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Searched refs:coeff (Results 1 - 25 of 126) sorted by relevance

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/third_party/ffmpeg/tests/checkasm/
H A Dvf_colorspace.c58 int w, int h, const int16_t coeff[3][3][8], in check_yuv2yuv()
76 int16_t (*coeff)[3][8] = (int16_t(*)[3][8]) coeff_buf; in check_yuv2yuv()
82 coeff[0][0][n] = (1 << 14) + (1 << 7) + 1; in check_yuv2yuv()
83 coeff[0][1][n] = (1 << 7) - 1; in check_yuv2yuv()
84 coeff[0][2][n] = -(1 << 8); in check_yuv2yuv()
85 coeff[1][0][n] = coeff[2][0][n] = 0; in check_yuv2yuv()
86 coeff[1][1][n] = (1 << 14) + (1 << 7); in check_yuv2yuv()
87 coeff[1][2][n] = -(1 << 7); in check_yuv2yuv()
88 coeff[ in check_yuv2yuv()
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/third_party/skia/src/gpu/
H A DGrBlend.h77 static constexpr bool GrBlendCoeffRefsSrc(const GrBlendCoeff coeff) { in GrBlendCoeffRefsSrc() argument
78 return kSC_GrBlendCoeff == coeff || kISC_GrBlendCoeff == coeff || kSA_GrBlendCoeff == coeff || in GrBlendCoeffRefsSrc()
79 kISA_GrBlendCoeff == coeff; in GrBlendCoeffRefsSrc()
82 static constexpr bool GrBlendCoeffRefsDst(const GrBlendCoeff coeff) { in GrBlendCoeffRefsDst() argument
83 return kDC_GrBlendCoeff == coeff || kIDC_GrBlendCoeff == coeff || kDA_GrBlendCoeff == coeff || in GrBlendCoeffRefsDst()
84 kIDA_GrBlendCoeff == coeff; in GrBlendCoeffRefsDst()
87 GrBlendCoeffRefsSrc2(const GrBlendCoeff coeff) GrBlendCoeffRefsSrc2() argument
113 GrBlendCoeffRefsConstant(const GrBlendCoeff coeff) GrBlendCoeffRefsConstant() argument
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/third_party/ffmpeg/libavcodec/
H A Ddcadsp.c36 const int8_t *coeff = hf_vq[vq_index[i]]; in decode_hf_c() local
39 dst[i][j + ofs] = clip23(coeff[j] * scale + (1 << 3) >> 4); in decode_hf_c()
298 static void decor_c(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len) in decor_c() argument
303 dst[i] += (SUINT)((int)(src[i] * (SUINT)coeff + (1 << 2)) >> 3); in decor_c()
318 static void dmix_sub_c(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len) in dmix_sub_c() argument
323 dst[i] -= (unsigned)mul15(src[i], coeff); in dmix_sub_c()
326 static void dmix_add_c(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len) in dmix_add_c() argument
331 dst[i] += (unsigned)mul15(src[i], coeff); in dmix_add_c()
350 static void filter0(SUINT32 *dst, const int32_t *src, int32_t coeff, ptrdiff_t len) in filter0() argument
355 dst[i] -= mul22(src[i], coeff); in filter0()
358 filter1(SUINT32 *dst, const int32_t *src, int32_t coeff, ptrdiff_t len) filter1() argument
366 assemble_freq_bands_c(int32_t *dst, int32_t *src0, int32_t *src1, const int32_t *coeff, ptrdiff_t len) assemble_freq_bands_c() argument
388 lbr_bank_c(float output[32][4], float **input, const float *coeff, ptrdiff_t ofs, ptrdiff_t len) lbr_bank_c() argument
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H A Drtjpeg.c26 i = scan[coeff--]; \
48 int coeff, i, n; in get_block() local
57 coeff = get_bits(gb, 6); in get_block()
58 if (get_bits_left(gb) < (coeff << 1)) in get_block()
61 // normally we would only need to clear the (63 - coeff) last values, in get_block()
66 while (coeff) { in get_block()
