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That's all there is to it!

58
ChangeLog
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$Id: ChangeLog 1008 2007-07-15 01:19:30Z ddennedy $
USING svn log NOW
2007-04-09 Dan Dennedy <dan@dennedy.org>
Cleanup copyrights and attributions, and move Jean-Baptiste's services
to a new kdenlive module.
2007-03-30 Dan Dennedy <dan@dennedy.org>
Add support for sox 13.0.0.
2007-03-30 Jean-Baptiste Mardelle <jb@kdenlive.org>
Fix boxblur and wave filters license.
2007-03-29 Dan Dennedy <dan@dennedy.org>
Cleanup license declarations and remove dv1394d references.
Change registration of vmfx/mono to threshold to disambiguate with
core/mono.
2007-03-27 Dan Dennedy <dan@dennedy.org>
Fix ffmpeg swscale code enabled with mmx flags and fix --enable-swscale
in conjunction with --avformat-static.
2007-03-16 Dan Dennedy <dan@dennedy.org>
Added docs/policies.txt.
2007-02-19 Jean-Baptiste Mardelle <jb@kdenlive.org>
Blur and wave filters: fix typos and make functions static (patch from Stephane Fillod)
2007-02-18 Jean-Baptiste Mardelle <jb@kdenlive.org>
Add blur and wave filters from Leny Grisel
2007-02-07 Dan Dennedy <dan@dennedy.org>
Added ffmpeg libswscale support to avformat module (requires configure
option --avformat-swscale)
2006-12-07 Dan Dennedy <dan@dennedy.org
Applied patch from Stephane Fillod to make configure run with bash
since it uses bash-specific features. Also, patches headers to
C comments for pedantic compilation.
2006-09-28 Zachary Drew <zachary.drew@gmail.com>
applied audio frequency and audio channels initialization patch from Jean-Baptiste
2006-09-27 Zachary Drew <zachary.drew@gmail.com>
applied amd64 patch from gentoo folks to fix compilation of motion_est
on amd64 (thanks for the heads-up Jean-Michel)
2006-09-25 Dan Dennedy <dan@dennedy.org>
- src/modules/sdl/Makefile: fix compilation on some systems using
modular x.org.
2006-08-08 Dan Dennedy <dan@dennedy.org>
enhance producer_westley to parse Kino 0.9.1 SMIL (clock) time values.
2006-08-08 Dan Dennedy <dan@dennedy.org>
convert --avformat-cvs to svn and rename option as --avformat-svn (--avformat-cvs is an undocumented alias).

