Questions tagged [video-encoding]
This tag should be used for questions related with programmatically handling of video encoding in any format. For questions related to trimming and modifying videos use [video-editing], and [video-processing] for questions related to processing videos with filtering video frames.
video-encoding
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Discrepancy in Video Quality with FFmpeg Encoding on Different Laptops
I’m experiencing an issue where encoding the same video with identical FFmpeg commands on two different laptops results in different output quality. Here’s the command I’m using:
ffmpeg -hwaccel none -...
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Encoding rawframes to raw h264 live [closed]
I'm trying to make an application that generates an mp4 stream live in node.js.
So far I've successfully got the stream part working with static pre-encoded raw h264 files, then passing them trough ...
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How to create a Y4M file that generates an all-zero payload RTP traffic?
I am currently trying to run some experiments to test a C++ WebRTC application. This app uses the Y4mFileGenerator class to sample frames from a given y4m video file. For the sake of comparing its ...
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45
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While using skvideo.io.FFmpegReader and skvideo.io.FFmpegWriter for video throughput the input video and output video length differ
I have an h264 encoded mp4 video of about 27.5 minutes length and I am trying to create a copy of the video which excludes the first 5 frames. I am using scikit-video and ffmpeg in python for this ...
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Transparency Issue with WebM Videos on Android Chrome Browser
The transparent WebM video, which appeared crisp on the Chrome browser on PC, shows jagged edges on the Android Chrome browser. Specifically, the edges of fine details like animal fur appear darker, ...
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1
answer
27
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Dynamic Cropping of Video Files in React Native with IMG.LY's VideoEditor SDK
I'm working on a React Native camera app within the Expo Framework (managed workflow) and need some assistance with functionalities and capabilities of the VideoEditor SDK by IMG.LY.
Expectations:
...
- 21
2
votes
2
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251
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How come muxing to an mp4 file skips one of the frames I provide to it?
Background
In the past, I've created and even shared an example of how to create MP4 file from a series of Bitmaps, here, based on here, and I've also published the code on Github, here.
It seems to ...
- 116k
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Finding Resolution/Frame Rate/Bitrate limitation for codecs that does not have profile/level concept(ex: VP8)
As per the documentation of VP9 Codec in Wikipedia VP9 has the concept of Profile and Level. Based on these profiles and levels it also has some limitations on Resolution/Frame Rate/ Bitrate as ...
- 153
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232
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FFmpeg Streaming Video SpringBoot endpoint not show video duration in video players
it turns out that I've been working on a personal project just out of curiosity.
the main function is to stream video by first encoding it through ffmpeg
then playback said video from any other device
...
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29
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How to convert image::RgbImage into rav1e::Frame
The image crate
The rav1e crate
Using the image crate between use points, I don't understand how I'm supposed to write the image data into the encoder. I've seen the planes member of Frame which is ...
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Can't convert video with cuda after updating ffmpeg
i've used this command sometimes to convert 4k video into 1080p without problem with tool "ffmpeg batch" and ffmpeg 5.1? "2022-08-10-git-8fc7f0fdec-full_build-www.gyan.dev Copyright (c) ...
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1
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142
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Client side H.264 (MP4) video compression/encoding
I'm currently developing an app with a wide range of features, with one of the key features being customer video recording. Up until now, we haven't implemented any compression technique for the ...
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67
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How to retrieve, process and display frames from a capture device with minimal latency
I'm currently working on a project where I need to retrieve frames from a capture device, process them, and display them with minimal latency and compression. Initially, my goal is to maintain the ...
- 21
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60
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Overlay a video with rounded corners - FFMPEG React Native (Like Facetime or other Video Chats)
I'm trying to overlay one video on top of another using FFMPEG, in the exact same format as FaceTime, but the video would have rounded corners. I've tried the commands on other posts but they all ...
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Can Video Files Be Stored in MCAP Format?
Hello Stack Overflow Community,
I am currently exploring MCAP files for a project and am exploring the capabilities of this format. I'm particularly interested in understanding whether it's possible ...
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