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 /* EXAMPLE_START(mod_player): Audio Driver - Play 80's MOD Song 41 * 42 */ 43 44 #include "btstack.h" 45 #include "hxcmod.h" 46 #include "mods/mod.h" 47 48 static modcontext mod_context; 49 50 static void audio_playback(int16_t * buffer, uint16_t num_samples){ 51 hxcmod_fillbuffer(&mod_context, (unsigned short *) buffer, num_samples, NULL); 52 } 53 54 int btstack_main(int argc, const char * argv[]); 55 int btstack_main(int argc, const char * argv[]){ 56 (void)argc; 57 (void)argv; 58 59 // load mod 60 int hxcmod_initialized = hxcmod_init(&mod_context); 61 if (!hxcmod_initialized) return 10; 62 63 hxcmod_setcfg(&mod_context, 44100, 16, 1, 1, 1); 64 hxcmod_load(&mod_context, (void *) &mod_data, mod_len); 65 66 // setup audio playback 67 const btstack_audio_sink_t * audio = btstack_audio_sink_get_instance(); 68 if (!audio){ 69 printf("BTstack Audio Sink not setup\n"); 70 return 10; 71 } 72 audio->init(2, 44100, &audio_playback); 73 audio->start_stream(); 74 75 return 0; 76 } 77 78 /* EXAMPLE_END */ 79