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GPL
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stating that you changed the files and the date of any change.
b) You must cause any work that you distribute or publish, that in
whole or in part contains or is derived from the Program or any
part thereof, to be licensed as a whole at no charge to all third
parties under the terms of this License.
c) If the modified program normally reads commands interactively
when run, you must cause it, when started running for such
interactive use in the most ordinary way, to print or display an
announcement including an appropriate copyright notice and a
notice that there is no warranty (or else, saying that you provide
a warranty) and that users may redistribute the program under
these conditions, and telling the user how to view a copy of this
License. (Exception: if the Program itself is interactive but
does not normally print such an announcement, your work based on
the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
identifiable sections of that work are not derived from the Program,
and can be reasonably considered independent and separate works in
themselves, then this License, and its terms, do not apply to those
sections when you distribute them as separate works. But when you
distribute the same sections as part of a whole which is a work based
on the Program, the distribution of the whole must be on the terms of
this License, whose permissions for other licensees extend to the
entire whole, and thus to each and every part regardless of who wrote it.
Thus, it is not the intent of this section to claim rights or contest
your rights to work written entirely by you; rather, the intent is to
exercise the right to control the distribution of derivative or
collective works based on the Program.
In addition, mere aggregation of another work not based on the Program
with the Program (or with a work based on the Program) on a volume of
a storage or distribution medium does not bring the other work under
the scope of this License.
3. You may copy and distribute the Program (or a work based on it,
under Section 2) in object code or executable form under the terms of
Sections 1 and 2 above provided that you also do one of the following:
a) Accompany it with the complete corresponding machine-readable
source code, which must be distributed under the terms of Sections
1 and 2 above on a medium customarily used for software interchange; or,
b) Accompany it with a written offer, valid for at least three
years, to give any third party, for a charge no more than your
cost of physically performing source distribution, a complete
machine-readable copy of the corresponding source code, to be
distributed under the terms of Sections 1 and 2 above on a medium
customarily used for software interchange; or,
c) Accompany it with the information you received as to the offer
to distribute corresponding source code. (This alternative is
allowed only for noncommercial distribution and only if you
received the program in object code or executable form with such
an offer, in accord with Subsection b above.)
The source code for a work means the preferred form of the work for
making modifications to it. For an executable work, complete source
code means all the source code for all modules it contains, plus any
associated interface definition files, plus the scripts used to
control compilation and installation of the executable. However, as a
special exception, the source code distributed need not include
anything that is normally distributed (in either source or binary
form) with the major components (compiler, kernel, and so on) of the
operating system on which the executable runs, unless that component
itself accompanies the executable.
If distribution of executable or object code is made by offering
access to copy from a designated place, then offering equivalent
access to copy the source code from the same place counts as
distribution of the source code, even though third parties are not
compelled to copy the source along with the object code.
4. You may not copy, modify, sublicense, or distribute the Program
except as expressly provided under this License. Any attempt
otherwise to copy, modify, sublicense or distribute the Program is
void, and will automatically terminate your rights under this License.
However, parties who have received copies, or rights, from you under
this License will not have their licenses terminated so long as such
parties remain in full compliance.
5. You are not required to accept this License, since you have not
signed it. However, nothing else grants you permission to modify or
distribute the Program or its derivative works. These actions are
prohibited by law if you do not accept this License. Therefore, by
modifying or distributing the Program (or any work based on the
Program), you indicate your acceptance of this License to do so, and
all its terms and conditions for copying, distributing or modifying
the Program or works based on it.
6. Each time you redistribute the Program (or any work based on the
Program), the recipient automatically receives a license from the
original licensor to copy, distribute or modify the Program subject to
these terms and conditions. You may not impose any further
restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties to
this License.
7. If, as a consequence of a court judgment or allegation of patent
infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot
distribute so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all. For example, if a patent
license would not permit royalty-free redistribution of the Program by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
circumstances.
It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices. Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
the limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Program
specifies a version number of this License which applies to it and "any
later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.
10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission. For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this. Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program 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 program 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 program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

61
Makefile
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SUBDIRS = src/framework \
src/inigo \
src/valerie \
src/miracle \
src/humperdink \
src/albino \
src/modules \
profiles
all clean:
list='$(SUBDIRS)'; \
for subdir in $$list; do \
$(MAKE) -s -C $$subdir depend || exit 1; \
$(MAKE) -C $$subdir $@ || exit 1; \
done
distclean:
rm mlt-config packages.dat; \
list='$(SUBDIRS)'; \
for subdir in $$list; do \
$(MAKE) -C $$subdir $@ || exit 1; \
done; \
rm config.mak;
dist-clean: distclean
include config.mak
install:
install -d "$(DESTDIR)$(prefix)/bin"
install -d "$(DESTDIR)$(prefix)/include"
install -d "$(DESTDIR)$(libdir)"
install -d "$(DESTDIR)$(libdir)/pkgconfig"
install -d "$(DESTDIR)$(prefix)/lib/mlt/modules"
install -d "$(DESTDIR)$(prefix)/share/mlt/modules"
install -c -m 755 mlt-config "$(DESTDIR)$(bindir)"
install -c -m 644 *.pc "$(DESTDIR)$(libdir)/pkgconfig"
install -m 644 packages.dat "$(DESTDIR)$(prefix)/share/mlt/"
list='$(SUBDIRS)'; \
for subdir in $$list; do \
$(MAKE) DESTDIR=$(DESTDIR) -C $$subdir $@ || exit 1; \
done; \
# if test -z "$(DESTDIR)"; then \
# /sbin/ldconfig || true; \
# fi
uninstall:
rm -f "$(DESTDIR)$(bindir)"/mlt-config
rm -f "$(DESTDIR)$(libdir)/pkgconfig/mlt-*.pc"
list='$(SUBDIRS)'; \
for subdir in $$list; do \
$(MAKE) DESTDIR=$(DESTDIR) -C $$subdir $@ || exit 1; \
done
rm -rf "$(DESTDIR)$(prefix)/include/mlt"
rm -rf "$(DESTDIR)$(prefix)/share/mlt"
dist:
[ -d "mlt-$(version)" ] && rm -rf "mlt-$(version)" || echo
svn export . "mlt-$(version)"
svn log > "mlt-$(version)/ChangeLog"
tar -cvzf "mlt-$(version).tar.gz" "mlt-$(version)"

