new new new

pi/bin/video-publisher.sh

@@ -0,0 +1,74 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ENV_FILE="${VIDEO_ENV_FILE:-/var/lib/roverd/video.env}"
+
+if [[ ! -f "$ENV_FILE" ]]; then
+	echo "Environment file ${ENV_FILE} missing; cannot publish" >&2
+	exit 1
+fi
+
+# shellcheck disable=SC1090
+source "$ENV_FILE"
+
+: "${PUBLISH_URL:?PUBLISH_URL not set in ${ENV_FILE}}"
+
+VIDEO_WIDTH="${VIDEO_WIDTH:-1280}"
+VIDEO_HEIGHT="${VIDEO_HEIGHT:-720}"
+VIDEO_FPS="${VIDEO_FPS:-30}"
+VIDEO_BITRATE="${VIDEO_BITRATE:-3000000}"
+
+if [[ -n "${LIBCAMERA_BIN:-}" ]]; then
+	LIBCAMERA_BIN_PATH="$LIBCAMERA_BIN"
+elif command -v rpicam-vid >/dev/null 2>&1; then
+	LIBCAMERA_BIN_PATH="$(command -v rpicam-vid)"
+elif command -v libcamera-vid >/dev/null 2>&1; then
+	LIBCAMERA_BIN_PATH="$(command -v libcamera-vid)"
+else
+	echo "Neither rpicam-vid nor libcamera-vid found; install libcamera-apps." >&2
+	exit 1
+fi
+
+if [[ -n "${FFMPEG_BIN:-}" ]]; then
+	FFMPEG_BIN_PATH="$FFMPEG_BIN"
+elif command -v ffmpeg >/dev/null 2>&1; then
+	FFMPEG_BIN_PATH="$(command -v ffmpeg)"
+else
+	echo "ffmpeg not found; install it via apt install ffmpeg." >&2
+	exit 1
+fi
+
+run_pipeline() {
+	"${LIBCAMERA_BIN_PATH}" \
+		--inline \
+		--timeout 0 \
+		--width "${VIDEO_WIDTH}" \
+		--height "${VIDEO_HEIGHT}" \
+		--framerate "${VIDEO_FPS}" \
+		--bitrate "${VIDEO_BITRATE}" \
+		--codec h264 \
+		--profile baseline \
+		--denoise cdn_off \
+		--nopreview \
+		--output - \
+		| "${FFMPEG_BIN_PATH}" \
+			-hide_banner \
+			-loglevel warning \
+			-fflags nobuffer \
+			-use_wallclock_as_timestamps 1 \
+			-f h264 \
+			-i pipe:0 \
+			-c:v copy \
+			-an \
+			-flush_packets 1 \
+			-f mpegts \
+			"${PUBLISH_URL}"
+}
+
+while true; do
+	if run_pipeline; then
+		exit 0
+	fi
+	echo "Video publisher exited, restarting in 2s..." >&2
+	sleep 2
+done