All Questions
Tagged with video conversion
182
questions
0
votes
0
answers
74
views
How to post-process these Blu-Ray files?
I have downloaded some video files (MP4) from the web and want to create a BD from them. I've used ConvertXtoHD3 for that, and it does basically a nice job, with menus and all that. Unfortunately the ...
0
votes
1
answer
2k
views
How can I get a video URL list (e.g. YouTube playlist) as a playlist file (for media players)?
Following these steps has gotten me almost all the way:
I can get a text file of YouTube URLs from a YouTube playlist by using this https://thetubelab.com/get-all-urls-of-youtube-playlist-channel/ ...
- 103
0
votes
1
answer
438
views
ffmpeg on Linux - convert video to play on iPhone [solved]
I am converting Hi8 to .mkv, .mp4 or .avi using ffmpeg on Linux (Gentoo).
I am trying to convert small clips to play on an iPhone, iPad (iOS)
The following will convert but it will not play on an ...
- 1
0
votes
0
answers
146
views
FFMpeg fails with LZW decode failed / invalid block label when converting gif to mp4
I'm using FFmpeg to convert gif into mp4 files. On some gif files I encounter an invalid block label error. The program seems to still output an okay mp4 file but I'd rather it not encounter the error ...
0
votes
0
answers
95
views
shrink multi videos into specific time using ffmpeg
I have multiple videos with the different length. And The Desired output of All those video length is 58 seconds only.
Here I tried but don't know what's should i replace here *****
ffmpeg -i video1....
- 1
0
votes
0
answers
257
views
PowerShell script to process audio streams with ffmpeg results in unexpected conversion
So, I've gone down the rabbit hole trying to do recursive conversions with ffmpeg using powershell.
The script is almost doing what i want it to, but not completely.
In this argument, AC3 is converted ...
- 1
0
votes
0
answers
200
views
Pixel Art Gif to Webm
I have a large gif file (100+ MB) and I'd like to convert it to webm to reduce the size of the final file to 10-12 MB. I'm using ffmpeg to do this and it converts the file just fine except the ...
- 1
2
votes
1
answer
259
views
convert huge amount of mp4 videos to audio in short time
previously i used to think i can convert say 100G video to audio in matters of seconds because i thought video and audio are seperare in mp4 format and converting video to audio is like doing an easy ...
- 23
0
votes
0
answers
1k
views
FFMpeg and Handbrake video size differences
I have to use ffmpeg on my windows OS because I need different filters and settings but I noticed that the videos I'm translating are a bit big and ffmpeg disappointed me when I started trying ...
- 1
5
votes
1
answer
10k
views
How do i convert animated webp to Video?
Goal :
convert Webp to mp4
what i have tried :
ffmpeg -i filename.webp filename.mp4
it's clearly not the good code. can anyone show me the way
it can be with anything like imagemagick, sharp
- 51
0
votes
1
answer
670
views
FFmpeg commands for best quality conversion mp4 to DVD9 PAL
I need to convert a mp4 H264 to DVD9 PAL with the best video quality.
I have tried to convert by WinFF, using the profile DVD PAL HQ Widescreen and the I added some commands like this:
-f null -target ...
- 1
0
votes
1
answer
2k
views
Convert HEVC mkv to mp4 without transcoding
I'm trying to remux h265 MKV to MP4 without transcoding.
My demo video is tears-of-steel.
I'm using the following command but I cannot play the resulting file
ffmpeg -i tos-1720x720-cfg01.mkv -tag:v ...
- 101
4
votes
2
answers
3k
views
Convert MPEG4 to AMV via ffmpeg
I am trying to convert a MPEG4 video to AMV via ffmpeg. I've searched through web about the appropriate formatand and also tried to check another AMV video parametrs. So I've found that there should ...
0
votes
0
answers
117
views
Failing to install SUPER video converter
I am trying to install Super Video Converter ( SUPER 2020 build 77), but facing an error-
Runtime Error
Cannot Import
I need help
OS: Windows
I download from below link-
https://www.filehorse.com/...
- 41
0
votes
1
answer
632
views
ffmpeg drawtext timecode changes duration
normally when I change framerates, I use Adobe Premiere and interpret video material as new framerate, so the duration changes. Thats fine. But because this is a mkv file I wanted to convert, I use ...
0
votes
1
answer
252
views
Image sequence to animation with motion trail?
Let's say, I have an image sequence - here is an example of generating such a sequence in bash, using ImageMagick convert:
for i in $(seq 1 10); do fname=$(printf "circle_%02d.png" $i); x=$((...
- 1,402
0
votes
2
answers
2k
views
ffmpeg: How to copy all but also add in a convert of an existing audio stream?
I have several videos that have video, AAC audio, some with an additional alternate content audio stream, and subtitles.
What I want to do is to copy EVERYTHING as-is while inserting a converted a:0 ...
