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/*
* Ekiga -- A VoIP and Video-Conferencing application
* Copyright (C) 2000-2009 Damien Sandras <dsandras@seconix.com>
* 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.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Ekiga is licensed under the GPL license and as a special exception, you
* have permission to link or otherwise combine this program with the
* programs OPAL, OpenH323 and PWLIB, and distribute the combination, without
* applying the requirements of the GNU GPL to the OPAL, OpenH323 and PWLIB
* programs, as long as you do follow the requirements of the GNU GPL for all
* the rest of the software thus combined.
*/
/*
* audioinput-manager-null.cpp - description
* ------------------------------------------
* begin : written in 2008 by Matthias Schneider
* copyright : (c) 2008 by Matthias Schneider
* description : declaration of a NULL audio input manager
*
*/
#include "audioinput-manager-null.h"
#define DEVICE_TYPE "Ekiga"
#define DEVICE_SOURCE "Ekiga"
#define DEVICE_NAME "SILENT"
#if DEBUG
#define DEBUG_ARG(a) a
#else
#define DEBUG_ARG(a)
#endif
GMAudioInputManager_null::GMAudioInputManager_null (Ekiga::ServiceCore & _core)
: core (_core)
{
current_state.opened = false;
}
GMAudioInputManager_null::~GMAudioInputManager_null ()
{
}
void
GMAudioInputManager_null::get_devices(std::vector <Ekiga::AudioInputDevice> & DEBUG_ARG(devices))
{
#if DEBUG
Ekiga::AudioInputDevice device;
device.type = DEVICE_TYPE;
device.source = DEVICE_SOURCE;
device.name = DEVICE_NAME;
devices.push_back(device);
#endif
}
bool
GMAudioInputManager_null::set_device (const Ekiga::AudioInputDevice & device)
{
if ( ( device.type == DEVICE_TYPE ) &&
( device.source == DEVICE_SOURCE) &&
( device.name == DEVICE_NAME) ) {
PTRACE(4, "GMAudioInputManager_null\tSetting Device " << device);
current_state.device = device;
return true;
}
return false;
}
bool
GMAudioInputManager_null::open (unsigned channels,
unsigned samplerate,
unsigned bits_per_sample)
{
PTRACE(4, "GMAudioInputManager_null\tOpening Device " << current_state.device);
PTRACE(4, "GMAudioInputManager_null\tOpening Device with " << channels << "-" << samplerate << "/" << bits_per_sample);
current_state.channels = channels;
current_state.samplerate = samplerate;
current_state.bits_per_sample = bits_per_sample;
current_state.opened = true;
adaptive_delay.Restart();
Ekiga::AudioInputSettings settings;
settings.volume = 0;
settings.modifyable = false;
Ekiga::Runtime::run_in_main (boost::bind (&GMAudioInputManager_null::device_opened_in_main, this, current_state.device, settings));
return true;
}
void
GMAudioInputManager_null::close()
{
current_state.opened = false;
Ekiga::Runtime::run_in_main (boost::bind (&GMAudioInputManager_null::device_closed_in_main, this, current_state.device));
}
bool
GMAudioInputManager_null::get_frame_data (char *data,
unsigned size,
unsigned & bytes_read)
{
if (!current_state.opened) {
PTRACE(1, "GMAudioInputManager_null\tTrying to get frame from closed device");
return true;
}
memset (data, 0, size);
bytes_read = size;
adaptive_delay.Delay(size * 8 / current_state.bits_per_sample * 1000 / current_state.samplerate);
return true;
}
bool
GMAudioInputManager_null::has_device(const std::string & /*source*/,
const std::string & /*device_name*/,
Ekiga::AudioInputDevice & /*device*/)
{
return false;
}
void
GMAudioInputManager_null::device_opened_in_main (Ekiga::AudioInputDevice device,
Ekiga::AudioInputSettings settings)
{
device_opened (device, settings);
}
void
GMAudioInputManager_null::device_closed_in_main (Ekiga::AudioInputDevice device)
{
device_closed (device);
}
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