forked from jengelh/ffmpeg-5
Accepting request 1172423 from home:qzhao:branches:multimedia:libs
Add ffmpeg-Templatify-ff_gaussian_blur-and-ff-function.patch ffmpeg-CVE-2023-50010.patch ffmpeg-CVE-2023-50009.patch to fix CVE bugs. OBS-URL: https://build.opensuse.org/request/show/1172423 OBS-URL: https://build.opensuse.org/package/show/multimedia:libs/ffmpeg-5?expand=0&rev=91
This commit is contained in:
Git OBS Bridge
parent
3c3fb2af32
commit
651f9ba2dd
@ -1,3 +1,26 @@
|
|||||||
|
-------------------------------------------------------------------
|
||||||
|
Tue Apr 27 11:38:35 UTC 2024 - Cliff Zhao <qzhao@suse.com>
|
||||||
|
|
||||||
|
- Add ffmpeg-CVE-2023-50010.patch:
|
||||||
|
Backporting e4d2666b from upstream, fixes the out of array access.
|
||||||
|
(CVE-2023-50010 bsc#1223256)
|
||||||
|
|
||||||
|
-------------------------------------------------------------------
|
||||||
|
Tue Apr 26 12:18:26 UTC 2024 - Cliff Zhao <qzhao@suse.com>
|
||||||
|
|
||||||
|
- Add ffmpeg-CVE-2023-50009.patch:
|
||||||
|
Backporting c443658d from upstream, Fix small inputs with
|
||||||
|
gaussian_blur().
|
||||||
|
(CVE-2023-50009 bsc#1223255)
|
||||||
|
|
||||||
|
-------------------------------------------------------------------
|
||||||
|
Tue Apr 24 10:48:32 UTC 2024 - Cliff Zhao <qzhao@suse.com>
|
||||||
|
|
||||||
|
- Add ffmpeg-Templatify-ff_gaussian_blur-and-ff-function.patch:
|
||||||
|
Backporting cf1f5744 from upstream, Templatify function
|
||||||
|
ff_gaussian_blur and ff_sobel to prepare fix support for CVE-2023-50009.
|
||||||
|
(CVE-2023-50009 bsc#1223255)
|
||||||
|
|
||||||
-------------------------------------------------------------------
|
-------------------------------------------------------------------
|
||||||
Thu Apr 23 16:14:18 UTC 2024 - Cliff Zhao <qzhao@suse.com>
|
Thu Apr 23 16:14:18 UTC 2024 - Cliff Zhao <qzhao@suse.com>
|
||||||
|
|
||||||
|
|||||||
@ -125,6 +125,9 @@ Patch94: ffmpeg-CVE-2023-50007.patch
|
|||||||
Patch95: ffmpeg-CVE-2023-50008.patch
|
Patch95: ffmpeg-CVE-2023-50008.patch
|
||||||
Patch96: ffmpeg-CVE-2023-49502.patch
|
Patch96: ffmpeg-CVE-2023-49502.patch
|
||||||
Patch97: ffmpeg-CVE-2023-51793.patch
|
Patch97: ffmpeg-CVE-2023-51793.patch
|
||||||
|
Patch98: ffmpeg-Templatify-ff_gaussian_blur-and-ff-function.patch
|
||||||
|
Patch99: ffmpeg-CVE-2023-50009.patch
|
||||||
|
Patch100: ffmpeg-CVE-2023-50010.patch
|
||||||
%if %{with amf_sdk}
|
%if %{with amf_sdk}
|
||||||
BuildRequires: AMF-devel
|
BuildRequires: AMF-devel
|
||||||
%endif
|
%endif
|
||||||
|
|||||||
72
ffmpeg-CVE-2023-50009.patch
Normal file
72
ffmpeg-CVE-2023-50009.patch
Normal file
@ -0,0 +1,72 @@
|
|||||||
|
commit c443658d26d2b8e19901f9507a890e0efca79056 (HEAD -> 20231222_CVE-2023-50009_c443658d26d2b8e19901f9507a890e0efca79056)
|
||||||
|
Author: Michael Niedermayer <michael@niedermayer.cc>
|
||||||
|
Date: Fri Dec 22 11:54:24 2023 +0100
|
||||||
|
|
||||||
|
avfilter/edge_template: Fix small inputs with gaussian_blur()