65
README
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MLT/Miracle README
------------------
Sponsored by Ushodaya Enterprises Limited
Written by Charles Yates <charles.yates@pandora.be>
and Dan Dennedy <dan@dennedy.org>
MLT is a LGPL multimedia framework designed for television broadcasting,
and Miracle is a GPL multi-unit video playout server with realtime
effects.
This document provides a quick reference for the minimal configuration,
build and installation of MLT. See the docs directory for usage and
development details.
Configuration
-------------
Configuration is triggered by running:
./configure
More information on usage is found by running:
./configure --help
NB: This script must be run to register new services after a CVS checkout
or subsequent update.
Compilation
-----------
Once configured, it should be sufficient to run:
make
to compile the system.
Testing
-------
To execute the mlt tools without installation, or to test a new version
on a system with an already installed mlt version, you should run:
. setenv
NB: This applies to your current shell only and it assumes a bash or
regular bourne shell is in use.
Installation
------------
The install is triggered by running:
make install
More Information
----------------
For more detailed information, please refer to docs/install.txt.

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Wed Feb 24 12:10:50 CST 2010
./configure --enable-gpl --luma-compress --disable-mmx --enable-motion-est --avformat-shared=/usr --avformat-swscale --prefix=/opt/kde3 --with-extra-libs=/opt/kde3/lib --with-extra-includes=/opt/kde3/include/kde

