mirror of
https://github.com/alsa-project/alsa-lib.git
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86456d21e0
The rounding done when converting to smaller sample widths fails for saturated positive samples; in this case, the sample value overflows and becomes negative. We are better off without rounding, even if we then have quantization noise (of at most half the resolution of the least significant bit). ALSA bug#3360; Debian #437827; GNOME #436192; LP #116990; Mandriva #33908
1081 lines
42 KiB
C
1081 lines
42 KiB
C
/*
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* Plugin sample operators with fast switch
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* Copyright (c) 2000 by Jaroslav Kysela <perex@perex.cz>
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*
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef SX_INLINES
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#define SX_INLINES
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static inline u_int32_t sx24(u_int32_t x)
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{
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if(x&0x00800000)
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return x|0xFF000000;
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return x&0x00FFFFFF;
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}
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static inline u_int32_t sx24s(u_int32_t x)
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{
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if(x&0x00008000)
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return x|0x000000FF;
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return x&0xFFFFFF00;
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}
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#endif
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#define as_u8(ptr) (*(u_int8_t*)(ptr))
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#define as_u16(ptr) (*(u_int16_t*)(ptr))
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#define as_u32(ptr) (*(u_int32_t*)(ptr))
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#define as_u64(ptr) (*(u_int64_t*)(ptr))
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#define as_s8(ptr) (*(int8_t*)(ptr))
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#define as_s16(ptr) (*(int16_t*)(ptr))
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#define as_s32(ptr) (*(int32_t*)(ptr))
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#define as_s64(ptr) (*(int64_t*)(ptr))
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#define as_float(ptr) (*(float_t*)(ptr))
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#define as_double(ptr) (*(double_t*)(ptr))
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#define as_u8c(ptr) (*(const u_int8_t*)(ptr))
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#define as_u16c(ptr) (*(const u_int16_t*)(ptr))
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#define as_u32c(ptr) (*(const u_int32_t*)(ptr))
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#define as_u64c(ptr) (*(const u_int64_t*)(ptr))
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#define as_s8c(ptr) (*(const int8_t*)(ptr))
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#define as_s16c(ptr) (*(const int16_t*)(ptr))
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#define as_s32c(ptr) (*(const int32_t*)(ptr))
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#define as_s64c(ptr) (*(const int64_t*)(ptr))
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#define as_floatc(ptr) (*(const float_t*)(ptr))
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#define as_doublec(ptr) (*(const double_t*)(ptr))
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#define _get_triple_le(ptr) (*(u_int8_t*)(ptr) | (u_int32_t)*((u_int8_t*)(ptr) + 1) << 8 | (u_int32_t)*((u_int8_t*)(ptr) + 2) << 16)
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#define _get_triple_be(ptr) ((u_int32_t)*(u_int8_t*)(ptr) << 16 | (u_int32_t)*((u_int8_t*)(ptr) + 1) << 8 | *((u_int8_t*)(ptr) + 2))
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#define _put_triple_le(ptr,val) do { \
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u_int8_t *_tmp = (u_int8_t *)(ptr); \
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u_int32_t _val = (val); \
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_tmp[0] = _val; \
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_tmp[1] = _val >> 8; \
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_tmp[2] = _val >> 16; \
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} while(0)
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#define _put_triple_be(ptr,val) do { \
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u_int8_t *_tmp = (u_int8_t *)(ptr); \
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u_int32_t _val = (val); \
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_tmp[0] = _val >> 16; \
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_tmp[1] = _val >> 8; \
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_tmp[2] = _val; \
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} while(0)
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#ifdef SNDRV_LITTLE_ENDIAN
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#define _get_triple(ptr) _get_triple_le(ptr)
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#define _get_triple_s(ptr) _get_triple_be(ptr)
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#define _put_triple(ptr,val) _put_triple_le(ptr,val)
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#define _put_triple_s(ptr,val) _put_triple_be(ptr,val)
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#else
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#define _get_triple(ptr) _get_triple_be(ptr)
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#define _get_triple_s(ptr) _get_triple_le(ptr)
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#define _put_triple(ptr,val) _put_triple_be(ptr,val)
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#define _put_triple_s(ptr,val) _put_triple_le(ptr,val)
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#endif
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#ifdef COPY_LABELS
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static void *copy_labels[5] = {
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&©_8,
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&©_16,
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&©_24
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&©_32,
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&©_64
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};
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#endif
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#ifdef COPY_END
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while(0) {
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copy_8: as_s8(dst) = as_s8c(src); goto COPY_END;
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copy_16: as_s16(dst) = as_s16c(src); goto COPY_END;
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copy_24: memcpy(dst,src,3); goto COPY_END;
