[FFmpeg-trac] #5072(undetermined:new): Weird filter error: Not connected to any destination
FFmpeg
trac at avcodec.org
Sun Dec 6 23:07:21 CET 2015
#5072: Weird filter error: Not connected to any destination
-------------------------------------+-------------------------------------
Reporter: | Type: defect
michael.heuberger | Priority: normal
Status: new | Version:
Component: | unspecified
undetermined | Blocked By:
Keywords: | Reproduced by developer: 0
Blocking: |
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
To reproduce, use this command:
{{{
ffmpeg
-r 15.184325488557473
-f image2
-thread_queue_size 64
-i /frames/%d.webp
-i videomail_preview.wav
-y
-acodec aac
-strict experimental
-ar -1
-ac 1
-vcodec libx264
-vf scale=trunc(iw/2)*2:trunc(ih/2)*2
-crf 16
-preset fast
-profile:v baseline
-pix_fmt yuv420p
-loglevel warning
-movflags faststart videomail_good.mp4
-acodec libvorbis
-ar -1
-ac 1
-vcodec libvpx
-vf scale=trunc(iw/2)*2:trunc(ih/2)*2
-crf 8
-deadline good
-cpu-used 1
-pix_fmt yuv420p
-loglevel warning
-movflags faststart videomail_good.webm
}}}
causes following error
{{{
ffmpeg exited with code 1: Output pad "default" with type audio of
the filter instance "Parsed_anull_0" of anull not connected to any
destination
Error opening filters!
}}}
and this is my version
{{{
$ ffmpeg -version
ffmpeg version N-76944-g15206ff Copyright (c) 2000-2015 the FFmpeg
developers
built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04)
configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --enable-avresample
--disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-
libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb
--disable-decoder=amrwb --enable-libpulse --enable-libdcadec --enable-
libfreetype --enable-libx264 --enable-libx265 --enable-libfdk-aac
--enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx
--enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr
--enable-libxvid --enable-libvo-aacenc --enable-libvidstab
libavutil 55. 9.100 / 55. 9.100
libavcodec 57. 16.101 / 57. 16.101
libavformat 57. 19.100 / 57. 19.100
libavdevice 57. 0.100 / 57. 0.100
libavfilter 6. 17.100 / 6. 17.100
libavresample 3. 0. 0 / 3. 0. 0
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
}}}
any ideas why this error and what's bad with the command I am using?
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5072>
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