On Mon, Aug 08, 2016 at 20:38:53 -0400, Tim Hiles wrote:
> This has worked for me in the past. c:\ffmpeg.exe -loglevel error -i
> inputfile.wmv -vf "transpose=0" -vf "hflip" "converted.mp4" My apologies
This most certainly won't do what you *expect*, because ffmpeg will
respect only one "-vf" op
Hi Elie,
This has worked for me in the past. c:\ffmpeg.exe -loglevel error -i
inputfile.wmv -vf "transpose=0" -vf "hflip" "converted.mp4" My apologies
in advance if this is a n00b answer to your question.
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] Rotating an mp4 video on Windows
Hi!
2016-08-08 20:08 GMT+02:00 Elie Grouchko :
> The transposed video can be played back with VLC.
> With WPM I can hear the sound, but no video.
This is unexpected.
Could you test the following command lines?
$ ffmpeg -f lavfi -i testsrc -pix_fmt yuv420p
Hi!
2016-08-08 20:08 GMT+02:00 Elie Grouchko :
> The transposed video can be played back with VLC.
> With WPM I can hear the sound, but no video.
This is unexpected.
Could you test the following command lines?
$ ffmpeg -f lavfi -i testsrc -pix_fmt yuv420p -t 10 out1.mp4
$ ffmpeg -f lavfi -i tests
any key to continue . . .
-Original Message-
From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Peter
White
Sent: August-08-16 1:34 AM
To: FFmpeg user questions
Subject: Re: [FFmpeg-user] Rotating an mp4 video on Windows
Elie Grouchko wrote:
> I have been tryi
Carl Eugen Hoyos wrote:
2016-08-08 15:26 GMT+02:00 Peter White :
Carl Eugen Hoyos wrote:
WMP does not support lossless h264.
LOL, another "surprise". ;)
Not really: I forgot to mention that nothing except x264 and FFmpeg
supports lossless h264 afaik, especially no hardware decoders.
Oh,
Hi!
2016-08-08 15:26 GMT+02:00 Peter White :
> Carl Eugen Hoyos wrote:
>> 2016-08-08 10:34 GMT+02:00 Peter White :
>>>
>>> But for completeness' sake, a command that rotates and
>>> compresses the video losslessly:
>>>
>>> $ ffmpeg -i input.mp4 -vf "transpose=2" -c:v libx264 -crf 0 target.mp4
>>
>
Carl Eugen Hoyos wrote:
2016-08-08 13:43 GMT+02:00 Peter White :
Kieran O Leary wrote:
WMP 12 does not.
What a huge surprise! ;) Of course, WMP won't respect this. It only
tolerates mp4 and other formats with the least amount of effort, so
users don't go running away in masses:
WMP 12 sup
Carl Eugen Hoyos wrote:
Hi!
2016-08-08 10:34 GMT+02:00 Peter White :
But for completeness' sake, a command that rotates and compresses the
video losslessly:
$ ffmpeg -i input.mp4 -vf "transpose=2" -c:v libx264 -crf 0 target.mp4
WMP does not support lossless h264.
LOL, another "surprise". ;
2016-08-08 13:43 GMT+02:00 Peter White :
> Kieran O Leary wrote:
>> WMP 12 does not.
>
> What a huge surprise! ;) Of course, WMP won't respect this. It only
> tolerates mp4 and other formats with the least amount of effort, so
> users don't go running away in masses:
WMP 12 supports many useful t
Hi!
2016-08-08 10:34 GMT+02:00 Peter White :
> But for completeness' sake, a command that rotates and compresses the
> video losslessly:
>
> $ ffmpeg -i input.mp4 -vf "transpose=2" -c:v libx264 -crf 0 target.mp4
WMP does not support lossless h264.
Carl Eugen
_
Kieran O Leary wrote:
On Mon, Aug 8, 2016 at 10:07 AM, Peter White wrote:
$ ffmpeg -i input.mp4 -c copy -metadata:s:v rotate=270 target.mp4
But this obviously needs to be respected by the playback application, so
YMMV. VLC does work with this.
WMP 12 does not.
What a huge surprise! ;) Of
Hi,
On Mon, Aug 8, 2016 at 10:07 AM, Peter White wrote:
> $ ffmpeg -i input.mp4 -c copy -metadata:s:v rotate=270 target.mp4
>
> But this obviously needs to be respected by the playback application, so
> YMMV. VLC does work with this.
>
I tested this with windows 7. VLC does indeed respect the r
Peter White wrote:
Elie Grouchko wrote:
I have been trying to rotate an mp4 video file on Windows, without
affecting the quality, encoding, etc. ...
I believe that is not possible. At least I cannot think of a way of
doing it without re-encoding.
Huh, apparently it is possible to do this los
Elie Grouchko wrote:
> I have been trying to rotate an mp4 video file on Windows, without
> affecting the quality, encoding, etc. ...
I believe that is not possible. At least I cannot think of a way of
doing it without re-encoding.
> ... but the output file is not compatible with WMP.
Yikes! Th
Hi Elie
On 8 Aug 2016 8:49 a.m., "Elie Grouchko" wrote:
>
> Hi,
>
> I am new to ffmpeg.
>
> I have been trying to rotate an mp4 video file on Windows, without
affecting the quality, encoding, etc., but the output file is not
compatible with WMP.
>
> The command I have been using:
> ffmpeg -i sou
Hi,
I am new to ffmpeg.
I have been trying to rotate an mp4 video file on Windows, without affecting
the quality, encoding, etc., but the output file is not compatible with WMP.
The command I have been using:
ffmpeg -i source.mp4 -vf "transpose=2" target.mp4
I tried all the options I have bee
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