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-rw-r--r--simd/arm/arm64/jsimd_neon.S375
1 files changed, 0 insertions, 375 deletions
diff --git a/simd/arm/arm64/jsimd_neon.S b/simd/arm/arm64/jsimd_neon.S
index d94cfddf..898cf2c6 100644
--- a/simd/arm/arm64/jsimd_neon.S
+++ b/simd/arm/arm64/jsimd_neon.S
@@ -39,53 +39,6 @@
.section .rodata, "a", %progbits
#endif
-/* Constants for jsimd_fdct_islow_neon() */
-
-#define F_0_298 2446 /* FIX(0.298631336) */
-#define F_0_390 3196 /* FIX(0.390180644) */
-#define F_0_541 4433 /* FIX(0.541196100) */
-#define F_0_765 6270 /* FIX(0.765366865) */
-#define F_0_899 7373 /* FIX(0.899976223) */
-#define F_1_175 9633 /* FIX(1.175875602) */
-#define F_1_501 12299 /* FIX(1.501321110) */
-#define F_1_847 15137 /* FIX(1.847759065) */
-#define F_1_961 16069 /* FIX(1.961570560) */
-#define F_2_053 16819 /* FIX(2.053119869) */
-#define F_2_562 20995 /* FIX(2.562915447) */
-#define F_3_072 25172 /* FIX(3.072711026) */
-
-.balign 16
-Ljsimd_fdct_islow_neon_consts:
- .short F_0_298
- .short -F_0_390
- .short F_0_541
- .short F_0_765
- .short - F_0_899
- .short F_1_175
- .short F_1_501
- .short - F_1_847
- .short - F_1_961
- .short F_2_053
- .short - F_2_562
- .short F_3_072
- .short 0 /* padding */
- .short 0
- .short 0
- .short 0
-
-#undef F_0_298
-#undef F_0_390
-#undef F_0_541
-#undef F_0_765
-#undef F_0_899
-#undef F_1_175
-#undef F_1_501
-#undef F_1_847
-#undef F_1_961
-#undef F_2_053
-#undef F_2_562
-#undef F_3_072
-
/* Constants for jsimd_huff_encode_one_block_neon() */
.balign 16
@@ -152,340 +105,12 @@ _\fname:
#endif
.endm
-.macro transpose_8x8 l0, l1, l2, l3, l4, l5, l6, l7, t0, t1, t2, t3
- trn1 \t0\().8h, \l0\().8h, \l1\().8h
- trn1 \t1\().8h, \l2\().8h, \l3\().8h
- trn1 \t2\().8h, \l4\().8h, \l5\().8h
- trn1 \t3\().8h, \l6\().8h, \l7\().8h
- trn2 \l1\().8h, \l0\().8h, \l1\().8h
- trn2 \l3\().8h, \l2\().8h, \l3\().8h
- trn2 \l5\().8h, \l4\().8h, \l5\().8h
- trn2 \l7\().8h, \l6\().8h, \l7\().8h
-
- trn1 \l4\().4s, \t2\().4s, \t3\().4s
- trn2 \t3\().4s, \t2\().4s, \t3\().4s
- trn1 \t2\().4s, \t0\().4s, \t1\().4s
- trn2 \l2\().4s, \t0\().4s, \t1\().4s
- trn1 \t0\().4s, \l1\().4s, \l3\().4s
- trn2 \l3\().4s, \l1\().4s, \l3\().4s
- trn2 \t1\().4s, \l5\().4s, \l7\().4s
- trn1 \l5\().4s, \l5\().4s, \l7\().4s
-
- trn2 \l6\().2d, \l2\().2d, \t3\().2d
- trn1 \l0\().2d, \t2\().2d, \l4\().2d
- trn1 \l1\().2d, \t0\().2d, \l5\().2d
- trn2 \l7\().2d, \l3\().2d, \t1\().2d
- trn1 \l2\().2d, \l2\().2d, \t3\().2d
- trn2 \l4\().2d, \t2\().2d, \l4\().2d
- trn1 \l3\().2d, \l3\().2d, \t1\().2d
- trn2 \l5\().2d, \t0\().2d, \l5\().2d
-.endm
-
#define CENTERJSAMPLE 128
/*****************************************************************************/
/*
- * jsimd_fdct_islow_neon
- *
- * This file contains a slow-but-accurate integer implementation of the
- * forward DCT (Discrete Cosine Transform). The following code is based
- * directly on the IJG''s original jfdctint.c; see the jfdctint.c for
- * more details.