75 if (get_bits_left(gb) < (coeff << 2)) in get_block()
77 while (coeff) { in get_block()
86 if (get_bits_left(gb) < (coeff << 3)) in get_block()
88 while (coeff) { in get_block()
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H A Dadx.c26 void ff_adx_calculate_coeffs(int cutoff, int sample_rate, int bits, int *coeff) in ff_adx_calculate_coeffs() argument
34 coeff[0] = lrintf(c * 2.0 * (1 << bits)); in ff_adx_calculate_coeffs()
35 coeff[1] = lrintf(-(c * c) * (1 << bits)); in ff_adx_calculate_coeffs()
39 int bufsize, int *header_size, int *coeff) in ff_adx_decode_header()
81 if (coeff) { in ff_adx_decode_header()
83 ff_adx_calculate_coeffs(cutoff, avctx->sample_rate, COEFF_BITS, coeff); in ff_adx_decode_header()
38 ff_adx_decode_header(AVCodecContext *avctx, const uint8_t *buf, int bufsize, int *header_size, int *coeff) ff_adx_decode_header() argument
H A Dopusdsp.c46 static float deemphasis_c(float *y, float *x, float coeff, int len) in deemphasis_c() argument
49 coeff = y[i] = x[i] + coeff*CELT_EMPH_COEFF; in deemphasis_c()
51 return coeff; in deemphasis_c()
H A Dadxenc.c52 d = s0 + ((-c->coeff[0] * s1 - c->coeff[1] * s2) >> COEFF_BITS); in adx_encode()
83 d = wav[i] + ((-c->coeff[0] * s1 - c->coeff[1] * s2) >> COEFF_BITS); in adx_encode()
89 s0 = d * scale + ((c->coeff[0] * s1 + c->coeff[1] * s2) >> COEFF_BITS); in adx_encode()
136 ff_adx_calculate_coeffs(c->cutoff, avctx->sample_rate, COEFF_BITS, c->coeff); in adx_encode_init()
H A Ddcadsp.h72 void (*decor)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
77 void (*dmix_sub)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
79 void (*dmix_add)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
86 const int32_t *coeff, ptrdiff_t len);
89 const float *coeff, ptrdiff_t ofs, ptrdiff_t len);
H A Dadx.h48 int coeff[2]; member
62 * @param[out] coeff 2 quantized LPC coefficients
64 void ff_adx_calculate_coeffs(int cutoff, int sample_rate, int bits, int *coeff);
74 * @param[out] coeff 2 LPC coefficients, can be NULL
78 int bufsize, int *header_size, int *coeff);
H A Dvp6.c413 int coeff, sign, coeff_idx; in vp6_parse_coeff_huffman() local
431 coeff = get_vlc2(&s->gb, vlc_coeff->table, FF_HUFFMAN_BITS, 3); in vp6_parse_coeff_huffman()
432 if (coeff == 0) { in vp6_parse_coeff_huffman()
441 } else if (coeff == 11) { /* end of block */ in vp6_parse_coeff_huffman()
442 if (coeff_idx == 1) /* first AC coeff ? */ in vp6_parse_coeff_huffman()
446 int coeff2 = ff_vp56_coeff_bias[coeff]; in vp6_parse_coeff_huffman()
447 if (coeff > 4) in vp6_parse_coeff_huffman()
448 coeff2 += get_bits(&s->gb, coeff <= 9 ? coeff - 4 : 11); in vp6_parse_coeff_huffman()
475 int coeff, sig in vp6_parse_coeff() local
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H A Dadxdec.c46 c->coeff)) < 0) { in adx_decode_init()
85 s0 = d * scale + ((c->coeff[0] * s1 + c->coeff[1] * s2) >> COEFF_BITS); in adx_decode()
115 c->coeff)) < 0) { in adx_decode_frame()
131 c->coeff)) < 0) { in adx_decode_frame()
/third_party/python/Modules/_decimal/tests/
H A Dbignum.py20 def xhash(coeff, exp):
22 if coeff < 0:
24 coeff = -coeff
29 hash_ = coeff * exp_hash % _PyHASH_MODULUS
35 coeff = int(x) variable
39 h1 = xhash(coeff, -849999999)
