From b450c785f35dc0dd66990b3a75aa5e96b62d0a88 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Thu, 11 May 2017 11:48:26 +0200
Subject: Process audio before video.

---
 bin/recv-gst-rtp-v-a | 50 +++++++++++++++++++++++++-------------------------
 1 file changed, 25 insertions(+), 25 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 1da2106..dbf21c0 100755
--- a/bin/recv-gst-rtp-v-a
+++ b/bin/recv-gst-rtp-v-a
@@ -4,12 +4,12 @@
 
 set -e
 CAMIP=${CAMIP:-$1} # origin host - default: use multicast group
-VCOUNT=${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}
+ACOUNT=${ACOUNT:-${2:-0}} # number of audio stream(s) to play - default: 0
+VCOUNT=${VCOUNT:-${3:-1}} # number of video stream(s) to display - default: 1
+AFORMAT=${AFORMAT:-$4} # AMR OPUS RAW - default: RAW
+VFORMAT=${VFORMAT:-$5} # H264 VP8 RAW - default: RAW
 ASINK=${ASINK:-autoaudiosink}
+VSINK=${VSINK:-autovideosink}
 set -u
 
 # set multicast groups (also for recorder host) if camera host is wildcard
@@ -22,25 +22,6 @@ CAMHOST="${CAMIP:+host=$CAMIP}${CAMMIP:+host=$CAMMIP auto-multicast=true}"
 ABUFFERS=80000
 NETLATENCY=20
 
-case "$VFORMAT" in
- H264)
-  VCAPS=application/x-rtp,media=video,clock-rate=90000,payload=96,encoding-name=H264
-  VDEC="rtph264depay ! avdec_h264"
-  ;;
- VP8)
-  VCAPS=application/x-rtp,media=video,clock-rate=90000,payload=96,encoding-name=VP8
-  VDEC="rtpvp8depay ! vp8dec"
-  ;;
- RAW|'')
-  VCAPS=application/x-rtp,media=video,clock-rate=90000,encoding-name=RAW,sampling=YCbCr-4:2:0,depth="(string)8",width="(string)432",height="(string)240",payload=96,a-framerate=30
-  VDEC="rtpvrawdepay ! videoconvert ! queue"
-  ;;
- *)
-  echo "ERROR: Unsupported video format: \"$VFORMAT\""
-  exit 1
-  ;;
-esac
-
 case "$AFORMAT" in
  AMR)
   ACAPS=application/x-rtp,media=audio,clock-rate=8000,encoding-name=AMR,encoding-params="(string)1",octet-align="(string)1",payload=96
@@ -60,6 +41,25 @@ case "$AFORMAT" in
   ;;
 esac
 
+case "$VFORMAT" in
+ H264)
+  VCAPS=application/x-rtp,media=video,clock-rate=90000,payload=96,encoding-name=H264
+  VDEC="rtph264depay ! avdec_h264"
+  ;;
+ VP8)
+  VCAPS=application/x-rtp,media=video,clock-rate=90000,payload=96,encoding-name=VP8
+  VDEC="rtpvp8depay ! vp8dec"
+  ;;
+ RAW|'')
+  VCAPS=application/x-rtp,media=video,clock-rate=90000,encoding-name=RAW,sampling=YCbCr-4:2:0,depth="(string)8",width="(string)432",height="(string)240",payload=96,a-framerate=30
+  VDEC="rtpvrawdepay ! videoconvert ! queue"
+  ;;
+ *)
+  echo "ERROR: Unsupported video format: \"$VFORMAT\""
+  exit 1
+  ;;
+esac
+
 stream() {
  ID=$1
  CAPS=$2
@@ -77,6 +77,6 @@ stream() {
 gst-launch-1.0 -v \
  rtpbin name=rtpbin latency=$NETLATENCY drop-on-latency=true \
  $(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;\
+  for i in $(seq "$VCOUNT"); do n=$((n+1)); stream "$n" "$VCAPS" "$VDEC ! $VSINK"; done;\
  )
-- 
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