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31 mar 2014 · I was wondering if anyone had any advice for encoding a user uploaded .wav file to a .mp3 extension. I would like to build a PHP solution if possible. Can I call the command line LAME encoder via PHP once a file has been uploaded? Is there a better option? Thanks!
This PHP class takes a YouTube URL (or YouTube Video-ID) and downloads the video to your computer. Optionally, you can convert any YouTube video to an MP3 Audio file (requires ffmpeg to be installed!).
Converting a video file to an MP3 audio file in PHP involves extracting the audio stream from the video and encoding it into the MP3 format. Here's an in-depth explanation with code examples and outputs:
The most popular command-line executable for this is ffmpeg. Here is a tutorial on how to strip audio/video streams from it: ffmpeg audio/video manipulation. From that tutorial - looks pretty straightforward: ffmpeg -i mandelbrot.flv -vn -acodec copy mandelbrot.mp3.
This class can be used the convert audio files in many formats to MP3 or WAV format streams. It uses external programs to read audio files in many formats and output audio streams in the MP3 or WAV formats. The converted streams can be saved to other files or served as the current script output.
• Outputs converted files to MP3 audio format • Displays download AND conversion progress via corresponding progress bars • Leverages the power of FFmpeg to create crisp, clean, quality conversions of video files
With Shotstack and PHP, you can create a simple web application to upload an MP4 video file and convert it into an MP3 file programmatically. This tutorial will teach you how to do this, providing a great starting point for creating your own media app.
