<?
/********************************************************************************
* @ File: videocontrols.php
* @ Original date: October 2004 @ www16.brinkster.com/gazb/ming/
* @ Version: 1.2
* @ Summary: making a flv using ffmpeg and php gd and controlling video playback using actionscript
* @ Updated:  small improvements and summary text
* @ Copyright (c) 2003-2007, www.gazbming.com - all rights reserved.
* @ Author: gazb.ming [[@]] gmail.com - www.gazbming.com 
* @ Released under GNU Lesser General Public License - http://www.gnu.org/licenses/lgpl.html
********************************************************************************/

$flvpath="path/towhere/tostore/100pngs/andaflv";
///////////// make  counter video ///////////////////////
// make png sequence with GD
/*
for($i=0;$i<100;$i++){  
$im = @imagecreatetruecolor (40, 40);
$bg = imagecolorallocate($im, 255, 0, 0);
imagefilledrectangle($im, 0, 0, 40, 40, $bg);
$text_color = imagecolorallocate ($im,250,250,250);
if($i<10){$str="0$i";}else{$str="$i";}
imagestring ($im, 5, 12, 10,  $str, $text_color);
imagepng ($im,"$flvpath/counter$i.png");
imagedestroy ($im);
}
// make flv from png sequence using ffmpeg
exec ("ffmpeg -i $flvpath/counter%d.png -r 31 $flvpath/counter.flv");
//*/

/////////////////////make movie/////////////////////

// some typical movie variables
Ming_setScale(20.0000000);
$movie=new SWFMovie(6);
$movie->setDimension(550,400);
$movie->setBackground(rand(0,0xFF),rand(0,0xFF),rand(0,0xFF));
$movie->setRate(31);


function buttonSprite($string){
  $font="ArialBlack.fdb";
  $f = new SWFFont($font);
  $t = new SWFText();
  $t->setFont($f);
  $t->setColor(0xff, 0x33, 0x33);
  $t->setHeight(20);
  $t->setSpacing(1.0);
  $t->addString($string);
  $sp = new SWFSprite(); 
  $i = $sp->add($t);
  $sp->nextframe(); 
  return $sp;
}
// make video controls
// =& rather than just = to use reference rather than copy... better? 
$stop=&buttonSprite("stop");
$f1=$movie->add($stop);
$f1->setname("mcstop");
$f1->moveto(140,220);

$play=&buttonSprite("play");
$f1=$movie->add($play);
$f1->setname("mcplay");
$f1->moveto(200,220);

// prevframe is exported for actionscript
$prevframe=&buttonSprite("prevframe");
$movie->addExport($prevframe, 'mcprevframe');
$movie->writeExports();

// actionscript to control playback using video control buttons
// this code is on root in this movie but when this movie
// is imported using SWFPrebuiltClip it will be inside a 
// clip and not on root so we need to use relative references 
// to clips not _root.mcstop...
$strAction="
mcstop.onPress=function(){ stop(); };
mcplay.onPress=function(){ play(); };
";
$movie->add(new SWFAction($strAction));

// add flv to movie
$flv=fopen("$flvpath/counter.flv", "rb");
$stream = new SWFVideoStream($flv);
$m1=$movie->add($stream);
$m1->moveto(240,150);

for($i = 0; $i < $stream->getNumFrames(); $i++) {
$movie->nextFrame();
}
echo $i;

// save swf with same name as filename
$swfname = basename(__FILE__,".php");
$movie->save("$swfname.swf",9);
?>