Hi,
Ralph Glasstetter wrote:
> Am Freitag, 28. Dezember 2007 09:30 schrieb Peter Daum:
>> Every other program sees the tracks in this order (and uses track 0 by
>> default).In dvbcut however, the tracks are sometimes swapped, so if I
>> export just track 0, I actually end up with the second track.
> Hmmmm,... maybe the audio tracks are sorted to have
> AC3 ones in front and if there is more than one AC3 track the result
> may be unpredictable....? Just a guess... since I saw an "audios.sort()" in
> tsfile.cpp (Michael's more familar with that part of the code).
there must be something else - when that sort is removed,
the exported audio tracks are still swapped ...
> Nevertheless it would help printing more information to the export dialog
> table to distinguish the tracks! Maybe just additionally the bitrate?
... that certainly would help. I still think, it would be better to
preserve the original order of tracks (whatever "order" might mean in
this context - I guess, other programs sort them by PID)
>> in some cases when I notice the problem in time and explicitly choose only
>> track 1, I get (at least as far as my DVD player is concerned) 2 audio
>> tracks, of which track 0 (which is played by default) is empty.
>>
>
> But the video was the only one on the DVD?
>
> Just asking,... because with more than one title(set?) on a DVD with
> different
> audio specifications my pioneer player also "shows" an "empty" track 0 for
> the second movie!
Normally, the 1st (only) audio track on a DVD has ID 0xc0. If you select
only the 2nd (according to dvbcut) audio stream in a video and put this
together with a "normal" video into the same titleset, the only audio track
in this video gets the ID 0xc1.(If there is no other video in the titleset,
the audio track gets 0xc0 and everything is all right. I don't know of any
program like "lsdvd" for mpeg files, so I don't know which ID the audio
track gets in the file that dvbcut exports, but I suspect, it also is 0xc1
in that case ...)
Btw.: As I meanwhile realized, the behavior of dvbcut with regard to this issue
probably has not changed. The reason that I ran into this problem only recently
is, that I used a different DVB-T receiver before, which "solved" this problem
by only transmitting the primary audio stream ...
Regards (Happy New Year!),
Peter Daum
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