From b8378ff3d434be1a6ec81d2c2a49e3cd5e520165 Mon Sep 17 00:00:00 2001
From: cpu <cpu@virtonline.eu>
Date: Mon, 1 Jan 2024 19:48:33 +0100
Subject: [PATCH] set bitrate

---
 README.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 6bfa113..637f911 100644
--- a/README.md
+++ b/README.md
@@ -112,6 +112,7 @@ Adjust `/dev/video2`, `-video_size 1920x1080 -framerate 60` and stream to peertu
 > `ffmpeg -hide_banner -y -f v4l2 -input_format mjpeg -video_size 1920x1080 -framerate 60 -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format vaapi -i /dev/video2 -vf 'scale_vaapi=format=nv12' -c:v h264_vaapi -b:v 10M -f flv rtmp://peertube.virtonline.eu:1935/live/LIVE-STREAM-KEY`
 
 ### Setup a systemd service for a non-stop streaming
+Adapt 'video_bitrate=3500000' to your Raspberry Pi (Zero W) max upload speed
 ```
 sudo tee /etc/systemd/system/webcam-streamer.service <<EOF
 [Unit]
@@ -127,11 +128,12 @@ Environment="HOME=/root"
 Environment=PEERTUBE_LIVE="rtmp://peertube.virtonline.eu:1935/live/LIVE-STREAM-KEY"
 
 ExecStartPre=-/usr/bin/env sh -c 'killall ffmpeg 2>/dev/null || true'
+ExecStartPre=-/usr/bin/env sh -c 'v4l2-ctl -d /dev/video0 -c video_bitrate=3500000'
 
 ExecStart=/bin/bash -c 'ffmpeg -loglevel error \
 				-f v4l2 -input_format h264 \
 				-video_size 1920x1080 \
-				-framerate 20 \
+				-framerate 30 \
 				-i /dev/video0 \
 				-c copy -f flv \
 				-tune zerolatency \