From: Even Rouault Date: Fri, 1 Sep 2017 14:31:06 +0000 (+0200) Subject: opj_dwt_decode_partial_97(): simplify/more efficient use of sparse arrays in vertical... X-Git-Tag: v2.3.0~39^2~8 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=83b5a168ec0e89210671d60670c9a1143ce8776b;p=openjpeg opj_dwt_decode_partial_97(): simplify/more efficient use of sparse arrays in vertical pass --- diff --git a/src/lib/openjp2/dwt.c b/src/lib/openjp2/dwt.c index cbbe50d0..18524818 100644 --- a/src/lib/openjp2/dwt.c +++ b/src/lib/openjp2/dwt.c @@ -2248,23 +2248,20 @@ static void opj_v4dwt_interleave_partial_v(opj_v4dwt_t* OPJ_RESTRICT dwt, OPJ_UINT32 sa_col, OPJ_UINT32 nb_elts_read) { - OPJ_UINT32 i; - for (i = 0; i < nb_elts_read; i++) { - OPJ_BOOL ret; - ret = opj_sparse_array_int32_read(sa, - sa_col + i, dwt->win_l_x0, - sa_col + i + 1, dwt->win_l_x1, - (OPJ_INT32*)(dwt->wavelet + dwt->cas + 2 * dwt->win_l_x0) + i, - 0, 8, OPJ_TRUE); - assert(ret); - ret = opj_sparse_array_int32_read(sa, - sa_col + i, (OPJ_UINT32)dwt->sn + dwt->win_h_x0, - sa_col + i + 1, (OPJ_UINT32)dwt->sn + dwt->win_h_x1, - (OPJ_INT32*)(dwt->wavelet + 1 - dwt->cas + 2 * dwt->win_h_x0) + i, - 0, 8, OPJ_TRUE); - assert(ret); - OPJ_UNUSED(ret); - } + OPJ_BOOL ret; + ret = opj_sparse_array_int32_read(sa, + sa_col, dwt->win_l_x0, + sa_col + nb_elts_read, dwt->win_l_x1, + (OPJ_INT32*)(dwt->wavelet + dwt->cas + 2 * dwt->win_l_x0), + 1, 8, OPJ_TRUE); + assert(ret); + ret = opj_sparse_array_int32_read(sa, + sa_col, (OPJ_UINT32)dwt->sn + dwt->win_h_x0, + sa_col + nb_elts_read, (OPJ_UINT32)dwt->sn + dwt->win_h_x1, + (OPJ_INT32*)(dwt->wavelet + 1 - dwt->cas + 2 * dwt->win_h_x0), + 1, 8, OPJ_TRUE); + assert(ret); + OPJ_UNUSED(ret); } #ifdef __SSE__ @@ -2743,20 +2740,17 @@ OPJ_BOOL opj_dwt_decode_partial_97(opj_tcd_tilecomp_t* OPJ_RESTRICT tilec, if ((j + 3 >= win_ll_y0 && j < win_ll_y1) || (j + 3 >= win_lh_y0 + (OPJ_UINT32)v.sn && j < win_lh_y1 + (OPJ_UINT32)v.sn)) { - OPJ_UINT32 k; opj_v4dwt_interleave_partial_h(&h, sa, j, opj_uint_min(4U, rh - j)); opj_v4dwt_decode(&h); - for (k = 0; k < 4; k++) { - if (!opj_sparse_array_int32_write(sa, - win_tr_x0, j + k, - win_tr_x1, j + k + 1, - (OPJ_INT32*)&h.wavelet[win_tr_x0].f[k], - 4, 0, OPJ_TRUE)) { - /* FIXME event manager error callback */ - opj_sparse_array_int32_free(sa); - opj_aligned_free(h.wavelet); - return OPJ_FALSE; - } + if (!opj_sparse_array_int32_write(sa, + win_tr_x0, j, + win_tr_x1, j + 4, + (OPJ_INT32*)&h.wavelet[win_tr_x0].f[0], + 4, 1, OPJ_TRUE)) { + /* FIXME event manager error callback */ + opj_sparse_array_int32_free(sa); + opj_aligned_free(h.wavelet); + return OPJ_FALSE; } } } @@ -2765,20 +2759,17 @@ OPJ_BOOL opj_dwt_decode_partial_97(opj_tcd_tilecomp_t* OPJ_RESTRICT tilec, ((j + 3 >= win_ll_y0 && j < win_ll_y1) || (j + 3 >= win_lh_y0 + (OPJ_UINT32)v.sn && j < win_lh_y1 + (OPJ_UINT32)v.sn))) { - OPJ_UINT32 k; opj_v4dwt_interleave_partial_h(&h, sa, j, rh - j); opj_v4dwt_decode(&h); - for (k = 0; k < rh - j; k++) { - if (!opj_sparse_array_int32_write(sa, - win_tr_x0, j + k, - win_tr_x1, j + k + 1, - (OPJ_INT32*)&h.wavelet[win_tr_x0].f[k], - 4, 0, OPJ_TRUE)) { - /* FIXME event manager error callback */ - opj_sparse_array_int32_free(sa); - opj_aligned_free(h.wavelet); - return OPJ_FALSE; - } + if (!opj_sparse_array_int32_write(sa, + win_tr_x0, j, + win_tr_x1, rh, + (OPJ_INT32*)&h.wavelet[win_tr_x0].f[0], + 4, 1, OPJ_TRUE)) { + /* FIXME event manager error callback */ + opj_sparse_array_int32_free(sa); + opj_aligned_free(h.wavelet); + return OPJ_FALSE; } } @@ -2788,22 +2779,19 @@ OPJ_BOOL opj_dwt_decode_partial_97(opj_tcd_tilecomp_t* OPJ_RESTRICT tilec, v.win_h_x1 = win_lh_y1; for (j = win_tr_x0; j < win_tr_x1; j += 4) { OPJ_UINT32 nb_elts = opj_uint_min(4U, win_tr_x1 - j); - OPJ_UINT32 k; opj_v4dwt_interleave_partial_v(&v, sa, j, nb_elts); opj_v4dwt_decode(&v); - for (k = 0; k < nb_elts; k++) { - if (!opj_sparse_array_int32_write(sa, - j + k, win_tr_y0, - j + k + 1, win_tr_y1, - (OPJ_INT32*)&h.wavelet[win_tr_y0].f[k], - 0, 4, OPJ_TRUE)) { - /* FIXME event manager error callback */ - opj_sparse_array_int32_free(sa); - opj_aligned_free(h.wavelet); - return OPJ_FALSE; - } + if (!opj_sparse_array_int32_write(sa, + j, win_tr_y0, + j + nb_elts, win_tr_y1, + (OPJ_INT32*)&h.wavelet[win_tr_y0].f[0], + 1, 4, OPJ_TRUE)) { + /* FIXME event manager error callback */ + opj_sparse_array_int32_free(sa); + opj_aligned_free(h.wavelet); + return OPJ_FALSE; } } }