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README for the TOOLS directory
==============================

Preamble
--------

In this directory you can find some nice scripts and code that makes
using MPlayer and MEncoder easier, for example scripts for DVD track
encoding in three pass mode or creating SVCDs from a movie.

FIXME: Document all the stuff in the subdirectories.



MPlayer scripts in the TOOLS dir
--------------------------------

midentify

Author:       Tobias Diedrich

Description:  Runs 'mplayer -identify' for all arguments while preventing
              video window flashing.

Usage:        midentify file1 [file2 ...]


mpconsole

Author:       Rich Felker

Description:  Script to run MPlayer on the console (fbdev/mga_vid/etc.) without
              the console text and/or flashing cursor getting in the way.

Usage:        mpconsole [mplayer options]


mplmult.sh

Author:       Reimar Döffinger

Description:  Example how to output video on multiple windows in sync. Might
              be even more useful in combination with -vo ggi to distribute
              the video arbitrarily.

Usage:        mplmult.sh <n> <options>
              n        number of MPlayer instances that display the video
              options  any options you would pass to MPlayer, more than
                       one file will usually not work


subsearch.sh

Author:       Alex Beregszaszi

Description:  Collects subtitle files from the directory given as argument
              ('.' if none is given) and its subdirectories and prints
              them as a comma separated list to stdout.

Usage:        subsearch.sh [directory]
              mplayer -sub `subsearch.sh` movie


x2mpsub.sh

Author:       Gabucino

Description:  Converts the subtitles in the current directory into MPsub
              format (subtitles go in ./converted-subtitles/).

Usage:        x2mpsub.sh


mp.pl

Author:       Felix Bünemann

Description:  Small helper script that allows to play multiple files with
              MPlayer. Wildcards are supported.

Usage:        mp.pl <parameters> <files>
              Where <parameters> are all possible command line switches
              for MPlayer and <files> can be either a list of files,
              like file1 file2 file3 and/or a wildcard definition,
              like *.avi.

              example: mp.pl -vo x11 /dvd/VIDEO_TS/VTS_05_*.VOB movie.asf


wma2ogg.pl

Author:       Peter Simon

Description:  Converts WMA files to Ogg or MP3.

Usage:        wma2ogg [options] <-f FILE1 | -f FILE2 ... | -a>
              -f, -file   filename
              -a          converts all WMA files in the current directory
              -t          output filetype (ogg, mp3) [default=ogg]
              -lame       I wanna use L.A.M.E. sure enough!
              -br         bitrate (kb/s) [default=from the WMA]
              -del        remove WMA file(s) after the transcoding



MEncoder scripts in the TOOLS dir
---------------------------------

divx2svcd

Author:       Miklos Vajna

Description:  A simple utility that creates an SVCD from a video in an AVI
              container.

Usage:        divx2svcd <input_avi> [options]
              see 'divx2svcd -h' for more info


menc2pass

Author:       Felix Bünemann

Description:  Helper script to ease MEncoder two pass encoding. Give it all
              the encoding parameters you would pass to mencoder, but leave
						  out the (v)pass=<n> suboption.

Usage:        menc2pass <options>


mencvcd

Author:       Jürgen Hammelmann

Description:  Converts DVD (or anything else that MPlayer plays) to (S)VCD

Usage:        mencvcd <basename> [mencvcd options] [mplayer options]
              see 'mencvcd -h' for more info

Note:         Requires MPlayer, mjpegtools, VCDImager, cdrdao, and optionally
              LAME, tooLAME and SoX.


dvd2divxscript.pl

Author:       Florian Schilhabel

Description:  Yet another DVD to divx helper script.
              This script encodes a DVD track in three pass mode to MPEG-4 with
              libavcodec. Optionally it writes the resulting movie file to
              CD-ROM the corresponding audio track to MP3. It can also shut
              down the computer when it finishes. If you like, you can
              watch the MEncoder output on /dev/tty8.

Usage:        --help       show help
              --abr        (AudioBitRate) Please enter the desired bitrate this
                           can be either [96|128|192] kbit/sec (default: 128).
              --lang       Specify the Language of the audio track this can be
                           for example <en> or <de> (default: <de>).
              --dvd        Specify the DVD track you want to encode.
              --cdsize     Specify the size of your CD-ROM (default: 700MB).
              --shutdown   Shutdown the system, when the encoding process has
                           finished. Needs appropriate privileges.
              --out        Specify the name of your encoded movie. The file
                           extension will be appended automatically.
              --writecd    Takes the newly created movie and writes it to a
                           CD-ROM.
              --writedev   cdrecord device identifier, for example 0,1,0
              --speed      writing speed (default: 4)
              --dvd-device device to pull the video off (default: /dev/dvd)


aconvert

Author:       Jonas Jermann

Description:  A hack to allow MEncoder to read respectively encode from audio
              only files.

