Logo Search packages:      
Sourcecode: alsa-driver version File versions

plugin_ops.h

/*
 *  Plugin sample operators with fast switch
 *  Copyright (c) 2000 by Jaroslav Kysela <perex@suse.cz>
 *
 *
 *   This library is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU Library General Public License as
 *   published by the Free Software Foundation; either version 2 of
 *   the License, or (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU Library General Public License for more details.
 *
 *   You should have received a copy of the GNU Library General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */


#define as_u8(ptr) (*(u_int8_t*)(ptr))
#define as_u16(ptr) (*(u_int16_t*)(ptr))
#define as_u32(ptr) (*(u_int32_t*)(ptr))
#define as_u64(ptr) (*(u_int64_t*)(ptr))
#define as_s8(ptr) (*(int8_t*)(ptr))
#define as_s16(ptr) (*(int16_t*)(ptr))
#define as_s32(ptr) (*(int32_t*)(ptr))
#define as_s64(ptr) (*(int64_t*)(ptr))

#ifdef COPY_LABELS
static void *copy_labels[4] = {
      &&copy_8,
      &&copy_16,
      &&copy_32,
      &&copy_64
};
#endif

#ifdef COPY_END
while(0) {
copy_8: as_s8(dst) = as_s8(src); goto COPY_END;
copy_16: as_s16(dst) = as_s16(src); goto COPY_END;
copy_32: as_s32(dst) = as_s32(src); goto COPY_END;
copy_64: as_s64(dst) = as_s64(src); goto COPY_END;
}
#endif

