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Rev | Author | Line No. | Line |
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2 | pj | 1 | /* |
2 | * mpg123 defines |
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3 | * used source: musicout.h from mpegaudio package |
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4 | */ |
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5 | |||
6 | #include <stdio.h> |
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31 | pj | 7 | #include <stdlib.h> |
2 | pj | 8 | #include <string.h> |
9 | #include <signal.h> |
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10 | #include <math.h> |
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11 | |||
12 | #include <unistd.h> |
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13 | |||
14 | #ifdef OS2 |
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15 | #include <float.h> |
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16 | #endif |
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17 | |||
18 | |||
19 | #define MPG123_REMOTE |
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20 | #define SHUFFLESUPPORT |
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21 | #ifdef HPUX |
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22 | #define random rand |
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23 | #define srandom srand |
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24 | #endif |
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25 | |||
26 | #define FRONTEND_SAJBER 1 |
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27 | #define FRONTEND_TK3PLAY 2 |
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28 | |||
29 | |||
30 | #ifdef SGI |
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31 | #include <audio.h> |
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32 | #endif |
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33 | |||
34 | #include "xfermem.h" |
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35 | |||
36 | #ifdef SUNOS |
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37 | #define memmove(dst,src,size) bcopy(src,dst,size) |
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38 | #endif |
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39 | |||
40 | #ifdef REAL_IS_FLOAT |
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41 | # define real float |
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42 | #elif defined(REAL_IS_LONG_DOUBLE) |
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43 | # define real long double |
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44 | #else |
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45 | # define real double |
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46 | #endif |
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47 | |||
48 | #ifdef __GNUC__ |
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49 | #define INLINE inline |
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50 | #else |
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51 | #define INLINE |
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52 | #endif |
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53 | |||
54 | #if defined(LINUX) || defined(__FreeBSD__) |
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55 | #define VOXWARE |
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56 | #endif |
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57 | |||
58 | #include "audio.h" |
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59 | |||
60 | /* AUDIOBUFSIZE = n*64 with n=1,2,3 ... */ |
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61 | #define AUDIOBUFSIZE 16384 |
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62 | |||
63 | #define FALSE 0 |
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64 | #define TRUE 1 |
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65 | |||
66 | #define MAX_NAME_SIZE 81 |
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67 | #define SBLIMIT 32 |
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68 | #define SCALE_BLOCK 12 |
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69 | #define SSLIMIT 18 |
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70 | |||
71 | #define MPG_MD_STEREO 0 |
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72 | #define MPG_MD_JOINT_STEREO 1 |
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73 | #define MPG_MD_DUAL_CHANNEL 2 |
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74 | #define MPG_MD_MONO 3 |
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75 | |||
76 | #define MAXOUTBURST 32768 |
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77 | |||
78 | |||
79 | struct al_table |
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80 | { |
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81 | short bits; |
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82 | short d; |
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83 | }; |
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84 | |||
85 | struct frame { |
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86 | struct al_table *alloc; |
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87 | int (*synth)(real *,int,unsigned char *); |
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88 | int (*synth_mono)(real *,unsigned char *); |
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89 | int stereo; |
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90 | int jsbound; |
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91 | int single; |
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92 | int II_sblimit; |
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93 | int lsf; |
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94 | int mpeg25; |
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95 | int down_sample; |
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96 | int header_change; |
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97 | int block_size; |
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98 | int lay; |
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99 | int (*do_layer)(struct frame *fr,int,struct audio_info_struct *); |
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100 | int error_protection; |
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101 | int bitrate_index; |
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102 | int sampling_frequency; |
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103 | int padding; |
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104 | int extension; |
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105 | int mode; |
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106 | int mode_ext; |
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107 | int copyright; |
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108 | int original; |
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109 | int emphasis; |
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110 | }; |
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111 | |||
112 | extern int outmode; |
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113 | extern int tryresync; |
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114 | extern int quiet; |
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115 | extern int halfspeed; |
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116 | extern int usebuffer; |
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117 | extern int buffer_fd[2]; |
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118 | extern txfermem *buffermem; |
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119 | extern char *prgName, *prgVersion; |
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120 | |||
121 | #ifndef OS2 |
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122 | extern void buffer_loop(struct audio_info_struct *ai, sigset_t *oldsigset); |
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123 | #endif |
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124 | |||
125 | /* ------ Declarations from "httpget.c" ------ */ |
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126 | |||
127 | extern char *proxyurl; |
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128 | extern unsigned long proxyip; |
