<div dir="auto">Depends on encoder settings, rate-control (CBR, VBR, CQP,...) , but also things like key frame interval. <div dir="auto"> <div dir="auto">Is that a Hw (vaapih264enc,...) Or sw (x264) encoder?</div><div dir="auto"> </div><div dir="auto">Also, what is the frame size and fps? </div><div dir="auto"> </div><div dir="auto">Streaminglearningcenter has a lot of good articles for understanding h264 and encoder "tunning". </div><div dir="auto"> </div><div dir="auto"><div dir="auto">I have a h264 stream (from a camera) and that is still 2mbit when there is no movement. Can this be optimized so it has a much lower bit rate when there is no movement, or do I then compromise on quality when there is movement? </div></div></div></div> <div class="gmail_quote"><div dir="ltr" class="gmail_attr">man. 18. okt. 2021 14.00 skrev <<a href="mailto:gstreamer-devel-request@lists.freedesktop.org">gstreamer-devel-request@lists.freedesktop.org</a>>: </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Send gstreamer-devel mailing list submissions to <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank" rel="noreferrer">gstreamer-devel@lists.freedesktop.org</a> To subscribe or unsubscribe via the World Wide Web, visit <a href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> or, via email, send a message with subject or body 'help' to <a href="mailto:gstreamer-devel-request@lists.freedesktop.org" target="_blank" rel="noreferrer">gstreamer-devel-request@lists.freedesktop.org</a> You can reach the person managing the list at <a href="mailto:gstreamer-devel-owner@lists.freedesktop.org" target="_blank" rel="noreferrer">gstreamer-devel-owner@lists.freedesktop.org</a> When replying, please edit your Subject line so it is more specific than "Re: Contents of gstreamer-devel digest..." Today's Topics: 1. syntax (James Linder) 2. RE: syntax (Marc) 3. h264 stream still high bit rate when no movement (Marc) 4. Re: h264 stream still high bit rate when no movement (Jeff Shanab) ---------------------------------------------------------------------- Message: 1 Date: Mon, 18 Oct 2021 18:05:22 +0800 From: James Linder <<a href="mailto:jam@tigger.ws" target="_blank" rel="noreferrer">jam@tigger.ws</a>> To: <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank" rel="noreferrer">gstreamer-devel@lists.freedesktop.org</a> Subject: syntax Message-ID: <<a href="mailto:D4DEDBDA-575F-4732-B23C-2D71FBFA02A4@tigger.ws" target="_blank" rel="noreferrer">D4DEDBDA-575F-4732-B23C-2D71FBFA02A4@tigger.ws</a>> Content-Type: text/plain; charset=utf-8 Help with the syntax please. I?m trying to feed audio to hlssink2 James dvr@dvrTW:~> cat gst.haf #!/bin/bash IP=`hostname -I` gst-launch-1.0 \ hlssink2 playlist-location=/dev/shm/channel1.m3u8 playlist-root=http://$IP \ location=/dev/shm/channel1_%05d.ts max-files=15 target-duration=3 name=hl \ v4l2src device=/dev/video2 ! \ video/x-h264,width=1920,height=1080,framerate=30/1 ! \ h264parse ! \ tee name=t \ t. ! queue ! hl.video \ t. ! queue ! avdec_h264 ! xvimagesink \ t. ! queue ! avdec_h264 ! xvimagesink \ pulsesrc device=0 ! \ queue2 ! audioconvert ! avenc_aac maxrate=800 ! \ tee name=u \ u. ! queue | hl.audio \ t. ! queue max-size-buffers=0 max-size-bytes=0 max-size-time=1000000000 ! \ mux. u. \ mux. mp4muxname = mux ! \ filesink location=try.haf.mp4 dvr@dvrTW:~> dvr@dvrTW:~> dvr@dvrTW:~> dvr@dvrTW:~> dvr@dvrTW:~> dvr@dvrTW:~> dvr@dvrTW:~> dvr@dvrTW:~> ./gst.haf -e -v ./gst.haf: line 19: hl.audio: command not found ------------------------------ Message: 2 Date: Mon, 18 Oct 2021 11:01:39 +0000 From: Marc <<a href="mailto:Marc@f1-outsourcing.eu" target="_blank" rel="noreferrer">Marc@f1-outsourcing.eu</a>> To: Discussion of the development of and with GStreamer <<a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank" rel="noreferrer">gstreamer-devel@lists.freedesktop.org</a>> Cc: James Linder <<a