[FFmpeg-trac] #6922(undetermined:new): transcode with ffmpeg may eat up a lot of memory

FFmpeg trac at avcodec.org
Fri Dec 29 23:39:51 EET 2017


#6922: transcode with ffmpeg may eat up a lot of memory
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             Reporter:  JasonZhang   |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by cehoyos):

 It appears to me that the input file contains no audio, trying to produce
 an output audio stream will have unexpected results, either `ffmpeg`
 trying to queue video until audio appears, eventually giving up, or `fifo`
 buffering the whole video stream waiting for audio.

 All (?) other demuxers do not detect an audio stream (FFmpeg does), so
 this may be a bug in FFmpeg.

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Ticket URL: <https://trac.ffmpeg.org/ticket/6922#comment:11>
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