Originally committed as revision 25118 to svn://svn.ffmpeg.org/ffmpeg/trunk
Stefano Sabatini authored on 2010/09/14 22:21:13... | ... |
@@ -164,6 +164,7 @@ External library support: |
164 | 164 |
--enable-bzlib enable bzlib [autodetect] |
165 | 165 |
--enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no] |
166 | 166 |
--enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no] |
167 |
+ --enable-libopencv enable video filtering via libopencv [no] |
|
167 | 168 |
--enable-libdc1394 enable IIDC-1394 grabbing using libdc1394 |
168 | 169 |
and libraw1394 [no] |
169 | 170 |
--enable-libdirac enable Dirac support via libdirac [no] |
... | ... |
@@ -887,6 +888,7 @@ CONFIG_LIST=" |
887 | 887 |
libnut |
888 | 888 |
libopencore_amrnb |
889 | 889 |
libopencore_amrwb |
890 |
+ libopencv |
|
890 | 891 |
libopenjpeg |
891 | 892 |
librtmp |
892 | 893 |
libschroedinger |
... | ... |
@@ -1390,6 +1392,9 @@ rtp_protocol_select="udp_protocol" |
1390 | 1390 |
tcp_protocol_deps="network" |
1391 | 1391 |
udp_protocol_deps="network" |
1392 | 1392 |
|
1393 |
+# filters |
|
1394 |
+ocv_smooth_filter_deps="libopencv" |
|
1395 |
+ |
|
1393 | 1396 |
# libraries |
1394 | 1397 |
avdevice_deps="avcodec avformat" |
1395 | 1398 |
avformat_deps="avcodec" |
... | ... |
@@ -2713,6 +2718,8 @@ enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame |
2713 | 2713 |
enabled libnut && require libnut libnut.h nut_demuxer_init -lnut |
2714 | 2714 |
enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb |
2715 | 2715 |
enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb |
2716 |
+enabled libopencv && { check_lib opencv/cv.h cvCreateImageHeader $(pkg-config --libs opencv) || |
|
2717 |
+ die "ERROR: libopencv not found"; } |
|
2716 | 2718 |
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg |
2717 | 2719 |
enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) || |
2718 | 2720 |
die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; } |
... | ... |
@@ -2997,6 +3004,7 @@ echo "libmp3lame enabled ${libmp3lame-no}" |
2997 | 2997 |
echo "libnut enabled ${libnut-no}" |
2998 | 2998 |
echo "libopencore-amrnb support ${libopencore_amrnb-no}" |
2999 | 2999 |
echo "libopencore-amrwb support ${libopencore_amrwb-no}" |
3000 |
+echo "libopencv support ${libopencv-no}" |
|
3000 | 3001 |
echo "libopenjpeg enabled ${libopenjpeg-no}" |
3001 | 3002 |
echo "librtmp enabled ${librtmp-no}" |
3002 | 3003 |
echo "libschroedinger enabled ${libschroedinger-no}" |
... | ... |
@@ -112,6 +112,33 @@ input to the vflip filter. |
112 | 112 |
|
113 | 113 |
Pass the video source unchanged to the output. |
114 | 114 |
|
115 |
+@section ocv_smooth |
|
116 |
+ |
|
117 |
+Apply smooth transform using libopencv. |
|
118 |
+ |
|
119 |
+To enable this filter install libopencv library and headers and |
|
120 |
+configure FFmpeg with --enable-libopencv. |
|
121 |
+ |
|
122 |
+It accepts the following parameters: |
|
123 |
+@var{type}:@var{param1}:@var{param2}:@var{param3}:@var{param4}. |
|
124 |
+ |
|
125 |
