26 #include <opencv/cv.h>
27 #include <opencv/cxcore.h>
40 int depth, channels_nb;
43 else if (pixfmt ==
AV_PIX_FMT_BGRA) { depth = IPL_DEPTH_8U; channels_nb = 4; }
44 else if (pixfmt ==
AV_PIX_FMT_BGR24) { depth = IPL_DEPTH_8U; channels_nb = 3; }
47 tmpimg = cvCreateImageHeader((CvSize){frame->
width, frame->
height},
depth, channels_nb);
49 img->imageData = img->imageDataOrigin = frame->
data[0];
50 img->dataOrder = IPL_DATA_ORDER_PIXEL;
51 img->origin = IPL_ORIGIN_TL;
58 frame->
data[0] = img->imageData;
91 char type_str[128] =
"gaussian";
99 sscanf(args,
"%127[^|]|%d|%d|%lf|%lf", type_str, &smooth->
param1, &smooth->
param2, &smooth->
param3, &smooth->
param4);
101 if (!strcmp(type_str,
"blur" )) smooth->
type = CV_BLUR;
102 else if (!strcmp(type_str,
"blur_no_scale")) smooth->
type = CV_BLUR_NO_SCALE;
103 else if (!strcmp(type_str,
"median" )) smooth->
type = CV_MEDIAN;
104 else if (!strcmp(type_str,
"gaussian" )) smooth->
type = CV_GAUSSIAN;
105 else if (!strcmp(type_str,
"bilateral" )) smooth->
type = CV_BILATERAL;
113 "Invalid value '%d' for param1, it has to be a positive odd number\n",
117 if ((smooth->
type == CV_BLUR || smooth->
type == CV_BLUR_NO_SCALE || smooth->
type == CV_GAUSSIAN) &&
120 "Invalid value '%d' for param2, it has to be zero or a positive odd number\n",
144 if ((ret =
av_file_map(filename, &buf, &size, 0, log_ctx)) < 0)
149 for (i = 0; i <
size; i++) {
150 if (buf[i] ==
'\n') {
151 if (*rows == INT_MAX) {
156 *cols =
FFMAX(*cols, w);
158 }
else if (w == INT_MAX) {
164 if (*rows > (SIZE_MAX /
sizeof(
int) / *cols)) {
169 if (!(*values =
av_mallocz(
sizeof(
int) * *rows * *cols)))
175 for (i = 0; i < *rows; i++) {
177 if (p > pend || *p ==
'\n') {
181 (*values)[*cols*i + j] = !!
av_isgraph(*(p++));
191 for (i = 0; i < *rows; i++) {
192 for (j = 0; j < *cols; j++)
193 line[j] = (*values)[i * *cols + j] ?
'@' :
' ';
206 char shape_filename[128] =
"", shape_str[32] =
"rect";
207 int cols = 0, rows = 0, anchor_x = 0, anchor_y = 0, shape = CV_SHAPE_RECT;
208 int *values = NULL,
ret;
210 sscanf(buf,
"%dx%d+%dx%d/%32[^=]=%127s", &cols, &rows, &anchor_x, &anchor_y, shape_str, shape_filename);
212 if (!strcmp(shape_str,
"rect" )) shape = CV_SHAPE_RECT;
213 else if (!strcmp(shape_str,
"cross" )) shape = CV_SHAPE_CROSS;
214 else if (!strcmp(shape_str,
"ellipse")) shape = CV_SHAPE_ELLIPSE;
215 else if (!strcmp(shape_str,
"custom" )) {
216 shape = CV_SHAPE_CUSTOM;
221 "Shape unspecified or type '%s' unknown.\n", shape_str);
225 if (rows <= 0 || cols <= 0) {
227 "Invalid non-positive values for shape size %dx%d\n", cols, rows);
231 if (anchor_x < 0 || anchor_y < 0 || anchor_x >= cols || anchor_y >= rows) {
233 "Shape anchor %dx%d is not inside the rectangle with size %dx%d.\n",
234 anchor_x, anchor_y, cols, rows);
238 *kernel = cvCreateStructuringElementEx(cols, rows, anchor_x, anchor_y, shape, values);
244 rows, cols, anchor_x, anchor_y, shape_str);
257 char default_kernel_str[] =
"3x3+0x0/rect";
265 kernel_str =
av_strdup(default_kernel_str);
288 cvReleaseStructuringElement(&dilate->
kernel);
330 if (!strcmp(s->
name, entry->
name)) {
360 IplImage inimg, outimg;
379 #define OFFSET(x) offsetof(OCVContext, x)
380 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
411 .priv_class = &ocv_class,
417 .
inputs = avfilter_vf_ocv_inputs,
419 .
outputs = avfilter_vf_ocv_outputs,