PHP Classes

File: FFmpegMovie.php

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  Classes of Vladimir Gorej  >  FFmpeg PHP  >  FFmpegMovie.php  
File: FFmpegMovie.php
Role: Class source
Content type: text/plain
Description: FFmpegMovie represents a movie file
Class: FFmpeg PHP
Manipulate video files using the ffmpeg program
Author: By
Last change: Fixed docstring for @trhow directive.
This is a much faster way to grab frames from a video. Seeking aftering the -i flag causes the video to load all frames right up to $frameTime. In a large movie file this is extremely slow. Instead, you can seek quickly before the input file is loaded with -i, but this isn't quite as accurate as having the -ss after the -i. But, there's a fast & accurate way to seek ahead, which is to quick-seek to a point close to $frameTime, and then accurately seek from there to $frameTime using a second -ss option. See for a thorough explanation. This makes grabbing frames more than a minute or two into a large movie 100x (or more) faster as it gets progressively slower the further into the video the frame is with -i before -ss.
Issue #12; Fixed: Unable to find a suitable output format for 'file'
Date: 3 years ago
Size: 21,864 bytes

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