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copy_32: as_s32(dst) = as_s32c(src); goto COPY_END;
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copy_64: as_s64(dst) = as_s64c(src); goto COPY_END;
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}
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#endif
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#ifdef CONV_LABELS
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/* src_wid src_endswap sign_toggle dst_wid dst_endswap */
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static void *conv_labels[4 * 2 * 2 * 4 * 2] = {
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&&conv_xxx1_xxx1, /* 8h -> 8h */
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&&conv_xxx1_xxx1, /* 8h -> 8s */
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&&conv_xxx1_xx10, /* 8h -> 16h */
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&&conv_xxx1_xx01, /* 8h -> 16s */
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&&conv_xxx1_x100, /* 8h -> 24h */
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&&conv_xxx1_001x, /* 8h -> 24s */
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&&conv_xxx1_1000, /* 8h -> 32h */
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&&conv_xxx1_0001, /* 8h -> 32s */
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&&conv_xxx1_xxx9, /* 8h ^> 8h */
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&&conv_xxx1_xxx9, /* 8h ^> 8s */
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&&conv_xxx1_xx90, /* 8h ^> 16h */
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&&conv_xxx1_xx09, /* 8h ^> 16s */
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&&conv_xxx1_x900, /* 8h ^> 24h */
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&&conv_xxx1_009x, /* 8h ^> 24s */
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&&conv_xxx1_9000, /* 8h ^> 32h */
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&&conv_xxx1_0009, /* 8h ^> 32s */
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&&conv_xxx1_xxx1, /* 8s -> 8h */
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&&conv_xxx1_xxx1, /* 8s -> 8s */
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&&conv_xxx1_xx10, /* 8s -> 16h */
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&&conv_xxx1_xx01, /* 8s -> 16s */
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&&conv_xxx1_x100, /* 8s -> 24h */
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&&conv_xxx1_001x, /* 8s -> 24s */
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&&conv_xxx1_1000, /* 8s -> 32h */
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&&conv_xxx1_0001, /* 8s -> 32s */
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&&conv_xxx1_xxx9, /* 8s ^> 8h */
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&&conv_xxx1_xxx9, /* 8s ^> 8s */
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&&conv_xxx1_xx90, /* 8s ^> 16h */
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&&conv_xxx1_xx09, /* 8s ^> 16s */
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&&conv_xxx1_x900, /* 8s ^> 24h */
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&&conv_xxx1_009x, /* 8s ^> 24s */
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&&conv_xxx1_9000, /* 8s ^> 32h */
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&&conv_xxx1_0009, /* 8s ^> 32s */
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&&conv_xx12_xxx1, /* 16h -> 8h */
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&&conv_xx12_xxx1, /* 16h -> 8s */
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&&conv_xx12_xx12, /* 16h -> 16h */
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&&conv_xx12_xx21, /* 16h -> 16s */
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&&conv_xx12_x120, /* 16h -> 24h */
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&&conv_xx12_021x, /* 16h -> 24s */
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&&conv_xx12_1200, /* 16h -> 32h */
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&&conv_xx12_0021, /* 16h -> 32s */
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&&conv_xx12_xxx9, /* 16h ^> 8h */
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&&conv_xx12_xxx9, /* 16h ^> 8s */
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&&conv_xx12_xx92, /* 16h ^> 16h */
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&&conv_xx12_xx29, /* 16h ^> 16s */
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&&conv_xx12_x920, /* 16h ^> 24h */
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&&conv_xx12_029x, /* 16h ^> 24s */
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&&conv_xx12_9200, /* 16h ^> 32h */
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&&conv_xx12_0029, /* 16h ^> 32s */
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&&conv_xx12_xxx2, /* 16s -> 8h */
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&&conv_xx12_xxx2, /* 16s -> 8s */
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&&conv_xx12_xx21, /* 16s -> 16h */
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&&conv_xx12_xx12, /* 16s -> 16s */
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&&conv_xx12_x210, /* 16s -> 24h */
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&&conv_xx12_012x, /* 16s -> 24s */
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&&conv_xx12_2100, /* 16s -> 32h */
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&&conv_xx12_0012, /* 16s -> 32s */
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&&conv_xx12_xxxA, /* 16s ^> 8h */
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&&conv_xx12_xxxA, /* 16s ^> 8s */
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&&conv_xx12_xxA1, /* 16s ^> 16h */
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&&conv_xx12_xx1A, /* 16s ^> 16s */
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&&conv_xx12_xA10, /* 16s ^> 24h */
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&&conv_xx12_01Ax, /* 16s ^> 24s */
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&&conv_xx12_A100, /* 16s ^> 32h */
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&&conv_xx12_001A, /* 16s ^> 32s */
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&&conv_x123_xxx1, /* 24h -> 8h */
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&&conv_x123_xxx1, /* 24h -> 8s */
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&&conv_x123_xx12, /* 24h -> 16h */
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&&conv_x123_xx21, /* 24h -> 16s */
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&&conv_x123_x123, /* 24h -> 24h */
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&&conv_x123_321x, /* 24h -> 24s */
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&&conv_x123_1230, /* 24h -> 32h */
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&&conv_x123_0321, /* 24h -> 32s */
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&&conv_x123_xxx9, /* 24h ^> 8h */
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&&conv_x123_xxx9, /* 24h ^> 8s */
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&&conv_x123_xx92, /* 24h ^> 16h */
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&&conv_x123_xx29, /* 24h ^> 16s */
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&&conv_x123_x923, /* 24h ^> 24h */