- *
- * TODO: can be combined with 'jsimd_convsamp_neon' to get
- * rid of a bunch of VLD1.16 instructions
- */
-
-#define CONST_BITS 13
-#define PASS1_BITS 2
-
-#define DESCALE_P1 (CONST_BITS - PASS1_BITS)
-#define DESCALE_P2 (CONST_BITS + PASS1_BITS)
-
-#define XFIX_P_0_298 v0.h[0]
-#define XFIX_N_0_390 v0.h[1]
-#define XFIX_P_0_541 v0.h[2]
-#define XFIX_P_0_765 v0.h[3]
-#define XFIX_N_0_899 v0.h[4]
-#define XFIX_P_1_175 v0.h[5]
-#define XFIX_P_1_501 v0.h[6]
-#define XFIX_N_1_847 v0.h[7]
-#define XFIX_N_1_961 v1.h[0]
-#define XFIX_P_2_053 v1.h[1]
-#define XFIX_N_2_562 v1.h[2]
-#define XFIX_P_3_072 v1.h[3]
-
-.balign 16
-asm_function jsimd_fdct_islow_neon
-
- DATA .req x0
- TMP .req x9
-
- /* Load constants */
- get_symbol_loc TMP, Ljsimd_fdct_islow_neon_consts
- ld1 {v0.8h, v1.8h}, [TMP]
-
- /* Save NEON registers */
- sub sp, sp, #64
- mov x10, sp
- st1 {v8.8b, v9.8b, v10.8b, v11.8b}, [x10], 32
- st1 {v12.8b, v13.8b, v14.8b, v15.8b}, [x10], 32
-
- /* Load all DATA into NEON registers with the following allocation:
- * 0 1 2 3 | 4 5 6 7
- * ---------+--------
- * 0 | d16 | d17 | v16.8h
- * 1 | d18 | d19 | v17.8h
- * 2 | d20 | d21 | v18.8h
- * 3 | d22 | d23 | v19.8h
- * 4 | d24 | d25 | v20.8h
- * 5 | d26 | d27 | v21.8h
- * 6 | d28 | d29 | v22.8h
- * 7 | d30 | d31 | v23.8h
- */
-
- ld1 {v16.8h, v17.8h, v18.8h, v19.8h}, [DATA], 64
- ld1 {v20.8h, v21.8h, v22.8h, v23.8h}, [DATA]
- sub DATA, DATA, #64
-
- /* Transpose */
- transpose_8x8 v16, v17, v18, v19, v20, v21, v22, v23, v31, v2, v3, v4
- /* 1-D FDCT */
- add v24.8h, v16.8h, v23.8h /* tmp0 = dataptr[0] + dataptr[7]; */
- sub v31.8h, v16.8h, v23.8h /* tmp7 = dataptr[0] - dataptr[7]; */
- add v25.8h, v17.8h, v22.8h /* tmp1 = dataptr[1] + dataptr[6]; */
- sub v30.8h, v17.8h, v22.8h /* tmp6 = dataptr[1] - dataptr[6]; */
- add v26.8h, v18.8h, v21.8h /* tmp2 = dataptr[2] + dataptr[5]; */
- sub v29.8h, v18.8h, v21.8h /* tmp5 = dataptr[2] - dataptr[5]; */
- add v27.8h, v19.8h, v20.8h /* tmp3 = dataptr[3] + dataptr[4]; */
- sub v28.8h, v19.8h, v20.8h /* tmp4 = dataptr[3] - dataptr[4]; */
-
- /* even part */
-
- add v8.8h, v24.8h, v27.8h /* tmp10 = tmp0 + tmp3; */
- sub v9.8h, v24.8h, v27.8h /* tmp13 = tmp0 - tmp3; */
- add v10.8h, v25.8h, v26.8h /* tmp11 = tmp1 + tmp2; */
- sub v11.8h, v25.8h, v26.8h /* tmp12 = tmp1 - tmp2; */
-
- add v16.8h, v8.8h, v10.8h /* tmp10 + tmp11 */
- sub v20.8h, v8.8h, v10.8h /* tmp10 - tmp11 */