- 46
0
votes
1
answer
6k
views
How to convert 4K .mkv to .mp4 for YouTube
I want to convert small clips of a 4K movie to .mp4 without losing quality so I can upload them to YouTube. Loading a whole movie into Premiere Pro and then cutting it at exact points is already a ...
0
votes
1
answer
5k
views
HDMI to AV converter is created low-quality / fuzzy images
I'm using a generic HDMI to AV converter like the following:
https://www.amazon.ca/Converter-Techole-Aluminum-Composite-Converter/dp/B0837FTD19/
And it works... sort of. The screen is replicated on ...
- 79
2
votes
2
answers
2k
views
AAC audio extracted using ffmpeg gets shortened when converted to WAV
I have an .mp4 video encoded in H264 and AAC. I extracted the audio so that I could make some changes in Audacity and use ffmpeg to combine the video and new audio. But it turned out that while the ...
- 21
0
votes
0
answers
66
views
ffmpeg: how to convert mov file to gif , and gif is resized [duplicate]
how to use ffmpeg to convert mov file to gif , and gif is resized directly?
Here is the raw file
I firstly convert mov to gif,
ffmpeg -i input.mov -pix_fmt rgb24 output.gif,
then use imageMagick ...
- 321
0
votes
0
answers
1k
views
ffmpeg deinterlace yadif=1 with NTSC to PAL converted VOBs
I have some VOBs that were stream copied from PAL DVDs, although the original work was NTSC produced in N. America. Sample image is Full frame image.
When converting the aforementioned I use ffmpeg ...
- 81
4
votes
1
answer
1k
views
Convert PNG frames to video with missing frames
I have a camera that records at 30 FPS. I have found that the camera drops frames sometimes.
What I have are PNG files named _Color_<some_number>.png. For example, _Color_1.png to _Color_10000....
- 164
3
votes
1
answer
5k
views
Why does ffmpeg's "tonemap" tone mapping filter give me different colors depending on the output format?
I have a source video that is a UHD HDR MKV file using the HEVC codec. Specifically, the input video stream as reported by ffprobe is:
hevc (Main 10), yuv420p10le(tv, bt2020nc/bt2020/smpte2084), ...
- 429
1
vote
1
answer
2k
views
Using ffmpeg to convert video: solution to rejected AMV container?
Someone at Reddit inspires me to try this command:
ffmpeg -r 25 -i input.mp4 -c:v amv -vf scale=160:128 output.amv
Sadly, that produces an error:
Unable to find a suitable output format for 'output....
- 491
3
votes
2
answers
10k
views
FFmpeg can't convert mov with alpha channel to webm with alpha channel
I am trying to convert a mov with alpha channel to a webm with alpha channel by ffmpeg. However, what I got was the webm video without alpha channel. My methods are based on those link:
Alpha ...
- 41
1
vote
2
answers
3k
views
ffmpeg : CPU, ram or SSD? [closed]
I want to know what is the most important to convert a mp4 file to mp3 thanks to ffmpeg. CPU ? RAM ? SSD ? The threes ?
My server will convert 3-5 mp4 videos to mp3 at the same time. Duration of the ...
1
vote
1
answer
6k
views
How to convert raw 264 file to MP4 provided by Luowice IP camera?
I recently bought an IP camera by Luowice, model LWS-R8-2MP. The camera provides a function where a video is uploaded to a FTP server when motion is detected. The camera uploads .264 files. My plan is ...
- 314
0
votes
0
answers
1k
views
How to convert AVI-XVid to AVI-H264
I have a number of AVI movies with CoDec XVid-Mpeg-4;
my Sony TV (KDL50W805C) will not play these.
Other AVI movies with CoDec x264vfw-H264-Mpeg4-AVC
are accepted and play perfectly.
Can I convert ...
- 9
1
vote
1
answer
1k
views
FFMPEG conversion runs forever
I'm running web app that is using ffmpeg to convert image + audio to video and sometimes someone happens to upload something that will make ffmpeg run forever on 100% CPU until the whole drive is ...
- 113
1
vote
0
answers
878
views
How to use ffmpeg convert this file,the normal args can't convert it
The Video Link is here.
$ffmpeg -i 9.mp4 out.mp4
ffmpeg version N-86676-g45dbb40cd1-static http://johnvansickle.com/ffmpeg/ Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 5.4.1 (...
- 11
4
votes
3
answers
10k
views
FFMPEG: m4a to mp3 conversion using multiple cores
I use the following command to convert m4a format to mp3
ffmpeg -i audio.m4a -acodec libmp3lame audio.mp3
I've 32 x86 cores, however libmp3lame processes in a single thread. I know libmp3lame does ...
- 141
3
votes
1
answer
6k
views
Specify background color when converting GIF to MP4 with ffmpeg
I have an animated GIF with transparency. I want to convert it to an MP4. When I do so, the transparent regions are filled with fully opaque white. I'd like to specify the color used to replace these ...
