Re: [FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
fyi, this is example of ffmpeg docker file with gpu encoding capabilities :
https://hub.docker.com/r/jrottenberg/ffmpeg/dockerfile
you take it, mod it for taking 4.1.2 ( FFMPEG_VERSION=4.2.1) , and make
patch mod in docker file
DIR=/tmp/ffmpeg && mkdir -p ${DIR} && cd ${DIR} && \
./configure \
DIR=/tmp/ffmpeg && mkdir -p ${DIR} && cd ${DIR} && \
patch -p1 --ignore-whitespace < /tmp/patch.txt && \
./configure \
and you fire:
docker build --tag ffmpeg:4.2.1.dts .
and you should be fine...
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Re: [FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
you should join the dockerfile you're executing, i can't know what commands you're executing and from where. ./configure is the conf command in ffmpeg src uncompressed dir, your commands batch (shell or docker) is not located in that folder at the time it issues the command, so, cd ffmpeg_unzipped_dir command is missing or you cd-ed somewhere else meanwhile... in a correct docker file all commands are ok for correct navigation b/w folders (temporary or packages git trunks etc) ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
I'm getting further thank you for your patience. It feels like the home stretch now. I run the command and it half works. It runs some but errors at the end. It seems to suggest it has patched some items. But then says a directory does not exist. Do I need to specify a directory instead of ? patching file fftools/ffmpeg.c Hunk #1 succeeded at 4435 (offset 48 lines). Hunk #2 succeeded at 4470 (offset 48 lines). Hunk #3 succeeded at 4510 (offset 51 lines). patching file fftools/ffmpeg.h Hunk #2 succeeded at 588 (offset -2 lines). patching file fftools/ffmpeg_opt.c Hunk #2 succeeded at 1207 (offset 50 lines). Hunk #3 succeeded at 3479 (offset 72 lines). bash: ./configure...: No such file or directory -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
go to /tmp and check what you've got where, like (ls is likz dir) : cd /tmp ls if you patch* is whre but not .txt rename it : /bin/mv patch* patch.txt ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
I have downloaded the file from the drive thanks. I have created a directory called /tmp on my machine and copied the file into that. I have the command $ curl -sLO https://ffmpeg.org/releases/ffmpeg-4.2.1.tar.gz && tar -zxf ffmpeg-4.2.1.tar.gz --strip-components=1 && patch -p1 --ignore-whitespace < /tmp/patch.txt && ./configure... && make... This gives me the error: /tmp/patch.txt: No such file or directory I assume i'm doing something really silly. Thanks for the help again. -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
or grab this : https://drive.google.com/file/d/1ByK7u-uOyPpUaIjVx7Ilq5tnY4rEad5e/view?usp=sharing :-) ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
save into patch.txt the part of URL http://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20180316/739542e4/attachment.obj starting from --- (till the end) (rather do wget URL && vi to del the useles mail header part, if you edit in win editor make sure you save in it unix format, txt files in win have different cr/lf format, or use texpad in win, it has save in unix format option) : --- fftools/ffmpeg.c | 54 +++- fftools/ffmpeg.h | 7 +++ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
That makes sense. Sorry my lack of linux showing now. I have updated the command and now get bash: /tmp/patch.txt "No such file or directory". Do I need to create the directory and paste in the code you provided. Or should docker do something to pick it up from git? Thought it would be best to ask before I create directories I don't need etc. -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
you're doing well, almost there :-) just leave 4.1.2 w/o $ sign, $ is for var's values in unix sh... ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
Hi I now have a ubuntu instance running and have installed docker. I ran the little hello world app they give and that ran. I ran the command you gave $ curl -sLO https://ffmpeg.org/releases/ffmpeg-$4.2.1.tar.gz && tar -zxf ffmpeg-$4.2.1.tar.gz --strip-components=1 && path -p1 --ignore-whitespace < /tmp/patch.txt && ./configure... && make... This gives an error that gzip: stdin: not in gzip format tar: child returned status 1 tar: Error is not recoverable: existing now Have I missed installing something? Thanks again -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
Thanks a lot for the details.
I am busy with some other bits at the moment but will look at this a bit
later and give it a go.
I posted this not expecting to hear back this quick.
I do seem to have some commands that seem to fix the timing on the video
(but the audio gets muddled).
If this patch fixes it then I might not need this. I just want to sanity
check my understanding.
