From 7c9db99d91a30cf3be973fe02a0c77173960dd51 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Mon, 22 May 2017 13:51:33 +0200
Subject: Generalize function mux_webm().

---
 bin/stream | 29 ++++++++++++++++++++++++-----
 1 file changed, 24 insertions(+), 5 deletions(-)

(limited to 'bin/stream')

diff --git a/bin/stream b/bin/stream
index ca78179..ec710f3 100755
--- a/bin/stream
+++ b/bin/stream
@@ -102,7 +102,7 @@ fi
 [ -z "$XINPUT" ] || [ $XINPUT -eq 1 ] || exit1 "Too many arguments: Max. 1 multimedia source"
 [ -n "${NOAUDIO:-}" ] || [ -z "$AINPUT$XINPUT" ] || HASAUDIO=1
 [ -n "${NOVIDEO:-}" ] || [ -z "$VINPUT$XINPUT" ] || HASVIDEO=1
-[ -z "${HASAUDIO:-}" ] || [ -z "${HASVIDEO:-}" ] || HASMULTIMEDIA=1
+TARGETS_WEBM="${HASAUDIO:+rtp_video} ${HASVIDEO:+rtp_audio}"
 VSTREAMINDEX=1
 [ -n "$AINPUT" ] || VSTREAMINDEX=0
 
@@ -242,6 +242,28 @@ tee_rtp() { stream=$1; pt=$2; port=$3;
  echo_n "[select=\'$stream\':f=rtp:payload_type=$pt]rtp://$IP:$port?pkt_size=1440"
 }
 
+mux_webm() {
+ muxcount=$(echo "$TARGETS_WEBM" | wc --words)
+ if [ $muxcount -lt 2 ]; then
+  case "$TARGETS_WEBM" in
+   rtp_audio) echo_n "-f rtp -payload_type 111 rtp://$IP:$FIRSTPORT?pkt_size=1440";;
+   rtp_video) echo_n "-f rtp -payload_type 100 rtp://$IP:$((FIRSTPORT+2))?pkt_size=1440";;
+   *) exit1 "Unsupported muxing $TARGETS_WEBM";;
+  esac
+ else
+  echo_n "-f tee "
+  for muxing in $TARGETS_WEBM; do
+   case "$muxing" in
+    rtp_audio) echo_n "[select=\'a\':f=rtp:payload_type=111]rtp://$IP:$FIRSTPORT?pkt_size=1440";;
+    rtp_video) echo_n "[select=\'v\':f=rtp:payload_type=100]rtp://$IP:$((FIRSTPORT+2))?pkt_size=1440";;
+    *) exit1 "Unsupported muxing $muxing";;
+   esac
+   muxcount=$((muxcount-1))
+   [ $muxcount -lt 1 ] || echo_n '|'
+  done
+ fi
+}
+
 ffmpeg -hide_banner -threads auto \
  ${ALSA:+-f alsa -sample_rate "$AFRAMERATE_SRC" -channels "$ACHANNELS" -thread_queue_size 2048 -i "$ALSA"} \
  ${DVCAM:+-f iec61883 -thread_queue_size 64 -i $DVCAM} \
@@ -263,10 +285,7 @@ ffmpeg -hide_banner -threads auto \
  $(encode_opus) } \
  ${HASVIDEO:+\
  $(encode_vp8 "$VBITRATE" "$SPEED_VP8") } \
- -f tee \
- "${HASAUDIO:+$(tee_rtp a 111 "$FIRSTPORT")}
-  ${HASMULTIMEDIA:+|}
-  ${HASVIDEO:+$(tee_rtp v 100 $((FIRSTPORT+2)))}" } \
+ $(mux_webm) } \
  ${ENCODINGS_MPEG:+\
  ${HASAUDIO:+-map '0:a' }${HASVIDEO:+$(printf_each ' -map [v%smpeg]' "$ENCODINGS_MPEG") } -shortest \
  ${HASAUDIO:+\
-- 
cgit v1.2.3