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Tasklist

FS#27647 - ffmpeg after 20111003-1 gives error "Unknown decoder 'copy'"

Attached to Project: Arch Linux
Opened by x (onexused) - Tuesday, 20 December 2011, 22:16 GMT
Last edited by Ionut Biru (wonder) - Tuesday, 10 January 2012, 13:07 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Ionut Biru (wonder)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:
When attempting to copy a video or audio stream with ffmpeg without re-encoding it, ffmpeg after version 20111003 (that is, ffmpeg-20111108-1 and higher), ffmpeg dies with: Unknown decoder 'copy' . I've tried several video files, and it's the same with each one.

Versions:
ffmpeg-20111108-1 and higher
x264-20111030-1

Additional info:
See attached terminal log.
   ffmpeg output (3.6 KiB)
This task depends upon

Closed by  Ionut Biru (wonder)
Tuesday, 10 January 2012, 13:07 GMT
Reason for closing:  Not a bug
Comment by Ionut Biru (wonder) - Wednesday, 21 December 2011, 21:09 GMT
report to ffmpeg developers. is either a bug or they changed the syntax.
Comment by x (onexused) - Thursday, 22 December 2011, 12:48 GMT
Will do. Either way, it's a bug because the man page still mentions "copy".
Comment by Ionut Biru (wonder) - Monday, 02 January 2012, 17:43 GMT
Did you contact upstream about this issue?
Comment by DrZaius (DrZaius) - Wednesday, 04 January 2012, 20:16 GMT
This is not a bug. Placement of options is important. Anything before an "-i" is considered an input option, so ffmpeg is attempting to apply "-vcodec copy -acodec copy -scodec xsub" to the decoder of your input which is why you get the message, "Unknown decoder 'copy'". Move appropriate options before your output if you want them applied to the output.

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