Questions tagged [transcoding]

Transcoding is the direct digital-to-digital data conversion of one encoding to another (video and audio format)

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VBA : transcode the special characters

Do you know please the VBA function to transcode the special characters like this data into "DÉLÉGATION" ?
VBA_Anne_Marie
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How to add quality in FFmpeg video transcoding?

I don't have much knowledge of FFmpeg. I have googled and made the following code for creating two quality hls transcoding for the video files. It is working fine. I want to create 4 types of video quality. 720,480,320,240. final arguments = '-y -i…
Soham Pandya
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Missing file Properties of mp4 after conversion via libvlc in WPF

after some troubleshooting I finally got a working piece of C#-Code to transcode a media file to a mp4 file with vlclib. using (var shellFile = ShellObject.FromParsingName(files[4])) { //Set target framerate …
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Multiple commands using forfiles?

I am trying to automate converting some old wav files to MP3 to free up storage using LAME encoder. Unfortunately, I am not having much sucess. I am using the following command: forfiles /p "c:\wavfiles" /s /m *.wav /c "cmd /c c:\lame\lame.exe -q5…
Louis M
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Implementation of transcoding using only bitwise operators

I have function to transcode input hexadecimal number. For example I have initial format of number like this And function transcodes it to this format: I will return result from function as a string using hex built-in function. I tried something…
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ffmpeg transcoding to flv low bitrate

Trying to combine an audio and picture to mp4 I can hit my target bitrate: ffmpeg -y \ -loop 1 -r 4 -i ./image.jpg \ -stream_loop -1 -i ./audio.mp3 \ -vcodec libx264 -pix_fmt yuv420p \ -filter:v "crop=2560:1440:0:0" \ -video_size 2560x1440 \ -b:v…
ohroblot
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Transcode video stored online, live, in chunks

I have a video stored on the cloud, I'm using this Flask route to download chunks of the video at a time and return it to the user as a stream: @app.route("/api/v1/download") def downloadAPI(): def download_file(streamable): with…
eliasbenb
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PHP + FFMPEG + S3. Transcode video directly between S3 buckets

I have: S3 INPUT bucket S3 OUTPUT bucket PHP ffmpeg Is it possible to read file directly from INPUT bucket → Transcode to another format → Save into OUTPUT bucket. Please let me know manuals, libraries, frameworks, any stuff that helps to…
rzlvmp
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Stream mpd file video in angular 9

I have given video tag to play the video. Below code is working properly.For Sample code:
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Replacing pixels and saving RTSP streams as files without transcoding

Essentially, the issue is this; I have 8 security cameras all streaming via RTSP with very high unmodifiable resolutions (specifically, 2560x1440). I want to place a small tag in the corner of the each video stream to display a string of characters…
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ffmpeg distributed transcoding

I have a 100GB 1080p video file which I want to transcode to 720 h264. Since transcoding is computationally expensive, i wanted to transcode smaller portions of video & stitch it back together. Can we use ffmpeg seek to transcode 10seconds of video…
Kalava
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How to decide to which resolutions and bitrate a video should be transcoded?

I'm trying to build a VOD service and not able to find a way to decide to which resolutions and bitrate a video should be transcoded after uploading. Like what if someone upload a shoot on a mobile phone. I'm using AWS mediaconvert for transcoding.
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Live video transcoding in JavaScript and DASH

I would like to know if there is a library or code sample that allows MPEG DASH playback in javascript and at the same time transcoding of MP4 video segments. Or if it is possible to perform MP4 video transcoding using JavaScript ideally without API…
ipegasus
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Some video and audio properties missing while recording with getUserMedia()

I am using the below code to record a video through web cam and I need to transcribe this and take the audio from that video and find some keyword match percent. The video is recording and sending to server, displaying properly also. But there are…
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How to do on the fly transcoding for webapp?

I have a library of videos (in .avi format). I'd like to make a webapp where I could watch these videos youtube-style, but without having to have all of them converted to flv format all the time -- so, basically, I want use the app to choose one to…
Nimrodel
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