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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; |
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13 | |||
14 | use Alchemy\BinaryDriver\ConfigurationInterface; |
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15 | use Alchemy\BinaryDriver\Exception\ExecutionFailureException; |
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16 | use Doctrine\Common\Cache\ArrayCache; |
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17 | use Doctrine\Common\Cache\Cache; |
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18 | use FFMpeg\Driver\FFProbeDriver; |
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19 | use FFMpeg\FFProbe\DataMapping\Format; |
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20 | use FFMpeg\FFProbe\Mapper; |
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21 | use FFMpeg\FFProbe\MapperInterface; |
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22 | use FFMpeg\FFProbe\OptionsTester; |
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23 | use FFMpeg\FFProbe\OptionsTesterInterface; |
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24 | use FFMpeg\FFProbe\OutputParser; |
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25 | use FFMpeg\FFProbe\OutputParserInterface; |
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26 | use FFMpeg\Exception\InvalidArgumentException; |
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27 | use FFMpeg\Exception\RuntimeException; |
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28 | use FFMpeg\FFProbe\DataMapping\StreamCollection; |
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29 | use Psr\Log\LoggerInterface; |
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30 | |||
31 | class FFProbe |
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32 | { |
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33 | const TYPE_STREAMS = 'streams'; |
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34 | const TYPE_FORMAT = 'format'; |
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35 | |||
36 | /** @var Cache */ |
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37 | private $cache; |
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38 | /** @var OptionsTesterInterface */ |
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39 | private $optionsTester; |
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40 | /** @var OutputParserInterface */ |
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41 | private $parser; |
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42 | /** @var FFProbeDriver */ |
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43 | private $ffprobe; |
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44 | /** @var MapperInterface */ |
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45 | private $mapper; |
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46 | |||
47 | public function __construct(FFProbeDriver $ffprobe, Cache $cache) |
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48 | { |
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49 | $this->ffprobe = $ffprobe; |
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50 | $this->optionsTester = new OptionsTester($ffprobe, $cache); |
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51 | $this->parser = new OutputParser(); |
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52 | $this->mapper = new Mapper(); |
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53 | $this->cache = $cache; |
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54 | } |
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55 | |||
56 | /** |
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57 | * @return OutputParserInterface |
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58 | */ |
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59 | public function getParser() |
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60 | { |
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61 | return $this->parser; |
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62 | } |
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63 | |||
64 | /** |
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65 | * @param OutputParserInterface $parser |
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66 | * |
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67 | * @return FFProbe |
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68 | */ |
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69 | public function setParser(OutputParserInterface $parser) |
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70 | { |
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71 | $this->parser = $parser; |
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72 | |||
73 | return $this; |
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74 | } |
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75 | |||
76 | /** |
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77 | * @return FFProbeDriver |
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78 | */ |
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79 | public function getFFProbeDriver() |
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80 | { |
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81 | return $this->ffprobe; |
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82 | } |
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83 | |||
84 | /** |
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85 | * @param FFProbeDriver $ffprobe |
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86 | * |
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87 | * @return FFProbe |
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88 | */ |
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89 | public function setFFProbeDriver(FFProbeDriver $ffprobe) |
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90 | { |
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91 | $this->ffprobe = $ffprobe; |
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92 | |||
93 | return $this; |
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94 | } |
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95 | |||
96 | /** |
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97 | * @param OptionsTesterInterface $tester |
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98 | * |
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99 | * @return FFProbe |
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100 | */ |
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101 | public function setOptionsTester(OptionsTesterInterface $tester) |
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102 | { |
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103 | $this->optionsTester = $tester; |
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104 | |||
105 | return $this; |
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106 | } |
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107 | |||
108 | /** |
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109 | * @return OptionsTesterInterface |
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110 | */ |
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111 | public function getOptionsTester() |
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112 | { |
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113 | return $this->optionsTester; |
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114 | } |
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115 | |||
116 | /** |
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117 | * @param Cache $cache |
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118 | * |
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119 | * @return FFProbe |
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120 | */ |
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121 | public function setCache(Cache $cache) |
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122 | { |
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123 | $this->cache = $cache; |
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124 | |||
125 | return $this; |
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126 | } |
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127 | |||
128 | /** |
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129 | * @return Cache |
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130 | */ |
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131 | public function getCache() |
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132 | { |
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133 | return $this->cache; |
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134 | } |
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135 | |||
136 | /** |
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137 | * @return MapperInterface |
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138 | */ |
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139 | public function getMapper() |
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140 | { |
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141 | return $this->mapper; |
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142 | } |
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143 | |||
144 | /** |
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145 | * @param MapperInterface $mapper |
