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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-ptlib.cpp - description
* ------------------------------------------
* begin : written in 2008 by Matthias Schneider
* copyright : (c) 2008 by Matthias Schneider
* description : declaration of a PTLIB audio input manager
*
*/
#include "audioinput-manager-ptlib.h"
#include "ptbuildopts.h"
#include "ptlib.h"
#include "utils.h"
#define DEVICE_TYPE "PTLIB"
GMAudioInputManager_ptlib::GMAudioInputManager_ptlib (Ekiga::ServiceCore & _core)
: core (_core)
{
current_state.opened = false;
input_device = NULL;
expectedFrameSize = 0;
}
GMAudioInputManager_ptlib::~GMAudioInputManager_ptlib ()
{
}
void GMAudioInputManager_ptlib::get_devices(std::vector <Ekiga::AudioInputDevice> & devices)
{
PStringArray audio_sources;
PStringArray audio_devices;
char **sources_array;
char **devices_array;
Ekiga::AudioInputDevice device;
device.type = DEVICE_TYPE;
audio_sources = PSoundChannel::GetDriverNames ();
sources_array = audio_sources.ToCharArray ();
for (PINDEX i = 0; sources_array[i] != NULL; i++) {
device.source = sources_array[i];
if ((device.source != "EKIGA") &&
(device.source != "WAVFile") &&
(device.source != "NullAudio")) {
audio_devices = PSoundChannel::GetDeviceNames (device.source, PSoundChannel::Recorder);
devices_array = audio_devices.ToCharArray ();
for (PINDEX j = 0; devices_array[j] != NULL; j++) {
#ifdef WIN32
/* Windows uses codepage encoding for device name, while ekiga uses utf-8 */
device.name = codepage2utf (devices_array[j]);
#else
device.name = devices_array[j];
#endif
devices.push_back(device);
}
free (devices_array);
}
}
free (sources_array);
}
bool GMAudioInputManager_ptlib::set_device (const Ekiga::AudioInputDevice & device)
{
if ( device.type == DEVICE_TYPE ) {
PTRACE(4, "GMAudioInputManager_ptlib\tSetting Device " << device);
current_state.device = device;
return true;
}
return false;
}
bool GMAudioInputManager_ptlib::open (unsigned channels, unsigned samplerate, unsigned bits_per_sample)
{
PTRACE(4, "GMAudioInputManager_ptlib\tOpening Device " << current_state.device);
PTRACE(4, "GMAudioInputManager_ptlib\tOpening Device with " << channels << "-" << samplerate << "/" << bits_per_sample);
current_state.channels = channels;
current_state.samplerate = samplerate;
current_state.bits_per_sample = bits_per_sample;
input_device = PSoundChannel::CreateOpenedChannel (current_state.device.source,
#ifdef WIN32
utf2codepage (current_state.device.name), // reencode back to codepage
#else
current_state.device.name,
#endif
PSoundChannel::Recorder,
channels,
samplerate,
bits_per_sample);
Ekiga::AudioInputErrorCodes error_code = Ekiga::AI_ERROR_NONE;
if (!input_device)
error_code = Ekiga::AI_ERROR_DEVICE;
if (error_code != Ekiga::AI_ERROR_NONE) {
PTRACE(1, "GMAudioInputManager_ptlib\tEncountered error " << error_code << " while opening device ");
Ekiga::Runtime::run_in_main (boost::bind (&GMAudioInputManager_ptlib::device_error_in_main, this, current_state.device, error_code));
return false;
}
unsigned volume;
input_device->GetVolume (volume);
current_state.opened = true;
Ekiga::AudioInputSettings settings;
settings.volume = volume;
settings.modifyable = true;
Ekiga::Runtime::run_in_main (boost::bind (&GMAudioInputManager_ptlib::device_opened_in_main, this, current_state.device, settings));
return true;
}
void GMAudioInputManager_ptlib::close()
{
PTRACE(4, "GMAudioInputManager_ptlib\tClosing device " << current_state.device);
if (input_device) {
delete input_device;
input_device = NULL;
}
current_state.opened = false;
Ekiga::Runtime::run_in_main (boost::bind (&GMAudioInputManager_ptlib::device_closed_in_main, this, current_state.device));
}
void GMAudioInputManager_ptlib::set_buffer_size (unsigned buffer_size, unsigned num_buffers)
{
PTRACE(4, "GMAudioInputManager_ptlib\tSetting buffer size to " << buffer_size << "/" << num_buffers);
if (input_device)
input_device->SetBuffers (buffer_size, num_buffers);
}
bool GMAudioInputManager_ptlib::get_frame_data (char *data,
unsigned size,
unsigned & bytes_read)
{
bool ret = false;
bytes_read = 0;
if (!current_state.opened) {
PTRACE(1, "GMAudioInputManager_ptlib\tTrying to get frame from closed device");
return false;
}
if (input_device) {
ret = input_device->Read ((void*)data, size);
if (ret) {
bytes_read = input_device->GetLastReadCount();
}
if (bytes_read != size) {
PTRACE(1, "GMAudioInputManager_ptlib\tRead " << bytes_read << " instead of " << size);
}
}
return (ret);
}
void GMAudioInputManager_ptlib::set_volume (unsigned volume)
{
PTRACE(4, "GMAudioInputManager_ptlib\tSetting volume to " << volume);
if (input_device)
input_device->SetVolume(volume);
}
bool GMAudioInputManager_ptlib::has_device(const std::string & source, const std::string & device_name, Ekiga::AudioInputDevice & device)
{
if (source == "alsa") {
device.type = DEVICE_TYPE;
device.source = "ALSA";
device.name = device_name;
return true;
}
/* if (source == "oss") {
device.type = DEVICE_TYPE;
device.source = "OSS";
device.device = device;
return true;
}*/
return false;
}
void
GMAudioInputManager_ptlib::device_error_in_main (Ekiga::AudioInputDevice device,
Ekiga::AudioInputErrorCodes code)
{
device_error (device, code);
}
void
GMAudioInputManager_ptlib::device_opened_in_main (Ekiga::AudioInputDevice device,
Ekiga::AudioInputSettings settings)
{
device_opened (device, settings);
}
void
GMAudioInputManager_ptlib::device_closed_in_main (Ekiga::AudioInputDevice device)
{
device_closed (device);
}
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