FFMpegAdapter::__construct() - Code Metrics - Inspection of "Prep 0.8.7" - soluble-io/soluble-mediatools - Measure and Improve Code Quality continuously with Scrutinizer

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by Sébastien

created 2019-01-05 12:12 UTC

FFMpegAdapter::__construct() A

↳ Parent: FFMpegAdapter

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	1
nc	1
nop	1
dl	0
loc	3
ccs	2
cts	2
cp	1
crap	1
rs	10
c	0
b	0
f	0

<?php

declare(strict_types=1);

namespace Soluble\MediaTools\Video\Adapter;

use Soluble\MediaTools\Common\Exception\InvalidArgumentException;
use Soluble\MediaTools\Common\Exception\UnsupportedParamException;
use Soluble\MediaTools\Common\Exception\UnsupportedParamValueException;
use Soluble\MediaTools\Common\IO\UnescapedFileInterface;
use Soluble\MediaTools\Video\Adapter\Validator\FFMpegParamValidator;
use Soluble\MediaTools\Video\Config\FFMpegConfigInterface;
use Soluble\MediaTools\Video\Exception\ParamValidationException;
use Soluble\MediaTools\Video\Exception\UnexpectedValueException;
use Soluble\MediaTools\Video\VideoConvertParamsInterface;

class FFMpegAdapter implements ConverterAdapterInterface
{
    /** @var FFMpegConfigInterface */
    protected $ffmpegConfig;

    public function __construct(FFMpegConfigInterface $ffmpegConfig)
    {
        $this->ffmpegConfig = $ffmpegConfig;
    }

    /**
     * @return array<string, array<string, string>>
     */
    public function getParamsOptions(): array
    {
        return [
            VideoConvertParamsInterface::PARAM_OUTPUT_FORMAT => [
                'pattern' => '-f %s',
            ],
            VideoConvertParamsInterface::PARAM_VIDEO_CODEC => [
                'pattern' => '-c:v %s',
            ],
            VideoConvertParamsInterface::PARAM_VIDEO_BITRATE => [
                'pattern' => '-b:v %s',
            ],
            VideoConvertParamsInterface::PARAM_VIDEO_MIN_BITRATE => [
                'pattern' => '-minrate %s',
            ],
            VideoConvertParamsInterface::PARAM_VIDEO_MAX_BITRATE => [
                'pattern' => '-maxrate %s',
            ],
            VideoConvertParamsInterface::PARAM_AUDIO_CODEC => [
                'pattern' => '-c:a %s',
            ],
            VideoConvertParamsInterface::PARAM_AUDIO_BITRATE => [
                'pattern' => '-b:a %s',
            ],
            VideoConvertParamsInterface::PARAM_PIX_FMT => [
                'pattern' => '-pix_fmt %s',
            ],
            VideoConvertParamsInterface::PARAM_PRESET => [
                'pattern' => '-preset %s',
            ],
            VideoConvertParamsInterface::PARAM_SPEED => [
                'pattern' => '-speed %d',
            ],
            VideoConvertParamsInterface::PARAM_THREADS => [
                'pattern' => '-threads %d',
            ],
            VideoConvertParamsInterface::PARAM_KEYFRAME_SPACING => [
                'pattern' => '-g %d',
            ],
            VideoConvertParamsInterface::PARAM_QUALITY => [
                'pattern' => '-quality %s',
            ],
            VideoConvertParamsInterface::PARAM_VIDEO_QUALITY_SCALE => [
                'pattern' => '-qscale:v %d',
            ],
            VideoConvertParamsInterface::PARAM_CRF => [
                'pattern' => '-crf %d',
            ],
            VideoConvertParamsInterface::PARAM_STREAMABLE => [
                'pattern' => '-movflags +faststart',
            ],
            VideoConvertParamsInterface::PARAM_FRAME_PARALLEL => [
                'pattern' => '-frame-parallel %s',
            ],
            VideoConvertParamsInterface::PARAM_TILE_COLUMNS => [
                'pattern' => '-tile-columns %s',
            ],
            VideoConvertParamsInterface::PARAM_TUNE => [
                'pattern' => '-tune %s',
            ],
            VideoConvertParamsInterface::PARAM_VIDEO_FILTER => [
                'pattern' => '-filter:v %s',
            ],
            VideoConvertParamsInterface::PARAM_OVERWRITE => [
                'pattern' => '-y',
            ],
            VideoConvertParamsInterface::PARAM_VIDEO_FRAMES => [
                'pattern' => '-frames:v %d',
            ],
            VideoConvertParamsInterface::PARAM_NOAUDIO => [
                'pattern' => '-an',
            ],
            VideoConvertParamsInterface::PARAM_SEEK_START => [
                'pattern' => '-ss %s',
            ],
            VideoConvertParamsInterface::PARAM_SEEK_END => [
                'pattern' => '-to %s',
            ],
            VideoConvertParamsInterface::PARAM_PASSLOGFILE => [
                'pattern' => '-passlogfile %s',
            ],
            VideoConvertParamsInterface::PARAM_PASS => [
                'pattern' => '-pass %s',
            ],
            VideoConvertParamsInterface::PARAM_AUTO_ALT_REF => [
                'pattern' => '-auto-alt-ref %s',
            ],
            VideoConvertParamsInterface::PARAM_LAG_IN_FRAMES => [
                'pattern' => '-lag-in-frames %s',
            ],
        ];
    }

