scratch – Blame information for rev 115
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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\Filters\Audio; |
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13 | |||
14 | use FFMpeg\Filters\Audio\AddMetadataFilter; |
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15 | use FFMpeg\Media\Audio; |
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16 | use FFMpeg\Coordinate\TimeCode; |
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17 | |||
18 | class AudioFilters |
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19 | { |
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20 | protected $media; |
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21 | |||
22 | public function __construct(Audio $media) |
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23 | { |
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24 | $this->media = $media; |
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25 | } |
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26 | |||
27 | /** |
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28 | * Resamples the audio file. |
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29 | * |
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30 | * @param Integer $rate |
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31 | * |
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32 | * @return AudioFilters |
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33 | */ |
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34 | public function resample($rate) |
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35 | { |
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36 | $this->media->addFilter(new AudioResamplableFilter($rate)); |
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37 | |||
38 | return $this; |
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39 | } |
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40 | |||
41 | /** |
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42 | * Add metadata to an audio file. If no arguments are given then filter |
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43 | * will remove all metadata from the audio file |
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44 | * @param Array|Null $data If array must contain one of these key/value pairs: |
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45 | * - "title": Title metadata |
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46 | * - "artist": Artist metadata |
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47 | * - "composer": Composer metadata |
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48 | * - "album": Album metadata |
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49 | * - "track": Track metadata |
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50 | * - "artwork": Song artwork. String of file path |
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51 | * - "year": Year metadata |
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52 | * - "genre": Genre metadata |
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53 | * - "description": Description metadata |
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54 | */ |
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55 | public function addMetadata($data = null) |
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56 | { |
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57 | $this->media->addFilter(new AddMetadataFilter($data)); |
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58 | |||
59 | return $this; |
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60 | } |
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61 | |||
62 | /** |
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63 | * Cuts the audio at `$start`, optionally define the end |
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64 | * |
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65 | * @param TimeCode $start Where the clipping starts(seek to time) |
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66 | * @param TimeCode $duration How long the clipped audio should be |
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67 | * @return AudioFilters |
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68 | */ |
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69 | public function clip($start, $duration = null) { |
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70 | $this->media->addFilter(new AudioClipFilter($start, $duration)); |
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71 | |||
72 | return $this; |
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73 | } |
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74 | } |