H A Dranddec.py134 coeff = ndigits(maxprec)
136 coeff = ()
139 coeff = tuple(map(int, str(ndigits(maxprec))))
142 coeff = tuple(map(int, str(ndigits(maxprec))))
144 return (sign, coeff, exp)
146 def from_triple(sign, coeff, exp):
147 return ''.join((str(sign*coeff), indicator(), str(exp)))
158 for coeff in nines:
159 yield coeff
160 yield -coeff
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/third_party/skia/src/pathops/
H A DSkPathOpsConic.cpp17 double coeff[3]) { in conic_deriv_coeff()
21 coeff[0] = w * P20 - P20; in conic_deriv_coeff()
22 coeff[1] = P20 - 2 * wP10; in conic_deriv_coeff()
23 coeff[2] = wP10; in conic_deriv_coeff()
27 double coeff[3]; in conic_eval_tan() local
28 conic_deriv_coeff(coord, w, coeff); in conic_eval_tan()
29 return t * (t * coeff[0] + coeff[1]) + coeff[2]; in conic_eval_tan()
33 double coeff[ in FindExtrema() local
15 conic_deriv_coeff(const double src[], SkScalar w, double coeff[3]) conic_deriv_coeff() argument
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/third_party/ffmpeg/libavutil/
H A Dlls.c75 sum -= factor[i][k] * m->coeff[0][k]; in avpriv_solve_lls()
77 m->coeff[0][i] = sum / factor[i][i]; in avpriv_solve_lls()
82 double sum = m->coeff[0][i]; in avpriv_solve_lls()
85 sum -= factor[k][i] * m->coeff[j][k]; in avpriv_solve_lls()
87 m->coeff[j][i] = sum / factor[i][i]; in avpriv_solve_lls()
93 double sum = m->coeff[j][i] * covar[i][i] - 2 * covar_y[i + 1]; in avpriv_solve_lls()
96 sum += 2 * m->coeff[j][k] * covar[k][i]; in avpriv_solve_lls()
98 m->variance[j] += m->coeff[j][i] * sum; in avpriv_solve_lls()
109 out += param[i] * m->coeff[order][i]; in evaluate_lls()
/third_party/ffmpeg/libswscale/arm/
H A Drgb2yuv_neon_32.S64 .macro compute_y_16x1_step action, s8x16, coeff
68 \action y32x16_el, \s8x16\()_l, \coeff
69 \action y32x16_eh, \s8x16\()_h, \coeff
70 \action y32x16_ol, n16x16_ol, \coeff
71 \action y32x16_oh, n16x16_oh, \coeff
99 .macro compute_chroma_8x1_step action, s16x8, coeff
100 \action c32x8_l, \s16x8\()_l, \coeff
101 \action c32x8_h, \s16x8\()_h, \coeff
/third_party/skia/tests/
H A DCubicMapTest.cpp26 SkCubicCoeff coeff(array); in accurate_solve()
28 float t = accurate_t(coeff.fA[0], coeff.fB[0], coeff.fC[0], coeff.fD[0] - x); in accurate_solve()
30 float y = coeff.eval(t)[1]; in accurate_solve()
/third_party/ffmpeg/libavfilter/
H A Dvf_perspective.c44 int32_t coeff[SUB_PIXELS][4]; member
106 double coeff, A = -0.60; in get_coeff() local
111 coeff = (1.0 - (A + 3.0) * d * d + (A + 2.0) * d * d * d); in get_coeff()
113 coeff = (-4.0 * A + 8.0 * A * d - 5.0 * A * d * d + A * d * d * d); in get_coeff()
115 coeff = 0.0; in get_coeff()
117 return coeff; in get_coeff()
259 s->coeff[i][j] = lrint((1 << COEFF_BITS) * temp[j] / sum); in config_input()
307 const int a = s->coeff[subU][0]; in resample_cubic()
308 const int b = s->coeff[subU][1]; in resample_cubic()
309 const int c = s->coeff[sub in resample_cubic()
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H A Daf_acrusher.c60 double coeff; member
126 const double coeff = s->coeff; in bitreduction() local
155 y = in * coeff; in bitreduction()
158 k /= coeff; in bitreduction()
160 k = k / coeff + ((k + 1) / coeff - k / coeff) * in bitreduction()
