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
|
/* tracker music (module file) decoding support using libxmp >= v4.2.0
* https://sourceforge.net/projects/xmp/
* https://github.com/cmatsuoka/libxmp.git
*
* Copyright (C) 2016 O.Sezer <sezero@users.sourceforge.net>
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "quakedef.h"
#if defined(USE_CODEC_XMP)
#include "snd_codec.h"
#include "snd_codeci.h"
#include "snd_xmp.h"
#if defined(_WIN32) && defined(XMP_NO_DLL)
#define BUILDING_STATIC
#endif
#include <xmp.h>
#if ((XMP_VERCODE+0) < 0x040200)
#error libxmp version 4.2 or newer is required
#endif
static int S_XMP_StartPlay (snd_stream_t *stream)
{
int fmt = 0;
if (stream->info.channels == 1)
fmt |= XMP_FORMAT_MONO;
if (stream->info.width == 1)
fmt |= XMP_FORMAT_8BIT|XMP_FORMAT_UNSIGNED;
return xmp_start_player((xmp_context)stream->priv, stream->info.rate, fmt);
}
static qboolean S_XMP_CodecInitialize (void)
{
return true;
}
static void S_XMP_CodecShutdown (void)
{
}
static qboolean S_XMP_CodecOpenStream (snd_stream_t *stream)
{
/* need to load the whole file into memory and pass it to libxmp
* using xmp_load_module_from_memory() which requires libxmp >= 4.2.
* libxmp-4.0/4.1 only have xmp_load_module() which accepts a file
* name which isn't good with files in containers like paks, etc. */
xmp_context c;
byte *moddata;
long len;
int mark;
c = xmp_create_context();
if (c == NULL)
return false;
len = FS_filelength (&stream->fh);
mark = Hunk_LowMark();
moddata = (byte *) Hunk_Alloc(len);
FS_fread(moddata, 1, len, &stream->fh);
if (xmp_load_module_from_memory(c, moddata, len) != 0)
{
Con_DPrintf("Could not load module %s\n", stream->name);
goto err1;
}
Hunk_FreeToLowMark(mark); /* free original file data */
stream->priv = c;
if (shm->speed > XMP_MAX_SRATE)
stream->info.rate = 44100;
else if (shm->speed < XMP_MIN_SRATE)
stream->info.rate = 11025;
else stream->info.rate = shm->speed;
stream->info.bits = shm->samplebits;
stream->info.width = stream->info.bits / 8;
stream->info.channels = shm->channels;
if (S_XMP_StartPlay(stream) != 0)
goto err2;
/* percentual left/right channel separation, default is 70. */
if (stream->info.channels == 2)
if (xmp_set_player(c, XMP_PLAYER_MIX, 100) != 0)
goto err3;
/* interpolation type, default is XMP_INTERP_LINEAR */
if (xmp_set_player(c, XMP_PLAYER_INTERP, XMP_INTERP_SPLINE) != 0)
goto err3;
return true;
err3: xmp_end_player(c);
err2: xmp_release_module(c);
err1: xmp_free_context(c);
return false;
}
static int S_XMP_CodecReadStream (snd_stream_t *stream, int bytes, void *buffer)
{
int r;
/* xmp_play_buffer() requires libxmp >= 4.1. it will write
* native-endian pcm data to the buffer. if the data write
* is partial, the rest of the buffer will be zero-filled.
* the last param is the number that the current sequence of
* the song will be looped at max. */
r = xmp_play_buffer((xmp_context)stream->priv, buffer, bytes, 1);
if (r == 0) {
return bytes;
}
if (r == -XMP_END) {
Con_DPrintf("XMP EOF\n");
return 0;
}
return -1;
}
static void S_XMP_CodecCloseStream (snd_stream_t *stream)
{
xmp_context c = (xmp_context)stream->priv;
xmp_end_player(c);
xmp_release_module(c);
xmp_free_context(c);
S_CodecUtilClose(&stream);
}
static int S_XMP_CodecRewindStream (snd_stream_t *stream)
{
int ret;
ret = S_XMP_StartPlay(stream);
if (ret < 0) return ret;
/*ret = xmp_set_position((xmp_context)stream->priv, 0);*/
ret = xmp_seek_time((xmp_context)stream->priv, 0);
if (ret < 0) return ret;
return 0;
}
snd_codec_t xmp_codec =
{
CODECTYPE_MOD,
true, /* always available. */
"s3m",
S_XMP_CodecInitialize,
S_XMP_CodecShutdown,
S_XMP_CodecOpenStream,
S_XMP_CodecReadStream,
S_XMP_CodecRewindStream,
S_XMP_CodecCloseStream,
NULL
};
#endif /* USE_CODEC_XMP */
|
