AVFilterLink *outlink = ctx->outputs[0];
OCRContext *s = ctx->priv;
char *result;
+ int *confs;
result = TessBaseAPIRect(s->tess, in->data[0], 1,
in->linesize[0], 0, 0, in->width, in->height);
+ confs = TessBaseAPIAllWordConfidences(s->tess);
av_dict_set(metadata, "lavfi.ocr.text", result, 0);
+ for (int i = 0; confs[i] != -1; i++) {
+ char number[256];
+
+ snprintf(number, sizeof(number), "%d ", confs[i]);
+ av_dict_set(metadata, "lavfi.ocr.confidence", number, AV_DICT_APPEND);
+ }
+
TessDeleteText(result);
+ TessDeleteIntArray(confs);
return ff_filter_frame(outlink, in);
}