-
- add v18.8h, v11.8h, v9.8h /* tmp12 + tmp13 */
-
- shl v16.8h, v16.8h, #PASS1_BITS /* dataptr[0] = (DCTELEM)LEFT_SHIFT(tmp10 + tmp11, PASS1_BITS); */
- shl v20.8h, v20.8h, #PASS1_BITS /* dataptr[4] = (DCTELEM)LEFT_SHIFT(tmp10 - tmp11, PASS1_BITS); */
-
- smull2 v24.4s, v18.8h, XFIX_P_0_541 /* z1 hi = MULTIPLY(tmp12 + tmp13, XFIX_P_0_541); */
- smull v18.4s, v18.4h, XFIX_P_0_541 /* z1 lo = MULTIPLY(tmp12 + tmp13, XFIX_P_0_541); */
- mov v22.16b, v18.16b
- mov v25.16b, v24.16b
-
- smlal v18.4s, v9.4h, XFIX_P_0_765 /* lo z1 + MULTIPLY(tmp13, XFIX_P_0_765) */
- smlal2 v24.4s, v9.8h, XFIX_P_0_765 /* hi z1 + MULTIPLY(tmp13, XFIX_P_0_765) */
- smlal v22.4s, v11.4h, XFIX_N_1_847 /* lo z1 + MULTIPLY(tmp12, XFIX_N_1_847) */
- smlal2 v25.4s, v11.8h, XFIX_N_1_847 /* hi z1 + MULTIPLY(tmp12, XFIX_N_1_847) */
-
- rshrn v18.4h, v18.4s, #DESCALE_P1
- rshrn v22.4h, v22.4s, #DESCALE_P1
- rshrn2 v18.8h, v24.4s, #DESCALE_P1 /* dataptr[2] = (DCTELEM)DESCALE(z1 + MULTIPLY(tmp13, XFIX_P_0_765), CONST_BITS-PASS1_BITS); */
- rshrn2 v22.8h, v25.4s, #DESCALE_P1 /* dataptr[6] = (DCTELEM)DESCALE(z1 + MULTIPLY(tmp12, XFIX_N_1_847), CONST_BITS-PASS1_BITS); */
-
- /* Odd part */
-
- add v8.8h, v28.8h, v31.8h /* z1 = tmp4 + tmp7; */
- add v9.8h, v29.8h, v30.8h /* z2 = tmp5 + tmp6; */
- add v10.8h, v28.8h, v30.8h /* z3 = tmp4 + tmp6; */
- add v11.8h, v29.8h, v31.8h /* z4 = tmp5 + tmp7; */
- smull v4.4s, v10.4h, XFIX_P_1_175 /* z5 lo = z3 lo * XFIX_P_1_175 */
- smull2 v5.4s, v10.8h, XFIX_P_1_175
- smlal v4.4s, v11.4h, XFIX_P_1_175 /* z5 = MULTIPLY(z3 + z4, FIX_1_175875602); */
- smlal2 v5.4s, v11.8h, XFIX_P_1_175
-
- smull2 v24.4s, v28.8h, XFIX_P_0_298
- smull2 v25.4s, v29.8h, XFIX_P_2_053
- smull2 v26.4s, v30.8h, XFIX_P_3_072
- smull2 v27.4s, v31.8h, XFIX_P_1_501
- smull v28.4s, v28.4h, XFIX_P_0_298 /* tmp4 = MULTIPLY(tmp4, FIX_0_298631336); */
- smull v29.4s, v29.4h, XFIX_P_2_053 /* tmp5 = MULTIPLY(tmp5, FIX_2_053119869); */
- smull v30.4s, v30.4h, XFIX_P_3_072 /* tmp6 = MULTIPLY(tmp6, FIX_3_072711026); */
- smull v31.4s, v31.4h, XFIX_P_1_501 /* tmp7 = MULTIPLY(tmp7, FIX_1_501321110); */
-
- smull2 v12.4s, v8.8h, XFIX_N_0_899
- smull2 v13.4s, v9.8h, XFIX_N_2_562
- smull2 v14.4s, v10.8h, XFIX_N_1_961
- smull2 v15.4s, v11.8h, XFIX_N_0_390
- smull v8.4s, v8.4h, XFIX_N_0_899 /* z1 = MULTIPLY(z1, -FIX_0_899976223); */
- smull v9.4s, v9.4h, XFIX_N_2_562 /* z2 = MULTIPLY(z2, -FIX_2_562915447); */
