Transcoding is the direct digital-to-digital data conversion of one encoding to another (video and audio format)
Questions tagged [transcoding]
372 questions
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MP4 MOOV atom for progressive playing
I'm looking a way to create a MOOV atom that would allow an user to reproduce an MP4 file while it is still transcoding (for example the transcoding of an endless stream like a the one from a security camera)
I think that the only way I could do…
Gerard Garcia
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FFPMEG: stream local video to UDP address, make client aware about video length and current frame time offset (make stream seekable?)
Just started to use FFMPEG. This is a really great library which is capable of video life transcoding and streaming.
I use following commands to transcode and stream local video file to UDP address:
ffmpeg -y -re -i inputvideo.mpeg2 -vsync 1…
klim
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Gstreamer transcode h264 to vp8
I have such gstreamer pipeline:
gst-launch v4l2src always-copy=false chain-ipipe=true \
! video/x-raw-yuv,format='(fourcc)'NV12, width=640, height=480, framerate='(fraction)'15/1 \
! dmaiaccel ! dmaienc_h264 ddrbuf=true encodingpreset=2…
Footniko
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High speed transcoding image data from a gigE camera
I have an 8 mp (3296 x 2472) gigE camera that is capable of running at around 25 fps with 14bit Bayer encoded frames.
I have code (using the vimba api) that can capture frames at full rate and wrote the raw data to disk. However, we also wish to…
mjbeals
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ffmpeg transcode and avfilter error
FFmpeg configure options:
--enable-avfilter \
--enable-nonfree \
--disable-filters \
--enable-filter=movie \
--enable-filter=overlay \
--enable-filter=null \
--enable-filter=anull \
--enable-filter=scale \
--enable-filter=rotate \
and run success…
rosen
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How to do FFMPEG live transcoding to HTML5 video from file(.MP4, .MKV) in PHP?
I'm using windows, tried to follow this tutorial and downloaded the code: blog page is http://sixserv.org/2010/11/30/live-transcoding-for-video-and-audio-streaming/ and the github https://github.com/4poc/php-live-transcode. It doesn't work, I'm…
user3534650
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Transcoding only finishes once client is timed out?
Wowza Streaming Engine 4.0.4 from the AMI available here
Currently, I need to wait for the file to finish transcoding before I can use it again.
I'm looking at the logs and I see this:
INFO session comment 1420436222 client connectionClosed…
user773737
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SWF transcoding, does it exist?
I am looking for some type of SWF transcoder so I can convert SWF files to .avi's. Preferably something that we could hook into our Java architecture.
Any suggestions?
stevebot
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Ignore characters in quotation marks inside a find and replace algorithm
I have been wondering how I can make Python ignore characters inside double quotation marks (") in my find and replace function. My code is:
def findAndReplace(textToSearch, textToReplace,fileToSearch):
oldFileName = 'old-' + fileToSearch
…
bolzano
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Windows (ideally .NET callable) API to join MP4 and/or 3GP files?
I'm working on our back-end encoder service which does an awful lot of video transcoding, and a very small amount of joining of video files.
The transcoding is done using the On2 Flix engine for Windows which works very well, but unfortunately it…
Greg Beech
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Wowza Transcoder Add-on throws ArrayIndexOutOfBoundsException
I'm running Wowza 3.6.2 on Windows 8.1 (64 bit) and have enabled the Transcoder add-on. I'm using the transcoder to take JPEG-snapshots from the live stream. I've built a custom HTTPProvider, similar to what is described here. This works fine and I…
Christofer Eliasson
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Audio Stream Transcoding with Android
Let me first state that I do not know Java. I'm a .NET developer with solid C# skills, but I'm actually attempting to learn Java and the Android SDK at the same time (I know it's probably not ideal, but oh well, I'm adventurous :))
That said, my…
Scott Arrington
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How to transfer wav file from recording server to mp3 transcoding server?
I record some calls on my PBX and save them as .wav files in /tmp/ on the PBX server. I would then like to transcode them to mp3 and email them to various recipients as attachments.
My concern is that transcoding from wav to mp3 can be resource…
springloaded
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Xuggler Transcoder error
I tried to follow the instructions from here: http://www.javacodegeeks.com/2010/05/rtmp-to-rtsp-re-stream-using-wowza-and.html
All worked fine, Xuggler has been installed with no errors, all tests passed but now when I try to start the transcoder I…
Andrei Baidoc
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Get output frame rate from AWS elastic transcoder?
I've tried the get-job method to retrieve information about the frame rate.
But it seems that I can only specify the input frame rate. What I want to do is to set the input frame rate to auto and retrieve the frame rate from the output.
Does anyone…
Carl
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