|
36 | 36 |
|
37 | 37 | #define MAX_CHANNELS 10 |
38 | 38 |
|
| 39 | +#ifdef EFFECT_FX_COMMON_INT16DST // int16 output |
| 40 | +// Float32-LE |
| 41 | +static int16_t getFloatLSBSample(uint8_t *raw, int c) |
| 42 | +{ |
| 43 | + union |
| 44 | + { |
| 45 | + float f; |
| 46 | + uint32_t r; |
| 47 | + } o; |
| 48 | + raw += (c * sizeof(float)); |
| 49 | + o.r = (((uint32_t)raw[0] << 0) & 0x000000FF) | |
| 50 | + (((uint32_t)raw[1] << 8) & 0x0000FF00) | |
| 51 | + (((uint32_t)raw[2] << 16) & 0x00FF0000) | |
| 52 | + (((uint32_t)raw[3] << 24) & 0xFF000000); |
| 53 | + return o.f * INT16_MAX; |
| 54 | +} |
| 55 | +static void setFloatLSBSample(uint8_t **raw, int16_t ov) |
| 56 | +{ |
| 57 | + float f = (float)ov / INT16_MAX; |
| 58 | + void *t = &f; |
| 59 | + uint32_t r = *(uint32_t*)t; |
| 60 | + *(*raw)++ = (uint8_t)((r >> 0) & 0xFF); |
| 61 | + *(*raw)++ = (uint8_t)((r >> 8) & 0xFF); |
| 62 | + *(*raw)++ = (uint8_t)((r >> 16) & 0xFF); |
| 63 | + *(*raw)++ = (uint8_t)((r >> 24) & 0xFF); |
| 64 | +} |
| 65 | + |
| 66 | +// Float32-BE |
| 67 | +static int16_t getFloatMSBSample(uint8_t *raw, int c) |
| 68 | +{ |
| 69 | + union |
| 70 | + { |
| 71 | + float f; |
| 72 | + uint32_t r; |
| 73 | + } o; |
| 74 | + raw += (c * sizeof(float)); |
| 75 | + o.r = (((uint32_t)raw[3] << 0) & 0x000000FF) | |
| 76 | + (((uint32_t)raw[2] << 8) & 0x0000FF00) | |
| 77 | + (((uint32_t)raw[1] << 16) & 0x00FF0000) | |
| 78 | + (((uint32_t)raw[0] << 24) & 0xFF000000); |
| 79 | + return o.f * INT16_MAX; |
| 80 | +} |
| 81 | +static void setFloatMSBSample(uint8_t **raw, int16_t ov) |
| 82 | +{ |
| 83 | + float f = (float)ov / INT16_MAX; |
| 84 | + void *t = &f; |
| 85 | + uint32_t r = *(uint32_t*)t; |
| 86 | + *(*raw)++ = (uint8_t)((r >> 24) & 0xFF); |
| 87 | + *(*raw)++ = (uint8_t)((r >> 16) & 0xFF); |
| 88 | + *(*raw)++ = (uint8_t)((r >> 8) & 0xFF); |
| 89 | + *(*raw)++ = (uint8_t)((r >> 0) & 0xFF); |
| 90 | +} |
| 91 | + |
| 92 | +// int32_t-LE |
| 93 | +static int16_t getInt32LSB(uint8_t *raw, int c) |
| 94 | +{ |
| 95 | + uint32_t r; |
| 96 | + int32_t f; |
| 97 | + raw += (c * sizeof(int32_t)); |
| 98 | + r = (((uint32_t)raw[0] << 0) & 0x000000FF) | |
| 99 | + (((uint32_t)raw[1] << 8) & 0x0000FF00) | |
| 100 | + (((uint32_t)raw[2] << 16) & 0x00FF0000) | |
| 101 | + (((uint32_t)raw[3] << 24) & 0xFF000000); |
| 102 | + f = *(int32_t*)(&r); |
| 103 | + return f >> 16; |
| 104 | +} |
| 105 | +static void setInt32LSB(uint8_t **raw, int16_t ov) |
| 106 | +{ |
| 107 | + int32_t f = ((int32_t)ov << 16); |
| 108 | + uint32_t r = *(uint32_t*)(&f); |
| 109 | + *(*raw)++ = (uint8_t)((r >> 0) & 0xFF); |
