+
+ ret = hw_device_setup_for_decode(ist);
+ if (ret < 0) {
+ char errbuf[128];
+ av_strerror(ret, errbuf, sizeof(errbuf));
+ snprintf(error, error_len, "Device setup failed for "
+ "decoder on input stream #%d:%d : %s",
+ ist->file_index, ist->st->index, errbuf);
+ return ret;
+ }
+