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Showing posts with the label Ffmpeg

Making A Video With Opencv And Ffmpeg. How To Find The Right Color Format?

I have a webcam video recorder program built with python, opencv and ffmpeg It works ok except that… Read more Making A Video With Opencv And Ffmpeg. How To Find The Right Color Format?

Is It Possible To Have A Progress Bar Without A Loop?

I am using FFmpeg to do some video editing. I would like to have a progress bar but there is not a… Read more Is It Possible To Have A Progress Bar Without A Loop?

Piping To Ffmpeg With Python Subprocess Freezes

With the following code, I am able to pipe frames of a video to FFMPEG using Python, Numpy and the … Read more Piping To Ffmpeg With Python Subprocess Freezes

How Do I Limit Resources For Ffmpeg, Called From A Python-script, Running In A Docker Container?

I deployed a service, that periodically does video encoding on my server; And every time it does, a… Read more How Do I Limit Resources For Ffmpeg, Called From A Python-script, Running In A Docker Container?

How Can I Get Python To Find Ffprobe?

I have ffmpeg and ffprobe installed on my mac (macOS Sierra), and I have added their path to PATH. … Read more How Can I Get Python To Find Ffprobe?

Videocapture Always Returns False In Python Opencv [linux]

Every time that I use VideoCapture trying to access the frames from a video file, the return value … Read more Videocapture Always Returns False In Python Opencv [linux]

How To Extract Audio With Youtube-dl On Windows

I want to extract audio from a video downloaded with youtube-dl on Windows. I got youtube-dl workin… Read more How To Extract Audio With Youtube-dl On Windows

How To Get Equally Spaced Audio Chunks From .wav File Using Ffmpeg?

I have a .wav file which I am trying to slice into chunks of .wav files that are each 5 seconds lon… Read more How To Get Equally Spaced Audio Chunks From .wav File Using Ffmpeg?

How To Use Pyav Or Opencv To Decode A Live Stream Of Raw H.264 Data?

The data was received by socket ,with no more shell , they are pure I P B frames begin with NAL Hea… Read more How To Use Pyav Or Opencv To Decode A Live Stream Of Raw H.264 Data?

Piping To FFMPEG With Python Subprocess Freezes

With the following code, I am able to pipe frames of a video to FFMPEG using Python, Numpy and the … Read more Piping To FFMPEG With Python Subprocess Freezes

Python Ffmpeg Subprocess: Broken Pipe

The following script reads a video with OpenCV, applies a transformation to each frame and attempts… Read more Python Ffmpeg Subprocess: Broken Pipe

How To Write Mp4 Video File With H264 Codec?

On OSX I can record from my webcam and write a video file with the following simple script: import … Read more How To Write Mp4 Video File With H264 Codec?

Python: How To Decode A Mp3 Chunk Into PCM Samples?

I'm trying to catch chunks of an mp3 webstream and decoding them into PCM samples for signal pr… Read more Python: How To Decode A Mp3 Chunk Into PCM Samples?