    /**
     * Return an array version of params suitable for ffmpeg cli.
     *
     * @param bool $validateParams whether to run ffmpeg validation process validation
     *
     * @return array<string, string>
     *
     * @throws UnsupportedParamException
     * @throws UnsupportedParamValueException
     * @throws ParamValidationException
     */
    public function getMappedConversionParams(VideoConvertParamsInterface $conversionParams, bool $validateParams = true): array
    {
        $args             = [];
        $supportedOptions = $this->getParamsOptions();

        // Add default overwrite option if not set
        $overwriteParam = VideoConvertParamsInterface::PARAM_OVERWRITE;
        if (!$conversionParams->hasParam($overwriteParam)) {
            $conversionParams = $conversionParams->withBuiltInParam(
                $overwriteParam,
                true
            );
        }

        foreach ($conversionParams->toArray() as $paramName => $value) {
            if (!array_key_exists($paramName, $supportedOptions)) {
                throw new UnsupportedParamException(
                    sprintf(
                        'FFMpegAdapter does not support param \'%s\'',
                        $paramName
                    )
                );
            }
            $pattern = $supportedOptions[$paramName]['pattern'];
            if (is_bool($value)) {
                $args[$paramName] = $value ? $pattern : '';
            } elseif ($value instanceof FFMpegCLIValueInterface) {
                // Will test also FFMpegVideoFilterInterface
                $cliValue = $value->getFFmpegCLIValue();
                if ($cliValue !== null) {
                    $args[$paramName] = sprintf($pattern, $cliValue);
                }
            } elseif (is_string($value) || is_int($value)) {
                $args[$paramName] = sprintf($pattern, $value);
            } else {
                throw new UnsupportedParamValueException(
                    sprintf(
                        'Param \'%s\' has an unsupported type: \'%s\'',
                        $paramName,
                        is_object($value) ? get_class($value) : gettype($value)
                    )
                );
            }
        }

        // Validation
        if ($validateParams) {
            (new FFMpegParamValidator($conversionParams))->validate();
        }

        return $args;
    }

    /**
     * @param array<string,string>               $arguments        args that will be added
     * @param null|string|UnescapedFileInterface $outputFile
     * @param array<string,string>               $prependArguments args that must be added at the beginning of the command
     *
     * @throws InvalidArgumentException
     */
    public function getCliCommand(array $arguments, string $inputFile, $outputFile = null, array $prependArguments = []): array
    {
        $outputArg = null;
        if ($outputFile instanceof UnescapedFileInterface) {
            $outputArg = $outputFile->getFile();
        } elseif (is_string($outputFile)) {
            $outputArg = $outputFile;
        }

        if ($outputArg === null) {
            throw new InvalidArgumentException(sprintf(
                'Output file must be either a non empty string, null or PlatformNullFile (type %s)',
                gettype($outputFile)
            ));
        }

        $ffmpegCmd = array_merge(
            [
                $this->ffmpegConfig->getBinary(),
            ],
            $this->getArgsWithExplodedValues($prependArguments),
            ['-i', $inputFile],
            $this->getArgsWithExplodedValues($arguments),
            [$outputArg]
        );

        if (count($ffmpegCmd) < 2) {
            throw new UnexpectedValueException(
                'Cannot generate ffmpeg cli command'
            );
        }

        return $ffmpegCmd;
    }

    /**
     * As we rely on symfony process unescaping, we
     * need to explode options name and values... i.e
     * ['-tune animation'] will become ['-tune', 'animation'].
     *
     * @param array<string, string> $args
     *
     * @return string[]
     */
    private function getArgsWithExplodedValues(array $args): array
    {
        $exploded = [];
        foreach ($args as $key => $value) {
            $elems      = explode(' ', $value);
            $exploded[] = (string) array_shift($elems);
            if (count($elems) <= 0) {
                continue;
            }
            $exploded[] = implode(' ', $elems);
        }