| 110 | + *(*raw)++ = (uint8_t)((r >> 8) & 0xFF); |
| 111 | + *(*raw)++ = (uint8_t)((r >> 16) & 0xFF); |
| 112 | + *(*raw)++ = (uint8_t)((r >> 24) & 0xFF); |
| 113 | +} |
| 114 | + |
| 115 | +// int32_t-BE |
| 116 | +static int16_t getInt32MSB(uint8_t *raw, int c) |
| 117 | +{ |
| 118 | + uint32_t r; |
| 119 | + int32_t f; |
| 120 | + raw += (c * sizeof(int32_t)); |
| 121 | + r = (((uint32_t)raw[3] << 0) & 0x000000FF) | |
| 122 | + (((uint32_t)raw[2] << 8) & 0x0000FF00) | |
| 123 | + (((uint32_t)raw[1] << 16) & 0x00FF0000) | |
| 124 | + (((uint32_t)raw[0] << 24) & 0xFF000000); |
| 125 | + f = *(int32_t*)(&r); |
| 126 | + return f >> 16; |
| 127 | +} |
| 128 | +static void setInt32MSB(uint8_t **raw, int16_t ov) |
| 129 | +{ |
| 130 | + int32_t f = ((int32_t)ov << 16); |
| 131 | + uint32_t r = *(uint32_t*)(&f); |
| 132 | + *(*raw)++ = (uint8_t)((r >> 24) & 0xFF); |
| 133 | + *(*raw)++ = (uint8_t)((r >> 16) & 0xFF); |
| 134 | + *(*raw)++ = (uint8_t)((r >> 8) & 0xFF); |
| 135 | + *(*raw)++ = (uint8_t)((r >> 0) & 0xFF); |
| 136 | +} |
| 137 | + |
| 138 | +// int16_t-LE |
| 139 | +static int16_t getInt16LSB(uint8_t *raw, int c) |
| 140 | +{ |
| 141 | + uint16_t r; |
| 142 | + int16_t f; |
| 143 | + raw += (c * sizeof(int16_t)); |
| 144 | + r = (((uint16_t)raw[0] << 0) & 0x00FF) | |
| 145 | + (((uint16_t)raw[1] << 8) & 0xFF00); |
| 146 | + f = *(int16_t*)(&r); |
| 147 | + return f; |
| 148 | +} |
| 149 | +static void setInt16LSB(uint8_t **raw, int16_t f) |
| 150 | +{ |
| 151 | + uint16_t r = *(uint16_t*)(&f); |
| 152 | + *(*raw)++ = (uint8_t)((r >> 0) & 0xFF); |
| 153 | + *(*raw)++ = (uint8_t)((r >> 8) & 0xFF); |
| 154 | +} |
| 155 | + |
| 156 | +// int16_t-BE |
| 157 | +static int16_t getInt16MSB(uint8_t *raw, int c) |
| 158 | +{ |
| 159 | + uint16_t r; |
| 160 | + int16_t f; |
| 161 | + raw += (c * sizeof(int16_t)); |
| 162 | + r = (((uint16_t)raw[1] << 0) & 0x00FF) | |
| 163 | + (((uint16_t)raw[0] << 8) & 0xFF00); |
| 164 | + f = *(int16_t*)(&r); |
| 165 | + return f; |
| 166 | +} |
| 167 | +static void setInt16MSB(uint8_t **raw, int16_t f) |
| 168 | +{ |
| 169 | + uint16_t r = *(uint16_t*)(&f); |
| 170 | + *(*raw)++ = (uint8_t)((r >> 8) & 0xFF); |
| 171 | + *(*raw)++ = (uint8_t)((r >> 0) & 0xFF); |
| 172 | +} |
| 173 | + |
| 174 | +// uint16_t-LE |
| 175 | +static int16_t getuint16_tLSB(uint8_t *raw, int c) |
| 176 | +{ |
| 177 | + uint16_t r; |
| 178 | + raw += (c * sizeof(uint16_t)); |
| 179 | + r = (((uint16_t)raw[0] << 0) & 0x00FF) | |
| 180 | + (((uint16_t)raw[1] << 8) & 0xFF00); |
| 181 | + return (int16_t)r + INT16_MIN; |
