![paulc](/assets/img/avatar_default.png)
Copy back the peerid if the outbound call starts. git-svn-id: http://yate.null.ro/svn/yate/trunk@4606 acf43c95-373e-0410-b603-e72c3f656dc1
1260 lines
33 KiB
C++
1260 lines
33 KiB
C++
/**
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* tonegen.cpp
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* This file is part of the YATE Project http://YATE.null.ro
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*
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* Tones generator
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*
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* Yet Another Telephony Engine - a fully featured software PBX and IVR
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* Copyright (C) 2004-2006 Null Team
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <yatephone.h>
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#include <string.h>
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#include <stdlib.h>
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#include <math.h>
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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// 40ms silence, 120ms tone, 40ms silence, total 200ms - slow but safe
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#define DTMF_LEN 960
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#define DTMF_GAP 320
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using namespace TelEngine;
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namespace { // anonymous
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static ObjList tones;
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static ObjList datas;
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typedef struct {
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int nsamples;
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const short* data;
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bool repeat;
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} Tone;
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class ToneDesc : public String
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{
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public:
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ToneDesc(const Tone* tone, const String& name,
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const String& prefix = String::empty());
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~ToneDesc();
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inline const Tone* tones() const
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{ return m_tones; }
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inline bool repeatAll() const
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{ return m_repeatAll; }
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// Init this tone description from comma separated list of tone data
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bool setTones(const String& desc);
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// Tone name/alias match.
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// Set name to this object's name if true is returned and alias matches
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bool isName(String& name) const;
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// Build tones from a list
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static void buildTones(const String& name, const NamedList& list);
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private:
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inline void clearTones() {
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if (m_tones && m_ownTones)
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delete[] m_tones;
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m_tones = 0;
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m_ownTones = true;
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toneListChanged();
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}
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// Called when tones list changed to update data
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void toneListChanged();
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String m_alias; // Tone name alias
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Tone* m_tones; // Tones array. Ends with an invalid one (zero)
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bool m_ownTones; // Clear tones when reset/destroyed
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bool m_repeatAll; // True if all tones repeated
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};
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class ToneData : public GenObject
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{
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public:
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ToneData(const char* desc);
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inline ToneData(int f1, int f2 = 0, bool modulated = false)
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: m_f1(f1), m_f2(f2), m_mod(modulated), m_data(0)
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{ }
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inline ToneData(const ToneData& original)
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: GenObject(),
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m_f1(original.f1()), m_f2(original.f2()),
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m_mod(original.modulated()), m_data(0)
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{ }
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virtual ~ToneData();
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inline int f1() const
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{ return m_f1; }
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inline int f2() const
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{ return m_f2; }
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inline bool modulated() const
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{ return m_mod; }
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inline bool valid() const
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{ return m_f1 != 0; }
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inline bool equals(int f1, int f2) const
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{ return (m_f1 == f1) && (m_f2 == f2); }
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inline bool equals(const ToneData& other) const
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{ return (m_f1 == other.f1()) && (m_f2 == other.f2()); }
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const short* data();
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static ToneData* getData(const char* desc);
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// Decode a tone description from [!]desc[/duration]
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// Build a tone data if needded
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// Return true on success
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static bool decode(const String& desc, int& samples, const short*& data,
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bool& repeat);
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private:
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bool parse(const char* desc);
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int m_f1;
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int m_f2;
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bool m_mod;
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const short* m_data;
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};
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class ToneSource : public ThreadedSource
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{
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public:
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virtual void destroyed();
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virtual void run();
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inline const String& name()
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{ return m_name; }
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bool startup();
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static ToneSource* getTone(String& tone, const String& prefix);
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static const ToneDesc* getBlock(String& tone, const String& prefix, bool oneShot = false);
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static Tone* buildCadence(const String& desc);
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static Tone* buildDtmf(const String& dtmf, int len = DTMF_LEN, int gap = DTMF_GAP);
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protected:
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ToneSource(const ToneDesc* tone = 0);
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virtual bool noChan() const
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{ return false; }
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virtual void cleanup();
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void advanceTone(const Tone*& tone);
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static const ToneDesc* getBlock(String& tone, const ToneDesc* table);
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static const ToneDesc* findToneDesc(String& tone, const String& prefix);
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String m_name;
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const Tone* m_tone;
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int m_repeat;
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bool m_firstPass;
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private:
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DataBlock m_data;
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unsigned m_brate;
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unsigned m_total;
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u_int64_t m_time;
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};
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class TempSource : public ToneSource
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{
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public:
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TempSource(String& desc, const String& prefix, DataBlock* rawdata);
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virtual ~TempSource();
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protected:
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virtual bool noChan() const
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{ return true; }
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private:
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Tone* m_single;
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DataBlock* m_rawdata; // Raw linear data to be sent
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};
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class ToneChan : public Channel
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{
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public:
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ToneChan(String& tone, const String& prefix);
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~ToneChan();
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bool attachConsumer(const char* consumer);
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};
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class AttachHandler : public MessageHandler
