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#!/bin/sh
#
# eb1304-to-ogg.sh - Take 4 input AVFs from a
# AVerDiGi EB1304NET and composes them together
# into a quad view ogg theora/vorbis video.
#
# Copyright (C) 2009 Ray Strode
#
# Based on guessing and example pipelines found around the internets and
# a huge amount of help from Tim-Philipp Müller.
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 2 of the License,
# or (at your option) any later version.
#
# This file is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this; see the file COPYING. If not, write to the Free
# Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
AUDIO_BOOST_FACTOR=200
function usage ()
{
echo "$0: { -h | [-v] [-a BOOST] [file1.avi file2.avi file3.avi file4.avi] [output.ogg] }" 2>&1
echo "Each file will be scaled to and positioned in a 720x480 quadrant" 2>&1
echo 2>&1
echo "-v verbose" 2>&1
echo "-a Audio boost factor (Default: $AUDIO_BOOST_FACTOR)" 2>&1
}
NUMBER_OF_FILES=0
LAUNCH_ARGS=""
while [ $# -gt 0 ]; do
case "$1" in
-v)
LAUNCH_ARGS="$LAUNCH_ARGS -v"
;;
-a)
shift
AUDIO_BOOST_FACTOR="$1"
;;
--help|-h)
usage
exit 0
;;
*)
if [ ! -f "$1" ]; then
if [ "${1:0:1}" = "-" ]; then
usage
exit 1
fi
fi
FILES[$NUMBER_OF_FILES]="$1"
NUMBER_OF_FILES=$[NUMBER_OF_FILES + 1]
;;
esac
shift
done
if [ $NUMBER_OF_FILES -eq 0 ]; then
INPUT_VIDEO_1_AND_AUDIO="ch1.avf"
INPUT_VIDEO_2="ch2.avf"
INPUT_VIDEO_3="ch3.avf"
INPUT_VIDEO_4="ch4.avf"
OUTPUT_FILE="video-`date +%Y.%m.%d-%H.%M.%S`.ogg"
elif [ $NUMBER_OF_FILES -eq 1 ]; then
INPUT_VIDEO_1_AND_AUDIO="ch1.avf"
INPUT_VIDEO_2="ch2.avf"
INPUT_VIDEO_3="ch3.avf"
INPUT_VIDEO_4="ch4.avf"
OUTPUT_FILE="${FILES[0]}"
elif [ $NUMBER_OF_FILES -eq 5 ]; then
INPUT_VIDEO_1_AND_AUDIO="${FILES[0]}"
INPUT_VIDEO_2="${FILES[1]}"
INPUT_VIDEO_3="${FILES[2]}"
INPUT_VIDEO_4="${FILES[3]}"
OUTPUT_FILE="${FILES[4]}"
else
usage
exit 1
fi
gst-launch -v $LAUNCH_ARGS \
filesrc name=upper_left_video_and_audio \
location=$INPUT_VIDEO_1_AND_AUDIO \
! decodebin2 name=streams \
\
oggmux name=ogg_packer \
! filesink location="$OUTPUT_FILE" \
\
streams.src1 \
! audioconvert \
! audioamplify amplification=$AUDIO_BOOST_FACTOR \
! audioresample \
! audiorate \
! queue max-size-time=5000000000 max-size-bytes=0 max-size-buffers=0 \
! vorbisenc \
! ogg_packer. \
\
streams.src0 \
! videoscale \
! 'video/x-raw-yuv,width=720,height=480' \
! videobox right=-720 bottom=-480 \
! ffmpegcolorspace \
! queue max-size-time=5000000000 max-size-bytes=0 max-size-buffers=0 \
! quad_screen.sink_0 \
\
\
filesrc name=upper_right_video \
location=$INPUT_VIDEO_2 \
! decodebin2 \
! videoscale \
! 'video/x-raw-yuv,width=720,height=480' \
! ffmpegcolorspace \
! quad_screen.sink_1 \
\
\
filesrc name=lower_left_video \
location=$INPUT_VIDEO_3 \
! decodebin2 \
! videoscale \
! 'video/x-raw-yuv,width=720,height=480' \
! ffmpegcolorspace \
! quad_screen.sink_2 \
\
\
filesrc name=lower_right_video \
location=$INPUT_VIDEO_4 \
! decodebin2 \
! videoscale \
! 'video/x-raw-yuv,width=720,height=480' \
! ffmpegcolorspace \
! quad_screen.sink_3 \
\
\
videomixer name=quad_screen \
sink_0::xpos=0 sink_0::ypos=0 sink_0::zorder=0 \
sink_1::xpos=720 sink_1::ypos=0 sink_1::zorder=1 \
sink_2::xpos=0 sink_2::ypos=480 sink_2::zorder=1 \
sink_3::xpos=720 sink_3::ypos=480 sink_3::zorder=1 \
! ffmpegcolorspace \
! videorate \
! queue \
! theoraenc \
! progressreport name="Encoding Progress" \
! ogg_packer. \
\
\
\
|
