Linked Questions
25 questions linked to/from Resizing videos with ffmpeg/avconv to fit into static sized player
4
votes
1
answer
3k
views
How to split video files upon detected change in resolution? (ie. recorded streams containing multiple widths)
I have many video files (flv/mp4) that change resolution mid-stream (720p/1080p/640).
I would like to use something like ffmpeg to automatically detect the change in resolution and split the videos ...
- 81
2
votes
1
answer
5k
views
ffmpeg - joining 2 videos to play one after another
I'm trying to join two video files together - I'm piping the commands through PHP exec() as these videos are selected by the user. I can get it working, in that it does output a video of the correct ...
- 121
0
votes
2
answers
2k
views
How to use aspect parameter of pad in ffmpeg?
I am trying to convert a large number of files from many sources into a standard format of 426x240 using ffmpeg with the following arguments:
-y -i input.mov -ac 2 -ab 96k -ar 44100 -vcodec libx264 -...
- 422
1
vote
2
answers
2k
views
FFMpeg - JPG/PNG images render in incorrect orientation in MP4 output file and can't be combined in same MP4 video
I am a new user to FFMpeg.
I want a command-line that will create a basic slideshow MP4 video from a folder of JPG and/or PNG images. The images are sourced from either digital cameras/smartphones or ...
- 13
0
votes
1
answer
1k
views
using ffmpeg on both landscape and portait pics
I'm using the following command:
ffmpeg -i port001.jpg -vf "scale=100:-1" /tmp/1/port_converted_100-1.jpg
It is working fine on landscape pics but it automatically rotate the portrait pics.
Any idea ...
- 1
0
votes
1
answer
911
views
FFmpeg concatenation dropping part of first video
I am using ffmpeg.exe to concatenate two videos together. The first video is essentially a five-second intro rendered at 1080p at 25 frames per second, and it will always stay the same format. The ...
- 139
1
vote
1
answer
837
views
Converting Unix script to Windows batch for FFmpeg resizing
I want to reduce video dimension to 720:480 & keep original aspect ration when input video width > 720 else, keep original dimension and aspect ratio.
I am trying to reproduce this script in a ...
- 149
0
votes
1
answer
465
views
How to insert a video intro with ffmpeg
I want to insert a video intro, i use below filter to generate multiple resolution with watermark but couldn't figure out how to add intro.
{executable} -i {fileInput} -i {watermark} -filter_complex &...
0
votes
1
answer
420
views
FFMPEG need help to optimize the command
I'm doing multiple operations with FFMPEG.
I have 5 files.
intro_image.jpg: This is an image of any resolution but will be jpeg.
intro_audio.mp3: This audio is static input of duration 7 seconds.
...
- 103
0
votes
0
answers
162
views
Resize images and fit into frames in FFMPEG
I want to resize several images of different sizes.
I need to fit it all into the frame.
But it completely fill the height or width. Pixels are all saved.
Maintaining proportions. Increase or decrease ...
- 1