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{
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public:
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AttachHandler() : MessageHandler("chan.attach") { }
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virtual bool received(Message& msg);
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};
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class ToneGenDriver : public Driver
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{
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public:
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ToneGenDriver();
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~ToneGenDriver();
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virtual void initialize();
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virtual bool msgExecute(Message& msg, String& dest);
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protected:
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void statusModule(String& str);
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void statusParams(String& str);
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private:
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AttachHandler* m_handler;
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};
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INIT_PLUGIN(ToneGenDriver);
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static ObjList s_toneDesc; // List of configured tones
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static ObjList s_defToneDesc; // List of default tones
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static String s_defLang; // Default tone language
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static const String s_default = "itu";
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// 421.052Hz (19 samples @ 8kHz) sine wave, pretty close to standard 425Hz
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static const short tone421hz[] = {
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19,
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3246, 6142, 8371, 9694, 9965, 9157, 7357, 4759, 1645,
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-1645, -4759, -7357, -9157, -9965, -9694, -8371, -6142, -3246,
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0 };
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// 1000Hz (8 samples @ 8kHz) standard digital milliwatt
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static const short tone1000hz[] = {
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8,
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8828, 20860, 20860, 8828,
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-8828, -20860, -20860, -8828
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};
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// 941.176Hz (2*8.5 samples @ 8kHz) sine wave, approximates 950Hz
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static const short tone941hz[] = {
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17,
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6736, 9957, 7980, 1838, -5623, -9617, -8952, -3614,
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3614, 8952, 9617, 5623, -1838, -7980, -9957, -6736,
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0 };
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// 1454.545Hz (2*5.5 samples @ 8kHz) sine wave, approximates 1400Hz
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static const short tone1454hz[] = {
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11,
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9096, 7557, -2816, -9898, -5407,
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5407, 9898, 2816, -7557, -9096,
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0 };
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// 1777.777Hz (2*4.5 samples @ 8kHz) sine wave, approximates 1800Hz
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static const short tone1777hz[] = {
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9,
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9848, 3420, -8659, -6429,
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6429, 8659, -3420, -9848,
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0 };
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static const Tone t_dial[] = { { 8000, tone421hz, true }, { 0, 0 } };
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static const Tone t_busy[] = { { 4000, tone421hz, true }, { 4000, 0, true }, { 0, 0 } };
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static const Tone t_specdial[] = { { 7600, tone421hz, true }, { 400, 0, true }, { 0, 0 } };
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static const Tone t_ring[] = { { 8000, tone421hz, true }, { 32000, 0, true }, { 0, 0 } };
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static const Tone t_congestion[] = { { 2000, tone421hz, true }, { 2000, 0, true }, { 0, 0 } };
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static const Tone t_outoforder[] = {
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{ 800, tone421hz, true }, { 800, 0, true },
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{ 800, tone421hz, true }, { 800, 0, true },
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{ 800, tone421hz, true }, { 800, 0, true },
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{ 1600, tone421hz, true }, { 1600, 0, true },
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{ 0, 0 } };
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static const Tone t_callwait[] = {
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{ 160, 0, true },
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{ 800, tone421hz, true }, { 800, 0, true }, { 800, tone421hz, true },
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{ 160, 0, true },
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{ 0, 0 } };
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static const Tone t_info[] = {
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{ 2640, tone941hz, true }, { 240, 0, true },
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{ 2640, tone1454hz, true }, { 240, 0, true },
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{ 2640, tone1777hz, true }, { 8000, 0, true },
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{ 0, 0 } };
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static const Tone t_mwatt[] = { { 8000, tone1000hz, true }, { 0, 0 } };
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static const Tone t_silence[] = { { 8000, 0, true }, { 0, 0 } };
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static const Tone t_noise[] = { { 2000, ToneData::getData("noise")->data(), true }, { 0, 0 } };
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#define MAKE_DTMF(s) { \
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{ DTMF_GAP, 0, true }, \
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{ DTMF_LEN, ToneData::getData(s)->data(), true }, \
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{ DTMF_GAP, 0, true }, \
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{ 0, 0 } \
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}
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static const Tone t_dtmf[][4] = {
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MAKE_DTMF("1336+941"),
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MAKE_DTMF("1209+697"),
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MAKE_DTMF("1336+697"),
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MAKE_DTMF("1477+697"),
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MAKE_DTMF("1209+770"),
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MAKE_DTMF("1336+770"),
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MAKE_DTMF("1477+770"),
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MAKE_DTMF("1209+852"),
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MAKE_DTMF("1336+852"),
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MAKE_DTMF("1477+852"),
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MAKE_DTMF("1209+941"),
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MAKE_DTMF("1477+941"),
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MAKE_DTMF("1633+697"),
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MAKE_DTMF("1633+770"),
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MAKE_DTMF("1633+852"),
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MAKE_DTMF("1633+941")
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};
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#undef MAKE_DTMF
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#define MAKE_PROBE(s) { \
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{ 8000, ToneData::getData(s)->data(), true }, \
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{ 0, 0 } \
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}
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static const Tone t_probes[][2] = {
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MAKE_PROBE("2000+125"),
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MAKE_PROBE("2000*125"),
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MAKE_PROBE("2000*1000"),
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MAKE_PROBE("2010"),
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MAKE_PROBE("1780"),
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};
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#undef MAKE_PROBE
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static const ToneDesc s_descOne[] = {
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ToneDesc(t_callwait,"callwaiting"),
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ToneDesc(t_dtmf[0],"dtmf/0"),
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ToneDesc(t_dtmf[1],"dtmf/1"),
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ToneDesc(t_dtmf[2],"dtmf/2"),
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ToneDesc(t_dtmf[3],"dtmf/3"),
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ToneDesc(t_dtmf[4],"dtmf/4"),
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ToneDesc(t_dtmf[5],"dtmf/5"),
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ToneDesc(t_dtmf[6],"dtmf/6"),
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ToneDesc(t_dtmf[7],"dtmf/7"),
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ToneDesc(t_dtmf[8],"dtmf/8"),
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ToneDesc(t_dtmf[9],"dtmf/9"),
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ToneDesc(t_dtmf[10],"dtmf/*"),
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ToneDesc(t_dtmf[11],"dtmf/#"),
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ToneDesc(t_dtmf[12],"dtmf/a"),
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ToneDesc(t_dtmf[13],"dtmf/b"),
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ToneDesc(t_dtmf[14],"dtmf/c"),
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ToneDesc(t_dtmf[15],"dtmf/d"),
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ToneDesc((Tone*)0,"")
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};
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// This function is here mainly to avoid 64bit gcc b0rking optimizations
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static unsigned int byteRate(u_int64_t time, unsigned int bytes)
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{
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if (!(time && bytes))
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return 0;
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time = Time::now() - time;
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if (!time)
