26 #define JPEG_INTERNALS 31 #ifdef DCT_ISLOW_SUPPORTED 39 Sorry,
this code only copes with 8x8 DCTs.
77 #if BITS_IN_JSAMPLE == 8 93 #define FIX_0_298631336 ((INT32) 2446) 94 #define FIX_0_390180644 ((INT32) 3196) 95 #define FIX_0_541196100 ((INT32) 4433) 96 #define FIX_0_765366865 ((INT32) 6270) 97 #define FIX_0_899976223 ((INT32) 7373) 98 #define FIX_1_175875602 ((INT32) 9633) 99 #define FIX_1_501321110 ((INT32) 12299) 100 #define FIX_1_847759065 ((INT32) 15137) 101 #define FIX_1_961570560 ((INT32) 16069) 102 #define FIX_2_053119869 ((INT32) 16819) 103 #define FIX_2_562915447 ((INT32) 20995) 104 #define FIX_3_072711026 ((INT32) 25172) 106 #define FIX_0_298631336 FIX(0.298631336) 107 #define FIX_0_390180644 FIX(0.390180644) 108 #define FIX_0_541196100 FIX(0.541196100) 109 #define FIX_0_765366865 FIX(0.765366865) 110 #define FIX_0_899976223 FIX(0.899976223) 111 #define FIX_1_175875602 FIX(1.175875602) 112 #define FIX_1_501321110 FIX(1.501321110) 113 #define FIX_1_847759065 FIX(1.847759065) 114 #define FIX_1_961570560 FIX(1.961570560) 115 #define FIX_2_053119869 FIX(2.053119869) 116 #define FIX_2_562915447 FIX(2.562915447) 117 #define FIX_3_072711026 FIX(3.072711026) 128 #if BITS_IN_JSAMPLE == 8 129 #define MULTIPLY(var,const) MULTIPLY16C16(var,const) 131 #define MULTIPLY(var,const) ((var) * (const)) 142 INT32 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
143 INT32 tmp10, tmp11, tmp12, tmp13;
144 INT32 z1, z2, z3, z4, z5;
154 for (ctr =
DCTSIZE-1; ctr >= 0; ctr--) {
155 tmp0 = dataptr[0] + dataptr[7];
156 tmp7 = dataptr[0] - dataptr[7];
157 tmp1 = dataptr[1] + dataptr[6];
158 tmp6 = dataptr[1] - dataptr[6];
159 tmp2 = dataptr[2] + dataptr[5];
160 tmp5 = dataptr[2] - dataptr[5];
161 tmp3 = dataptr[3] + dataptr[4];
162 tmp4 = dataptr[3] - dataptr[4];
219 for (ctr =
DCTSIZE-1; ctr >= 0; ctr--) {
GLsizei GLsizei GLenum GLenum const GLvoid * data
jpeg_fdct_islow(DCTELEM *data)
#define MULTIPLY(var, const)
int const JOCTET * dataptr