| 182 | +} |
| 183 | +static void setuint16_tLSB(uint8_t **raw, int16_t ov) |
| 184 | +{ |
| 185 | + int16_t f = ov - INT16_MIN; |
| 186 | + uint16_t r = *(uint16_t*)(&f); |
| 187 | + *(*raw)++ = (uint8_t)((r >> 0) & 0xFF); |
| 188 | + *(*raw)++ = (uint8_t)((r >> 8) & 0xFF); |
| 189 | +} |
| 190 | + |
| 191 | +// uint16_t-BE |
| 192 | +static int16_t getuint16_tMSB(uint8_t *raw, int c) |
| 193 | +{ |
| 194 | + uint16_t r; |
| 195 | + raw += (c * sizeof(uint16_t)); |
| 196 | + r = (((uint16_t)raw[1] << 0) & 0x00FF) | |
| 197 | + (((uint16_t)raw[0] << 8) & 0xFF00); |
| 198 | + return (int16_t)r + INT16_MIN; |
| 199 | +} |
| 200 | +static void setuint16_tMSB(uint8_t **raw, int16_t ov) |
| 201 | +{ |
| 202 | + int16_t f = ov - INT16_MIN; |
| 203 | + uint16_t r = *(uint16_t*)(&f); |
| 204 | + *(*raw)++ = (uint8_t)((r >> 8) & 0xFF); |
| 205 | + *(*raw)++ = (uint8_t)((r >> 0) & 0xFF); |
| 206 | +} |
| 207 | + |
| 208 | +// int8_t |
| 209 | +static int16_t getInt8(uint8_t *raw, int c) |
| 210 | +{ |
| 211 | + int16_t f; |
| 212 | + raw += (c * sizeof(int8_t)); |
| 213 | + f = ((int16_t)(int8_t)(*raw)) << 8; |
| 214 | + return f; |
| 215 | +} |
| 216 | +static void setInt8(uint8_t **raw, int16_t ov) |
| 217 | +{ |
| 218 | + *(*raw)++ = (uint8_t)(ov >> 8); |
| 219 | +} |
| 220 | + |
| 221 | +// uint8_t |
| 222 | +static int16_t getuint8_t(uint8_t *raw, int c) |
| 223 | +{ |
| 224 | + raw += (c * sizeof(int8_t)); |
| 225 | + return (int16_t)((int)*raw + INT8_MIN) << 8; |
| 226 | +} |
| 227 | +static void setuint8_t(uint8_t **raw, int16_t ov) |
| 228 | +{ |
| 229 | + *(*raw)++ = (uint8_t)((ov >> 8) - INT8_MAX); |
| 230 | +} |
| 231 | + |
| 232 | +#else // int16 output end, Float32 output begin |
| 233 | + |
39 | 234 | // Float32-LE |
40 | 235 | static float getFloatLSBSample(uint8_t *raw, int c) |
41 | 236 | { |
@@ -233,10 +428,17 @@ static void setuint8_t(uint8_t **raw, float ov) |
233 | 428 | { |
234 | 429 | *(*raw)++ = (uint8_t)((ov * INT8_MAX) - INT8_MIN); |
235 | 430 | } |
| 431 | +#endif // Float32 output end |
236 | 432 |
|
237 | 433 |
|
| 434 | +#ifdef EFFECT_FX_COMMON_INT16DST |
| 435 | +typedef int16_t (*ReadSampleCB)(uint8_t* raw, int channel); |
| 436 | +typedef void (*WriteSampleCB)(uint8_t** raw, int16_t sample); |
| 437 | +#else |
238 | 438 | typedef float (*ReadSampleCB)(uint8_t* raw, int channel); |
239 | 439 | typedef void (*WriteSampleCB)(uint8_t** raw, float sample); |
| 440 | +#endif |
| 441 | + |
240 | 442 |
|
241 | 443 | static bool initFormat(ReadSampleCB &readSample, |
242 | 444 | WriteSampleCB &writeSample, |
|
0 commit comments