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return 0;
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return (unsigned int)((bytes*(u_int64_t)1000000 + time/2) / time);
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}
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// Retrieve the alias associated with a given name
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static const char* getAlias(const String& name)
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{
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#define TONE_GETALIAS(n,a) { if (name == n) return a; }
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if (!name)
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return 0;
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TONE_GETALIAS("dial","dt");
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TONE_GETALIAS("busy","bs");
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TONE_GETALIAS("ring","rt");
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TONE_GETALIAS("specdial","sd");
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TONE_GETALIAS("congestion","cg");
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TONE_GETALIAS("outoforder","oo");
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TONE_GETALIAS("info","in");
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TONE_GETALIAS("milliwatt","mw");
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TONE_GETALIAS("silence",0);
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TONE_GETALIAS("noise","cn");
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TONE_GETALIAS("probe/0","probe");
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TONE_GETALIAS("probe/1",0);
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TONE_GETALIAS("probe/2",0);
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TONE_GETALIAS("cotv","co1");
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TONE_GETALIAS("cots","co2");
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TONE_GETALIAS("callwaiting","cw");
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TONE_GETALIAS("dtmf/0","0");
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TONE_GETALIAS("dtmf/1","1");
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TONE_GETALIAS("dtmf/2","2");
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TONE_GETALIAS("dtmf/3","3");
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TONE_GETALIAS("dtmf/4","4");
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TONE_GETALIAS("dtmf/5","5");
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TONE_GETALIAS("dtmf/6","6");
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TONE_GETALIAS("dtmf/7","7");
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TONE_GETALIAS("dtmf/8","8");
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TONE_GETALIAS("dtmf/9","9");
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TONE_GETALIAS("dtmf/*","*");
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TONE_GETALIAS("dtmf/#","#");
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TONE_GETALIAS("dtmf/a","a");
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TONE_GETALIAS("dtmf/b","b");
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TONE_GETALIAS("dtmf/c","c");
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TONE_GETALIAS("dtmf/d","d");
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return 0;
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#undef TONE_GETALIAS
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}
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ToneDesc::ToneDesc(const Tone* tone, const String& name, const String& prefix)
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: String(prefix + name),
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m_tones((Tone*)tone),
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m_ownTones(false),
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m_repeatAll(true)
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{
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const char* alias = getAlias(name);
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if (alias)
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m_alias = prefix + alias;
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toneListChanged();
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XDebug(&__plugin,DebugAll,"ToneDesc(%s) [%p]",c_str(),this);
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}
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ToneDesc::~ToneDesc()
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{
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clearTones();
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}
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// Init this tone description from comma separated list if tone data
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bool ToneDesc::setTones(const String& desc)
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{
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Debug(&__plugin,DebugAll,"ToneDesc(%s) initializing from '%s' [%p]",
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c_str(),desc.c_str(),this);
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clearTones();
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ObjList* list = desc.split(',',false);
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m_tones = new Tone[list->count() + 1];
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m_ownTones = true;
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int n = 0;
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for (ObjList* o = list->skipNull(); o; o = o->skipNext(), n++) {
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const String& s = o->get()->toString();
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if (ToneData::decode(s,m_tones[n].nsamples,m_tones[n].data,m_tones[n].repeat))
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DDebug(&__plugin,DebugAll,
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"ToneDesc(%s) added tone '%s' samples=%d data=%p repeat=%d [%p]",
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c_str(),s.c_str(),m_tones[n].nsamples,m_tones[n].data,
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m_tones[n].repeat,this);
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else {
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Debug(&__plugin,DebugNote,"ToneDesc(%s) invalid tone description '%s' [%p]",
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c_str(),s.c_str(),this);
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n = -1;
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break;
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}
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}
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TelEngine::destruct(list);
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if (n > 0)
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// Invalidate the last tone in the list
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::memset(m_tones + n,0,sizeof(Tone));
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else
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clearTones();
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toneListChanged();
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return n != 0;
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}
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// Tone name/alias equality operator. Set name if true is returned
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bool ToneDesc::isName(String& name) const
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{
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if (name == *this)
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return true;
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if (!m_alias || m_alias != name)
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return false;
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name = *this;
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return true;
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}
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// Build tone descriptions from a list
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void ToneDesc::buildTones(const String& name, const NamedList& list)
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{
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DDebug(&__plugin,DebugAll,"Building tones lang=%s from list=%s",
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name.c_str(),list.c_str());
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String prefix;
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ObjList* target = &s_defToneDesc;
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if (name && name != s_default) {
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prefix << name << "/";
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target = &s_toneDesc;
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}
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unsigned int n = list.length();
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for (unsigned int i = 0; i < n; i++) {
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NamedString* ns = list.getParam(i);
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if (TelEngine::null(ns))
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continue;
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ToneDesc* d = new ToneDesc(0,ns->name(),prefix);
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if (d->setTones(*ns)) {
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ObjList* o = target->find(d->toString());
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if (!o)
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target->append(d);
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else {
|
|
Debug(&__plugin,DebugInfo,"Replacing tone '%s' (from list '%s')",
|
|
d->toString().c_str(),list.c_str());
|
|
o->set(d);
|
|
}
|
|
}
|
|
else
|
|
TelEngine::destruct(d);
|
|
}
|
|
}
|
|
|
|
// Called when tones list changed to update data
|
|
void ToneDesc::toneListChanged()
|
|
{
|
|
m_repeatAll = true;
|
|
if (!m_tones)
|
|
return;
|
|
for (Tone* tone = m_tones; tone->nsamples; tone++)
|
|
if (!tone->repeat) {
|
|
m_repeatAll = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
ToneData::ToneData(const char* desc)
|
|
: m_f1(0), m_f2(0), m_mod(false), m_data(0)
|
|
{
|
|
if (!parse(desc)) {
|
|
Debug(&__plugin,DebugWarn,"Invalid tone description '%s'",desc);
|
|
m_f1 = m_f2 = 0;
|
|
m_mod = false;
|
|
}
|
|
}
|
|
|
|
ToneData::~ToneData()
|
|
{
|
|
if (m_data) {
|
|
::free((void*)m_data);
|
|
m_data = 0;
|
|
}
|
|
}
|
|
|
|
// a tone data description is something like "425" or "350+440" or "15*2100"
|
|
bool ToneData::parse(const char* desc)
|
|
{
|
|
if (!desc)
|
|
return false;
|
|
String tmp(desc);
|
|
if (tmp == "noise") {
|
|
m_f1 = -10;
|
|
return true;
|
|
}
|
|
tmp >> m_f1;
|
|
if (!m_f1)
|
|
return false;
|
|
if (m_f1 < -15)
|
|
m_f1 = -15;
|
|
if (tmp) {
|
|
char sep;
|
|
tmp >> sep;
|
|
switch (sep) {
|
|
case '+':
|
|
break;
|
|
case '*':
|
|
m_mod = true;
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
tmp >> m_f2;
|
|
if (!m_f2)
|
|
return false;
|
|
// order components so we can compare correctly
|
|
if (m_f1 < m_f2) {
|
|
int t = m_f1;
|
|
m_f1 = m_f2;
|
|
m_f2 = t;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
const short* ToneData::data()
|
|
{
|
|
if (m_f1 && !m_data) {
|
|
// generate the data on first call
|
|
short len = 8000;
|
|
if (m_f1 < 0) {
|
|
Debug(&__plugin,DebugAll,"Building comfort noise at level %d",m_f1);
|
|
// we don't need much memory for noise...
