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Issue #1933 - Part 2: Update libjpeg-turbo source.
This commit is contained in:
parent
75e223e3bf
commit
fc2133f4d1
321 changed files with 73829 additions and 50995 deletions
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@ -41,7 +41,7 @@ typedef void (*float_quantize_method_ptr) (JCOEFPTR coef_block,
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FAST_FLOAT *divisors,
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FAST_FLOAT *workspace);
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METHODDEF(void) quantize (JCOEFPTR, DCTELEM *, DCTELEM *);
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METHODDEF(void) quantize(JCOEFPTR, DCTELEM *, DCTELEM *);
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typedef struct {
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struct jpeg_forward_dct pub; /* public fields */
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@ -80,7 +80,7 @@ typedef my_fdct_controller *my_fdct_ptr;
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*/
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LOCAL(int)
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flss (UINT16 val)
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flss(UINT16 val)
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{
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int bit;
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@ -170,7 +170,7 @@ flss (UINT16 val)
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*/
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LOCAL(int)
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compute_reciprocal (UINT16 divisor, DCTELEM *dtbl)
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compute_reciprocal(UINT16 divisor, DCTELEM *dtbl)
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{
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UDCTELEM2 fq, fr;
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UDCTELEM c;
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@ -182,10 +182,10 @@ compute_reciprocal (UINT16 divisor, DCTELEM *dtbl)
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* identity function. Since only the C quantization algorithm is used in
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* these cases, the scale value is irrelevant.
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*/
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dtbl[DCTSIZE2 * 0] = (DCTELEM) 1; /* reciprocal */
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dtbl[DCTSIZE2 * 1] = (DCTELEM) 0; /* correction */
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dtbl[DCTSIZE2 * 2] = (DCTELEM) 1; /* scale */
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dtbl[DCTSIZE2 * 3] = -(DCTELEM) (sizeof(DCTELEM) * 8); /* shift */
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dtbl[DCTSIZE2 * 0] = (DCTELEM)1; /* reciprocal */
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dtbl[DCTSIZE2 * 1] = (DCTELEM)0; /* correction */
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dtbl[DCTSIZE2 * 2] = (DCTELEM)1; /* scale */
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dtbl[DCTSIZE2 * 3] = -(DCTELEM)(sizeof(DCTELEM) * 8); /* shift */
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return 0;
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}
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@ -195,28 +195,28 @@ compute_reciprocal (UINT16 divisor, DCTELEM *dtbl)
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fq = ((UDCTELEM2)1 << r) / divisor;
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fr = ((UDCTELEM2)1 << r) % divisor;
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c = divisor / 2; /* for rounding */
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c = divisor / 2; /* for rounding */
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if (fr == 0) { /* divisor is power of two */
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if (fr == 0) { /* divisor is power of two */
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/* fq will be one bit too large to fit in DCTELEM, so adjust */
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fq >>= 1;
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r--;
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} else if (fr <= (divisor / 2U)) { /* fractional part is < 0.5 */
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} else if (fr <= (divisor / 2U)) { /* fractional part is < 0.5 */
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c++;
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} else { /* fractional part is > 0.5 */
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} else { /* fractional part is > 0.5 */
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fq++;
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}
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dtbl[DCTSIZE2 * 0] = (DCTELEM) fq; /* reciprocal */
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dtbl[DCTSIZE2 * 1] = (DCTELEM) c; /* correction + roundfactor */
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dtbl[DCTSIZE2 * 0] = (DCTELEM)fq; /* reciprocal */
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dtbl[DCTSIZE2 * 1] = (DCTELEM)c; /* correction + roundfactor */
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#ifdef WITH_SIMD
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dtbl[DCTSIZE2 * 2] = (DCTELEM) (1 << (sizeof(DCTELEM)*8*2 - r)); /* scale */
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dtbl[DCTSIZE2 * 2] = (DCTELEM)(1 << (sizeof(DCTELEM) * 8 * 2 - r)); /* scale */
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#else
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dtbl[DCTSIZE2 * 2] = 1;
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#endif
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dtbl[DCTSIZE2 * 3] = (DCTELEM) r - sizeof(DCTELEM)*8; /* shift */
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dtbl[DCTSIZE2 * 3] = (DCTELEM)r - sizeof(DCTELEM) * 8; /* shift */
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if(r <= 16) return 0;
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if (r <= 16) return 0;
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else return 1;
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}
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@ -233,9 +233,9 @@ compute_reciprocal (UINT16 divisor, DCTELEM *dtbl)
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*/
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METHODDEF(void)
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start_pass_fdctmgr (j_compress_ptr cinfo)
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start_pass_fdctmgr(j_compress_ptr cinfo)
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{
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my_fdct_ptr fdct = (my_fdct_ptr) cinfo->fdct;
