From 61ba220b60087b62410b6709005f8ddfbdd711d6 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Thu, 11 May 2017 11:45:15 +0200
Subject: Normalize device loop.

---
 bin/recv-gst-rtp-v-a | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'bin/recv-gst-rtp-v-a')

diff --git a/bin/recv-gst-rtp-v-a b/bin/recv-gst-rtp-v-a
index 2289d04..1da2106 100755
--- a/bin/recv-gst-rtp-v-a
+++ b/bin/recv-gst-rtp-v-a
@@ -4,8 +4,8 @@
 
 set -e
 CAMIP=${CAMIP:-$1} # origin host - default: use multicast group
-VCOUNT=${VCOUNT:-$2} # number of video stream(s) to display - default: 1
-ACOUNT=${ACOUNT:-$3} # number of audio stream(s) to play - default: 0
+VCOUNT=${VCOUNT:-${2:-1}} # number of video stream(s) to display - default: 1
+ACOUNT=${ACOUNT:-${3:-0}} # number of audio stream(s) to play - default: 0
 VFORMAT=${VFORMAT:-$4} # H264 VP8 RAW - default: RAW
 AFORMAT=${AFORMAT:-$5} # AMR OPUS RAW - default: RAW
 VSINK=${VSINK:-autovideosink}
@@ -76,5 +76,7 @@ stream() {
 
 gst-launch-1.0 -v \
  rtpbin name=rtpbin latency=$NETLATENCY drop-on-latency=true \
- $(for i in $(seq "${VCOUNT:-1}"); do stream "$i" "$VCAPS" "$VDEC ! $VSINK"; done) \
- $(for j in $(seq "${ACOUNT:-0}"); do stream $((VCOUNT+j)) "$ACAPS" "$ADEC ! $ASINK buffer-time=$ABUFFERS"; done)
+ $(n=0;\
+  for i in $(seq "$VCOUNT"); do n=$((n+1)); stream "$n" "$VCAPS" "$VDEC ! $VSINK"; done;\
+  for i in $(seq "$ACOUNT"); do n=$((n+1)); stream "$n" "$ACAPS" "$ADEC ! $ASINK buffer-time=$ABUFFERS"; done;\
+ )
-- 
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