+@var{type} is the type of smooth filter to apply, and can be one of |
|
126 |
+the following value: "blur", "blur_no_scale", "median", "gaussian", |
|
127 |
+"bilateral". The default value is "gaussian". |
|
128 |
+ |
|
129 |
+@var{param1}, @var{param2}, @var{param3}, and @var{param4} are |
|
130 |
+parameters whose meanings depend on smooth type. @var{param1} and |
|
131 |
+@var{param2} accept integer positive values or 0, @var{param3} and |
|
132 |
+@var{param4} accept float values. |
|
133 |
+ |
|
134 |
+The default value for @var{param1} is 3, the default value for the |
|
135 |
+other parameters is 0. |
|
136 |
+ |
|
137 |
+These parameters corresponds to the parameters assigned to the |
|
138 |
+libopencv function @code{cvSmooth}. Refer the official libopencv |
|
139 |
+documentation for the exact meaning of the parameters: |
|
140 |
+@url{http://opencv.willowgarage.com/documentation/c/image_filtering.html} |
|
141 |
+ |
|
115 | 142 |
@section pad |
116 | 143 |
|
117 | 144 |
Add paddings to the input image, and places the original input at the |
... | ... |
@@ -23,6 +23,7 @@ OBJS-$(CONFIG_FORMAT_FILTER) += vf_format.o |
23 | 23 |
OBJS-$(CONFIG_HFLIP_FILTER) += vf_hflip.o |
24 | 24 |
OBJS-$(CONFIG_NOFORMAT_FILTER) += vf_format.o |
25 | 25 |
OBJS-$(CONFIG_NULL_FILTER) += vf_null.o |
26 |
+OBJS-$(CONFIG_OCV_SMOOTH_FILTER) += vf_libopencv.o |
|
26 | 27 |
OBJS-$(CONFIG_PAD_FILTER) += vf_pad.o |
27 | 28 |
OBJS-$(CONFIG_PIXDESCTEST_FILTER) += vf_pixdesctest.o |
28 | 29 |
OBJS-$(CONFIG_PIXELASPECT_FILTER) += vf_aspect.o |
... | ... |
@@ -43,6 +43,7 @@ void avfilter_register_all(void) |
43 | 43 |
REGISTER_FILTER (HFLIP, hflip, vf); |
44 | 44 |
REGISTER_FILTER (NOFORMAT, noformat, vf); |
45 | 45 |
REGISTER_FILTER (NULL, null, vf); |
46 |
+ REGISTER_FILTER (OCV_SMOOTH, ocv_smooth, vf); |
|
46 | 47 |
REGISTER_FILTER (PAD, pad, vf); |
47 | 48 |
REGISTER_FILTER (PIXDESCTEST, pixdesctest, vf); |
48 | 49 |
REGISTER_FILTER (PIXELASPECT, pixelaspect, vf); |
... | ... |
@@ -25,8 +25,8 @@ |
25 | 25 |
#include "libavutil/avutil.h" |
26 | 26 |
|
27 | 27 |
#define LIBAVFILTER_VERSION_MAJOR 1 |
28 |
-#define LIBAVFILTER_VERSION_MINOR 38 |
|
29 |
-#define LIBAVFILTER_VERSION_MICRO 3 |
|
28 |
+#define LIBAVFILTER_VERSION_MINOR 39 |
|
29 |
+#define LIBAVFILTER_VERSION_MICRO 0 |
|
30 | 30 |
|
31 | 31 |
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \ |
32 | 32 |
LIBAVFILTER_VERSION_MINOR, \ |
33 | 33 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,156 @@ |
0 |
+/* |
|
1 |
+ * copyright Stefano Sabatini 2010 |
|
2 |
+ * |
|
3 |
+ * This file is part of FFmpeg. |
|
4 |
+ * |
|
5 |
+ * FFmpeg is free software; you can redistribute it and/or |
|
6 |
+ * modify it under the terms of the GNU Lesser General Public |
|
7 |
+ * License as published by the Free Software Foundation; either |
|
8 |
+ * version 2.1 of the License, or (at your option) any later version. |
|
9 |
+ * |
|
10 |
+ * FFmpeg is distributed in the hope that it will be useful, |
|
11 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
