Guys,
Trying to listen to FFmpeg output, and ‘sometimes’ strange things happen.
On Windows 10, tried running FFmpeg from a batch file while redirecting the
FFMpeg output to a file.
Then, during it’s work, my work copies the file to a fresh one, open it and
read the contents.
When FFmpeg tells my work that it’s done, I try to delete the output.txt files.
However, sometimes they are locked. Any clues how that can happen?
Now, I switched to plan B. Shelling to FFmpeg and listen to StdOut.
(Ok, a more logical approach, but there was a reason for Plan A, don’t ask…)
This all seems to work fine, except that FFmpeg every now and then returns:
Exiting normally, received signal 15
(Here I've switched to Win 7 for testing)
But I’m pretty sure I did not send a cmd-Q or alike…
And it’s totally random when it happens. FFmpeg is just rewrapping ProRes QT
with a bit of audio patching.
It’s not a biggy, as I can catch it and fire the same command again, but
nevertheless I’d like to know what I’m doing wrong.
thx,
Bouke
ffmpeg version 3.2.2 Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 5.4.0 (GCC)
configuration: --enable-gpl --enable-version3 --enable-dxva2 --enable-libmfx
--enable-nvenc --enable-avisynth --enable-bzlib --enable-fontconfig
--enable-frei0r --enable-gnutls --enable-iconv --enable-libass
--enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype
--enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug
--enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp
--enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora
--enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc
--enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
--enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid
--enable-libzimg --enable-lzma --enable-decklink --enable-zlib
libavutil 55. 34.100 / 55. 34.100
libavcodec 57. 64.101 / 57. 64.101
libavformat 57. 56.100 / 57. 56.100
libavdevice 57. 1.100 / 57. 1.100
libavfilter 6. 65.100 / 6. 65.100
libswscale 4. 2.100 / 4. 2.100
libswresample 2. 3.100 / 2. 3.100
libpostproc 54. 1.100 / 54. 1.100
Guessed Channel Layout for Input Stream #0.1 : hexadecagonal
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'M:\Petar\input\Capture0000 - Copy
(9).mov':
Metadata:
creation_time : 2017-01-24T03:15:23.000000Z
timecode : 01:02:40:28
Duration: 00:00:25.17, start: 0.000000, bitrate: 164864 kb/s
Stream #0:0(eng): Video: prores (apcn / 0x6E637061), yuv422p10le(bt709,
progressive), 1920x1080, 146776 kb/s, SAR 1:1 DAR 16:9, 30 fps, 30 tbr, 3k tbn,
3k tbc (default)
Metadata:
creation_time : 2017-01-24T03:15:23.000000Z
handler_name : Apple Alias Data Handler
encoder : Apple ProRes 422
Stream #0:1(eng): Audio: pcm_s24le (lpcm / 0x6D63706C), 48000 Hz,
hexadecagonal, s32 (24 bit), 18432 kb/s (default)
Metadata:
creation_time : 2017-01-24T03:15:23.000000Z
handler_name : Apple Alias Data Handler
Stream #0:2(eng): Data: none (tmcd / 0x64636D74), 0 kb/s (default)
Metadata:
creation_time : 2017-08-04T12:45:41.000000Z
handler_name : Apple Alias Data Handler
reel_name : input
timecode : 01:02:40:28
-map_channel is forwarded to lavfi similarly to -af pan=0x4|c0=c0.
[pan @ 02f95a00] Pure channel mapping detected: 0
-map_channel is forwarded to lavfi similarly to -af pan=0x4|c0=c1.
[pan @ 02f78060] Pure channel mapping detected: 1
-map_channel is forwarded to lavfi similarly to -af pan=0x4|c0=c2.
[pan @ 02f78360] Pure channel mapping detected: 2
-map_channel is forwarded to lavfi similarly to -af pan=0x4|c0=c3.
[pan @ 02f78660] Pure channel mapping detected: 3
Output #0, mov, to 'M:\Petar\output\Capture0000 - Copy (9).mov':
Metadata:
timecode : 01:02:40:28
encoder : Lavf57.56.100
Stream #0:0(eng): Video: prores (apcn / 0x6E637061), yuv422p10le(bt709,
progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 146776 kb/s, 30 fps, 30
tbr, 12k tbn, 3k tbc (default)
Metadata:
creation_time : 2017-01-24T03:15:23.000000Z
handler_name : Apple Alias Data Handler
encoder : Apple ProRes 422
reel_name : input
Stream #0:1(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32
(24 bit), 1152 kb/s (default)
Metadata:
creation_time : 2017-01-24T03:15:23.000000Z
handler_name : Apple Alias Data Handler
encoder : Lavc57.64.101 pcm_s24le
Stream #0:2(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32
(24 bit), 1152 kb/s (default)
Metadata:
creation_time : 2017-01-24T03:15:23.000000Z
handler_name : Apple Alias Data Handler
encoder : Lavc57.64.101 pcm_s24le
Stream #0:3(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32
(24 bit), 1152 kb/s (default)
Metadata:
creation_time : 2017-01-24T03:15:23.000000Z
handler_name : Apple Alias Data Handler
encoder : Lavc57.64.101 pcm_s24le
Stream #0:4(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32
(24 bit), 1152 kb/s (default)
Metadata:
creation_time : 2017-01-24T03:15:23.000000Z
handler_name : Apple Alias Data Handler
encoder : Lavc57.64.101 pcm_s24le
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (pcm_s24le (native) -> pcm_s24le (native))
Stream #0:1 -> #0:2 (pcm_s24le (native) -> pcm_s24le (native))
Stream #0:1 -> #0:3 (pcm_s24le (native) -> pcm_s24le (native))
Stream #0:1 -> #0:4 (pcm_s24le (native) -> pcm_s24le (native))
Press [q] to stop, [?] for help
Exiting normally, received signal 15.
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