0
votes
0answers
100 views

FFmpeg/avidemux: fix packed B-frames

I'm transcoding some of my old mpeg4 videos (in avi containers) to h.264 with FFmpeg. Basically ffmpeg -i input.avi -c:v libx264 [x264 settings] -c:a libfdk_aac [aac settings] output.mp4 When doing ...
1
vote
1answer
123 views

How to convert any video to .avi with wmv1 codec using ffmpeg/avconv?

I have installed ffmpeg to convert a video. I am trying to convert a .mp4 to a .avi video with the codec wmv1. How to do this? I am using the command avconv in a Kubuntu terminal. Last attempt I did ...
1
vote
1answer
3k views

ffmpeg and the 'unable to find suitable output' error

I'm trying to convert a large MKV to an old-school AVI file. I'm trying this: ffmpeg -i video.mkv -s -codec:v mpeg4 -bf 1 -b 2567k -mbd 2 -g 300 -flags cgop -acodec copy video.avi but I get [NULL ...
0
votes
0answers
102 views

How does one take an MPEG4/MP3 AVI and re-encapsulate it in MP4?

I've been trying to take an old AVI file I have that has an MPEG4 video with MP3 audio and re-encapsulate it in an MP4 container. The audio was easy enough to figure out (-acodec libfaac), but I don't ...
0
votes
0answers
225 views

How do I get ffmpeg to generate useful (and not empty) thumbnails from AVI files?

I'm using Cumulus Clips to upload some videos from work to other work people. When I use the following thumbnail command with a WMV file, all is good. /usr/bin/ffmpeg -i ...
1
vote
0answers
500 views

FFmpeg AVI to MP4 preserves sound, but not images

Working with FFmpeg at a conversion (any file to MP4 (H.264/AAC)): ffmpeg -y -i testdatei.avi -i logo.jpg -filter_complex overlay=15:15,scale=-1:720 -c:v libx264 -profile:v baseline -preset medium ...
1
vote
1answer
3k views

converting to MXF using ffmpeg

I have been trying to use FFmpeg utility to convert a avi file using DNxHD to mxf format. I am using "FFmpeg" with params as following: ffmpeg -i ccvt_box.avi -vcodec dnxhd -video_size 1920x1080 -r ...
0
votes
1answer
397 views

ffmpeg trimmed video does not support jumping to a time position

After a video is cut, the player (mplayer) cannot jump to a specific time position anymore. Clicking the timeline will usually end the playback. How can this be fixed?
0
votes
1answer
1k views

How can I automate converting AVIs to mp4 and stuff them in iTunes?

I know I can use Handbrake to do this all by hand, but I'd like to automate the process. I'm on a Mac, so as a first step, I've tried downloading ffmpeg for the Mac but it's a nightmare to get it ...
0
votes
1answer
2k views

Error using ffmpeg to convert mkv to avi on Windows 7

I am using ffmpeg on a Windows 7 machine. I am trying to convert mkv files to either mp4 or avi. Here is the command I used: ffmpeg -i "C:\Path\To\Input.mkv" "C:\Path\To\Output.avi" Here is the ...
1
vote
1answer
297 views

ffmpeg kills my audio stream

i am converting a bunch of avi videos to mkv, using simply ffmpeg -i "foo.avi" "foo.mkv". Now i have the problem, that in my output-mkv-file exists one video stream (fine) but only the first audio ...
0
votes
1answer
3k views

.avi to .flv through ffmpeg

When I try to convert avi to flv, I always get gritty and pixelated output flv videos of size that are 1/4 of the the input avi videos were. The current set of parameters I use is ffmpeg -i input.avi ...
1
vote
2answers
7k views

how to combine or concatenate two video files with ffmpeg?

I have tried to concatenate 2 video files (avi) into one sigle video: cat input1.avi input2.avi | ffmpeg -f avi -i - -vcodec copy -acodec copy final.avi .. but this does not concatenate the videos. ...
1
vote
0answers
1k views

Convert compressed SWF to AVI (or MPEG etc) via FFmpeg

ffmpeg -i compressed.swf out.avi gives the error [swf @ 0x10180b000]Compressed SWF format not supported so I tried swfcombine -d compressed.swf -o decompressed.swf ffmpeg -i decompressed.swf ...
0
votes
1answer
245 views

How to convert ts files to avi in OSX

I have tried both mencoder and ffmpeg. With ffmpeg the sound was fine but there was no picture. With mencoder the video moved at half speed so the length was doubled. How can this be done right?
2
votes
3answers
8k views

How can I convert AVI files into MPGs with ffmpeg?

I have this problem with some AVI files. The output of ffmpeg -i file.avi contains the line [NULL @ 0x97c4d40]Invalid and inefficient vfw-avi packed B frames detected. Someone advised me to ...
0
votes
2answers
4k views

How to rip AVI from VOB using ffmpeg

I am trying to convert a VOB to an AVI. I have ripped an AVI from this VOB before using ffmpeg, but for some reason it's not working this time. This is what I tried: ffmpeg -sameq -acodec copy -i ...
1
vote
1answer
1k views

Lossless VOB conversion with ffmpeg

Is there a way to convert a VOB to another video format using ffmpeg without sacrificing audio or video quality?
11
votes
4answers
29k views

How to convert an MKV to AVI with minimal loss

To convert an MKV to AVI, I do two things. The first thing I do is this: ffmpeg -i filename.mkv -vcodec copy -acodec copy output.avi or this: ffmpeg -i filename.mkv -sameq -acodec copy output.avi ...