163 k = k / coeff - (k / coeff in bitreduction()
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H A Dvf_colorlevels.c96 float coeff[4]; member
129 const float coeff_r = td->coeff[R]; \
130 const float coeff_g = td->coeff[G]; \
131 const float coeff_b = td->coeff[B]; \
132 const float coeff_a = td->coeff[A]; \
411 float coeff; in filter_frame() local
435 coeff = (omax - omin) / (double)(imax - imin); in filter_frame()
437 td.coeff[i] = coeff; in filter_frame()
451 float coeff; in filter_frame() local
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/third_party/ffmpeg/libswscale/
H A Dutils.c429 int64_t coeff = fone - FFABS((int64_t)xx * (1 << 16) - xDstInSrc) * (fone >> 16); in initFilter() local
430 if (coeff < 0) in initFilter()
431 coeff = 0; in initFilter()
432 filter[i * filterSize + j] = coeff; in initFilter()
469 int64_t coeff; in initFilter() local
480 coeff = 0.0; in initFilter()
486 coeff = (12 * (1 << 24) - 9 * B - 6 * C) * ddd + in initFilter()
490 coeff = (-B - 6 * C) * ddd + in initFilter()
495 coeff /= (1LL<<54)/fone; in initFilter()
508 coeff in initFilter()
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/third_party/skia/src/core/
H A DSkGeometry.cpp376 SkQuadCoeff coeff;
382 coeff.fA = P3 + Sk2s(3) * (P1 - P2) - P0;
383 coeff.fB = times_2(P2 - times_2(P1) + P0);
384 coeff.fC = P1 - P0;
385 return to_vector(coeff.eval(t));
940 /* Solve coeff(t) == 0, returning the number of roots that
942 coeff[0]t^3 + coeff[1]t^2 + coeff[2]t + coeff[
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/third_party/ffmpeg/libavutil/tests/
H A Dlls.c50 m.coeff[order][0], m.coeff[order][1], in main()
51 m.coeff[order][2]); in main()
/third_party/mesa3d/src/gallium/auxiliary/vl/
H A Dvl_mpeg12_bitstream.c52 struct dct_coeff coeff; member
549 struct dct_coeff coeff = src->coeff; in init_dct_coeff_table() local
552 switch (coeff.run) { in init_dct_coeff_table()
568 coeff.length += 1; in init_dct_coeff_table()
569 coeff.run = 1; in init_dct_coeff_table()
576 coeff.length += 1; in init_dct_coeff_table()
577 coeff.run = 1; in init_dct_coeff_table()
581 coeff.length += 1; in init_dct_coeff_table()
582 coeff in init_dct_coeff_table()
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/third_party/ffmpeg/libavcodec/mips/
H A Dvc1dsp_mmi.c484 int16_t coeff[64] = {12, 16, 16, 15, 12, 9, 6, 4, in ff_vc1_inv_trans_8x4_mmi() local
503 MMI_LDC1(%[ftmp3], %[coeff], 0x00) in ff_vc1_inv_trans_8x4_mmi()
504 MMI_LDC1(%[ftmp4], %[coeff], 0x08) in ff_vc1_inv_trans_8x4_mmi()
505 MMI_LDC1(%[ftmp5], %[coeff], 0x10) in ff_vc1_inv_trans_8x4_mmi()
506 MMI_LDC1(%[ftmp6], %[coeff], 0x18) in ff_vc1_inv_trans_8x4_mmi()
519 MMI_LDC1(%[ftmp3], %[coeff], 0x20) in ff_vc1_inv_trans_8x4_mmi()
520 MMI_LDC1(%[ftmp4], %[coeff], 0x28) in ff_vc1_inv_trans_8x4_mmi()
521 MMI_LDC1(%[ftmp5], %[coeff], 0x30) in ff_vc1_inv_trans_8x4_mmi()
522 MMI_LDC1(%[ftmp6], %[coeff], 0x38) in ff_vc1_inv_trans_8x4_mmi()
535 MMI_LDC1(%[ftmp3], %[coeff], in ff_vc1_inv_trans_8x4_mmi()
950 int16_t coeff[16] = {17, 22, 17, 10, ff_vc1_inv_trans_4x8_mmi() local
1180 int16_t coeff[16] = {17, 22, 17, 10, ff_vc1_inv_trans_4x4_mmi() local
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123456