1 |
/* $Id$ */ |
---|
2 |
|
---|
3 |
/* |
---|
4 |
* FreeBob Streaming API |
---|
5 |
* FreeBob = Firewire (pro-)audio for linux |
---|
6 |
* |
---|
7 |
* http://freebob.sf.net |
---|
8 |
* |
---|
9 |
* Copyright (C) 2006 Pieter Palmers <pieterpalmers@users.sourceforge.net> |
---|
10 |
* |
---|
11 |
* This program is free software {} you can redistribute it and/or modify |
---|
12 |
* it under the terms of the GNU General Public License as published by |
---|
13 |
* the Free Software Foundation {} either version 2 of the License, or |
---|
14 |
* (at your option) any later version. |
---|
15 |
* |
---|
16 |
* This program is distributed in the hope that it will be useful, |
---|
17 |
* but WITHOUT ANY WARRANTY {} without even the implied warranty of |
---|
18 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
19 |
* GNU General Public License for more details. |
---|
20 |
* |
---|
21 |
* You should have received a copy of the GNU General Public License |
---|
22 |
* along with this program {} if not, write to the Free Software |
---|
23 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
---|
24 |
* |
---|
25 |
* |
---|
26 |
* |
---|
27 |
*/ |
---|
28 |
#ifndef __FREEBOB_ISOHANDLER__ |
---|
29 |
#define __FREEBOB_ISOHANDLER__ |
---|
30 |
|
---|
31 |
#include <libraw1394/raw1394.h> |
---|
32 |
|
---|
33 |
|
---|
34 |
enum raw1394_iso_disposition ; |
---|
35 |
namespace FreebobStreaming |
---|
36 |
{ |
---|
37 |
|
---|
38 |
extern "C" { |
---|
39 |
enum raw1394_iso_disposition iso_transmit_handler(raw1394handle_t handle, |
---|
40 |
unsigned char *data, unsigned int *length, |
---|
41 |
unsigned char *tag, unsigned char *sy, |
---|
42 |
int cycle, unsigned int dropped); |
---|
43 |
} |
---|
44 |
/*! |
---|
45 |
\brief The Base Class for ISO Handlers |
---|
46 |
|
---|
47 |
These classes perform the actual ISO communication through libraw1394. |
---|
48 |
They are different from IsoStreams because one handler can provide multiple |
---|
49 |
streams with packets in case of ISO multichannel receive. |
---|
50 |
|
---|
51 |
*/ |
---|
52 |
|
---|
53 |
class IsoHandler |
---|
54 |
{ |
---|
55 |
protected: |
---|
56 |
|
---|
57 |
public: |
---|
58 |
|
---|
59 |
enum EHandlerType { |
---|
60 |
EHT_Receive, |
---|
61 |
EHT_Transmit |
---|
62 |
}; |
---|
63 |
|
---|
64 |
IsoHandler() : m_handle(0) |
---|
65 |
{} |
---|
66 |
virtual ~IsoHandler() |
---|
67 |
{} |
---|
68 |
|
---|
69 |
bool Initialize( int port ); |
---|
70 |
|
---|
71 |
|
---|
72 |
virtual enum EHandlerType getType() = 0; |
---|
73 |
|
---|
74 |
private: |
---|
75 |
raw1394handle_t m_handle; |
---|
76 |
int m_port; |
---|
77 |
|
---|
78 |
}; |
---|
79 |
|
---|
80 |
/*! |
---|
81 |
\brief ISO receive handler class |
---|
82 |
*/ |
---|
83 |
|
---|
84 |
class IsoRecvHandler : public IsoHandler |
---|
85 |
{ |
---|
86 |
|
---|
87 |
public: |
---|
88 |
IsoRecvHandler(); |
---|
89 |
virtual ~IsoRecvHandler(); |
---|
90 |
|
---|
91 |
bool Initialize( int port ); |
---|
92 |
|
---|
93 |
virtual enum EHandlerType getType() { return EHT_Receive;}; |
---|
94 |
|
---|
95 |
private: |
---|
96 |
enum raw1394_iso_disposition |
---|
97 |
PutPacket(unsigned char *data, unsigned int length, |
---|
98 |
unsigned char channel, unsigned char tag, unsigned char sy, |
---|
99 |
unsigned int cycle, unsigned int dropped); |
---|
100 |
|
---|
101 |
}; |
---|
102 |
|
---|
103 |
/*! |
---|
104 |
\brief ISO transmit handler class |
---|
105 |
*/ |
---|
106 |
|
---|
107 |
class IsoXmitHandler : public IsoHandler |
---|
108 |
{ |
---|
109 |
public: |
---|
110 |
friend enum raw1394_iso_disposition iso_transmit_handler(raw1394handle_t handle, |
---|
111 |
unsigned char *data, unsigned int *length, |
---|
112 |
unsigned char *tag, unsigned char *sy, |
---|
113 |
int cycle, unsigned int dropped); |
---|
114 |
|
---|
115 |
IsoXmitHandler(); |
---|
116 |
virtual ~IsoXmitHandler(); |
---|
117 |
|
---|
118 |
bool Initialize( int port ); |
---|
119 |
|
---|
120 |
virtual enum EHandlerType getType() { return EHT_Transmit;}; |
---|
121 |
|
---|
122 |
private: |
---|
123 |
enum raw1394_iso_disposition |
---|
124 |
GetPacket(unsigned char *data, unsigned int *length, |
---|
125 |
unsigned char *tag, unsigned char *sy, |
---|
126 |
int cycle, unsigned int dropped); |
---|
127 |
|
---|
128 |
|
---|
129 |
}; |
---|
130 |
|
---|
131 |
} |
---|
132 |
|
---|
133 |
#endif /* __FREEBOB_ISOHANDLER__ */ |
---|
134 |
|
---|
135 |
|
---|
136 |
|
---|