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129 | extern FILE *http_open (char *url); |
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130 | |||
131 | /* ------ Declarations from "common.c" ------ */ |
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132 | |||
133 | extern void audio_flush(int, struct audio_info_struct *); |
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134 | extern void (*catchsignal(int signum, void(*handler)()))(); |
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135 | |||
136 | extern void print_header(struct frame *); |
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137 | extern void print_header_compact(struct frame *); |
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138 | |||
139 | extern char *strndup(const char *src, int num); |
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140 | extern int split_dir_file(const char *path, char **dname, char **fname); |
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141 | |||
142 | extern unsigned int get1bit(void); |
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143 | extern unsigned int getbits(int); |
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144 | extern unsigned int getbits_fast(int); |
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145 | |||
146 | extern void set_pointer(long); |
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147 | |||
148 | extern unsigned char *pcm_sample; |
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149 | extern int pcm_point; |
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150 | extern int audiobufsize; |
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151 | |||
152 | #ifdef VARMODESUPPORT |
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153 | extern int varmode; |
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154 | extern int playlimit; |
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155 | #endif |
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156 | |||
157 | struct III_sideinfo |
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158 | { |
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159 | unsigned main_data_begin; |
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160 | unsigned private_bits; |
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161 | struct { |
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162 | struct gr_info_s { |
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163 | int scfsi; |
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164 | unsigned part2_3_length; |
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165 | unsigned big_values; |
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166 | unsigned scalefac_compress; |
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167 | unsigned block_type; |
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168 | unsigned mixed_block_flag; |
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169 | unsigned table_select[3]; |
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170 | unsigned subblock_gain[3]; |
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171 | unsigned maxband[3]; |
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172 | unsigned maxbandl; |
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173 | unsigned maxb; |
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174 | unsigned region1start; |
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175 | unsigned region2start; |
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176 | unsigned preflag; |
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177 | unsigned scalefac_scale; |
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178 | unsigned count1table_select; |
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179 | real *full_gain[3]; |
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180 | real *pow2gain; |
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181 | } gr[2]; |
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182 | } ch[2]; |
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183 | }; |
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184 | |||
185 | extern void open_stream(char *,int fd); |
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186 | extern void close_stream(void); |
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187 | extern long tell_stream(void); |
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188 | extern void read_frame_init (void); |
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189 | extern int read_frame(struct frame *fr); |
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190 | extern int back_frame(struct frame *fr,int num); |
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191 | extern void play_frame(int init,struct frame *fr); |
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192 | extern int do_layer3(struct frame *fr,int,struct audio_info_struct *); |
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193 | extern int do_layer2(struct frame *fr,int,struct audio_info_struct *); |
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194 | extern int do_layer1(struct frame *fr,int,struct audio_info_struct *); |
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195 | extern int synth_1to1 (real *,int,unsigned char *); |
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196 | extern int synth_1to1_8bit (real *,int,unsigned char *); |
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197 | extern int synth_2to1 (real *,int,unsigned char *); |
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198 | extern int synth_2to1_8bit (real *,int,unsigned char *); |
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199 | extern int synth_4to1 (real *,int,unsigned char *); |
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200 | extern int synth_4to1_8bit (real *,int,unsigned char *); |
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201 | extern int synth_1to1_mono (real *,unsigned char *); |
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202 | extern int synth_1to1_8bit_mono (real *,unsigned char *); |
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203 | extern int synth_2to1_mono (real *,unsigned char *); |
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204 | extern int synth_2to1_8bit_mono (real *,unsigned char *); |
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205 | extern int synth_4to1_mono (real *,unsigned char *); |
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206 | extern int synth_4to1_8bit_mono (real *,unsigned char *); |
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207 | extern void rewindNbits(int bits); |
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208 | extern int hsstell(void); |
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209 | extern void set_pointer(long); |
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210 | extern void huffman_decoder(int ,int *); |
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211 | extern void huffman_count1(int,int *); |
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212 | |||
213 | extern void init_layer3(int); |
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214 | extern void init_layer2(void); |
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215 | extern void make_decode_tables(long scale); |
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216 | extern void make_conv16to8_table(int); |
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217 | extern void dct64(real *,real *,real *); |
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218 | |||
219 | extern void control_sajber(struct frame *fr); |
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220 | extern void control_tk3play(struct frame *fr); |
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221 | |||
222 | extern unsigned char *conv16to8; |
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223 | extern long freqs[7]; |
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224 | extern real muls[27][64]; |
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225 | extern real decwin[512+32]; |
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226 | extern real *pnts[5]; |
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227 | |||
228 |