        return $exploded;
    }

    public function getDefaultThreads(): ?int
    {
        return $this->ffmpegConfig->getThreads();
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Soluble\MediaTools\Video\Adapter;
6
7		use Soluble\MediaTools\Common\Exception\InvalidArgumentException;
8		use Soluble\MediaTools\Common\Exception\UnsupportedParamException;
9		use Soluble\MediaTools\Common\Exception\UnsupportedParamValueException;
10		use Soluble\MediaTools\Common\IO\UnescapedFileInterface;
11		use Soluble\MediaTools\Video\Adapter\Validator\FFMpegParamValidator;
12		use Soluble\MediaTools\Video\Config\FFMpegConfigInterface;
13		use Soluble\MediaTools\Video\Exception\ParamValidationException;
14		use Soluble\MediaTools\Video\Exception\UnexpectedValueException;
15		use Soluble\MediaTools\Video\VideoConvertParamsInterface;
16
17		class FFMpegAdapter implements ConverterAdapterInterface
18		{
19		/** @var FFMpegConfigInterface */
20		protected $ffmpegConfig;
21
22	39	public function __construct(FFMpegConfigInterface $ffmpegConfig)
23		{
24	39	$this->ffmpegConfig = $ffmpegConfig;
25	39	}
26
27		/**
28		* @return array<string, array<string, string>>
29		*/
30	38	public function getParamsOptions(): array
31		{
32		return [
33	38	VideoConvertParamsInterface::PARAM_OUTPUT_FORMAT => [
34	38	'pattern' => '-f %s',
35		],
36	38	VideoConvertParamsInterface::PARAM_VIDEO_CODEC => [
37		'pattern' => '-c:v %s',
38		],
39	38	VideoConvertParamsInterface::PARAM_VIDEO_BITRATE => [
40		'pattern' => '-b:v %s',
41		],
42	38	VideoConvertParamsInterface::PARAM_VIDEO_MIN_BITRATE => [
43		'pattern' => '-minrate %s',
44		],
45	38	VideoConvertParamsInterface::PARAM_VIDEO_MAX_BITRATE => [
46		'pattern' => '-maxrate %s',
47		],
48	38	VideoConvertParamsInterface::PARAM_AUDIO_CODEC => [
49		'pattern' => '-c:a %s',
50		],
51	38	VideoConvertParamsInterface::PARAM_AUDIO_BITRATE => [
52		'pattern' => '-b:a %s',
53		],
54	38	VideoConvertParamsInterface::PARAM_PIX_FMT => [
55		'pattern' => '-pix_fmt %s',
56		],
57	38	VideoConvertParamsInterface::PARAM_PRESET => [
58		'pattern' => '-preset %s',
59		],
60	38	VideoConvertParamsInterface::PARAM_SPEED => [
61		'pattern' => '-speed %d',
62		],
63	38	VideoConvertParamsInterface::PARAM_THREADS => [
64		'pattern' => '-threads %d',
65		],
66	38	VideoConvertParamsInterface::PARAM_KEYFRAME_SPACING => [
67		'pattern' => '-g %d',
68		],
69	38	VideoConvertParamsInterface::PARAM_QUALITY => [
70		'pattern' => '-quality %s',
71		],
72	38	VideoConvertParamsInterface::PARAM_VIDEO_QUALITY_SCALE => [
73		'pattern' => '-qscale:v %d',
74		],
75	38	VideoConvertParamsInterface::PARAM_CRF => [
76		'pattern' => '-crf %d',
77		],
78	38	VideoConvertParamsInterface::PARAM_STREAMABLE => [
79		'pattern' => '-movflags +faststart',
80		],
81	38	VideoConvertParamsInterface::PARAM_FRAME_PARALLEL => [
82		'pattern' => '-frame-parallel %s',
83		],
84	38	VideoConvertParamsInterface::PARAM_TILE_COLUMNS => [
85		'pattern' => '-tile-columns %s',
86		],
87	38	VideoConvertParamsInterface::PARAM_TUNE => [
88		'pattern' => '-tune %s',
89		],
90	38	VideoConvertParamsInterface::PARAM_VIDEO_FILTER => [
91		'pattern' => '-filter:v %s',
92		],
93	38	VideoConvertParamsInterface::PARAM_OVERWRITE => [
94		'pattern' => '-y',
95		],
96	38	VideoConvertParamsInterface::PARAM_VIDEO_FRAMES => [
97		'pattern' => '-frames:v %d',
98		],
99	38	VideoConvertParamsInterface::PARAM_NOAUDIO => [
100		'pattern' => '-an',
101		],
102	38	VideoConvertParamsInterface::PARAM_SEEK_START => [
103		'pattern' => '-ss %s',
104		],
105	38	VideoConvertParamsInterface::PARAM_SEEK_END => [
106		'pattern' => '-to %s',
107		],
108	38	VideoConvertParamsInterface::PARAM_PASSLOGFILE => [
109		'pattern' => '-passlogfile %s',
110		],
111	38	VideoConvertParamsInterface::PARAM_PASS => [
112		'pattern' => '-pass %s',
113		],
114	38	VideoConvertParamsInterface::PARAM_AUTO_ALT_REF => [
115		'pattern' => '-auto-alt-ref %s',
