[FFmpeg-user] Reduce mux overhead of HLS stream creation

Moritz Barsnick barsnick at gmx.net
Mon Feb 16 09:46:31 CET 2015


On Mon, Feb 16, 2015 at 04:38:47 +0000, Wesley Wen wrote:
> I'm using FFmpeg to create HLS stream, but noticed significant TS muxing
> overhead (especially for low bitrate condition). I used Elecard Stream
> Analyzer to look at the stream and came up some questions.

[...]

> ffmpeg -loglevel fatal -y -i audio_p0.mp4 -i video_p0.mp4 -dn -sn -threads
> 0 -map 0:0 -map 1:0 -f ssegment -segment_time 5.005 -segment_list p0.m3u8
> -segment_list_entry_prefix p0/ -segment_format mpegts -c:v copy -c:a copy
> -vbsf h264_mp4toannexb -flags -global_header p0/%d.ts

You should always also show us the complete, uncut console output from
your command.

For one, we might identify that your problem has been fixed already.
Here's a (fixed) ticket concerning a similar matter:

https://trac.ffmpeg.org/ticket/2857

Moritz


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