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my_fdct_ptr fdct = (my_fdct_ptr)cinfo->fdct;
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int ci, qtblno, i;
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jpeg_component_info *compptr;
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JQUANT_TBL *qtbl;
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@ -259,7 +259,7 @@ start_pass_fdctmgr (j_compress_ptr cinfo)
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*/
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if (fdct->divisors[qtblno] == NULL) {
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fdct->divisors[qtblno] = (DCTELEM *)
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(*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
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(*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
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(DCTSIZE2 * 4) * sizeof(DCTELEM));
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}
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dtbl = fdct->divisors[qtblno];
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@ -269,7 +269,7 @@ start_pass_fdctmgr (j_compress_ptr cinfo)
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fdct->quantize == jsimd_quantize)
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fdct->quantize = quantize;
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#else
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dtbl[i] = ((DCTELEM) qtbl->quantval[i]) << 3;
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dtbl[i] = ((DCTELEM)qtbl->quantval[i]) << 3;
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#endif
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}
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break;
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@ -283,7 +283,7 @@ start_pass_fdctmgr (j_compress_ptr cinfo)
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* scalefactor[k] = cos(k*PI/16) * sqrt(2) for k=1..7
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* We apply a further scale factor of 8.
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*/
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#define CONST_BITS 14
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#define CONST_BITS 14
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static const INT16 aanscales[DCTSIZE2] = {
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/* precomputed values scaled up by 14 bits */
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16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520,
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@ -299,23 +299,23 @@ start_pass_fdctmgr (j_compress_ptr cinfo)
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if (fdct->divisors[qtblno] == NULL) {
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fdct->divisors[qtblno] = (DCTELEM *)
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(*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
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(*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
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(DCTSIZE2 * 4) * sizeof(DCTELEM));
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}
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dtbl = fdct->divisors[qtblno];
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for (i = 0; i < DCTSIZE2; i++) {
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#if BITS_IN_JSAMPLE == 8
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if (!compute_reciprocal(
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DESCALE(MULTIPLY16V16((JLONG) qtbl->quantval[i],
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(JLONG) aanscales[i]),
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CONST_BITS-3), &dtbl[i]) &&
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DESCALE(MULTIPLY16V16((JLONG)qtbl->quantval[i],
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(JLONG)aanscales[i]),
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CONST_BITS - 3), &dtbl[i]) &&
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fdct->quantize == jsimd_quantize)
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fdct->quantize = quantize;
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#else
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dtbl[i] = (DCTELEM)
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DESCALE(MULTIPLY16V16((JLONG) qtbl->quantval[i],
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(JLONG) aanscales[i]),
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CONST_BITS-3);
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dtbl[i] = (DCTELEM)
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DESCALE(MULTIPLY16V16((JLONG)qtbl->quantval[i],
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(JLONG)aanscales[i]),
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CONST_BITS - 3);
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#endif
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}
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}
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@ -341,7 +341,7 @@ start_pass_fdctmgr (j_compress_ptr cinfo)
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if (fdct->float_divisors[qtblno] == NULL) {
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fdct->float_divisors[qtblno] = (FAST_FLOAT *)
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(*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
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(*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
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DCTSIZE2 * sizeof(FAST_FLOAT));
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}
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fdtbl = fdct->float_divisors[qtblno];
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@ -349,7 +349,7 @@ start_pass_fdctmgr (j_compress_ptr cinfo)
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for (row = 0; row < DCTSIZE; row++) {
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for (col = 0; col < DCTSIZE; col++) {
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fdtbl[i] = (FAST_FLOAT)
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(1.0 / (((double) qtbl->quantval[i] *
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(1.0 / (((double)qtbl->quantval[i] *
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aanscalefactor[row] * aanscalefactor[col] * 8.0)));
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i++;
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}
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@ -370,7 +370,7 @@ start_pass_fdctmgr (j_compress_ptr cinfo)
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*/
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METHODDEF(void)
