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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.
*/
/*
* audiooutput-manager-ptlib.cpp - description
* ------------------------------------------
* begin : written in 2008 by Matthias Schneider
* copyright : (c) 2008 by Matthias Schneider
* description : declaration of the interface of a audiooutput core.
* A audioinput core manages AudioOutputManagers.
*
*/
#include "audiooutput-manager-ptlib.h"
#include "ptbuildopts.h"
#include "ptlib.h"
#include "utils.h"
#define DEVICE_TYPE "PTLIB"
GMAudioOutputManager_ptlib::GMAudioOutputManager_ptlib (Ekiga::ServiceCore & _core)
: core (_core)
{
current_state[Ekiga::primary].opened = false;
current_state[Ekiga::secondary].opened = false;
output_device[Ekiga::primary] = NULL;
output_device[Ekiga::secondary] = NULL;
}
GMAudioOutputManager_ptlib::~GMAudioOutputManager_ptlib ()
{
}
void GMAudioOutputManager_ptlib::get_devices(std::vector <Ekiga::AudioOutputDevice> & devices)
{
PStringArray audio_sources;
PStringArray audio_devices;
char **sources_array;
char **devices_array;
Ekiga::AudioOutputDevice 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::Player);
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 GMAudioOutputManager_ptlib::set_device (Ekiga::AudioOutputPS ps, const Ekiga::AudioOutputDevice & device)
{
if ( device.type == DEVICE_TYPE ) {
PTRACE(4, "GMAudioOutputManager_ptlib\tSetting Device[" << ps << "] " << device);
current_state[ps].device = device;
return true;
}
return false;
}
bool GMAudioOutputManager_ptlib::open (Ekiga::AudioOutputPS ps, unsigned channels, unsigned samplerate, unsigned bits_per_sample)
{
PTRACE(4, "GMAudioOutputManager_ptlib\tOpening Device " << current_state[ps].device);
PTRACE(4, "GMAudioOutputManager_ptlib\tOpening Device with " << channels << "-" << samplerate << "/" << bits_per_sample);
current_state[ps].channels = channels;
current_state[ps].samplerate = samplerate;
current_state[ps].bits_per_sample = bits_per_sample;
output_device[ps] = PSoundChannel::CreateOpenedChannel (current_state[ps].device.source,
#ifdef WIN32
utf2codepage (current_state[ps].device.name), // reencode back to codepage
#else
current_state[ps].device.name,
#endif
PSoundChannel::Player,
channels,
samplerate,
bits_per_sample);
Ekiga::AudioOutputErrorCodes error_code = Ekiga::AO_ERROR_NONE;
if (!output_device[ps])
error_code = Ekiga::AO_ERROR_DEVICE;
if (error_code != Ekiga::AO_ERROR_NONE) {
PTRACE(1, "GMAudioOutputManager_ptlib\tEncountered error " << error_code << " while opening device[" << ps << "]");
Ekiga::Runtime::run_in_main (boost::bind (&GMAudioOutputManager_ptlib::device_error_in_main, this, ps, current_state[ps].device, error_code));
return false;
}
unsigned volume;
output_device[ps]->GetVolume (volume);
current_state[ps].opened = true;
Ekiga::AudioOutputSettings settings;
settings.volume = volume;
settings.modifyable = true;
Ekiga::Runtime::run_in_main (boost::bind (&GMAudioOutputManager_ptlib::device_opened_in_main, this, ps, current_state[ps].device, settings));
return true;
}
void GMAudioOutputManager_ptlib::close(Ekiga::AudioOutputPS ps)
{
PTRACE(4, "GMAudioOutputManager_ptlib\tClosing device[" << ps << "] " << current_state[ps].device);
if (output_device[ps]) {
delete output_device[ps];
output_device[ps] = NULL;
}
current_state[ps].opened = false;
Ekiga::Runtime::run_in_main (boost::bind (&GMAudioOutputManager_ptlib::device_closed_in_main, this, ps, current_state[ps].device));
}
void GMAudioOutputManager_ptlib::set_buffer_size (Ekiga::AudioOutputPS ps, unsigned buffer_size, unsigned num_buffers)
{
PTRACE(4, "GMAudioOutputManager_ptlib\tSetting buffer size of device[" << ps << "] " << buffer_size << "/" << num_buffers);
if (output_device[ps])
output_device[ps]->SetBuffers (buffer_size, num_buffers);
}
bool GMAudioOutputManager_ptlib::set_frame_data (Ekiga::AudioOutputPS ps,
const char *data,
unsigned size,
unsigned & bytes_written)
{
bool ret = false;
bytes_written = 0;
if (!current_state[ps].opened) {
PTRACE(1, "GMAudioOutputManager_ptlib\tTrying to get frame from closed device[" << ps << "]");
return false;
}
if (output_device[ps]) {
if (size != 0)
ret = output_device[ps]->Write ((void*)data, size);
if (ret) {
bytes_written = output_device[ps]->GetLastWriteCount();
}
if (bytes_written != size) {
PTRACE(1, "GMAudioOutputManager_ptlib\tEncountered error while trying to write data");
Ekiga::Runtime::run_in_main (boost::bind (&GMAudioOutputManager_ptlib::device_error_in_main, this, ps, current_state[ps].device, Ekiga::AO_ERROR_WRITE));
}
}
return (ret || bytes_written == size);
}
void GMAudioOutputManager_ptlib::set_volume (Ekiga::AudioOutputPS ps, unsigned volume )
{
PTRACE(4, "GMAudioOutputManager_ptlib\tSetting volume of device [" << ps << "] to " << volume);
if (output_device[ps])
output_device[ps]->SetVolume(volume);
}
bool GMAudioOutputManager_ptlib::has_device(const std::string & sink, const std::string & device_name, Ekiga::AudioOutputDevice & device)
{
if (sink == "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_name;
return true;
}*/
return false;
}
void
GMAudioOutputManager_ptlib::device_opened_in_main (Ekiga::AudioOutputPS ps,
Ekiga::AudioOutputDevice device,
Ekiga::AudioOutputSettings settings)
{
device_opened (ps, device, settings);
}
void
GMAudioOutputManager_ptlib::device_closed_in_main (Ekiga::AudioOutputPS ps,
Ekiga::AudioOutputDevice device)
{
device_closed (ps, device);
}
void
GMAudioOutputManager_ptlib::device_error_in_main (Ekiga::AudioOutputPS ps,
Ekiga::AudioOutputDevice device,
Ekiga::AudioOutputErrorCodes code)
{
device_error (ps, device, code);
}
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