#ifdef CONV_LABELS
/* src_wid src_endswap sign_toggle dst_wid dst_endswap */
static void *conv_labels[4 * 2 * 2 * 4 * 2] = {
      &&conv_xxx1_xxx1,  /*  8h ->  8h */
      &&conv_xxx1_xxx1,  /*  8h ->  8s */
      &&conv_xxx1_xx10,  /*  8h -> 16h */
      &&conv_xxx1_xx01,  /*  8h -> 16s */
      &&conv_xxx1_x100,  /*  8h -> 24h */
      &&conv_xxx1_001x,  /*  8h -> 24s */
      &&conv_xxx1_1000,  /*  8h -> 32h */
      &&conv_xxx1_0001,  /*  8h -> 32s */
      &&conv_xxx1_xxx9,  /*  8h ^>  8h */
      &&conv_xxx1_xxx9,  /*  8h ^>  8s */
      &&conv_xxx1_xx90,  /*  8h ^> 16h */
      &&conv_xxx1_xx09,  /*  8h ^> 16s */
      &&conv_xxx1_x900,  /*  8h ^> 24h */
      &&conv_xxx1_009x,  /*  8h ^> 24s */
      &&conv_xxx1_9000,  /*  8h ^> 32h */
      &&conv_xxx1_0009,  /*  8h ^> 32s */
      &&conv_xxx1_xxx1,  /*  8s ->  8h */
      &&conv_xxx1_xxx1,  /*  8s ->  8s */
      &&conv_xxx1_xx10,  /*  8s -> 16h */
      &&conv_xxx1_xx01,  /*  8s -> 16s */
      &&conv_xxx1_x100,  /*  8s -> 24h */
      &&conv_xxx1_001x,  /*  8s -> 24s */
      &&conv_xxx1_1000,  /*  8s -> 32h */
      &&conv_xxx1_0001,  /*  8s -> 32s */
      &&conv_xxx1_xxx9,  /*  8s ^>  8h */
      &&conv_xxx1_xxx9,  /*  8s ^>  8s */
      &&conv_xxx1_xx90,  /*  8s ^> 16h */
      &&conv_xxx1_xx09,  /*  8s ^> 16s */
      &&conv_xxx1_x900,  /*  8s ^> 24h */
      &&conv_xxx1_009x,  /*  8s ^> 24s */
      &&conv_xxx1_9000,  /*  8s ^> 32h */
      &&conv_xxx1_0009,  /*  8s ^> 32s */
      &&conv_xx12_xxx1,  /* 16h ->  8h */
      &&conv_xx12_xxx1,  /* 16h ->  8s */
      &&conv_xx12_xx12,  /* 16h -> 16h */
      &&conv_xx12_xx21,  /* 16h -> 16s */
      &&conv_xx12_x120,  /* 16h -> 24h */
      &&conv_xx12_021x,  /* 16h -> 24s */
      &&conv_xx12_1200,  /* 16h -> 32h */
      &&conv_xx12_0021,  /* 16h -> 32s */
      &&conv_xx12_xxx9,  /* 16h ^>  8h */
      &&conv_xx12_xxx9,  /* 16h ^>  8s */
      &&conv_xx12_xx92,  /* 16h ^> 16h */
      &&conv_xx12_xx29,  /* 16h ^> 16s */
      &&conv_xx12_x920,  /* 16h ^> 24h */
      &&conv_xx12_029x,  /* 16h ^> 24s */
      &&conv_xx12_9200,  /* 16h ^> 32h */
      &&conv_xx12_0029,  /* 16h ^> 32s */
      &&conv_xx12_xxx2,  /* 16s ->  8h */
      &&conv_xx12_xxx2,  /* 16s ->  8s */
      &&conv_xx12_xx21,  /* 16s -> 16h */
      &&conv_xx12_xx12,  /* 16s -> 16s */
      &&conv_xx12_x210,  /* 16s -> 24h */
      &&conv_xx12_012x,  /* 16s -> 24s */
      &&conv_xx12_2100,  /* 16s -> 32h */
      &&conv_xx12_0012,  /* 16s -> 32s */
      &&conv_xx12_xxxA,  /* 16s ^>  8h */
      &&conv_xx12_xxxA,  /* 16s ^>  8s */
      &&conv_xx12_xxA1,  /* 16s ^> 16h */
      &&conv_xx12_xx1A,  /* 16s ^> 16s */
      &&conv_xx12_xA10,  /* 16s ^> 24h */
      &&conv_xx12_01Ax,  /* 16s ^> 24s */
      &&conv_xx12_A100,  /* 16s ^> 32h */
      &&conv_xx12_001A,  /* 16s ^> 32s */
      &&conv_x123_xxx1,  /* 24h ->  8h */
      &&conv_x123_xxx1,  /* 24h ->  8s */
      &&conv_x123_xx12,  /* 24h -> 16h */
      &&conv_x123_xx21,  /* 24h -> 16s */
      &&conv_x123_x123,  /* 24h -> 24h */
      &&conv_x123_321x,  /* 24h -> 24s */
      &&conv_x123_1230,  /* 24h -> 32h */
      &&conv_x123_0321,  /* 24h -> 32s */
      &&conv_x123_xxx9,  /* 24h ^>  8h */
      &&conv_x123_xxx9,  /* 24h ^>  8s */
      &&conv_x123_xx92,  /* 24h ^> 16h */
      &&conv_x123_xx29,  /* 24h ^> 16s */
      &&conv_x123_x923,  /* 24h ^> 24h */
      &&conv_x123_329x,  /* 24h ^> 24s */
      &&conv_x123_9230,  /* 24h ^> 32h */
      &&conv_x123_0329,  /* 24h ^> 32s */
      &&conv_123x_xxx3,  /* 24s ->  8h */
      &&conv_123x_xxx3,  /* 24s ->  8s */
      &&conv_123x_xx32,  /* 24s -> 16h */
      &&conv_123x_xx23,  /* 24s -> 16s */
      &&conv_123x_x321,  /* 24s -> 24h */
      &&conv_123x_123x,  /* 24s -> 24s */
      &&conv_123x_3210,  /* 24s -> 32h */
      &&conv_123x_0123,  /* 24s -> 32s */
      &&conv_123x_xxxB,  /* 24s ^>  8h */
      &&conv_123x_xxxB,  /* 24s ^>  8s */
      &&conv_123x_xxB2,  /* 24s ^> 16h */
      &&conv_123x_xx2B,  /* 24s ^> 16s */
      &&conv_123x_xB21,  /* 24s ^> 24h */
      &&conv_123x_12Bx,  /* 24s ^> 24s */
      &&conv_123x_B210,  /* 24s ^> 32h */
      &&conv_123x_012B,  /* 24s ^> 32s */
      &&conv_1234_xxx1,  /* 32h ->  8h */
      &&conv_1234_xxx1,  /* 32h ->  8s */
      &&conv_1234_xx12,  /* 32h -> 16h */
      &&conv_1234_xx21,  /* 32h -> 16s */
      &&conv_1234_x123,  /* 32h -> 24h */
      &&conv_1234_321x,  /* 32h -> 24s */
      &&conv_1234_1234,  /* 32h -> 32h */
      &&conv_1234_4321,  /* 32h -> 32s */
      &&conv_1234_xxx9,  /* 32h ^>  8h */
      &&conv_1234_xxx9,  /* 32h ^>  8s */
      &&conv_1234_xx92,  /* 32h ^> 16h */
      &&conv_1234_xx29,  /* 32h ^> 16s */
      &&conv_1234_x923,  /* 32h ^> 24h */
      &&conv_1234_329x,  /* 32h ^> 24s */
      &&conv_1234_9234,  /* 32h ^> 32h */
      &&conv_1234_4329,  /* 32h ^> 32s */
      &&conv_1234_xxx4,  /* 32s ->  8h */
      &&conv_1234_xxx4,  /* 32s ->  8s */
      &&conv_1234_xx43,  /* 32s -> 16h */
      &&conv_1234_xx34,  /* 32s -> 16s */
      &&conv_1234_x432,  /* 32s -> 24h */
      &&conv_1234_234x,  /* 32s -> 24s */
      &&conv_1234_4321,  /* 32s -> 32h */
      &&conv_1234_1234,  /* 32s -> 32s */
      &&conv_1234_xxxC,  /* 32s ^>  8h */
      &&conv_1234_xxxC,  /* 32s ^>  8s */
      &&conv_1234_xxC3,  /* 32s ^> 16h */
      &&conv_1234_xx3C,  /* 32s ^> 16s */
      &&conv_1234_xC32,  /* 32s ^> 24h */
      &&conv_1234_23Cx,  /* 32s ^> 24s */
      &&conv_1234_C321,  /* 32s ^> 32h */
      &&conv_1234_123C,  /* 32s ^> 32s */
};
#endif