|
|
len /= 8;
|
|
}
|
|
else if (m_f2)
|
|
Debug(&__plugin,DebugAll,"Building tone of %d %s %d Hz",
|
|
m_f1,(m_mod ? "modulated by" : "+"),m_f2);
|
|
else {
|
|
Debug(&__plugin,DebugAll,"Building tone of %d Hz",m_f1);
|
|
// half the buffer for even frequencies
|
|
if ((m_f1 & 1) == 0)
|
|
len /= 2;
|
|
}
|
|
short* dat = (short*)::malloc((len+1)*sizeof(short));
|
|
if (!dat) {
|
|
Debug(&__plugin,DebugGoOn,"ToneData::data() cold not allocate memory for %d elements",len);
|
|
return 0;
|
|
}
|
|
short* tmp = dat;
|
|
*tmp++ = len;
|
|
if (m_f1 < 0) {
|
|
int ofs = 65535 >> (-m_f1);
|
|
int max = 2 * ofs + 1;
|
|
for (int x = 0; x < len; x++)
|
|
*tmp++ = (short)((Random::random() % max) - ofs);
|
|
}
|
|
else {
|
|
double samp = 2*M_PI/8000;
|
|
for (int x = 0; x < len; x++) {
|
|
double y = ::sin(x*samp*m_f1);
|
|
if (m_f2) {
|
|
double z = ::sin(x*samp*m_f2);
|
|
if (m_mod)
|
|
y *= (1+0.5*z);
|
|
else
|
|
y += z;
|
|
}
|
|
*tmp++ = (short)(y*5000);
|
|
}
|
|
}
|
|
m_data = dat;
|
|
}
|
|
return m_data;
|
|
}
|
|
|
|
ToneData* ToneData::getData(const char* desc)
|
|
{
|
|
ToneData td(desc);
|
|
if (!td.valid())
|
|
return 0;
|
|
ObjList* l = &datas;
|
|
for (; l; l = l->next()) {
|
|
ToneData* d = static_cast<ToneData*>(l->get());
|
|
if (d && d->equals(td))
|
|
return d;
|
|
}
|
|
ToneData* d = new ToneData(td);
|
|
datas.append(d);
|
|
return d;
|
|
}
|
|
|
|
// Decode a tone description from [!]desc[/duration]
|
|
// Build a tone data if needded
|
|
// Return true on success
|
|
bool ToneData::decode(const String& desc, int& samples, const short*& data, bool& repeat)
|
|
{
|
|
if (!desc)
|
|
return false;
|
|
samples = 8000;
|
|
data = 0;
|
|
repeat = (desc[0] != '!');
|
|
int start = repeat ? 0 : 1;
|
|
int pos = desc.find('/',start);
|
|
String freq;
|
|
if (pos > 0) {
|
|
String dur = desc.substr(pos + 1);
|
|
int duration = dur.toInteger();
|
|
if (duration > 0) {
|
|
// Round up to a multiple of 20
|
|
duration += 19;
|
|
samples = duration / 20 * 160;
|
|
}
|
|
freq = desc.substr(start,pos - start);
|
|
}
|
|
else
|
|
freq = desc.substr(start);
|
|
// Silence ?
