return 0;
}
-static void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { }
+static int null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
+{
+ return 0;
+}
typedef struct {
const char *name;
else if (!strcmp(type_str, "gaussian" )) smooth->type = CV_GAUSSIAN;
else if (!strcmp(type_str, "bilateral" )) smooth->type = CV_BILATERAL;
else {
- av_log(ctx, AV_LOG_ERROR, "Smoothing type '%s' unknown\n.", type_str);
+ av_log(ctx, AV_LOG_ERROR, "Smoothing type '%s' unknown.\n", type_str);
return AVERROR(EINVAL);
}
return ret;
} else {
av_log(log_ctx, AV_LOG_ERROR,
- "Shape unspecified or type '%s' unknown\n.", shape_str);
+ "Shape unspecified or type '%s' unknown.\n", shape_str);
return AVERROR(EINVAL);
}
memset(ocv, 0, sizeof(*ocv));
}
-static void end_frame(AVFilterLink *inlink)
+static int end_frame(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->dst;
OCVContext *ocv = ctx->priv;
AVFilterBufferRef *inpicref = inlink ->cur_buf;
AVFilterBufferRef *outpicref = outlink->out_buf;
IplImage inimg, outimg;
+ int ret;
fill_iplimage_from_picref(&inimg , inpicref , inlink->format);
fill_iplimage_from_picref(&outimg, outpicref, inlink->format);
ocv->end_frame_filter(ctx, &inimg, &outimg);
fill_picref_from_iplimage(outpicref, &outimg, inlink->format);
- avfilter_unref_buffer(inpicref);
- ff_draw_slice(outlink, 0, outlink->h, 1);
- ff_end_frame(outlink);
- avfilter_unref_buffer(outpicref);
+ if ((ret = ff_draw_slice(outlink, 0, outlink->h, 1)) < 0 ||
+ (ret = ff_end_frame(outlink)) < 0)
+ return ret;
+ return 0;
}
AVFilter avfilter_vf_ocv = {
.init = init,
.uninit = uninit,
- .inputs = (const AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .draw_slice = null_draw_slice,
- .end_frame = end_frame,
- .min_perms = AV_PERM_READ },
- { .name = NULL}},
+ .inputs = (const AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .draw_slice = null_draw_slice,
+ .end_frame = end_frame,
+ .min_perms = AV_PERM_READ },
+ { .name = NULL}},
- .outputs = (const AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO, },
- { .name = NULL}},
+ .outputs = (const AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO, },
+ { .name = NULL}},
};