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Author Archives: jdriselvato
(FFmpeg) How to Stitch Segments to One Video?
Stitching videos generated by the segment filter is accomplished using the concat filter. See Question, “How to Splice a Video into Segments?”, for more details on segmenting video output. Imagine you’ve generated a bunch of segments for a stream and … Continue reading
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(FFmpeg) How to Splice a Video into Segments?
Splicing a video (or dividing a video into multiple segments) is a common way to break large files into smaller parts. This is commonly found in streaming but can also be used to break up a video into smaller clips. … Continue reading
Posted in Uncategorized, Programming, Tutorial
Tagged FFmpeg
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(FFmpeg) How to Trim ‘x’ Seconds From the Start and End of a Video?
The last two questions covered trimming the start of a video and trimming the end of a video, but what does the command look like combined? In this example, the input file is 5 minutes long with the requirement of … Continue reading
Posted in Programming, Tutorial
Tagged FFmpeg
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(FFmpeg) How to Trim ‘x’ Seconds From the End of a Video?
Trimming a couple of seconds, minutes or hours off the end of a video is easy but again requires a different understanding of time in FFmpeg. Trimming from the end of an MP4 uses the argument -t or duration with … Continue reading
(FFmpeg) How to Trim ‘x’ Seconds From the Start of a Video?
Trimming a few seconds, minutes or hours from a video is simple but requires an understanding of the seeking and duration options. In this example, the input file is 5 minutes long with a 15 second introduction that needs to … Continue reading
(FFmpeg) How to Compress MP4 and Reduce File Size?
Although not a conversion to another format, compression is one of the most asked questions about MP4 files with FFmpeg. People are constantly looking for ways to reduce file size while keeping quality generally the same. This is easily done … Continue reading
Posted in Programming, Tutorial
Tagged FFmpeg
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(FFmpeg) How to Convert MP4 to GIF?
In the previous video format conversions the formats supported audio without any additional encoding. A Graphic Interchange Format or GIF is a bitmap image format without an audio component. GIFs have been around since the late 80s and are still … Continue reading
(FFmpeg) How to Convert WebM to MP4?
As an open source alternative to HTML5 video (the successor of FLV), WebM is another multimedia container format that is currently being maintained by Google. WebM files are native to android devices but not iOS (or Safari), thus converting to … Continue reading
(FFmpeg) How to Convert FLV to MP4?
FLV or Flash Video is a multimedia container format maintained by Adobe Systems. It was once the staple of how most media was delivered on the internet in the early 2000s. Although replaced in the modern streaming world, FLV files … Continue reading
(FFmpeg) How to Convert AVI to MP4?
The AVI format is a multimedia container format developed and maintained by Microsoft. AVI has support for multiple video codecs including MPEG-4. This makes the conversion to MP4 simple: If the input.avi codec is not MPEG-4, setting the libx264 codec … Continue reading