0
configure-stamp
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demo/README
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MLT Demo Notes
Before running the demo script, make sure you '. setenv' from the parent
directory. Also, please create clips clip1.dv, clip2.dv, clip3.dv, clip1.mpeg,
clip2.mpeg, clip3.mpeg, and music1.ogg. Please make sure clips are at least 500
frames duration.
These notes explain the the concepts presented in each demonstration and
what details to look for.
First, a note on consumers. When you start the script, the main menu asks
you to choose a consumer. A consumer is like a viewer, but it could also
write to a stream/file. The "SDL" consumer is the popular Simple DirectMedia
Layer audio and video output. The "Westley" consumer generates an XML
representation of the service network. That can be played directly due to the
westley producer plugin. See docs/westley.txt for more information. The
"MainConcept DV" consumer refers to the proprietary MLT plugin required to
use MLT with MainConcept DV, DVCPro, and MPEG codecs. "/dev/dv1394/0" refers
to a device file for transmitting DV over FireWire using the Linux dv1394 kernel
module. The "BlueFish444" consumer is another proprietary plugin to use
the BlueFish444 manufactured SDI video/audio output cards with MLT.
And now the demos...
All clips
Simply builds a playlist containing each video clip, and you can transport
between them using j and k keys.
Filter in/out
A video filter can be applied to a portion of a producer (clip, playlist,
or multitrack). This examples shows the greyscale filter.
Watermark
A graphic can overlay video in realtime with support for alpha channel.
This example uses a PNG file with an alpha channel. Distortion is explicitly
enabled here so the otherwise circular graphic is scaled to fill the
compositing region. By default, compositing honours the aspect ratio of the
overlay.
My name is...
Titles are very easy to composite in realtime. The titler uses Pango
with the FreeType2 rendering backend. This means it supports high
quality scalable font rendering with anti-aliasing, unicode (UTF-8),
and Pango markup capabilities. The compsiting here respects the aspect
ratio of the rendered title in the first two title pieces but distorts
the final one. This demo also shows the motion and scaling capabilities
of the compositor in conjunction with honouring aspect. The compositor
is doing field-based rendering. So, when displayed non-progressively
with SDL, you can see motion artifacts during animation.
A composite transition
The compositor also handles video over video as demonstrated in this
usage of the compositor to create a special transition. This demonstration
also crossfades the audio during the transition! Progressive rendering
is explicitly enabled on the compositor due to the poor results that
would otherwise occur due to scaling an interleaved video frame and moving
the video in a reverse direction horizontally.
Fade in and out
A simple series of transitions betwen 3 clips using dissolves and audio
crossfades. This is easy :-).
Clock in and out
Wipe transitions are very easy and highly extensible as they are generated
using a very convenient lookup table based upon the luma of an image.
This image can be a 16 bit PGM (grayscale bitmap) or the luma channel of
any video producer. A number of high quality wipes can be downloaded from
http://mlt.sf.net/. It also performs field rendering.
The second wipe demonstrates the ability to control the direction of the
wipe as well.
Obscure
A popular requirement in news production is to obscure a face, obscenity,
or trademarked logo. This demonstrates using a simple rectangular
obscure filter applied to a region of the image. The second example is more
advanced and shows using the "region" filter to select the image area and a
property of the region filter to "shape" the region using the alpha channel
of another image (circle.png) and another property to "filter" the region
using the obscure filter.
Audio Stuff
A music bed sound track can be mixed with a video. The sound track of the
video clip has a "floating" amplitude normalisation filter applied.
Typically, audio normalisation applies a constant gain factor across the
entire duration of an audio segment from a single source where the
gain factor is automatically determined by anaylsing the maximum "power"
or peak levels. However, in news production, a popular requirement is to
to dynamically boost the amplitude in soft areas and reduce the amplitude
in louder areas. Thus, the gain analysis is performed using a "sliding
window" approach. This example also applies a constant gain factor of
0.5 (50%) to the normalised audio of the video clip (to get a nicer
mix level).
Audio and Video Levels
Audio can be normalised by setting a target amplitude level in decibels.
A gamma curve can be applied to the luma channel of video.
Shadowed Title and Watermark
Two instances of the titler are used to create a shadow effect.
The aspect ratio of the watermark in this example is not distorted. Since
the original image is a circle with square pixels--a computer-generated
image--and ITU BT.601 video is not composed of square samples. Therefore,
the compositor normalises the pixel aspect ratio of the overlay to the
destination image, and the circular image remains circular on the analog
video output. Finally, a greyscale filter is applied to the watermark
while its opacity is set at 30%.
Station Promo into Story?
Here is fun demo that might show using a still graphic with some music
to introduce a show. A luma wipe with an audio crossfade transitions from
the show title or station promotional material.
Voiceover 2 clips with title
A common news production requirement to have a "voiceover" audio track
to a clip or even multiple clips as demonstrated here. Likewise, it is
common to place a title caption on the video at the same time! This
demo has a little fun with the titler at the sake of practicality :-)
The foreground of the title is transparent while the opacity of the
background is reduced to blend with the video. Meanwhile, the compositor
stretches the image to fill the bottom slice of the video--not suitable
for overscan displays ;-)
Also, pay close attention to the mixing levels of the audio tracks.
The audio of the video fades out as the voiceover track (just music
in this demo) fades in. Then, the voiceover remains mixed with the
ambient audio at a 60% level. Finally, the voiceover fades out smoothly
from the 60% level to nothing.
GJ-TTAvantika title
This demo requires a special TrueType font called Avantika. If you have the
font, register it with fontconfig using the fc-cache utility. This
demonstrates i18n capabilities of the titler and the alignment capabilities
of both the titler and the compositor. The titler centre aligns
the two lines of text, and the compositor centre aligns the title
horizontally on the frame.
Title over graphic
You can superimpose a title over a graphic over video! Also,
you can apply a luma wipe to the compositor!
Slideshow
This demo requires any number of JPEG images with the extension ".jpg"
in a subdirectory named "Scotland."
Bouncy, Bouncy
The "watermark" filter encapsulates the compositor, and you have full
control over the compositor properties. Who says a watermark can not
also be a video?!
Bouncy, Bouncy Ball
A variation on the above Bouncy, Bouncy demo that applies a shape, or
alpha producer, to the the compositing region.
Breaking News
This demonstrates layout capabilities of the compositor.
Squeeze Transitions
This demonstrates a distorting barndoor-like wipe.
J Cut
A J cut is an edit where the audio cuts before the video.
It gets its name from the way it looks on a NLE timeline user interface.
When the audio cuts over, it does an audio crossfade over the duration of
one frame. This makes the audio cut slightly less abrupt and avoids any
"click" due to mismatched sample levels at the edit point. The video edit
is a hard cut.
L Cut
An L cut is an edit where the video cuts before the audio.
It gets its name from the way it looks on a NLE timeline user interface.
This demo shows a very quick dissolve over 5 frames for a soft video cut.
Like the J Cut demo, an audio crossfade for the duration of one frame makes
an audio edit nearly instantaneous while being slightly softened and
avoiding aberrations.
Fade from/to black/silence
Of course, it is possible using MLT to fade from black on video and silence
on audio as well fade to black and silence.
Push wipe
A push wipe is a somewhat fancier transition than most standard wipes
because it involves motion. The new video clip "pushes" the old video
clip off one edge. If you can preview on an analog monitor you will notice
how smooth the motion is due to field-based rendering.
Ticker tape
A very minimal reverse crawling title neard the bottom of the screen.
The goal of the demo is show fluid motion of the field-based rendering of
the compositor when viewed on an analog monitor using a DV or BlueFish444
consumer. The demo also shows the potientional for using and extending the
existing set of services for a full blown news ticker implementation.