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&&conv_x123_329x, /* 24h ^> 24s */
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&&conv_x123_9230, /* 24h ^> 32h */
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&&conv_x123_0329, /* 24h ^> 32s */
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&&conv_123x_xxx3, /* 24s -> 8h */
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&&conv_123x_xxx3, /* 24s -> 8s */
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&&conv_123x_xx32, /* 24s -> 16h */
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&&conv_123x_xx23, /* 24s -> 16s */
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&&conv_123x_x321, /* 24s -> 24h */
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&&conv_123x_123x, /* 24s -> 24s */
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&&conv_123x_3210, /* 24s -> 32h */
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&&conv_123x_0123, /* 24s -> 32s */
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&&conv_123x_xxxB, /* 24s ^> 8h */
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&&conv_123x_xxxB, /* 24s ^> 8s */
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&&conv_123x_xxB2, /* 24s ^> 16h */
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&&conv_123x_xx2B, /* 24s ^> 16s */
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&&conv_123x_xB21, /* 24s ^> 24h */
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&&conv_123x_12Bx, /* 24s ^> 24s */
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&&conv_123x_B210, /* 24s ^> 32h */
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&&conv_123x_012B, /* 24s ^> 32s */
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&&conv_1234_xxx1, /* 32h -> 8h */
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&&conv_1234_xxx1, /* 32h -> 8s */
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&&conv_1234_xx12, /* 32h -> 16h */
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&&conv_1234_xx21, /* 32h -> 16s */
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&&conv_1234_x123, /* 32h -> 24h */
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&&conv_1234_321x, /* 32h -> 24s */
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&&conv_1234_1234, /* 32h -> 32h */
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&&conv_1234_4321, /* 32h -> 32s */
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&&conv_1234_xxx9, /* 32h ^> 8h */
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&&conv_1234_xxx9, /* 32h ^> 8s */
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&&conv_1234_xx92, /* 32h ^> 16h */
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&&conv_1234_xx29, /* 32h ^> 16s */
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&&conv_1234_x923, /* 32h ^> 24h */
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&&conv_1234_329x, /* 32h ^> 24s */
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&&conv_1234_9234, /* 32h ^> 32h */
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&&conv_1234_4329, /* 32h ^> 32s */
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&&conv_1234_xxx4, /* 32s -> 8h */
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&&conv_1234_xxx4, /* 32s -> 8s */
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&&conv_1234_xx43, /* 32s -> 16h */
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&&conv_1234_xx34, /* 32s -> 16s */
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&&conv_1234_x432, /* 32s -> 24h */
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&&conv_1234_234x, /* 32s -> 24s */
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&&conv_1234_4321, /* 32s -> 32h */
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&&conv_1234_1234, /* 32s -> 32s */
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&&conv_1234_xxxC, /* 32s ^> 8h */
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&&conv_1234_xxxC, /* 32s ^> 8s */
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&&conv_1234_xxC3, /* 32s ^> 16h */
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&&conv_1234_xx3C, /* 32s ^> 16s */
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&&conv_1234_xC32, /* 32s ^> 24h */
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&&conv_1234_23Cx, /* 32s ^> 24s */
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&&conv_1234_C321, /* 32s ^> 32h */
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&&conv_1234_123C, /* 32s ^> 32s */
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};
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#endif
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#ifdef CONV_END
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while(0) {
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conv_xxx1_xxx1: as_u8(dst) = as_u8c(src); goto CONV_END;
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conv_xxx1_xx10: as_u16(dst) = (u_int16_t)as_u8c(src) << 8; goto CONV_END;
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conv_xxx1_xx01: as_u16(dst) = (u_int16_t)as_u8c(src); goto CONV_END;
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conv_xxx1_x100: as_u32(dst) = sx24((u_int32_t)as_u8c(src) << 16); goto CONV_END;
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conv_xxx1_001x: as_u32(dst) = sx24s((u_int32_t)as_u8c(src) << 8); goto CONV_END;
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conv_xxx1_1000: as_u32(dst) = (u_int32_t)as_u8c(src) << 24; goto CONV_END;
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conv_xxx1_0001: as_u32(dst) = (u_int32_t)as_u8c(src); goto CONV_END;
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conv_xxx1_xxx9: as_u8(dst) = as_u8c(src) ^ 0x80; goto CONV_END;
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conv_xxx1_xx90: as_u16(dst) = (u_int16_t)(as_u8c(src) ^ 0x80) << 8; goto CONV_END;
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conv_xxx1_xx09: as_u16(dst) = (u_int16_t)(as_u8c(src) ^ 0x80); goto CONV_END;
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conv_xxx1_x900: as_u32(dst) = sx24((u_int32_t)(as_u8c(src) ^ 0x80) << 16); goto CONV_END;
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conv_xxx1_009x: as_u32(dst) = sx24s((u_int32_t)(as_u8c(src) ^ 0x80) << 8); goto CONV_END;
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conv_xxx1_9000: as_u32(dst) = (u_int32_t)(as_u8c(src) ^ 0x80) << 24; goto CONV_END;
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conv_xxx1_0009: as_u32(dst) = (u_int32_t)(as_u8c(src) ^ 0x80); goto CONV_END;
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conv_xx12_xxx1: as_u8(dst) = as_u16c(src) >> 8; goto CONV_END;
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conv_xx12_xx12: as_u16(dst) = as_u16c(src); goto CONV_END;
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conv_xx12_xx21: as_u16(dst) = bswap_16(as_u16c(src)); goto CONV_END;
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conv_xx12_x120: as_u32(dst) = sx24((u_int32_t)as_u16c(src) << 8); goto CONV_END;
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conv_xx12_021x: as_u32(dst) = sx24s((u_int32_t)bswap_16(as_u16c(src)) << 8); goto CONV_END;
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conv_xx12_1200: as_u32(dst) = (u_int32_t)as_u16c(src) << 16; goto CONV_END;