#ifdef CONV_END
while(0) {
conv_xxx1_xxx1: as_u8(dst) = as_u8(src); goto CONV_END;
conv_xxx1_xx10: as_u16(dst) = (u_int16_t)as_u8(src) << 8; goto CONV_END;
conv_xxx1_xx01: as_u16(dst) = (u_int16_t)as_u8(src); goto CONV_END;
conv_xxx1_x100: as_u32(dst) = (u_int32_t)as_u8(src) << 16; goto CONV_END;
conv_xxx1_001x: as_u32(dst) = (u_int32_t)as_u8(src) << 8; goto CONV_END;
conv_xxx1_1000: as_u32(dst) = (u_int32_t)as_u8(src) << 24; goto CONV_END;
conv_xxx1_0001: as_u32(dst) = (u_int32_t)as_u8(src); goto CONV_END;
conv_xxx1_xxx9: as_u8(dst) = as_u8(src) ^ 0x80; goto CONV_END;
conv_xxx1_xx90: as_u16(dst) = (u_int16_t)(as_u8(src) ^ 0x80) << 8; goto CONV_END;
conv_xxx1_xx09: as_u16(dst) = (u_int16_t)(as_u8(src) ^ 0x80); goto CONV_END;
conv_xxx1_x900: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80) << 16; goto CONV_END;
conv_xxx1_009x: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80) << 8; goto CONV_END;
conv_xxx1_9000: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80) << 24; goto CONV_END;
conv_xxx1_0009: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80); goto CONV_END;
conv_xx12_xxx1: as_u8(dst) = as_u16(src) >> 8; goto CONV_END;
conv_xx12_xx12: as_u16(dst) = as_u16(src); goto CONV_END;
conv_xx12_xx21: as_u16(dst) = swab16(as_u16(src)); goto CONV_END;
conv_xx12_x120: as_u32(dst) = (u_int32_t)as_u16(src) << 8; goto CONV_END;
conv_xx12_021x: as_u32(dst) = (u_int32_t)swab16(as_u16(src)) << 8; goto CONV_END;
conv_xx12_1200: as_u32(dst) = (u_int32_t)as_u16(src) << 16; goto CONV_END;
conv_xx12_0021: as_u32(dst) = (u_int32_t)swab16(as_u16(src)); goto CONV_END;
conv_xx12_xxx9: as_u8(dst) = (as_u16(src) >> 8) ^ 0x80; goto CONV_END;
conv_xx12_xx92: as_u16(dst) = as_u16(src) ^ 0x8000; goto CONV_END;
conv_xx12_xx29: as_u16(dst) = swab16(as_u16(src)) ^ 0x80; goto CONV_END;
conv_xx12_x920: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x8000) << 8; goto CONV_END;
conv_xx12_029x: as_u32(dst) = (u_int32_t)(swab16(as_u16(src)) ^ 0x80) << 8; goto CONV_END;
conv_xx12_9200: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x8000) << 16; goto CONV_END;
conv_xx12_0029: as_u32(dst) = (u_int32_t)(swab16(as_u16(src)) ^ 0x80); goto CONV_END;
conv_xx12_xxx2: as_u8(dst) = as_u16(src) & 0xff; goto CONV_END;
conv_xx12_x210: as_u32(dst) = (u_int32_t)swab16(as_u16(src)) << 8; goto CONV_END;
conv_xx12_012x: as_u32(dst) = (u_int32_t)as_u16(src) << 8; goto CONV_END;
conv_xx12_2100: as_u32(dst) = (u_int32_t)swab16(as_u16(src)) << 16; goto CONV_END;
conv_xx12_0012: as_u32(dst) = (u_int32_t)as_u16(src); goto CONV_END; 
conv_xx12_xxxA: as_u8(dst) = (as_u16(src) ^ 0x80) & 0xff; goto CONV_END;
conv_xx12_xxA1: as_u16(dst) = swab16(as_u16(src) ^ 0x80); goto CONV_END;
conv_xx12_xx1A: as_u16(dst) = as_u16(src) ^ 0x80; goto CONV_END;
conv_xx12_xA10: as_u32(dst) = (u_int32_t)swab16(as_u16(src) ^ 0x80) << 8; goto CONV_END;
conv_xx12_01Ax: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x80) << 8; goto CONV_END;
conv_xx12_A100: as_u32(dst) = (u_int32_t)swab16(as_u16(src) ^ 0x80) << 16; goto CONV_END;
conv_xx12_001A: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x80); goto CONV_END;
conv_x123_xxx1: as_u8(dst) = as_u32(src) >> 16; goto CONV_END;
conv_x123_xx12: as_u16(dst) = as_u32(src) >> 8; goto CONV_END;
conv_x123_xx21: as_u16(dst) = swab16(as_u32(src) >> 8); goto CONV_END;
conv_x123_x123: as_u32(dst) = as_u32(src); goto CONV_END;
conv_x123_321x: as_u32(dst) = swab32(as_u32(src)); goto CONV_END;
conv_x123_1230: as_u32(dst) = as_u32(src) << 8; goto CONV_END;
conv_x123_0321: as_u32(dst) = swab32(as_u32(src)) >> 8; goto CONV_END;
conv_x123_xxx9: as_u8(dst) = (as_u32(src) >> 16) ^ 0x80; goto CONV_END;
conv_x123_xx92: as_u16(dst) = (as_u32(src) >> 8) ^ 0x8000; goto CONV_END;
conv_x123_xx29: as_u16(dst) = swab16(as_u32(src) >> 8) ^ 0x80; goto CONV_END;
conv_x123_x923: as_u32(dst) = as_u32(src) ^ 0x800000; goto CONV_END;
conv_x123_329x: as_u32(dst) = swab32(as_u32(src)) ^ 0x8000; goto CONV_END;
conv_x123_9230: as_u32(dst) = (as_u32(src) ^ 0x800000) << 8; goto CONV_END;
conv_x123_0329: as_u32(dst) = (swab32(as_u32(src)) >> 8) ^ 0x80; goto CONV_END;
conv_123x_xxx3: as_u8(dst) = (as_u32(src) >> 8) & 0xff; goto CONV_END;
conv_123x_xx32: as_u16(dst) = swab16(as_u32(src) >> 8); goto CONV_END;
conv_123x_xx23: as_u16(dst) = (as_u32(src) >> 8) & 0xffff; goto CONV_END;
conv_123x_x321: as_u32(dst) = swab32(as_u32(src)); goto CONV_END;
conv_123x_123x: as_u32(dst) = as_u32(src); goto CONV_END;
conv_123x_3210: as_u32(dst) = swab32(as_u32(src)) << 8; goto CONV_END;
conv_123x_0123: as_u32(dst) = as_u32(src) >> 8; goto CONV_END;
conv_123x_xxxB: as_u8(dst) = ((as_u32(src) >> 8) & 0xff) ^ 0x80; goto CONV_END;
conv_123x_xxB2: as_u16(dst) = swab16((as_u32(src) >> 8) ^ 0x80); goto CONV_END;
conv_123x_xx2B: as_u16(dst) = ((as_u32(src) >> 8) & 0xffff) ^ 0x80; goto CONV_END;
conv_123x_xB21: as_u32(dst) = swab32(as_u32(src)) ^ 0x800000; goto CONV_END;
conv_123x_12Bx: as_u32(dst) = as_u32(src) ^ 0x8000; goto CONV_END;
conv_123x_B210: as_u32(dst) = swab32(as_u32(src) ^ 0x8000) << 8; goto CONV_END;
conv_123x_012B: as_u32(dst) = (as_u32(src) >> 8) ^ 0x80; goto CONV_END;
conv_1234_xxx1: as_u8(dst) = as_u32(src) >> 24; goto CONV_END;
conv_1234_xx12: as_u16(dst) = as_u32(src) >> 16; goto CONV_END;
conv_1234_xx21: as_u16(dst) = swab16(as_u32(src) >> 16); goto CONV_END;
conv_1234_x123: as_u32(dst) = as_u32(src) >> 8; goto CONV_END;
conv_1234_321x: as_u32(dst) = swab32(as_u32(src)) << 8; goto CONV_END;
conv_1234_1234: as_u32(dst) = as_u32(src); goto CONV_END;
conv_1234_4321: as_u32(dst) = swab32(as_u32(src)); goto CONV_END;
conv_1234_xxx9: as_u8(dst) = (as_u32(src) >> 24) ^ 0x80; goto CONV_END;
conv_1234_xx92: as_u16(dst) = (as_u32(src) >> 16) ^ 0x8000; goto CONV_END;
conv_1234_xx29: as_u16(dst) = swab16(as_u32(src) >> 16) ^ 0x80; goto CONV_END;
conv_1234_x923: as_u32(dst) = (as_u32(src) >> 8) ^ 0x800000; goto CONV_END;
conv_1234_329x: as_u32(dst) = (swab32(as_u32(src)) ^ 0x80) << 8; goto CONV_END;
conv_1234_9234: as_u32(dst) = as_u32(src) ^ 0x80000000; goto CONV_END;
conv_1234_4329: as_u32(dst) = swab32(as_u32(src)) ^ 0x80; goto CONV_END;
conv_1234_xxx4: as_u8(dst) = as_u32(src) & 0xff; goto CONV_END;
conv_1234_xx43: as_u16(dst) = swab16(as_u32(src)); goto CONV_END;
conv_1234_xx34: as_u16(dst) = as_u32(src) & 0xffff; goto CONV_END;
conv_1234_x432: as_u32(dst) = swab32(as_u32(src)) >> 8; goto CONV_END;
conv_1234_234x: as_u32(dst) = as_u32(src) << 8; goto CONV_END;
conv_1234_xxxC: as_u8(dst) = (as_u32(src) & 0xff) ^ 0x80; goto CONV_END;
conv_1234_xxC3: as_u16(dst) = swab16(as_u32(src) ^ 0x80); goto CONV_END;
conv_1234_xx3C: as_u16(dst) = (as_u32(src) & 0xffff) ^ 0x80; goto CONV_END;
conv_1234_xC32: as_u32(dst) = (swab32(as_u32(src)) >> 8) ^ 0x800000; goto CONV_END;
conv_1234_23Cx: as_u32(dst) = (as_u32(src) ^ 0x80) << 8; goto CONV_END;
conv_1234_C321: as_u32(dst) = swab32(as_u32(src) ^ 0x80); goto CONV_END;
conv_1234_123C: as_u32(dst) = as_u32(src) ^ 0x80; goto CONV_END;
}
#endif

