Mercurial > SDL_sound_CoreAudio
annotate decoders/mpglib/mpg123_sdlsound.h @ 290:1e1724673420
Removed unneeded header (fixes build on BeOS).
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Sun, 17 Mar 2002 19:57:38 +0000 |
| parents | 52b9f37998db |
| children | a9e211c3faa4 |
| rev | line source |
|---|---|
| 261 | 1 #include <stdio.h> |
| 2 #include <string.h> | |
| 3 #include <signal.h> | |
| 4 | |
| 5 #ifndef WIN32 | |
| 6 #include <unistd.h> | |
| 7 #endif | |
| 8 | |
| 9 #include <math.h> | |
| 10 | |
| 11 #ifdef _WIN32 | |
| 12 # undef WIN32 | |
| 13 # define WIN32 | |
| 14 | |
| 15 # define M_PI 3.14159265358979323846 | |
| 16 # define M_SQRT2 1.41421356237309504880 | |
| 17 # define REAL_IS_FLOAT | |
| 18 # define NEW_DCT9 | |
| 19 | |
| 20 # define random rand | |
| 21 # define srandom srand | |
| 22 | |
| 23 #endif | |
| 24 | |
| 25 #ifdef REAL_IS_FLOAT | |
| 26 # define real float | |
| 27 #elif defined(REAL_IS_LONG_DOUBLE) | |
| 28 # define real long double | |
| 29 #else | |
| 30 # define real double | |
| 31 #endif | |
| 32 | |
| 33 #ifdef __GNUC__ | |
| 34 #define INLINE inline | |
| 35 #else | |
| 36 #define INLINE | |
| 37 #endif | |
| 38 | |
| 39 /* AUDIOBUFSIZE = n*64 with n=1,2,3 ... */ | |
| 40 #define AUDIOBUFSIZE 16384 | |
| 41 | |
| 42 #ifndef FALSE | |
| 43 #define FALSE 0 | |
| 44 #endif | |
| 45 #ifndef FALSE | |
| 46 #define TRUE 1 | |
| 47 #endif | |
| 48 | |
| 49 #define SBLIMIT 32 | |
| 50 #define SSLIMIT 18 | |
| 51 | |
| 52 #define SCALE_BLOCK 12 | |
| 53 | |
| 54 | |
| 55 #define MPG_MD_STEREO 0 | |
| 56 #define MPG_MD_JOINT_STEREO 1 | |
| 57 #define MPG_MD_DUAL_CHANNEL 2 | |
| 58 #define MPG_MD_MONO 3 | |
| 59 | |
| 60 #define MAXFRAMESIZE 1792 | |
| 61 | |
| 62 | |
| 63 /* Pre Shift fo 16 to 8 bit converter table */ | |
| 64 #define AUSHIFT (3) | |
| 65 | |
| 66 struct frame { | |
| 67 int stereo; | |
| 68 int jsbound; | |
| 69 int single; | |
| 70 int lsf; | |
| 71 int mpeg25; | |
| 72 int header_change; | |
| 73 int lay; | |
| 74 int error_protection; | |
| 75 int bitrate_index; | |
| 76 int sampling_frequency; | |
| 77 int padding; | |
| 78 int extension; | |
| 79 int mode; | |
| 80 int mode_ext; | |
| 81 int copyright; | |
| 82 int original; | |
| 83 int emphasis; | |
| 84 int framesize; /* computed framesize */ | |
| 85 | |
| 86 /* layer2 stuff */ | |
| 87 int II_sblimit; | |
| 88 void *alloc; | |
| 89 }; | |
| 90 | |
| 91 struct parameter { | |
| 92 int quiet; /* shut up! */ | |
| 93 int tryresync; /* resync stream after error */ | |
| 94 int verbose; /* verbose level */ | |
| 95 int checkrange; | |
| 96 }; | |
| 97 | |
|
279
52b9f37998db
Removed global state variable; should be thread safe now.
Ryan C. Gordon <icculus@icculus.org>
parents:
261
diff
changeset
|
98 struct mpstr; /* forward declaration. */ |
|
52b9f37998db
Removed global state variable; should be thread safe now.
Ryan C. Gordon <icculus@icculus.org>
parents:
261
diff
changeset
|
99 |
| 261 | 100 extern unsigned int get1bit(void); |
| 101 extern unsigned int getbits(int); | |
| 102 extern unsigned int getbits_fast(int); | |
|
279
52b9f37998db
Removed global state variable; should be thread safe now.
Ryan C. Gordon <icculus@icculus.org>
parents:
261
diff
changeset
|
103 extern int set_pointer(long,struct mpstr *); |
| 261 | 104 |
| 105 extern unsigned char *wordpointer; | |
| 106 extern int bitindex; | |
| 107 | |
| 108 extern void make_decode_tables(long scaleval); | |
|
279
52b9f37998db
Removed global state variable; should be thread safe now.
Ryan C. Gordon <icculus@icculus.org>
parents:
261
diff
changeset
|
109 extern int do_layer3(struct frame *fr,unsigned char *,int *,struct mpstr *); |
|
52b9f37998db
Removed global state variable; should be thread safe now.