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conv_xx12_0021: as_u32(dst) = (u_int32_t)bswap_16(as_u16c(src)); goto CONV_END;
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conv_xx12_xxx9: as_u8(dst) = (as_u16c(src) >> 8) ^ 0x80; goto CONV_END;
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conv_xx12_xx92: as_u16(dst) = as_u16c(src) ^ 0x8000; goto CONV_END;
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conv_xx12_xx29: as_u16(dst) = bswap_16(as_u16c(src)) ^ 0x80; goto CONV_END;
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conv_xx12_x920: as_u32(dst) = sx24((u_int32_t)(as_u16c(src) ^ 0x8000) << 8); goto CONV_END;
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conv_xx12_029x: as_u32(dst) = sx24s((u_int32_t)(bswap_16(as_u16c(src)) ^ 0x80) << 8); goto CONV_END;
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conv_xx12_9200: as_u32(dst) = (u_int32_t)(as_u16c(src) ^ 0x8000) << 16; goto CONV_END;
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conv_xx12_0029: as_u32(dst) = (u_int32_t)(bswap_16(as_u16c(src)) ^ 0x80); goto CONV_END;
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conv_xx12_xxx2: as_u8(dst) = as_u16c(src) & 0xff; goto CONV_END;
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conv_xx12_x210: as_u32(dst) = sx24((u_int32_t)bswap_16(as_u16c(src)) << 8); goto CONV_END;
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conv_xx12_012x: as_u32(dst) = sx24s((u_int32_t)as_u16c(src) << 8); goto CONV_END;
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conv_xx12_2100: as_u32(dst) = (u_int32_t)bswap_16(as_u16c(src)) << 16; goto CONV_END;
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conv_xx12_0012: as_u32(dst) = (u_int32_t)as_u16c(src); goto CONV_END;
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conv_xx12_xxxA: as_u8(dst) = (as_u16c(src) ^ 0x80) & 0xff; goto CONV_END;
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conv_xx12_xxA1: as_u16(dst) = bswap_16(as_u16c(src) ^ 0x80); goto CONV_END;
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conv_xx12_xx1A: as_u16(dst) = as_u16c(src) ^ 0x80; goto CONV_END;
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conv_xx12_xA10: as_u32(dst) = sx24((u_int32_t)bswap_16(as_u16c(src) ^ 0x80) << 8); goto CONV_END;
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conv_xx12_01Ax: as_u32(dst) = sx24s((u_int32_t)(as_u16c(src) ^ 0x80) << 8); goto CONV_END;
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conv_xx12_A100: as_u32(dst) = (u_int32_t)bswap_16(as_u16c(src) ^ 0x80) << 16; goto CONV_END;
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conv_xx12_001A: as_u32(dst) = (u_int32_t)(as_u16c(src) ^ 0x80); goto CONV_END;
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conv_x123_xxx1: as_u8(dst) = as_u32c(src) >> 16; goto CONV_END;
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conv_x123_xx12: as_u16(dst) = as_u32c(src) >> 8; goto CONV_END;
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conv_x123_xx21: as_u16(dst) = bswap_16(as_u32c(src) >> 8); goto CONV_END;
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conv_x123_x123: as_u32(dst) = sx24(as_u32c(src)); goto CONV_END;
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conv_x123_321x: as_u32(dst) = sx24s(bswap_32(as_u32c(src))); goto CONV_END;
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conv_x123_1230: as_u32(dst) = as_u32c(src) << 8; goto CONV_END;
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conv_x123_0321: as_u32(dst) = bswap_32(as_u32c(src)) >> 8; goto CONV_END;
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conv_x123_xxx9: as_u8(dst) = (as_u32c(src) >> 16) ^ 0x80; goto CONV_END;
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conv_x123_xx92: as_u16(dst) = (as_u32c(src) >> 8) ^ 0x8000; goto CONV_END;
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conv_x123_xx29: as_u16(dst) = bswap_16(as_u32c(src) >> 8) ^ 0x80; goto CONV_END;
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conv_x123_x923: as_u32(dst) = sx24(as_u32c(src) ^ 0x800000); goto CONV_END;
|
|
conv_x123_329x: as_u32(dst) = sx24s(bswap_32(as_u32c(src)) ^ 0x8000); goto CONV_END;
|
|
conv_x123_9230: as_u32(dst) = (as_u32c(src) ^ 0x800000) << 8; goto CONV_END;
|
|
conv_x123_0329: as_u32(dst) = (bswap_32(as_u32c(src)) >> 8) ^ 0x80; goto CONV_END;
|
|
conv_123x_xxx3: as_u8(dst) = (as_u32c(src) >> 8) & 0xff; goto CONV_END;
|
|
conv_123x_xx32: as_u16(dst) = bswap_16(as_u32c(src) >> 8); goto CONV_END;
|
|
conv_123x_xx23: as_u16(dst) = (as_u32c(src) >> 8) & 0xffff; goto CONV_END;
|
|
conv_123x_x321: as_u32(dst) = sx24(bswap_32(as_u32c(src))); goto CONV_END;
|
|
conv_123x_123x: as_u32(dst) = sx24s(as_u32c(src)); goto CONV_END;
|
|
conv_123x_3210: as_u32(dst) = bswap_32(as_u32c(src)) << 8; goto CONV_END;
|
|
conv_123x_0123: as_u32(dst) = as_u32c(src) >> 8; goto CONV_END;
|
|
conv_123x_xxxB: as_u8(dst) = ((as_u32c(src) >> 8) & 0xff) ^ 0x80; goto CONV_END;
|
|
conv_123x_xxB2: as_u16(dst) = bswap_16((as_u32c(src) >> 8) ^ 0x80); goto CONV_END;
|
|
conv_123x_xx2B: as_u16(dst) = ((as_u32c(src) >> 8) & 0xffff) ^ 0x80; goto CONV_END;
|
|
conv_123x_xB21: as_u32(dst) = sx24(bswap_32(as_u32c(src)) ^ 0x800000); goto CONV_END;
|
|
conv_123x_12Bx: as_u32(dst) = sx24s(as_u32c(src) ^ 0x8000); goto CONV_END;
|
|
conv_123x_B210: as_u32(dst) = bswap_32(as_u32c(src) ^ 0x8000) << 8; goto CONV_END;
|
|
conv_123x_012B: as_u32(dst) = (as_u32c(src) >> 8) ^ 0x80; goto CONV_END;
|
|
conv_1234_xxx1: as_u8(dst) = as_u32c(src) >> 24; goto CONV_END;
|
|
conv_1234_xx12: as_u16(dst) = as_u32c(src) >> 16; goto CONV_END;
|
|
conv_1234_xx21: as_u16(dst) = bswap_16(as_u32c(src) >> 16); goto CONV_END;
|
|
conv_1234_x123: as_u32(dst) = sx24(as_u32c(src) >> 8); goto CONV_END;
|
|
conv_1234_321x: as_u32(dst) = sx24s(bswap_32(as_u32c(src)) << 8); goto CONV_END;
|
|
conv_1234_1234: as_u32(dst) = as_u32c(src); goto CONV_END;
|
|
conv_1234_4321: as_u32(dst) = bswap_32(as_u32c(src)); goto CONV_END;
|
|
conv_1234_xxx9: as_u8(dst) = (as_u32c(src) >> 24) ^ 0x80; goto CONV_END;
|
|
conv_1234_xx92: as_u16(dst) = (as_u32c(src) >> 16) ^ 0x8000; goto CONV_END;
|
|
conv_1234_xx29: as_u16(dst) = bswap_16(as_u32c(src) >> 16) ^ 0x80; goto CONV_END;
|
|
conv_1234_x923: as_u32(dst) = sx24((as_u32c(src) >> 8) ^ 0x800000); goto CONV_END;
|
|
conv_1234_329x: as_u32(dst) = sx24s((bswap_32(as_u32c(src)) ^ 0x80) << 8); goto CONV_END;
|
|
conv_1234_9234: as_u32(dst) = as_u32c(src) ^ 0x80000000; goto CONV_END;
|
|
conv_1234_4329: as_u32(dst) = bswap_32(as_u32c(src)) ^ 0x80; goto CONV_END;
|
|
conv_1234_xxx4: as_u8(dst) = as_u32c(src) & 0xff; goto CONV_END;
|
|
conv_1234_xx43: as_u16(dst) = bswap_16(as_u32c(src)); goto CONV_END;
|
|
conv_1234_xx34: as_u16(dst) = as_u32c(src) & 0xffff; goto CONV_END;
|
|
conv_1234_x432: as_u32(dst) = sx24(bswap_32(as_u32c(src)) >> 8); goto CONV_END;
|
|
conv_1234_234x: as_u32(dst) = sx24s(as_u32c(src) << 8); goto CONV_END;
|
|
conv_1234_xxxC: as_u8(dst) = (as_u32c(src) & 0xff) ^ 0x80; goto CONV_END;
|
|
conv_1234_xxC3: as_u16(dst) = bswap_16(as_u32c(src) ^ 0x80); goto CONV_END;
|
|
conv_1234_xx3C: as_u16(dst) = (as_u32c(src) & 0xffff) ^ 0x80; goto CONV_END;
|
|
conv_1234_xC32: as_u32(dst) = sx24((bswap_32(as_u32c(src)) >> 8) ^ 0x800000); goto CONV_END;
|
|
conv_1234_23Cx: as_u32(dst) = sx24s((as_u32c(src) ^ 0x80) << 8); goto CONV_END;
