From a435de089da4dd37c3c183f633a49107c720dd95 Mon Sep 17 00:00:00 2001 From: Dalyn Cessac Date: Wed, 16 Mar 2011 11:06:40 -0500 Subject: Added phpvideotoolkit transcoder and updates to the preset ui --- .../ffmpeg-php/gifencoder/GIFEncoder.class.php | 267 +++++++++++++++++++++ 1 file changed, 267 insertions(+) create mode 100644 libraries/phpvideotoolkit/adapters/ffmpeg-php/gifencoder/GIFEncoder.class.php (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/gifencoder/GIFEncoder.class.php') diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/gifencoder/GIFEncoder.class.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/gifencoder/GIFEncoder.class.php new file mode 100644 index 0000000..0c38b02 --- /dev/null +++ b/libraries/phpvideotoolkit/adapters/ffmpeg-php/gifencoder/GIFEncoder.class.php @@ -0,0 +1,267 @@ +"Does not supported function for only one image!", + ERR01=>"Source is not a GIF image!", + ERR02=>"Unintelligible flag ", + ERR03=>"Does not make animation from animated GIF source", + ); + + /* + ::::::::::::::::::::::::::::::::::::::::::::::::::: + :: + :: GIFEncoder... + :: + */ + function GIFEncoder ( + $GIF_src, $GIF_dly, $GIF_lop, $GIF_dis, + $GIF_red, $GIF_grn, $GIF_blu, $GIF_ofs, + $GIF_mod + ) { + if ( ! is_array ( $GIF_src ) && ! is_array ( $GIF_dly ) ) { + printf ( "%s: %s", $this->VER, $this->ERR [ 'ERR00' ] ); + exit ( 0 ); + } + if ( is_array ( $GIF_ofs ) && count ( $GIF_ofs ) > 1 ) { + $this->SIG = 1; + $this->OFS = $GIF_ofs; + } + $this->LOP = ( $GIF_lop > -1 ) ? $GIF_lop : 0; + $this->DIS = ( $GIF_dis > -1 ) ? ( ( $GIF_dis < 3 ) ? $GIF_dis : 3 ) : 2; + $this->COL = ( $GIF_red > -1 && $GIF_grn > -1 && $GIF_blu > -1 ) ? + ( $GIF_red | ( $GIF_grn << 8 ) | ( $GIF_blu << 16 ) ) : -1; + + for ( $i = 0; $i < count ( $GIF_src ); $i++ ) { + if ( strToLower ( $GIF_mod ) == "url" ) { + $this->BUF [ ] = fread ( fopen ( $GIF_src [ $i ], "rb" ), filesize ( $GIF_src [ $i ] ) ); + } + else if ( strToLower ( $GIF_mod ) == "bin" ) { + $this->BUF [ ] = $GIF_src [ $i ]; + } + else { + printf ( "%s: %s ( %s )!", $this->VER, $this->ERR [ 'ERR02' ], $GIF_mod ); + exit ( 0 ); + } + if ( substr ( $this->BUF [ $i ], 0, 6 ) != "GIF87a" && substr ( $this->BUF [ $i ], 0, 6 ) != "GIF89a" ) { + printf ( "%s: %d %s", $this->VER, $i, $this->ERR [ 'ERR01' ] ); + exit ( 0 ); + } + for ( $j = ( 13 + 3 * ( 2 << ( ord ( $this->BUF [ $i ] { 10 } ) & 0x07 ) ) ), $k = TRUE; $k; $j++ ) { + switch ( $this->BUF [ $i ] { $j } ) { + case "!": + if ( ( substr ( $this->BUF [ $i ], ( $j + 