No-Reference-Image-Quality-Assessment-using-BRISQUE-Model
FFmpeg
No-Reference-Image-Quality-Assessment-using-BRISQUE-Model | FFmpeg | |
---|---|---|
1 | 486 | |
5 | 42,517 | |
- | 1.8% | |
10.0 | 10.0 | |
about 5 years ago | 3 days ago | |
C++ | C | |
MIT License | GNU General Public License v3.0 or later |
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No-Reference-Image-Quality-Assessment-using-BRISQUE-Model
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In praise of ffmpeg
They originally wanted the system mainly for video quality assessment, but were far more interested in it for several other things once we started showing it off. I did have some success modifying Krshrimali's Brisque image quality assessment code into a library with an API which I could process individual video frames with, but this turned out to be very slow without GPU acceleration (Neighborhood of 2 seconds per frame IIRC for 1080, IIRC,) and didn't put a lot more experimentation into it. I think even with GPU acceleration it'd be hard to get that down to real-time. Might be OK for short clips, though.
FFmpeg
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Creando Subtítulos Automáticos para Vídeos con Python, Faster-Whisper, FFmpeg, Streamlit, Pillow
FFmpeg (https://ffmpeg.org/)
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Show HN: CompressX, my FFmpeg wrapper for macOS, made $9k in the last 4 months
GPL2
Since FFmpeg is GPL2, doesn’t that require CompressX to disclose its source code?
IANAL, apologies if I miss understand license requirements.
https://github.com/FFmpeg/FFmpeg?tab=License-1-ov-file
- Microsoft offered FFmpeg one-time payment instead of support contract
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Writing x86 SIMD using x86inc.asm (2017)
This turns out to be a lot of assembly macros to help write one x86 assembly. https://github.com/FFmpeg/FFmpeg/blob/master/libavutil/x86/x...
The sibling comment recommending compiler intrinsics is probably the best way to go for writing SIMD code. A mixture of `` style types and intrinsics to specify instructions is a solid 90% solution compared to assembly.
If you want that last 10%, I think macros are putting the emphasis in the wrong place. They're a somewhat easy way to build up a language abstraction which will work if held carefully, but I'm confident the dev experience using this abstraction when you write invalid code will be deeply confusing.
I would suggest to write a parser instead of the macros. That'll tell you clearly when the syntax is invalid (though possibly not with much precision) and it'll give you a place to put semantic analysis for where valid syntax encodes nonsense. Do the equivalent of the macro expansions on the parsed tree instead of on the text. Emit asm as the "back end".
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Video Generation with Python
You might have heard of FFMPEG or ImageMagick for image and video edition in a programmatic way. MoviePy is a Python module for video editing (Python wrapper for FFMPEG and ImageMagick). It provides functions for cutting, concatenations, title insertions, video compositing, video processing, and the creation of custom effects. It can read and write common video and audio formats and be run on any platform with Python 2.7 or 3+.
- I want some logically difficult c programs
- Looking for a good file converter for upload testing
- Best Way to Rip Rare DVDs?
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11 Ways to Optimize Your Website
There are many cloud-based tools and websites that can convert your images, but the problem with these tools is that you usually have to upload the files for them to be processed, and some of their services are not free. In this article, I'd like to introduce a piece of software called FFmpeg, which allows you convert the images locally with one simple command.
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AI-assisted removal of filler words from video recordings
To run the demo locally, be sure to have Python 3.11 and FFmpeg installed.
What are some alternatives?
restream_rtmp - h264 web streaming with ffmpeg and nginx
mpv - 🎥 Command line video player
gst-meet - Connect GStreamer pipelines to Jitsi Meet conferences
ffmpeg-python - Python bindings for FFmpeg - with complex filtering support
webm_streaming - HTML5 webm streaming and interaction with Javascript tutorial
OpenH264 - Open Source H.264 Codec
editly - Slick, declarative command line video editing & API
Exoplayer - An extensible media player for Android
mm_tool - Quick curation of your movie files.
hlsdl - C program to download VoD HLS (.m3u8) files
GStreamer - GStreamer open-source multimedia framework
jcodec - JCodec main repo