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1 | /* FCE Ultra - NES/Famicom Emulator |
2 | * |
3 | * Copyright notice for this file: |
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4 | * Copyright (C) 2002 Xodnizel |
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5 | * |
6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation; either version 2 of the License, or |
9 | * (at your option) any later version. |
10 | * |
11 | * This program is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with this program; if not, write to the Free Software |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 | */ |
20 | |
21 | #include <stdio.h> |
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22 | #include <string.h> |
23 | #include <stdlib.h> |
24 | #include <sys/time.h> |
25 | #include <pthread.h> |
26 | #include <unistd.h> |
27 | #include <sys/ioctl.h> |
28 | #include <linux/soundcard.h> |
29 | |
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30 | #include "sdl.h" |
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31 | #include "minimal.h" |
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32 | |
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33 | #define GP2X_SOUND 1 |
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34 | |
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35 | extern INLINE SpeedThrottle(void); |
36 | extern void pthread_yield(void); |
37 | extern void FCEUI_FrameSkip(int x); |
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38 | |
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39 | //extern int dosound; |
40 | extern int soundvol; |
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41 | |
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42 | // always have this call |
43 | INLINE void gp2x_sound_frame(void *blah, void *buff, int samples) |
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44 | { |
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45 | } |
46 | |
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47 | |
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48 | |
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49 | |
50 | |
51 | //static int sexy_in_function=0; |
52 | #define NumSexyBufferBuffers 2 |
53 | struct timespec gp2x_sleep_ts; |
54 | int firstentry=1; |
55 | //int firstprint=1; |
56 | struct timeval sleeptimer; |
57 | |
58 | |
59 | |
60 | pthread_t gp2x_sexy_sound_thread=0; |
61 | int** SexyBufferBuffers=NULL; |
62 | int SexyBufferBufferCounts[NumSexyBufferBuffers]; |
63 | int gp2x_sound_inited=0; |
64 | int gp2x_in_sound_thread=0; |
65 | extern unsigned long gp2x_dev[8]; |
66 | |
67 | pthread_cond_t gp2x_sound_cond=PTHREAD_COND_INITIALIZER; |
68 | pthread_mutex_t gp2x_sound_mutex = PTHREAD_MUTEX_INITIALIZER; |
69 | int zzdebug01_entry=0; |
70 | int zzdebug01_wait=0; |
71 | int hasSound=0; |
72 | extern unsigned long fps; |
73 | extern unsigned long avg_fps; |
74 | extern unsigned long framesRendered; |
75 | extern unsigned long ticks; |
76 | |
77 | int throttlecount=0; |
78 | |
79 | void WriteSound(int32 *Buffer, int Count) |
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80 | { |
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81 | write(gp2x_dev[3], Buffer, Count<<1); |
82 | pthread_yield(); |
83 | SpeedThrottle(); |
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84 | } |
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85 | |
86 | void* gp2x_write_sound(void* blah) |
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87 | { |
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88 | gp2x_in_sound_thread=1; |
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89 | { |
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90 | if (hasSound) |
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91 | { |
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92 | hasSound=0; |
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93 | } |
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94 | else |
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95 | { |
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96 | } |
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97 | |
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98 | } |
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99 | gp2x_in_sound_thread=0; |
100 | return NULL; |
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101 | } |
102 | |
103 | void SilenceSound(int n) |
104 | { |
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105 | soundvol=0; |
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106 | } |
107 | |
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108 | int InitSound(FCEUGI *gi) |
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109 | { |
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110 | Settings.sound=22050; |
111 | FCEUI_Sound(Settings.sound); |
112 | gp2x_sound_volume(soundvol, soundvol); |
113 | printf("InitSound() sound_rate: %d\n", Settings.sound); |
114 | if(firstentry) |
115 | { |
116 | firstentry=0; |
117 | gp2x_sound_inited=1; |
118 | } |
119 | return 1 ; |
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120 | } |
121 | |
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122 | uint32 GetMaxSound(void) |
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123 | { |
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124 | return(4096); |
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125 | } |
126 | |
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127 | uint32 GetWriteSound(void) |
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128 | { |
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129 | return 1024; |
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130 | } |
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131 | |
132 | int KillSound(void) |
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133 | { |
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134 | FCEUI_Sound(0); |
135 | gp2x_sound_inited=0; |
136 | |
137 | return 1; |
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138 | } |
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139 | |
140 | |
141 | |
142 | |