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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
|
/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPLAYER_VCD_READ_FBSD_H
#define MPLAYER_VCD_READ_FBSD_H
#define _XOPEN_SOURCE 500
#include <sys/types.h>
#include <inttypes.h>
#include <unistd.h>
#include "ffmpeg_files/intreadwrite.h"
#include <sys/cdio.h>
#include <sys/ioctl.h>
#if defined(__NetBSD__) || defined(__OpenBSD__)
#define VCD_NETBSD 1
#endif
#ifdef VCD_NETBSD
#include <sys/scsiio.h>
#define TOCADDR(te) ((te).data->addr)
#define READ_TOC CDIOREADTOCENTRYS
#else
#include <sys/cdrio.h>
#define TOCADDR(te) ((te).entry.addr)
#define READ_TOC CDIOREADTOCENTRY
#endif
#include "mp_msg.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;
#ifdef VCD_NETBSD
typedef struct ioc_read_toc_entry vcd_tocentry;
#else
typedef struct ioc_read_toc_single_entry vcd_tocentry;
#endif
typedef struct mp_vcd_priv_st {
int fd;
vcd_tocentry entry;
#ifdef VCD_NETBSD
struct cd_toc_entry entry_data;
#else
cdsector_t buf;
#endif
struct ioc_toc_header tochdr;
} mp_vcd_priv_t;
static inline void
vcd_set_msf(mp_vcd_priv_t* vcd, unsigned int sect)
{
#ifdef VCD_NETBSD
vcd->entry.data = &vcd->entry_data;
#endif
sect += 150;
TOCADDR(vcd->entry).msf.frame = sect % 75;
sect = sect / 75;
TOCADDR(vcd->entry).msf.second = sect % 60;
sect = sect / 60;
TOCADDR(vcd->entry).msf.minute = sect;
}
static inline void
vcd_inc_msf(mp_vcd_priv_t* vcd)
{
#ifdef VCD_NETBSD
vcd->entry.data = &vcd->entry_data;
#endif
TOCADDR(vcd->entry).msf.frame++;
if (TOCADDR(vcd->entry).msf.frame==75){
TOCADDR(vcd->entry).msf.frame=0;
TOCADDR(vcd->entry).msf.second++;
if (TOCADDR(vcd->entry).msf.second==60){
TOCADDR(vcd->entry).msf.second=0;
TOCADDR(vcd->entry).msf.minute++;
}
}
}
static inline unsigned int
vcd_get_msf(mp_vcd_priv_t* vcd)
{
#ifdef VCD_NETBSD
vcd->entry.data = &vcd->entry_data;
#endif
return TOCADDR(vcd->entry).msf.frame +
(TOCADDR(vcd->entry).msf.second +
TOCADDR(vcd->entry).msf.minute * 60) * 75 - 150;
}
/**
* \brief read a TOC entry
* \param fd device to read from
* \param dst buffer to read data into
* \param nr track number to read info for
* \return 1 on success, 0 on failure
*/
static int
read_toc_entry(mp_vcd_priv_t *vcd, int nr)
{
vcd->entry.address_format = CD_MSF_FORMAT;
#ifdef VCD_NETBSD
vcd->entry.data_len = sizeof(struct cd_toc_entry);
vcd->entry.data = &vcd->entry_data;
vcd->entry.starting_track = nr;
#else
vcd->entry.track = nr;
#endif
if (ioctl(vcd->fd, READ_TOC, &vcd->entry) == -1) {
mp_msg(MSGT_OPEN,MSGL_ERR,"read CDROM toc entry: %s\n",strerror(errno));
return 0;
}
return 1;
}
int
vcd_seek_to_track(mp_vcd_priv_t* vcd, int track)
{
if (!read_toc_entry(vcd, track))
return -1;
return VCD_SECTOR_DATA * vcd_get_msf(vcd);
}
static int
vcd_get_track_end(mp_vcd_priv_t* vcd, int track)
{
