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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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ffmpeg taking too much time to compress videos in a nest Js project

I am trying to read a video as a stream from firebase and compress it using ffmpeg an it is too much time for the job to complete such that my call breaks before its done and I am getting socket hangup error. I have tried to increase the timeout of…
Sheeraz
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FFMPEG or GStreamer - HLS to UDP

I can't manage to input HLS and output UDP on these two softwares correctly. I'm trying to understand how to use these two softwares. I got better results using FFMPEG but somehow, I didn't manage adding a hls playlist that started with "https". It…
Alex Romero
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How to transcode audio stream once but use in two outputs with also video streams transcoded separately?

I wish to optimize the process of video transcoding. Exactly I need to get two different video resolutions with the same audio stream options, but now I transcode audio stream twice (as I think ffmpeg works). Source video has such audio…
youni
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Is there a way to specify the decoder in ffprobe

I am using ffprobe to extract information from a video file using following command on AWS VT1 that has hardware accelerated decoders available ffprobe -of json -show_streams -show_frames -show_format -i video.mp4 The above command still performs…
Mustafa
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Strange problem with reencoding AUDIO with FFMPEG from UDP Multicast MPEG TS stream

I want to re-encode the audio streams from mp2 to aac from one udp multicast MPEG TS Stream top another. I have an udp multicast mpeg ts streram with 1 video, 3 audio, and 1 subtitles streams inside. I want to change the protocol of the audio…
Ivan Totev
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Why do videos turn gray after transcoding?

I have used the AWS service MediaConvert to convert videos into another format before, and sometimes the first half-minute of the video will be just grey, but it will get better as the video goes on. A example frame provided below. If the object in…
CJ Lin
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ffmpeg process has GPU usage limit

i'm using ffmpeg and an NVIDIA for my video transcode process. so i have one problem. look at below image : one process just use 263MiB of my second GPU. not completly use that !! that is not good. i think there should be a way to remove this…
R.A.M
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What units for the progress to use for a transcoding converter using ffmpeg - % etc.?

I'm gonna make a converter to h.265 with ffmpeg, based on documentation: http://www.ffmpeg.org/doxygen/trunk/transcoding_8c-example.html I want to add info about the progress, but I have no idea what number I can use to show that, for example in…
BloodyFerret
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FFmpeg transcoding mpeg2 to H264 and compare frames

I have the following mpeg2 source file: Stream #0:0[0x900]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, top first), 720x576 [SAR 16:15 DAR 4:3], 4540 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc And transcoding it to H264 with the…
Ivan Kolesnikov
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Rip and transcode using avconv

I converted a video tape to DVD with an old converter, then copied the DVD to my linux mint system to get a directory: $ /bin/ls -s 12 VIDEO_TS.BUP 12 VIDEO_TS.IFO 56 VIDEO_TS.VOB 76 VTS_01_0.BUP 76 VTS_01_0.IFO 1048548…
Sullivan
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where I can get video encoding cookbook/ PDF/ tutorial

I need some reference (cookbook, PDF, tutorial or anything) for all about transcoding video things. it will pleasure if anyone here can help me. Thanks
Khalid
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Is there an affordable alternative to AWS elastic transcoder?

I am working on a project that would require the use of video / media transcoding , however I am on a budget and AWS transcoder seems a bit expensive for me at the moment, so I would like to know if there's a more affordable alternative to AWS…
Stan.E
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