root/trunk/libffado/src/devicemanager.h

Revision 967, 4.5 kB (checked in by ppalmers, 14 years ago)

- first attempt at not causing total havoc when devices are removed from the bus.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
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1 /*
2  * Copyright (C) 2005-2008 by Daniel Wagner
3  * Copyright (C) 2005-2008 by Pieter Palmers
4  *
5  * This file is part of FFADO
6  * FFADO = Free Firewire (pro-)audio drivers for linux
7  *
8  * FFADO is based upon FreeBoB.
9  *
10  * This program is free software: you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation, either version 2 of the License, or
13  * (at your option) version 3 of the License.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
22  *
23  */
24
25 #ifndef FFADODEVICEMANAGER_H
26 #define FFADODEVICEMANAGER_H
27
28 #include "debugmodule/debugmodule.h"
29
30 #include "libieee1394/configrom.h"
31 #include "libieee1394/ieee1394service.h"
32
33 #include "libstreaming/StreamProcessorManager.h"
34
35 #include "libutil/OptionContainer.h"
36 #include "libcontrol/BasicElements.h"
37
38 #include <glibmm/ustring.h>
39
40 #include "libutil/Functors.h"
41
42 #include <vector>
43 #include <string>
44
45 class Ieee1394Service;
46 class FFADODevice;
47 class DeviceStringParser;
48
49 namespace Streaming {
50     class StreamProcessor;
51 }
52
53 typedef std::vector< FFADODevice* > FFADODeviceVector;
54 typedef std::vector< FFADODevice* >::iterator FFADODeviceVectorIterator;
55
56 typedef std::vector< Ieee1394Service* > Ieee1394ServiceVector;
57 typedef std::vector< Ieee1394Service* >::iterator Ieee1394ServiceVectorIterator;
58
59 typedef std::vector< Util::Functor* > FunctorVector;
60 typedef std::vector< Util::Functor* >::iterator FunctorVectorIterator;
61
62 typedef std::vector< ConfigRom* > ConfigRomVector;
63 typedef std::vector< ConfigRom* >::iterator ConfigRomVectorIterator;
64
65 class DeviceManager
66     : public Util::OptionContainer,
67       public Control::Container
68 {
69 public:
70     enum eWaitResult {
71         eWR_OK,
72         eWR_Xrun,
73         eWR_Error,
74         eWR_Shutdown,
75     };
76
77     DeviceManager();
78     ~DeviceManager();
79
80     bool setThreadParameters(bool rt, int priority);
81
82     bool initialize();
83     bool deinitialize();
84
85     bool addSpecString(char *);
86     bool isSpecStringValid(std::string s);
87
88     bool discover(bool useCache=true, bool rediscover=false);
89     bool initStreaming();
90     bool prepareStreaming();
91     bool finishStreaming();
92     bool startStreaming();
93     bool stopStreaming();
94     bool resetStreaming();
95     enum eWaitResult waitForPeriod();
96     bool setStreamingParams(unsigned int period, unsigned int rate, unsigned int nb_buffers);
97
98     bool isValidNode( int node );
99     int getNbDevices();
100     int getDeviceNodeId( int deviceNr );
101
102     FFADODevice* getAvDevice( int nodeId );
103     FFADODevice* getAvDeviceByIndex( int idx );
104     unsigned int getAvDeviceCount();
105
106     Streaming::StreamProcessor *getSyncSource();
107
108     void ignoreBusResets(bool b) {m_ignore_busreset = b;};
109     bool registerBusresetNotification(Util::Functor *);
110     bool unregisterBusresetNotification(Util::Functor *);
111
112     void showDeviceInfo();
113     void showStreamingInfo();
114
115     // the Control::Container functions
116     virtual std::string getName()
117         {return "DeviceManager";};
118     virtual bool setName( std::string n )
119         { return false;};
120
121 protected:
122     FFADODevice* getDriverForDevice( std::auto_ptr<ConfigRom>( configRom ),
123                                      int id );
124     FFADODevice* getSlaveDriver( std::auto_ptr<ConfigRom>( configRom ) );
125
126     void busresetHandler();
127
128 protected:
129     // we have one service for each port
130     // found on the system. We don't allow dynamic addition of ports (yet)
131     Ieee1394ServiceVector   m_1394Services;
132     FFADODeviceVector       m_avDevices;
133     FunctorVector           m_busreset_functors;
134
135 public: // FIXME: this should be better
136     Streaming::StreamProcessorManager&  getStreamProcessorManager()
137         {return *m_processorManager;};
138 private:
139     Streaming::StreamProcessorManager*  m_processorManager;
140     DeviceStringParser*                 m_deviceStringParser;
141     bool                                m_used_cache_last_time;
142     bool                                m_ignore_busreset;
143
144     typedef std::vector< Util::Functor* > busreset_notif_vec_t;
145     busreset_notif_vec_t                m_busResetNotifiers;
146
147 protected:
148     std::vector<std::string>            m_SpecStrings;
149
150     bool m_thread_realtime;
151     int m_thread_priority;
152
153 // debug stuff
154 public:
155     void setVerboseLevel(int l);
156 private:
157     DECLARE_DEBUG_MODULE;
158 };
159
160 #endif
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