Fixes avformat_find_stream_info() on streams with number of frames <
thread count.
assert(!st->codec->codec);
codec = avcodec_find_decoder(st->codec->codec_id);
+ /* this function doesn't flush the decoders, so force thread count
+ * to 1 to fix behavior when thread count > number of frames in the file */
+ if (options)
+ av_dict_set(&options[i], "threads", "1", 0);
+
/* Ensure that subtitle_header is properly set. */
if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE
&& codec && !st->codec->codec)