function video_filter_process in Video Filter 5.2
Same name and namespace in other branches
- 5 video_filter.module \video_filter_process()
- 6.3 video_filter.module \video_filter_process()
- 6 video_filter.module \video_filter_process()
- 6.2 video_filter.module \video_filter_process()
1 call to video_filter_process()
- video_filter_filter in ./
video_filter.module - Implementation of hook_filter().
File
- ./
video_filter.module, line 62
Code
function video_filter_process($text, $format = -1) {
if (preg_match_all('/\\[video(\\:(.+))?( .+)?\\]/isU', $text, $matches_code)) {
foreach ($matches_code[0] as $ci => $code) {
$video = array(
'source' => $matches_code[2][$ci],
'width' => variable_get('video_filter_width_' . $format, 400),
'height' => variable_get('video_filter_height_' . $format, 400),
'autoplay' => variable_get('video_filter_autoplay_' . $format, 0),
'related' => variable_get('video_filter_related_' . $format, 1),
);
// Insert default values to this settings array so we don't get any "Undefined index" warnings from PHP.
$video += array(
'ratio' => 0,
'control_bar_height' => 0,
'align' => NULL,
);
// Pick random out of multiple sources separated by ','
if (strstr($video['source'], ',')) {
$sources = explode(',', $video['source']);
$random = array_rand($sources, 1);
$video['source'] = $sources[$random];
}
// Load all codecs
$codecs = module_invoke_all('codec_info');
// Find codec
foreach ($codecs as $codec_name => $codec) {
if (!is_array($codec['regexp'])) {
$codec['regexp'] = array(
$codec['regexp'],
);
}
// Try different regular expressions
foreach ($codec['regexp'] as $delta => $regexp) {
if (preg_match($regexp, $video['source'], $matches)) {
$video['codec'] = $codec;
$video['codec']['delta'] = $delta;
$video['codec']['matches'] = $matches;
$video['codec']['codec_name'] = $codec_name;
// used in theme function
$video['codec']['control_bar_height'] = 0;
// default
break 2;
}
}
}
// Codec found
if ($video['codec']) {
// Override default attributes
if ($matches_code[3][$ci] && preg_match_all('/\\s+([a-zA-Z_]+)\\:(\\s+)?([0-9\\/]+)/i', $matches_code[3][$ci], $matches_attributes)) {
foreach ($matches_attributes[0] as $ai => $attribute) {
$video[$matches_attributes[1][$ai]] = $matches_attributes[2][$ai];
}
}
// Use configured ratio if present, use that from the codec otherwise
$ratio = 0;
if ($video['ratio'] && preg_match('/(\\d+)\\/(\\d+)/', $video['ratio'], $tratio)) {
//validate given ratio parameter
$ratio = $tratio[1] / $tratio[2];
}
else {
$ratio = $video['codec']['ratio'];
}
// Default value for control bar height
$control_bar_height = 0;
if ($video['control_bar_height']) {
// respect control_bar_height option if present
$control_bar_height = $video['control_bar_height'];
}
elseif ($video['codec']['control_bar_height']) {
// respect setting provided by codec otherwise
$control_bar_height = $video['codec']['control_bar_height'];
}
// Resize to fit within width and height repecting aspect ratio
if ($ratio) {
$scale_factor = min(array(
$video['height'] - $control_bar_height,
$video['width'] / $ratio,
));
$video['height'] = round($scale_factor + $control_bar_height);
$video['width'] = round($scale_factor * $ratio);
}
$video['autoplay'] = (bool) $video['autoplay'];
$video['align'] = in_array($video['align'], array(
'left',
'right',
'center',
)) ? $video['align'] : NULL;
$replacement = $video['codec']['callback']($video);
// Invalid format
}
else {
$replacement = '<!-- VIDEO FILTER - INVALID CODEC IN: ' . $code . ' -->';
}
$text = str_replace($code, $replacement, $text);
}
}
return $text;
}