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<svg width='300' height='300'><circle cx='150' cy='150' r='150' fill='white'/></svg>
Side by Side

After

Width:  |  Height:  |  Size: 85 B

12
demo/consumers.ini
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SDL Default sdl
SDL Half D1 sdl:360x288 rescale=nearest resize=1
SDL High Latency sdl buffer=12 rescale=none
SDL Progressive sdl progressive=1
Westley to Terminal westley
Westley to File westley:
MainConcept DV to /dev/dv1394/0 mcdv:/dev/dv1394/0 rescale=nearest buffer=25
libdv to /dev/dv1394/0 libdv:/dev/dv1394/0 rescale=nearest buffer=25
BlueFish444 PAL bluefish:1
BlueFish444 NTSC bluefish:1 standard=NTSC
BlueFish444 PAL Prog LL bluefish:1 progressive=1 buffer=1 frames=4
BlueFish444 NTSC Prog LL bluefish:1 standard=NTSC progressive=1 buffer=1 frames=4

106
demo/demo
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#!/bin/bash
function show_consumers( )
{
awk -F '\t' '{ printf( "%d. %s\n", ++ i, $1 ); }' < consumers.ini
}
function get_consumer( )
{
option=$1
[ "$option" != "" ] && [ $option -gt 0 ] && sed 's/\t\+/\t/g' < consumers.ini | cut -f 2 | head -n $option | tail -n -1
}
function show_menu( )
{
sed 's/\t\+/\t/g' < demo.ini |
awk -F '\t' '{ printf( "%2d. %-30.30s", ++ i, $2 ); if ( i % 2 == 0 ) printf( "\n" ); } END { if ( i % 2 == 1 ) printf( "\n" ); }'
}
function check_dependencies( )
{
option=$1
if [ $option -gt 0 ]
then
deps=`sed 's/\t\+/\t/g' < demo.ini | cut -f 3 | head -n $option | tail -n -1`
if [ "$deps" != "" ]
then
echo "$deps" |
tr ',' '\n' |
while read dep
do
ls $dep > /dev/null 2>&1
val=$?
[ $val != 0 ] && echo Failed to find $dep >&2 && echo $val
done
fi
echo 0
fi
}
function get_demo( )
{
option=$1
if [ $option -gt 0 ]
then
cut -f 1 demo.ini | head -n $option | tail -n -1
fi
}
while [ 1 ]
do
echo Select Consumer
echo
show_consumers
echo
echo 0. Exit
echo
echo -n "Option: "
read option
echo
[ "$option" == "0" ] && break
export MLT_CONSUMER=`get_consumer $option`
while [ "$option" != "0" -a "$MLT_CONSUMER" != "" ]
do
echo Choose Demo
echo
show_menu
echo
echo -n "Option: "
read option
echo
[ "$option" == "" ] && break
demo=`get_demo $option`
usable=`check_dependencies $option`
if [ "$usable" = "0" -a "$demo" != "" ]
then
if [ "$MLT_CONSUMER" == "westley:" ]
then export WESTLEY_CONSUMER="westley:$demo.westley"
bash $demo -consumer $WESTLEY_CONSUMER
inigo +$demo.txt out=100 $demo.westley $demo.westley -filter watermark:watermark1.png composite.fill=1 composite.geometry=85%,5%:10%x10%
elif [ "$MLT_CONSUMER" == "westley" ]
then bash $demo -consumer $MLT_CONSUMER | less
else bash $demo -consumer $MLT_CONSUMER
fi
elif [ "$usable" != "" ]
then
echo
echo Unable to locate suitable files for the demo - please provide them.
read pause
fi
stty sane
done
done

