lavf/mux: do not fail in case of non strictly monotonically increasing DTS values for data packets

Consistent with what we already do with subtitles since ac08c5c0.

libavformat/mux.c

@@ -554,6 +554,7 @@ static int compute_muxer_pkt_fields(AVFormatContext *s, AVStream *st, AVPacket *
     if (st->cur_dts && st->cur_dts != AV_NOPTS_VALUE &&
         ((!(s->oformat->flags & AVFMT_TS_NONSTRICT) &&
           st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE &&
+          st->codec->codec_type != AVMEDIA_TYPE_DATA &&
           st->cur_dts >= pkt->dts) || st->cur_dts > pkt->dts)) {
         av_log(s, AV_LOG_ERROR,
                "Application provided invalid, non monotonically increasing dts to muxer in stream %d: %s >= %s\n",