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125 lines
3.3 KiB
125 lines
3.3 KiB
/*
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* Copyright (C) 2008 iptego GmbH
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*
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* This file is part of SEMS, a free SIP media server.
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*
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* SEMS 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. This program is released under
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* the GPL with the additional exemption that compiling, linking,
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* and/or using OpenSSL is allowed.
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*
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* For a license to use the SEMS software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* SEMS 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _AmPrecodedFile_H
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#define _AmPrecodedFile_H
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#include "AmPlugIn.h"
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#include "AmSdp.h"
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#include "amci/amci.h"
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#include "AmAudioFile.h"
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#include "AmAudio.h"
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#include "AmRtpAudio.h"
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#include <string>
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#include <map>
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#define PRECODED_CODEC_ID 100 // could go into amci/codecs.h
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struct precoded_payload_t : public amci_payload_t {
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public:
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string c_name;
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string format_parameters;
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unsigned int frame_ms;
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unsigned int frame_bytes;
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string filename;
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precoded_payload_t() {codec_id = PRECODED_CODEC_ID;}
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};
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class AmPrecodedFileFormat : public AmAudioFileFormat {
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precoded_payload_t& precoded_payload;
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amci_subtype_t subtype;
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/* encoded frame size in bytes */
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//int frame_encoded_size;
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public:
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AmPrecodedFileFormat(precoded_payload_t& precoded_payload);
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~AmPrecodedFileFormat();
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amci_subtype_t* getSubtype() { return &subtype; }
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//int getFrameEncodedSize() { return frame_encoded_size; }
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};
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class AmPrecodedRtpFormat : public AmAudioRtpFormat
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{
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precoded_payload_t& precoded_payload;
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/* encoded frame size in bytes */
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//int frame_encoded_size;
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public:
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AmPrecodedRtpFormat(precoded_payload_t& precoded_payload);
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~AmPrecodedRtpFormat();
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//int getFrameEncodedSize() { return frame_encoded_size; }
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};
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class AmPrecodedFileInstance
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: public AmAudioFile {
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precoded_payload_t& precoded_payload;
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amci_inoutfmt_t m_iofmt;
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public:
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AmPrecodedFileInstance(precoded_payload_t& precoded_payload);
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~AmPrecodedFileInstance();
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AmPrecodedRtpFormat* getRtpFormat();
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int open();
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protected:
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AmAudioFileFormat* fileName2Fmt(const string& name, const string& subtype);
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};
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class AmPrecodedFile
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: public AmPayloadProvider {
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std::map<int,precoded_payload_t> payloads;
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public:
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AmPrecodedFile();
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~AmPrecodedFile();
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/** Open the file */
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int open(const std::string& filename);
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/** need to call after open() */
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void initPlugin();
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AmPrecodedFileInstance* getFileInstance(int payload_id);
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/** from @AmPayloadProvider */
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amci_payload_t* payload(int payload_id) const;
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int getDynPayload(const string& name, int rate, int encoding_param) const;
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void getPayloads(vector<SdpPayload>& pl_vec) const;
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};
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#endif
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