28
demo/demo.ini
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mlt_all All clips clip*
mlt_effect_in_middle Filter in/out clip1.mpeg
mlt_watermark Watermark clip2.dv,watermark1.png
mlt_my_name_is My name is... clip3.dv
mlt_composite_transition A composite transition clip1.dv,clip2.mpeg
mlt_fade_in_and_out Fade in and out clip1.dv,clip2.mpeg,clip3.dv
mlt_clock_in_and_out Clock in and out clip2.dv,clip1.dv,clip3.mpeg
mlt_obscure Obscure clip2.mpeg,circle.png
mlt_audio_stuff Audio Stuff clip*.dv,music1.ogg
mlt_levels Audio and Video Levels clip*.dv
mlt_titleshadow_watermark Shadowed Title and Watermark clip3.dv
mlt_intro Station Promo into Story? watermark1.png,clip3.mpeg,music1.ogg
mlt_voiceover Voiceover 2 clips with title clip1.dv,clip2.mpeg,music1.ogg
mlt_avantika_title GJ-TTAvantika title pango.westley
mlt_title_over_gfx Title over graphic watermark1.png,clip1.dv
mlt_slideshow Slideshow Scotland
mlt_bouncy Bouncy, Bouncy clip1.dv,clip3.dv
mlt_bouncy_ball Bouncy, Bouncy Ball clip1.mpeg,clip3.mpeg,circle.png
mlt_news Breaking News clip1.dv,clip2.dv
mlt_squeeze Squeeze Transitions clip1.dv,clip2.dv,clip3.dv
mlt_squeeze_box Squeeze Box clip1.dv,clip2.dv,clip3.dv
mlt_jcut J Cut clip1.dv,clip2.dv
mlt_lcut L Cut clip1.dv,clip2.dv
mlt_fade_black Fade from/to black/silence clip3.mpeg
mlt_push Push wipe clip1.mpeg, clip2.mpeg
mlt_ticker Ticker tape clip1.dv
mlt_attributes Attributes clip1.dv
mlt_slideshow_black Composite slideshow Scotland

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demo/demo.kino
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<?xml version="1.0"?>
<smil xmlns:smil2="http://www.w3.org/2001/SMIL20/Language">
<seq title="MLT" copyright="2004" abstract="foo man choo">
<video src="clip2.dv" clipBegin="171" clipEnd="450"/>
</seq>
<seq title="Demo">
<video src="clip2.dv" clipBegin="0" clipEnd="170"/>
</seq>
<seq>
<video src="clip1.dv" clipBegin="0" clipEnd="159"/>
<video src="clip3.dv" clipBegin="0" clipEnd="106"/>
</seq>
</smil>

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demo/entity.westley
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<?xml version="1.0"?>
<!DOCTYPE westley SYSTEM "../src/modules/westley/westley.dtd" [
<!ENTITY name "Westley">
]>
<westley>
<producer id="producer0">
<property name="mlt_service">pango</property>
<property name="text">Hello &name;,
My name is Inigo Montoya.</property>
</producer>
</westley>

BIN
demo/luma1.pgm
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demo/mlt_all
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inigo \
clip* \
$*

7
demo/mlt_attributes
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inigo clip1.dv \
meta.attr.location=1 meta.attr.location.markup="Location" \
meta.attr.exclusive=1 meta.attr.exclusive.markup="Exclusive" \
meta.attr.special=1 meta.attr.special.markup="Special" \
meta.attr.super=1 meta.attr.super.0="Line 1" meta.attr.super.1="Line 2" \
-filter data_show \
$*

