Handle video-only or audio-only streams.

1 files changed, 8 insertions, 6 deletions

diff --git a/bin/stream b/bin/stream
index 1755141..59d7c20 100755
--- a/bin/stream
+++ b/bin/stream
@@ -60,6 +60,8 @@ fi
 [ -z "$VINPUT" ] || [ $VINPUT -eq 1 ] || exit1 "Too many arguments: Max. 1 video source"
 [ -z "$WINPUT" ] || [ $WINPUT -eq 1 ] || exit1 "Too many arguments: Max. 1 watermark source"
 [ -z "$XINPUT" ] || [ $XINPUT -eq 1 ] || exit1 "Too many arguments: Max. 1 multimedia source"
+[ -n "$NOAUDIO" ] || [ -z "$AINPUT$XINPUT" ] || MAYBEAUDIO=1
+[ -n "$NOVIDEO" ] || [ -z "$VINPUT$XINPUT" ] || MAYBEVIDEO=1
 VSTREAMINDEX=1
 [ -n "$AINPUT" ] || VSTREAMINDEX=0
 
@@ -82,17 +84,17 @@ ffmpeg -hide_banner -threads auto -re \
  ${XFILE:+-i "$XFILE"} \
  ${IIDC:+-f libdc1394 -video_size 640x480 -framerate 15 -thread_queue_size 256 -i "$IIDC"} \
  ${LOGO:+-i "$LOGO"} \
- -filter_complex \
+ ${MAYBEVIDEO:+-filter_complex \
  "[$VSTREAMINDEX:v]scale=-1:$HEIGHT[bg]${LOGO:+;
-  [bg][$((VSTREAMINDEX+1)):v]overlay=main_w-overlay_w-20:main_h-overlay_h-20[v]}" \
- -map '0:a' \
+  [bg][$((VSTREAMINDEX+1)):v]overlay=main_w-overlay_w-20:main_h-overlay_h-20[v]}"} \
+ ${MAYBEAUDIO:+-map '0:a' \
  -codec:a libopus -ac "$ACHANNELS" -ar "$AFRAMERATE" -b:a "$ABITRATE" \
- -f rtp -payload_type 111 "rtp://$IP:$FIRSTPORT?pkt_size=1200" \
- -map '[v]' \
+ -f rtp -payload_type 111 "rtp://$IP:$FIRSTPORT?pkt_size=1200"} \
+ ${MAYBEVIDEO:+-map '[v]' \
  -pix_fmt yuv420p \
  -codec:v vp8 -quality realtime -deadline 1000000 -cpu-used 15 \
  -b:v "$VBITRATE" -minrate "$VBITRATE" -maxrate "$VBITRATE" \
  -undershoot-pct 95 -bufsize $((6000*VBITRATE/1000)) -rc_init_occupancy $((4000*VBITRATE/1000)) \
  -max-intra-rate 0 \
  -qmin 4 -qmax 56 \
- -f rtp -payload_type 100 "rtp://$IP:$((FIRSTPORT+2))?pkt_size=1200"
+ -f rtp -payload_type 100 "rtp://$IP:$((FIRSTPORT+2))?pkt_size=1200"}