I was simply ignoring writing this articles but after writing articles on Installing FFMPEG on Linux i couldn’t resist on writing this article. Anyways this article will guide you on how you can convert audio video formats using FFMPEG.
This articles in divided in various sections
- Parameter Used
- Command Line Syntax
- Conversion Examples
Parameter Used:
Common Parameters
| -i ‘filename’ | Filename will be the Path of Source Filename |
| -y | Overwrite the existing output file without prompting |
| -an | disable audio |
Video Related Parameters
| -aspect ‘aspect ratio’ | Set Aspect Ratio for the video (4:3, 16:9 or 1.3333, 1.7777) |
| -r ‘rate’ | set frame rate in Hz for the video |
| -s ’size’ | set video resolution size (Width x Height) |
| -sameq | use same video quality as source |
Audio Related Parameters
| -ar ‘rate’ | set audio sampling rate (in Hz) |
| -acodec ‘codec’ | force audio codec E.g. mp3 |
| -vol ‘volume’ | change audio volume (256=normal) |
| -ab ‘rate’ | set audio bit rate (in bits/s) |
Advanced Parameters
| -map_meta_data output file:input file | Copy the Metadata from Input File to Converted output file |
Command Line Syntax
ffmpeg –i ‘input filename’ ‘output filename’
- Syntax Example:
[root@linux /]# ffmpeg -i demo.mpg demo.flv
Here FFMPEG will convert demo.mpg file to demo.flv
Conversion Examples:
Video Examples:
- Converting MOV to FLV using FFMPEG
ffmpeg -i movie1.mov movie1.flv
This will convert movie1.mov file to movie1.flv
- Converting Mpeg to FLV using FFMPEG
ffmpeg -i movie1.mpeg movie1.flv
This will convert movie1.mpeg file to movie1.flv
- Converting AVI to FLV using FFMPEG
ffmpeg -i movie1.avi -s 500×500 movie1.flv
This will convert movie1.avi file to movie1.flv and will resize the video resolution to 500×500
- Converting 3GP to FLV using FFMPEG
ffmpeg -i movie1.3gp -sameq -an movie1.flv
This will convert movie1.3gp file to movie1.flv and will keep the original file settings and will disable the audio content - Converting MPEG to 3GP using FFMPEG
ffmpeg -i movie1.mpeg -ab 8.85k -acodec libamr_wb -ac 1 -ar 16000 -vcodec h263 -s qcif movie2.3gp
Audio Examples:
- Converting aac to mp3 using FFMPEG with MetaData
ffmpeg -i audio1.aac -ar 22050 -ab 32 -map_meta_data audio1.mp3:audio1.aac audio1.mp3
This will convert audio1.aac to audio1.mp3 having audio rate 22.05 Khz
and Audio BitRate 32Khz and will copy the meta data from .aac file to
.mp3 file
- Converting WMV to MP3 using FFMPEG
ffmpeg -i audio1.wmv audio1.mp3
This will convert audio1.wmv file to audio1.mp3
- Converting WMV to FLV using FFMPEG
ffmpeg -i audio1.wmv audio1.flv
This will convert audio1.wmv file to audio1.flv, this will generate only audio content
- Converting AMR to MP3 using FFMPEG
ffmpeg -i audio1.amr -ar 22050 audio1.mp3
This will convert audio1.amr file to audio1.mp3 having audio rate 22.05 Khz
- Converting aac to mp3 using FFMPEG
ffmpeg -i audio1.aac -ar 22050 -ab 32 audio1.mp3
This will convert audio1.aac to audio1.mp3 having audio rate 22.05 Khz and Audio BitRate 32Khz
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