#ifdef GET_S16_LABELS
/* src_wid src_endswap unsigned */
static void *get_s16_labels[4 * 2 * 2] = {
      &&get_s16_xxx1_xx10,     /*  8h -> 16h */
      &&get_s16_xxx1_xx90,     /*  8h ^> 16h */
      &&get_s16_xxx1_xx10,     /*  8s -> 16h */
      &&get_s16_xxx1_xx90,     /*  8s ^> 16h */
      &&get_s16_xx12_xx12,     /* 16h -> 16h */
      &&get_s16_xx12_xx92,     /* 16h ^> 16h */
      &&get_s16_xx12_xx21,     /* 16s -> 16h */
      &&get_s16_xx12_xxA1,     /* 16s ^> 16h */
      &&get_s16_x123_xx12,     /* 24h -> 16h */
      &&get_s16_x123_xx92,     /* 24h ^> 16h */
      &&get_s16_123x_xx32,     /* 24s -> 16h */
      &&get_s16_123x_xxB2,     /* 24s ^> 16h */
      &&get_s16_1234_xx12,     /* 32h -> 16h */
      &&get_s16_1234_xx92,     /* 32h ^> 16h */
      &&get_s16_1234_xx43,     /* 32s -> 16h */
      &&get_s16_1234_xxC3,     /* 32s ^> 16h */
};
#endif