|
|
if (freq.toInteger(-1) == 0)
|
|
return true;
|
|
ToneData* td = ToneData::getData(freq);
|
|
if (td)
|
|
data = td->data();
|
|
return td != 0;
|
|
}
|
|
|
|
ToneSource::ToneSource(const ToneDesc* tone)
|
|
: m_tone(0), m_repeat(tone == 0), m_firstPass(true),
|
|
m_data(0,320), m_brate(16000), m_total(0), m_time(0)
|
|
{
|
|
if (tone) {
|
|
m_tone = tone->tones();
|
|
m_name = *tone;
|
|
}
|
|
Debug(&__plugin,DebugAll,"ToneSource::ToneSource(%p) '%s' [%p]",
|
|
tone,m_name.c_str(),this);
|
|
}
|
|
|
|
void ToneSource::destroyed()
|
|
{
|
|
Debug(&__plugin,DebugAll,"ToneSource::destroyed() '%s' [%p] total=%u stamp=%lu",
|
|
m_name.c_str(),this,m_total,timeStamp());
|
|
ThreadedSource::destroyed();
|
|
if (m_time)
|
|
Debug(&__plugin,DebugInfo,"ToneSource rate=%u b/s",byteRate(m_time,m_total));
|
|
}
|
|
|
|
bool ToneSource::startup()
|
|
{
|
|
DDebug(&__plugin,DebugAll,"ToneSource::startup(\"%s\") tone=%p",m_name.c_str(),m_tone);
|
|
return m_tone && start("Tone Source");
|
|
}
|
|
|
|
void ToneSource::cleanup()
|
|
{
|
|
Debug(&__plugin,DebugAll,"ToneSource::cleanup() '%s' [%p]",m_name.c_str(),this);
|
|
__plugin.lock();
|
|
tones.remove(this,false);
|
|
__plugin.unlock();
|
|
ThreadedSource::cleanup();
|
|
}
|
|
|
|
void ToneSource::advanceTone(const Tone*& tone)
|
|
{
|
|
if (!tone)
|
|
return;
|
|
const Tone* start = tone;
|
|
tone++;
|
|
while (tone && tone != start) {
|
|
if (!tone->nsamples) {
|
|
if ((m_repeat > 0) && !(--m_repeat))
|
|
m_tone = 0;
|
|
tone = m_tone;
|
|
m_firstPass = false;
|
|
continue;
|
|
}
|
|
if (m_firstPass || tone->repeat)
|
|
break;
|
|
tone++;
|
|
}
|
|
if (tone == start && !m_firstPass && !tone->repeat) {
|
|
m_tone = 0;
|
|
tone = 0;
|
|
}
|
|
}
|
|
|
|
const ToneDesc* ToneSource::getBlock(String& tone, const ToneDesc* table)
|
|
{
|
|
for (; table->tones(); table++) {
|
|
if (table->isName(tone))
|
|
return table;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
const ToneDesc* ToneSource::findToneDesc(String& tone, const String& prefix)
|
|
{
|
|
XDebug(&__plugin,DebugAll,"ToneSource::findToneDesc(%s,%s)",
|
|
tone.c_str(),prefix.c_str());
|
|
ObjList* target = &s_defToneDesc;
|
|
if (prefix) {
|
|
tone = prefix + "/" + tone;
|
|
target = &s_toneDesc;
|
|
}
|
|
for (ObjList* o = target->skipNull(); o; o = o->skipNext()) {
|
|
const ToneDesc* d = static_cast<ToneDesc*>(o->get());
|
|
if (d->isName(tone))
|
|
return d;
|
|
}
|
|
if (prefix)
|
|
tone.startSkip(prefix + "/",false);
|
|
return 0;
|
|
}
|
|
|
|
const ToneDesc* ToneSource::getBlock(String& tone, const String& prefix, bool oneShot)
|
|
{
|
|
if (tone.trimBlanks().toLower().null())
|
|
return 0;
|
|
XDebug(&__plugin,DebugAll,"ToneSource::getBlock(%s,%s,%u)",
|
|
tone.c_str(),prefix.c_str(),oneShot);
|
|
const ToneDesc* d = 0;
|
|
if (prefix) {
|
|
if (prefix != s_default)
|
|
d = findToneDesc(tone,prefix);
|
|
else {
|
|
// Default tone explicitly required
|
|
d = findToneDesc(tone,String::empty());
|
|
if (!d && oneShot)
|
|
d = getBlock(tone,s_descOne);
|
|
return d;
|
|
}
|
|
}
|
|
if (!d && s_defLang && s_defLang != prefix)
|
|
d = findToneDesc(tone,s_defLang);
|
|
if (!d)
|
|
d = findToneDesc(tone,String::empty());
|
|
if (d)
|
|
return d;
|
|
if (oneShot)
|
|
return getBlock(tone,s_descOne);
|
|
return 0;
|
|
}
|
|
|
|
// Build an user defined cadence
|
|
Tone* ToneSource::buildCadence(const String& desc)
|
|
{
|
|
// TBD
|
|
return 0;
|
|
}
|
|
|
|
// Build a cadence out of DTMFs
|
|
Tone* ToneSource::buildDtmf(const String& dtmf, int len, int gap)
|
|
{
|
|
if (dtmf.null())
|
|
return 0;
|
|
Tone* tmp = (Tone*)::malloc(2*sizeof(Tone)*(dtmf.length()+1));
|
|
if (!tmp)
|
|
return 0;
|
|
Tone* t = tmp;
|
|
|
|
for (unsigned int i = 0; i < dtmf.length(); i++) {
|
|
t->nsamples = gap;
|
|
t->data = 0;
|
|
t->repeat = true;
|
|
t++;
|
|
|
|
int c = dtmf.at(i);
|
|
if ((c >= '0') && (c <= '9'))
|
|
c -= '0';
|
|
else if (c == '*')
|
|
c = 10;
|
|
else if (c == '#')
|
|
c = 11;
|
|
else if ((c >= 'a') && (c <= 'd'))
|
|
c -= ('a' - 12);
|
|
else c = -1;
|
|
|
|
t->nsamples = len;
|
|
t->data = ((c >= 0) && (c < 16)) ? t_dtmf[c][1].data : 0;
|
|
t->repeat = true;
|
|
t++;
|
|
}
|
|
|
|
t->nsamples = gap;
|
|
t->data = 0;
|
|
t->repeat = true;
|
|
t++;
|
|
t->nsamples = 0;
|
|
t->data = 0;
|
|
|
|
return tmp;
|
|
}
|
|
|
|
