Questions tagged [hls]

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17 questions with no upvoted or accepted answers
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5k views

moov atom not found

I downloaded this video using youtube-dl's HLS downloader. The video was being HLS streamed using AES-128. Even though I could view it perfectly fine when it was being streamed in the browser, VLC ...
2
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0answers
606 views

Switching between multiple m3u8 playlist

In a live stream setup, I have 2 cameras and each one sends RTMP stream to one different application which is on my Nginx-RTMP server. On the browser I am using Videojs Hls plugin. Now my question ...
1
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1answer
70 views

HLS.js player dropping frames at discontinuities in HLS stream

I have a need to play small pieces (1 or 2 seconds) of video in various orders via HLS. Think a highlights reel from a sporting match. Several HLS players struggle with playing a stream with ...
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0answers
17 views

CODEC and Resolution in Multi-Variant Master playlist

I am recording my content in wowza using cupertino hls (.ts files). I am building a playlist from these chunks at an interval of 30 mins. But while creating master playlist with all the bitrates, i ...
1
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0answers
859 views

FFmpeg to create HLS and replace (stitch) segments

I need to create multiple copies of a source video file stamped with a logo. Also, each copy is overlaid with a unique version number, intermittently appearing throughout the video. Since I’m ...
1
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0answers
520 views

HLS Preset Settings 240p, 360p, 480p, 720p and 1080p

I am trying to transcode mp4 videos into HLS using AWS transcoder. I see that there are only few presets available which are like 1M, 1.5M and the highest 2M. I am unable to get 240, 360 , 480,720p ...
1
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1answer
2k views

HLS to RTP multicast FFmpeg

I want to transmit HLS stream to RTP multicast via FFmpeg and use the following command: ffmpeg -re -i HLSstream -c copy -f rtp_mpegts rtp://ip:port But the output source сrumbles sometimes (I ...
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0answers
17 views

How can I check the Initialization vector (IV) of fmp4 init file

I am trying to debug a DRM problem, I have with one of my HLS streams. I want to extract the IV (initialization vector) value for the segments. Normally if it is used constant_IV the IV the ...
0
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0answers
71 views

Adding separate WebVTT files to FFmpeg HLS muxer

I've been experimenting with adding WebVTT subtitles to an HLS playlist, but I'm starting to ask myself if what I'm trying to do is actually possible. My main file is containing a single video track ...
0
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0answers
99 views

ffmpeg audio ADTS error when m3u8 has id3v2 tag

I'm trying to download a video from a VOD service. But when I access it using ffmpeg and try saving ffmpeg will fail with audio error. If i skip audio I can save the video, no problem. Here is ...
0
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1answer
25 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
38 views

Switch between HLS input streams to output a new HLS stream

I'm trying to generate a HLS stream from an input of N (in this example 2) HLS streams but I cannot figure out the right settings to get the PTS values right. My streams can be represented this way : ...
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0answers
106 views

HLS input with discontinuity results in 'Non-Monotonous DTS' errors

If I use an HLS input (.m3u8) with 'EXT-X-DISCONTINUITY' tags, as soon as it encounters a discontinuity, it spits out a load of 'Non-monotonous DTS in output' errors, and the resulting video freezes ...
0
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0answers
100 views

FFMpeg hangs during HLS download

I'm attempting to download from these three playlists: ffmpeg -headers "referer:play.vidyard.com" -i "https://cdn.vidyard.com/hls-videos/F5XrYRNWc3ZfCQcylJOWUA/stream_1080_master_xaENGxt-...
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0answers
58 views

PTS DTS indicator in PES frame

I'm trying to add timed metadata into TS files and to the best of my knowledge it is only possible if the PES frame has the PTS DTS indicator with the value 2, which means that only PTS is present. ...
0
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1answer
2k views

How to generate decryption key from m3u8 manifest? (OR) How to decrypt an excrypted MP4 using URI and IV?

I am downloading an HLS video which is AES-128 encrypted. The issue is that the downloaded video is also encrypted and hence, not viewable. The website is serving 2 M3U8 manifests: The first ...
-1
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1answer
430 views

Streaming HLS from a video4linux2 virtual video device

I'm trying to accomplish a few things at the same time with the raspberry pi camera; create an HLS live stream take regular interval jpg snapshots and save them to disk irregularly record short ...