static function video_consolidator($file, $new_width, $new_height)
{
$ffmpeg = new ffmpeg_wrapper();
$ffmpeg->add_input($file);
$ffmpeg->video->qscale(0);
// initialize flags
$info = ffmpeg_wrapper::video_stream_info($file);
$input_width = intval($info["width"]);
$input_heigth = intval($info["height"]);
$aspect_ratio = round(floatval($input_width / $input_heigth), 3);
$new_aspect_ratio = round(floatval($new_width / $new_height), 3);
/**
* fix letterbox videos
*/
$ffmpeg->fix_letterbox($file, $new_width, $new_height);
/**
* convert vertical videos
*/
$ffmpeg->fix_vertical($file);
/**
* check if padding is needed
*/
$ffmpeg->fix_aspect_ratio_normal($aspect_ratio, $new_aspect_ratio);
/**
* scale to new given sizes
*/
if ($input_width != $new_width || $input_heigth != $new_height) {
if (FFMPEG_WRAPPER_DEBUG_PRINTS) {
echo ">> scale needed" . PHP_EOL;
}
$ffmpeg->video_filter->scale($new_width, $new_height);
} else {
if (FFMPEG_WRAPPER_DEBUG_PRINTS) {
echo ">> no scale needed" . PHP_EOL;
}
}
return $ffmpeg;
}
public function fix_vertical($file)
{
$transpose_degree = ffmpeg_wrapper::analyze_rotation($file);
if ($this->video_filter->transpose($transpose_degree)) {
if (FFMPEG_WRAPPER_DEBUG_PRINTS) {
echo ">> transpose needed" . PHP_EOL;
}
} else {
if (FFMPEG_WRAPPER_DEBUG_PRINTS) {
echo ">> no transpose needed" . PHP_EOL;
}
}
}