|
||||||
|
|
||||||
|
Fixes: out of array access
|
||||||
|
Fixes: Ticket10699
|
||||||
|
Fixes: poc5ffmpeg
|
||||||
|
|
||||||
|
Found-by: Zeng Yunxiang
|
||||||
|
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
|
||||||
|
|
||||||
|
diff --git a/libavfilter/edge_template.c b/libavfilter/edge_template.c
|
||||||
|
index 14635c25af..ce45e579db 100644
|
||||||
|
--- a/libavfilter/edge_template.c
|
||||||
|
+++ b/libavfilter/edge_template.c
|
||||||
|
@@ -74,6 +74,7 @@ void fn(gaussian_blur)(int w, int h,
|
||||||
|
uint8_t *dst, int dst_linesize,
|
||||||
|
const uint8_t *src, int src_linesize, int src_stride)
|
||||||
|
{
|
||||||
|
+ int j;
|
||||||
|
pixel *srcp = (pixel *)src;
|
||||||
|
pixel *dstp = (pixel *)dst;
|
||||||
|
|
||||||
|
@@ -81,12 +82,17 @@ void fn(gaussian_blur)(int w, int h,
|
||||||
|
src_linesize /= sizeof(pixel);
|
||||||
|
dst_linesize /= sizeof(pixel);
|
||||||
|
|
||||||
|
- memcpy(dstp, srcp, w*sizeof(pixel)); dstp += dst_linesize; srcp += src_linesize;
|
||||||
|
- memcpy(dstp, srcp, w*sizeof(pixel)); dstp += dst_linesize; srcp += src_linesize;
|
||||||
|
- for (int j = 2; j < h - 2; j++) {
|
||||||
|
- dstp[0] = srcp[(0)*src_stride];
|
||||||
|
- dstp[1] = srcp[(1)*src_stride];
|
||||||
|
- for (int i = 2; i < w - 2; i++) {
|
||||||
|
+ for (j = 0; j < FFMIN(h, 2); j++) {
|
||||||
|
+ memcpy(dstp, srcp, w*sizeof(pixel));
|
||||||
|
+ dstp += dst_linesize;
|
||||||
|
+ srcp += src_linesize;
|
||||||
|
+ }
|
||||||
|
+
|
||||||
|
+ for (; j < h - 2; j++) {
|
||||||
|
+ int i;
|
||||||
|
+ for (i = 0; i < FFMIN(w, 2); i++)
|
||||||
|
+ dstp[i] = srcp[i*src_stride];
|
||||||
|
+ for (; i < w - 2; i++) {
|
||||||
|
/* Gaussian mask of size 5x5 with sigma = 1.4 */
|
||||||
|
dstp[i] = ((srcp[-2*src_linesize + (i-2)*src_stride] + srcp[2*src_linesize + (i-2)*src_stride]) * 2
|
||||||
|
+ (srcp[-2*src_linesize + (i-1)*src_stride] + srcp[2*src_linesize + (i-1)*src_stride]) * 4
|
||||||
|
@@ -106,12 +112,15 @@ void fn(gaussian_blur)(int w, int h,
|
||||||
|
+ srcp[(i+1)*src_stride] * 12
|
||||||
|
+ srcp[(i+2)*src_stride] * 5) / 159;
|
||||||
|
}
|
||||||
|
- dstp[w - 2] = srcp[(w - 2)*src_stride];
|
||||||
|
- dstp[w - 1] = srcp[(w - 1)*src_stride];
|
||||||
|
+ for (; i < w; i++)
|
||||||
|
+ dstp[i] = srcp[i*src_stride];
|
||||||
|
|
||||||
|
dstp += dst_linesize;
|
||||||
|
srcp += src_linesize;
|
||||||
|
}
|
||||||
|
- memcpy(dstp, srcp, w*sizeof(pixel)); dstp += dst_linesize; srcp += src_linesize;
|
||||||
|
- memcpy(dstp, srcp, w*sizeof(pixel));
|
||||||
|
+ for (; j < h; j++) {
|
||||||
|
+ memcpy(dstp, srcp, w*sizeof(pixel));
|
||||||
|
+ dstp += dst_linesize;
|
||||||
|
+ srcp += src_linesize;
|
||||||
|
+ }
|
||||||
|
}
|
||||||
|
--
|
||||||
|
2.41.0
|
||||||
|
|
||||||
28
ffmpeg-CVE-2023-50010.patch
Normal file
28
ffmpeg-CVE-2023-50010.patch
Normal file
@ -0,0 +1,28 @@
|
|||||||
|
commit e4d2666bdc3dbd177a81bbf428654a5f2fa3787a (20231224_CVE-2023-50010_e4d2666bdc3dbd177a81bbf428654a5f2fa3787a)