12 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
13 |
+ * Lesser General Public License for more details. |
|
14 |
+ * |
|
15 |
+ * You should have received a copy of the GNU Lesser General Public |
|
16 |
+ * License along with FFmpeg; if not, write to the Free Software |
|
17 |
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
18 |
+ */ |
|
19 |
+ |
|
20 |
+/** |
|
21 |
+ * @file |
|
22 |
+ * libopencv wrapper functions |
|
23 |
+ */ |
|
24 |
+ |
|
25 |
+#include "opencv/cv.h" |
|
26 |
+#include "opencv/cxtypes.h" |
|
27 |
+#include "avfilter.h" |
|
28 |
+ |
|
29 |
+static void fill_iplimage_from_picref(IplImage *img, const AVFilterBufferRef *picref, enum PixelFormat pixfmt) |
|
30 |
+{ |
|
31 |
+ IplImage *tmpimg; |
|
32 |
+ int depth, channels_nb; |
|
33 |
+ |
|
34 |
+ if (pixfmt == PIX_FMT_GRAY8) { depth = IPL_DEPTH_8U; channels_nb = 1; } |
|
35 |
+ else if (pixfmt == PIX_FMT_BGRA) { depth = IPL_DEPTH_8U; channels_nb = 4; } |
|
36 |
+ else if (pixfmt == PIX_FMT_BGR24) { depth = IPL_DEPTH_8U; channels_nb = 3; } |
|
37 |
+ else return; |
|
38 |
+ |
|
39 |
+ tmpimg = cvCreateImageHeader((CvSize){picref->video->w, picref->video->h}, depth, channels_nb); |
|
40 |
+ *img = *tmpimg; |
|
41 |
+ img->imageData = img->imageDataOrigin = picref->data[0]; |
|
42 |
+ img->dataOrder = IPL_DATA_ORDER_PIXEL; |
|
43 |
+ img->origin = IPL_ORIGIN_TL; |
|
44 |
+ img->widthStep = picref->linesize[0]; |
|
45 |
+} |
|
46 |
+ |
|
47 |
+static void fill_picref_from_iplimage(AVFilterBufferRef *picref, const IplImage *img, enum PixelFormat pixfmt) |
|
48 |
+{ |
|
49 |
+ picref->linesize[0] = img->widthStep; |
|
50 |
+ picref->data[0] = img->imageData; |
|
51 |
+} |
|
52 |
+ |
|
53 |
+static int query_formats(AVFilterContext *ctx) |
|
54 |
+{ |
|
55 |
+ static const enum PixelFormat pix_fmts[] = { |
|
56 |
+ PIX_FMT_BGR24, PIX_FMT_BGRA, PIX_FMT_GRAY8, PIX_FMT_NONE |
|
57 |
+ }; |
|
58 |
+ |
|
59 |
+ avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts)); |
|
60 |
+ return 0; |
|
61 |
+} |
|
62 |
+ |
|
63 |
+static void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { } |
|
64 |
+ |
|
65 |
+#if CONFIG_OCV_SMOOTH_FILTER |
|
66 |
+ |
|
67 |
+typedef struct { |
|
68 |
+ int type; |
|
69 |
+ int param1, param2; |
|
70 |
+ double param3, param4; |
|
71 |
+} SmoothContext; |
|
72 |
+ |
|
73 |
+static av_cold int smooth_init(AVFilterContext *ctx, const char *args, void *opaque) |
|
74 |
+{ |
|
75 |
+ SmoothContext *smooth = ctx->priv; |
|
76 |
+ char type_str[128] = "gaussian"; |
|
77 |
+ |
|
78 |
+ smooth->param1 = 3; |
|
79 |
+ smooth->param2 = 0; |
|
80 |
+ smooth->param3 = 0.0; |
|
81 |
+ smooth->param4 = 0.0; |
|
82 |
+ |
|
83 |
+ if (args) |
|
84 |
+ sscanf(args, "%127[^:]:%d:%d:%lf:%lf", type_str, &smooth->param1, &smooth->param2, &smooth->param3, &smooth->param4); |
|
85 |
+ |
|
86 |
+ if (!strcmp(type_str, "blur" )) smooth->type = CV_BLUR; |
|
87 |
+ else if (!strcmp(type_str, "blur_no_scale")) smooth->type = CV_BLUR_NO_SCALE; |
