xref: /btstack/example/mod_player.c (revision 046b44372d25c7bd6fe78e5cf6e5176a1979f437)
1 /*
2  * Copyright (C) 2014 BlueKitchen GmbH
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the copyright holders nor the names of
14  *    contributors may be used to endorse or promote products derived
15  *    from this software without specific prior written permission.
16  * 4. Any redistribution, use, or modification is done solely for
17  *    personal benefit and not for any commercial purpose or for
18  *    monetary gain.
19  *
20  * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
24  * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
27  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
30  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * Please inquire about commercial licensing options at
34  * [email protected]
35  *
36  */
37 
38 #define BTSTACK_FILE__ "mod_player.c"
39 
40 #include "btstack.h"
41 #include "hxcmod.h"
42 #include "mods/mod.h"
43 
44 static modcontext mod_context;
45 
46 static void audio_playback(int16_t * buffer, uint16_t num_samples){
47 	hxcmod_fillbuffer(&mod_context, (unsigned short *) buffer, num_samples, NULL);
48 }
49 
50 int btstack_main(int argc, const char * argv[]);
51 int btstack_main(int argc, const char * argv[]){
52     (void)argc;
53     (void)argv;
54 
55     // load mod
56 	int hxcmod_initialized = hxcmod_init(&mod_context);
57     if (!hxcmod_initialized) return 10;
58 
59     hxcmod_setcfg(&mod_context, 44100, 16, 1, 1, 1);
60     hxcmod_load(&mod_context, (void *) &mod_data, mod_len);
61 
62     // setup audio playback
63     const btstack_audio_sink_t * audio = btstack_audio_sink_get_instance();
64     if (!audio){
65         printf("BTstack Audio Sink not setup\n");
66         return 10;
67     }
68     audio->init(2, 44100, &audio_playback);
69     audio->start_stream();
70 
71     return 0;
72 }
73