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
|
/*
DeaDBeeF - ultimate music player for GNU/Linux systems with X11
Copyright (C) 2009 Alexey Yakovenko
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <vorbis/codec.h>
#include <vorbis/vorbisfile.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "codec.h"
#include "cvorbis.h"
#include "playlist.h"
static FILE *file;
static OggVorbis_File vorbis_file;
static vorbis_info *vi;
static int cur_bit_stream;
static float timestart;
static float timeend;
void
cvorbis_free (void);
int
cvorbis_seek (float time);
int
cvorbis_init (struct playItem_s *it) {
file = NULL;
vi = NULL;
cur_bit_stream = -1;
file = fopen (it->fname, "rb");
if (!file) {
return -1;
}
memset (&cvorbis.info, 0, sizeof (fileinfo_t));
ov_open (file, &vorbis_file, NULL, 0);
vi = ov_info (&vorbis_file, -1);
if (!vi) { // not a vorbis stream
cvorbis_free ();
return -1;
}
cvorbis.info.bitsPerSample = 16;
//cvorbis.info.dataSize = ov_pcm_total (&vorbis_file, -1) * vi->channels * 2;
cvorbis.info.channels = vi->channels;
cvorbis.info.samplesPerSecond = vi->rate;
cvorbis.info.readposition = 0;
if (timeend > 0) {
timestart = it->timestart;
timeend = it->timeend;
cvorbis_seek (0);
}
else {
timestart = 0;
timeend = it->duration;
}
// printf ("vorbis info: bps: %d, size: %d, chan: %d, rate: %d, dur: %f\n", cvorbis.info.bitsPerSample, cvorbis.info.dataSize, cvorbis.info.channels, cvorbis.info.samplesPerSecond, cvorbis.info.duration);
return 0;
}
void
cvorbis_free (void) {
if (file) {
ov_clear (&vorbis_file);
//fclose (file); //-- ov_clear closes it
file = NULL;
vi = NULL;
}
}
int
cvorbis_read (char *bytes, int size) {
if (cvorbis.info.readposition >= (timeend - timestart)) {
return 0;
}
int initsize = size;
for (;;)
{
// read ogg
long ret=ov_read (&vorbis_file, bytes, size, 0, 2, 1, &cur_bit_stream);
if (ret < 0)
{
break;
}
else if (ret == 0) {
break;
}
else if (ret < size)
{
size -= ret;
bytes += ret;
}
else {
size = 0;
break;
}
}
cvorbis.info.readposition = ov_time_tell(&vorbis_file) - timestart;
if (cvorbis.info.readposition >= (timeend - timestart)) {
return 0;
}
return initsize - size;
}
int
cvorbis_seek (float time) {
time += timestart;
if (!file) {
return -1;
}
int res = ov_time_seek (&vorbis_file, time);
if (res != 0 && res != OV_ENOSEEK)
return -1;
cvorbis.info.readposition = ov_time_tell(&vorbis_file) - timestart;
return 0;
}
playItem_t *
cvorbis_insert (playItem_t *after, const char *fname) {
// check for validity
FILE *fp = fopen (fname, "rb");
if (!fp) {
return NULL;
}
OggVorbis_File vorbis_file;
vorbis_info *vi;
ov_open (fp, &vorbis_file, NULL, 0);
vi = ov_info (&vorbis_file, -1);
if (!vi) { // not a vorbis stream
return NULL;
}
playItem_t *it = malloc (sizeof (playItem_t));
memset (it, 0, sizeof (playItem_t));
it->codec = &cvorbis;
it->fname = strdup (fname);
it->filetype = "OggVorbis";
it->duration = ov_seekable (&vorbis_file) ? ov_time_total (&vorbis_file, -1) : -1;
playItem_t *cue_after = pl_insert_cue (after, fname, &cvorbis, it->filetype);
if (cue_after) {
cue_after->timeend = it->duration;
cue_after->duration = cue_after->timeend - cue_after->timestart;
pl_item_free (it);
ov_clear (&vorbis_file);
return cue_after;
}
// metainfo
int title_added = 0;
vorbis_comment *vc = ov_comment (&vorbis_file, -1);
if (vc) {
pl_add_meta (it, "vendor", vc->vendor);
for (int i = 0; i < vc->comments; i++) {
if (!strncmp (vc->user_comments[i], "artist=", 7)) {
pl_add_meta (it, "artist", vc->user_comments[i] + 7);
}
else if (!strncmp (vc->user_comments[i], "title=", 6)) {
pl_add_meta (it, "title", vc->user_comments[i] + 6);
title_added = 1;
}
else if (!strncmp (vc->user_comments[i], "date=", 5)) {
pl_add_meta (it, "date", vc->user_comments[i] + 5);
}
}
}
if (!title_added) {
pl_add_meta (it, "title", NULL);
}
ov_clear (&vorbis_file);
after = pl_insert_item (after, it);
return after;
}
static const char * exts[]=
{
"ogg",NULL
};
const char **cvorbis_getexts (void) {
return exts;
}
codec_t cvorbis = {
.init = cvorbis_init,
.free = cvorbis_free,
.read = cvorbis_read,
.seek = cvorbis_seek,
.insert = cvorbis_insert,
.getexts = cvorbis_getexts,
.id = "stdogg",
.filetypes = { "OggVorbis", NULL }
};
|
