Questions tagged [decoding]
The decoding tag has no usage guidance.
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VAAPI decoding on UBUNTU does not display video
I am trying to decode and display a video using gstreamer vaapi streamed over ethernet network. I don't have any errors just the video is not displayed.
The pipeline used on sender is:
gst-launch-1.0 ...
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TCP packets with Protobuf messages not dissected
I'm trying to use Wireshark to dissect Protobuf messages sent over TCP using gRPC. When I view the data portion of a messages, I see raw bytes instead of a dissected view.
I've added the path to the ...
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Where does Firefox store push notifications?
I made a NodeJS script a while ago that can read Chromium notifications by reading the LevelDB database where they're stored. I use it to have more granularity when handling notifications, and to sync ...
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Decoding aac to PCM in ffmpeg introduces noise in the raw PCM audio
I have a .mp4 file generated with ffmpeg as follows.
ffmpeg -y -i video_extended.mp4 -itsoffset 00:00:04.00 -i output5-1.wav -map 0:0 -map 1:0 -c:v copy -c:a aac -ac 6 -ar 48000 -b:a 128k -async 1 ...
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How does thetext decoder knows which text encoder is used to encode?
When I create a text file on Windows operating system using Notepad and hit save, I get to choose the text encoding.
Suppose I saved this file using UTF-16 LE encoding and later sent this file to a ...
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Finding the encoding of a text file containing weird characters
I recently received a file, of Turkish origin, where the file has some English words which I can easily read, and some weird characters. I wonder if this file is encoded, encrypted or sth else. I ...
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Reset insyde H20 bios admin password
I have a Lenovo G470, i3 processor(with integrated Intel hd 3000 graphics) with insyde H20 BIOS 40CN33WW (V2.19) (x64) whose bios is locked.
Back story
A year ago I had disabled UEFI boot and booting ...
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Chrome video decoding GPU or CPU
If I watch a video on the internet in the chrome browser, and the video is encoded with H265 or VP9 (or the future AV1), and I have a Nvidia GPU (GTX 1080): Is the video decoding happening on the GPU ...
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My notepad txt file turned into weird characters
Some years ago I wrote some notes in a .txt file (plain text) on Notepad and when I opened it recently it appeared with these weird characters. I don't know at what point it turned out like that, but ...
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Nvidia hardware H.264 decoder (nvdec with Gstreamer) is crashing
I have created an Azure virtual machine Nc6s_v3 which provide Nvidia V100 GPU card. I have set up the drivers following the instructions here https://docs.microsoft.com/en-us/azure/virtual-machines/...
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Reverse engineering unknown hex/binary representation to decimal
I am decoding a device that pumps out location data via network packets.
Lets say we have want to decode altitude. The altitude packet is 4 bytes. So the info in hex is.
0x05 0x79 = 5.945313(meters)
...
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Can I crop an image without fully loading it into memory?
I managed to generate a PNG image with a fractal.
The image is 65,536 pixels high and 65,536 pixels wide. It’s too big to be decoded into memory and displayed. It has probably a lot of unused space ...
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FFmpeg Not Transcoding In Real Time
Been setting up a recording build for a friend to resemble mine, but I can't seem to get things to work in real-time despite sufficient (as far as I can tell) hardware.
System specs: 8600K, GTX ...
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Old GPU (HD 3000) Can't Play 4K Videos
I subscribed to a TV series website and it only provides videos to download in 4k resolution and I have a Core-i7, intel HD 3000, 8 GB RAM laptop. VLC, Quicktime, MPV, WMP all freeze playing 4K. I can ...
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Decoding a uuencoded file
There is a data set freely available here: http://wwwmpa.mpa-garching.mpg.de/hydro/GRAV/GRAV2D/index.html in the last line under the word "here". Unfortunately it is uuencoded, and I am unable to ...