|
||||||
|
Author: Michael Niedermayer <michael@niedermayer.cc>
|
||||||
|
Date: Sun Dec 24 20:50:51 2023 +0100
|
||||||
|
|
||||||
|
avfilter/vf_gradfun: Do not overread last line
|
||||||
|
|
||||||
|
The code works in steps of 2 lines and lacks support for odd height
|
||||||
|
Implementing odd height support is better but for now this fixes the
|
||||||
|
out of array access
|
||||||
|
|
||||||
|
Fixes: out of array access
|
||||||
|
Fixes: tickets/10702/poc6ffmpe
|
||||||
|
|
||||||
|
Found-by: Zeng Yunxiang
|
||||||
|
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
|
||||||
|
|
||||||
|
diff -Nura ffmpeg-5.1.4/libavfilter/vf_gradfun.c ffmpeg-5.1.4_new/libavfilter/vf_gradfun.c
|
||||||
|
--- ffmpeg-5.1.4/libavfilter/vf_gradfun.c 2023-11-10 07:38:51.000000000 +0800
|
||||||
|
+++ ffmpeg-5.1.4_new/libavfilter/vf_gradfun.c 2024-05-07 19:36:59.563277057 +0800
|
||||||
|
@@ -92,7 +92,7 @@
|
||||||
|
for (y = 0; y < r; y++)
|
||||||
|
ctx->blur_line(dc, buf + y * bstride, buf + (y - 1) * bstride, src + 2 * y * src_linesize, src_linesize, width / 2);
|
||||||
|
for (;;) {
|
||||||
|
- if (y < height - r) {
|
||||||
|
+ if (y + 1 < height - r) {
|
||||||
|
int mod = ((y + r) / 2) % r;
|
||||||
|
uint16_t *buf0 = buf + mod * bstride;
|
||||||
|
uint16_t *buf1 = buf + (mod ? mod - 1 : r - 1) * bstride;
|
||||||
310
ffmpeg-Templatify-ff_gaussian_blur-and-ff-function.patch
Normal file
310
ffmpeg-Templatify-ff_gaussian_blur-and-ff-function.patch
Normal file
@ -0,0 +1,310 @@
|
|||||||
|
commit cf1f57443158bcbe84a213e8dc631a302993f9a2
|
||||||
|
Author: Thilo Borgmann <thilo.borgmann@mail.de>
|
||||||
|
Date: Mon Jul 18 16:09:46 2022 +0200
|
||||||
|
|
||||||
|
lavfi/edge_common: Templatify ff_gaussian_blur and ff_sobel
|
||||||
|
|
||||||
|
diff --git a/libavfilter/edge_common.c b/libavfilter/edge_common.c
|
||||||
|
index d72e8521cd..ebd47d7c53 100644
|
||||||
|
--- a/libavfilter/edge_common.c
|
||||||
|
+++ b/libavfilter/edge_common.c
|
||||||
|
@@ -46,33 +46,13 @@ static int get_rounded_direction(int gx, int gy)
|
||||||
|
return DIRECTION_VERTICAL;
|
||||||
|
}
|
||||||
|
|
||||||
|
-// Simple sobel operator to get rounded gradients
|
||||||
|
-void ff_sobel(int w, int h,
|
||||||
|
- uint16_t *dst, int dst_linesize,
|
||||||
|
- int8_t *dir, int dir_linesize,
|
||||||
|
- const uint8_t *src, int src_linesize)
|
||||||
|
-{
|
||||||
|
- int i, j;
|
||||||
|
-
|
||||||
|
- for (j = 1; j < h - 1; j++) {
|
||||||
|
- dst += dst_linesize;
|
||||||
|
- dir += dir_linesize;
|
||||||
|
- src += src_linesize;
|
||||||
|
- for (i = 1; i < w - 1; i++) {
|
||||||
|
- const int gx =
|
||||||
|
- -1*src[-src_linesize + i-1] + 1*src[-src_linesize + i+1]
|
||||||
|
- -2*src[ i-1] + 2*src[ i+1]
|
||||||
|
- -1*src[ src_linesize + i-1] + 1*src[ src_linesize + i+1];
|
||||||
|
- const int gy =
|
||||||
|
- -1*src[-src_linesize + i-1] + 1*src[ src_linesize + i-1]
|
||||||
|
- -2*src[-src_linesize + i ] + 2*src[ src_linesize + i ]