|
|
conv_1234_C321: as_u32(dst) = bswap_32(as_u32c(src) ^ 0x80); goto CONV_END;
|
|
conv_1234_123C: as_u32(dst) = as_u32c(src) ^ 0x80; goto CONV_END;
|
|
}
|
|
#endif
|
|
|
|
#ifdef GET16_LABELS
|
|
/* src_wid src_endswap sign_toggle */
|
|
static void *get16_labels[4 * 2 * 2 + 4 * 3] = {
|
|
&&get16_1_10, /* 8h -> 16h */
|
|
&&get16_1_90, /* 8h ^> 16h */
|
|
&&get16_1_10, /* 8s -> 16h */
|
|
&&get16_1_90, /* 8s ^> 16h */
|
|
&&get16_12_12, /* 16h -> 16h */
|
|
&&get16_12_92, /* 16h ^> 16h */
|
|
&&get16_12_21, /* 16s -> 16h */
|
|
&&get16_12_A1, /* 16s ^> 16h */
|
|
&&get16_0123_12, /* 24h -> 16h */
|
|
&&get16_0123_92, /* 24h ^> 16h */
|
|
&&get16_1230_32, /* 24s -> 16h */
|
|
&&get16_1230_B2, /* 24s ^> 16h */
|
|
&&get16_1234_12, /* 32h -> 16h */
|
|
&&get16_1234_92, /* 32h ^> 16h */
|
|
&&get16_1234_43, /* 32s -> 16h */
|
|
&&get16_1234_C3, /* 32s ^> 16h */
|
|
/* 3bytes format */
|
|
&&get16_123_12, /* 24h -> 16h */
|
|
&&get16_123_92, /* 24h ^> 16h */
|
|
&&get16_123_32, /* 24s -> 16h */
|
|
&&get16_123_B2, /* 24s ^> 16h */
|
|
&&get16_123_12_20, /* 20h -> 16h */
|
|
&&get16_123_92_20, /* 20h ^> 16h */
|
|
&&get16_123_32_20, /* 20s -> 16h */
|
|
&&get16_123_B2_20, /* 20s ^> 16h */
|
|
&&get16_123_12_18, /* 18h -> 16h */
|
|
&&get16_123_92_18, /* 18h ^> 16h */
|
|
&&get16_123_32_18, /* 18s -> 16h */
|
|
&&get16_123_B2_18, /* 18s ^> 16h */
|
|
};
|
|
#endif
|
|
|
|
#ifdef GET16_END
|
|
while(0) {
|
|
get16_1_10: sample = (u_int16_t)as_u8c(src) << 8; goto GET16_END;
|
|
get16_1_90: sample = (u_int16_t)(as_u8c(src) ^ 0x80) << 8; goto GET16_END;
|
|
get16_12_12: sample = as_u16c(src); goto GET16_END;
|
|
get16_12_92: sample = as_u16c(src) ^ 0x8000; goto GET16_END;
|
|
get16_12_21: sample = bswap_16(as_u16c(src)); goto GET16_END;
|
|
get16_12_A1: sample = bswap_16(as_u16c(src) ^ 0x80); goto GET16_END;
|
|
get16_0123_12: sample = as_u32c(src) >> 8; goto GET16_END;
|
|
get16_0123_92: sample = (as_u32c(src) >> 8) ^ 0x8000; goto GET16_END;
|
|
get16_1230_32: sample = bswap_16(as_u32c(src) >> 8); goto GET16_END;
|
|
get16_1230_B2: sample = bswap_16((as_u32c(src) >> 8) ^ 0x80); goto GET16_END;
|
|
get16_1234_12: sample = as_u32c(src) >> 16; goto GET16_END;
|
|
get16_1234_92: sample = (as_u32c(src) >> 16) ^ 0x8000; goto GET16_END;
|
|
get16_1234_43: sample = bswap_16(as_u32c(src)); goto GET16_END;
|
|
get16_1234_C3: sample = bswap_16(as_u32c(src) ^ 0x80); goto GET16_END;
|
|
get16_123_12: sample = _get_triple(src) >> 8; goto GET16_END;
|
|
get16_123_92: sample = (_get_triple(src) >> 8) ^ 0x8000; goto GET16_END;
|
|
get16_123_32: sample = _get_triple_s(src) >> 8; goto GET16_END;
|
|
get16_123_B2: sample = (_get_triple_s(src) >> 8) ^ 0x8000; goto GET16_END;
|
|
get16_123_12_20: sample = _get_triple(src) >> 4; goto GET16_END;
|
|
get16_123_92_20: sample = (_get_triple(src) >> 4) ^ 0x8000; goto GET16_END;
|
|
get16_123_32_20: sample = _get_triple_s(src) >> 4; goto GET16_END;
|
|
get16_123_B2_20: sample = (_get_triple_s(src) >> 4) ^ 0x8000; goto GET16_END;
|
|
get16_123_12_18: sample = _get_triple(src) >> 2; goto GET16_END;
|
|
get16_123_92_18: sample = (_get_triple(src) >> 2) ^ 0x8000; goto GET16_END;
|
|
get16_123_32_18: sample = _get_triple_s(src) >> 2; goto GET16_END;
|
|
get16_123_B2_18: sample = (_get_triple_s(src) >> 2) ^ 0x8000; goto GET16_END;
|
|
}
|
|
#endif
|
|
|
|
#ifdef PUT16_LABELS
|
|
/* dst_wid dst_endswap sign_toggle */
|
|
static void *put16_labels[4 * 2 * 2] = {
|
|
&&put16_12_1, /* 16h -> 8h */
|
|
&&put16_12_9, /* 16h ^> 8h */
|
|
&&put16_12_1, /* 16h -> 8s */
|
|
&&put16_12_9, /* 16h ^> 8s */
|
|
&&put16_12_12, /* 16h -> 16h */
|
|
&&put16_12_92, /* 16h ^> 16h */
|
|
&&put16_12_21, /* 16h -> 16s */
|
|
&&put16_12_29, /* 16h ^> 16s */
|
|
&&put16_12_0120, /* 16h -> 24h */
|
|
&&put16_12_0920, /* 16h ^> 24h */
|
|
&&put16_12_0210, /* 16h -> 24s */
|
|
&&put16_12_0290, /* 16h ^> 24s */
|
|
&&put16_12_1200, /* 16h -> 32h */
|
|
&&put16_12_9200, /* 16h ^> 32h */
|
|
&&put16_12_0021, /* 16h -> 32s */
|
|
&&put16_12_0029, /* 16h ^> 32s */
|
|
};
|
|
#endif
|
|
|
|
#ifdef PUT16_END
|
|
while (0) {
|
|
put16_12_1: as_u8(dst) = sample >> 8; goto PUT16_END;
|
|
put16_12_9: as_u8(dst) = (sample >> 8) ^ 0x80; goto PUT16_END;
|
|
put16_12_12: as_u16(dst) = sample; goto PUT16_END;
|
|
put16_12_92: as_u16(dst) = sample ^ 0x8000; goto PUT16_END;
|
|
put16_12_21: as_u16(dst) = bswap_16(sample); goto PUT16_END;
|
|
put16_12_29: as_u16(dst) = bswap_16(sample) ^ 0x80; goto PUT16_END;
|
|
put16_12_0120: as_u32(dst) = sx24((u_int32_t)sample << 8); goto PUT16_END;
|
|
put16_12_0920: as_u32(dst) = sx24((u_int32_t)(sample ^ 0x8000) << 8); goto PUT16_END;
|
|
put16_12_0210: as_u32(dst) = sx24s((u_int32_t)bswap_16(sample) << 8); goto PUT16_END;
|
|
put16_12_0290: as_u32(dst) = sx24s((u_int32_t)(bswap_16(sample) ^ 0x80) << 8); goto PUT16_END;
|
|
put16_12_1200: as_u32(dst) = (u_int32_t)sample << 16; goto PUT16_END;
|
|
put16_12_9200: as_u32(dst) = (u_int32_t)(sample ^ 0x8000) << 16; goto PUT16_END;
|
|
put16_12_0021: as_u32(dst) = (u_int32_t)bswap_16(sample); goto PUT16_END;
|
|
put16_12_0029: as_u32(dst) = (u_int32_t)bswap_16(sample) ^ 0x80; goto PUT16_END;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONV24_LABELS
|
|
#define GET32_LABELS
|
|
#define PUT32_LABELS
|
|
#endif
|
|
|
|
#ifdef GET32_LABELS
|
|
/* src_wid src_endswap sign_toggle */
|
|
static void *get32_labels[4 * 2 * 2 + 4 * 3] = {
|
|
&&get32_1_1000, /* 8h -> 32h */
|
|
&&get32_1_9000, /* 8h ^> 32h */
|
|
&&get32_1_1000, /* 8s -> 32h */
|
|
&&get32_1_9000, /* 8s ^> 32h */
|
|
&&get32_12_1200, /* 16h -> 32h */
|
|
&&get32_12_9200, /* 16h ^> 32h */
|
|
&&get32_12_2100, /* 16s -> 32h */
|
|
&&get32_12_A100, /* 16s ^> 32h */
|
|
&&get32_0123_1230, /* 24h -> 32h */
|
|
&&get32_0123_9230, /* 24h ^> 32h */
|
|
&&get32_1230_3210, /* 24s -> 32h */
|
|
&&get32_1230_B210, /* 24s ^> 32h */
|
|
&&get32_1234_1234, /* 32h -> 32h */
|
|
&&get32_1234_9234, /* 32h ^> 32h */
|
|
&&get32_1234_4321, /* 32s -> 32h */
|
|
&&get32_1234_C321, /* 32s ^> 32h */
|
|
/* 3bytes format */
|
|
&&get32_123_1230, /* 24h -> 32h */
|
|
&&get32_123_9230, /* 24h ^> 32h */
|
|
&&get32_123_3210, /* 24s -> 32h */
|
|
&&get32_123_B210, /* 24s ^> 32h */
|
|
&&get32_123_1230_20, /* 20h -> 32h */
|
|
&&get32_123_9230_20, /* 20h ^> 32h */
|
|
&&get32_123_3210_20, /* 20s -> 32h */
|
|
&&get32_123_B210_20, /* 20s ^> 32h */
|
|
&&get32_123_1230_18, /* 18h -> 32h */
|
|
&&get32_123_9230_18, /* 18h ^> 32h */
|
|
&&get32_123_3210_18, /* 18s -> 32h */
|
|
&&get32_123_B210_18, /* 18s ^> 32h */
|
|
};
|
|
#endif
|
|
|
|
#ifdef CONV24_END
|
|
#define GET32_END __conv24_get
|
|
#endif
|
|
|
|
#ifdef GET32_END
|
|
while (0) {
|
|
get32_1_1000: sample = (u_int32_t)as_u8c(src) << 24; goto GET32_END;
|
|
get32_1_9000: sample = (u_int32_t)(as_u8c(src) ^ 0x80) << 24; goto GET32_END;
|
|
get32_12_1200: sample = (u_int32_t)as_u16c(src) << 16; goto GET32_END;
|
|
get32_12_9200: sample = (u_int32_t)(as_u16c(src) ^ 0x8000) << 16; goto GET32_END;
|
|
get32_12_2100: sample = (u_int32_t)bswap_16(as_u16c(src)) << 16; goto GET32_END;
|
|
get32_12_A100: sample = (u_int32_t)bswap_16(as_u16c(src) ^ 0x80) << 16; goto GET32_END;
|
|
get32_0123_1230: sample = as_u32c(src) << 8; goto GET32_END;
|
|
get32_0123_9230: sample = (as_u32c(src) << 8) ^ 0x80000000; goto GET32_END;
