]>
Commit | Line | Data |
---|---|---|
1 | //////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: cdlinux.cpp | |
3 | // Purpose: wxMMedia | |
4 | // Author: Guilhem Lavaux | |
5 | // Created: 1997 | |
6 | // Updated: 1998 | |
7 | // Copyright: (C) 1997, 1998, Guilhem Lavaux | |
8 | // CVS Id: $Id$ | |
9 | // License: wxWindows license | |
10 | //////////////////////////////////////////////////////////////////////////////// | |
11 | #ifdef __GNUG__ | |
12 | #pragma implementation "cdunix.h" | |
13 | #endif | |
14 | ||
15 | #include <sys/types.h> | |
16 | #include <sys/ioctl.h> | |
17 | #include <stdio.h> | |
18 | #include <fcntl.h> | |
19 | #include <unistd.h> | |
20 | ||
21 | #ifdef __linux__ | |
22 | #include <linux/cdrom.h> | |
23 | #else | |
24 | // For Solaris | |
25 | #include <sys/cdio.h> | |
26 | #endif | |
27 | ||
28 | #ifdef WX_PRECOMP | |
29 | #include "wx/wxprec.h" | |
30 | #else | |
31 | #include "wx/wx.h" | |
32 | #endif | |
33 | #include "cdbase.h" | |
34 | #include "cdunix.h" | |
35 | ||
36 | IMPLEMENT_DYNAMIC_CLASS(wxCDAudioLinux, wxCDAudio) | |
37 | ||
38 | wxCDAudioLinux::wxCDAudioLinux() | |
39 | : wxCDAudio(), m_fd(-1) | |
40 | { | |
41 | OpenDevice("/dev/cdrom"); | |
42 | } | |
43 | ||
44 | wxCDAudioLinux::wxCDAudioLinux(const char *dev_name) | |
45 | : wxCDAudio(), m_fd(-1) | |
46 | { | |
47 | OpenDevice(dev_name); | |
48 | } | |
49 | ||
50 | wxCDAudioLinux::~wxCDAudioLinux() | |
51 | { | |
52 | if (m_fd != -1) { | |
53 | close(m_fd); | |
54 | wxDELETE(m_trksize); | |
55 | wxDELETE(m_trkpos); | |
56 | } | |
57 | } | |
58 | ||
59 | void wxCDAudioLinux::OpenDevice(const char *dev_name) | |
60 | { | |
61 | struct cdrom_tocentry entry, old_entry; | |
62 | struct cdrom_tochdr diskinf; | |
63 | struct cdrom_msf0 *msf = &entry.cdte_addr.msf, | |
64 | *old_msf = &old_entry.cdte_addr.msf; | |
65 | wxCDtime *the_track; | |
66 | wxCDtime tot_tm; | |
67 | wxUint8 nb_tracks, i; | |
68 | int hour, minute, second; | |
69 | ||
70 | if (m_fd != -1) | |
71 | return; | |
72 | ||
73 | m_fd = open(dev_name, O_RDONLY); | |
74 | if (m_fd == -1) { | |
75 | m_toc = NULL; | |
76 | return; | |
77 | } | |
78 | m_status = STOPPED; | |
79 | ||
80 | ioctl(m_fd, CDROMREADTOCHDR, &diskinf); | |
81 | ||
82 | nb_tracks = diskinf.cdth_trk1-diskinf.cdth_trk0+1; | |
83 | m_trksize = new wxCDtime[nb_tracks+1]; | |
84 | m_trkpos = new wxCDtime[nb_tracks+1]; | |
85 | ||
86 | old_msf->minute = 0; | |
87 | old_msf->second = 0; | |
88 | for (i=diskinf.cdth_trk0;i<=diskinf.cdth_trk1;i++) { | |
89 | entry.cdte_track = i; | |
90 | entry.cdte_format = CDROM_MSF; | |
91 | ioctl(m_fd, CDROMREADTOCENTRY, &entry); | |
92 | ||
93 | minute = msf->minute - old_msf->minute; | |
94 | second = msf->second - old_msf->second; | |
95 | if (second < 0) { | |
96 | minute--; | |
97 | second += 60; | |
98 | } | |
99 | ||
100 | hour = minute / 60; | |
101 | minute %= 60; | |
102 | ||
103 | the_track = &m_trksize[i-diskinf.cdth_trk0]; | |
104 | the_track->track = i-diskinf.cdth_trk0; | |
105 | the_track->hour = hour; | |
106 | the_track->min = minute; | |
107 | the_track->sec = second; | |
108 | ||