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demo/mlt_audio_stuff
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inigo \
clip*.dv \
-track music1.ogg \
-filter volume:0.5 normalise= track=0 \
-transition mix out=9999 a_track=0 b_track=1 \
$*

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demo/mlt_avantika_title
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inigo \
pango.westley \
$*

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demo/mlt_bouncy
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inigo \
clip3.dv \
-filter \
watermark:clip1.dv \
composite.start=10%,10%:20%x20% \
composite.key[33]=30%,70%:25%x25% \
composite.key[66]=70%,30%:15%x15% \
composite.end=70%,70%:20%x20% \
composite.out=100 \
$*

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demo/mlt_bouncy_ball
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inigo \
clip3.dv \
-track \
clip1.dv \
-transition \
region:circle \
composite.geometry="10%,10%:20%x20%;33=30%,70%:25%x25%;66=70%,30%:15%x15%;-1=70%,70%:20%x20%" \
composite.out=100 \
composite.softness=0.1 \
a_track=0 \
b_track=1 \
in=0 \
out=5000 \
$*

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demo/mlt_clock_in_and_out
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inigo \
clip2.dv in=100 out=174 -blank 99 clip3.dv in=100 \
-track \
-blank 49 clip3.mpeg in=100 out=249 \
-transition luma:luma1.pgm softness=0.5 in=50 out=74 a_track=0 b_track=1 \
-transition luma:luma1.pgm softness=0.2 in=175 out=199 a_track=0 b_track=1 reverse=1 \
$*

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demo/mlt_composite_transition
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inigo \
clip1.dv out=74 \
-track \
-blank 49 clip2.mpeg \
-transition composite:57%,10%:33%x33% end=0%,0%:100%x100% progressive=1 distort=true in=50 out=74 a_track=0 b_track=1 \
-transition mix:-1 in=50 out=74 a_track=0 b_track=1 \
$*

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demo/mlt_effect_in_middle
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inigo \
clip1.mpeg in=100 out=500 \
-filter greyscale in=100 out=199 \
$*

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demo/mlt_fade_black
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inigo \
colour:black out=199 \
-track \
clip3.mpeg in=100 out=299 \
-transition luma in=0 out=49 a_track=0 b_track=1 \
-transition luma in=150 out=199 a_track=0 b_track=1 reverse=1 \
-filter volume in=0 out=49 track=1 gain=0 end=1.0 \
-filter volume in=150 out=199 track=1 gain=1.0 end=0 \
$*

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demo/mlt_fade_in_and_out
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inigo \
clip1.dv out=74 -blank 99 clip3.dv in=25 \
-track \
-blank 49 clip2.mpeg out=149 \
-transition luma in=50 out=74 a_track=0 b_track=1 \
-transition luma in=175 out=199 a_track=0 b_track=1 reverse=1 \
-transition mix:-1 in=50 out=74 a_track=0 b_track=1 \
-transition mix:-1 in=175 out=199 a_track=0 b_track=1 reverse=1 \
$*

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demo/mlt_intro
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inigo \
music1.ogg in=100 out=224 \
-track \
watermark1.png out=124 \
clip3.mpeg \
-mix 25 \
-mixer luma resource=luma1.pgm softness=0.2 \
-transition mix:-1 in=100 out=124 \
$*

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demo/mlt_jcut
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inigo \
-blank 49 \
clip2.dv in=100 \
-track \
clip1.dv out=99 \
-transition \
mix start=0 end=1 in=49 out=50 a_track=1 b_track=0 \
-transition \
mix:1 in=51 out=99 a_track=1 b_track=0 \
$*

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demo/mlt_lcut
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inigo \
clip1.dv out=100 \
-track \
-blank 49 \
clip2.dv in=100 \
-transition \
luma in=50 out=55 a_track=0 b_track=1 \
-transition \
mix:1 in=50 out=98 a_track=1 b_track=0 \
-transition \
mix start=1 end=0 in=99 out=100 a_track=1 b_track=0 \
$*

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demo/mlt_levels
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inigo \
*.dv \
-filter gamma:1.5 \
-filter volume normalise=-20db \
$*

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demo/mlt_my_name_is
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inigo \
clip3.dv \