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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.
*/
/*
* videooutput.cpp - description
* ------------------------------
* begin : Sat Feb 17 2001
* copyright : (C) 2000-2007 by Damien Sandras
* description : PVideoOutputDevice class to permit to display via
* GMVideoDisplay class
*
*/
#include <ptbuildopts.h>
#include <ptlib.h>
#include <opal/manager.h>
#include "opal-videooutput.h"
int PVideoOutputDevice_EKIGA::devices_nbr = 0;
PMutex PVideoOutputDevice_EKIGA::videoDisplay_mutex;
/* The Methods */
PVideoOutputDevice_EKIGA::PVideoOutputDevice_EKIGA (Ekiga::ServiceCore & _core)
: core (_core)
{
PWaitAndSignal m(videoDisplay_mutex); /* FIXME: if it's really needed
* then we may crash : it's wrong to
* use 'core' from a thread -- mutex
* or not mutex.
*/
videooutput_core = core.get<Ekiga::VideoOutputCore> ("videooutput-core");
is_active = FALSE;
/* Used to distinguish between input and output device. */
device_id = LOCAL;
}
PVideoOutputDevice_EKIGA::~PVideoOutputDevice_EKIGA()
{
PWaitAndSignal m(videoDisplay_mutex); /* FIXME: if it's really needed
* then we may crash : it's wrong to
* have played with 'core' from a thread
*/
if (is_active) {
devices_nbr--;
if (devices_nbr == 0)
videooutput_core->stop();
is_active = false;
}
}
bool
PVideoOutputDevice_EKIGA::Open (const PString &name,
G_GNUC_UNUSED bool unused)
{
if (name == "EKIGAIN") {
device_id = LOCAL;
} else { // EKIGAOUT
PString devname = name;
PINDEX id = devname.Find("ID=");
device_id = REMOTE + atoi(&devname[id + 3]);
}
return TRUE;
}
PStringArray PVideoOutputDevice_EKIGA::GetDeviceNames() const
{
PStringArray devlist;
devlist.AppendString(GetDeviceName());
return devlist;
}
bool PVideoOutputDevice_EKIGA::IsOpen ()
{
return TRUE;
}
bool PVideoOutputDevice_EKIGA::SetFrameData (unsigned x,
unsigned y,
unsigned width,
unsigned height,
const BYTE * data,
bool endFrame)
{
PWaitAndSignal m(videoDisplay_mutex);
if (x > 0 || y > 0)
return FALSE;
if (width < 160 || width > 2048)
return FALSE;
if (height <120 || height > 2048)
return FALSE;
if (!endFrame)
return FALSE;
if (!is_active) {
if (devices_nbr == 0) {
videooutput_core->start();
}
is_active = TRUE;
devices_nbr++;
}
videooutput_core->set_frame_data((const char*) data, width, height, device_id, devices_nbr);
return TRUE;
}
bool PVideoOutputDevice_EKIGA::SetColourFormat (const PString & colour_format)
{
if (colour_format == "YUV420P") {
return PVideoOutputDevice::SetColourFormat (colour_format);
}
return FALSE;
}
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