snowmix/server/stream.sh

#!/bin/bash

vbitrate=800
abitrate=64000

feed_id=1
audio_feed_id=1
audio_sink_id=1

. $SNOWMIX/scripts/gstreamer-settings
. $SNOWMIX/scripts/snowmix-settings

width=$feed_width
height=$feed_height
framerate=$(echo "$framerate" | cut -f 1 -d.) #this is getting populated with 25.000 which x264enc doesn't like
audiorate=$feed_rate
channels=$feed_channels

#width=1024
#height=768
#framerate=25
#audiorate=44100
#channels=2

###################### Settings ########################
########################################################
# THe following settings should not be changed
h264_level=4.1
h264_profile=high
h264_bframes=0
keyint=$(echo "2 * $framerate" |bc)


VIDEOCONVERT="videoconvert"
#VIDEOCONVERT="video/x-raw, width=800, height=600 ! videoconvert"
# VIDEO=video/x-raw-yuv
afid="format=(string)S16LE, "

ENCAUDIOFORMAT='aacparse ! audio/mpeg,mpegversion=4,stream-format=raw'
videoencoder="x264enc bitrate=$vbitrate key-int-max=$keyint bframes=$h264_bframes byte-stream=false aud=true speed-preset=5"
#default=6=medium, 5=fast, 4=faster...0=none

audioencoder="faac bitrate=$abitrate"

serverurl='rtmp://localhost/rpi2/movie'

location=$serverurl
framerate="$framerate/1" #Fraction

ENCVIDEOFORMAT="h264parse ! video/x-h264,level=(string)$h264_level,profile=$h264_profile"

VIDEO='video/x-raw, format=(string)BGRA, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive'
VIDEOFORMAT=$VIDEO', framerate='$framerate', width='$width', height='$height

AUDIO=audio/x-raw
AUDIOFORMAT=$AUDIO', '$afid' endianness=(int)1234, signed=(boolean)true, width=(int)16, depth=(int)16, rate=(int)'$audiorate', channels=(int)'$channels

# ctrsocket must match system socket in running Snowmix
ctrsocket=/tmp/mixer1
# audiosink must match audio sink in running Snowmix
audiosink=1
VIDEOSRC='shmsrc socket-path='$ctrsocket' do-timestamp=true is-live=true'
AUDIOSRC="fdsrc fd=0 do-timestamp=true"
#AUDIOSRC="audiotestsrc is-live=true"

echo      gst-launch-1.0 -e                               \
            $VIDEOSRC                               !\
            $VIDEOFORMAT                            !\
            queue                                   !\
            $VIDEOCONVERT                           !\
            $videoencoder                           !\
            $ENCVIDEOFORMAT                         !\
            queue                                   !\
            mux. $AUDIOSRC                          !\
            $AUDIOFORMAT                            !\
            queue                                   !\
            $audioencoder                           !\
            $ENCAUDIOFORMAT                         !\
            queue                                   !\
            flvmux streamable=true name=mux         !\
            queue                                   !\
            rtmpsink location="$location"


( echo "audio sink ctr isaudio $audiosink" ) | \
    /bin/nc -q -1 127.0.0.1 9999      | \
    (head -1
     gst-launch-1.0 -e                               \
            $VIDEOSRC                               !\
            $VIDEOFORMAT                            !\
            queue                                   !\
            $VIDEOCONVERT                           !\
            $videoencoder                           !\
            $ENCVIDEOFORMAT                         !\
            queue                                   !\
            mux. $AUDIOSRC                          !\
            $AUDIOFORMAT                            !\
            queue                                   !\
            $audioencoder                           !\
            $ENCAUDIOFORMAT                         !\
            queue                                   !\
            flvmux streamable=true name=mux         !\
            queue                                   !\
			rtmpsink location="$location"
    )