Usage:        aconvert <"input file"> <"output file"> <"options">
              If no options are specified the following is assumed:
              -oac lavc -lavcopts acodec=mp3:abitrate=192

Note:         The script is probably bash dependent and it's just a quick
              hack, feel free to improve it (or much better: fix mencoder ;).



qepdvcd.sh

Author:       Reynaldo H. Verdejo Pinochet

Description:  anything supported to VCD/SVCD PAL/NTSC converter

Usage:        qepdvcd.sh file <options>
              Run with no arguments to see the list of options.

Note:         You will need vcdimager/cdrecord to master/burn the resulting
              files.


Tech scripts in the TOOLS dir
-----------------------------

fastmem.sh

Author:       Arpi

Description:  benchmark/testbed for fastmemcpy stuff

Usage:        fastmem.sh


sws-test

Author:       Michael Niedermayer

Description:  Very simple script to generate PNG images from a video with all
              -sws methods.

Usage:        sws-test <video-file> <start-pos> <res>

              example: sws-test abc.avi 10 160:120


calcbpp.pl

Author:       Moritz Bunkus

Description:  A script that calculates the $bpp for a movie, mentioned in
              DOCS/tech/encoding-tips.txt, see that document for more info.

Usage:        calcbpp.pl <resolution> <aspect ratio> <bitrate> <fps>
              resolution:    the cropped but unscaled resolution
                             (use '-vf cropdetect')
              aspect ratio:  the encoded aspect ratio. All DVDs come at
                             720x576 but contain a flag that tells the player
                             wether it should display the DVD at an aspect
                             ratio of 4/3 (1.333) or at 16/9 (1.777). Have a
                             look at MPlayer's output - there's something
                             about 'prescaling'. That's what you are looking
                             for.
              bitrate:       the video bitrate in kbit/s
              fps:           the fps

              example: calcbpp.pl 720x440 16/9 896 25


countquant.pl

Author:       Moritz Bunkus

Description:  Counts the quantizers used for the encoding, mentioned in
              DOCS/tech/encoding-tips.txt, see that document for more info.

Usage:        countquant.pl < divx2pass.log
              It will print out which quantizer was used how often. If you see
              that e.g. the lowest quantizer (vqmin=2) gets used for > 95% of
              the frames then you can safely increase your picture size.


perlbench.pl

Author:       Felix Bünemann

Description:  fastmemcpy benchmark script

Usage:        perlbench.pl


plotpsnr.pl

Author:       Jonas Jermann

Description:  Draw PSNR log graphs using gnuplot.

Usage:        plotpsnr.pl [options] <file>
              -h, --help    Display this help message
              -quant        Display quantizers
              -size         Display size
              -psnr         Display PSNR
              -iframes      Display I-frames
              -pframes      Display P-frames
              -bframes      Display B-frames
              -aframes      Display all frames in different colors
              -cmp <file2>  Compare two files
              -qs <style>   Quantizer style
              -ss <style>   Size style
              -ps <style>   PSNR style

              Default: -quant -size -psnr -qs "p" -ss "i" -ps "p"

Note:         Requires gnuplot. Comparison is based on file2. Comparison
              assumes that the frame numbers of both files fit.


psnr-video.sh

Author:       Matthias Wieser

Description:  Calculates the PSNR between two existing video files.
              The PSNR is calculated frame by frame.
              Also prints the overall PSNR.
              The script can be used to:
               * Compare different softwarescalers (should I use
                 -sws 1 or -sws 2 ?)
               * Compare different resolutions (is it better to scale
                 down to 640x360 or to 560x320)
               * Compare different deinterlacers
               * Compare different video codecs
               * Compare video filters (is it better to use -vf hqdn3d
                 or lavcopts:nr=400)
               * [...]

Usage:        psnr-video.sh <file1> <file2> [<frames>] [<options1>] [<options2>]

              <file1> and <file2> are the video files for which the PSNR
                should be calculated.
              [<frames>] is the number of frames to process, starting
                from frame 1.
              [<options1>] are additional MPlayer options for <file1>
              [<options2>] are additional MPlayer options for <file2>

              A file called ./psnr.dat will be created with the following
              content:

              File;Y;Cb;Cr
              00000001.ppm;34.23;39.54;40.06;35.426
              00000002.ppm;33.03;38.71;39.26;34.271
              00000003.ppm;33.45;38.91;39.28;34.655
              00000004.ppm;32.72;38.69;38.85;33.972
              [...]
              00000247.ppm;35.55;40.84;42.15;36.785
              PSNR:;35.9887

Note:         This script relies on the the tool "pnmpsnr" for the
              frame-by-frame PSNR calculation.
              Be aware that psnr-video.sh needs a lot of temporary space
              inside /temp/.


asfinfo

Author:       Arpi

Description:  a simple ASF header display program

Usage:        asfinfo <filename.asf>

Note:         Also see MPlayer's -identify option.


avi-fix

Author:       Arpi

Description:  A simple tool to fix chunk sizes in RIFF AVI files.

Usage:        avi-fix [-fix] <badfile.avi>

Note:         It does not check or fix the index, to do this use
              'mencoder -forceidx -oac copy -ovc copy'.


bios2dump

Author:       Nick Kurshev

Description:  Extract your PC BIOS and save it to file.

