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[linux-dvb] mpegtools: ts2ps and AC3
- To: linux-dvb@convergence.de
- Subject: [linux-dvb] mpegtools: ts2ps and AC3
- From: Mark Lehrer <mark@knm.org>
- Date: Fri, 22 Nov 2002 15:56:00 -0700
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- In-reply-to: <listar-11222002164731.22281.2@chambertin>
- References: <listar-11222002164731.22281.2@chambertin>
- Sender: linux-dvb-bounce@linuxtv.org
- User-agent: Mutt/1.4i
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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