[FFmpeg-trac] #2484(avfilter:reopened): atempo - low accuracy

FFmpeg trac at avcodec.org
Fri Apr 26 02:02:27 CEST 2013

#2484: atempo - low accuracy
             Reporter:  bars        |                    Owner:  pkoshevoy
                 Type:  defect      |                   Status:  reopened
             Priority:  normal      |                Component:  avfilter
              Version:  git-master  |               Resolution:
             Keywords:  atempo      |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |

Comment (by pkoshevoy):

 atempo is never going to produce an exact
 output_duration=input_duration/tempo.  However, there is an upper bound on
 the number of samples it may be off by.  It is the closest power-of-two
 greater than or equal to input_sample_rate/24, I think.  So, +/- 42ms.

Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2484#comment:13>
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