Implementing Dynamic Watermarks on Images and Videos in Flutter with FFmpeg Kit
Dynamic Watermark GenerationTo ensure the watermark maintains consistent proportions across varying media resolutions, dynamically generate a watermark image using Flutter's canvas rendering engine. This approach combines an icon asset with custom text, converting the result into raw byte data.import 'dart:ui' as ui;
import 'dart:math';
import ...
Posted on Thu, 14 May 2026 03:29:14 +0000 by matthiasone
Converting and Playing AMR Audio Files in Web Browsers with PHP and FFmpeg
Overview
This solutino involves three main components:
Install FFmpeg on the server
Use FFmpeg to convert AMR files to MP3 format (executed via PHP)
Play the MP3 files using HTML5 audio elements in the browser
Server Setup: Installling FFmpeg on CentOS
Prerequisites
Install the required build tools:
yum install -y automake autoconf libtool gc ...
Posted on Wed, 13 May 2026 17:45:12 +0000 by Pha
Video-to-Text Conversion Using FFmpeg and Whisper: A Two-Stage Approach
Introduction
Extracting meaningful textual content from video files has become a critical capability in modern AI applications. This approach leverages FFmpeg for audio extractoin followed by Whisper for speech recognition, creating a robust two-stage pipeline for video understanding.
FFmpeg Overview
FFmpeg is a powerful open-source multimedia ...
Posted on Sun, 10 May 2026 05:25:05 +0000 by enterume
Optimizing FFmpeg Frame Extraction Through Strategic Seek Placement
Extracting individual frames from video files requires precise control over decoder initialization and timestamp seeking. The positioning of the seek flag directly dictates whether the process completes in milliseconds or requires full sequential decoding.
Output format selection impacts both file size and processing overhead. Specifying -c:v m ...
Posted on Sun, 10 May 2026 03:44:14 +0000 by lnenad