|
||||||
|
- -1*src[-src_linesize + i+1] + 1*src[ src_linesize + i+1];
|
||||||
|
+#undef DEPTH
|
||||||
|
+#define DEPTH 8
|
||||||
|
+#include "edge_template.c"
|
||||||
|
|
||||||
|
- dst[i] = FFABS(gx) + FFABS(gy);
|
||||||
|
- dir[i] = get_rounded_direction(gx, gy);
|
||||||
|
- }
|
||||||
|
- }
|
||||||
|
-}
|
||||||
|
+#undef DEPTH
|
||||||
|
+#define DEPTH 16
|
||||||
|
+#include "edge_template.c"
|
||||||
|
|
||||||
|
// Filters rounded gradients to drop all non-maxima
|
||||||
|
// Expects gradients generated by ff_sobel()
|
||||||
|
@@ -137,45 +117,3 @@ void ff_double_threshold(int low, int high, int w, int h,
|
||||||
|
src += src_linesize;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
-
|
||||||
|
-// Applies gaussian blur, using 5x5 kernels, sigma = 1.4
|
||||||
|
-void ff_gaussian_blur(int w, int h,
|
||||||
|
- uint8_t *dst, int dst_linesize,
|
||||||
|
- const uint8_t *src, int src_linesize)
|
||||||
|
-{
|
||||||
|
- int i, j;
|
||||||
|
-
|
||||||
|
- memcpy(dst, src, w); dst += dst_linesize; src += src_linesize;
|
||||||
|
- memcpy(dst, src, w); dst += dst_linesize; src += src_linesize;
|
||||||
|
- for (j = 2; j < h - 2; j++) {
|
||||||
|
- dst[0] = src[0];
|
||||||
|
- dst[1] = src[1];
|
||||||
|
- for (i = 2; i < w - 2; i++) {
|
||||||
|
- /* Gaussian mask of size 5x5 with sigma = 1.4 */
|
||||||
|
- dst[i] = ((src[-2*src_linesize + i-2] + src[2*src_linesize + i-2]) * 2
|
||||||
|
- + (src[-2*src_linesize + i-1] + src[2*src_linesize + i-1]) * 4
|
||||||
|
- + (src[-2*src_linesize + i ] + src[2*src_linesize + i ]) * 5
|
||||||
|
- + (src[-2*src_linesize + i+1] + src[2*src_linesize + i+1]) * 4
|
||||||
|
- + (src[-2*src_linesize + i+2] + src[2*src_linesize + i+2]) * 2
|
||||||
|
-
|
||||||
|
- + (src[ -src_linesize + i-2] + src[ src_linesize + i-2]) * 4
|
||||||
|
- + (src[ -src_linesize + i-1] + src[ src_linesize + i-1]) * 9
|
||||||
|
- + (src[ -src_linesize + i ] + src[ src_linesize + i ]) * 12
|
||||||
|
- + (src[ -src_linesize + i+1] + src[ src_linesize + i+1]) * 9
|
||||||
|
- + (src[ -src_linesize + i+2] + src[ src_linesize + i+2]) * 4
|
||||||
|
-
|
||||||
|
- + src[i-2] * 5
|
||||||
|
- + src[i-1] * 12
|
||||||
|
- + src[i ] * 15
|
||||||
|
- + src[i+1] * 12
|
||||||
|
- + src[i+2] * 5) / 159;
|
||||||
|
- }
|
||||||
|
- dst[i ] = src[i ];
|
||||||
|
- dst[i + 1] = src[i + 1];
|
||||||
|
-
|
||||||
|
- dst += dst_linesize;
|
||||||
|
- src += src_linesize;
|
||||||
|
- }
|
||||||
|
- memcpy(dst, src, w); dst += dst_linesize; src += src_linesize;
|
||||||
|
- memcpy(dst, src, w);
|
||||||
|
-}
|
||||||
|
diff --git a/libavfilter/edge_common.h b/libavfilter/edge_common.h
|
||||||
|
index 87c143f2b8..cff4febd70 100644
|
||||||
|
--- a/libavfilter/edge_common.h
|
||||||
|
+++ b/libavfilter/edge_common.h
|
||||||
|
@@ -48,10 +48,14 @@ enum AVRoundedDirection {
|
||||||
|
* @param src data pointers to source image
|
||||||
|
* @param src_linesize linesizes for the source image
