[FFmpeg-user] Joining 2 mkv videos

[JD]

On 09/15/2017 02:11 PM, Kieran O Leary wrote:
> On Fri, Sep 15, 2017 at 8:41 PM, JD <jd1008 at gmail.com> wrote:
>> So far I have failed.
>>
> What have you tried and what errors did you receive?
>
>> Any help with this?
>>
> https://trac.ffmpeg.org/wiki/Concatenate
>
> Sometimes, if I'm on a unix system, I just put the files in a new
> directory and run (stolen from that wiki):
>
> for f in ./*.mkv; do echo "file '$f'" >> mylist.txt; done
> ffmpeg -f concat -safe 0 -i mylist.txt -c copy output.mkv
>
> And that usually does the trick. That really only works if both files
> have the same specs.
> I just tried with your youtube links and it failed because of the
> apostophe in the downloaded filename
> file './A brief animation of David Hudson's theory of ormus.-Bhx3HEV_6FQ.mkv'
>
> so I removed that apostrophe and all worked fine. The order might have
> been off so you can just alter myfile.txt to get the right order. Or
> add something to the for loop that sorts everything in the way you
> like.
>
> -K


~/bin/ffmpeg.d/ffmpeg -f concat -i 
$PWD/A_brief_animation_of_David_Hudsons_Discovery_of_Ormus-p1.mkv -i 
$PWD/A_brief_animation_of_David_Hudsons_Discovery_of_Ormus-p2.mkv -c 
copy A_brief_animation_of_David_Hudsons_Discovery_of_Ormus.mkv

ffmpeg version N-86761-g80b9e40b6f-static 
http://johnvansickle.com/ffmpeg/  Copyright (c) 2000-2017 the FFmpeg 
developers
   built with gcc 5.4.1 (Debian 5.4.1-11) 20170519
   configuration: --enable-gpl --enable-version3 --enable-static 
--disable-debug --disable-ffplay --disable-indev=sndio 
--disable-outdev=sndio --cc=gcc-5 --enable-fontconfig --enable-frei0r 
--enable-gnutls --enable-gray --enable-libass --enable-libfreetype 
--enable-libfribidi --enable-libmp3lame --enable-libopencore-amrnb 
--enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus 
--enable-librtmp --enable-libsoxr --enable-libspeex --enable-libtheora 
--enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis 
--enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 
--enable-libxvid --enable-libzimg
   libavutil      55. 67.100 / 55. 67.100
   libavcodec     57.100.104 / 57.100.104
   libavformat    57. 75.100 / 57. 75.100
   libavdevice    57.  7.100 / 57.  7.100
   libavfilter     6. 95.100 /  6. 95.100
   libswscale      4.  7.101 /  4.  7.101
   libswresample   2.  8.100 /  2.  8.100
   libpostproc    54.  6.100 / 54.  6.100
[concat @ 0x4e03020] Line 1: unknown keyword '?Eߣ?'
/sdb3/Movies/MonoAtomic_Gold-Ormus/A_brief_animation_of_David_Hudsons_Discovery_of_Ormus-p1.mkv: 
Invalid data found when processing input