#include "libavutil/avstring.h"
#include "libavutil/common.h"
#include "libavutil/file.h"
+#include "libavutil/opt.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
}
typedef struct {
- const char *name;
+ const AVClass *class;
+ char *name;
+ char *params;
int (*init)(AVFilterContext *ctx, const char *args);
void (*uninit)(AVFilterContext *ctx);
void (*end_frame_filter)(AVFilterContext *ctx, IplImage *inimg, IplImage *outimg);
smooth->param4 = 0.0;
if (args)
- sscanf(args, "%127[^:]:%d:%d:%lf:%lf", type_str, &smooth->param1, &smooth->param2, &smooth->param3, &smooth->param4);
+ sscanf(args, "%127[^|]|%d|%d|%lf|%lf", type_str, &smooth->param1, &smooth->param2, &smooth->param3, &smooth->param4);
if (!strcmp(type_str, "blur" )) smooth->type = CV_BLUR;
else if (!strcmp(type_str, "blur_no_scale")) smooth->type = CV_BLUR_NO_SCALE;
const char *buf = args;
int ret;
- dilate->nb_iterations = 1;
-
if (args)
- kernel_str = av_get_token(&buf, ":");
- if ((ret = parse_iplconvkernel(&dilate->kernel,
- *kernel_str ? kernel_str : default_kernel_str,
- ctx)) < 0)
+ kernel_str = av_get_token(&buf, "|");
+ else
+ kernel_str = av_strdup(default_kernel_str);
+ if (!kernel_str)
+ return AVERROR(ENOMEM);
+ if ((ret = parse_iplconvkernel(&dilate->kernel, kernel_str, ctx)) < 0)
return ret;
av_free(kernel_str);
- sscanf(buf, ":%d", &dilate->nb_iterations);
+ if (!buf || sscanf(buf, "|%d", &dilate->nb_iterations) != 1)
+ dilate->nb_iterations = 1;
av_log(ctx, AV_LOG_VERBOSE, "iterations_nb:%d\n", dilate->nb_iterations);
if (dilate->nb_iterations <= 0) {
av_log(ctx, AV_LOG_ERROR, "Invalid non-positive value '%d' for nb_iterations\n",
{ "smooth", sizeof(SmoothContext), smooth_init, NULL, smooth_end_frame_filter },
};
-static av_cold int init(AVFilterContext *ctx, const char *args)
+static av_cold int init(AVFilterContext *ctx)
{
OCVContext *ocv = ctx->priv;
- char name[128], priv_args[1024];
int i;
- char c;
-
- sscanf(args, "%127[^=:]%c%1023s", name, &c, priv_args);
+ if (!ocv->name) {
+ av_log(ctx, AV_LOG_ERROR, "No libopencv filter name specified\n");
+ return AVERROR(EINVAL);
+ }
for (i = 0; i < FF_ARRAY_ELEMS(ocv_filter_entries); i++) {
OCVFilterEntry *entry = &ocv_filter_entries[i];
- if (!strcmp(name, entry->name)) {
- ocv->name = entry->name;
+ if (!strcmp(ocv->name, entry->name)) {
ocv->init = entry->init;
ocv->uninit = entry->uninit;
ocv->end_frame_filter = entry->end_frame_filter;
if (!(ocv->priv = av_mallocz(entry->priv_size)))
return AVERROR(ENOMEM);
- return ocv->init(ctx, priv_args);
+ return ocv->init(ctx, ocv->params);
}
}
- av_log(ctx, AV_LOG_ERROR, "No libopencv filter named '%s'\n", name);
+ av_log(ctx, AV_LOG_ERROR, "No libopencv filter named '%s'\n", ocv->name);
return AVERROR(EINVAL);
}
if (ocv->uninit)
ocv->uninit(ctx);
av_free(ocv->priv);
- memset(ocv, 0, sizeof(*ocv));
}
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
return ff_filter_frame(outlink, out);
}
+#define OFFSET(x) offsetof(OCVContext, x)
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
+static const AVOption options[] = {
+ { "filter_name", NULL, OFFSET(name), AV_OPT_TYPE_STRING, .flags = FLAGS },
+ { "filter_params", NULL, OFFSET(params), AV_OPT_TYPE_STRING, .flags = FLAGS },
+ { NULL },
+};
+
+static const AVClass ocv_class = {
+ .class_name = "ocv",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
static const AVFilterPad avfilter_vf_ocv_inputs[] = {
{
.name = "default",
.description = NULL_IF_CONFIG_SMALL("Apply transform using libopencv."),
.priv_size = sizeof(OCVContext),
+ .priv_class = &ocv_class,
.query_formats = query_formats,
.init = init,