|
||||||
|
*/
|
||||||
|
-void ff_sobel(int w, int h,
|
||||||
|
- uint16_t *dst, int dst_linesize,
|
||||||
|
- int8_t *dir, int dir_linesize,
|
||||||
|
- const uint8_t *src, int src_linesize);
|
||||||
|
+#define PROTO_SOBEL(depth) \
|
||||||
|
+void ff_sobel_##depth(int w, int h, \
|
||||||
|
+ uint16_t *dst, int dst_linesize, \
|
||||||
|
+ int8_t *dir, int dir_linesize, \
|
||||||
|
+ const uint8_t *src, int src_linesize, int src_stride);
|
||||||
|
+
|
||||||
|
+PROTO_SOBEL(8)
|
||||||
|
+PROTO_SOBEL(16)
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Filters rounded gradients to drop all non-maxima pixels in the magnitude image
|
||||||
|
@@ -100,8 +104,12 @@ void ff_double_threshold(int low, int high, int w, int h,
|
||||||
|
* @param src data pointers to source image
|
||||||
|
* @param src_linesize linesizes for the source image
|
||||||
|
*/
|
||||||
|
-void ff_gaussian_blur(int w, int h,
|
||||||
|
- uint8_t *dst, int dst_linesize,
|
||||||
|
- const uint8_t *src, int src_linesize);
|
||||||
|
+#define PROTO_GAUSSIAN_BLUR(depth) \
|
||||||
|
+void ff_gaussian_blur_##depth(int w, int h, \
|
||||||
|
+ uint8_t *dst, int dst_linesize, \
|
||||||
|
+ const uint8_t *src, int src_linesize, int src_stride);
|
||||||
|
+
|
||||||
|
+PROTO_GAUSSIAN_BLUR(8)
|
||||||
|
+PROTO_GAUSSIAN_BLUR(16)
|
||||||
|
|
||||||
|
#endif
|
||||||
|
diff --git a/libavfilter/edge_template.c b/libavfilter/edge_template.c
|
||||||
|
new file mode 100644
|
||||||
|
index 0000000000..af33c178af
|
||||||
|
--- /dev/null
|
||||||
|
+++ b/libavfilter/edge_template.c
|
||||||
|
@@ -0,0 +1,118 @@
|
||||||
|
+/*
|
||||||
|
+ * Copyright (c) 2022 Thilo Borgmann <thilo.borgmann _at_ mail.de>
|
||||||
|
+ *
|
||||||
|
+ * This file is part of FFmpeg.
|
||||||
|
+ *
|
||||||
|
+ * FFmpeg 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.
|
||||||
|
+ *
|
||||||
|
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
|
||||||
|
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||||
|
+ * Redistribution and use in source and binary forms, with or without modification,
|
||||||
|
+ * are permitted provided that the following conditions are met:
|
||||||
|
+ */
|
||||||
|
+
|
||||||
|
+#include "libavutil/avassert.h"
|
||||||
|
+#include "avfilter.h"
|
||||||
|
+#include "formats.h"
|
||||||
|
+#include "internal.h"
|
||||||
|
+#include "video.h"
|
||||||
|
+
|
||||||
|
+#undef pixel
|
||||||
|
+#if DEPTH == 8
|
||||||
|
+#define pixel uint8_t
|
||||||
|
+#else
|
||||||
|
+#define pixel uint16_t
|
||||||
|
+#endif
|
||||||
|
+
|
||||||
|
+#undef fn
|
||||||
|
+#undef fn2
|
||||||
|
+#undef fn3
|
||||||
|
+#define fn3(a,b) ff_##a##_##b
|
||||||
|
+#define fn2(a,b) fn3(a,b)
|
||||||
|
+#define fn(a) fn2(a, DEPTH)
|
||||||
|
+
|
||||||
|
+void fn(sobel)(int w, int h,
|
||||||
|
+ uint16_t *dst, int dst_linesize,
|
||||||
|
+ int8_t *dir, int dir_linesize,
|
||||||
|
+ const uint8_t *src, int src_linesize, int src_stride)
|
||||||
|
+{
|
||||||
|
