Questions tagged [mpeg-dash]

For questions about the MPEG-DASH standard for adaptive streaming over HTTP. For the applications dashboard in Unix operating systems use [tag:dash]. For the dash command-line shell use [tag:dash-shell].

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41 views

What is the difference between .m4s and .ts media files?

From my understanding they can both contain media segments and are meant to be reconstructed at the client but what is the difference between the two? Edit: This is in the context of HLS
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31 views

Watching MPEG-DASH streams with VLC

I'm able to watch HLS streams on VLC by pulling the m3u8 from the network tab on firefox off a webpage but MPEG-DASH I can't get .mpd files to work. Is there some type of encryption or DRM involved? ...
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160 views

ffmpeg returns errors and missed packets and cause a 7/8 seconds delay

I am using the following command to convert a RTSP stream to a dash one to play in a browser using dashjs player: /usr/bin/ffmpeg -nostdin -i rtsp://admin:Password@172.25.1.47:554/h264/ch1/main/...
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56 views

How to add a fallback adaptation set to mpeg-dash manifest using ffmpeg and dash.js?

I have previously successfully made mpeg-dash manifests using the following ffmpeg command: ffmpeg -i input.webm -c:v copy -c:a copy -f dash -seg_duration 15 manifest.mpd Where input.webm is a VP9 ...
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280 views

Understanding DASH and mpd files – where is a list of m4s files?

I am using website https://bitmovin.com/demos/drm to test and learn. The site requests 11331.mpd file and gets back information about 5 different resolution video streams and 1 audio. All with the ...
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20 views

FFMPEG - MXF to DASH FrameRate

I'm converting a MXF file to DASH using FFMPEG, but having a hard time maintaing the frame rate, if you can see from the below input file has a frame rate of 25, but the mpd file has a frame rate of ...
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295 views

Can ffmpeg support creating DASH “availabilityStartTime” with milliseconds?

I'm currently trying to use FFMpeg to capture my webcam , output it to dash and stream it live. I noticed that the "availabilityStartTime" parameter created in the MPD file is without the milliseconds ...
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641 views

Generate mpeg-dash segments and mpd file using transport stream buffer

I am receiving mpeg-2 transport stream on a buffer and i need to serve the content using HTTP to a web view. I'm planning to implement it using the mpeg-dash specification and a simple HTTP server. ...
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1answer
23k views

What is the format of the mpeg-dash (.m4s generally) segment?

I'm new to the multimedia programming, I'm trying to produce live mpeg-dash content from a transport stream buffer by parsing the packets individually. I want to create .m4s segments but i'm confused ...
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310 views

FFMPEG 4 Transcoding MKV to MP4 Has Weird Issue With DASHJS

I'm not entirely sure I know what the issue is or where to begin troubleshooting. On my CentOS 7 box I have 4.0.1-static https://johnvansickle.com/ffmpeg/ installed and I'm trying to transcode MKV ...
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2k views

Convert m3u8 (HLS) to mpd (MPEG-DASH)

I have Live stream of HLS and I want to convert it to MPEG-DASH. What is the best practice? The stream is already h264 aac therefore I understand I do not need to reencode and I just need to ...
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480 views

MPEG-DASH stream never choosing representation with lowest bandwidth

I've converted an mp4 file into four mp4s using ffmpeg: three video-only files of low, medium and high quality, and one with only audio. I then converted these into an MPEG-DASH using MP4Box and ...
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1answer
2k views

Convert text-based subtitles to individual bitmaps with ffmpeg

We have a text-based subtitle stream, and we need to convert each distinct subtitle in that subtitle stream to an individual .bmp file, with 24 Bits per pixel. How can we do that with ffmpeg?
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81k views

Download all .m4s files of a mpeg dash stream

When I open this page I can see in Firefox Web Developer Tools / "Network" tab that the page loads files with .mpd extension. And then every few seconds it loads a file/stream with .m4s extension ...