All Questions
84
questions
0
votes
0
answers
230
views
Can ffmpeg be used to reduce encoded file size back to original after OBS+VLC workflow?
Wondering if ffmpeg could help me reduce the size of the resulting file called "OBS_VLC_replay.mp4" which is produced as a result of using VLC to playback a video at x1.3 speed (with audio pitch ...
- 659
5
votes
1
answer
10k
views
FFMpeg Error While Decoding Stream Cannot Allocate Memory
I am attempting to create a picture in a picture video from two mp4 videos.
There is a time offset on the first input file (0:v).
The second input (1:v) file is being rotated 90 degrees.
I am using ...
- 529
1
vote
2
answers
6k
views
FFMPEG 4.0 Opus Codec Not Enabled?
I just compiled and installed ffmpeg-4.0 on my Kubunut 17.10 laptop, and and I'm getting an error when trying to do conversions using the opus components. It appears that opus is not enabled, and I ...
- 299
2
votes
1
answer
715
views
FFMpeg Sound Lost When Short Overlay Video Ends
I am creating a video file that is 36 seconds long. It is made of three .mp4 files. One video file is the background and the other two videos are overlays. One of the overlay videos ends about 26 ...
- 529
1
vote
1
answer
530
views
How to batch remux audio of .MOV files?
I have about a hundred home video files that I am recompressing for archival purposes. I want to convert them all to x264 using HandBrake, but I have a problem with the audio. They all follow this ...
- 31
10
votes
1
answer
13k
views
Use FFMPEG to combine MP4 and MP3 file?
I have two files, video.mp4 and genaudio.mp3 (both same length). How can I merge the MP3 file with the MP4 using FFMPEG (or any command line program)?
This is what I have so far, but it doesn't ...
- 103
1
vote
1
answer
3k
views
How can I convert video and stream it at same time use ffmpeg
linux vps , input video "phoenix.mkv" blueray quality
I want convert it
Video Quality : youtube 720p
Audio Quality : "MONO" , "libfaac" , "bitrate 112"
Output File : "output.mp4" or AnyFormat
...
- 11
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
1k
views
Convert Blu-Ray to MP4
I have been playing for about 2 weeks now on handbrake trying to convert my Panasonic handycam videos which are in m2ts format to mp4.
Here is the orignal file details:
General
ID ...
- 111
0
votes
1
answer
902
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
0
votes
0
answers
688
views
Hanbrake audio annomalies with h.264 and AAC audio with large 9 GB source file
Using Handbrake 1.0.2
Source file is 9.3 GB AVI using h.264 codec lossless and AAC for audio
Source file plays fine in VLC, audio sounds perfect
When encoding source file to h.264 constant quality 32,...
- 495
0
votes
0
answers
998
views
ffmpeg converts audio out of sync
I am converting a sample .mkv file to a .mp4 file. The problem I run into is that the sound is out of sync. As you can see in the log, the longer the movie plays, the closer in sync audio and video ...
3
votes
1
answer
7k
views
Video cut with missing frames in FFmpeg
I have tried every possible command to cut a portion (1-3 mins) of an H.264 mp4 video but it comes out good & bad. My video is 29.97 FPS, 1080p, ~80 minutes, ~3.5 GB, and at ~6200 KB/s bitrate. ...
- 31
0
votes
1
answer
1k
views
ffmpeg extract audio from streaming mp4
I am trying to extract audio from streaming mp4,it succeeds on
ffmpeg -i http://www.sample-videos.com/video/mp4/720/big_buck_bunny_720p_1mb.mp4 out2.mp3
But it fails on this facebook mp4 streaming ...
0
votes
1
answer
4k
views
FFMEG won't transcode from 7.1 AAC to 7.1 eAC3
Have been trying to convert my video files from AAC to eAC3. I don't have Adobe Media Encoder, and am trying to do this with FFMPEG. Any help is
Note: I have copies of the following software that ...
- 217