Ryan C. Gordon <icculus@icculus.org>
parents:
261
diff
changeset
|
110 extern int do_layer2(struct frame *fr,unsigned char *,int *,struct mpstr *); |
|
52b9f37998db
Removed global state variable; should be thread safe now.
Ryan C. Gordon <icculus@icculus.org>
parents:
261
diff
changeset
|
111 extern int do_layer1(struct frame *fr,unsigned char *,int *,struct mpstr *); |
| 261 | 112 extern int decode_header(struct frame *fr,unsigned long newhead); |
| 113 | |
| 114 | |
| 115 | |
| 116 struct gr_info_s { | |
| 117 int scfsi; | |
| 118 unsigned part2_3_length; | |
| 119 unsigned big_values; | |
| 120 unsigned scalefac_compress; | |
| 121 unsigned block_type; | |
| 122 unsigned mixed_block_flag; | |
| 123 unsigned table_select[3]; | |
| 124 unsigned subblock_gain[3]; | |
| 125 unsigned maxband[3]; | |
| 126 unsigned maxbandl; | |
| 127 unsigned maxb; | |
| 128 unsigned region1start; | |
| 129 unsigned region2start; | |
| 130 unsigned preflag; | |
| 131 unsigned scalefac_scale; | |
| 132 unsigned count1table_select; | |
| 133 real *full_gain[3]; | |
| 134 real *pow2gain; | |
| 135 }; | |
| 136 | |
| 137 struct III_sideinfo | |
| 138 { | |
| 139 unsigned main_data_begin; | |
| 140 unsigned private_bits; | |
| 141 struct { | |
| 142 struct gr_info_s gr[2]; | |
| 143 } ch[2]; | |
| 144 }; | |
| 145 | |
|
279
52b9f37998db
Removed global state variable; should be thread safe now.
Ryan C. Gordon <icculus@icculus.org>
parents:
261
diff
changeset
|
146 |
|
52b9f37998db
Removed global state variable; should be thread safe now.
Ryan C. Gordon <icculus@icculus.org>
parents:
261
diff
changeset
|
147 extern int synth_1to1 (real *,int,unsigned char *,int *,struct mpstr *); |
| 261 | 148 extern int synth_1to1_8bit (real *,int,unsigned char *,int *); |
|
279
52b9f37998db
Removed global state variable; should be thread safe now.
Ryan C. Gordon <icculus@icculus.org>
parents:
261
diff
changeset
|
149 extern int synth_1to1_mono (real *,unsigned char *,int *,struct mpstr *); |
| 261 | 150 extern int synth_1to1_mono2stereo (real *,unsigned char *,int *); |
| 151 extern int synth_1to1_8bit_mono (real *,unsigned char *,int *); | |
| 152 extern int synth_1to1_8bit_mono2stereo (real *,unsigned char *,int *); | |
| 153 | |
| 154 extern int synth_2to1 (real *,int,unsigned char *,int *); | |
| 155 extern int synth_2to1_8bit (real *,int,unsigned char *,int *); | |
| 156 extern int synth_2to1_mono (real *,unsigned char *,int *); | |
| 157 extern int synth_2to1_mono2stereo (real *,unsigned char *,int *); | |
| 158 extern int synth_2to1_8bit_mono (real *,unsigned char *,int *); | |
| 159 extern int synth_2to1_8bit_mono2stereo (real *,unsigned char *,int *); | |
| 160 | |
| 161 extern int synth_4to1 (real *,int,unsigned char *,int *); | |
| 162 extern int synth_4to1_8bit (real *,int,unsigned char *,int *); | |
| 163 extern int synth_4to1_mono (real *,unsigned char *,int *); | |
| 164 extern int synth_4to1_mono2stereo (real *,unsigned char *,int *); | |
| 165 extern int synth_4to1_8bit_mono (real *,unsigned char *,int *); | |
| 166 extern int synth_4to1_8bit_mono2stereo (real *,unsigned char *,int *); | |
| 167 | |
| 168 extern int synth_ntom (real *,int,unsigned char *,int *); | |
| 169 extern int synth_ntom_8bit (real *,int,unsigned char *,int *); | |
| 170 extern int synth_ntom_mono (real *,unsigned char *,int *); | |
| 171 extern int synth_ntom_mono2stereo (real *,unsigned char *,int *); | |
| 172 extern int synth_ntom_8bit_mono (real *,unsigned char *,int *); | |
| 173 extern int synth_ntom_8bit_mono2stereo (real *,unsigned char *,int *); | |
| 174 | |
| 175 extern void rewindNbits(int bits); | |
| 176 extern int hsstell(void); | |
| 177 extern int get_songlen(struct frame *fr,int no); | |
| 178 | |
| 179 extern void init_layer3(int); | |
| 180 extern void init_layer2(void); | |
| 181 extern void make_decode_tables(long scale); | |
| 182 extern void make_conv16to8_table(int); | |
| 183 extern void dct64(real *,real *,real *); | |
| 184 | |
| 185 extern void synth_ntom_set_step(long,long); | |
| 186 | |
| 187 extern unsigned char *conv16to8; | |
| 188 extern long freqs[9]; | |
| 189 extern real muls[27][64]; | |
| 190 extern real decwin[512+32]; | |
| 191 extern real *pnts[5]; | |
| 192 | |
| 193 extern struct parameter param; | |
| 194 | |
| 195 |