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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) Strime <contact@strime.io> |
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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\Gif\GifFilterInterface; |
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16 | use FFMpeg\Filters\Gif\GifFilters; |
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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 | use FFMpeg\Coordinate\TimeCode; |
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21 | use FFMpeg\Coordinate\Dimension; |
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22 | |||
23 | class Gif extends AbstractMediaType |
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24 | { |
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25 | /** @var TimeCode */ |
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26 | private $timecode; |
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27 | /** @var Dimension */ |
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28 | private $dimension; |
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29 | /** @var integer */ |
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30 | private $duration; |
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31 | /** @var Video */ |
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32 | private $video; |
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33 | |||
34 | public function __construct(Video $video, FFMpegDriver $driver, FFProbe $ffprobe, TimeCode $timecode, Dimension $dimension, $duration = null) |
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35 | { |
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36 | parent::__construct($video->getPathfile(), $driver, $ffprobe); |
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37 | $this->timecode = $timecode; |
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38 | $this->dimension = $dimension; |
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39 | $this->duration = $duration; |
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40 | $this->video = $video; |
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41 | } |
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42 | |||
43 | /** |
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44 | * Returns the video related to the gif. |
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45 | * |
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46 | * @return Video |
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47 | */ |
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48 | public function getVideo() |
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49 | { |
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50 | return $this->video; |
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51 | } |
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52 | |||
53 | /** |
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54 | * {@inheritdoc} |
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55 | * |
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56 | * @return GifFilters |
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57 | */ |
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58 | public function filters() |
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59 | { |
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60 | return new GifFilters($this); |
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61 | } |
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62 | |||
63 | /** |
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64 | * {@inheritdoc} |
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65 | * |
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66 | * @return Gif |
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67 | */ |
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68 | public function addFilter(GifFilterInterface $filter) |
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69 | { |
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70 | $this->filters->add($filter); |
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71 | |||
72 | return $this; |
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73 | } |
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74 | |||
75 | /** |
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76 | * @return TimeCode |
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77 | */ |
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78 | public function getTimeCode() |
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79 | { |
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80 | return $this->timecode; |
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81 | } |
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82 | |||
83 | /** |
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84 | * @return Dimension |
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85 | */ |
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86 | public function getDimension() |
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87 | { |
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88 | return $this->dimension; |
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89 | } |
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90 | |||
91 | /** |
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92 | * Saves the gif in the given filename. |
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93 | * |
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94 | * @param string $pathfile |
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95 | * |
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96 | * @return Gif |
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97 | * |
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98 | * @throws RuntimeException |
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99 | */ |
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100 | public function save($pathfile) |
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101 | { |
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102 | /** |
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103 | * @see http://ffmpeg.org/ffmpeg.html#Main-options |
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104 | */ |
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105 | $commands = array( |
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106 | '-ss', (string)$this->timecode |
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107 | ); |
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108 | |||
109 | if(null !== $this->duration) { |
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110 | $commands[] = '-t'; |
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111 | $commands[] = (string)$this->duration; |
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112 | } |
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113 | |||
114 | $commands[] = '-i'; |
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115 | $commands[] = $this->pathfile; |
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116 | $commands[] = '-vf'; |
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117 | $commands[] = 'scale=' . $this->dimension->getWidth() . ':-1'; |
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118 | $commands[] = '-gifflags'; |
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119 | $commands[] = '+transdiff'; |
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120 | $commands[] = '-y'; |
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121 | |||
122 | foreach ($this->filters as $filter) { |
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123 | $commands = array_merge($commands, $filter->apply($this)); |
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124 | } |
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125 | |||
126 | $commands = array_merge($commands, array($pathfile)); |
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127 | |||
128 | try { |
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129 | $this->driver->command($commands); |
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130 | } catch (ExecutionFailureException $e) { |
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131 | $this->cleanupTemporaryFile($pathfile); |
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132 | throw new RuntimeException('Unable to save gif', $e->getCode(), $e); |
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133 | } |
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134 | |||
135 | return $this; |
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136 | } |
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137 | } |