My fix that seems to work for video is to run this on each segment:
*-y -r {fps} -use_wallclock_as_timestamps 1 -i {video} -vf scale=1920:-1 -r
{fps} -c:a copy*
My understanding is this tells the segment how many fps should be on the
input and resets the timestamps. The output will then set the scale and
regenerate the file to be the expected fps.
When this is run on all the files and then concatenated it seems to be the
expected result.
I don't know if this actually changes the pts and if this will be a "full
fix" or if this is more putting a plaster over the issue.
If I can get your suggestion running and it works then that would be a much
cleaner result.
--
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Re: [FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
oups, correction: dts patch works ok 1:1 up to 4.2.1 ...
.
say; if patch file is in /tmp/patch.txt, in docker (bask) commands (for
getting to ffmpeg's configure & make are like (patch is command, guess it'd
be patch.exe for win) :
FFMPEG_VERSION=4.2.1
curl -sLO https://ffmpeg.org/releases/ffmpeg-${FFMPEG_VERSION}.tar.gz && \
tar -zxf ffmpeg-${FFMPEG_VERSION}.tar.gz --strip-components=1 && \
patch -p1 --ignore-whitespace < /tmp/patch.txt && \
./configure... \
&& make...
On Wed, Oct 7, 2020 at 3:53 PM Philip Orrill
wrote:
> Thanks for the fast reply.
>
> I am quite new to the FFMPEG source code world. I have version 4.2.3. I am
> on windows and used chocolatey to get a build initially. The command
> doesn't
> exist (which i'm not surprised about since you said it was a patch).
>
> I have visual studio and cloned the branch from git.
>
> How do I apply the patch?
>
> Do I need to get the code changes that you displayed from git. Copy them
> into the code and re-compile?
>
> How can I find the change-set on github? I can see the added and removed
> lines from what you provided.
>
> I feel like i'm more likely to make a mistake copying and pasting like that
> then taking the code from git.
>
> I want to make sure I am on the right page to test this fix:
> 1) Get source code.
> 2) Override existing code with the code provided in the patch.
> 3)Recompile ffmpeg
> 4) test
>
> Does that sound correct?
> Thanks again
>
>
>
>
>
> --
> Sent from: http://www.ffmpeg-archive.org/
> ___
> ffmpeg-user mailing list
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Re: [FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
personally I wouldn't bother with windoze recompiling on a modern machine unless you're badly dependent windoze's gui etc. installing ubuntu in vm is a matter of 5-10 mins today (or 2 mins on aws, aws's free tiny instances can do sooo much stuff)... after your get linux you'd install docker in 3 commands and next, get dockerfile file for building ffmpeg's docker (i can actually give you docker file for building ffmpeg with this dts correction patch, cuz that patch a vital for one playout system used production (kind of diy vod to live system)). dockerfile has all the commands sequence for building ffmpeg.. i'm useless for helping with win/mac builds, the last time i recompiled ffmpeg was like 5 yrs ago and it was with cygwin/mingw gcc stuff :-P On Wed, Oct 7, 2020 at 3:53 PM Philip Orrill wrote: > Thanks for the fast reply. > > I am quite new to the FFMPEG source code world. I have version 4.2.3. I am > on windows and used chocolatey to get a build initially. The command > doesn't > exist (which i'm not surprised about since you said it was a patch). > > I have visual studio and cloned the branch from git. > > How do I apply the patch? > > Do I need to get the code changes that you displayed from git. Copy them > into the code and re-compile? > > How can I find the change-set on github? I can see the added and removed > lines from what you provided. > > I feel like i'm more likely to make a mistake copying and pasting like that > then taking the code from git. > > I want to make sure I am on the right page to test this fix: > 1) Get source code. > 2) Override existing code with the code provided in the patch. > 3)Recompile ffmpeg > 4) test > > Does that sound correct? > Thanks again > > > > > > -- > Sent from: http://www.ffmpeg-archive.org/ > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
Thanks for the fast reply. I am quite new to the FFMPEG source code world. I have version 4.2.3. I am on windows and used chocolatey to get a build initially. The command doesn't exist (which i'm not surprised about since you said it was a patch). I have visual studio and cloned the branch from git. How do I apply the patch? Do I need to get the code changes that you displayed from git. Copy them into the code and re-compile? How can I find the change-set on github? I can see the added and removed lines from what you provided. I feel like i'm more likely to make a mistake copying and pasting like that then taking the code from git. I want to make sure I am on the right page to test this fix: 1) Get source code. 2) Override existing code with the code provided in the patch. 3)Recompile ffmpeg 4) test Does that sound correct? Thanks again -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
hi,
try this patch :
http://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20180316/739542e4/attachment.obj
(explained here:
https://ffmpeg.org/pipermail/ffmpeg-devel/2018-March/226706.html)
but it works up to 4.1.3 .
