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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.
*/
/*
* opal-codec-description.cpp - description
* ------------------------------------------
* begin : written in January 2008 by Damien Sandras
* copyright : (c) 2008 by Damien Sandras
* description : Opal codec description.
*
*/
#include <algorithm>
#include <iostream>
#include <sstream>
#include "opal-codec-description.h"
using namespace Opal;
static bool
same_codec_desc (Ekiga::CodecDescription a, Ekiga::CodecDescription b)
{
return (a.name == b.name && a.rate == b.rate);
}
CodecDescription::CodecDescription (OpalMediaFormat & format)
: Ekiga::CodecDescription ()
{
name = (const char *) format.GetEncodingName ();
// if a codec does not have a IANA encoding name, use its name instead
// (it is the case for MS-IMA-ADPCM for ex.)
if (name.empty())
name = (const char *) format.GetName ();
if (name.empty()) {
PTRACE (1, "OpalCodecDescription\tError: found unnamed codec, it will not be used");
}
if (name == "G722") // G722 has the wrong rate in RFC
rate = 16000;
else
rate = format.GetClockRate ();
audio = (format.GetMediaType () == OpalMediaType::Audio ());
if (format.IsValidForProtocol ("SIP"))
protocols.push_back ("SIP");
if (format.IsValidForProtocol ("H.323"))
protocols.push_back ("H.323");
protocols.sort ();
}
CodecList::CodecList (OpalMediaFormatList & list)
{
for (PINDEX i = 0 ; i < list.GetSize () ; i++) {
if (list [i].IsTransportable ()) {
Ekiga::CodecDescription desc = Opal::CodecDescription (list [i]);
if (desc.name.empty ())
continue;
Ekiga::CodecList::iterator it =
search_n (begin (), end (), 1, desc, same_codec_desc);
if (it == end ())
append (desc);
else {
it->protocols.sort ();
it->protocols.merge (desc.protocols);
it->protocols.unique ();
}
}
}
}
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