ToneSource* ToneSource::getTone(String& tone, const String& prefix)
|
|
{
|
|
const ToneDesc* td = ToneSource::getBlock(tone,prefix);
|
|
bool repeat = !td || td->repeatAll();
|
|
XDebug(&__plugin,DebugAll,"ToneSource::getTone(%s,%s) found %p '%s' repeatall=%s",
|
|
tone.c_str(),prefix.c_str(),td,td ? td->c_str() : "",String::boolText(repeat));
|
|
// tone name is now canonical
|
|
// Build a fresh source if the list contains tones not repeated
|
|
ObjList* l = repeat ? &tones : 0;
|
|
for (; l; l = l->next()) {
|
|
ToneSource* t = static_cast<ToneSource*>(l->get());
|
|
if (t && (t->name() == tone) && t->running() && (t->refcount() > 1)) {
|
|
t->ref();
|
|
return t;
|
|
}
|
|
}
|
|
if (!td)
|
|
return 0;
|
|
ToneSource* t = new ToneSource(td);
|
|
tones.append(t);
|
|
t->startup();
|
|
return t;
|
|
}
|
|
|
|
void ToneSource::run()
|
|
{
|
|
Debug(&__plugin,DebugAll,"ToneSource::run() [%p]",this);
|
|
u_int64_t tpos = Time::now();
|
|
m_time = tpos;
|
|
int samp = 0; // sample number
|
|
int dpos = 1; // position in data
|
|
const Tone* tone = m_tone;
|
|
int nsam = tone->nsamples;
|
|
if (nsam < 0)
|
|
nsam = -nsam;
|
|
while (m_tone && looping(noChan())) {
|
|
Thread::check();
|
|
short *d = (short *) m_data.data();
|
|
for (unsigned int i = m_data.length()/2; i--; samp++,dpos++) {
|
|
if (samp >= nsam) {
|
|
// go to the start of the next tone
|
|
samp = 0;
|
|
const Tone *otone = tone;
|
|
advanceTone(tone);
|
|
nsam = tone ? tone->nsamples : 32000;
|
|
if (nsam < 0) {
|
|
nsam = -nsam;
|
|
// reset repeat point here
|
|
m_tone = tone;
|
|
}
|
|
if (tone != otone)
|
|
dpos = 1;
|
|
}
|
|
if (tone && tone->data) {
|
|
if (dpos > tone->data[0])
|
|
dpos = 1;
|
|
*d++ = tone->data[dpos];
|
|
}
|
|
else
|
|
*d++ = 0;
|
|
}
|
|
int64_t dly = tpos - Time::now();
|
|
if (dly > 0) {
|
|
XDebug(&__plugin,DebugAll,"ToneSource sleeping for " FMT64 " usec",dly);
|
|
Thread::usleep((unsigned long)dly);
|
|
}
|
|
if (!looping(noChan()))
|
|
break;
|
|
Forward(m_data,m_total/2);
|
|
m_total += m_data.length();
|
|
tpos += (m_data.length()*(u_int64_t)1000000/m_brate);
|
|
}
|
|
Debug(&__plugin,DebugAll,"ToneSource [%p] end, total=%u (%u b/s)",
|
|
this,m_total,byteRate(m_time,m_total));
|
|
m_time = 0;
|
|
}
|
|
|
|
|
|
TempSource::TempSource(String& desc, const String& prefix, DataBlock* rawdata)
|
|
: m_single(0), m_rawdata(rawdata)
|
|
{
|
|
Debug(&__plugin,DebugAll,"TempSource::TempSource(\"%s\",\"%s\") [%p]",
|
|
desc.c_str(),prefix.safe(),this);
|
|
if (desc.null())
|
|
return;
|
|
m_name = desc;
|
|
if (desc.startSkip("*",false))
|
|
m_repeat = 0;
|
|
// Build a source used to send raw linear data
|
|
if (desc == "rawdata") {
|
|
if (!(m_rawdata && m_rawdata->length() >= sizeof(short))) {
|
|
Debug(&__plugin,DebugNote,
|
|
"TempSource::TempSource(\"%s\") invalid data size=%u [%p]",
|
|
desc.c_str(),m_rawdata?m_rawdata->length():0,this);
|
|
return;
|
|
}
|
|
m_tone = m_single = (Tone*)::malloc(2*sizeof(Tone));
|
|
m_single[0].nsamples = m_rawdata->length() / sizeof(short);
|
|
m_single[0].data = (short*)m_rawdata->data();
|
|
m_single[0].repeat = true;
|
|
m_single[1].nsamples = 0;
|
|
m_single[1].data = 0;
|
|
return;
|
|
}
|
|
// try first the named tones
|
|
const ToneDesc* tde = getBlock(desc,prefix,true);
|
|
if (tde) {
|
|
m_tone = tde->tones();
|
|
return;
|
|
}
|
|
// for performance reason accept an entire string of DTMFs
|
|
if (desc.startSkip("dtmfstr/",false)) {
|
|
m_tone = m_single = buildDtmf(desc);
|
|
return;
|
|
}
|
|
// or an entire user defined cadence of tones
|
|
if (desc.startSkip("cadence/",false)) {
|
|
m_tone = m_single = buildCadence(desc);
|
|
return;
|
|
}
|
|
// now try to build a single tone
|
|
int samples = 8000;
|
|
const short* data = 0;
|
|
bool repeat = true;
|
|
if (!ToneData::decode(desc,samples,data,repeat))
|
|
return;
|
|
m_single = (Tone*)::malloc(2*sizeof(Tone));
|
|
m_single[0].nsamples = samples;
|
|
m_single[0].data = data;
|
|
m_single[0].repeat = repeat;
|
|
m_single[1].nsamples = 0;
|
|
m_single[1].data = 0;
|
|
m_tone = m_single;
|
|
}
|
|
|
|
TempSource::~TempSource()
|
|
{
|
|
Debug(&__plugin,DebugAll,"TempSource::~TempSource() [%p]",this);
|
|
if (m_single) {
|
|
::free(m_single);
|
|
m_single = 0;
|
|
}
|
|
TelEngine::destruct(m_rawdata);
|
|
}
|
|
|
|
|
|
ToneChan::ToneChan(String& tone, const String& prefix)
|
|
: Channel(__plugin)
|
|