#ifdef GET_S16_END
while(0) {
get_s16_xxx1_xx10: sample = (u_int16_t)as_u8(src) << 8; goto GET_S16_END;
get_s16_xxx1_xx90: sample = (u_int16_t)(as_u8(src) ^ 0x80) << 8; goto GET_S16_END;
get_s16_xx12_xx12: sample = as_u16(src); goto GET_S16_END;
get_s16_xx12_xx92: sample = as_u16(src) ^ 0x8000; goto GET_S16_END;
get_s16_xx12_xx21: sample = swab16(as_u16(src)); goto GET_S16_END;
get_s16_xx12_xxA1: sample = swab16(as_u16(src) ^ 0x80); goto GET_S16_END;
get_s16_x123_xx12: sample = as_u32(src) >> 8; goto GET_S16_END;
get_s16_x123_xx92: sample = (as_u32(src) >> 8) ^ 0x8000; goto GET_S16_END;
get_s16_123x_xx32: sample = swab16(as_u32(src) >> 8); goto GET_S16_END;
get_s16_123x_xxB2: sample = swab16((as_u32(src) >> 8) ^ 0x8000); goto GET_S16_END;
get_s16_1234_xx12: sample = as_u32(src) >> 16; goto GET_S16_END;
get_s16_1234_xx92: sample = (as_u32(src) >> 16) ^ 0x8000; goto GET_S16_END;
get_s16_1234_xx43: sample = swab16(as_u32(src)); goto GET_S16_END;
get_s16_1234_xxC3: sample = swab16(as_u32(src) ^ 0x80); goto GET_S16_END;
}
#endif