On Wed, Oct 7, 2020 at 1:46 PM Philip Orrill
wrote:
> Hi there
>
> I have an input coming from an rtsp source in 2 second increments to
> convert
> to a HLS stream. The stream itself seems fine. However I do sometimes get
> the warning:
>
> *Non-monotonous DTS in output stream 0:0*
>
> my current command for obtaining the stream is
>
> *-stimeout 6000 -y -rtsp_transport tcp -use_wallclock_as_timestamps 1
> -i
> {url} -c:v copy -hls_segment_type mpegts -hls_time 2 -hls_list_size 5 -f
> hls
> output.m3u8*
>
> The idea was to then concatenate these together to get a full file. However
> the concatenation generates a file with a very different length. I may do a
> 10 minute video. When concatenated this comes out to be 15 minutes or more.
>
> I figured this was due to the warnings. I thought I could process each
> segment and re-generate the timestamps. I know all my files are around 2
> second long for instance. So re-generate and then concatenate.
>
> I am so far having no luck.
>
> *I have tried a few different commands below are some examples:*
>
> *Reset timestamps* -i "D:\TestFiles\output18.ts" -c:v libx264 -crf 17
> -preset veryfast -reset_timestamps 1 "D:\TestFiles\output18_new.ts"
>
> *setting framerate and fflags* -i "D:\TestFiles\output18.ts" -r 20 -c:v
> libx264 -preset veryfast -g 20 -fflags +genpts "D:\TestFiles\output18.mp4"
>
> *Vsync and wall clock* -i "D:\TestFiles\output18.ts" -r 20
> -use_wallclock_as_timestamps 1 -c:v libx264 -preset veryfast -vsync drop
> "D:\TestFiles\output18.mp4"
>
> The files are generated and I can concatenate them but the time is still
> off
> by a lot.
>
> Interestingly even when converting a single file from just a ts to an mp4
> the files changes more then I expect.
>
> For example the file size goes from 260KB to 694KB
>
> I have done a lot of tests and they all seem to produce slightly different
> wrong results.
>
> Here is an example from FFPROBE on the 2 files I have run.
>
> *ts file*
> ffprobe version git-2019-11-11-20c5f4d Copyright (c) 2007-2019 the FFmpeg
> developers
> built with gcc 9.2.1 (GCC) 20191010
> configuration: --enable-gpl --enable-version3 --enable-sdl2
> --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass
> --enable-libdav1d --enable-libbluray --enable-libfreetype
> --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
> --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy
> --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx
> --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265
> --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp
> --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc
> --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom
> --enable-libmfx --enable-ffnvcodec --enable-cuvid --enable-d3d11va
> --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
> --enable-libopenmpt --enable-amf
> libavutil 56. 35.101 / 56. 35.101
> libavcodec 58. 61.100 / 58. 61.100
> libavformat58. 34.101 / 58. 34.101
> libavdevice58. 9.100 / 58. 9.100
> libavfilter 7. 66.100 / 7. 66.100
> libswscale 5. 6.100 / 5. 6.100
> libswresample 3. 6.100 / 3. 6.100
> libpostproc55. 6.100 / 55. 6.100
> Input #0, mpegts, from 'D:\TestFiles\output18.ts':
> Duration: 00:00:01.99, start: 38.121067, bitrate: 1034 kb/s
> Program 1
> Metadata:
> service_name: Media Presentation
> service_provider: FFmpeg
> Stream #0:0[0x100]: Video: h264 (Main) ([27][0][0][0] / 0x001B),
> yuv420p(tv, bt709, progressive), 1920x1080, 20 fps, 24.92 tbr, 90k tbn, 40
> tbc
>
> *MP4*
> ffprobe version git-2019-11-11-20c5f4d Copyright (c) 2007-2019 the FFmpeg
> developers
> built with gcc 9.2.1 (GCC) 20191010
> configuration: --enable-gpl --enable-version3 --enable-sdl2
> --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass
> --enable-libdav1d --enable-libbluray --enable-libfreetype
> --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
> --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy
> --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx
> --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265
> --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp
> --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc
> --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom
> --enable-libmfx --enable-ffnvcodec --enable-cuvid --enable-d3d11va
> --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
> --enable-libopenmpt --enable-amf
> libavutil 56. 35.101 / 56. 35.101
> libavcodec
[FFmpeg-user] concatenating files in FFMPEG causing the wrong file length
Hi there
I have an input coming from an rtsp source in 2 second increments to convert
to a HLS stream. The stream itself seems fine. However I do sometimes get
the warning:
*Non-monotonous DTS in output stream 0:0*
my current command for obtaining the stream is
*-stimeout 6000 -y -rtsp_transport tcp -use_wallclock_as_timestamps 1 -i
{url} -c:v copy -hls_segment_type mpegts -hls_time 2 -hls_list_size 5 -f hls
output.m3u8*
The idea was to then concatenate these together to get a full file. However
the concatenation generates a file with a very different length. I may do a
10 minute video. When concatenated this comes out to be 15 minutes or more.
