iaxcall.cpp

/*
 *  Copyright (C) 2006-2007 Savoir-Faire Linux inc.
 *  Author: Alexandre Bourget <alexandre.bourget@savoirfairelinux.com>
 *  Author: Yan Morin <yan.morin@savoirfairelinux.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 3 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "iaxcall.h"
#include "global.h" // for _debug

IAXCall::IAXCall (const CallID& id, Call::CallType type) : Call (id, type), _session (NULL)
{
}

IAXCall::~IAXCall()
{
    _session = NULL; // just to be sure to don't have unknown pointer, do not delete it!
}

void
IAXCall::setFormat (int format)
{
    _format = format;

    switch (format) {

        case AST_FORMAT_ULAW:
            setAudioCodec (PAYLOAD_CODEC_ULAW);
            break;

        case AST_FORMAT_GSM:
            setAudioCodec (PAYLOAD_CODEC_GSM);
            break;

        case AST_FORMAT_ALAW:
            setAudioCodec (PAYLOAD_CODEC_ALAW);
            break;

        case AST_FORMAT_ILBC:
            setAudioCodec (PAYLOAD_CODEC_ILBC_20);
            break;

        case AST_FORMAT_SPEEX:
            setAudioCodec (PAYLOAD_CODEC_SPEEX_8000);
            break;

        default:
            setAudioCodec ( (AudioCodecType) -1);
            break;
    }
}


int
IAXCall::getSupportedFormat()
{
    CodecOrder map;
    int format = 0;
    unsigned int iter;

    map = getCodecMap().getActiveCodecs();

    for (iter=0 ; iter < map.size() ; iter++) {
        switch (map[iter]) {

            case PAYLOAD_CODEC_ULAW:
                format |= AST_FORMAT_ULAW;
                break;

            case PAYLOAD_CODEC_GSM:
                format |= AST_FORMAT_GSM;
                break;

            case PAYLOAD_CODEC_ALAW:
                format |= AST_FORMAT_ALAW;
                break;

            case PAYLOAD_CODEC_ILBC_20:
                format |= AST_FORMAT_ILBC;
                break;

            case PAYLOAD_CODEC_SPEEX_8000:
                format |= AST_FORMAT_SPEEX;
                break;

            default:
                break;
        }
    }

    return format;

}

int
IAXCall::getFirstMatchingFormat (int needles)
{
    CodecOrder map = getCodecMap().getActiveCodecs();
    int format = 0;
    unsigned int iter;

    for (iter=0 ; iter < map.size() ; iter++) {
        switch (map[iter]) {

            case PAYLOAD_CODEC_ULAW:
                format = AST_FORMAT_ULAW;
                break;

            case PAYLOAD_CODEC_GSM:
                format = AST_FORMAT_GSM;
                break;

            case PAYLOAD_CODEC_ALAW:
                format = AST_FORMAT_ALAW;
                break;

            case PAYLOAD_CODEC_ILBC_20:
                format = AST_FORMAT_ILBC;
                break;

            case PAYLOAD_CODEC_SPEEX_8000:
                format = AST_FORMAT_SPEEX;
                break;

            default:
                break;
        }

        // Return the first that matches
        if (format & needles)
            return format;

    }

    return 0;
}

CodecDescriptor& IAXCall::getCodecMap()
{
    return _codecMap;
}

AudioCodecType IAXCall::getAudioCodec()
{
    return _audioCodec;
}