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
|
/*
apedec - Monkey's Audio Decoder plugin for DeaDBeeF player
http://deadbeef.sourceforge.net
Copyright (C) 2009 Alexey Yakovenko
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
Note: DeaDBeeF player itself uses different license
*/
#include <stdio.h>
#include <string.h>
#include <time.h>
#include "../../deadbeef.h"
#include "apewrapper.h"
#define min(x,y) ((x)<(y)?(x):(y))
#define max(x,y) ((x)>(y)?(x):(y))
static DB_decoder_t plugin;
static DB_functions_t *deadbeef;
static void *ape_dec;
static int ape_blk_size;
#define READBUF_SIZE 0x20000
static char ape_readbuf[READBUF_SIZE];
static int ape_blocks_left;
static int ape_total_blocks;
static float timestart;
static float timeend;
static int samplesdecoded;
static int
ape_seek (float seconds);
static int
ape_init (DB_playItem_t *it) {
ape_dec = ape_decompress_create (it->fname);
if (!ape_dec) {
printf ("ape_decompress_create failed for file %s\n", it->fname);
return -1;
}
WAVEFORMATEX wfe;
ape_decompress_get_info_data (ape_dec, APE_INFO_WAVEFORMATEX, &wfe);
int size = ape_decompress_get_info_int (ape_dec, APE_INFO_WAV_HEADER_BYTES);
char buf[size];
ape_decompress_get_info_data_sized (ape_dec, APE_INFO_WAV_HEADER_DATA, buf, size);
ape_blk_size = ape_decompress_get_info_int (ape_dec, APE_INFO_BLOCK_ALIGN);
ape_total_blocks = ape_blocks_left = ape_decompress_get_info_int (ape_dec, APE_DECOMPRESS_TOTAL_BLOCKS);
samplesdecoded = 0;
plugin.info.bps = wfe.wBitsPerSample;
plugin.info.samplerate = wfe.nSamplesPerSec;
plugin.info.channels = wfe.nChannels;
plugin.info.readpos = 0;
if (it->timeend > 0) {
timestart = it->timestart;
timeend = it->timeend;
ape_seek (0);
}
else {
timestart = 0;
timeend = it->duration;
}
return 0;
}
static void
ape_free (void) {
if (ape_dec) {
ape_decompress_destroy (ape_dec);
ape_dec = NULL;
}
}
static int
ape_read (char *buffer, int size) {
int initsize = size;
int nblocks = size / plugin.info.channels / 2;
nblocks = min (nblocks, ape_blocks_left);
nblocks = ape_decompress_getdata (ape_dec, buffer, nblocks);
ape_blocks_left -= nblocks;
samplesdecoded += nblocks;
plugin.info.readpos = samplesdecoded / (float)plugin.info.samplerate - timestart;
return nblocks * 2 * plugin.info.channels;
}
static int
ape_seek (float seconds) {
seconds += timestart;
int nblock = seconds * plugin.info.samplerate;
ape_decompress_seek (ape_dec, nblock);
samplesdecoded = nblock;
ape_blocks_left = ape_total_blocks - nblock;
plugin.info.readpos = samplesdecoded / (float)plugin.info.samplerate - timestart;
}
static DB_playItem_t *
ape_insert (DB_playItem_t *after, const char *fname) {
void *dec = ape_decompress_create (fname);
if (!dec) {
ape_decompress_destroy (dec);
return NULL;
}
WAVEFORMATEX wfe;
ape_decompress_get_info_data (dec, APE_INFO_WAVEFORMATEX, &wfe);
float duration = ape_decompress_get_info_int (dec, APE_DECOMPRESS_TOTAL_BLOCKS) / (float)wfe.nSamplesPerSec;
DB_playItem_t *it = deadbeef->pl_insert_cue (after, fname, &plugin, "APE");
if (it) {
ape_decompress_destroy (dec);
it->timeend = duration;
it->duration = it->timeend - it->timestart;
return it;
}
it = deadbeef->pl_item_alloc ();
it->decoder = &plugin;
it->fname = strdup (fname);
it->filetype = "APE";
it->duration = duration;
deadbeef->pl_add_meta (it, "title", NULL);
after = deadbeef->pl_insert_item (after, it);
// print info about ape
ape_decompress_destroy (dec);
return after;
}
static const char * exts[] = { "ape", NULL };
static const char *filetypes[] = { "APE", NULL };
// define plugin interface
static DB_decoder_t plugin = {
.plugin.version_major = 0,
.plugin.version_minor = 1,
.plugin.type = DB_PLUGIN_DECODER,
.plugin.name = "Monkey's Audio decoder",
.plugin.author = "Alexey Yakovenko",
.plugin.email = "waker@users.sourceforge.net",
.plugin.website = "http://deadbeef.sf.net",
.init = ape_init,
.free = ape_free,
.read_int16 = ape_read,
.seek = ape_seek,
.insert = ape_insert,
.exts = exts,
.id = "stdape",
.filetypes = filetypes
};
DB_plugin_t *
ape_load (DB_functions_t *api) {
deadbeef = api;
return DB_PLUGIN (&plugin);
}
|