+ pixel *srcp = (pixel *)src;
|
||||||
|
+
|
||||||
|
+ src_stride /= sizeof(pixel);
|
||||||
|
+ src_linesize /= sizeof(pixel);
|
||||||
|
+ dst_linesize /= sizeof(pixel);
|
||||||
|
+
|
||||||
|
+ for (int j = 1; j < h - 1; j++) {
|
||||||
|
+ dst += dst_linesize;
|
||||||
|
+ dir += dir_linesize;
|
||||||
|
+ srcp += src_linesize;
|
||||||
|
+ for (int i = 1; i < w - 1; i++) {
|
||||||
|
+ const int gx =
|
||||||
|
+ -1*srcp[-src_linesize + (i-1)*src_stride] + 1*srcp[-src_linesize + (i+1)*src_stride]
|
||||||
|
+ -2*srcp[ (i-1)*src_stride] + 2*srcp[ (i+1)*src_stride]
|
||||||
|
+ -1*srcp[ src_linesize + (i-1)*src_stride] + 1*srcp[ src_linesize + (i+1)*src_stride];
|
||||||
|
+ const int gy =
|
||||||
|
+ -1*srcp[-src_linesize + (i-1)*src_stride] + 1*srcp[ src_linesize + (i-1)*src_stride]
|
||||||
|
+ -2*srcp[-src_linesize + (i )*src_stride] + 2*srcp[ src_linesize + (i )*src_stride]
|
||||||
|
+ -1*srcp[-src_linesize + (i+1)*src_stride] + 1*srcp[ src_linesize + (i+1)*src_stride];
|
||||||
|
+
|
||||||
|
+ dst[i] = FFABS(gx) + FFABS(gy);
|
||||||
|
+ dir[i] = get_rounded_direction(gx, gy);
|
||||||
|
+ }
|
||||||
|
+ }
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
+void fn(gaussian_blur)(int w, int h,
|
||||||
|
+ uint8_t *dst, int dst_linesize,
|
||||||
|
+ const uint8_t *src, int src_linesize, int src_stride)
|
||||||
|
+{
|
||||||
|
+ pixel *srcp = (pixel *)src;
|
||||||
|
+ pixel *dstp = (pixel *)dst;
|
||||||
|
+
|
||||||
|
+ src_stride /= sizeof(pixel);
|
||||||
|
+ src_linesize /= sizeof(pixel);
|
||||||
|
+ dst_linesize /= sizeof(pixel);
|
||||||
|
+
|
||||||
|
+ memcpy(dstp, srcp, w*sizeof(pixel)); dstp += dst_linesize; srcp += src_linesize;
|
||||||
|
+ memcpy(dstp, srcp, w*sizeof(pixel)); dstp += dst_linesize; srcp += src_linesize;
|
||||||
|
+ for (int j = 2; j < h - 2; j++) {
|
||||||
|
+ dstp[0] = srcp[(0)*src_stride];
|
||||||
|
+ dstp[1] = srcp[(1)*src_stride];
|
||||||
|
+ for (int i = 2; i < w - 2; i++) {
|
||||||
|
+ /* Gaussian mask of size 5x5 with sigma = 1.4 */
|
||||||
|
+ dstp[i] = ((srcp[-2*src_linesize + (i-2)*src_stride] + srcp[2*src_linesize + (i-2)*src_stride]) * 2
|
||||||
|
+ + (srcp[-2*src_linesize + (i-1)*src_stride] + srcp[2*src_linesize + (i-1)*src_stride]) * 4
|
||||||
|
+ + (srcp[-2*src_linesize + (i )*src_stride] + srcp[2*src_linesize + (i )*src_stride]) * 5
|
||||||
|
+ + (srcp[-2*src_linesize + (i+1)*src_stride] + srcp[2*src_linesize + (i+1)*src_stride]) * 4
|
||||||
|
+ + (srcp[-2*src_linesize + (i+2)*src_stride] + srcp[2*src_linesize + (i+2)*src_stride]) * 2
|
||||||
|
+
|
||||||
|
+ + (srcp[ -src_linesize + (i-2)*src_stride] + srcp[ src_linesize + (i-2)*src_stride]) * 4
|
||||||
|
+ + (srcp[ -src_linesize + (i-1)*src_stride] + srcp[ src_linesize + (i-1)*src_stride]) * 9
|
||||||
|
+ + (srcp[ -src_linesize + (i )*src_stride] + srcp[ src_linesize + (i )*src_stride]) * 12
|
||||||
|
+ + (srcp[ -src_linesize + (i+1)*src_stride] + srcp[ src_linesize + (i+1)*src_stride]) * 9