#ifdef PUT_S16_LABELS
/* dst_wid dst_endswap unsigned */
static void *put_s16_labels[4 * 2 * 2] = {
      &&put_s16_xx12_xxx1,     /* 16h ->  8h */
      &&put_s16_xx12_xxx9,     /* 16h ^>  8h */
      &&put_s16_xx12_xxx1,     /* 16h ->  8s */
      &&put_s16_xx12_xxx9,     /* 16h ^>  8s */
      &&put_s16_xx12_xx12,     /* 16h -> 16h */
      &&put_s16_xx12_xx92,     /* 16h ^> 16h */
      &&put_s16_xx12_xx21,     /* 16h -> 16s */
      &&put_s16_xx12_xx29,     /* 16h ^> 16s */
      &&put_s16_xx12_x120,     /* 16h -> 24h */
      &&put_s16_xx12_x920,     /* 16h ^> 24h */
      &&put_s16_xx12_021x,     /* 16h -> 24s */
      &&put_s16_xx12_029x,     /* 16h ^> 24s */
      &&put_s16_xx12_1200,     /* 16h -> 32h */
      &&put_s16_xx12_9200,     /* 16h ^> 32h */
      &&put_s16_xx12_0021,     /* 16h -> 32s */
      &&put_s16_xx12_0029,     /* 16h ^> 32s */
};
#endif

#ifdef PUT_S16_END
while (0) {
put_s16_xx12_xxx1: as_u8(dst) = sample >> 8; goto PUT_S16_END;
put_s16_xx12_xxx9: as_u8(dst) = (sample >> 8) ^ 0x80; goto PUT_S16_END;
put_s16_xx12_xx12: as_u16(dst) = sample; goto PUT_S16_END;
put_s16_xx12_xx92: as_u16(dst) = sample ^ 0x8000; goto PUT_S16_END;
put_s16_xx12_xx21: as_u16(dst) = swab16(sample); goto PUT_S16_END;
put_s16_xx12_xx29: as_u16(dst) = swab16(sample) ^ 0x80; goto PUT_S16_END;
put_s16_xx12_x120: as_u32(dst) = (u_int32_t)sample << 8; goto PUT_S16_END;
put_s16_xx12_x920: as_u32(dst) = (u_int32_t)(sample ^ 0x8000) << 8; goto PUT_S16_END;
put_s16_xx12_021x: as_u32(dst) = (u_int32_t)swab16(sample) << 8; goto PUT_S16_END;
put_s16_xx12_029x: as_u32(dst) = (u_int32_t)(swab16(sample) ^ 0x80) << 8; goto PUT_S16_END;
put_s16_xx12_1200: as_u32(dst) = (u_int32_t)sample << 16; goto PUT_S16_END;
put_s16_xx12_9200: as_u32(dst) = (u_int32_t)(sample ^ 0x8000) << 16; goto PUT_S16_END;
put_s16_xx12_0021: as_u32(dst) = (u_int32_t)swab16(sample); goto PUT_S16_END;
put_s16_xx12_0029: as_u32(dst) = (u_int32_t)swab16(sample) ^ 0x80; goto PUT_S16_END;
}
#endif

#if 0
#ifdef GET32_LABELS
/* src_wid src_endswap unsigned */
static void *get32_labels[4 * 2 * 2] = {
      &&get32_xxx1_1000,       /*  8h -> 32h */
      &&get32_xxx1_9000,       /*  8h ^> 32h */
      &&get32_xxx1_1000,       /*  8s -> 32h */
      &&get32_xxx1_9000,       /*  8s ^> 32h */
      &&get32_xx12_1200,       /* 16h -> 32h */
      &&get32_xx12_9200,       /* 16h ^> 32h */
      &&get32_xx12_2100,       /* 16s -> 32h */
      &&get32_xx12_A100,       /* 16s ^> 32h */
      &&get32_x123_1230,       /* 24h -> 32h */
      &&get32_x123_9230,       /* 24h ^> 32h */
      &&get32_123x_3210,       /* 24s -> 32h */
      &&get32_123x_B210,       /* 24s ^> 32h */
      &&get32_1234_1234,       /* 32h -> 32h */
      &&get32_1234_9234,       /* 32h ^> 32h */
      &&get32_1234_4321,       /* 32s -> 32h */
      &&get32_1234_C321,       /* 32s ^> 32h */
};
#endif

