[FFmpeg-trac] #3173(avfilter:open): afade-fadeout on pipe:0 stream

FFmpeg trac at avcodec.org
Fri Nov 29 15:06:47 CET 2013

#3173: afade-fadeout on pipe:0 stream
             Reporter:  Fusl         |                    Owner:
                 Type:  enhancement  |                   Status:  open
             Priority:  wish         |                Component:  avfilter
              Version:  git-master   |               Resolution:
             Keywords:  afade        |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |

Comment (by Fusl):

 Yeah, i know that it needs more memory. I think, exactly the raw format
 size of how long the audio buffer is.

 A wav file (pcm_s16le, Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
 stereo, s16, 1411 kb/s) with a length of time=00:00:04.98 has exactly

  fusl at thinkbook  ffmpegtest   ls -alF test.wav
  -rw-r--r-- 1 fusl users 875788 Nov 29 14:57 test.wav

 And i don't think that 875KiB would use much more memory inside ffmpeg.

 Also i think that a notice in the documentation and the manual page, that
 it COULD use much memory when input type is a stream, is enough, isn't it?

Ticket URL: <https://trac.ffmpeg.org/ticket/3173#comment:4>
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