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#!/bin/bash
STREAM=$1
VRATE=$2
ARATE=$3
XY=$4
HTTP_PATH="$5ram/"
SEGDUR=10 # Length of Segments produced (between 10 and 30)
SEGWIN=$6 # Amount of Segments to produce
FFPATH=$7
SEGMENTERPATH=$8
SESSION=${9}
FFMPEGLOG=${10}
FFMPEGPREFIX=${11}
if [ $# -eq 0 ]
then
echo "Format is : ./istream.sh source video_rate audio_rate audio_channels 480x320 httppath segments_number ffmpeg_path segmenter_path"
exit 1
fi
# Log
if [ -z "$FFMPEGLOG" ]
then
FFMPEGLOG="/dev/null"
fi
#############################################################
# start dumping the TS via Streamdev into a pipe for ffmpeg
# and store baseline 3.0 mpegts to outputfile
# sending it to the segmenter via a PIPE
##############################################################
# Check that the session dir exists
if [ ! -e ../ram/$SESSION ]
then
exit;
fi
cd ../ram/$SESSION
# Create a fifo
2>/dev/null mkfifo ./fifo
# Start ffmpeg
(trap "rm -f ./ffmpeg.pid; rm -f ./fifo" EXIT HUP INT TERM ABRT; \
$FFMPEGPREFIX $FFPATH -i "$STREAM" -deinterlace -f mpegts -acodec libmp3lame -ab $ARATE -ac 2 -s $XY -vcodec libx264 -b $VRATE -flags +loop \
-cmp \+chroma -partitions +parti4x4+partp8x8+partb8x8 -subq 5 -trellis 1 -refs 1 -coder 0 -me_range 16 -keyint_min 25 \
-sc_threshold 40 -i_qfactor 0.71 -bt $VRATE -maxrate $VRATE -bufsize $VRATE -rc_eq 'blurCplx^(1-qComp)' -qcomp 0.6 \
-qmin 10 -qmax 51 -qdiff 4 -level 30 -g 30 -async 2 -threads 4 - 2>$FFMPEGLOG >./fifo) &
# Store ffmpeg pid
PID=$!
if [ ! -z "$PID" ]
then
2>/dev/null echo `\ps ax --format pid,ppid | grep "$PID$" | awk {'print $1'}` > ./ffmpeg.pid
fi
# Now start segmenter
(trap "rm -f ./segmenter.pid" EXIT HUP INT TERM ABRT; 2>/dev/null $SEGMENTERPATH ./fifo $SEGDUR stream stream.m3u8 $HTTP_PATH$SESSION/ $SEGWIN) &
# Store segmenter pid
PID=$!
if [ ! -z "$PID" ]
then
2>/dev/null echo `\ps ax --format pid,ppid | grep "$PID$" | awk {'print $1'}` > ./segmenter.pid
fi
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