| /vendor/php-ffmpeg/php-ffmpeg/src/FFMpeg/Media/Waveform.php |
|---|
| @@ -0,0 +1,104 @@ |
|---|
| <?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\Media; |
| |
| use Alchemy\BinaryDriver\Exception\ExecutionFailureException; |
| use FFMpeg\Filters\Waveform\WaveformFilterInterface; |
| use FFMpeg\Filters\Waveform\WaveformFilters; |
| use FFMpeg\Driver\FFMpegDriver; |
| use FFMpeg\FFProbe; |
| use FFMpeg\Exception\RuntimeException; |
| |
| class Waveform extends AbstractMediaType |
| { |
| /** @var Video */ |
| private $audio; |
| private $width; |
| private $height; |
| |
| public function __construct(Audio $audio, FFMpegDriver $driver, FFProbe $ffprobe, $width, $height) |
| { |
| parent::__construct($audio->getPathfile(), $driver, $ffprobe); |
| $this->audio = $audio; |
| $this->width = $width; |
| $this->height = $height; |
| } |
| |
| /** |
| * Returns the audio related to the waveform. |
| * |
| * @return Audio |
| */ |
| public function getAudio() |
| { |
| return $this->audio; |
| } |
| |
| /** |
| * {@inheritdoc} |
| * |
| * @return WaveformFilters |
| */ |
| public function filters() |
| { |
| return new WaveformFilters($this); |
| } |
| |
| /** |
| * {@inheritdoc} |
| * |
| * @return Waveform |
| */ |
| public function addFilter(WaveformFilterInterface $filter) |
| { |
| $this->filters->add($filter); |
| |
| return $this; |
| } |
| |
| /** |
| * Saves the waveform in the given filename. |
| * |
| * @param string $pathfile |
| * |
| * @return Waveform |
| * |
| * @throws RuntimeException |
| */ |
| public function save($pathfile) |
| { |
| /** |
| * might be optimized with http://ffmpeg.org/trac/ffmpeg/wiki/Seeking%20with%20FFmpeg |
| * @see http://ffmpeg.org/ffmpeg.html#Main-options |
| */ |
| $commands = array( |
| '-i', $this->pathfile, '-filter_complex', |
| 'showwavespic=s='.$this->width.'x'.$this->height, |
| '-frames:v', '1' |
| ); |
| |
| foreach ($this->filters as $filter) { |
| $commands = array_merge($commands, $filter->apply($this)); |
| } |
| |
| $commands = array_merge($commands, array($pathfile)); |
| |
| try { |
| $this->driver->command($commands); |
| } catch (ExecutionFailureException $e) { |
| $this->cleanupTemporaryFile($pathfile); |
| throw new RuntimeException('Unable to save waveform', $e->getCode(), $e); |
| } |
| |
| return $this; |
| } |
| } |
