| /vendor/php-ffmpeg/php-ffmpeg/src/FFMpeg/Coordinate/TimeCode.php |
|---|
| @@ -0,0 +1,120 @@ |
|---|
| <?php |
| |
| /* |
| * This file is part of PHP-FFmpeg. |
| * |
| * (c) Alchemy <info@alchemy.fr> |
| * |
| * For the full copyright and license information, please view the LICENSE |
| * file that was distributed with this source code. |
| */ |
| |
| namespace FFMpeg\Coordinate; |
| |
| use FFMpeg\Exception\InvalidArgumentException; |
| |
| class TimeCode |
| { |
| //see http://www.dropframetimecode.org/ |
| private $hours; |
| private $minutes; |
| private $seconds; |
| private $frames; |
| |
| public function __construct($hours, $minutes, $seconds, $frames) |
| { |
| $this->hours = $hours; |
| $this->minutes = $minutes; |
| $this->seconds = $seconds; |
| $this->frames = $frames; |
| } |
| |
| public function __toString() |
| { |
| return sprintf('%02d:%02d:%02d.%02d', $this->hours, $this->minutes, $this->seconds, $this->frames); |
| } |
| |
| /** |
| * Creates timecode from string. |
| * |
| * @param string $timecode |
| * |
| * @return TimeCode |
| * |
| * @throws InvalidArgumentException In case an invalid timecode is supplied |
| */ |
| public static function fromString($timecode) |
| { |
| $days = 0; |
| |
| if (preg_match('/^[0-9]+:[0-9]+:[0-9]+:[0-9]+\.[0-9]+$/', $timecode)) { |
| list($days, $hours, $minutes, $seconds, $frames) = sscanf($timecode, '%d:%d:%d:%d.%d'); |
| } elseif (preg_match('/^[0-9]+:[0-9]+:[0-9]+:[0-9]+:[0-9]+$/', $timecode)) { |
| list($days, $hours, $minutes, $seconds, $frames) = sscanf($timecode, '%d:%d:%d:%d:%d'); |
| } elseif (preg_match('/^[0-9]+:[0-9]+:[0-9]+\.[0-9]+$/', $timecode)) { |
| list($hours, $minutes, $seconds, $frames) = sscanf($timecode, '%d:%d:%d.%s'); |
| } elseif (preg_match('/^[0-9]+:[0-9]+:[0-9]+:[0-9]+$/', $timecode)) { |
| list($hours, $minutes, $seconds, $frames) = sscanf($timecode, '%d:%d:%d:%s'); |
| } else { |
| throw new InvalidArgumentException(sprintf('Unable to parse timecode %s', $timecode)); |
| } |
| |
| $hours += $days * 24; |
| |
| return new static($hours, $minutes, $seconds, $frames); |
| } |
| |
| /** |
| * Creates timecode from number of seconds. |
| * |
| * @param float $quantity |
| * |
| * @return TimeCode |
| */ |
| public static function fromSeconds($quantity) |
| { |
| $minutes = $hours = $frames = 0; |
| |
| $frames = round(100 * ($quantity - floor($quantity))); |
| $seconds = floor($quantity); |
| |
| if ($seconds > 59) { |
| $minutes = floor($seconds / 60); |
| $seconds = $seconds % 60; |
| } |
| if ($minutes > 59) { |
| $hours = floor($minutes / 60); |
| $minutes = $minutes % 60; |
| } |
| |
| return new static($hours, $minutes, $seconds, $frames); |
| } |
| |
| /** |
| * Returns this timecode in seconds |
| * @return int |
| */ |
| public function toSeconds() { |
| $seconds = 0; |
| |
| $seconds += $this->hours * 60 * 60; |
| $seconds += $this->minutes * 60; |
| $seconds += $this->seconds; |
| |
| // TODO: Handle frames? |
| |
| return (int) $seconds; |
| } |
| |
| /** |
| * Helper function wether `$timecode` is after this one |
| * |
| * @param TimeCode $timecode The Timecode to compare |
| * @return bool |
| */ |
| public function isAfter(TimeCode $timecode) { |
| // convert everything to seconds and compare |
| return ($this->toSeconds() > $timecode->toSeconds()); |
| } |
| |
| } |
