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#!/bin/bash
STREAM=$1
VRATE=$2
ARATE=$3
ACHANNELS=$4
XY=$5
HTTP_PATH="$6ram/"
SEGDUR=10 # Length of Segments produced (between 10 and 30)
SEGWIN=$7 # Amount of Segments to produce
FFPATH=$8
SEGMENTERPATH=$9
PREFIX=stream
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
#############################################################
# 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
##############################################################
if (! ps ax | awk '{print $5}' | grep -q "$SEGMENTERPATH")
then
test -L ram && (test -d /dev/shm/ram || mkdir /dev/shm/ram)
cd ram
2> /dev/null rm "$PREFIX"*.ts
2> /dev/null $FFPATH -i "$STREAM" -deinterlace -f mpegts -acodec libmp3lame -ab $ARATE -ac $ACHANNELS -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 - | \
$SEGMENTERPATH - $SEGDUR $PREFIX $PREFIX.m3u8 $HTTP_PATH $SEGWIN &
fi
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