- smull v10.4s, v10.4h, XFIX_N_1_961 /* z3 = MULTIPLY(z3, -FIX_1_961570560); */
- smull v11.4s, v11.4h, XFIX_N_0_390 /* z4 = MULTIPLY(z4, -FIX_0_390180644); */
-
- add v10.4s, v10.4s, v4.4s /* z3 += z5 */
- add v14.4s, v14.4s, v5.4s
- add v11.4s, v11.4s, v4.4s /* z4 += z5 */
- add v15.4s, v15.4s, v5.4s
-
- add v28.4s, v28.4s, v8.4s /* tmp4 += z1 */
- add v24.4s, v24.4s, v12.4s
- add v29.4s, v29.4s, v9.4s /* tmp5 += z2 */
- add v25.4s, v25.4s, v13.4s
- add v30.4s, v30.4s, v10.4s /* tmp6 += z3 */
- add v26.4s, v26.4s, v14.4s
- add v31.4s, v31.4s, v11.4s /* tmp7 += z4 */
- add v27.4s, v27.4s, v15.4s
-
- add v28.4s, v28.4s, v10.4s /* tmp4 += z3 */
- add v24.4s, v24.4s, v14.4s
- add v29.4s, v29.4s, v11.4s /* tmp5 += z4 */
- add v25.4s, v25.4s, v15.4s
- add v30.4s, v30.4s, v9.4s /* tmp6 += z2 */
- add v26.4s, v26.4s, v13.4s
- add v31.4s, v31.4s, v8.4s /* tmp7 += z1 */
- add v27.4s, v27.4s, v12.4s
-
- rshrn v23.4h, v28.4s, #DESCALE_P1
- rshrn v21.4h, v29.4s, #DESCALE_P1
- rshrn v19.4h, v30.4s, #DESCALE_P1
- rshrn v17.4h, v31.4s, #DESCALE_P1
- rshrn2 v23.8h, v24.4s, #DESCALE_P1 /* dataptr[7] = (DCTELEM)DESCALE(tmp4 + z1 + z3, CONST_BITS-PASS1_BITS); */
- rshrn2 v21.8h, v25.4s, #DESCALE_P1 /* dataptr[5] = (DCTELEM)DESCALE(tmp5 + z2 + z4, CONST_BITS-PASS1_BITS); */
- rshrn2 v19.8h, v26.4s, #DESCALE_P1 /* dataptr[3] = (DCTELEM)DESCALE(tmp6 + z2 + z3, CONST_BITS-PASS1_BITS); */
- rshrn2 v17.8h, v27.4s, #DESCALE_P1 /* dataptr[1] = (DCTELEM)DESCALE(tmp7 + z1 + z4, CONST_BITS-PASS1_BITS); */
-
- /* Transpose */
- transpose_8x8 v16, v17, v18, v19, v20, v21, v22, v23, v31, v2, v3, v4
-
- /* 1-D FDCT */
- add v24.8h, v16.8h, v23.8h /* tmp0 = dataptr[0] + dataptr[7]; */
- sub v31.8h, v16.8h, v23.8h /* tmp7 = dataptr[0] - dataptr[7]; */
- add v25.8h, v17.8h, v22.8h /* tmp1 = dataptr[1] + dataptr[6]; */
- sub v30.8h, v17.8h, v22.8h /* tmp6 = dataptr[1] - dataptr[6]; */
- add v26.8h, v18.8h, v21.8h /* tmp2 = dataptr[2] + dataptr[5]; */
- sub v29.8h, v18.8h, v21.8h /* tmp5 = dataptr[2] - dataptr[5]; */
- add v27.8h, v19.8h, v20.8h /* tmp3 = dataptr[3] + dataptr[4]; */
- sub v28.8h, v19.8h, v20.8h /* tmp4 = dataptr[3] - dataptr[4]; */
-
- /* even part */
- add v8.8h, v24.8h, v27.8h /* tmp10 = tmp0 + tmp3; */
- sub v9.8h, v24.8h, v27.8h /* tmp13 = tmp0 - tmp3; */
- add v10.8h, v25.8h, v26.8h /* tmp11 = tmp1 + tmp2; */
- sub v11.8h, v25.8h, v26.8h /* tmp12 = tmp1 - tmp2; */