Usage:        As argument requires DOS interrupt number in hexadecimal form.
              As output - will write 64KB file which will named:
              SSSS_OOOO.intXX
      where:  SSSS - segment of BIOS interrupt handler
              OOOO - offset of BIOS interrupt handler
              XX   - interrupt number which was passed as argument


checktree.sh

Author:       Ivo van Poorten

Description:  Check the source tree for anomalies.

Usage:        checktree.sh -help

Note:         This script is meant for developers to check the current (CVS)
              source tree and/or the patches they are working on.


cpuinfo

Author:       Jürgen Keil

Description:  the prototype ../cpuinfo.c

Note:         Used by configure to emulate /proc/cpuinfo on non-Linux systems.


dump_mp4

Author:       Arpi

Description:  MPEG4-ES stream inspector, dumps the stream startcodes.


fastmemcpybench

Author:       Felix Bünemann

Description:  benchmark/testbed for fastmemcpy stuff

Note:         Also see fastmem.sh.


mem2dump

Author:   Nick Kurshev

Description:  Dump memory block to file.

Usage:        As argument requires absolute address of memory dump and its
              length (in hexadecimal form).
              As output - will write file which will be named:
              memADDR_LEN.dump
       where: ADDR - given address of memory
              LEN  - given length of memory


movinfo

Author:       Arpi

Description:  Show QuickTime MOV file structure.

Usage:        movinfo <filename.mov>


png2raw

Author:       Arpi

Description:  PNG to RAW image converter, used by .raw font creators.

Usage:        png2raw <file1> [file2...]


vivodump

Author:       Arpi

Description:  Dump H.263 frame headers from VIVO files.

Usage:        vivodump <input_file> <output_file>



Miscellaneous scripts in the TOOLS dir
--------------------------------------

subedit.pl

Author:       Michael Klepikov

Description:  A script for pipelined editing of subtitle files.

Usage:        subedit.pl [switches]
    -if,--input-format <fmt>   input format; supported: SRT (default: SRT)
    -of,--output-format <fmt>  output format; supported: SRT
                               (default: input format)
    -s,--shift <time>          shift all subtitles by <time>
                               (format: [-]hh:mm:ss,fraction)
    -c,--scale <time>          scale by adding <time> to overall duration
    -f,--split-from <time>     drop subtitles that end before <time>
    -t,--split-to <time>       drop subtitles that start after <time> (will
                               truncate timing if it overlaps a boundary)
    -r,--renumber              renumber SRT subtitles in output
    -d,--debug                 enable debug output
    -h,--help                  help message


w32codec_dl.pl

Author:       Tom Lees

Description:  This script will use the Windows Media Player codec download
              infrastructure to aquire the codecs listed in codecs.conf and put
              them in a directory named "codecs/" below the current directory.

Usage:        w32codec_dl.pl <codecs.conf location>

Note:         You will need the libwww-perl stuff and the cabextract utility
              which can be found at http://www.kyz.uklinux.net/cabextract.php3.


install-divx5.sh

Author:       Andrea Menucci, thuglife

Description:  Downloads and installs DivX 5 codecs from divx.com.

Usage:        install-divx5.sh install
              install-divx5.sh uninstall


install-w32codecs.sh

Author:       Andrea Menucci, thuglife

Description:  Downloads binary codecs from mplayerhq.hu and installs them
              on a Debian system.

Usage:        install-w32codecs.sh install
              install-w32codecs.sh uninstall


vobshift.py

Author:       Gábor Farkas

Description:  Adjust the time-info in vobsub files

Usage:        vobshift.py in.idx out.idx +8.3
              Will shift the time by 8.3 seconds


subrip.c

Author:       Kim Minh Kaplan

Description:  Transform VOBsub subtitles into Subrip text subtitles using
              GOCR/JOCR.

Usage:        subrip <vobsub basename> [subid [output filename] ]

Note:         Requires at least JOCR/GOCR 0.37.
              You will have to change the 'vobsub_id' value if you want a
              subtitle different from number 0. Hint: You can view the
              subtitle that is being decoded with "display subtitle-*.pgm".


alaw-gen.c

Author:       Arpi

Description:  Generates alaw/ulaw tables.

Note:         Created to work around a past license issue, no longer useful.


avisubdump.c

Author:       Tobias Diedrich

Description:  Dumps vobsub soft subtitles streams embedded in avi files.

Usage:        avisubdump <avi>



Format conversion scripts in the TOOLS dir
------------------------------------------

302m_convert.c

Author:       Reimar Döffinger

Description:  Converts D-Cinema Audio (SMPTE 302M?) to WAV.

Usage:        302m_convert <in.302> <out.wav>


360m_convert.c

Author:       Reimar Döffinger

Description:  Converts D-Cinema Video (MPEG-2 in GXF, SMPTE 360M) to MPEG-ES.
              Use -demuxer mpeges to play the converted file.

Usage:        360m_convert <in.gxf> <out.m2v>