Questions tagged [mpeg-dash]

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299 views

The ffmpeg webm_dash_manifest demuxer fails with webvtt subtitles

I am trying to create a DASH manifest using ffmpeg and I encounter some difficulties with the subtitles. I get the error [webm_dash_manifest @ 0x55e19db48180] EBML header parsing failed [...
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0answers
288 views

Changing DASH Parameters in FFmpeg on the fly?

I am using FFmpeg to create MPEG dash segments from my camera and playing it using Shaka Player. But I want to change the segment size (For example 2 seconds to 1 second) without creating a new ...
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1answer
886 views

DASH Live vs OnDemand profiles

I've read about dash profiles and from what I understood the difference between live and on-demand profiles are that live furthermore splits each representation into segments (which is critical for ...
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0answers
253 views

Understanding mpeg-dash for VoD

What programs should I use for create MPEG-DASH stream and generate manifest file [may be ffmpeg but I'm not sure that it is enough]? Can I add subtitles file after I create stream? Can I store audio ...
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0answers
542 views

Change resolution according to bandwidth at the start of the video

The use case described here is very much the same as the YouTube's feature where a lower resolution of the video is selected if the user's network speed is low. But, I'd like to do this only at the ...
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0answers
18 views

How can I know if a video file is DASH or HLS?

I'm downloading videos, but some of them are DASH, how can I use ffprobe or ffmpeg to know which are using DASH?
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0answers
25 views

Shorter video when generating mpd from webm with ffmpeg

I'm want to use ffmpeg for a personal project so I'm practicing with some commands. Right now I'm trying to generate a MPD with 720p and 320p versions from a 720p webm video recorded with ...
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0answers
16 views

Stream multiple videos back to back MSE

I want to stream multiple videos back to back seamlessly with MSE. Can i do this with MPEG DASH (i would need to generate the manifest file on the fly through an api, i cant prepare it in advance) or ...
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0answers
94 views

Streaming MP4 files through HTTP without HLS or DASH?

I am building a web application that consists of a web client and a server. The web client needs to play a continuous stream of MP4 files to the user, preferably through a player like video.js. The ...
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230 views

How to download m4s dash videos

I have got a dash link which has multiple Adaptation sets. It is encrypted (DRM) which is fine. I want to download the raw video stream so that I can decrypt using ffmpeg. I have the decryption key. I ...
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1answer
76 views

Serving static video content directly vs. via adaptive streaming protocols (HLS, DASH)

Is there an advantage of serving static video content (not a live stream) via adaptive streaming protocols such as HLS or DASH over serving them directly as files using HTTP server in terms of speed? ...
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0answers
1k views

Constructing playable mp4 video file from MPEG-Dash segments

I am having an unencrypted MPEG-Dash manifest file and I am trying to re-construct from the downloaded segments a playable video file. I have so far tried to concatenate the initialization file to ...
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113 views

FFmpeg: apply audio/video fade-in on the first TS chunk, then "cat" all chunks produces a frame loss

this is my first post (on video.stackexchange.com). I need some explanation regarding to re-encoding a single .ts chunk and then use cat command. I'll explain my scenario. I've a lot of .ts chunks ...
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1answer
830 views

FFmpeg Media Source Extension Examples and Adaptive VOD and Live Streaming

I have a quick questions. Has anybody examples or links for the use of FFmpeg with the Media Source Extension for pure JavaScript adaptive VOD-, or Live-Streaming? I mean really pure not HLS or DASH. ...
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663 views

Transcode FROM MPEG-DASH

I have an input MPEG-DASH stream and I want to transcode it. First of all, need to decode it and then route an output to FFmpeg and encode it, but not have any ideas how to decode MPEG-DASH. Please ...