AVInputFormat *ifmt = NULL;
AVOutputFormat *ofmt = NULL;
- while (prev && (ifmt = av_iformat_next(ifmt)))
+ if (!prev)
+#if !FF_API_OLD_AVIO
+ return &ffio_url_class;
+#else
+ prev = (void *)&ifmt; // Dummy pointer;
+#endif
+
+ while ((ifmt = av_iformat_next(ifmt)))
if (ifmt->priv_class == prev)
break;
- if ((prev && ifmt) || (!prev))
+
+ if (!ifmt)
+ while ((ofmt = av_oformat_next(ofmt)))
+ if (ofmt->priv_class == prev)
+ break;
+ if (!ofmt)
while (ifmt = av_iformat_next(ifmt))
if (ifmt->priv_class)
return ifmt->priv_class;
- while (prev && (ofmt = av_oformat_next(ofmt)))
- if (ofmt->priv_class == prev)
- break;
- if ((prev && ofmt) || (!prev))
- while (ofmt = av_oformat_next(ofmt))
- if (ofmt->priv_class)
- return ofmt->priv_class;
-
-#if !FF_API_OLD_AVIO
- if (prev != &ffio_url_class)
- return &ffio_url_class;
-#endif
+ while (ofmt = av_oformat_next(ofmt))
+ if (ofmt->priv_class)
+ return ofmt->priv_class;
return NULL;
}