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Questions tagged [video-codecs]

Questions related to video compression and decompression methods. This includes popular video codec standards like H.264, MPEG4.

A video codec is a device or software that enables video compression or decompression for digital video. The compression usually employs lossy data compression.

More details at http://en.wikipedia.org/wiki/Video_codec

171 questions
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Is there a way to keep the alpha channel when compiling bmp's to a video file in c#?

I'm trying to record an animation while keeping the transparent background. I have some animation running in a picturebox with transparent background using windows forms. I convert every frame to a bmp with an alpha channel and then try to stitch…
Atisha Ribeiro
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Fixing a corrupted .MP4 file. which might be a 3gp file

I have a file called input.MP4 and it is corrupted. It's from a CCTV camera. I tried everything, ffmpeg, VLC convert, no luck. However, I used mediainfo and exiftool and extracted the following info. I am wondering if someone can figure out if I…
Tendekai Muchenje
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FFMPEG configuration for home video

I have a lot home video from my smartphone and from camera. But they take up much space. I want to compress/convert these in x264 files by ffmpeg. I find following config: ffmpeg -y -i input.mov -c:v libx264 -preset medium -b:v 4500k -pix_fmt…
Andrey Soika
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How to begin with HM for HEVC further?

I am new to HEVC.I am doing research on HEVC in HM software. i have successfully run a demo seeing Vcodex.com using ./TAppEncoder -c encoder_randomaccess.cfg -c xxxx.cfg. I understand .cfg is the configuration file which contains all the detailed…
Jeffin Ninu
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How to create a direct show filter for vp9 video deocder

I am new to Direct show. I have an C solution of vp9 decoder and want to create an direct show filter which can decode and play my compressed file. Can some body please help me on how to add these filters to the Direct show which allows me to decode…
siddharth Sinha
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WebRTC remote stream size too big

I'm trying to record the remote video stream in a WebRTC call. I think the main problem is that I can't use codecs to compress the recorded video. I've tried this code let options = {mimeType: 'video/mp4;codecs=vp9'}; if…
Lauren
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