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convsamp (JSAMPARRAY sample_data, JDIMENSION start_col, DCTELEM *workspace)
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convsamp(JSAMPARRAY sample_data, JDIMENSION start_col, DCTELEM *workspace)
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{
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register DCTELEM *workspaceptr;
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register JSAMPROW elemptr;
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@ -381,19 +381,19 @@ convsamp (JSAMPARRAY sample_data, JDIMENSION start_col, DCTELEM *workspace)
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elemptr = sample_data[elemr] + start_col;
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#if DCTSIZE == 8 /* unroll the inner loop */
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*workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
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#else
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{
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register int elemc;
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for (elemc = DCTSIZE; elemc > 0; elemc--)
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*workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
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*workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
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}
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#endif
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}
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@ -405,7 +405,7 @@ convsamp (JSAMPARRAY sample_data, JDIMENSION start_col, DCTELEM *workspace)
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*/
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METHODDEF(void)
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quantize (JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace)
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quantize(JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace)
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{
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int i;
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DCTELEM temp;
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@ -426,15 +426,15 @@ quantize (JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace)
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if (temp < 0) {
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temp = -temp;
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product = (UDCTELEM2)(temp + corr) * recip;
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product >>= shift + sizeof(DCTELEM)*8;
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product >>= shift + sizeof(DCTELEM) * 8;
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temp = (DCTELEM)product;
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temp = -temp;
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} else {
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product = (UDCTELEM2)(temp + corr) * recip;
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product >>= shift + sizeof(DCTELEM)*8;
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product >>= shift + sizeof(DCTELEM) * 8;
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temp = (DCTELEM)product;
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}
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output_ptr[i] = (JCOEF) temp;
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output_ptr[i] = (JCOEF)temp;
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}
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#else
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@ -457,20 +457,20 @@ quantize (JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace)
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* If your machine's division is fast enough, define FAST_DIVIDE.
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*/
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#ifdef FAST_DIVIDE
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#define DIVIDE_BY(a,b) a /= b
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#define DIVIDE_BY(a, b) a /= b
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#else
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#define DIVIDE_BY(a,b) if (a >= b) a /= b; else a = 0
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#define DIVIDE_BY(a, b) if (a >= b) a /= b; else a = 0
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#endif
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if (temp < 0) {
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temp = -temp;
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temp += qval>>1; /* for rounding */
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temp += qval >> 1; /* for rounding */
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DIVIDE_BY(temp, qval);
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temp = -temp;
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} else {
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temp += qval>>1; /* for rounding */
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temp += qval >> 1; /* for rounding */
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DIVIDE_BY(temp, qval);
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}
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output_ptr[i] = (JCOEF) temp;
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output_ptr[i] = (JCOEF)temp;
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}
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#endif
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@ -487,14 +487,13 @@ quantize (JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace)
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*/
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METHODDEF(void)
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forward_DCT (j_compress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY sample_data, JBLOCKROW coef_blocks,
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JDIMENSION start_row, JDIMENSION start_col,
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JDIMENSION num_blocks)
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forward_DCT(j_compress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY sample_data, JBLOCKROW coef_blocks,
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JDIMENSION start_row, JDIMENSION start_col, JDIMENSION num_blocks)
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/* This version is used for integer DCT implementations. */
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{
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/* This routine is heavily used, so it's worth coding it tightly. */