3 ), 8 ) ) == "NETSCAPE" ) { + printf ( "%s: %s ( %s source )!", $this->VER, $this->ERR [ 'ERR03' ], ( $i + 1 ) ); + exit ( 0 ); + } + break; + case ";": + $k = FALSE; + break; + } + } + } + GIFEncoder::GIFAddHeader ( ); + for ( $i = 0; $i < count ( $this->BUF ); $i++ ) { + GIFEncoder::GIFAddFrames ( $i, $GIF_dly [ $i ] ); + } + GIFEncoder::GIFAddFooter ( ); + } + /* + ::::::::::::::::::::::::::::::::::::::::::::::::::: + :: + :: GIFAddHeader... + :: + */ + function GIFAddHeader ( ) { + $cmap = 0; + + if ( ord ( $this->BUF [ 0 ] { 10 } ) & 0x80 ) { + $cmap = 3 * ( 2 << ( ord ( $this->BUF [ 0 ] { 10 } ) & 0x07 ) ); + + $this->GIF .= substr ( $this->BUF [ 0 ], 6, 7 ); + $this->GIF .= substr ( $this->BUF [ 0 ], 13, $cmap ); + $this->GIF .= "!\377\13NETSCAPE2.0\3\1" . GIFEncoder::GIFWord ( $this->LOP ) . "\0"; + } + } + /* + ::::::::::::::::::::::::::::::::::::::::::::::::::: + :: + :: GIFAddFrames... + :: + */ + function GIFAddFrames ( $i, $d ) { + + $Locals_str = 13 + 3 * ( 2 << ( ord ( $this->BUF [ $i ] { 10 } ) & 0x07 ) ); + + $Locals_end = strlen ( $this->BUF [ $i ] ) - $Locals_str - 1; + $Locals_tmp = substr ( $this->BUF [ $i ], $Locals_str, $Locals_end ); + + $Global_len = 2 << ( ord ( $this->BUF [ 0 ] { 10 } ) & 0x07 ); + $Locals_len = 2 << ( ord ( $this->BUF [ $i ] { 10 } ) & 0x07 ); + + $Global_rgb = substr ( $this->BUF [ 0 ], 13, + 3 * ( 2 << ( ord ( $this->BUF [ 0 ] { 10 } ) & 0x07 ) ) ); + $Locals_rgb = substr ( $this->BUF [ $i ], 13, + 3 * ( 2 << ( ord ( $this->BUF [ $i ] { 10 } ) & 0x07 ) ) ); + + $Locals_ext = "!\xF9\x04" . chr ( ( $this->DIS << 2 ) + 0 ) . + chr ( ( $d >> 0 ) & 0xFF ) . chr ( ( $d >> 8 ) & 0xFF ) . "\x0\x0"; + + if ( $this->COL > -1 && ord ( $this->BUF [ $i ] { 10 } ) & 0x80 ) { + for ( $j = 0; $j < ( 2 << ( ord ( $this->BUF [ $i ] { 10 } ) & 0x07 ) ); $j++ ) { + if ( + ord ( $Locals_rgb { 3 * $j + 0 } ) == ( ( $this->COL >> 16 ) & 0xFF ) && + ord ( $Locals_rgb { 3 * $j + 1 } ) == ( ( $this->COL >> 8 ) & 0xFF ) && + ord ( $Locals_rgb { 3 * $j + 2 } ) == ( ( $this->COL >> 0 ) & 0xFF ) + ) { + $Locals_ext = "!\xF9\x04" . chr ( ( $this->DIS << 2 ) + 1 ) . + chr ( ( $d >> 0 ) & 0xFF ) . chr ( ( $d >> 8 ) & 0xFF ) . chr ( $j ) . "\x0"; + break; + } + } + } + switch ( $Locals_tmp { 0 } ) { + case "!": + $Locals_img = substr ( $Locals_tmp, 8, 10 ); + $Locals_tmp = substr ( $Locals_tmp, 18, strlen ( $Locals_tmp ) - 18 ); + break; + case ",": + $Locals_img = substr ( $Locals_tmp, 0, 10 ); + $Locals_tmp = substr ( $Locals_tmp, 10, strlen ( $Locals_tmp ) - 10 ); + break; + } + if ( ord ( $this->BUF [ $i ] { 10 } ) & 0x80 && $this->IMG > -1 ) { + if ( $Global_len == $Locals_len ) { + if ( GIFEncoder::GIFBlockCompare ( $Global_rgb, $Locals_rgb, $Global_len ) ) { + $this->GIF .