avformat/apvenc: Add AVFMT_NOTIMESTAMPS flag

This is a raw format.

Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavformat/apvenc.c

@@ -33,6 +33,7 @@ const FFOutputFormat ff_apv_muxer = {
     .p.audio_codec    = AV_CODEC_ID_NONE,
     .p.video_codec    = AV_CODEC_ID_APV,
     .p.subtitle_codec = AV_CODEC_ID_NONE,
+    .p.flags          = AVFMT_NOTIMESTAMPS,
     .flags_internal   = FF_OFMT_FLAG_MAX_ONE_OF_EACH | FF_OFMT_FLAG_ONLY_DEFAULT_CODECS,
     .write_packet     = apv_write_packet,
 };