|
88 |
+ else if (!strcmp(type_str, "median" )) smooth->type = CV_MEDIAN; |
|
89 |
+ else if (!strcmp(type_str, "gaussian" )) smooth->type = CV_GAUSSIAN; |
|
90 |
+ else if (!strcmp(type_str, "bilateral" )) smooth->type = CV_BILATERAL; |
|
91 |
+ else { |
|
92 |
+ av_log(ctx, AV_LOG_ERROR, "Smoothing type '%s' unknown\n.", type_str); |
|
93 |
+ return AVERROR(EINVAL); |
|
94 |
+ } |
|
95 |
+ |
|
96 |
+ if (smooth->param1 < 0 || !(smooth->param1%2)) { |
|
97 |
+ av_log(ctx, AV_LOG_ERROR, |
|
98 |
+ "Invalid value '%d' for param1, it has to be a positive odd number\n", |
|
99 |
+ smooth->param1); |
|
100 |
+ return AVERROR(EINVAL); |
|
101 |
+ } |
|
102 |
+ if ((smooth->type == CV_BLUR || smooth->type == CV_BLUR_NO_SCALE || smooth->type == CV_GAUSSIAN) && |
|
103 |
+ (smooth->param2 < 0 || (smooth->param2 && !(smooth->param2%2)))) { |
|
104 |
+ av_log(ctx, AV_LOG_ERROR, |
|
105 |
+ "Invalid value '%d' for param2, it has to be zero or a positive odd number\n", |
|
106 |
+ smooth->param2); |
|
107 |
+ return AVERROR(EINVAL); |
|
108 |
+ } |
|
109 |
+ |
|
110 |
+ av_log(ctx, AV_LOG_INFO, "type:%s param1:%d param2:%d param3:%f param4:%f\n", |
|
111 |
+ type_str, smooth->param1, smooth->param2, smooth->param3, smooth->param4); |
|
112 |
+ return 0; |
|
113 |
+} |
|
114 |
+ |
|
115 |
+static void smooth_end_frame(AVFilterLink *inlink) |
|
116 |
+{ |
|
117 |
+ SmoothContext *smooth = inlink->dst->priv; |
|
118 |
+ AVFilterLink *outlink= inlink->dst->outputs[0]; |
|
119 |
+ AVFilterBufferRef *inpicref = inlink ->cur_buf; |
|
120 |
+ AVFilterBufferRef *outpicref = outlink->out_buf; |
|
121 |
+ IplImage inimg, outimg; |
|
122 |
+ |
|
123 |
+ fill_iplimage_from_picref(&inimg , inpicref , inlink->format); |
|
124 |
+ fill_iplimage_from_picref(&outimg, outpicref, inlink->format); |
|
125 |
+ cvSmooth(&inimg, &outimg, smooth->type, smooth->param1, smooth->param2, smooth->param3, smooth->param4); |
|
126 |
+ fill_picref_from_iplimage(outpicref, &outimg, inlink->format); |
|
127 |
+ |
|
128 |
+ avfilter_unref_buffer(inpicref); |
|
129 |
+ avfilter_draw_slice(outlink, 0, outlink->h, 1); |
|
130 |
+ avfilter_end_frame(outlink); |
|
131 |
+ avfilter_unref_buffer(outpicref); |
|
132 |
+} |
|
133 |
+ |
|
134 |
+AVFilter avfilter_vf_ocv_smooth = { |
|
135 |
+ .name = "ocv_smooth", |
|
136 |
+ .description = "Apply smooth transform using libopencv.", |
|
137 |
+ |
|
138 |
+ .priv_size = sizeof(SmoothContext), |
|
139 |
+ |
|
140 |
+ .query_formats = query_formats, |
|
141 |
+ .init = smooth_init, |
|
142 |
+ |
|
143 |
+ .inputs = (AVFilterPad[]) {{ .name = "default", |
|
144 |
+ .type = AVMEDIA_TYPE_VIDEO, |
|
145 |
+ .draw_slice = null_draw_slice, |
|
146 |
+ .end_frame = smooth_end_frame, |
|
147 |
+ .min_perms = AV_PERM_READ }, |
|
148 |
+ { .name = NULL}}, |
|
149 |
+ |
|
150 |
+ .outputs = (AVFilterPad[]) {{ .name = "default", |
|
151 |
+ .type = AVMEDIA_TYPE_VIDEO, }, |
|
152 |
+ { .name = NULL}}, |
|
153 |
+}; |
|
154 |
+ |
|
155 |
+#endif /* CONFIG_OCV_SMOOTH_FILTER */ |