= ( $Locals_ext . $Locals_img . $Locals_tmp ); + } + else { + /* + * + * XY Padding... + * + */ + if ( $this->SIG == 1 ) { + $Locals_img { 1 } = chr ( $this->OFS [ $i ] [ 0 ] & 0xFF ); + $Locals_img { 2 } = chr ( ( $$this->OFS [ $i ] [ 0 ] & 0xFF00 ) >> 8 ); + $Locals_img { 3 } = chr ( $this->OFS [ $i ] [ 1 ] & 0xFF ); + $Locals_img { 4 } = chr ( ( $this->OFS [ $i ] [ 1 ] & 0xFF00 ) >> 8 ); + } + $byte = ord ( $Locals_img { 9 } ); + $byte |= 0x80; + $byte &= 0xF8; + $byte |= ( ord ( $this->BUF [ 0 ] { 10 } ) & 0x07 ); + $Locals_img { 9 } = chr ( $byte ); + $this->GIF .= ( $Locals_ext . $Locals_img . $Locals_rgb . $Locals_tmp ); + } + } + else { + /* + * + * XY Padding... + * + */ + if ( $this->SIG == 1 ) { + $Locals_img { 1 } = chr ( $this->OFS [ $i ] [ 0 ] & 0xFF ); + $Locals_img { 2 } = chr ( ( $$this->OFS [ $i ] [ 0 ] & 0xFF00 ) >> 8 ); + $Locals_img { 3 } = chr ( $this->OFS [ $i ] [ 1 ] & 0xFF ); + $Locals_img { 4 } = chr ( ( $this->OFS [ $i ] [ 1 ] & 0xFF00 ) >> 8 ); + } + $byte = ord ( $Locals_img { 9 } ); + $byte |= 0x80; + $byte &= 0xF8; + $byte |= ( ord ( $this->BUF [ $i ] { 10 } ) & 0x07 ); + $Locals_img { 9 } = chr ( $byte ); + $this->GIF .= ( $Locals_ext . $Locals_img . $Locals_rgb . $Locals_tmp ); + } + } + else { + $this->GIF .= ( $Locals_ext . $Locals_img . $Locals_tmp ); + } + $this->IMG = 1; + } + /* + ::::::::::::::::::::::::::::::::::::::::::::::::::: + :: + :: GIFAddFooter... + :: + */ + function GIFAddFooter ( ) { + $this->GIF .= ";"; + } + /* + ::::::::::::::::::::::::::::::::::::::::::::::::::: + :: + :: GIFBlockCompare... + :: + */ + function GIFBlockCompare ( $GlobalBlock, $LocalBlock, $Len ) { + + for ( $i = 0; $i < $Len; $i++ ) { + if ( + $GlobalBlock { 3 * $i + 0 } != $LocalBlock { 3 * $i + 0 } || + $GlobalBlock { 3 * $i + 1 } != $LocalBlock { 3 * $i + 1 } || + $GlobalBlock { 3 * $i + 2 } != $LocalBlock { 3 * $i + 2 } + ) { + return ( 0 ); + } + } + + return ( 1 ); + } + /* + ::::::::::::::::::::::::::::::::::::::::::::::::::: + :: + :: GIFWord... + :: + */ + function GIFWord ( $int ) { + + return ( chr ( $int & 0xFF ) . chr ( ( $int >> 8 ) & 0xFF ) ); + } + /* + ::::::::::::::::::::::::::::::::::::::::::::::::::: + :: + :: GetAnimation... + :: + */ + function GetAnimation ( ) { + return ( $this->GIF ); + } +} -- cgit v1.2.3