#ifdef GET32_END
while (0) {
get32_xxx1_1000: sample = (u_int32_t)as_u8(src) << 24; goto GET32_END;
get32_xxx1_9000: sample = (u_int32_t)(as_u8(src) ^ 0x80) << 24; goto GET32_END;
get32_xx12_1200: sample = (u_int32_t)as_u16(src) << 16; goto GET32_END;
get32_xx12_9200: sample = (u_int32_t)(as_u16(src) ^ 0x8000) << 16; goto GET32_END;
get32_xx12_2100: sample = (u_int32_t)swab16(as_u16(src)) << 16; goto GET32_END;
get32_xx12_A100: sample = (u_int32_t)swab16(as_u16(src) ^ 0x80) << 16; goto GET32_END;
get32_x123_1230: sample = as_u32(src) << 8; goto GET32_END;
get32_x123_9230: sample = (as_u32(src) << 8) ^ 0x80000000; goto GET32_END;
get32_123x_3210: sample = swab32(as_u32(src) >> 8); goto GET32_END;
get32_123x_B210: sample = swab32((as_u32(src) >> 8) ^ 0x80); goto GET32_END;
get32_1234_1234: sample = as_u32(src); goto GET32_END;
get32_1234_9234: sample = as_u32(src) ^ 0x80000000; goto GET32_END;
get32_1234_4321: sample = swab32(as_u32(src)); goto GET32_END;
get32_1234_C321: sample = swab32(as_u32(src) ^ 0x80); goto GET32_END;
}
#endif
#endif

#ifdef PUT_U32_LABELS
/* dst_wid dst_endswap unsigned */
static void *put_u32_labels[4 * 2 * 2] = {
      &&put_u32_1234_xxx9,     /* u32h ->  s8h */
      &&put_u32_1234_xxx1,     /* u32h ->  u8h */
      &&put_u32_1234_xxx9,     /* u32h ->  s8s */
      &&put_u32_1234_xxx1,     /* u32h ->  u8s */
      &&put_u32_1234_xx92,     /* u32h -> s16h */
      &&put_u32_1234_xx12,     /* u32h -> u16h */
      &&put_u32_1234_xx29,     /* u32h -> s16s */
      &&put_u32_1234_xx21,     /* u32h -> u16s */
      &&put_u32_1234_x923,     /* u32h -> s24h */
      &&put_u32_1234_x123,     /* u32h -> u24h */
      &&put_u32_1234_329x,     /* u32h -> s24s */
      &&put_u32_1234_321x,     /* u32h -> u24s */
      &&put_u32_1234_9234,     /* u32h -> s32h */
      &&put_u32_1234_1234,     /* u32h -> u32h */
      &&put_u32_1234_4329,     /* u32h -> s32s */
      &&put_u32_1234_4321,     /* u32h -> u32s */
};
#endif

#ifdef PUT_U32_END
while (0) {
put_u32_1234_xxx1: as_u8(dst) = sample >> 24; goto PUT_U32_END;
put_u32_1234_xxx9: as_u8(dst) = (sample >> 24) ^ 0x80; goto PUT_U32_END;
put_u32_1234_xx12: as_u16(dst) = sample >> 16; goto PUT_U32_END;
put_u32_1234_xx92: as_u16(dst) = (sample >> 16) ^ 0x8000; goto PUT_U32_END;
put_u32_1234_xx21: as_u16(dst) = swab16(sample >> 16); goto PUT_U32_END;
put_u32_1234_xx29: as_u16(dst) = swab16(sample >> 16) ^ 0x80; goto PUT_U32_END;
put_u32_1234_x123: as_u32(dst) = sample >> 8; goto PUT_U32_END;
put_u32_1234_x923: as_u32(dst) = (sample >> 8) ^ 0x800000; goto PUT_U32_END;
put_u32_1234_321x: as_u32(dst) = swab32(sample) << 8; goto PUT_U32_END;
put_u32_1234_329x: as_u32(dst) = (swab32(sample) ^ 0x80) << 8; goto PUT_U32_END;
put_u32_1234_1234: as_u32(dst) = sample; goto PUT_U32_END;
put_u32_1234_9234: as_u32(dst) = sample ^ 0x80000000; goto PUT_U32_END;
put_u32_1234_4321: as_u32(dst) = swab32(sample); goto PUT_U32_END;
put_u32_1234_4329: as_u32(dst) = swab32(sample) ^ 0x80; goto PUT_U32_END;
}
#endif

