av_set_options_string  888 libavfilter/vf_drawtext.c         ret = av_set_options_string(ctx, arg, "=", ":");
av_set_options_string  419 libavutil/opt.h int av_set_options_string(void *ctx, const char *opts,
av_set_options_string  229 libavutil/tests/opt.c             av_set_options_string(&test_ctx, buf, "=", ",");
av_set_options_string  317 libavutil/tests/opt.c             if (av_set_options_string(&test_ctx, options[i], "=", ":") < 0)