-
- add v16.8h, v8.8h, v10.8h /* tmp10 + tmp11 */
- sub v20.8h, v8.8h, v10.8h /* tmp10 - tmp11 */
-
- add v18.8h, v11.8h, v9.8h /* tmp12 + tmp13 */
-
- srshr v16.8h, v16.8h, #PASS1_BITS /* dataptr[0] = (DCTELEM)DESCALE(tmp10 + tmp11, PASS1_BITS); */
- srshr v20.8h, v20.8h, #PASS1_BITS /* dataptr[4] = (DCTELEM)DESCALE(tmp10 - tmp11, PASS1_BITS); */
-
- smull2 v24.4s, v18.8h, XFIX_P_0_541 /* z1 hi = MULTIPLY(tmp12 + tmp13, XFIX_P_0_541); */
- smull v18.4s, v18.4h, XFIX_P_0_541 /* z1 lo = MULTIPLY(tmp12 + tmp13, XFIX_P_0_541); */
- mov v22.16b, v18.16b
- mov v25.16b, v24.16b
-
- smlal v18.4s, v9.4h, XFIX_P_0_765 /* lo z1 + MULTIPLY(tmp13, XFIX_P_0_765) */
- smlal2 v24.4s, v9.8h, XFIX_P_0_765 /* hi z1 + MULTIPLY(tmp13, XFIX_P_0_765) */
- smlal v22.4s, v11.4h, XFIX_N_1_847 /* lo z1 + MULTIPLY(tmp12, XFIX_N_1_847) */
- smlal2 v25.4s, v11.8h, XFIX_N_1_847 /* hi z1 + MULTIPLY(tmp12, XFIX_N_1_847) */
-
- rshrn v18.4h, v18.4s, #DESCALE_P2
- rshrn v22.4h, v22.4s, #DESCALE_P2
- rshrn2 v18.8h, v24.4s, #DESCALE_P2 /* dataptr[2] = (DCTELEM)DESCALE(z1 + MULTIPLY(tmp13, XFIX_P_0_765), CONST_BITS-PASS1_BITS); */
- rshrn2 v22.8h, v25.4s, #DESCALE_P2 /* dataptr[6] = (DCTELEM)DESCALE(z1 + MULTIPLY(tmp12, XFIX_N_1_847), CONST_BITS-PASS1_BITS); */
-
- /* Odd part */
- add v8.8h, v28.8h, v31.8h /* z1 = tmp4 + tmp7; */
- add v9.8h, v29.8h, v30.8h /* z2 = tmp5 + tmp6; */
- add v10.8h, v28.8h, v30.8h /* z3 = tmp4 + tmp6; */
- add v11.8h, v29.8h, v31.8h /* z4 = tmp5 + tmp7; */
-
- smull v4.4s, v10.4h, XFIX_P_1_175 /* z5 lo = z3 lo * XFIX_P_1_175 */
- smull2 v5.4s, v10.8h, XFIX_P_1_175
- smlal v4.4s, v11.4h, XFIX_P_1_175 /* z5 = MULTIPLY(z3 + z4, FIX_1_175875602); */
- smlal2 v5.4s, v11.8h, XFIX_P_1_175
-
- smull2 v24.4s, v28.8h, XFIX_P_0_298
- smull2 v25.4s, v29.8h, XFIX_P_2_053
- smull2 v26.4s, v30.8h, XFIX_P_3_072
- smull2 v27.4s, v31.8h, XFIX_P_1_501
- smull v28.4s, v28.4h, XFIX_P_0_298 /* tmp4 = MULTIPLY(tmp4, FIX_0_298631336); */
- smull v29.4s, v29.4h, XFIX_P_2_053 /* tmp5 = MULTIPLY(tmp5, FIX_2_053119869); */
- smull v30.4s, v30.4h, XFIX_P_3_072 /* tmp6 = MULTIPLY(tmp6, FIX_3_072711026); */
- smull v31.4s, v31.4h, XFIX_P_1_501 /* tmp7 = MULTIPLY(tmp7, FIX_1_501321110); */
-
- smull2 v12.4s, v8.8h, XFIX_N_0_899
- smull2 v13.4s, v9.8h, XFIX_N_2_562
- smull2 v14.4s, v10.8h, XFIX_N_1_961
- smull2 v15.4s, v11.8h, XFIX_N_0_390
- smull v8.4s, v8.4h, XFIX_N_0_899 /* z1 = MULTIPLY(z1, -FIX_0_899976223); */