#ifdef GET_U_LABELS
/* width endswap unsigned*/
static void *get_u_labels[4 * 2 * 2] = {
      &&get_u_s8, /* s8  ->  u8  */
      &&get_u_u8, /* u8  ->  u8  */
      &&get_u_s8, /* s8  ->  u8  */
      &&get_u_u8, /* u8  ->  u8  */
      &&get_u_s16h,     /* s16h -> u16h */
      &&get_u_u16h,     /* u16h -> u16h */
      &&get_u_s16s,     /* s16s -> u16h */
      &&get_u_u16s,     /* u16s -> u16h */
      &&get_u_s24h,     /* s24h -> u32h */
      &&get_u_u24h,     /* u24h -> u32h */
      &&get_u_s24s,     /* s24s -> u32h */
      &&get_u_u24s,     /* u24s -> u32h */
      &&get_u_s32h,     /* s32h -> u32h */
      &&get_u_u32h,     /* u32h -> u32h */
      &&get_u_s32s,     /* s32s -> u32h */
      &&get_u_u32s,     /* u32s -> u32h */
};
#endif

#ifdef GET_U_END
while (0) {
get_u_s8: sample = as_u8(src) ^ 0x80; goto GET_U_END;
get_u_u8: sample = as_u8(src); goto GET_U_END;
get_u_s16h: sample = as_u16(src) ^ 0x8000; goto GET_U_END;
get_u_u16h: sample = as_u16(src); goto GET_U_END;
get_u_s16s: sample = swab16(as_u16(src) ^ 0x80); goto GET_U_END;
get_u_u16s: sample = swab16(as_u16(src)); goto GET_U_END;
get_u_s24h: sample = (as_u32(src) ^ 0x800000); goto GET_U_END;
get_u_u24h: sample = as_u32(src); goto GET_U_END;
get_u_s24s: sample = swab32(as_u32(src) ^ 0x800000); goto GET_U_END;
get_u_u24s: sample = swab32(as_u32(src)); goto GET_U_END;
get_u_s32h: sample = as_u32(src) ^ 0x80000000; goto GET_U_END;
get_u_u32h: sample = as_u32(src); goto GET_U_END;
get_u_s32s: sample = swab32(as_u32(src) ^ 0x80); goto GET_U_END;
get_u_u32s: sample = swab32(as_u32(src)); goto GET_U_END;
}
#endif

#if 0
#ifdef PUT_LABELS
/* width endswap unsigned */
static void *put_labels[4 * 2 * 2] = {
      &&put_s8,   /* s8  ->  s8  */
      &&put_u8,   /* u8  ->  s8  */
      &&put_s8,   /* s8  ->  s8  */
      &&put_u8,   /* u8  ->  s8  */
      &&put_s16h, /* s16h -> s16h */
      &&put_u16h, /* u16h -> s16h */
      &&put_s16s, /* s16s -> s16h */
      &&put_u16s, /* u16s -> s16h */
      &&put_s24h, /* s24h -> s32h */
      &&put_u24h, /* u24h -> s32h */
      &&put_s24s, /* s24s -> s32h */
      &&put_u24s, /* u24s -> s32h */
      &&put_s32h, /* s32h -> s32h */
      &&put_u32h, /* u32h -> s32h */
      &&put_s32s, /* s32s -> s32h */
      &&put_u32s, /* u32s -> s32h */
};
#endif

#ifdef PUT_END
put_s8: as_s8(dst) = sample; goto PUT_END;
put_u8: as_u8(dst) = sample ^ 0x80; goto PUT_END;
put_s16h: as_s16(dst) = sample; goto PUT_END;
put_u16h: as_u16(dst) = sample ^ 0x8000; goto PUT_END;
put_s16s: as_s16(dst) = swab16(sample); goto PUT_END;
put_u16s: as_u16(dst) = swab16(sample ^ 0x80); goto PUT_END;
put_s24h: as_s24(dst) = sample & 0xffffff; goto PUT_END;
put_u24h: as_u24(dst) = sample ^ 0x80000000; goto PUT_END;
put_s24s: as_s24(dst) = swab32(sample & 0xffffff); goto PUT_END;
put_u24s: as_u24(dst) = swab32(sample ^ 0x80); goto PUT_END;
put_s32h: as_s32(dst) = sample; goto PUT_END;
put_u32h: as_u32(dst) = sample ^ 0x80000000; goto PUT_END;
put_s32s: as_s32(dst) = swab32(sample); goto PUT_END;
put_u32s: as_u32(dst) = swab32(sample ^ 0x80); goto PUT_END;
#endif
#endif

#undef as_u8
#undef as_u16
#undef as_u32
#undef as_s8
#undef as_s16
#undef as_s32

Generated by  Doxygen 1.6.0   Back to index