[FFmpeg-trac] #3598(undetermined:new): Too verbose output using concat demuxer with wav files
FFmpeg
trac at avcodec.org
Mon Apr 28 09:28:00 CEST 2014
#3598: Too verbose output using concat demuxer with wav files
-------------------------------------+-------------------------------------
Reporter: cehoyos | Owner:
Type: defect | Status: new
Priority: minor | Component:
Version: git- | undetermined
master | Keywords: concat wav
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
http://thread.gmane.org/gmane.comp.video.ffmpeg.user/51553
When using the concat demuxer to concatenate wav files, ffmpeg prints many
warnings starting from the second file.
{{{
$ ffmpeg -f lavfi -i sine -t 0.5 out.wav
}}}
{{{
$ echo "file out.wav" >concat.txt
$ echo "file out.wav" >>concat.txt
}}}
{{{
$ ffmpeg -f concat -i concat.txt -f null -
ffmpeg version N-62757-g18af0ce Copyright (c) 2000-2014 the FFmpeg
developers
built on Apr 28 2014 09:25:16 with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl
libavutil 52. 79.100 / 52. 79.100
libavcodec 55. 59.100 / 55. 59.100
libavformat 55. 37.101 / 55. 37.101
libavdevice 55. 13.100 / 55. 13.100
libavfilter 4. 4.100 / 4. 4.100
libswscale 2. 6.100 / 2. 6.100
libswresample 0. 18.100 / 0. 18.100
libpostproc 52. 3.100 / 52. 3.100
[concat @ 0x1a6cd00] Estimating duration from bitrate, this may be
inaccurate
Guessed Channel Layout for Input Stream #0.0 : mono
Input #0, concat, from 'concat.txt':
Duration: 00:00:00.00, start: 0.000000, bitrate: 705 kb/s
Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, mono,
s16, 705 kb/s
Output #0, null, to 'pipe:':
Metadata:
encoder : Lavf55.37.101
Stream #0:0: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (pcm_s16le -> pcm_s16le)
Press [q] to stop, [?] for help
DTS -406750698235338944, next:499999 st:0 invalid dropping
PTS -406750698235338944, next:499999 invalid dropping st:0
DTS -406750698235336896, next:546438 st:0 invalid dropping
PTS -406750698235336896, next:546438 invalid dropping st:0
DTS -406750698235334848, next:592877 st:0 invalid dropping
PTS -406750698235334848, next:592877 invalid dropping st:0
DTS -406750698235332800, next:639316 st:0 invalid dropping
PTS -406750698235332800, next:639316 invalid dropping st:0
DTS -406750698235330752, next:685755 st:0 invalid dropping
PTS -406750698235330752, next:685755 invalid dropping st:0
DTS -406750698235328704, next:732194 st:0 invalid dropping
PTS -406750698235328704, next:732194 invalid dropping st:0
DTS -406750698235326656, next:778633 st:0 invalid dropping
PTS -406750698235326656, next:778633 invalid dropping st:0
DTS -406750698235324608, next:825072 st:0 invalid dropping
PTS -406750698235324608, next:825072 invalid dropping st:0
DTS -406750698235322560, next:871511 st:0 invalid dropping
PTS -406750698235322560, next:871511 invalid dropping st:0
DTS -406750698235320512, next:917950 st:0 invalid dropping
PTS -406750698235320512, next:917950 invalid dropping st:0
DTS -406750698235318464, next:964389 st:0 invalid dropping
PTS -406750698235318464, next:964389 invalid dropping st:0
size=N/A time=00:00:01.00 bitrate=N/A
video:0kB audio:86kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 20914676107837440.000000%
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/3598>
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