|
|
get32_1230_3210: sample = bswap_32(as_u32c(src) >> 8); goto GET32_END;
|
|
get32_1230_B210: sample = bswap_32((as_u32c(src) >> 8) ^ 0x80); goto GET32_END;
|
|
get32_1234_1234: sample = as_u32c(src); goto GET32_END;
|
|
get32_1234_9234: sample = as_u32c(src) ^ 0x80000000; goto GET32_END;
|
|
get32_1234_4321: sample = bswap_32(as_u32c(src)); goto GET32_END;
|
|
get32_1234_C321: sample = bswap_32(as_u32c(src) ^ 0x80); goto GET32_END;
|
|
get32_123_1230: sample = _get_triple(src) << 8; goto GET32_END;
|
|
get32_123_9230: sample = (_get_triple(src) << 8) ^ 0x80000000; goto GET32_END;
|
|
get32_123_3210: sample = _get_triple_s(src) << 8; goto GET32_END;
|
|
get32_123_B210: sample = (_get_triple_s(src) << 8) ^ 0x80000000; goto GET32_END;
|
|
get32_123_1230_20: sample = _get_triple(src) << 12; goto GET32_END;
|
|
get32_123_9230_20: sample = (_get_triple(src) << 12) ^ 0x80000000; goto GET32_END;
|
|
get32_123_3210_20: sample = _get_triple_s(src) << 12; goto GET32_END;
|
|
get32_123_B210_20: sample = (_get_triple_s(src) << 12) ^ 0x80000000; goto GET32_END;
|
|
get32_123_1230_18: sample = _get_triple(src) << 14; goto GET32_END;
|
|
get32_123_9230_18: sample = (_get_triple(src) << 14) ^ 0x80000000; goto GET32_END;
|
|
get32_123_3210_18: sample = _get_triple_s(src) << 14; goto GET32_END;
|
|
get32_123_B210_18: sample = (_get_triple_s(src) << 14) ^ 0x80000000; goto GET32_END;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONV24_END
|
|
__conv24_get: goto *put;
|
|
#define PUT32_END CONV24_END
|
|
#endif
|
|
|
|
#ifdef PUT32_LABELS
|
|
/* dst_wid dst_endswap sign_toggle */
|
|
static void *put32_labels[4 * 2 * 2 + 4 * 3] = {
|
|
&&put32_1234_1, /* 32h -> 8h */
|
|
&&put32_1234_9, /* 32h ^> 8h */
|
|
&&put32_1234_1, /* 32h -> 8s */
|
|
&&put32_1234_9, /* 32h ^> 8s */
|
|
&&put32_1234_12, /* 32h -> 16h */
|
|
&&put32_1234_92, /* 32h ^> 16h */
|
|
&&put32_1234_21, /* 32h -> 16s */
|
|
&&put32_1234_29, /* 32h ^> 16s */
|
|
&&put32_1234_0123, /* 32h -> 24h */
|
|
&&put32_1234_0923, /* 32h ^> 24h */
|
|
&&put32_1234_3210, /* 32h -> 24s */
|
|
&&put32_1234_3290, /* 32h ^> 24s */
|
|
&&put32_1234_1234, /* 32h -> 32h */
|
|
&&put32_1234_9234, /* 32h ^> 32h */
|
|
&&put32_1234_4321, /* 32h -> 32s */
|
|
&&put32_1234_4329, /* 32h ^> 32s */
|
|
/* 3bytes format */
|
|
&&put32_1234_123, /* 32h -> 24h */
|
|
&&put32_1234_923, /* 32h ^> 24h */
|
|
&&put32_1234_321, /* 32h -> 24s */
|
|
&&put32_1234_329, /* 32h ^> 24s */
|
|
&&put32_1234_123_20, /* 32h -> 24h */
|
|
&&put32_1234_923_20, /* 32h ^> 24h */
|
|
&&put32_1234_321_20, /* 32h -> 24s */
|
|
&&put32_1234_329_20, /* 32h ^> 24s */
|
|
&&put32_1234_123_18, /* 32h -> 24h */
|
|
&&put32_1234_923_18, /* 32h ^> 24h */
|
|
&&put32_1234_321_18, /* 32h -> 24s */
|
|
&&put32_1234_329_18, /* 32h ^> 24s */
|
|
};
|
|
#endif
|
|
|
|
#ifdef CONV24_LABELS
|
|
#undef GET32_LABELS
|
|
#undef PUT32_LABELS
|
|
#endif
|
|
|
|
#ifdef PUT32_END
|
|
while (0) {
|
|
put32_1234_1: as_u8(dst) = sample >> 24; goto PUT32_END;
|
|
put32_1234_9: as_u8(dst) = (sample >> 24) ^ 0x80; goto PUT32_END;
|
|
put32_1234_12: as_u16(dst) = sample >> 16; goto PUT32_END;
|
|
put32_1234_92: as_u16(dst) = (sample >> 16) ^ 0x8000; goto PUT32_END;
|
|
put32_1234_21: as_u16(dst) = bswap_16(sample >> 16); goto PUT32_END;
|
|
put32_1234_29: as_u16(dst) = bswap_16(sample >> 16) ^ 0x80; goto PUT32_END;
|
|
put32_1234_0123: as_u32(dst) = sx24(sample >> 8); goto PUT32_END;
|
|
put32_1234_0923: as_u32(dst) = sx24((sample >> 8) ^ 0x800000); goto PUT32_END;
|
|
put32_1234_3210: as_u32(dst) = sx24s(bswap_32(sample) << 8); goto PUT32_END;
|
|
put32_1234_3290: as_u32(dst) = sx24s((bswap_32(sample) ^ 0x80) << 8); goto PUT32_END;
|
|
put32_1234_1234: as_u32(dst) = sample; goto PUT32_END;
|
|
put32_1234_9234: as_u32(dst) = sample ^ 0x80000000; goto PUT32_END;
|
|
put32_1234_4321: as_u32(dst) = bswap_32(sample); goto PUT32_END;
|
|
put32_1234_4329: as_u32(dst) = bswap_32(sample) ^ 0x80; goto PUT32_END;
|
|
put32_1234_123: _put_triple(dst, sample >> 8); goto PUT32_END;
|
|
put32_1234_923: _put_triple(dst, (sample ^ 0x80000000) >> 8); goto PUT32_END;
|
|
put32_1234_321: _put_triple_s(dst, sample >> 8); goto PUT32_END;
|
|
put32_1234_329: _put_triple_s(dst, (sample ^ 0x80000000) >> 8); goto PUT32_END;
|
|
put32_1234_123_20: _put_triple(dst, sample >> 12); goto PUT32_END;
|
|
put32_1234_923_20: _put_triple(dst, (sample ^ 0x80000000) >> 12); goto PUT32_END;
|
|
put32_1234_321_20: _put_triple_s(dst, sample >> 12); goto PUT32_END;
|
|
put32_1234_329_20: _put_triple_s(dst, (sample ^ 0x80000000) >> 12); goto PUT32_END;
|
|
put32_1234_123_18: _put_triple(dst, sample >> 14); goto PUT32_END;
|
|
put32_1234_923_18: _put_triple(dst, (sample ^ 0x80000000) >> 14); goto PUT32_END;
|
|
put32_1234_321_18: _put_triple_s(dst, sample >> 14); goto PUT32_END;
|
|
put32_1234_329_18: _put_triple_s(dst, (sample ^ 0x80000000) >> 14); goto PUT32_END;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONV24_END
|
|
#undef GET32_END
|
|
#undef PUT32_END
|
|
#endif
|
|
|
|
#ifdef GETU_LABELS
|
|
/* width endswap sign_toggle */
|
|
static void *getu_labels[4 * 2 * 2] = {
|
|
&&getu_1_1, /* 8h -> 8h */
|
|
&&getu_1_9, /* 8h ^> 8h */
|
|
&&getu_1_1, /* 8s -> 8h */
|
|
&&getu_1_9, /* 8s ^> 8h */
|
|
&&getu_12_12, /* 16h -> 16h */
|
|
&&getu_12_92, /* 16h ^> 16h */
|
|
&&getu_12_21, /* 16s -> 16h */
|
|
&&getu_12_A1, /* 16s ^> 16h */
|
|
&&getu_0123_0123, /* 24h -> 24h */
|
|
&&getu_0123_0923, /* 24h ^> 24h */
|
|
&&getu_1230_0321, /* 24s -> 24h */
|
|
&&getu_1230_0B21, /* 24s ^> 24h */
|
|
&&getu_1234_1234, /* 32h -> 32h */
|
|
&&getu_1234_9234, /* 32h ^> 32h */
|
|
&&getu_1234_4321, /* 32s -> 32h */
|
|
&&getu_1234_C321, /* 32s ^> 32h */
|
|
};
|
|
#endif
|
|
|
|
#ifdef GETU_END
|
|
while (0) {
|
|
getu_1_1: sample = as_u8c(src); goto GETU_END;
|
|
getu_1_9: sample = as_u8c(src) ^ 0x80; goto GETU_END;
|
|
getu_12_12: sample = as_u16c(src); goto GETU_END;
|
|
getu_12_92: sample = as_u16c(src) ^ 0x8000; goto GETU_END;
|
|
getu_12_21: sample = bswap_16(as_u16c(src)); goto GETU_END;
|
|
getu_12_A1: sample = bswap_16(as_u16c(src) ^ 0x80); goto GETU_END;
|
|
getu_0123_0123: sample = sx24(as_u32c(src)); goto GETU_END;
|
|
getu_0123_0923: sample = sx24(as_u32c(src) ^ 0x800000); goto GETU_END;
|
|
getu_1230_0321: sample = sx24(bswap_32(as_u32c(src))); goto GETU_END;
|
|
getu_1230_0B21: sample = sx24(bswap_32(as_u32c(src) ^ 0x8000)); goto GETU_END;
|
|
getu_1234_1234: sample = as_u32c(src); goto GETU_END;
|
|
getu_1234_9234: sample = as_u32c(src) ^ 0x80000000; goto GETU_END;
|
|
getu_1234_4321: sample = bswap_32(as_u32c(src)); goto GETU_END;
|
|
getu_1234_C321: sample = bswap_32(as_u32c(src) ^ 0x80); goto GETU_END;
|
|
}
|
|
#endif
|
|
|
|
#ifdef GETS_LABELS
|
|
/* width endswap sign_toggle */
|
|
static void *gets_labels[4 * 2 * 2] = {
|
|
&&gets_1_1, /* 8h -> 8h */
|
|
&&gets_1_9, /* 8h ^> 8h */
|
|
&&gets_1_1, /* 8s -> 8h */
|
|
&&gets_1_9, /* 8s ^> 8h */
|
|
&&gets_12_12, /* 16h -> 16h */
|
|
&&gets_12_92, /* 16h ^> 16h */
|
|
&&gets_12_21, /* 16s -> 16h */
|
|
&&gets_12_A1, /* 16s ^> 16h */
|
|
&&gets_0123_0123, /* 24h -> 24h */
|
|
&&gets_0123_0923, /* 24h ^> 24h */
|
|
&&gets_1230_0321, /* 24s -> 24h */
|
|
&&gets_1230_0B21, /* 24s ^> 24h */
|
|
&&gets_1234_1234, /* 32h -> 32h */
|
|
&&gets_1234_9234, /* 32h ^> 32h */
|
|