if (!read_toc_entry(vcd,
track < vcd->tochdr.ending_track ? track + 1 : CDROM_LEADOUT))
return -1;
return VCD_SECTOR_DATA * vcd_get_msf(vcd);
}
static mp_vcd_priv_t*
vcd_read_toc(int fd)
{
struct ioc_toc_header tochdr;
mp_vcd_priv_t* vcd;
int i, last_startsect;
if (ioctl(fd, CDIOREADTOCHEADER, &tochdr) == -1) {
mp_msg(MSGT_OPEN,MSGL_ERR,"read CDROM toc header: %s\n",strerror(errno));
return NULL;
}
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VCD_START_TRACK=%d\n", tochdr.starting_track);
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VCD_END_TRACK=%d\n", tochdr.ending_track);
vcd = malloc(sizeof(mp_vcd_priv_t));
vcd->fd = fd;
vcd->tochdr = tochdr;
for (i = tochdr.starting_track; i <= tochdr.ending_track + 1; i++) {
if (!read_toc_entry(vcd,
i <= tochdr.ending_track ? i : CDROM_LEADOUT)) {
free(vcd);
return NULL;
}
if (i <= tochdr.ending_track)
mp_msg(MSGT_OPEN,MSGL_INFO,"track %02d: adr=%d ctrl=%d format=%d %02d:%02d:%02d\n",
#ifdef VCD_NETBSD
(int)vcd->entry.starting_track,
(int)vcd->entry.data->addr_type,
(int)vcd->entry.data->control,
#else
(int)vcd->entry.track,
(int)vcd->entry.entry.addr_type,
(int)vcd->entry.entry.control,
#endif
(int)vcd->entry.address_format,
(int)TOCADDR(vcd->entry).msf.minute,
(int)TOCADDR(vcd->entry).msf.second,
(int)TOCADDR(vcd->entry).msf.frame
);
if (mp_msg_test(MSGT_IDENTIFY, MSGL_INFO))
{
int startsect = vcd_get_msf(vcd);
if (i > tochdr.starting_track)
{
// convert duraion to MSF
vcd_set_msf(vcd, startsect - last_startsect);
mp_msg(MSGT_IDENTIFY, MSGL_INFO,
"ID_VCD_TRACK_%d_MSF=%02d:%02d:%02d\n",
i - 1,
TOCADDR(vcd->entry).msf.minute,
TOCADDR(vcd->entry).msf.second,
TOCADDR(vcd->entry).msf.frame);
}
last_startsect = startsect;
}
}
return vcd;
}
static int vcd_end_track(mp_vcd_priv_t* vcd)
{
return vcd->tochdr.ending_track;
}
static int
vcd_read(mp_vcd_priv_t* vcd, char *mem)
{
#ifdef VCD_NETBSD
struct scsireq sc;
int lba = vcd_get_msf(vcd);
int blocks;
int rc;
blocks = 1;
memset(&sc, 0, sizeof(sc));
sc.cmd[0] = 0xBE;
sc.cmd[1] = 5 << 2; // mode2/form2
AV_WB32(&sc.cmd[2], lba);
AV_WB24(&sc.cmd[6], blocks);
sc.cmd[9] = 1 << 4; // user data only
sc.cmd[10] = 0; // no subchannel
sc.cmdlen = 12;
sc.databuf = (caddr_t) mem;
sc.datalen = VCD_SECTOR_DATA;
sc.senselen = sizeof(sc.sense);
sc.flags = SCCMD_READ;
sc.timeout = 10000;
rc = ioctl(vcd->fd, SCIOCCOMMAND, &sc);
if (rc == -1) {
mp_msg(MSGT_STREAM,MSGL_ERR,"SCIOCCOMMAND: %s\n",strerror(errno));
return -1;
}
if (sc.retsts || sc.error) {
mp_msg(MSGT_STREAM,MSGL_ERR,"scsi command failed: status %d error %d\n",
sc.retsts,sc.error);
return -1;
}
#else
if (pread(vcd->fd,&vcd->buf,VCD_SECTOR_SIZE,vcd_get_msf(vcd)*VCD_SECTOR_SIZE)
!= VCD_SECTOR_SIZE) return 0; // EOF?
memcpy(mem,vcd->buf.data,VCD_SECTOR_DATA);
#endif
vcd_inc_msf(vcd);
return VCD_SECTOR_DATA;
}
#endif /* MPLAYER_VCD_READ_FBSD_H */
|
