Questions tagged [codec]
Codec is an implementation of compression and decompression of digital data streams and signals in different scales. Digital data like audio, video and electronic documents are been compressed and decompressed using codecs.
codec
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How to install a open source driver at Ubuntu? [closed]
I have a drive codec audio that is .c and .h . How i install this at Ubuntu. My version is the 22.04.3 LTS.
Someone know what is the driver for nau8824 codec?
I hope to install this drive at Ubuntu ...
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How can I decode this codec? [duplicate]
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AVPacket->Data is empty "0/0" but has size
I am using libAV* to encode frames(unsigned char*) from my streaming application. I encoded my initialized frames but when I tried to get the avpacket. it returns an avpacket with a size but without ...
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How do I Access Both Eye Images from LAV Video Decoder for 3D Blu-ray in C#?
I want to decode a 3D Blu-ray and handle the left and right eye images in my C# application. I have constructed a filter using DirectShowLib with a SampleGrabber to display and inspect the raw RGB32 ...
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How is choice index encode in UPER when an extension is present
If I have the ASN.1 schema as shown below (I have truncated it to remove useless data) and I want to encode dm200 following the uPER rules, then I get the following encoding.
{
"messageData&...
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CUVID Video Codec SDK RTP packets decoding
I'm decoding each RTP packet to see if it contains IDR NALU and when it does I pass NALUs (PPS, SPS, I-frame in the case) to decoding pipeline where I run NVIDIA Video Codec SDK
RTSP stream is h264, ...
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ffmpeg: PNGs to mp4 video is strange scaled quicktime
I am trying to create a video from multiple PNG files.
The files contain an animation of a line.
However, the output MP4 video looks really strange, as if the content is stretched or scaled.
Below, ...
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Technical description of AVIF
I'm looking for a technical description of AVIF, in order to understand how it works. Something similar to ITU T.81 from 1993 which describes clearly how JPEG works.
I'm aware of the description of ...
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Store two channels AMR voice call in C++
I have some IP/RTP/IuUP packets of a voice call from A to B and I want to create one AMR file including A and B voice packets together (merge them such as A1,A2,B1,A3,A4,B2,B3,B4,B5,B6,A5,... and not ...
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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 ...
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is there a way to find the bitrate of the video and audio in youtube stats for nerds?
i know how to read the codecs as opus and mp4a (aac) and vp9 and other stuff like that but I don't know how to find the bitrate for the video and the audio.
I saw the numbers beside the codec things ...
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Convert AMRWB IO Raw speech data to wav file
I am trying to convert AMRWB IO raw data to wav file.
The format for the raw data is
Packet length followed by speech data.
THe raw file is given to the EVS Codec (Floating Point) 3GPP TS26.443 ...
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Exoplayer does not play h264 mpeg-4 avc (part 10) codec in Android
try {
BandwidthMeter bandwidthMeter = new DefaultBandwidthMeter();
TrackSelector trackSelector = new DefaultTrackSelector(new AdaptiveTrackSelection.Factory(bandwidthMeter));
...
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SpringFramework Upgrade is causing MongoDB driver to throw CodecConfigurationException
I'm currently in the process of upgrading several libraries in my project:
org.mongodb:mongodb-driver-legacy:4.6.1 to 4.8.2
org.mongodb:mongodb-driver-sync:4.6.1 to 4.8.2
org.mongodb:mongodb-driver-...
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Python error: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xdb in position 0: unexpected end of data
I am trying to append a column of a csv file in a jsonl file using python. I tried fol code:-
import csv
import json
def csv_column_to_jsonl(csv_file, column_index, jsonl_file):
with open(...
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