Questions tagged [transcoding]

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

372 questions
1
vote
0 answers

Is Amazon Elastic Transcoder returning misspelled job statuses?

I'm working on a video conversion feature that uses Amazon Elastic Transcoder to convert uploaded videos to a more suitable format. The problem is that when I send a request to check the status of a transcoding job, the response does not match the…
user1091949
  • 1,933
  • 4
  • 21
  • 27
1
vote
1 answer

using node-fluent-ffmpeg to transcode with ffmpeg on windows not working

I'm trying to use the module node-fluent-ffmpeg (https://github.com/schaermu/node-fluent-ffmpeg) to transcode and stream a videofile. Since I'm on a Windows machine, I first downloaded FFMpeg from the official site…
jansmolders86
  • 5,449
  • 8
  • 37
  • 51
1
vote
1 answer

using libvlc_video_set_format_callbacks to transcode videos frame by frame

I am trying to write a small program in C++ that transcodes a video frame by frame, and I am using the functions libvlc_video_set_callbacks and libvlc_video_set_format_callbacks to achieve this. The first function works fine, but I am not sure how…
user2273364
  • 65
  • 1
  • 7
1
vote
4 answers

AWS SDK in Perl

Whether it is possible to create AWS SDK in Perl?. I need to use AWS transcoder service from my perl script. But I wonder AWS SDK is not available for Perl(http://aws.amazon.com/code). Or do they have any other method to use PHP SDK in a Perl…
1
vote
1 answer

ffmpeg: simple RTMP streaming

I am trying to launch up a rtmp transcoder server using ffmpeg; that receives udp MPEG-TS streams as input, transcodes it; and generates an rtmp output to a URL, that can be accessed by users to receive and play the rtmp stream. All these are…
sajad
  • 2,094
  • 11
  • 32
  • 52
1
vote
1 answer

Video stream played too fast if HTTP Live Stream starts at the beginning

Bit of an odd problem this, I'm building a server that Transcodes video and streams it to the WiiU. The WiiU seems to have quite good support of HTTP Live Streams, but I'm running into a problem where the video stream will play about x3 faster than…
1
vote
0 answers

how to make use of elst atom in mp4 ?

When I am converting an mp4 to flv how to account for the time offsets in the elst list? What are the scenarios in which an elst atom would be inserted in an mp4 file?
Swaroop
  • 91
  • 4
1
vote
2 answers

x264 with multiple passes specify location of temporary file?

So, my situation is like this. I have three x264 commands with 3 passes I want to run in parallel: x264 -p 1 ... x264 -p 1 ... x264 -p 1 ... Then I want to run the second pass in parallel: x264 -p 2 ... x264 -p 2 ... x264 -p 2 ... And the third…
Richard Knop
  • 81,041
  • 149
  • 392
  • 552
1
vote
2 answers

MIME type for transcoded stream

I wish to determine the MIME type of the contents of a pipe. The pipe is outputting a transcoded video stream, so there is no corresponding file extension. Can I determine the MIME type in these circumstances using say ffprobe -i pipe:0 or some…
Matt Joiner
  • 112,946
  • 110
  • 377
  • 526
1
vote
0 answers

How to play different video files as one file?

I want to concatenate different video files (playlist) as one file, so user can play them as if they were one movie, I read about pre-buffering, but I didn't find a clear way to do so, also is it possible to just play a certain portion of a file…
Amr Faisal
  • 2,004
  • 6
  • 27
  • 36
0
votes
2 answers

How do I prevent Quality loss in the beginning of a video?

My company transcodes videos sent in by users (recorder by our own screenrecording software) I use FFMpeg to do the work using this command: /ffmpeg/ffmpeg -i in.mov -vcodec libx264 -fpre /ffmpeg/ffpresets/libx264-slower.ffpreset -y out.flv The…
Artog
  • 1,132
  • 1
  • 13
  • 25
0
votes
2 answers

Fail to set profile to high when using ffmpeg with libx264

Here is my command: ffmpeg -i input.avi -vcodec libx264 -vpre fast -vpre high -acodec copy output.avi The output: Input #0, avi, from 'short.avi': Metadata: encoder : Lavf53.3.0 Duration: 00:00:25.04, start: 0.000000, bitrate: 12705…
user1258095
  • 1
  • 1
  • 1
0
votes
1 answer

How to embed RTSP video feed on website?

I'm creating website which needs video stream from surveillance camera implemented. Camera is GeoVision GV-FD120D 1.3Mpix LowLux IR 2.7-9mm and it is linked to server which I have full access to (I dont have direct access to camera) I was playing…
Krabats
  • 325
  • 4
  • 12
0
votes
1 answer

GStreamer pipeline generated by Flumotion stalls

The following gstreamer pipeline was generated by Flumotion while transcoding a file but it stalls I am not sure entirely why as I only started developing gstreamer application recently. I am guessing that it is because of lack of memory. The file…
osiloke
  • 23
  • 1
  • 6
0
votes
1 answer

Serverside Video-Processing or Cloud?

I'm currently working on a solution to online process uploaded video data. There will be diffeent video-formats uploaded to the platform and we need to transcode them into flv & re-render them in a smaller resolution. (^= Compression) My current…
Micronax
  • 660
  • 13
  • 25