| 1 | /* FCE Ultra - NES/Famicom Emulator |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 16 | */ |
| 17 | |
| 18 | #include <stdio.h> |
| 19 | #include <string.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <sys/time.h> |
| 22 | #include <unistd.h> |
| 23 | #include <sys/ioctl.h> |
| 24 | #include <linux/soundcard.h> |
| 25 | |
| 26 | #include "gp2x.h" |
| 27 | #include "minimal.h" |
| 28 | #include "throttle.h" |
| 29 | |
| 30 | |
| 31 | extern int soundvol; |
| 32 | extern unsigned long gp2x_dev[8]; |
| 33 | |
| 34 | // always have this call |
| 35 | INLINE void gp2x_sound_frame(void *blah, void *buff, int samples) |
| 36 | { |
| 37 | } |
| 38 | |
| 39 | void WriteSound(int16 *Buffer, int Count) |
| 40 | { |
| 41 | write(gp2x_dev[3], Buffer, Count<<1); |
| 42 | SpeedThrottle(); |
| 43 | } |
| 44 | |
| 45 | void* gp2x_write_sound(void* blah) |
| 46 | { |
| 47 | return NULL; |
| 48 | } |
| 49 | |
| 50 | void SilenceSound(int n) |
| 51 | { |
| 52 | soundvol=0; |
| 53 | } |
| 54 | |
| 55 | int InitSound(FCEUGI *gi) |
| 56 | { |
| 57 | Settings.sound=22050; |
| 58 | FCEUI_Sound(Settings.sound); |
| 59 | gp2x_sound_volume(soundvol, soundvol); |
| 60 | printf("InitSound() sound_rate: %d\n", Settings.sound); |
| 61 | return 1; |
| 62 | } |
| 63 | |
| 64 | uint32 GetMaxSound(void) |
| 65 | { |
| 66 | return(4096); |
| 67 | } |
| 68 | |
| 69 | uint32 GetWriteSound(void) |
| 70 | { |
| 71 | return 1024; |
| 72 | } |
| 73 | |
| 74 | int KillSound(void) |
| 75 | { |
| 76 | FCEUI_Sound(0); |
| 77 | |
| 78 | return 1; |
| 79 | } |
| 80 | |