|
||||||
|
+ + (srcp[ -src_linesize + (i+2)*src_stride] + srcp[ src_linesize + (i+2)*src_stride]) * 4
|
||||||
|
+
|
||||||
|
+ + srcp[(i-2)*src_stride] * 5
|
||||||
|
+ + srcp[(i-1)*src_stride] * 12
|
||||||
|
+ + srcp[(i )*src_stride] * 15
|
||||||
|
+ + srcp[(i+1)*src_stride] * 12
|
||||||
|
+ + srcp[(i+2)*src_stride] * 5) / 159;
|
||||||
|
+ }
|
||||||
|
+ dstp[w - 2] = srcp[(w - 2)*src_stride];
|
||||||
|
+ dstp[w - 1] = srcp[(w - 1)*src_stride];
|
||||||
|
+
|
||||||
|
+ dstp += dst_linesize;
|
||||||
|
+ srcp += src_linesize;
|
||||||
|
+ }
|
||||||
|
+ memcpy(dstp, srcp, w*sizeof(pixel)); dstp += dst_linesize; srcp += src_linesize;
|
||||||
|
+ memcpy(dstp, srcp, w*sizeof(pixel));
|
||||||
|
+}
|
||||||
|
diff --git a/libavfilter/vf_blurdetect.c b/libavfilter/vf_blurdetect.c
|
||||||
|
index 0e08ba96de..db06efcce7 100644
|
||||||
|
--- a/libavfilter/vf_blurdetect.c
|
||||||
|
+++ b/libavfilter/vf_blurdetect.c
|
||||||
|
@@ -283,12 +283,12 @@ static int blurdetect_filter_frame(AVFilterLink *inlink, AVFrame *in)
|
||||||
|
nplanes++;
|
||||||
|
|
||||||
|
// gaussian filter to reduce noise
|
||||||
|
- ff_gaussian_blur(w, h,
|
||||||
|
- filterbuf, w,
|
||||||
|
- in->data[plane], in->linesize[plane]);
|
||||||
|
+ ff_gaussian_blur_8(w, h,
|
||||||
|
+ filterbuf, w,
|
||||||
|
+ in->data[plane], in->linesize[plane], 1);
|
||||||
|
|
||||||
|
// compute the 16-bits gradients and directions for the next step
|
||||||
|
- ff_sobel(w, h, gradients, w, directions, w, filterbuf, w);
|
||||||
|
+ ff_sobel_8(w, h, gradients, w, directions, w, filterbuf, w, 1);
|
||||||
|
|
||||||
|
// non_maximum_suppression() will actually keep & clip what's necessary and
|
||||||
|
// ignore the rest, so we need a clean output buffer
|
||||||
|
diff --git a/libavfilter/vf_edgedetect.c b/libavfilter/vf_edgedetect.c
|
||||||
|
index 90390ceb3e..603f06f141 100644
|
||||||
|
--- a/libavfilter/vf_edgedetect.c
|
||||||
|
+++ b/libavfilter/vf_edgedetect.c
|
||||||
|
@@ -191,15 +191,15 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
||||||
|
}
|
||||||
|
|
||||||
|
/* gaussian filter to reduce noise */
|
||||||
|
- ff_gaussian_blur(width, height,
|
||||||
|
- tmpbuf, width,
|
||||||
|
- in->data[p], in->linesize[p]);
|
||||||
|
+ ff_gaussian_blur_8(width, height,
|
||||||
|
+ tmpbuf, width,
|
||||||
|
+ in->data[p], in->linesize[p], 1);
|
||||||
|
|
||||||
|
/* compute the 16-bits gradients and directions for the next step */
|
||||||
|
- ff_sobel(width, height,
|
||||||
|
- gradients, width,
|
||||||
|
- directions,width,
|
||||||
|
- tmpbuf, width);
|
||||||
|
+ ff_sobel_8(width, height,
|
||||||
|
+ gradients, width,
|
||||||
|
+ directions,width,
|
||||||
|
+ tmpbuf, width, 1);
|
||||||
|
|
||||||
|
/* non_maximum_suppression() will actually keep & clip what's necessary and
|
||||||
|
* ignore the rest, so we need a clean output buffer */
|
||||||
|
--
|
||||||
|
2.41.0
|
||||||
|
|
||||||
Loading…
Reference in New Issue
Block a user