[FFmpeg-user] Can't write packet with unknown timestamp

[Mark Filipak]

On 04/25/2020 02:52 PM, DEF wrote:
>> Am Sa., 25. Apr. 2020 um 03:42 Uhr schrieb Mark Fili
>>
>>> By trial-&-error I discovered that this:
>>> 'mplayer H:\VIDEO_TS\VTS_01_1.IFO -dumpstream -dumpfile TITLE1.VOB'
>>
>> No, please test the following (untested, but I hope you get the idea):
>> $ cd H:
>> $ mplayer -dvd-device VIDEO_TS dvd://1 -dumpstream -dumpfile dvd1.vob

C:\CMD & tiny apps\MPlayer>mplayer -dvd-device VIDEO_TS dvd://1 -dumpstream -dumpfile dvd1.vob
MPlayer sherpya-r38184+g13171ad2e3-9.3-win32 (C) 2000-2020 MPlayer Team

Playing dvd://1.
libdvdread: Can't stat VIDEO_TS
No such file or directory
libdvdread: Could not open VIDEO_TS
Couldn't open DVD device: VIDEO_TS (No such file or directory)
No stream found to handle url dvd://1

However this did work:

C:\CMD & tiny apps\MPlayer>mplayer -dvd-device H:\VIDEO_TS dvd://1 -dumpstream -dumpfile dvd1.vob
MPlayer sherpya-r38184+g13171ad2e3-9.3-win32 (C) 2000-2020 MPlayer Team

Playing dvd://1.
libdvdread: Could not open H:\VIDEO_TS with libdvdcss.
libdvdread: Can't open H:\VIDEO_TS for reading
libdvdread: Device H:\VIDEO_TS inaccessible, CSS authentication not available.
There are 4 titles on this DVD.
There are 1 angles in this DVD title.
audio stream: 0 format: ac3 (stereo) language: en aid: 128.
number of audio channels on disk: 1.
subtitle ( sid ): 1 language: en
subtitle ( sid ): 3 language: fr
number of subtitles on disk: 2
dump: 6157889536 bytes written (~99.4%)
dump: 6193592320 bytes written to 'dvd1.vob'.
Core dumped ;)

However, it is exactly the same as this:
mplayer H:\VIDEO_TS\VTS_01_1.IFO -dumpstream -dumpfile TITLE1.VOB

Which doesn't play properly and which Carl Eugen said, "No".