Create reStream.sh

reStream.sh

@@ -0,0 +1,40 @@
+#!/bin/sh
+set -eo pipefail
+
+ssh_host="mohowzeg.usb"
+landscape=true
+
+bin_head="/opt/bin/head"
+bin_zstd="/opt/bin/zstd"
+bin_ncat="/opt/bin/netcat"
+width=1408
+height=1872
+bytes_per_pixel=2
+
+if ! ssh "$ssh_host" true; then
+    echo "$ssh_host unreachable"
+    exit 1
+fi
+
+for prog in $bin_head $bin_zstd $bin_ncat; do
+    if ! ssh "$ssh_host" "[ -f $prog ]"; then
+        echo "Program $prog is not present on $ssh_host."
+        exit 1
+    fi
+done
+
+
+window_bytes="$(($width*$height*$bytes_per_pixel))"
+landscape_param="$($landscape && echo '-vf transpose=1')"
+read_loop="while $bin_head -c $window_bytes /dev/fb0; do sleep .03; done | $bin_zstd"
+
+ssh  "$ssh_host" "$read_loop" \
+    | zstd -d \
+    | pv - \
+    | ffplay -vcodec rawvideo \
+             -loglevel error \
+             -f rawvideo \
+             -pixel_format gray16le \
+             -video_size "$width,$height" \
+             $landscape_param \
+             -i -