[linux-dvb] mpegtools: ts2ps and AC3

[Mark Lehrer <mark@knm.org>]

Hello there.  I am playing with an ATSC transport stream (1280x720 fps
w/AC3 sound); trying to convert it into a presentation stream for
further processing with transcode.

I am having some trouble with the sound - transcode does not seem to
recognize the sound that was apparently written to the presentation
stream by ts2ps.  The sound is stored in a PRIVATE_STREAM1, which
appears to be handled by the write_ipack routines.

I've been looking through the code for a little while here, and the
only suspicious thing that jumps out at me is that ps_pes() does not
have a handler for the PRIVATE_STREAM1 type; only the AUDIO_STREAM_*
and VIDEO_STREAM_* types.

I also noticed that the program never calls get_ac3info due to large
values for ac3_off; but I'm not sure if this is a big issue.

I am relatively new to MPEG - could someone give me a hint of what
to do to make the AC3 sound be acceptable for transcode?  I can
provide sample streams if that will help.

Thanks!
Mark


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