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146 | * |
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147 | * @return FFProbe |
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148 | */ |
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149 | public function setMapper(MapperInterface $mapper) |
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150 | { |
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151 | $this->mapper = $mapper; |
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152 | |||
153 | return $this; |
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154 | } |
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155 | |||
156 | /** |
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157 | * @api |
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158 | * |
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159 | * Probes the format of a given file. |
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160 | * |
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161 | * @param string $pathfile |
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162 | * |
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163 | * @return Format A Format object |
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164 | * |
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165 | * @throws InvalidArgumentException |
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166 | * @throws RuntimeException |
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167 | */ |
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168 | public function format($pathfile) |
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169 | { |
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170 | return $this->probe($pathfile, '-show_format', static::TYPE_FORMAT); |
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171 | } |
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172 | |||
173 | /** |
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174 | * @api |
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175 | * |
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176 | * Probes the streams contained in a given file. |
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177 | * |
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178 | * @param string $pathfile |
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179 | * |
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180 | * @return StreamCollection A collection of streams |
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181 | * |
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182 | * @throws InvalidArgumentException |
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183 | * @throws RuntimeException |
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184 | */ |
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185 | public function streams($pathfile) |
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186 | { |
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187 | return $this->probe($pathfile, '-show_streams', static::TYPE_STREAMS); |
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188 | } |
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189 | |||
190 | /** |
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191 | * @api |
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192 | * |
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193 | * Creates an FFProbe. |
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194 | * |
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195 | * @param array|ConfigurationInterface $configuration |
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196 | * @param LoggerInterface $logger |
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197 | * @param Cache $cache |
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198 | * |
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199 | * @return FFProbe |
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200 | */ |
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201 | public static function create($configuration = array(), LoggerInterface $logger = null, Cache $cache = null) |
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202 | { |
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203 | if (null === $cache) { |
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204 | $cache = new ArrayCache(); |
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205 | } |
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206 | |||
207 | return new static(FFProbeDriver::create($configuration, $logger), $cache); |
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208 | } |
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209 | |||
210 | private function probe($pathfile, $command, $type, $allowJson = true) |
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211 | { |
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212 | $id = sprintf('%s-%s', $command, $pathfile); |
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213 | |||
214 | if ($this->cache->contains($id)) { |
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215 | return $this->cache->fetch($id); |
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216 | } |
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217 | |||
218 | if (!$this->optionsTester->has($command)) { |
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219 | throw new RuntimeException(sprintf( |
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220 | 'This version of ffprobe is too old and ' |
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221 | . 'does not support `%s` option, please upgrade', $command |
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222 | )); |
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223 | } |
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224 | |||
225 | $commands = array($pathfile, $command); |
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226 | |||
227 | $parseIsToDo = false; |
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228 | |||
229 | if ($allowJson && $this->optionsTester->has('-print_format')) { |
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230 | // allowed in latest PHP-FFmpeg version |
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231 | $commands[] = '-print_format'; |
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232 | $commands[] = 'json'; |
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233 | } elseif ($allowJson && $this->optionsTester->has('-of')) { |
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234 | // option has changed in avconv 9 |
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235 | $commands[] = '-of'; |
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236 | $commands[] = 'json'; |
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237 | } else { |
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238 | $parseIsToDo = true; |
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239 | } |
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240 | |||
241 | try { |
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242 | $output = $this->ffprobe->command($commands); |
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243 | } catch (ExecutionFailureException $e) { |
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244 | throw new RuntimeException(sprintf('Unable to probe %s', $pathfile), $e->getCode(), $e); |
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245 | } |
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246 | |||
247 | if ($parseIsToDo) { |
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248 | $data = $this->parser->parse($type, $output); |
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249 | } else { |
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250 | try { |
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251 | // Malformed json may be retrieved |
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252 | $data = $this->parseJson($output); |
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253 | } catch (RuntimeException $e) { |
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254 | return $this->probe($pathfile, $command, $type, false); |
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255 | } |
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256 | } |
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257 | |||
258 | $ret = $this->mapper->map($type, $data); |
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259 | |||
260 | $this->cache->save($id, $ret); |
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261 | |||
262 | return $ret; |
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263 | } |
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264 | |||
265 | private function parseJson($data) |
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266 | { |
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267 | $ret = @json_decode($data, true); |
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268 | |||
269 | if (JSON_ERROR_NONE !== json_last_error()) { |
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270 | throw new RuntimeException(sprintf('Unable to parse json %s', $ret)); |
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271 | } |
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272 | |||
273 | return $ret; |
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274 | } |
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275 | } |