- smull v9.4s, v9.4h, XFIX_N_2_562 /* z2 = MULTIPLY(z2, -FIX_2_562915447); */
- smull v10.4s, v10.4h, XFIX_N_1_961 /* z3 = MULTIPLY(z3, -FIX_1_961570560); */
- smull v11.4s, v11.4h, XFIX_N_0_390 /* z4 = MULTIPLY(z4, -FIX_0_390180644); */
-
- add v10.4s, v10.4s, v4.4s
- add v14.4s, v14.4s, v5.4s
- add v11.4s, v11.4s, v4.4s
- add v15.4s, v15.4s, v5.4s
-
- add v28.4s, v28.4s, v8.4s /* tmp4 += z1 */
- add v24.4s, v24.4s, v12.4s
- add v29.4s, v29.4s, v9.4s /* tmp5 += z2 */
- add v25.4s, v25.4s, v13.4s
- add v30.4s, v30.4s, v10.4s /* tmp6 += z3 */
- add v26.4s, v26.4s, v14.4s
- add v31.4s, v31.4s, v11.4s /* tmp7 += z4 */
- add v27.4s, v27.4s, v15.4s
-
- add v28.4s, v28.4s, v10.4s /* tmp4 += z3 */
- add v24.4s, v24.4s, v14.4s
- add v29.4s, v29.4s, v11.4s /* tmp5 += z4 */
- add v25.4s, v25.4s, v15.4s
- add v30.4s, v30.4s, v9.4s /* tmp6 += z2 */
- add v26.4s, v26.4s, v13.4s
- add v31.4s, v31.4s, v8.4s /* tmp7 += z1 */
- add v27.4s, v27.4s, v12.4s
-
- rshrn v23.4h, v28.4s, #DESCALE_P2
- rshrn v21.4h, v29.4s, #DESCALE_P2
- rshrn v19.4h, v30.4s, #DESCALE_P2
- rshrn v17.4h, v31.4s, #DESCALE_P2
- rshrn2 v23.8h, v24.4s, #DESCALE_P2 /* dataptr[7] = (DCTELEM)DESCALE(tmp4 + z1 + z3, CONST_BITS-PASS1_BITS); */
- rshrn2 v21.8h, v25.4s, #DESCALE_P2 /* dataptr[5] = (DCTELEM)DESCALE(tmp5 + z2 + z4, CONST_BITS-PASS1_BITS); */
- rshrn2 v19.8h, v26.4s, #DESCALE_P2 /* dataptr[3] = (DCTELEM)DESCALE(tmp6 + z2 + z3, CONST_BITS-PASS1_BITS); */
- rshrn2 v17.8h, v27.4s, #DESCALE_P2 /* dataptr[1] = (DCTELEM)DESCALE(tmp7 + z1 + z4, CONST_BITS-PASS1_BITS); */
-
- /* store results */
- st1 {v16.8h, v17.8h, v18.8h, v19.8h}, [DATA], 64
- st1 {v20.8h, v21.8h, v22.8h, v23.8h}, [DATA]
-
- /* Restore NEON registers */
- ld1 {v8.8b, v9.8b, v10.8b, v11.8b}, [sp], 32
- ld1 {v12.8b, v13.8b, v14.8b, v15.8b}, [sp], 32
-
- br x30
-
- .unreq DATA
- .unreq TMP
-
-#undef XFIX_P_0_298
-#undef XFIX_N_0_390
-#undef XFIX_P_0_541
-#undef XFIX_P_0_765
-#undef XFIX_N_0_899
-#undef XFIX_P_1_175
-#undef XFIX_P_1_501
-#undef XFIX_N_1_847
-#undef XFIX_N_1_961
-#undef XFIX_P_2_053
-#undef XFIX_N_2_562
-#undef XFIX_P_3_072
-
-
-/*****************************************************************************/
-
-/*
* GLOBAL(JOCTET *)
* jsimd_huff_encode_one_block(working_state *state, JOCTET *buffer,
* JCOEFPTR block, int last_dc_val,
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-15 21:09:17 +0000