&&gets_1234_4321, /* 32s -> 32h */
|
|
&&gets_1234_C321, /* 32s ^> 32h */
|
|
};
|
|
#endif
|
|
|
|
#ifdef GETS_END
|
|
while (0) {
|
|
gets_1_1: sample = as_s8c(src); goto GETS_END;
|
|
gets_1_9: sample = (int8_t)(as_s8c(src) ^ 0x80); goto GETS_END;
|
|
gets_12_12: sample = as_s16c(src); goto GETS_END;
|
|
gets_12_92: sample = (int16_t)(as_s16c(src) ^ 0x8000); goto GETS_END;
|
|
gets_12_21: sample = (int16_t)bswap_16(as_s16c(src)); goto GETS_END;
|
|
gets_12_A1: sample = (int16_t)bswap_16(as_s16c(src) ^ 0x80); goto GETS_END;
|
|
gets_0123_0123: sample = sx24((int32_t)(as_s32c(src) << 8) >> 8); goto GETS_END;
|
|
gets_0123_0923: sample = sx24((int32_t)((as_s32c(src) ^ 0x800000) << 8) >> 8); goto GETS_END;
|
|
gets_1230_0321: sample = sx24((int32_t)(bswap_32(as_s32c(src)) << 8) >> 8); goto GETS_END;
|
|
gets_1230_0B21: sample = sx24((int32_t)(bswap_32(as_s32c(src) ^ 0x8000) << 8) >> 8); goto GETS_END;
|
|
gets_1234_1234: sample = as_s32c(src); goto GETS_END;
|
|
gets_1234_9234: sample = (int32_t)(as_s32c(src) ^ 0x80000000); goto GETS_END;
|
|
gets_1234_4321: sample = (int32_t)bswap_32(as_s32c(src)); goto GETS_END;
|
|
gets_1234_C321: sample = (int32_t)bswap_32(as_s32c(src) ^ 0x80); goto GETS_END;
|
|
}
|
|
#endif
|
|
|
|
#ifdef PUT_LABELS
|
|
/* width endswap sign_toggle */
|
|
static void *put_labels[4 * 2 * 2] = {
|
|
&&put_1_1, /* 8h -> 8h */
|
|
&&put_1_9, /* 8h ^> 8h */
|
|
&&put_1_1, /* 8h -> 8s */
|
|
&&put_1_9, /* 8h ^> 8s */
|
|
&&put_12_12, /* 16h -> 16h */
|
|
&&put_12_92, /* 16h ^> 16h */
|
|
&&put_12_21, /* 16h -> 16s */
|
|
&&put_12_29, /* 16h ^> 16s */
|
|
&&put_0123_0123, /* 24h -> 24h */
|
|
&&put_0123_0923, /* 24h ^> 24h */
|
|
&&put_0123_3210, /* 24h -> 24s */
|
|
&&put_0123_3290, /* 24h ^> 24s */
|
|
&&put_1234_1234, /* 32h -> 32h */
|
|
&&put_1234_9234, /* 32h ^> 32h */
|
|
&&put_1234_4321, /* 32h -> 32s */
|
|
&&put_1234_4329, /* 32h ^> 32s */
|
|
};
|
|
#endif
|
|
|
|
#ifdef PUT_END
|
|
put_1_1: as_s8(dst) = sample; goto PUT_END;
|
|
put_1_9: as_u8(dst) = sample ^ 0x80; goto PUT_END;
|
|
put_12_12: as_s16(dst) = sample; goto PUT_END;
|
|
put_12_92: as_u16(dst) = sample ^ 0x8000; goto PUT_END;
|
|
put_12_21: as_s16(dst) = bswap_16(sample); goto PUT_END;
|
|
put_12_29: as_u16(dst) = bswap_16(sample) ^ 0x80; goto PUT_END;
|
|
/* this always writes the unused byte in 24-bit formats as 0x00 */
|
|
put_0123_0123: as_s32(dst) = sx24(sample & 0x00ffffff); goto PUT_END;
|
|
put_0123_0923: as_u32(dst) = sx24((sample & 0x00ffffff) ^ 0x800000); goto PUT_END;
|
|
put_0123_3210: as_s32(dst) = sx24s(bswap_32(sample) & 0xffffff00); goto PUT_END;
|
|
put_0123_3290: as_u32(dst) = sx24s((bswap_32(sample) & 0xffffff00) ^ 0x8000); goto PUT_END;
|
|
put_1234_1234: as_s32(dst) = sample; goto PUT_END;
|
|
put_1234_9234: as_u32(dst) = sample ^ 0x80000000; goto PUT_END;
|
|
put_1234_4321: as_s32(dst) = bswap_32(sample); goto PUT_END;
|
|
put_1234_4329: as_u32(dst) = bswap_32(sample) ^ 0x80; goto PUT_END;
|
|
#endif
|
|
|
|
#ifdef PUT32F_LABELS
|
|
/* type (0 = float, 1 = float64), endswap */
|
|
static void *put32float_labels[2 * 2] = {
|
|
&&put32f_1234_1234F, /* 32h -> (float)h */
|
|
&&put32f_1234_4321F, /* 32h -> (float)s */
|
|
&&put32f_1234_1234D, /* 32h -> (float64)h */
|
|
&&put32f_1234_4321D, /* 32h -> (float64)s */
|
|
};
|
|
#endif
|
|
|
|
#ifdef PUT32F_END
|
|
put32f_1234_1234F: as_float(dst) = (float_t)((int32_t)sample) / (float_t)0x80000000UL; goto PUT32F_END;
|
|
put32f_1234_4321F: tmp_float.f = (float_t)((int32_t)sample) / (float_t)0x80000000UL;
|
|
as_u32(dst) = bswap_32(tmp_float.i); goto PUT32F_END;
|
|
put32f_1234_1234D: as_double(dst) = (double_t)((int32_t)sample) / (double_t)0x80000000UL; goto PUT32F_END;
|
|
put32f_1234_4321D: tmp_double.d = (double_t)((int32_t)sample) / (double_t)0x80000000UL;
|
|
as_u64(dst) = bswap_64(tmp_double.l); goto PUT32F_END;
|
|
#endif
|
|
|
|
#ifdef GET32F_LABELS
|
|
/* type (0 = float, 1 = float64), endswap */
|
|
static void *get32float_labels[2 * 2] = {
|
|
&&get32f_1234F_1234, /* (float)h -> 32h */
|
|
&&get32f_4321F_1234, /* (float)s -> 32h */
|
|
&&get32f_1234D_1234, /* (float64)h -> 32h */
|
|
&&get32f_4321D_1234, /* (float64)s -> 32h */
|
|
};
|
|
#endif
|
|
|
|
#ifdef GET32F_END
|
|
get32f_1234F_1234: tmp_float.f = as_floatc(src);
|
|
if (tmp_float.f >= 1.0)
|
|
sample = 0x7fffffff;
|
|
else if (tmp_float.f <= -1.0)
|
|
sample = 0x80000000;
|
|
else
|
|
sample = (int32_t)(tmp_float.f * (float_t)0x80000000UL);
|
|
goto GET32F_END;
|
|
get32f_4321F_1234: tmp_float.i = bswap_32(as_u32c(src));
|
|
if (tmp_float.f >= 1.0)
|
|
sample = 0x7fffffff;
|
|
else if (tmp_float.f <= -1.0)
|
|
sample = 0x80000000;
|
|
else
|
|
sample = (int32_t)(tmp_float.f * (float_t)0x80000000UL);
|
|
goto GET32F_END;
|
|
get32f_1234D_1234: tmp_double.d = as_doublec(src);
|
|
if (tmp_double.d >= 1.0)
|
|
sample = 0x7fffffff;
|
|
else if (tmp_double.d <= -1.0)
|
|
sample = 0x80000000;
|
|
else
|
|
sample = (int32_t)(tmp_double.d * (double_t)0x80000000UL);
|
|
goto GET32F_END;
|
|
get32f_4321D_1234: tmp_double.l = bswap_64(as_u64c(src));
|
|
if (tmp_double.d >= 1.0)
|
|
sample = 0x7fffffff;
|
|
else if (tmp_double.d <= -1.0)
|
|
sample = 0x80000000;
|
|
else
|
|
sample = (int32_t)(tmp_double.d * (double_t)0x80000000UL);
|
|
goto GET32F_END;
|
|
#endif
|
|
|
|
#ifdef NORMS_LABELS
|
|
static inline void _norms(const void *src, void *dst,
|
|
int src_wid,
|
|
int dst_sign, int dst_wid, int dst_end)
|
|
{
|
|
int32_t s;
|
|
switch (src_wid) {
|
|
case 8:
|
|
s = *(int32_t*)src;
|
|
if (s >= 0x7f)
|
|
goto _max;
|
|
else if (s <= -0x80)
|
|
goto _min;
|
|
break;
|
|
case 16:
|
|
s = *(int32_t*)src;
|
|
if (s >= 0x7fff)
|
|
goto _max;
|
|
else if (s <= -0x8000)
|
|
goto _min;
|
|
break;
|
|
case 24:
|
|
s = *(int32_t*)src;
|
|
if (s >= 0x7fffff)
|
|
goto _max;
|
|
else if (s <= -0x800000)
|
|
goto _min;
|
|
break;
|
|
case 32:
|
|
{
|
|
int64_t s64;
|
|
s64 = *(int64_t*)src;
|
|
if (s64 >= 0x7fffffff)
|
|
goto _max;
|
|
else if (s64 <= -0x80000000)
|
|
goto _min;
|
|
s = s64;
|
|
break;
|
|
}
|
|
default:
|
|
assert(0);
|
|
return;
|
|
}
|
|
if (src_wid < dst_wid) {
|
|
unsigned int bits = dst_wid - src_wid;
|
|
s *= 1 << bits;
|
|
} else if (src_wid > dst_wid) {
|
|
unsigned int bits = src_wid - dst_wid;
|
|
s = (s + (1 << (bits - 1))) / (1 << bits);
|
|
}
|
|
if (!dst_sign)
|
|
s += (1U << (dst_wid - 1));
|
|
switch (dst_wid) {
|
|
case 8:
|
|
*(u_int8_t*)dst = s;
|
|
break;
|
|
case 16:
|
|
if (dst_end)
|
|
s = bswap_16(s);
|
|
*(u_int16_t*)dst = s;
|
|
break;
|
|
case 24:
|
|
case 32:
|
|
if (dst_end)
|
|
s = bswap_32(s);
|
|
*(u_int32_t*)dst = s;
|
|
break;
|
|
}
|
|
return;
|
|
|
|
_min:
|
|
switch (dst_wid) {
|
|
case 8:
|
|
if (dst_sign)
|
|
*(u_int8_t*)dst = 0x80;
|
|
else
|
|
*(u_int8_t*)dst = 0;
|
|
break;
|
|
case 16:
|
|
if (dst_sign)
|
|
*(u_int16_t*)dst = dst_end ? 0x0080 : 0x8000;
|
|
else
|
|
*(u_int16_t*)dst = 0;
|
|
break;
|
|
case 24:
|
|
if (dst_sign)
|
|
*(u_int32_t*)dst = dst_end ? 0x00008000 : 0x00800000;
|
|
else
|
|
*(u_int32_t*)dst = 0;
|
|
break;
|
|
case 32:
|
|
if (dst_sign)
|
|
*(u_int32_t*)dst = dst_end ? 0x00000080 : 0x80000000;
|
|
else
|
|
*(u_int32_t*)dst = 0;
|
|
break;
|
|
default:
|
|
assert(0);
|
|
break;
|
|
}
|
|
return;
|
|
|
|
_max:
|
|
switch (dst_wid) {
|
|
case 8:
|
|
if (dst_sign)
|
|
*(u_int8_t*)dst = 0x7f;
