diff options
author | Michele Calgaro <michele.calgaro@yahoo.it> | 2014-03-29 00:54:51 +0900 |
---|---|---|
committer | Michele Calgaro <michele.calgaro@yahoo.it> | 2014-03-29 00:54:51 +0900 |
commit | 0486034738b850c210b1389a8c3ae51a6b9fad23 (patch) | |
tree | b1e3a4dbf9673b5e0031e8225e88f5dd490585a5 /kopete/protocols/msn/webcam/libmimic/deblock.c | |
parent | 4bd7620e88d450995b78c201f9e7d9181f62ea6a (diff) | |
download | tdenetwork-0486034738b850c210b1389a8c3ae51a6b9fad23.tar.gz tdenetwork-0486034738b850c210b1389a8c3ae51a6b9fad23.zip |
Removed MSN support across Kopete by removing the MSN protocol and the netmeeting plugin.
This resolves bug 1547.
Diffstat (limited to 'kopete/protocols/msn/webcam/libmimic/deblock.c')
-rw-r--r-- | kopete/protocols/msn/webcam/libmimic/deblock.c | 450 |
1 files changed, 0 insertions, 450 deletions
diff --git a/kopete/protocols/msn/webcam/libmimic/deblock.c b/kopete/protocols/msn/webcam/libmimic/deblock.c deleted file mode 100644 index 02218d36..00000000 --- a/kopete/protocols/msn/webcam/libmimic/deblock.c +++ /dev/null @@ -1,450 +0,0 @@ -/* Copyright (C) 2005 Ole André Vadla Ravnås <oleavr@gmail.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <stdlib.h> -#include <string.h> -#include "mimic-private.h" - -static void deblock_horizontal(guchar *blocks, guint stride, guint row_count); -static void deblock_vertical(guchar *blocks, guint stride, guint row_count); - -static gboolean deblock_h_consider_entire(guchar *blocks, guint stride); -static void deblock_h_do_entire(guchar *blocks, guint stride); -static void deblock_h_do_boundaries(guchar *blocks, guint stride); - -static gboolean deblock_v_consider_entire(guchar *blocks, guint stride); -static void deblock_v_do_entire(guchar *blocks, guint stride); -static void deblock_v_do_boundaries(guchar *blocks, guint stride); - -/* - * _deblock - * - * Internal helper-function used for de-blocking. - */ -void _deblock(guchar *blocks, guint stride, guint row_count) -{ - deblock_horizontal(blocks, stride, row_count); - deblock_vertical(blocks, stride, row_count); -} - -static void deblock_horizontal(guchar *blocks, guint stride, guint row_count) -{ - guchar *p1; - gint i, j, n1, n2; - - if (stride <= 8 || row_count == 0) - return; - - p1 = blocks + 4; - n1 = ((row_count - 1) >> 2) + 1; - n2 = ((stride - 9) >> 3) + 1; - - for (i = 0; i < n1; i++) { - guchar *p; - - p = p1; - - for (j = 0; j < n2; j++) { - - if (deblock_h_consider_entire(p - 1, stride) == TRUE) { - - gint v1, v2, v; - - v1 = p[0]; - v2 = p[7]; - - v = v1 - v2; - if (v <= 0) - v = v2 - v1; - - if (v < 20) - deblock_h_do_entire(p - 1, stride); - - } else { - deblock_h_do_boundaries(p - 1, stride); - } - - p += 8; - } - - p1 += stride * 4; - } -} - -static void deblock_vertical(guchar *blocks, guint stride, guint row_count) -{ - gint i, j, k, n1, n2; - guchar *p1, *p2; - - if (stride == 0 || row_count <= 8) - return; - - p1 = blocks + (stride * 3); - p2 = blocks + (stride * 4); - - n1 = ((row_count - 9) >> 3) + 1; - n2 = ((stride - 1) >> 3) + 1; - - for (i = 0; i < n1; i++) { - guchar *p3, *p4; - - p3 = p1; - p4 = p2; - - for (j = 0; j < n2; j++) { - - if (deblock_v_consider_entire(p3, stride) == TRUE) { - guchar *p5; - gboolean do_entire; - - p5 = p3 + (stride * 8); - do_entire = TRUE; - - for (k = 0; k < 8; k++) { - gint v1, v2, v; - - v1 = p4[k]; - v2 = p5[k]; - - v = v1 - v2; - if (v <= 0) - v = v2 - v1; - - if (v > 20) { - do_entire = FALSE; - break; - } - } - - if (do_entire) - deblock_v_do_entire(p3, stride); - } else { - deblock_v_do_boundaries(p3, stride); - } - - p3 += 8; - p4 += 8; - } - - p1 += stride * 8; - p2 += stride * 8; - } -} - -static gboolean deblock_h_consider_entire(guchar *blocks, guint stride) -{ - guchar *p; - gint i, j, count; - - count = 0; - p = blocks; - - for (i = 0; i < 4; i++) { - - for (j = 1; j <= 7; j++) { - gint v1, v2, v; - - v1 = p[j]; - v2 = p[j+1]; - - v = v1 - v2; - if (v <= 0) - v = v2 - v1; - - if (v <= 1) - count--; - } - - p += stride; - } - - return (count <= -20); -} - -static void deblock_h_do_entire(guchar *blocks, guint stride) -{ - guchar buf[8], *p; - gint i; - - p = blocks; - - for (i = 0; i < 4; i++) { - gint v, low, high; - - v = p[0] - p[1]; - if (v <= 0) - v = p[1] - p[0]; - - if (v < 10) - low = p[0]; - else - low = p[1]; - - v = p[8] - p[9]; - if (v <= 0) - v = p[9] - p[8]; - - if (v >= 10) - high = p[8]; - else - high = p[9]; - - v = (low * 3) + p[1] + p[2] + p[3] + p[4] + 4; - buf[0] = (((p[1] + v) << 1) - p[4] + p[5]) >> 4; - - v += p[5] - low; - buf[1] = (((p[2] + v) << 1) - p[5] + p[6]) >> 4; - - v += p[6] - low; - buf[2] = (((p[3] + v) << 1) - p[6] + p[7]) >> 4; - - v += p[7] - low; - buf[3] = (((p[4] + v) << 1) - p[1] - p[7] + p[8] + low) >> 4; - - v += p[8] - p[1]; - buf[4] = (((p[5] + v) << 1) + p[1] - p[2] - p[8] + high) >> 4; - - v += high - p[2]; - buf[5] = (((p[6] + v) << 1) + p[2] - p[3]) >> 4; - - v += high - p[3]; - buf[6] = (((p[7] + v) << 1) + p[3] - p[4]) >> 4; - - v += high; - buf[7] = (((p[8] + v) << 1) - p[4] - p[5]) >> 4; - - memcpy(p + 1, buf, 8); - - p += stride; - } -} - -static void deblock_h_do_boundaries(guchar *blocks, guint stride) -{ - guchar *p; - gint i; - - p = blocks; - - for (i = 0; i < 4; i++) { - gint v, v1, v2, v3; - - v = p[4] - p[5]; - - if ((v / 2) != 0) { - - v1 = ((p[3] - p[6]) * 2) - (v * 5); - - if (abs(v1) < 80) { - - v2 = ((p[3] - p[2]) * 5) + ((p[1] - p[4]) * 2); - v3 = (p[5] * 2) + (p[7] * 5) - (p[8] * 7); - - v = abs(v1) - MIN(abs(v2), abs(v3)); - - if (v > 0) { - - v = ((v * 5) + 32) >> 6; - if (v > 0) { - - v2 = (p[4] - p[5]) / 2; - v3 = (((v1 < 0) * 2) - 1) * v; - - if (v2 > 0) - v = MIN(v2, ((v3 < 0) - 1) & v3); - else - v = MAX(v2, ((v3 > 0) - 1) & v3); - - p[4] -= v; - p[5] += v; - } - } - } - } - - p += stride; - } -} - -static gboolean deblock_v_consider_entire(guchar *blocks, guint stride) -{ - gint count, i, j; - guchar *p1, *p2; - - count = 0; - - p1 = blocks + stride; - p2 = blocks + (stride * 2); - - for (i = 0; i < 7; i++) { - - for (j = 0; j < 8; j++) { - gint v1, v2, v; - - v1 = p1[j]; - v2 = p2[j]; - - v = v1 - v2; - if (v <= 0) - v = v2 - v1; - - if (v <= 1) - count++; - } - - p1 += stride; - p2 += stride; - } - - return (count > 40); -} - -static void deblock_v_do_entire(guchar *blocks, guint stride) -{ - gint offset0, offset1, offset2, offset3; - gint offset4, offset5, offset6, offset7; - gint offset8, i; - guchar *p, buf[8]; - - offset0 = stride - (stride * 6); - offset1 = (stride * 2) - (stride * 6); - offset2 = (stride * 3) - (stride * 6); - offset3 = (stride * 4) - (stride * 6); - offset4 = (stride * 5) - (stride * 6); - offset5 = 0; - offset6 = (stride * 7) - (stride * 6); - offset7 = (stride * 8) - (stride * 6); - offset8 = (stride * 9) - (stride * 6); - - p = blocks + (stride * 6); - - for (i = 0; i < 8; i++) { - gint v, low, high; - - v = blocks[i] - p[offset0]; - if (v <= 0) - v = p[offset0] - blocks[i]; - - if (v < 10) - low = blocks[i]; - else - low = p[offset0]; - - v = p[offset7] - p[offset8]; - if (v <= 0) - v = p[offset8] - p[offset7]; - - if (v < 10) - high = p[offset8]; - else - high = p[offset7]; - - v = p[offset0] + (low * 3) + p[offset1] + p[offset2] + p[offset3] + 4; - - buf[0] = (((p[offset0] + v) << 1) - p[offset3] + p[offset4]) >> 4; - - v += p[offset4] - low; - - buf[1] = (((p[offset1] + v) << 1) - p[offset4] + p[0]) >> 4; - - v += p[0] - low; - - buf[2] = (((p[offset2] + v) << 1) - p[0] + p[offset6]) >> 4; - - v += p[offset6] - low; - - buf[3] = (((p[offset3] + v) << 1) - p[offset0] - p[offset6] + p[offset7] + low) >> 4; - - v += p[offset7] - p[offset0]; - - buf[4] = (((p[offset4] + v) << 1) - p[offset7] - p[offset1] + p[offset0] + high) >> 4; - - v += high - p[offset1]; - - buf[5] = (((p[0] + v) << 1) - p[offset2] + p[offset1]) >> 4; - - v += high - p[offset2]; - - buf[6] = (((p[offset6] + v) << 1) - p[offset3] + p[offset2]) >> 4; - - v += high; - - buf[7] = (((p[offset7] + v) << 1) - p[offset4] - p[offset3]) >> 4; - - p[offset0] = buf[0]; - p[offset1] = buf[1]; - p[offset2] = buf[2]; - p[offset3] = buf[3]; - p[offset4] = buf[4]; - p[offset5] = buf[5]; - p[offset6] = buf[6]; - p[offset7] = buf[7]; - - p++; - } -} - -static void deblock_v_do_boundaries(guchar *blocks, guint stride) -{ - guchar *p; - gint offset0, offset1, offset2, offset3; - gint offset4, offset5, offset6, offset7; - gint i; - - p = blocks + (stride * 3); - - offset0 = stride - (stride * 3); - offset1 = (stride * 2) - (stride * 3); - offset2 = 0; - offset3 = (stride * 4) - (stride * 3); - offset4 = (stride * 5) - (stride * 3); - offset5 = (stride * 6) - (stride * 3); - offset6 = (stride * 7) - (stride * 3); - offset7 = (stride * 8) - (stride * 3); - - for (i = 0; i < 8; i++) { - gint v1, v2, v3, v; - - v1 = ((p[offset4] - p[offset3]) * 5) + ((p[offset2] - p[offset5]) * 2); - - if (abs(v1) < 80) { - - v2 = ((p[offset2] - p[offset1]) * 5) + ((p[offset0] - p[offset3]) * 2); - v3 = ((p[offset6] - p[offset5]) * 5) + ((p[offset4] - p[offset7]) * 2); - - v = abs(v1) - MIN(abs(v2), abs(v3)); - if (v < 0) - v = 0; - - v2 = (p[offset3] - p[offset4]) / 2; - v3 = (((v * 5) + 32) >> 6) * (((v1 < 0) * 2) - 1); - - if (v2 > 0) - v = MIN(v2, ((v3 < 0) - 1) & v3); - else - v = MAX(v2, ((v3 > 0) - 1) & v3); - } else { - v = 0; - } - - p[offset3] -= v; - p[offset4] += v; - - p++; - } -} - |