I figured this was due to the warnings. I thought I could process each
segment and re-generate the timestamps. I know all my files are around 2
second long for instance. So re-generate and then concatenate.
I am so far having no luck.
*I have tried a few different commands below are some examples:*
*Reset timestamps* -i "D:\TestFiles\output18.ts" -c:v libx264 -crf 17
-preset veryfast -reset_timestamps 1 "D:\TestFiles\output18_new.ts"
*setting framerate and fflags* -i "D:\TestFiles\output18.ts" -r 20 -c:v
libx264 -preset veryfast -g 20 -fflags +genpts "D:\TestFiles\output18.mp4"
*Vsync and wall clock* -i "D:\TestFiles\output18.ts" -r 20
-use_wallclock_as_timestamps 1 -c:v libx264 -preset veryfast -vsync drop
"D:\TestFiles\output18.mp4"
The files are generated and I can concatenate them but the time is still off
by a lot.
Interestingly even when converting a single file from just a ts to an mp4
the files changes more then I expect.
For example the file size goes from 260KB to 694KB
I have done a lot of tests and they all seem to produce slightly different
wrong results.
Here is an example from FFPROBE on the 2 files I have run.
*ts file*
ffprobe version git-2019-11-11-20c5f4d Copyright (c) 2007-2019 the FFmpeg
developers
built with gcc 9.2.1 (GCC) 20191010
configuration: --enable-gpl --enable-version3 --enable-sdl2
--enable-fontconfig --enable-gnutls --enable-iconv --enable-libass
--enable-libdav1d --enable-libbluray --enable-libfreetype
--enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy
--enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx
--enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265
--enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp
--enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc
--enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom
--enable-libmfx --enable-ffnvcodec --enable-cuvid --enable-d3d11va
--enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
--enable-libopenmpt --enable-amf
libavutil 56. 35.101 / 56. 35.101
libavcodec 58. 61.100 / 58. 61.100
libavformat58. 34.101 / 58. 34.101
libavdevice58. 9.100 / 58. 9.100
libavfilter 7. 66.100 / 7. 66.100
libswscale 5. 6.100 / 5. 6.100
libswresample 3. 6.100 / 3. 6.100
libpostproc55. 6.100 / 55. 6.100
Input #0, mpegts, from 'D:\TestFiles\output18.ts':
Duration: 00:00:01.99, start: 38.121067, bitrate: 1034 kb/s
Program 1
Metadata:
service_name: Media Presentation
service_provider: FFmpeg
Stream #0:0[0x100]: Video: h264 (Main) ([27][0][0][0] / 0x001B),
yuv420p(tv, bt709, progressive), 1920x1080, 20 fps, 24.92 tbr, 90k tbn, 40
tbc
*MP4*
ffprobe version git-2019-11-11-20c5f4d Copyright (c) 2007-2019 the FFmpeg
developers
built with gcc 9.2.1 (GCC) 20191010
configuration: --enable-gpl --enable-version3 --enable-sdl2
--enable-fontconfig --enable-gnutls --enable-iconv --enable-libass
--enable-libdav1d --enable-libbluray --enable-libfreetype
--enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy
--enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx
--enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265
--enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp
--enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc
--enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom
--enable-libmfx --enable-ffnvcodec --enable-cuvid --enable-d3d11va
--enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
--enable-libopenmpt --enable-amf
libavutil 56. 35.101 / 56. 35.101
libavcodec 58. 61.100 / 58. 61.100
libavformat58. 34.101 / 58. 34.101
libavdevice58. 9.100 / 58. 9.100
libavfilter 7. 66.100 / 7. 66.100
libswscale 5. 6.100 / 5. 6.100
libswresample 3. 6.100 / 3. 6.100
libpostproc55. 6.100 / 55. 6.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'D:\TestFiles\output18.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder :
