function build()
{
$writer_head = new IO_Bit();
$writer = new IO_Bit();
/* SWF Header */
$writer_head->putData($this->_headers['Signature']);
$writer_head->putUI8($this->_headers['Version']);
$writer_head->putUI32LE($this->_headers['FileLength']);
/* SWF Movie Header */
IO_SWF_Type_RECT::build($writer, $this->_headers['FrameSize']);
$writer->byteAlign();
$writer->putUI16LE($this->_headers['FrameRate']);
$writer->putUI16LE($this->_headers['FrameCount']);
/* SWF Tags */
foreach ($this->_tags as $idx => $tag) {
$tagData = $tag->build();
if ($tagData != false) {
$writer->putData($tagData);
} else {
throw new IO_SWF_Exception("tag build failed (tag idx={$idx})");
}
}
list($fileLength, $bit_offset_dummy) = $writer->getOffset();
$fileLength += 8;
// swf header
$this->_headers['FileLength'] = $fileLength;
$writer_head->setUI32LE($fileLength, 4);
if ($this->_headers['Signature'][0] == 'C') {
return $writer_head->output() . gzcompress($writer->output());
}
return $writer_head->output() . $writer->output();
}
function build()
{
$writer = new IO_Bit();
$writer->putData('RIFF');
$writer->putUI32LE(0);
//
$writer->putData('sfbk');
$this->buildChunkLIST($writer, 'INFO', $this->sfbk['INFO']);
$this->buildChunkLIST($writer, 'sdta', $this->sfbk['sdta']);
$this->buildChunkLIST($writer, 'pdta', $this->sfbk['pdta']);
}
function buildContent($tagCode, $opts = array())
{
$writer = new IO_Bit();
$writer->putUI16LE($this->SoundId);
// ----
$writer->putUIBits($this->SoundFormat, 4);
$writer->putUIBits($this->SoundRate, 2);
$writer->putUIBit($this->SoundSize);
// ---
$writer->putUI32LE($this->SoundSampleCount);
$writer->putData($this->SoundData);
return $writer->output();
}
function buildContent($tagCode, $opts = array())
{
$writer = new IO_Bit();
if ($tagCode != 8) {
// ! JPEGTablesa
$writer->putUI16LE($this->_CharacterID);
}
if ($tagCode == 35) {
// DefgineBitsJPEG3
$this->_AlphaDataOffset = strlen($this->_JPEGData);
$writer->putUI32LE($this->_AlphaDataOffset);
}
if ($tagCode != 35) {
// ! DefgineBitsJPEG3
$writer->putData($this->_JPEGData);
} else {
$writer->putData($this->_JPEGData);
$writer->putData($this->_ZlibBitmapAlphaData);
}
return $writer->output();
}
function build($opts = array())
{
$code = $this->code;
if (is_null($this->content)) {
$this->content = $this->buildTagContent();
}
$length = strlen($this->content);
$writer = new IO_Bit();
switch ($code) {
case 6:
// DefineBitsJPEG
// DefineBitsJPEG
case 21:
// DefineBitsJPEG2
// DefineBitsJPEG2
case 35:
// DefineBitsJPEG3
// DefineBitsJPEG3
case 20:
// DefineBitsLossless
// DefineBitsLossless
case 36:
// DefineBitsLossless2
// DefineBitsLossless2
case 19:
// SoundStreamBlock
$longFormat = true;
break;
default:
$longFormat = false;
break;
}
if ($longFormat === false && $length < 0x3f) {
$tagAndLength = $code << 6 | $length;
$writer->putUI16LE($tagAndLength);
} else {
$tagAndLength = $code << 6 | 0x3f;
$writer->putUI16LE($tagAndLength);
$writer->putUI32LE($length);
}
return $writer->output() . $this->content;
}