|
|
else
|
|
*(u_int8_t*)dst = 0xff;
|
|
break;
|
|
case 16:
|
|
if (dst_sign)
|
|
*(u_int16_t*)dst = dst_end ? 0xff7f : 0x7fff;
|
|
else
|
|
*(u_int16_t*)dst = 0;
|
|
break;
|
|
case 24:
|
|
if (dst_sign)
|
|
*(u_int32_t*)dst = dst_end ? 0xffff7f00 : 0x007fffff;
|
|
else
|
|
*(u_int32_t*)dst = 0;
|
|
break;
|
|
case 32:
|
|
if (dst_sign)
|
|
*(u_int32_t*)dst = dst_end ? 0xffffff7f : 0x7fffffff;
|
|
else
|
|
*(u_int32_t*)dst = 0;
|
|
break;
|
|
default:
|
|
assert(0);
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
/* src_wid dst_sign dst_wid dst_end */
|
|
static void *norms_labels[4 * 2 * 4 * 2] = {
|
|
&&norms_8_u8, /* s8 -> u8 */
|
|
&&norms_8_u8, /* s8 -> u8 */
|
|
&&norms_8_u16h, /* s8 -> u16h */
|
|
&&norms_8_u16s, /* s8 -> u16s */
|
|
&&norms_8_u24h, /* s8 -> u24h */
|
|
&&norms_8_u24s, /* s8 -> u24s */
|
|
&&norms_8_u32h, /* s8 -> u32h */
|
|
&&norms_8_u32s, /* s8 -> u32s */
|
|
&&norms_8_s8, /* s8 -> s8 */
|
|
&&norms_8_s8, /* s8 -> s8 */
|
|
&&norms_8_s16h, /* s8 -> s16h */
|
|
&&norms_8_s16s, /* s8 -> s16s */
|
|
&&norms_8_s24h, /* s8 -> s24h */
|
|
&&norms_8_s24s, /* s8 -> s24s */
|
|
&&norms_8_s32h, /* s8 -> s32h */
|
|
&&norms_8_s32s, /* s8 -> s32s */
|
|
&&norms_16_u8, /* s16 -> u8 */
|
|
&&norms_16_u8, /* s16 -> u8 */
|
|
&&norms_16_u16h, /* s16 -> u16h */
|
|
&&norms_16_u16s, /* s16 -> u16s */
|
|
&&norms_16_u24h, /* s16 -> u24h */
|
|
&&norms_16_u24s, /* s16 -> u24s */
|
|
&&norms_16_u32h, /* s16 -> u32h */
|
|
&&norms_16_u32s, /* s16 -> u32s */
|
|
&&norms_16_s8, /* s16 -> s8 h*/
|
|
&&norms_16_s8, /* s16 -> s8 */
|
|
&&norms_16_s16h, /* s16 -> s16h */
|
|
&&norms_16_s16s, /* s16 -> s16s */
|
|
&&norms_16_s24h, /* s16 -> s24h */
|
|
&&norms_16_s24s, /* s16 -> s24s */
|
|
&&norms_16_s32h, /* s16 -> s32h */
|
|
&&norms_16_s32s, /* s16 -> s32s */
|
|
&&norms_24_u8, /* s24 -> u8 */
|
|
&&norms_24_u8, /* s24 -> u8 */
|
|
&&norms_24_u16h, /* s24 -> u16h */
|
|
&&norms_24_u16s, /* s24 -> u16s */
|
|
&&norms_24_u24h, /* s24 -> u24h */
|
|
&&norms_24_u24s, /* s24 -> u24s */
|
|
&&norms_24_u32h, /* s24 -> u32h */
|
|
&&norms_24_u32s, /* s24 -> u32s */
|
|
&&norms_24_s8, /* s24 -> s8 */
|
|
&&norms_24_s8, /* s24 -> s8 */
|
|
&&norms_24_s16h, /* s24 -> s16h */
|
|
&&norms_24_s16s, /* s24 -> s16s */
|
|
&&norms_24_s24h, /* s24 -> s24h */
|
|
&&norms_24_s24s, /* s24 -> s24s */
|
|
&&norms_24_s32h, /* s24 -> s32h */
|
|
&&norms_24_s32s, /* s24 -> s32s */
|
|
&&norms_32_u8, /* s32 -> u8 */
|
|
&&norms_32_u8, /* s32 -> u8 */
|
|
&&norms_32_u16h, /* s32 -> u16h */
|
|
&&norms_32_u16s, /* s32 -> u16s */
|
|
&&norms_32_u24h, /* s32 -> u24h */
|
|
&&norms_32_u24s, /* s32 -> u24s */
|
|
&&norms_32_u32h, /* s32 -> u32h */
|
|
&&norms_32_u32s, /* s32 -> u32s */
|
|
&&norms_32_s8, /* s32 -> s8 */
|
|
&&norms_32_s8, /* s32 -> s8 */
|
|
&&norms_32_s16h, /* s32 -> s16h */
|
|
&&norms_32_s16s, /* s32 -> s16s */
|
|
&&norms_32_s24h, /* s32 -> s24h */
|
|
&&norms_32_s24s, /* s32 -> s24s */
|
|
&&norms_32_s32h, /* s32 -> s32h */
|
|
&&norms_32_s32s, /* s32 -> s32s */
|
|
};
|
|
#endif
|
|
|
|
#ifdef NORMS_END
|
|
norms_8_u8: _norms(src, dst, 8, 0, 8, 0); goto NORMS_END;
|
|
norms_8_u16h: _norms(src, dst, 8, 0, 16, 0); goto NORMS_END;
|
|
norms_8_u16s: _norms(src, dst, 8, 0, 16, 1); goto NORMS_END;
|
|
norms_8_u24h: _norms(src, dst, 8, 0, 24, 0); goto NORMS_END;
|
|
norms_8_u24s: _norms(src, dst, 8, 0, 24, 1); goto NORMS_END;
|
|
norms_8_u32h: _norms(src, dst, 8, 0, 32, 0); goto NORMS_END;
|
|
norms_8_u32s: _norms(src, dst, 8, 0, 32, 1); goto NORMS_END;
|
|
norms_8_s8: _norms(src, dst, 8, 1, 8, 0); goto NORMS_END;
|
|
norms_8_s16h: _norms(src, dst, 8, 1, 16, 0); goto NORMS_END;
|
|
norms_8_s16s: _norms(src, dst, 8, 1, 16, 1); goto NORMS_END;
|
|
norms_8_s24h: _norms(src, dst, 8, 1, 24, 0); goto NORMS_END;
|
|
norms_8_s24s: _norms(src, dst, 8, 1, 24, 1); goto NORMS_END;
|
|
norms_8_s32h: _norms(src, dst, 8, 1, 32, 0); goto NORMS_END;
|
|
norms_8_s32s: _norms(src, dst, 8, 1, 32, 1); goto NORMS_END;
|
|
norms_16_u8: _norms(src, dst, 16, 0, 8, 0); goto NORMS_END;
|
|
norms_16_u16h: _norms(src, dst, 16, 0, 16, 0); goto NORMS_END;
|
|
norms_16_u16s: _norms(src, dst, 16, 0, 16, 1); goto NORMS_END;
|
|
norms_16_u24h: _norms(src, dst, 16, 0, 24, 0); goto NORMS_END;
|
|
norms_16_u24s: _norms(src, dst, 16, 0, 24, 1); goto NORMS_END;
|
|
norms_16_u32h: _norms(src, dst, 16, 0, 32, 0); goto NORMS_END;
|
|
norms_16_u32s: _norms(src, dst, 16, 0, 32, 1); goto NORMS_END;
|
|
norms_16_s8: _norms(src, dst, 16, 1, 8, 0); goto NORMS_END;
|
|
norms_16_s16h: _norms(src, dst, 16, 1, 16, 0); goto NORMS_END;
|
|
norms_16_s16s: _norms(src, dst, 16, 1, 16, 1); goto NORMS_END;
|
|
norms_16_s24h: _norms(src, dst, 16, 1, 24, 0); goto NORMS_END;
|
|
norms_16_s24s: _norms(src, dst, 16, 1, 24, 1); goto NORMS_END;
|
|
norms_16_s32h: _norms(src, dst, 16, 1, 32, 0); goto NORMS_END;
|
|
norms_16_s32s: _norms(src, dst, 16, 1, 32, 1); goto NORMS_END;
|
|
norms_24_u8: _norms(src, dst, 24, 0, 8, 0); goto NORMS_END;
|
|
norms_24_u16h: _norms(src, dst, 24, 0, 16, 0); goto NORMS_END;
|
|
norms_24_u16s: _norms(src, dst, 24, 0, 16, 1); goto NORMS_END;
|
|
norms_24_u24h: _norms(src, dst, 24, 0, 24, 0); goto NORMS_END;
|
|
norms_24_u24s: _norms(src, dst, 24, 0, 24, 1); goto NORMS_END;
|
|
norms_24_u32h: _norms(src, dst, 24, 0, 32, 0); goto NORMS_END;
|
|
norms_24_u32s: _norms(src, dst, 24, 0, 32, 1); goto NORMS_END;
|
|
norms_24_s8: _norms(src, dst, 24, 1, 8, 0); goto NORMS_END;
|
|
norms_24_s16h: _norms(src, dst, 24, 1, 16, 0); goto NORMS_END;
|
|
norms_24_s16s: _norms(src, dst, 24, 1, 16, 1); goto NORMS_END;
|
|
norms_24_s24h: _norms(src, dst, 24, 1, 24, 0); goto NORMS_END;
|
|
norms_24_s24s: _norms(src, dst, 24, 1, 24, 1); goto NORMS_END;
|
|
norms_24_s32h: _norms(src, dst, 24, 1, 32, 0); goto NORMS_END;
|
|
norms_24_s32s: _norms(src, dst, 24, 1, 32, 1); goto NORMS_END;
|
|
norms_32_u8: _norms(src, dst, 32, 0, 8, 0); goto NORMS_END;
|
|
norms_32_u16h: _norms(src, dst, 32, 0, 16, 0); goto NORMS_END;
|
|
norms_32_u16s: _norms(src, dst, 32, 0, 16, 1); goto NORMS_END;
|
|
norms_32_u24h: _norms(src, dst, 32, 0, 24, 0); goto NORMS_END;
|
|
norms_32_u24s: _norms(src, dst, 32, 0, 24, 1); goto NORMS_END;
|
|
norms_32_u32h: _norms(src, dst, 32, 0, 32, 0); goto NORMS_END;
|
|
norms_32_u32s: _norms(src, dst, 32, 0, 32, 1); goto NORMS_END;
|
|
norms_32_s8: _norms(src, dst, 32, 1, 8, 0); goto NORMS_END;
|
|
norms_32_s16h: _norms(src, dst, 32, 1, 16, 0); goto NORMS_END;
|
|
norms_32_s16s: _norms(src, dst, 32, 1, 16, 1); goto NORMS_END;
|
|
norms_32_s24h: _norms(src, dst, 32, 1, 24, 0); goto NORMS_END;
|
|
norms_32_s24s: _norms(src, dst, 32, 1, 24, 1); goto NORMS_END;
|
|
norms_32_s32h: _norms(src, dst, 32, 1, 32, 0); goto NORMS_END;
|
|
norms_32_s32s: _norms(src, dst, 32, 1, 32, 1); goto NORMS_END;
|
|
#endif
|
|
|
|
|
|
#undef as_u8
|
|
#undef as_u16
|
|
#undef as_u32
|
|
#undef as_s8
|
|
#undef as_s16
|
|
#undef as_s32
|
|
#undef as_float
|
|
#undef as_double
|
|
|
|
#undef as_u8c
|
|
#undef as_u16c
|
|
#undef as_u32c
|
|
#undef as_s8c
|
|
#undef as_s16c
|
|
#undef as_s32c
|
|
#undef as_floatc
|
|
#undef as_doublec
|
|
|
|
#undef _get_triple
|
|
#undef _get_triple_s
|
|
#undef _get_triple_le
|
|
#undef _get_triple_be
|
|
#undef _put_triple
|
|
#undef _put_triple_s
|
|
#undef _put_triple_le
|
|
#undef _put_triple_be
|
|
|