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60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/**
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* Copyright (C) 2004 Savoir-Faire Linux inc.
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* Author: Laurielle Lea <laurielle.lea@savoirfairelinux.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __CODEC_AUDIO_H__
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#define __CODEC_AUDIO_H__
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#include <string.h>
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using namespace std;
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typedef enum {
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PAYLOAD_CODEC_ULAW = 0,
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PAYLOAD_CODEC_GSM = 3,
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PAYLOAD_CODEC_ALAW = 8,
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PAYLOAD_CODEC_ILBC = 97,
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PAYLOAD_CODEC_SPEEX = 110
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} codecType;
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#define CODEC_ALAW std::string("G711a")
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#define CODEC_ULAW std::string("G711u")
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#define CODEC_GSM std::string("GSM")
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#define CODEC_ILBC std::string("iLBC")
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#define CODEC_SPEEX std::string("SPEEX")
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#define NB_CODECS 5
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class AudioCodec {
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public:
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AudioCodec (void);
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~AudioCodec (void);
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int handleCodecs[NB_CODECS];
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void noSupportedCodec (void);
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static int codecDecode (int, short *, unsigned char *, unsigned int);
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static int codecEncode (int, unsigned char *, short *, unsigned int);
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int matchPayloadCodec (std::string);
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char * rtpmapPayload (int);
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private:
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};
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#endif // __CODEC_AUDIO_H__
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