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
|
/*
* Copyright 2019 Max Kellermann <max.kellermann@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef CDIO_PARANOIA_HXX
#define CDIO_PARANOIA_HXX
#include "util/ConstBuffer.hxx"
#include "util/Compiler.h"
#include <cdio/version.h>
#include <cdio/paranoia/paranoia.h>
#include <stdexcept>
#include <utility>
#include <cstdio>
class CdromDrive {
cdrom_drive_t *drv = nullptr;
public:
CdromDrive() = default;
explicit CdromDrive(CdIo_t *cdio)
:drv(cdio_cddap_identify_cdio(cdio, 1, nullptr))
{
if (drv == nullptr)
throw std::runtime_error("Failed to identify audio CD");
cdda_verbose_set(drv, CDDA_MESSAGE_FORGETIT,
CDDA_MESSAGE_FORGETIT);
}
~CdromDrive() noexcept {
if (drv != nullptr)
cdio_cddap_close_no_free_cdio(drv);
}
CdromDrive(CdromDrive &&src) noexcept
:drv(std::exchange(src.drv, nullptr)) {}
CdromDrive &operator=(CdromDrive &&src) noexcept {
using std::swap;
swap(drv, src.drv);
return *this;
}
auto get() const noexcept {
return drv;
}
void Open() {
if (cdio_cddap_open(drv) != 0)
throw std::runtime_error("Failed to open disc");
}
auto GetDiscSectorRange() const {
auto first = cdio_cddap_disc_firstsector(drv);
auto last = cdio_cddap_disc_lastsector(drv);
if (first < 0 || last < 0)
throw std::runtime_error("Failed to get disc audio sectors");
return std::make_pair(first, last);
}
gcc_pure
bool IsAudioTrack(track_t i) const noexcept {
return cdio_cddap_track_audiop(drv, i);
}
auto GetTrackSectorRange(track_t i) const {
auto first = cdio_cddap_track_firstsector(drv, i);
auto last = cdio_cddap_track_lastsector(drv, i);
if (first < 0 || last < 0)
throw std::runtime_error("Invalid track number");
return std::make_pair(first, last);
}
gcc_pure
unsigned GetTrackCount() const noexcept {
return cdio_cddap_tracks(drv);
}
unsigned GetTrackChannels(track_t i) const {
auto value = cdio_cddap_track_channels(drv, i);
if (value < 0)
throw std::runtime_error("cdio_cddap_track_channels() failed");
return unsigned(value);
}
};
class CdromParanoia {
cdrom_paranoia_t *paranoia = nullptr;
public:
CdromParanoia() = default;
explicit CdromParanoia(cdrom_drive_t *drv) noexcept
:paranoia(cdio_paranoia_init(drv)) {}
~CdromParanoia() noexcept {
if (paranoia != nullptr)
cdio_paranoia_free(paranoia);
}
CdromParanoia(CdromParanoia &&src) noexcept
:paranoia(std::exchange(src.paranoia, nullptr)) {}
CdromParanoia &operator=(CdromParanoia &&src) noexcept {
using std::swap;
swap(paranoia, src.paranoia);
return *this;
}
auto get() const noexcept {
return paranoia;
}
void SetMode(int mode_flags) noexcept {
paranoia_modeset(paranoia, mode_flags);
}
void Seek(int32_t seek, int whence=SEEK_SET) {
if (cdio_paranoia_seek(paranoia, seek, whence) < 0)
throw std::runtime_error("Failed to seek disc");
}
ConstBuffer<int16_t> Read() {
const int16_t *data = cdio_paranoia_read(paranoia, nullptr);
if (data == nullptr)
throw std::runtime_error("Read from audio CD failed");
return {data, CDIO_CD_FRAMESIZE_RAW / sizeof(int16_t)};
}
};
#endif
|