- 133
3
votes
0
answers
265
views
Can I optimize a 4K file so it will direct play on my 4K tv?
I have a handful of 4K files I'd like to play locally over my network, (everything hardwired with cat6), to my 4K TV. Can Plex pre-transcode the files so I can view them stutter-free?
My server ...
- 4,066
6
votes
2
answers
7k
views
Converting a .flv file to .mp4 format through ffmpeg results in error
I currently use ffmpeg version 3.2.2, and the issue I run into is that when I try to convert a sample .flv file, it does not convert it properly to a the expected .mp4 format. The error I come across:
...
1
vote
1
answer
3k
views
Converting mp3 to mp4 with Image Using Ffmpeg
I'm trying to take an mp3 I have, and turn it into a video when combined with an image.
When I try, however, two things happen:
First, it won't play in Quicktime, even when I use -pix_fmt yuv420p.
...
- 125
0
votes
0
answers
359
views
MPEG-4 format to mp4v
I have two mp4 files, one is in MPEG-4, other is in mp4v.
I was able to convert mp4v to MPEG-4, but is it possible to convert mpv4 to MPEG-4 ?
Why is it that whatsapp takes one MPEG-4 as video and ...
- 113
0
votes
0
answers
353
views
Best / Minimal settings for ffmpeg?
I'm trying to get the best and most basic options to convert my avi video to webm. The audio is not a issue. It's the video. Currently, I've tried ffmpeg -i input.avi output.webm. This seems to only ...
- 253
1
vote
1
answer
926
views
MKV to MP4 container solution
Right now I am using ffmpeg to convert from MKV to MP4 for my movies and tv shows. However This can only be done in one folder at a time or one move at a time as they are all in their own folder. I ...
user510084
1
vote
0
answers
222
views
truncate last frame while converting single image + audio track to video in ffmpeg
thanks to the answers to this superuser question Combine one image + one audio file to make one video using FFmpeg i was able to create a video from a single image and an audio track.
i used PJ ...
- 11
3
votes
4
answers
10k
views
how to remove "Writing library" & "Encoding settings" from the video when used ffmpeg convert?
when I used this commond:
C:\Windows\bin\ffmpeg.exe -y -i f:\1.flv -vcodec h264 -s 1280x720 -acodec copy f:\output.mp4
The video output.mp4 information:
General
Complete name : F:...
- 31
1
vote
1
answer
4k
views
How to convert a video file from mkv to a format supported by the TV set?
I have a mkv video file which contains the following content:
> mkvmerge --identify original.mkv
File 'original.mkv': container: Matroska
Track ID 0: video (V_MPEGH/ISO/HEVC)
Track ID 1: audio (...
- 442
0
votes
3
answers
4k
views
Convert Humax recordings to mp4
I have some recordings on my Humax HDR Fox T2 that i'd like to convert to mp4 video so I can put them on the ipad. For each recording, i have four files, eg:
13K Hey Duggee_20160217_0741.hmt
...
- 3,029
0
votes
0
answers
379
views
Using 3ga and 3gp with ffmpeg
I have sometimes converted .3gp files from my Android voice recorder into .mp3, easy as pie - sometimes I combine image(s) and create videos from these recordins for Youtube, but when I try to convert ...
user586515
0
votes
1
answer
9k
views
Convert Audio 5.1 to Stereo [closed]
I am having issues playing the MKV video files I download on my friends TV, the TV shows I download have been playing just fine with no issues. The video portion of the files play flawlessly however ...
- 303
48
votes
6
answers
87k
views
Reduce Generated GIF Size Using FFMPEG
I'm developing android application that converts mp4 files into gifs using ffmpeg.
Problem is that generated gifs are huge in size. And another problem is that I can't use anything else than ffmpeg(e....
- 581
0
votes
2
answers
3k
views
Downsize 1080p video to 720p [closed]
I have a 1080p HD video and I want to reduce its size by converting it to 720p. I know there are software programs capable of doing this(Handbrake, Vidcoder, FFmpeg, etc.) but instead of the file size ...
0
votes
1
answer
1k
views
FFMPEG overlay filter partly conversion
I am trying to apply the overlay filter on the video to blend a single image for a few seconds. Since my video duration is about 1 min it seems wasteful when FFMPEG tries to re-encode the whole video ...
- 119
1
vote
1
answer
388
views
Limiting ffmpeg output
I just started compiling my own ffmpeg. I noticed with the precompiled builds, there is not a lot of output while ffmpeg is running, -nostats option. Is there either a way to compile those types of ...
- 11
5
votes
1
answer
36k
views
FFmpeg - Error while opening encoder for output stream #0:0
What's wrong about this command?
I want to convert a .avi format video to "video=h.264/.mp4, audio=.mp3" video.
ffmpeg -i "C:\video.avi" -c:v libx264 -preset slow -qp 0 -pass 2 -c:a mp3 -b:a 192k "C:\...
- 269