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sems/core/AmPrecodedFile.h

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2.9 KiB

/*
* $Id$
*
* Copyright (C) 2008 iptego GmbH
*
* This file is part of sems, a free SIP media server.
*
* sems 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
*
* For a license to use the ser software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* sems 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _AmPrecodedFile_H
#define _AmPrecodedFile_H
#include "AmPlugIn.h"
#include "AmSdp.h"
#include "amci/amci.h"
#include "AmAudioFile.h"
#include "AmAudio.h"
#include <string>
#include <map>
#define PRECODED_CODEC_ID 100 // could go into amci/codecs.h
struct precoded_payload_t : public amci_payload_t {
public:
string c_name;
string format_parameters;
unsigned int frame_ms;
unsigned int frame_bytes;
string filename;
};
class AmPrecodedFileFormat : public AmAudioFileFormat {
precoded_payload_t& precoded_payload;
amci_subtype_t subtype;
public:
AmPrecodedFileFormat(precoded_payload_t& precoded_payload);
~AmPrecodedFileFormat();
amci_subtype_t* getSubtype() { return &subtype; }
protected:
virtual int getCodecId();
};
class AmPrecodedRtpFormat : public AmAudioRtpFormat {
precoded_payload_t& precoded_payload;
public:
AmPrecodedRtpFormat(precoded_payload_t& precoded_payload,
const vector<SdpPayload *>& payloads);
~AmPrecodedRtpFormat();
protected:
int getCodecId();
};
class AmPrecodedFileInstance
: public AmAudioFile {
precoded_payload_t& precoded_payload;
const vector<SdpPayload*>& payloads;
amci_inoutfmt_t m_iofmt;
public:
AmPrecodedFileInstance(precoded_payload_t& precoded_payload,
const vector<SdpPayload*>& payloads);
~AmPrecodedFileInstance();
AmPrecodedRtpFormat* getRtpFormat();
int open();
protected:
AmAudioFileFormat* fileName2Fmt(const string& name);
};
class AmPrecodedFile
: public AmPayloadProviderInterface {
std::map<int,precoded_payload_t> payloads;
public:
AmPrecodedFile();
~AmPrecodedFile();
static void initPrecodedCodec();
int open(std::string filename);
amci_payload_t* payload(int payload_id);
int getDynPayload(const string& name, int rate, int encoding_param);
AmPrecodedFileInstance* getFileInstance(int payload_id, const vector<SdpPayload*>& m_payloads);
};
#endif