root/trunk/libffado/tests/test-volume.cpp

Revision 864, 4.1 kB (checked in by ppalmers, 15 years ago)

update license to GPLv2 or GPLv3 instead of GPLv2 or any later version. Update copyrights to reflect the new year

Line 
1 /*
2  * Copyright (C) 2005-2008 by Daniel Wagner
3  *
4  * This file is part of FFADO
5  * FFADO = Free Firewire (pro-)audio drivers for linux
6  *
7  * FFADO is based upon FreeBoB.
8  *
9  * This program is free software: you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation, either version 2 of the License, or
12  * (at your option) version 3 of the License.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
21  *
22  */
23
24 #include "libavc/avc_function_block.h"
25 #include "libavc/avc_serialize.h"
26
27 #include "libieee1394/ieee1394service.h"
28
29 const bool bVerbose = false;
30
31 short int
32 getVolume( Ieee1394Service& ieee1394service, int node_id, int ffb_id,
33            FunctionBlockCmd::EControlAttribute control_attrib )
34 {
35     FunctionBlockCmd fbCmd( ieee1394service,
36                             FunctionBlockCmd::eFBT_Feature,
37                             ffb_id,
38                             control_attrib );
39     fbCmd.setNodeId( node_id );
40     fbCmd.setSubunitId( 0x00 );
41     fbCmd.setCommandType( AVCCommand::eCT_Status );
42     fbCmd.m_pFBFeature->m_pVolume = new FunctionBlockFeatureVolume;
43
44     fbCmd.setVerbose( bVerbose );
45     if (bVerbose) {
46         ieee1394service.setVerboseLevel( DEBUG_LEVEL_VERBOSE );
47     }
48
49     if ( !fbCmd.fire() ) {
50         printf( "cmd failed\n" );
51     }
52
53     if ( bVerbose ) {
54         CoutSerializer se;
55         fbCmd.serialize( se );
56     }
57
58     return fbCmd.m_pFBFeature->m_pVolume->m_volume;
59 }
60
61 bool
62 setVolume( Ieee1394Service& ieee1394service, int node_id, int ffb_id, int vol )
63 {
64     FunctionBlockCmd fbCmd( ieee1394service,
65                             FunctionBlockCmd::eFBT_Feature,
66                             ffb_id,
67                             FunctionBlockCmd::eCA_Current );
68     fbCmd.setNodeId( node_id );
69     fbCmd.setSubunitId( 0x00 );
70     fbCmd.setCommandType( AVCCommand::eCT_Control );
71     fbCmd.m_pFBFeature->m_pVolume = new FunctionBlockFeatureVolume;
72     fbCmd.m_pFBFeature->m_pVolume->m_volume = vol;
73
74     fbCmd.setVerbose( bVerbose );
75     if (bVerbose) {
76         ieee1394service.setVerboseLevel( DEBUG_LEVEL_VERBOSE );
77     }
78
79     bool bStatus = fbCmd.fire();
80     if ( !bStatus ) {
81         printf( "cmd failed\n" );
82     }
83
84     if ( bVerbose ) {
85         CoutSerializer se;
86         fbCmd.serialize( se );
87     }
88
89     return bStatus;
90 }
91
92 bool
93 doApp( Ieee1394Service& ieee1394service, int node_id, int fb_id, int vol )
94 {
95     short int maxVolume = getVolume( ieee1394service, node_id, fb_id, FunctionBlockCmd::eCA_Maximum );
96     short int minVolume = getVolume( ieee1394service, node_id, fb_id, FunctionBlockCmd::eCA_Minimum );
97     short int curVolume = getVolume( ieee1394service, node_id, fb_id, FunctionBlockCmd::eCA_Current );
98     printf( "max volume value = %d\n", maxVolume );
99     printf( "min volume value = %d\n", minVolume );
100     printf( "old volume value = %d\n", curVolume);
101
102     setVolume( ieee1394service, node_id, fb_id, vol );
103
104     curVolume = getVolume( ieee1394service, node_id, fb_id, FunctionBlockCmd::eCA_Current );
105     printf( "new volume value = %d\n", curVolume );
106
107     return true;
108 }
109
110 ///////////////////////////
111 // main
112 //////////////////////////
113 int
114 main(int argc, char **argv)
115 {
116
117     if (argc < 3) {
118         printf("usage: NODE_ID FB_ID VOL\n");
119         exit(0);
120     }
121
122     int errno = 0;
123     char* tail;
124     int node_id = strtol( argv[1], &tail, 0 );
125     int fb_id   = strtol( argv[2], &tail, 0 );
126     int vol     = strtol( argv[3], &tail, 0 );
127
128     if (errno) {
129         perror("argument parsing failed:");
130         return -1;
131     }
132     Ieee1394Service ieee1394service;
133     if ( !ieee1394service.initialize( 0 ) ) {
134         fprintf( stderr, "could not set port on ieee1394service\n" );
135         return -1;
136     }
137
138     doApp( ieee1394service, node_id, fb_id, vol );
139
140     return 0;
141 }
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