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content: six real code exhibits, rendered by the panel (AUD-152)

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Sam Rolfe
2026-10-28 16:00:06 +11:00
parent 2ceb0c147c
commit 36d8e514d4
11 changed files with 296 additions and 25 deletions
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54
content/assets/code/03-php-encode-op.php Normal file
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// Excerpt from php/setMediaEncoder.php (3,402 lines) in the WebsiteBuilder
// source: the create_gif encode operation, lines 614-665, reproduced verbatim.
if($output_options->encode_media=="create_gif") {
$output_gif= ".." . $settings->directory . $output_file .$output_options->format .".gif";
$docmime= checkFinfo($input_file);
$doctype=explode("/",$docmime)[0];
if ($doctype!="video"){
$output_options->error_message= "We only create gifs from a video - it must be the first video in the media list.";
$returnFiles = returnFiles ( $output_options, $output_file .$output_options->format . '.mp4', "video/mp4", '', null );
return $returnFiles;
}
$cmd = "ffmpeg -i ".$input_file." -y -vf fps=".$settings->settings->movie_frame_rate.",scale=".$settings->settings->video_width.":".$settings->settings->video_height.",palettegen palette.png 2>&1";
// $cmd = "ffmpeg -i ".$input_file." -y -vf fps=10,scale=".$settings->settings->video_width.":".$settings->settings->video_height.",palettegen palette.png 2>&1";
$result=shell_exec($cmd);
$first_media=json_decode($settings->add_media)[0];
// $cmd = "ffmpeg -ss ".$first_media->add_media_start." -t ".$first_media->add_media_duration." -i ".$input_file." -i palette.png -y -filter_complex \"fps=10[x];[x][1:v]paletteuse\" ".$output_gif." ";
$cmd = "ffmpeg -ss ".$first_media->add_media_start." -t ".$first_media->add_media_duration." -i ".$input_file." -i palette.png -y -filter_complex \"fps=".$settings->settings->movie_frame_rate.",scale=".$settings->settings->video_width.":".$settings->settings->video_height.":flags=lanczos[x];[x][1:v]paletteuse\" ".$output_gif." ";
ffmpegMsg("ffmpeg","Creating Gif ", 0,$cmd);
// $cmd_2='mogrify -delay '.$_POST['compress_gif_delay'].' -alpha remove '.$matte.' -depth '.$_POST['compress_gif_depth'].' '.$deconstruct.' '.$dither.' -colors '.$_POST['compress_gif_colors'].' -fuzz '.$_POST['compress_gif_fuzz'].'% '.$loop.' '.$optimize.' '.$path.' 2>&1';
$_POST['loop_gif']="true";
$_POST['compress_gif_matte']="false";
$_POST['compress_gif_deconstruct']="false";
$_POST['compress_gif_dither']="true";
$_POST['compress_gif_optimize']="true";
$loop=($_POST['loop_gif']=="false")?"-loop 1":"";
$matte=($_POST['compress_gif_matte']=="true")?"-matte":"";
$deconstruct=($_POST['compress_gif_deconstruct']=="true")?"-deconstruct":"";
$dither=($_POST['compress_gif_dither']=="true")?"-dither none ":"";
$optimize=($_POST['compress_gif_optimize']=="true")?"-layers optimize ":"";
// $optimize=($_POST['compress_gif_optimize']=="true")?" -coalesce -layers RemoveDups ":"";
$_POST['compress_gif_depth']=16;
$_POST['compress_gif_delay']=0;
$_POST['compress_gif_fuzz']="4";
$_POST['compress_gif_colors']="16";
$cmd_2='mogrify -delay '.$_POST['compress_gif_delay'].' -alpha remove '.$matte.' -depth '.$_POST['compress_gif_depth'].' '.$deconstruct.' '.$dither.' -colors '.$_POST['compress_gif_colors'].' -fuzz '.$_POST['compress_gif_fuzz'].'% '.$loop.' '.$optimize.' '.$output_gif.' 2>&1';
$result=shell_exec($cmd_2);
$output_options->edited_url= $output_options->options->directory.$output_file .$output_options->format . '.gif';
$output_options->edited_name= $output_file .$output_options->format . '.gif';
$output_options->edited_type = "image/gif";
$output_options->edited_filetype = explode ( "/", "image/gif");
insert_document($output_options->edited_url,"image/gif",$output_options->edited_name,"image","edited");
$returnFiles = returnFiles ( $output_options, $output_file .$output_options->format . '.mp4', "video/mp4", '', null );
return $returnFiles;
}