[FFmpeg-trac] #1952(undetermined:new): FFMPEG not able to copy empty audio stream in wtv (was: FFMPEG not able to copy audio streams from WTV to TS)
FFmpeg
trac at avcodec.org
Thu Nov 22 22:11:55 CET 2012
#1952: FFMPEG not able to copy empty audio stream in wtv
-------------------------------------+-------------------------------------
Reporter: ramitbhalla | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: git-master | undetermined
Keywords: wtv ac3 | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Changes (by cehoyos):
* keywords: => wtv ac3
* version: unspecified => git-master
Comment:
This is not necessarily a bug:
FFmpeg cannot copy streams that are detected but not correctly identified
(like stream 0:1 in this case). The question is therefore: Is it a bug
that the stream is detected (is there actually no stream)? Or is there any
software that correctly identifies (plays) the second audio stream?
If there is a bug (in the wtv demuxer or the ac3 decoder) it is certainly
not mpeg-ts related: You can reproduce the problem with the following
command line:
$ ffmpeg -i broken_remux.wtv -map 0:2 -acodec copy out.ac3
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1952#comment:1>
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