[FFmpeg-user] How to remove rotation of a video?

[Christian David]

Have you tried this?

https://stackoverflow.com/questions/15335073/can-i-set-rotation-field-for-a-video-stream-with-ffmpeg

Em seg., 24 de fev. de 2020 às 18:41, Ulf Zibis <Ulf.Zibis at gmx.de> escreveu:

> Hi,
>
> I have a video which is flaged rotated by 90 °, which is wrong. How can
> I delete this flag, preferably directly in the existing file?
>
> Here is the data:
> $ ffplay 20200205_161649.mp4
> ffplay version 3.4.6-0ubuntu0.18.04.1 Copyright (c) 2003-2019 the FFmpeg
> developers
>    built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
>    configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1
> --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
> --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping
> --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa
> --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
> --enable-libcdio --enable-libflite --enable-libfontconfig
> --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm
> --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg
> --enable-libopenmpt --enable-libopus --enable-libpulse
> --enable-librubberband --enable-librsvg --enable-libshine
> --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh
> --enable-libtheora --enable-libtwolame --enable-libvorbis
> --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265
> --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi
> --enable-omx --enable-openal --enable-opengl --enable-sdl2
> --enable-libdc1394 --enable-libdrm --enable-libiec61883
> --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264
> --enable-shared
>    libavutil      55. 78.100 / 55. 78.100
>    libavcodec     57.107.100 / 57.107.100
>    libavformat    57. 83.100 / 57. 83.100
>    libavdevice    57. 10.100 / 57. 10.100
>    libavfilter     6.107.100 /  6.107.100
>    libavresample   3.  7.  0 /  3.  7.  0
>    libswscale      4.  8.100 /  4.  8.100
>    libswresample   2.  9.100 /  2.  9.100
>    libpostproc    54.  7.100 / 54.  7.100
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '20200205_161649.mp4':0/0
>    Metadata:
>      major_brand     : mp42
>      minor_version   : 0
>      compatible_brands: isommp42
>      creation_time   : 2020-02-05T19:22:17.000000Z
>      com.android.version: 8.0.0
>    Duration: 00:04:08.84, start: 0.000000, bitrate: 17264 kb/s
>      Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661),
> yuv420p(tv, bt709), 1920x1080, 17003 kb/s, SAR 1:1 DAR 16:9, 30 fps, 30
> tbr, 90k tbn, 180k tbc (default)
>      Metadata:
>        rotate          : 90
>        creation_time   : 2020-02-05T19:22:17.000000Z
>        handler_name    : VideoHandle
>      Side data:
>        displaymatrix: rotation of -90.00 degrees
>      Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz,
> stereo, fltp, 256 kb/s (default)
>      Metadata:
>        creation_time   : 2020-02-05T19:22:17.000000Z
>        handler_name    : SoundHandle
>     5.16 A-V: -0.036 fd=   6 aq=   59KB vq= 2146KB sq=    0B f=0/0
>
> Thanks for a short advice,
> -Ulf
>
> --
> Von meinem Seibert gesendet
>
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-- 
_______________________________________________________

Christian David Moura de Freitas

NOC - Viva Telecom (AS264564)
Técnico em tecnologia na informação (Desenvolvimento Web e Redes de
computadores)
Graduando Ciência da Computação pela UERN