{
|
|
Debug(this,DebugAll,"ToneChan::ToneChan(\"%s\",\"%s\") [%p]",tone.c_str(),prefix.safe(),this);
|
|
// protect the list while the new tone source is added to it
|
|
__plugin.lock();
|
|
ToneSource* t = ToneSource::getTone(tone,prefix);
|
|
__plugin.unlock();
|
|
if (t) {
|
|
setSource(t);
|
|
m_address = t->name();
|
|
t->deref();
|
|
}
|
|
else
|
|
Debug(DebugWarn,"No source tone '%s' in ToneChan [%p]",tone.c_str(),this);
|
|
}
|
|
|
|
ToneChan::~ToneChan()
|
|
{
|
|
Debug(this,DebugAll,"ToneChan::~ToneChan() %s [%p]",id().c_str(),this);
|
|
}
|
|
|
|
bool ToneChan::attachConsumer(const char* consumer)
|
|
{
|
|
if (TelEngine::null(consumer))
|
|
return false;
|
|
Message m("chan.attach");
|
|
m.userData(this);
|
|
m.addParam("id",id());
|
|
m.addParam("consumer",consumer);
|
|
m.addParam("single",String::boolText(true));
|
|
return Engine::dispatch(m);
|
|
}
|
|
|
|
|
|
// Get a data block from a binary parameter of msg
|
|
DataBlock* getRawData(Message& msg)
|
|
{
|
|
NamedString* data = msg.getParam("rawdata");
|
|
if (!data)
|
|
return 0;
|
|
NamedPointer* p = static_cast<NamedPointer*>(data->getObject("NamedPointer"));
|
|
if (!p)
|
|
return 0;
|
|
GenObject* gen = p->userData();
|
|
if (!(gen && gen->getObject("DataBlock")))
|
|
return 0;
|
|
return static_cast<DataBlock*>(p->takeData());
|
|
}
|
|
|
|
bool AttachHandler::received(Message& msg)
|
|
{
|
|
String src(msg.getValue("source"));
|
|
if (!src.startSkip("tone/",false))
|
|
src.clear();
|
|
String ovr(msg.getValue("override"));
|
|
if (!ovr.startSkip("tone/",false))
|
|
ovr.clear();
|
|
String repl(msg.getValue("replace"));
|
|
if (!repl.startSkip("tone/",false))
|
|
repl.clear();
|
|
if (src.null() && ovr.null() && repl.null())
|
|
return false;
|
|
|
|
RefPointer<DataEndpoint> de = static_cast<DataEndpoint*>(msg.userObject("DataEndpoint"));
|
|
if (!de) {
|
|
CallEndpoint* ch = static_cast<CallEndpoint*>(msg.userObject("CallEndpoint"));
|
|
if (ch) {
|
|
DataEndpoint::commonMutex().lock();
|
|
de = ch->setEndpoint();
|
|
DataEndpoint::commonMutex().unlock();
|
|
}
|
|
}
|
|
|
|
if (!de) {
|
|
Debug(DebugWarn,"Tone attach request with no control or data channel!");
|
|
return false;
|
|
}
|
|
|
|
// if single attach was requested we can return true if everything is ok
|
|
bool ret = msg.getBoolValue("single");
|
|
|
|
Lock lock(__plugin);
|
|
if (src) {
|
|
ToneSource* t = ToneSource::getTone(src,msg["lang"]);
|
|
if (t) {
|
|
de->setSource(t);
|
|
t->deref();
|
|
msg.clearParam("source");
|
|
}
|
|
else {
|
|
Debug(DebugWarn,"No source tone '%s' could be attached to %p",src.c_str(),(void*)de);
|
|
ret = false;
|
|
}
|
|
}
|
|
if (ovr) {
|
|
DataEndpoint::commonMutex().lock();
|
|
RefPointer<DataConsumer> c = de->getConsumer();
|
|
DataEndpoint::commonMutex().unlock();
|
|
if (c) {
|
|
TempSource* t = new TempSource(ovr,msg["lang"],getRawData(msg));
|
|
if (DataTranslator::attachChain(t,c,true) && t->startup())
|
|
msg.clearParam("override");
|
|
else {
|
|
Debug(DebugWarn,"Override source tone '%s' failed to start [%p]",ovr.c_str(),t);
|
|
ret = false;
|
|
}
|
|
t->deref();
|
|
}
|
|
else {
|
|
Debug(DebugWarn,"Requested override '%s' to missing consumer of %p",ovr.c_str(),(void*)de);
|
|
ret = false;
|
|
}
|
|
}
|
|
if (repl) {
|
|
DataEndpoint::commonMutex().lock();
|
|
RefPointer<DataConsumer> c = de->getConsumer();
|
|
DataEndpoint::commonMutex().unlock();
|
|
if (c) {
|
|
TempSource* t = new TempSource(repl,msg["lang"],getRawData(msg));
|
|
if (DataTranslator::attachChain(t,c,false) && t->startup())
|
|
msg.clearParam("replace");
|
|
else {
|
|
Debug(DebugWarn,"Replacement source tone '%s' failed to start [%p]",repl.c_str(),t);
|
|
ret = false;
|
|
}
|
|
t->deref();
|
|
}
|
|
else {
|
|
Debug(DebugWarn,"Requested replacement '%s' to missing consumer of %p",repl.c_str(),(void*)de);
|
|
ret = false;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
bool ToneGenDriver::msgExecute(Message& msg, String& dest)
|
|
{
|
|
CallEndpoint* ch = static_cast<CallEndpoint*>(msg.userData());
|
|
if (ch) {
|
|
ToneChan *tc = new ToneChan(dest,msg["lang"]);
|
|
tc->initChan();
|
|
tc->attachConsumer(msg.getValue("consumer"));
|
|
if (ch->connect(tc,msg.getValue("reason"))) {
|
|
tc->callConnect(msg);
|
|
msg.setParam("peerid",tc->id());
|
|
tc->deref();
|
|
}
|
|
else {
|
|
tc->destruct();
|
|
return false;
|
|
}
|
|
}
|
|
else {
|
|
Message m("call.route");
|
|
m.copyParams(msg,msg[YSTRING("copyparams")]);
|
|
m.clearParam(YSTRING("callto"));
|
|
m.clearParam(YSTRING("id"));
|
|
m.setParam("module",name());
|
|
m.setParam("cdrtrack",String::boolText(false));
|
|
m.copyParam(msg,YSTRING("called"));
|
|
m.copyParam(msg,YSTRING("caller"));
|
|
m.copyParam(msg,YSTRING("callername"));
|
|
String callto(msg.getValue(YSTRING("direct")));
|
|
if (callto.null()) {
|
|
const char *targ = msg.getValue(YSTRING("target"));
|
|
if (!targ)
|
|
targ = msg.getValue(YSTRING("called"));
|
|
if (!targ) {
|
|
Debug(DebugWarn,"Tone outgoing call with no target!");
|
|
return false;
|
|
}
|
|
m.setParam("called",targ);
|
|
if (!m.getValue(YSTRING("caller")))
|
|
m.setParam("caller",prefix() + dest);
|
|
if ((!Engine::dispatch(m)) || m.retValue().null() || (m.retValue() == "-")) {
|
|
Debug(DebugWarn,"Tone outgoing call but no route!");
|
|
return false;
|
|
}
|
|
callto = m.retValue();
|
|
m.retValue().clear();
|
|
}
|
|
m = "call.execute";
|
|
m.setParam("callto",callto);
|
|
ToneChan *tc = new ToneChan(dest,msg["lang"]);
|
|
tc->initChan();
|
|
tc->attachConsumer(msg.getValue("consumer"));
|
|
m.setParam("id",tc->id());
|
|
m.userData(tc);
|
|
if (Engine::dispatch(m)) {
|
|
msg.setParam("id",tc->id());
|
|
msg.copyParam(m,YSTRING("peerid"));
|
|
tc->deref();
|
|
return true;
|
|
}
|
|
Debug(DebugWarn,"Tone outgoing call not accepted!");
|
|
tc->destruct();
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void ToneGenDriver::statusModule(String& str)
|
|
{
|
|
Module::statusModule(str);
|
|
}
|
|
|
|
void ToneGenDriver::statusParams(String& str)
|
|
{
|
|
str << "tones=" << tones.count() << ",chans=" << channels().count();
|
|
}
|
|
|
|
ToneGenDriver::ToneGenDriver()
|
|
: Driver("tone","misc"), m_handler(0)
|
|
{
|
|
Output("Loaded module ToneGen");
|
|
}
|
|
|
|
ToneGenDriver::~ToneGenDriver()
|
|
{
|
|
Output("Unloading module ToneGen");
|
|
ObjList* l = &channels();
|
|
while (l) {
|
|
ToneChan* t = static_cast<ToneChan *>(l->get());
|
|
if (t)
|
|
t->disconnect("shutdown");
|
|
if (l->get() == t)
|
|
l = l->next();
|
|
}
|
|
lock();
|
|
channels().clear();
|
|
tones.clear();
|
|
unlock();
|
|
}
|
|
|
|
void ToneGenDriver::initialize()
|
|
{
|
|
Output("Initializing module ToneGen");
|
|
setup(0,true); // no need to install notifications
|
|
Driver::initialize();
|
|
if (m_handler)
|
|
return;
|
|
// Init default tones
|
|
s_defToneDesc.append(new ToneDesc(t_dial,"dial"));
|
|
s_defToneDesc.append(new ToneDesc(t_busy,"busy"));
|
|
s_defToneDesc.append(new ToneDesc(t_ring,"ring"));
|
|
s_defToneDesc.append(new ToneDesc(t_specdial,"specdial"));
|
|
s_defToneDesc.append(new ToneDesc(t_congestion,"congestion"));
|
|
s_defToneDesc.append(new ToneDesc(t_outoforder,"outoforder"));
|
|
s_defToneDesc.append(new ToneDesc(t_info,"info"));
|
|
s_defToneDesc.append(new ToneDesc(t_mwatt,"milliwatt"));
|
|
s_defToneDesc.append(new ToneDesc(t_silence,"silence"));
|
|
s_defToneDesc.append(new ToneDesc(t_noise,"noise"));
|
|
s_defToneDesc.append(new ToneDesc(t_probes[0],"probe/0"));
|
|
s_defToneDesc.append(new ToneDesc(t_probes[1],"probe/1"));
|
|
s_defToneDesc.append(new ToneDesc(t_probes[2],"probe/2"));
|
|
s_defToneDesc.append(new ToneDesc(t_probes[3],"cotv"));
|
|
s_defToneDesc.append(new ToneDesc(t_probes[4],"cots"));
|
|
// Init tones from config
|
|
Configuration cfg(Engine::configFile("tonegen"));
|
|
s_defLang = cfg.getValue("general","lang");
|
|
if (s_defLang == s_default)
|
|
s_defLang.clear();
|
|
unsigned int n = cfg.sections();
|
|
for (unsigned int i = 0; i < n; i++) {
|
|
NamedList* l = cfg.getSection(i);
|
|
if (!l || *l == "general")
|
|
continue;
|
|
String aliases;
|
|
if (*l != s_default)
|
|
aliases = l->getValue("alias");
|
|
l->clearParam("alias");
|
|
ToneDesc::buildTones(*l,*l);
|
|
if (aliases) {
|
|
ObjList* list = aliases.split(',',false);
|
|
for (ObjList* o = list->skipNull(); o; o = o->skipNext()) {
|
|
const String& name = o->get()->toString();
|
|
if (name != s_default)
|
|
ToneDesc::buildTones(name,*l);
|
|
}
|
|
TelEngine::destruct(list);
|
|
}
|
|
}
|
|
// Init module
|
|
m_handler = new AttachHandler;
|
|
Engine::install(m_handler);
|
|
installRelay(Halt);
|
|
}
|
|
|
|
}; // anonymous namespace
|
|
|
|
/* vi: set ts=8 sw=4 sts=4 noet: */
|