109 | the_track = &m_trkpos[i-diskinf.cdth_trk0]; | |
110 | the_track->track = i-diskinf.cdth_trk0; | |
111 | the_track->hour = old_msf->minute / 60; | |
112 | the_track->min = old_msf->minute % 60; | |
113 | the_track->sec = old_msf->second; | |
114 | old_entry = entry; | |
115 | } | |
116 | ||
117 | entry.cdte_track = CDROM_LEADOUT; | |
118 | entry.cdte_format = CDROM_MSF; | |
119 | ioctl(m_fd, CDROMREADTOCENTRY, &entry); | |
120 | ||
121 | tot_tm.track = nb_tracks; | |
122 | tot_tm.hour = msf->minute / 60; | |
123 | tot_tm.min = msf->minute % 60; | |
124 | tot_tm.sec = msf->second % 60; | |
125 | ||
126 | m_trksize[nb_tracks].track = nb_tracks; | |
127 | minute = msf->minute - old_msf->minute; | |
128 | second = msf->second - old_msf->second; | |
129 | if (second < 0) { | |
130 | minute--; | |
131 | second += 60; | |
132 | } | |
133 | hour = minute / 60; | |
134 | minute %= 60; | |
135 | ||
136 | m_trksize[nb_tracks].hour = hour; | |
137 | m_trksize[nb_tracks].min = minute; | |
138 | m_trksize[nb_tracks].sec = second; | |
139 | m_trkpos[nb_tracks].track = nb_tracks; | |
140 | m_trkpos[nb_tracks].hour = old_msf->minute / 60; | |
141 | m_trkpos[nb_tracks].min = old_msf->minute % 60; | |
142 | m_trkpos[nb_tracks].sec = old_msf->second; | |
143 | ||
144 | m_toc = new CDtoc(tot_tm, m_trksize, m_trkpos); | |
145 | } | |
146 | ||
147 | bool wxCDAudioLinux::Play(const wxCDtime& beg_time, const wxCDtime& end_time) | |
148 | { | |
149 | struct cdrom_msf track_msf; | |
150 | ||
151 | track_msf.cdmsf_min0 = beg_time.hour * 60 + beg_time.min; | |
152 | track_msf.cdmsf_sec0 = beg_time.sec; | |
153 | track_msf.cdmsf_frame0 = 0; | |
154 | track_msf.cdmsf_min1 = end_time.hour * 60 + end_time.min; | |
155 | track_msf.cdmsf_sec1 = end_time.sec; | |
156 | track_msf.cdmsf_frame1 = 0; | |
157 | return (ioctl(m_fd, CDROMPLAYMSF, &track_msf) != -1); | |
158 | } | |
159 | ||
160 | bool wxCDAudioLinux::Pause() | |
161 | { | |
162 | return (ioctl(m_fd, CDROMPAUSE, 0) != -1); | |
163 | } | |
164 | ||
165 | bool wxCDAudioLinux::Resume() | |
166 | { | |
167 | return (ioctl(m_fd, CDROMRESUME, 0) != -1); | |
168 | } | |
169 | ||
170 | wxCDAudio::CDstatus wxCDAudioLinux::GetStatus() | |
171 | { | |
172 | struct cdrom_subchnl subchnl; | |
173 | ioctl(m_fd, CDROMSUBCHNL, &subchnl); | |
174 | switch (subchnl.cdsc_audiostatus) { | |
175 | case CDROM_AUDIO_PLAY: return PLAYING; | |
176 | case CDROM_AUDIO_PAUSED: return PAUSED; | |
177 | case CDROM_AUDIO_COMPLETED: return STOPPED; | |
178 | } | |
179 | ||
180 | return STOPPED; | |
181 | } | |
182 | ||
183 | wxCDtime wxCDAudioLinux::GetTime() | |
184 | { | |
185 | wxCDtime cdtime; | |
186 | struct cdrom_subchnl subchnl; | |
187 | ||
188 | ioctl(m_fd, CDROMSUBCHNL, &subchnl); | |
189 | cdtime.track = subchnl.cdsc_trk; | |
190 | cdtime.min = subchnl.cdsc_reladdr.msf.minute; | |
191 | cdtime.hour = cdtime.min / 60; | |
192 | cdtime.min %= 60; | |
193 | cdtime.sec = subchnl.cdsc_reladdr.msf.second; | |
194 | ||
195 | return cdtime; | |
196 | } | |
197 | ||
198 | wxCDAudio::CDtoc& wxCDAudioLinux::GetToc() | |
199 | { | |
200 | return *m_toc; | |
201 | } |