scratch – Blame information for rev 115
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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 115 | office | 1 | <?php |
| 2 | |||
| 3 | /* |
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| 4 | * This file is part of PHP-FFmpeg. |
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| 5 | * |
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| 6 | * (c) Alchemy <info@alchemy.fr> |
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| 7 | * |
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| 8 | * For the full copyright and license information, please view the LICENSE |
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| 9 | * file that was distributed with this source code. |
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| 10 | */ |
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| 11 | |||
| 12 | namespace FFMpeg\Media; |
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| 13 | |||
| 14 | use Alchemy\BinaryDriver\Exception\ExecutionFailureException; |
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| 15 | use FFMpeg\Filters\Waveform\WaveformFilterInterface; |
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| 16 | use FFMpeg\Filters\Waveform\WaveformFilters; |
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| 17 | use FFMpeg\Driver\FFMpegDriver; |
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| 18 | use FFMpeg\FFProbe; |
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| 19 | use FFMpeg\Exception\RuntimeException; |
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| 20 | |||
| 21 | class Waveform extends AbstractMediaType |
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| 22 | { |
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| 23 | /** @var Video */ |
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| 24 | private $audio; |
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| 25 | private $width; |
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| 26 | private $height; |
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| 27 | |||
| 28 | public function __construct(Audio $audio, FFMpegDriver $driver, FFProbe $ffprobe, $width, $height) |
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| 29 | { |
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| 30 | parent::__construct($audio->getPathfile(), $driver, $ffprobe); |
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| 31 | $this->audio = $audio; |
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| 32 | $this->width = $width; |
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| 33 | $this->height = $height; |
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| 34 | } |
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| 35 | |||
| 36 | /** |
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| 37 | * Returns the audio related to the waveform. |
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| 38 | * |
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| 39 | * @return Audio |
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| 40 | */ |
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| 41 | public function getAudio() |
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| 42 | { |
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| 43 | return $this->audio; |
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| 44 | } |
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| 45 | |||
| 46 | /** |
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| 47 | * {@inheritdoc} |
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| 48 | * |
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| 49 | * @return WaveformFilters |
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| 50 | */ |
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| 51 | public function filters() |
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| 52 | { |
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| 53 | return new WaveformFilters($this); |
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| 54 | } |
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| 55 | |||
| 56 | /** |
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| 57 | * {@inheritdoc} |
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| 58 | * |
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| 59 | * @return Waveform |
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| 60 | */ |
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| 61 | public function addFilter(WaveformFilterInterface $filter) |
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| 62 | { |
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| 63 | $this->filters->add($filter); |
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| 64 | |||
| 65 | return $this; |
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| 66 | } |
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| 67 | |||
| 68 | /** |
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| 69 | * Saves the waveform in the given filename. |
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| 70 | * |
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| 71 | * @param string $pathfile |
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| 72 | * |
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| 73 | * @return Waveform |
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| 74 | * |
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| 75 | * @throws RuntimeException |
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| 76 | */ |
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| 77 | public function save($pathfile) |
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| 78 | { |
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| 79 | /** |
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| 80 | * might be optimized with http://ffmpeg.org/trac/ffmpeg/wiki/Seeking%20with%20FFmpeg |
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| 81 | * @see http://ffmpeg.org/ffmpeg.html#Main-options |
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| 82 | */ |
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| 83 | $commands = array( |
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| 84 | '-i', $this->pathfile, '-filter_complex', |
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| 85 | 'showwavespic=s='.$this->width.'x'.$this->height, |
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| 86 | '-frames:v', '1' |
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| 87 | ); |
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| 88 | |||
| 89 | foreach ($this->filters as $filter) { |
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| 90 | $commands = array_merge($commands, $filter->apply($this)); |
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| 91 | } |
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| 92 | |||
| 93 | $commands = array_merge($commands, array($pathfile)); |
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| 94 | |||
| 95 | try { |
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| 96 | $this->driver->command($commands); |
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| 97 | } catch (ExecutionFailureException $e) { |
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| 98 | $this->cleanupTemporaryFile($pathfile); |
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| 99 | throw new RuntimeException('Unable to save waveform', $e->getCode(), $e); |
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| 100 | } |
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| 101 | |||
| 102 | return $this; |
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| 103 | } |
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| 104 | } |