href="mailto:jam@tigger.ws" target="_blank" rel="noreferrer">jam@tigger.ws</a>> Subject: RE: syntax Message-ID: <<a href="mailto:a5d8216a7c274d0a98fa6bfdbc548517@f1-outsourcing.eu" target="_blank" rel="noreferrer">a5d8216a7c274d0a98fa6bfdbc548517@f1-outsourcing.eu</a>> Content-Type: text/plain; charset="utf-8" Does this help ? t. ! queue ! tsdemux name=demux \ demux. ! parsebin ! h264parse ! queue ! hlssink.video \ demux. ! parsebin ! aacparse ! queue ! hlssink.audio \ hlssink2 name=hlssink playlist-location='/mnt/rados/playlist-cam1.m3u8' location='/mnt/rados/seg-cam1-%05d.ts' target-duration=2 max-files=5 > > Help with the syntax please. > I?m trying to feed audio to hlssink2 > > James > > dvr@dvrTW:~> cat gst.haf > #!/bin/bash > > IP=`hostname -I` > > gst-launch-1.0 \ > hlssink2 playlist-location=/dev/shm/channel1.m3u8 playlist- > root=http://$IP \ > location=/dev/shm/channel1_%05d.ts max-files=15 target-duration=3 > name=hl \ > v4l2src device=/dev/video2 ! \ > video/x-h264,width=1920,height=1080,framerate=30/1 ! \ > h264parse ! \ > tee name=t \ > t. ! queue ! hl.video \ > t. ! queue ! avdec_h264 ! xvimagesink \ > t. ! queue ! avdec_h264 ! xvimagesink \ > pulsesrc device=0 ! \ > queue2 ! audioconvert ! avenc_aac maxrate=800 ! \ > tee name=u \ > u. ! queue | hl.audio \ > t. ! queue max-size-buffers=0 max-size-bytes=0 max-size- > time=1000000000 ! \ > mux. u. \ > mux. mp4muxname = mux ! \ > filesink location=try.haf.mp4 > dvr@dvrTW:~> > dvr@dvrTW:~> > > dvr@dvrTW:~> > dvr@dvrTW:~> > dvr@dvrTW:~> > dvr@dvrTW:~> > dvr@dvrTW:~> > dvr@dvrTW:~> ./gst.haf -e -v > ./gst.haf: line 19: hl.audio: command not found ------------------------------ Message: 3 Date: Mon, 18 Oct 2021 11:10:23 +0000 From: Marc <<a href="mailto:Marc@f1-outsourcing.eu" target="_blank" rel="noreferrer">Marc@f1-outsourcing.eu</a>> To: Discussion of the development of and with GStreamer <<a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank" rel="noreferrer">gstreamer-devel@lists.freedesktop.org</a>> Subject: h264 stream still high bit rate when no movement Message-ID: <<a href="mailto:1d6fdd4d1b5d46279623a8953f12a73a@f1-outsourcing.eu" target="_blank" rel="noreferrer">1d6fdd4d1b5d46279623a8953f12a73a@f1-outsourcing.eu</a>> Content-Type: text/plain; charset="utf-8" I have a h264 stream (from a camera) and that is still 2mbit when there is no movement. Can this be optimized so it has a much lower bit rate when there is no movement, or do I then compromise on quality when there is movement? ------------------------------ Message: 4 Date: Mon, 18 Oct 2021 07:35:33 -0400 From: Jeff Shanab <<a href="mailto:jshanab@jfs-tech.com" target="_blank" rel="noreferrer">jshanab@jfs-tech.com</a>> To: Discussion of the development of and with GStreamer <<a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank" rel="noreferrer">gstreamer-devel@lists.freedesktop.org</a>> Subject: Re: h264 stream still high bit rate when no movement Message-ID: <<a href="mailto:CAM09sypuq3OtFF5aNGai%2BK3cYPJZBQac9drhexZyMrmucoQZgw@mail.gmail.com" target="_blank" rel="noreferrer">CAM09sypuq3OtFF5aNGai+K3cYPJZBQac9drhexZyMrmucoQZgw@mail.gmail.com</a>> Content-Type: text/plain; charset="utf-8" Dumb Q. Is it all I frames? P frames are generally 1/10 of I frame when there is no motion and grow when there is more .Iframes are same size motion or not On Mon, Oct 18, 2021, 07:10 Marc via gstreamer-devel < <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank" rel="noreferrer">gstreamer-devel@lists.freedesktop.org</a>> wrote: > > I have a h264 stream (from a camera) and that is still 2mbit when there is > no movement. Can this be optimized so it has a much lower bit rate when > there is no movement, or do I then compromise on quality when there is > movement? > > > > > -------------- next part -------------- An HTML attachment was scrubbed... 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