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my_fdct_ptr fdct = (my_fdct_ptr) cinfo->fdct;
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my_fdct_ptr fdct = (my_fdct_ptr)cinfo->fdct;
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DCTELEM *divisors = fdct->divisors[compptr->quant_tbl_no];
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DCTELEM *workspace;
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JDIMENSION bi;
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@ -522,9 +521,9 @@ forward_DCT (j_compress_ptr cinfo, jpeg_component_info *compptr,
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#ifdef DCT_FLOAT_SUPPORTED
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METHODDEF(void)
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convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col, FAST_FLOAT *workspace)
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convsamp_float(JSAMPARRAY sample_data, JDIMENSION start_col,
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FAST_FLOAT *workspace)
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{
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register FAST_FLOAT *workspaceptr;
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register JSAMPROW elemptr;
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@ -534,20 +533,19 @@ convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col, FAST_FLOAT *worksp
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for (elemr = 0; elemr < DCTSIZE; elemr++) {
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elemptr = sample_data[elemr] + start_col;
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#if DCTSIZE == 8 /* unroll the inner loop */
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*workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
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#else
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{
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register int elemc;
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for (elemc = DCTSIZE; elemc > 0; elemc--)
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*workspaceptr++ = (FAST_FLOAT)
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(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
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*workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
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}
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#endif
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}
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@ -555,7 +553,8 @@ convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col, FAST_FLOAT *worksp
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METHODDEF(void)
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quantize_float (JCOEFPTR coef_block, FAST_FLOAT *divisors, FAST_FLOAT *workspace)
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quantize_float(JCOEFPTR coef_block, FAST_FLOAT *divisors,
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FAST_FLOAT *workspace)
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{
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register FAST_FLOAT temp;
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register int i;
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@ -571,20 +570,20 @@ quantize_float (JCOEFPTR coef_block, FAST_FLOAT *divisors, FAST_FLOAT *workspace
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* The maximum coefficient size is +-16K (for 12-bit data), so this
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* code should work for either 16-bit or 32-bit ints.
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*/
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output_ptr[i] = (JCOEF) ((int) (temp + (FAST_FLOAT) 16384.5) - 16384);
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output_ptr[i] = (JCOEF)((int)(temp + (FAST_FLOAT)16384.5) - 16384);
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}
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}
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METHODDEF(void)
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forward_DCT_float (j_compress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY sample_data, JBLOCKROW coef_blocks,
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JDIMENSION start_row, JDIMENSION start_col,
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JDIMENSION num_blocks)
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forward_DCT_float(j_compress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY sample_data, JBLOCKROW coef_blocks,
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JDIMENSION start_row, JDIMENSION start_col,
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JDIMENSION num_blocks)
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/* This version is used for floating-point DCT implementations. */
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{
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/* This routine is heavily used, so it's worth coding it tightly. */
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my_fdct_ptr fdct = (my_fdct_ptr) cinfo->fdct;
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my_fdct_ptr fdct = (my_fdct_ptr)cinfo->fdct;
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FAST_FLOAT *divisors = fdct->float_divisors[compptr->quant_tbl_no];
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FAST_FLOAT *workspace;
|
||||
JDIMENSION bi;
|
||||
|
|
@ -618,15 +617,15 @@ forward_DCT_float (j_compress_ptr cinfo, jpeg_component_info *compptr,
|
|||
*/
|
||||
|
||||
GLOBAL(void)
|
||||
jinit_forward_dct (j_compress_ptr cinfo)
|
||||
jinit_forward_dct(j_compress_ptr cinfo)
|
||||
{
|
||||
my_fdct_ptr fdct;
|
||||
int i;
|
||||
|
||||
fdct = (my_fdct_ptr)
|
||||
(*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
|
||||
(*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
|
||||
sizeof(my_fdct_controller));
|
||||
cinfo->fdct = (struct jpeg_forward_dct *) fdct;
|
||||
cinfo->fdct = (struct jpeg_forward_dct *)fdct;
|
||||
fdct->pub.start_pass = start_pass_fdctmgr;
|
||||
|
||||
/* First determine the DCT... */
|
||||
|
|
@ -703,12 +702,12 @@ jinit_forward_dct (j_compress_ptr cinfo)
|
|||
#ifdef DCT_FLOAT_SUPPORTED
|
||||
if (cinfo->dct_method == JDCT_FLOAT)
|
||||
fdct->float_workspace = (FAST_FLOAT *)
|
||||
(*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
|
||||
(*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
|
||||
sizeof(FAST_FLOAT) * DCTSIZE2);
|
||||
else
|
||||
#endif
|
||||
fdct->workspace = (DCTELEM *)
|
||||
(*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
|
||||
(*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
|
||||
sizeof(DCTELEM) * DCTSIZE2);
|
||||
|
||||
/* Mark divisor tables unallocated */
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue