettins.av, self->call_idx, AudioEncoding) )
return -1;
set_call(&ASettins.calls[self->call_idx], _True);
ToxAvCSettings csettings;
toxav_get_peer_csettings(ASettins.av, self->call_idx, 0, &csettings);
if ( open_primary_device(input, &ASettins.calls[self->call_idx].in_idx,
csettings.audio_sample_rate, csettings.audio_frame_duration, csettings.audio_channels) != de_None )
line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to open input device!");
if ( register_device_callback(self->call_idx, ASettins.calls[self->call_idx].in_idx,
read_device_callback, &self->call_idx, _True) != de_None)
/* Set VAD as true for all; TODO: Make it more dynamic */
line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to register input handler!");
if ( open_primary_device(output, &ASettins.calls[self->call_idx].out_idx,
csettings.audio_sample_rate, csettings.audio_frame_duration, csettings.audio_channels) != de_None ) {
line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to open output device!");
ASettins.calls[self->call_idx].has_output = 0;
}
return 0;
}
int stop_transmission(int call_index)
{
if ( ASettins.calls[call_index].ttas ) {
toxav_kill_transmission(ASettins.av, call_index);
ASettins.calls[call_index].ttas = _False;
if ( ASettins.calls[call_index].in_idx != -1 )
close_device(input, ASettins.calls[call_index].in_idx);
if ( ASettins.calls[call_index].out_idx != -1 )
close_device(output, ASettins.calls[call_index].out_idx);
set_call(&ASettins.calls[call_index], _False);
return 0;
}
return -1;
}
int stop_transmission(Call *call, int32_t call_index)
{
if ( call->ttas ) {
toxav_kill_transmission(ASettins.av, call_index);
call->ttas = false;
if ( call->in_idx != -1 )
close_device(input, call->in_idx);
if ( call->out_idx != -1 )
close_device(output, call->out_idx);
if (set_call(call, false) == -1)
return -1;
return 0;
}
return -1;
}
SEXP CallProxy::eval(){
if( TYPEOF(call) == LANGSXP ){
if( can_simplify(call) ){
SlicingIndex indices(0,subsets.nrows()) ;
while(simplified(indices)) ;
set_call(call) ;
}
int n = proxies.size() ;
for( int i=0; i<n; i++){
proxies[i].set( subsets[proxies[i].symbol] ) ;
}
return call.eval(env) ;
} else if( TYPEOF(call) == SYMSXP) {
// SYMSXP
if( subsets.count(call) ) return subsets.get_variable(call) ;
return call.eval(env) ;
}
return call ;
}
int start_transmission(ToxWindow *self)
{
if ( !ASettins.av || self->call_idx == -1 ) return -1;
/* Don't provide support for video */
if ( 0 != toxav_prepare_transmission(ASettins.av, self->call_idx, &ASettins.cs, 0) ) {
line_info_add(self, NULL, NULL, NULL, "Could not prepare transmission", SYS_MSG, 0, 0);
}
if ( !toxav_capability_supported(ASettins.av, self->call_idx, AudioDecoding) ||
!toxav_capability_supported(ASettins.av, self->call_idx, AudioEncoding) )
return -1;
set_call(&ASettins.calls[self->call_idx], _True);
if ( 0 != pthread_create(&ASettins.calls[self->call_idx].ttid, NULL, transmission, self ) &&
0 != pthread_detach(ASettins.calls[self->call_idx].ttid) ) {
return -1;
}
return 0;
}
void *transmission(void *arg)
{
#define lock pthread_mutex_lock(&this_call->mutex)
#define unlock pthread_mutex_unlock(&this_call->mutex)
ToxWindow* self = arg;
int32_t call_index = self->call_idx;
/* Missing audio support */
if ( !ASettins.av ) _cbend;
Call* this_call = &ASettins.calls[call_index];
int32_t dec_frame_len;
int16_t PCM[frame_size];
this_call->has_output = 1;
if ( open_primary_device(input, &this_call->in_idx) != de_None )
line_info_add(self, NULL, NULL, NULL, "Failed to open input device!", SYS_MSG, 0, 0);
if ( register_device_callback(call_index, this_call->in_idx, read_device_callback, &call_index, _True) != de_None)
/* Set VAD as true for all; TODO: Make it more dynamic */
line_info_add(self, NULL, NULL, NULL, "Failed to register input handler!", SYS_MSG, 0, 0);
if ( open_primary_device(output, &this_call->out_idx) != de_None ) {
line_info_add(self, NULL, NULL, NULL, "Failed to open output device!", SYS_MSG, 0, 0);
this_call->has_output = 0;
}
/* Start transmission */
while (this_call->ttas) {
lock;
if ( this_call->has_output ) {
if (playback_device_ready(this_call->out_idx) == de_Busy) {
unlock;
continue;
}
dec_frame_len = toxav_recv_audio(ASettins.av, call_index, frame_size, PCM);
/* Play the packet */
if (dec_frame_len > 0) {
write_out(this_call->out_idx, PCM, dec_frame_len, av_DefaultSettings.audio_channels);
}
else if (dec_frame_len != 0) {
/* >implying it'll ever get an error */
}
}
unlock;
usleep(1000);
}
cleanup:
if ( this_call->in_idx != -1 ) if ( close_device(input, this_call->in_idx) != de_None )
line_info_add(self, NULL, NULL, NULL, "Failed to close input device!", SYS_MSG, 0, 0);
if ( this_call->out_idx != -1 ) if ( close_device(output, this_call->out_idx) != de_None )
line_info_add(self, NULL, NULL, NULL, "Failed to close output device!", SYS_MSG, 0, 0);
set_call(this_call, _False);
_cbend;
}