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// $Id$
#include "Audio_Control_State.h"
#include "Audio_Control_i.h"
ACE_RCSID(mpeg_server, Audio_Control_i, "$Id$")
Audio_Control_i::Audio_Control_i (void)
:audio_global_ (AUDIO_GLOBAL::instance ()),
reactor_ (TAO_ORB_Core_instance ()->reactor ())
{
}
int
Audio_Control_i::create_handlers (void)
{
ACE_NEW_RETURN (this->data_handler_,
Audio_Data_Handler (this->audio_global_->audioSocket,
this->audio_global_),
-1);
ACE_NEW_RETURN (this->sig_handler_,
Audio_Sig_Handler (this->audio_global_),
-1);
return 0;
}
CORBA::Boolean
Audio_Control_i::init_audio (const Audio_Control::INITaudioPara & para,
Audio_Control::INITaudioReply_out reply,
CORBA::Environment &env)
{
int result;
int failureType; /* 0 - can't open file, 1 - can't open live source */
for (int i=0 ; i< para.audiofile.length (); i++)
this->audio_global_->audioFile[i] = para.audiofile [i];
this->audio_global_->audioFile [i] = 0;
if (Mpeg_Global::session_num > Mpeg_Global::session_limit || para.version != VERSION)
return 0; // failure
memcpy(&(this->audio_global_->audioPara), ¶.para, sizeof(this->audio_global_->audioPara));
/*
fprintf(stderr, "Client Audio para: encode %d, ch %d, sps %d, bps %d.\n",
para.para.encodeType, para.para.channels,
para.para.samplesPerSecond, para.para.bytesPerSample);
*/
{
int len = strlen(this->audio_global_->audioFile);
if (strncasecmp("LiveAudio", this->audio_global_->audioFile, 9) &&
strcasecmp(".au", this->audio_global_->audioFile+len-3))
{
// ACE_ERROR_RETURN ((LM_ERROR,
// "(%p|%t) Audio_Control_i::init_audio () failed\n"),
// 0);
cerr << "init_audio failed in line " << __LINE__ << endl;
return 0;
}
}
ACE_DEBUG ((LM_DEBUG, "(%P|%t)Audio file %s got.\n", this->audio_global_->audioFile));
if (!strncasecmp("LiveAudio", this->audio_global_->audioFile, 9))
{
// May need to be uncommented for live audio.
// this->audio_global_->fd = OpenLiveAudio(&(para.para));
if (this->audio_global_->fd == -1) {
failureType = 1;
goto failure;
}
this->audio_global_->fileSize =0x7fffffff;
this->audio_global_->totalSamples = this->audio_global_->fileSize / this->audio_global_->audioPara.bytesPerSample;
this->audio_global_->live_source = 1;
}
else
{
LeaveLiveAudio();
this->audio_global_->fd = open(this->audio_global_->audioFile, O_RDONLY);
if (this->audio_global_->fd == -1)
{
ACE_ERROR ((LM_ERROR, "AS error on opening audio file %s,%p", this->audio_global_->audioFile));
failureType = 0;
goto failure;
}
/* Try to get this->audio_global_->audioFile format this->audio_global_->audioPara here */
/* figure out this->audio_global_->totalSamples */
this->audio_global_->fileSize = lseek(this->audio_global_->fd, 0L, SEEK_END);
lseek(this->audio_global_->fd, 0L, SEEK_SET);
this->audio_global_->totalSamples = this->audio_global_->fileSize / this->audio_global_->audioPara.bytesPerSample;
fprintf(stderr, "Total Samples=%d in audio file %ss.\n", this->audio_global_->totalSamples, this->audio_global_->audioFile);
}
reply.para.encodeType = this->audio_global_->audioPara.encodeType;
reply.para.channels = this->audio_global_->audioPara.channels;
reply.para.samplesPerSecond = this->audio_global_->audioPara.samplesPerSecond;
reply.para.bytesPerSample = this->audio_global_->audioPara.bytesPerSample;
reply.totalSamples = this->audio_global_->totalSamples;
reply.live = this->audio_global_->live_source;
reply.format = AUDIO_RAW;
return 1;
failure:
{
fprintf(stderr, "AS error: failed initializing audio file.\n");
return 0;
}
}
CORBA::Boolean
Audio_Control_i::play (const Audio_Control::PLAYPara & para,
CORBA::Long_out ats,
CORBA::Environment &env)
{
return this->state_->play (para,ats);
}
CORBA::Boolean
Audio_Control_i::speed (const Audio_Control::SPEEDPara & para,
CORBA::Environment &env)
{
return this->state_->speed (para);
}
CORBA::Boolean
Audio_Control_i::stop (CORBA::Long cmdsn,
CORBA::Environment &env)
{
return this->state_->stop (cmdsn);
}
CORBA::Boolean
Audio_Control_i::set_peer (char *&peer,
CORBA::Environment &env)
{
ACE_INET_Addr client_data_addr (peer);
// Data (UDP) Address of the client.
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) set_peer called: %s,%s,%d\n",
peer,
client_data_addr.get_host_addr (),
client_data_addr.get_port_number ()));
if (this->dgram_.open (client_data_addr) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"(%P|%t) UDP open failed: %p\n"),
-1);
ACE_INET_Addr server_data_addr;
// Data (UDP) Address of this server.
if (this->dgram_.get_local_addr
(server_data_addr) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"(%P|%t) UDP get_local_addr failed: %p\n"),
-1);
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) Audio_Server: My UDP port number is %d\n",
server_data_addr.get_port_number ()));
this->audio_global_->audioSocket = this->dgram_.get_handle ();
this->create_handlers () ; // very important.
if (this->register_handlers () == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"(%P|%t) Audio_Control_i::set_peer: register_handlers failed\n"),
-1);
ACE_DEBUG ((LM_DEBUG,"(%P|%t) set_peer: server port = %d\n",server_data_addr.get_port_number ()));
ACE_NEW_RETURN (peer,
char [BUFSIZ],
0);
server_data_addr.set (server_data_addr.get_port_number (),
server_data_addr.get_host_name ());
server_data_addr.addr_to_string (peer,
BUFSIZ);
return 1;
}
void
Audio_Control_i::close (CORBA::Environment &env)
{
this->state_->close ();
return;
}
int
Audio_Control_i::register_handlers (void)
{
int result;
// change the state of audio control to be waiting state
this->change_state (AUDIO_CONTROL_WAITING_STATE::instance ());
// Register the event handlers with the Reactor
// first the data handler, i.e. UDP
result = this->reactor_->register_handler (this->data_handler_,
ACE_Event_Handler::READ_MASK);
if (result < 0)
ACE_ERROR_RETURN ((LM_ERROR,
"(%P|%t) register_handler for data_handler failed\n"),
-1);
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) registered this->audio_global_->fd for data handler = (%d)\n",
this->data_handler_->get_handle ()));
// finally, the signal handler, for periodic transmission
// of packets
result = this->sig_handler_->register_handler ();
if (result < 0)
ACE_ERROR_RETURN ((LM_ERROR,
"(%P|%t) register_handler for sig_handler"
"failed!\n"),
-1);
return 0;
}
void
Audio_Control_i::change_state (Audio_Control_State *state)
{
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) Audio_Control_i::Changing to state %d\n",
state->get_state ()));
this->state_ = state;
}
// Returns the current state object .
Audio_Control_State *
Audio_Control_i::get_state (void)
{
return this->state_;
}
Audio_Control_i::~Audio_Control_i ()
{
delete this->data_handler_;
delete this->sig_handler_;
}
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