Categoria: Audio-Video

#!/bin/bash

# merge more mts file in one and encode it
# to obtain 1600x900 x264/aac file

# detect anctual folder
actualdir="`pwd`"

# check for folder path
if [ -z "$1" ]; then
    echo -e "Nessun argomento trovato !!!\nDevi specificare la path della cartella degli MTS da unire\n"
    exit 1
fi

# move into mts folder path
cd "$1"
FILES=`ls -1 *.MTS`
FILESVAR=""

# concat of MTS files name
for i in $FILES ; do
  FILESVAR="$FILESVAR$i|"
done

# encoding command generation
ffmpeg \
  -threads 4 \
  -i "concat:$FILESVAR" \
  -i /file/path/for/watermark.png \
  -filter_complex "[0:v]yadif, scale=-1:900[b];[b][1:v]overlay=x=(main_w-overlay_w-16):y=(main_h-overlay_h-16)" \
  -vcodec h264_nvenc \
  -preset:v llhq \
  -profile:v high \
  -level:v 5 \
  -rc:v ll_2pass_quality \
  -qmin:v 28 \
  -qmax:v 52 \
  -acodec aac \
  -ab 320k \
  -cutoff 22050 \
  -sn out.mkv




# return in first folder
cd $actualdir

<advancedsettings>
  <network>
    <buffermode>1</buffermode>
    <cachemembuffersize>20971520</cachemembuffersize>
    <readbufferfactor>4.0</readbufferfactor>
  </network>
</advancedsettings>

see also http://kodi.wiki/view/HOW-TO:Modify_the_video_cache

<keymap>
    <tvchannels>
        <keyboard>
            <f11>PreviousChannelGroup</f11>
            <f12>NextChannelGroup</f12>
        </keyboard>
    </tvchannels>
</keymap>

script to conver audio into mp3 constant bitrate 128

#! /bin/bash
mencoder "$1" -idx
-ovc copy
-oac mp3lame -lameopts cbr:mode=2:br=128
-o "$1-mp3.avi"

script to conver audio into mp3 constant bitrate 128 and video into xvid constant birtare 1500 with weight fixed to 720px

#! /bin/bash
mencoder "$1"
-oac mp3lame -lameopts cbr:br=128
-ovc xvid -xvidencopts pass=2:bitrate=1500
-vf scale=720:-10,harddup
-idx
-o "$1-xvidmp3.avi"

to capture from minidv use:
$ dvgrab --autosplit --format raw --size 0 --opendml capture-

to convert .dv file into .mkv (x264) with ffmpeg use:
$ ffmpeg -i input.dv -acodec libmp3lame -aq 4 -vcodec libx264 -preset normal -crf 24 -s 720x576 -aspect 4:3 -deinterlace -threads 0 output.mkv

$ ffmpeg -i <inputfile.dts> -acodec ac3 -ac 6 -ab 448k <output.ac3>

.ts to mkv (copy audio and video)
$ mencoder input.ts -oac mp3lame -lameopts cbr:br=128 -ovc xvid -xvidencopts aspect=4/3:pass=2:bitrate=1500 -o output.avi

#!/bin/bash
# merge more mts file

cd "$1"
FILES=`ls -1 *.MTS`
MERGECMD="mencoder -of lavf -lavfopts format=mp4 -vf harddup -oac copy -ovc copy "

for i in $FILES ; do
    if [ ! -f "$i.mp4" ];
    then
        mencoder "$i"
            -demuxer lavf
            -oac copy
            -ovc copy
            -of lavf=mp4
            -o "$i.mp4"
    fi
    MERGECMD="$MERGECMD $i.mp4 "
done

MERGECMD="$MERGECMD -o FULLMOVIE.mp4"
$MERGECMD

Encode audio using mp3 cbr 128kb stereo and rewrite index in avi output
$ mencoder <input avi file path> -idx -ovc copy -oac mp3lame -lameopts cbr:mode=2:br=128 -o <output avi file>