[FFmpeg-trac] #2832(undetermined:new): ffmpeg produces audio with glitch

[FFmpeg]

#2832: ffmpeg produces audio with glitch
-------------------------------------+-------------------------------------
             Reporter:  asukhanov    |                    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 asukhanov):

 I simplified commandline which I could reproduce the problem with:

 ffmpeg -i audio_glitch_input.flv -async 1 -f flv -y out.flv


 Console output:

 ffmpeg version git-2013-05-15-1a36c75 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on May 14 2013 19:05:26 with gcc 4.6 (Ubuntu/Linaro
 4.6.3-1ubuntu5)
   configuration: --enable-gpl --enable-nonfree --enable-pthreads --enable-
 libx264 --enable-libfaac --enable-libmp3lame --extra-
 cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib
   libavutil      52. 31.100 / 52. 31.100
   libavcodec     55.  9.100 / 55.  9.100
   libavformat    55.  7.100 / 55.  7.100
   libavdevice    55.  0.100 / 55.  0.100
   libavfilter     3. 67.100 /  3. 67.100
   libswscale      2.  3.100 /  2.  3.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 [flv @ 0x369b880] max_analyze_duration 5000000 reached at 5018000
 microseconds
 Input #0, flv, from 'audio_glitch_input.flv':
   Duration: 00:02:46.84, start: 0.000000, bitrate: 322 kb/s
     Stream #0:0: Audio: mp3, 44100 Hz, mono, s16p, 192 kb/s
 -async is forwarded to lavfi similarly to -af
 aresample=async=1:min_hard_comp=0.100000:first_pts=0.
 Output #0, flv, to 'out.flv':
   Metadata:
     encoder         : Lavf55.7.100
     Stream #0:0: Audio: mp3 (libmp3lame) ([2][0][0][0] / 0x0002), 44100
 Hz, mono, s16p
 Stream mapping:
   Stream #0:0 -> #0:0 (mp3 -> libmp3lame)
 Press [q] to stop, [?] for help
 Trying to remove 1152 samples, but the queue is emptys
 size=    1405kB time=00:02:46.97 bitrate=  68.9kbits/s
 video:0kB audio:1305kB subtitle:0 global headers:0kB muxing overhead
 7.672720%

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2832#comment:4>
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