1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
#include <sys/types.h>
#include <CoreFoundation/CFBase.h>
#include <IOKit/IOKitLib.h>
#include <IOKit/storage/IOCDTypes.h>
#include <IOKit/storage/IOCDMedia.h>
#include <IOKit/storage/IOCDMediaBSDClient.h>
//=================== VideoCD ==========================
#define CDROM_LEADOUT 0xAA
typedef struct
{
uint8_t sync [12];
uint8_t header [4];
uint8_t subheader [8];
uint8_t data [2324];
uint8_t spare [4];
} cdsector_t;
typedef struct mp_vcd_priv_st
{
int fd;
dk_cd_read_track_info_t entry;
CDMSF msf;
cdsector_t buf;
} mp_vcd_priv_t;
static inline void vcd_set_msf(mp_vcd_priv_t* vcd, unsigned int sect)
{
vcd->msf.frame=sect%75;
sect=sect/75;
vcd->msf.second=sect%60;
sect=sect/60;
vcd->msf.minute=sect;
}
static inline unsigned int vcd_get_msf(mp_vcd_priv_t* vcd)
{
return vcd->msf.frame +
(vcd->msf.second+
vcd->msf.minute*60)*75;
return 0;
}
int vcd_seek_to_track(mp_vcd_priv_t* vcd, int track)
{
struct CDTrackInfo entry;
memset( &vcd->entry, 0, sizeof(vcd->entry));
vcd->entry.addressType = kCDTrackInfoAddressTypeTrackNumber;
vcd->entry.address = track;
vcd->entry.bufferLength = sizeof(entry);
vcd->entry.buffer = &entry;
if (ioctl(vcd->fd, DKIOCCDREADTRACKINFO, &vcd->entry))
{
mp_msg(MSGT_STREAM,MSGL_ERR,"ioctl dif1: %s\n",strerror(errno));
return -1;
}
return VCD_SECTOR_DATA*vcd_get_msf(vcd);
return -1;
}
int vcd_get_track_end(mp_vcd_priv_t* vcd, int track)
{
dk_cd_read_disc_info_t tochdr;
struct CDDiscInfo hdr;
struct CDTrackInfo entry;
//read toc header
memset(&tochdr, 0, sizeof(tochdr));
tochdr.buffer = &hdr;
tochdr.bufferLength = sizeof(hdr);
if (ioctl(vcd->fd, DKIOCCDREADDISCINFO, &tochdr) < 0)
{
mp_msg(MSGT_OPEN,MSGL_ERR,"read CDROM toc header: %s\n",strerror(errno));
return NULL;
}
//read track info
memset( &vcd->entry, 0, sizeof(vcd->entry));
vcd->entry.addressType = kCDTrackInfoAddressTypeTrackNumber;
vcd->entry.address = track<(hdr.lastTrackNumberInLastSessionLSB+1)?(track):CDROM_LEADOUT;
vcd->entry.bufferLength = sizeof(entry);
vcd->entry.buffer = &entry;
if (ioctl(vcd->fd, DKIOCCDREADTRACKINFO, &vcd->entry))
{
mp_msg(MSGT_STREAM,MSGL_ERR,"ioctl dif2: %s\n",strerror(errno));
return -1;
}
return VCD_SECTOR_DATA*vcd_get_msf(vcd);
return -1;
}
mp_vcd_priv_t* vcd_read_toc(int fd)
{
dk_cd_read_disc_info_t tochdr;
struct CDDiscInfo hdr;
dk_cd_read_track_info_t tocentry;
struct CDTrackInfo entry;
CDMSF trackMSF;
mp_vcd_priv_t* vcd;
int i, min = 0, sec = 0, frame = 0;
//read toc header
memset(&tochdr, 0, sizeof(tochdr));
tochdr.buffer = &hdr;
tochdr.bufferLength = sizeof(hdr);
if (ioctl(fd, DKIOCCDREADDISCINFO, &tochdr) < 0)
{
mp_msg(MSGT_OPEN,MSGL_ERR,"read CDROM toc header: %s\n",strerror(errno));
return NULL;
}
//print all track info
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VCD_START_TRACK=%d\n", hdr.firstTrackNumberInLastSessionLSB);
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VCD_END_TRACK=%d\n", hdr.lastTrackNumberInLastSessionLSB);
for (i=hdr.firstTrackNumberInLastSessionLSB ; i<=hdr.lastTrackNumberInLastSessionLSB + 1; i++)
{
memset( &tocentry, 0, sizeof(tocentry));
tocentry.addressType = kCDTrackInfoAddressTypeTrackNumber;
tocentry.address = i<=hdr.lastTrackNumberInLastSessionLSB ? i : CDROM_LEADOUT;
tocentry.bufferLength = sizeof(entry);
tocentry.buffer = &entry;
if (ioctl(fd,DKIOCCDREADTRACKINFO,&tocentry)==-1)
{
mp_msg(MSGT_OPEN,MSGL_ERR,"read CDROM toc entry: %s\n",strerror(errno));
return NULL;
}
trackMSF = CDConvertLBAToMSF(entry.trackStartAddress);
//mp_msg(MSGT_OPEN,MSGL_INFO,"track %02d: adr=%d ctrl=%d format=%d %02d:%02d:%02d\n",
if (i<=hdr.lastTrackNumberInLastSessionLSB)
mp_msg(MSGT_OPEN,MSGL_INFO,"track %02d: format=%d %02d:%02d:%02d\n",
(int)tocentry.address,
//(int)tocentry.entry.addr_type,
//(int)tocentry.entry.control,
(int)tocentry.addressType,
(int)trackMSF.minute,
(int)trackMSF.second,
(int)trackMSF.frame
);
if (mp_msg_test(MSGT_IDENTIFY, MSGL_INFO))
{
if (i > hdr.firstTrackNumberInLastSessionLSB)
{
min = trackMSF.minute - min;
sec = trackMSF.second - sec;
frame = trackMSF.frame - frame;
if ( frame < 0 )
{
frame += 75;
sec --;
}
if ( sec < 0 )
{
sec += 60;
min --;
}
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VCD_TRACK_%d_MSF=%02d:%02d:%02d\n", i - 1, min, sec, frame);
}
min = trackMSF.minute;
sec = trackMSF.second;
frame = trackMSF.frame;
}
}
vcd = malloc(sizeof(mp_vcd_priv_t));
vcd->fd = fd;
vcd->msf = trackMSF;
return vcd;
return NULL;
}
static int vcd_read(mp_vcd_priv_t* vcd,char *mem)
{
if (pread(vcd->fd,&vcd->buf,VCD_SECTOR_SIZE,vcd_get_msf(vcd)*VCD_SECTOR_SIZE) != VCD_SECTOR_SIZE)
return 0; // EOF?
vcd->msf.frame++;
if (vcd->msf.frame==75)
{
vcd->msf.frame=0;
vcd->msf.second++;
if (vcd->msf.second==60)
{
vcd->msf.second=0;
vcd->msf.minute++;
}
}
memcpy(mem,vcd->buf.data,VCD_SECTOR_DATA);
return VCD_SECTOR_DATA;
return 0;
}
|