116		],
117	38	VideoConvertParamsInterface::PARAM_LAG_IN_FRAMES => [
118		'pattern' => '-lag-in-frames %s',
119		],
120		];
121		}
122
123		/**
124		* Return an array version of params suitable for ffmpeg cli.
125		*
126		* @param bool $validateParams whether to run ffmpeg validation process validation
127		*
128		* @return array<string, string>
129		*
130		* @throws UnsupportedParamException
131		* @throws UnsupportedParamValueException
132		* @throws ParamValidationException
133		*/
134	38	public function getMappedConversionParams(VideoConvertParamsInterface $conversionParams, bool $validateParams = true): array
135		{
136	38	$args = [];
137	38	$supportedOptions = $this->getParamsOptions();
138
139		// Add default overwrite option if not set
140	38	$overwriteParam = VideoConvertParamsInterface::PARAM_OVERWRITE;
141	38	if (!$conversionParams->hasParam($overwriteParam)) {
142	34	$conversionParams = $conversionParams->withBuiltInParam(
143	34	$overwriteParam,
144	34	true
145		);
146		}
147
148	38	foreach ($conversionParams->toArray() as $paramName => $value) {
149	38	if (!array_key_exists($paramName, $supportedOptions)) {
150		throw new UnsupportedParamException(
151		sprintf(
152		'FFMpegAdapter does not support param \'%s\'',
153		$paramName
154		)
155		);
156		}
157	38	$pattern = $supportedOptions[$paramName]['pattern'];
158	38	if (is_bool($value)) {
159	37	$args[$paramName] = $value ? $pattern : '';
160	35	} elseif ($value instanceof FFMpegCLIValueInterface) {
161		// Will test also FFMpegVideoFilterInterface
162	23	$cliValue = $value->getFFmpegCLIValue();
163	23	if ($cliValue !== null) {
164	23	$args[$paramName] = sprintf($pattern, $cliValue);
165		}
166	32	} elseif (is_string($value) \|\| is_int($value)) {
167	31	$args[$paramName] = sprintf($pattern, $value);
168		} else {
169	1	throw new UnsupportedParamValueException(
170	1	sprintf(
171	1	'Param \'%s\' has an unsupported type: \'%s\'',
172		$paramName,
173	38	is_object($value) ? get_class($value) : gettype($value)
174		)
175		);
176		}
177		}
178
179		// Validation
180	37	if ($validateParams) {
181	37	(new FFMpegParamValidator($conversionParams))->validate();
182		}
183
184	36	return $args;
185		}
186
187		/**
188		* @param array<string,string> $arguments args that will be added
189		* @param null\|string\|UnescapedFileInterface $outputFile
190		* @param array<string,string> $prependArguments args that must be added at the beginning of the command
191		*
192		* @throws InvalidArgumentException
193		*/
194	31	public function getCliCommand(array $arguments, string $inputFile, $outputFile = null, array $prependArguments = []): array
195		{
196	31	$outputArg = null;
197	31	if ($outputFile instanceof UnescapedFileInterface) {
198	5	$outputArg = $outputFile->getFile();
199	28	} elseif (is_string($outputFile)) {
200	26	$outputArg = $outputFile;
201		}
202
203	31	if ($outputArg === null) {
204	2	throw new InvalidArgumentException(sprintf(
205	2	'Output file must be either a non empty string, null or PlatformNullFile (type %s)',
206	2	gettype($outputFile)
207		));
208		}
209
210	29	$ffmpegCmd = array_merge(
211		[
212	29	$this->ffmpegConfig->getBinary(),
213		],
214	29	$this->getArgsWithExplodedValues($prependArguments),
215	29	['-i', $inputFile],
216	29	$this->getArgsWithExplodedValues($arguments),
217	29	[$outputArg]
218		);
219
220	29	if (count($ffmpegCmd) < 2) {
221		throw new UnexpectedValueException(
222		'Cannot generate ffmpeg cli command'
223		);
224		}
225
226	29	return $ffmpegCmd;
227		}
228
229		/**
230		* As we rely on symfony process unescaping, we
231		* need to explode options name and values... i.e
232		* ['-tune animation'] will become ['-tune', 'animation'].
233		*
234		* @param array<string, string> $args
235		*
236		* @return string[]
237		*/
238	29	private function getArgsWithExplodedValues(array $args): array
239		{
240	29	$exploded = [];
241	29	foreach ($args as $key => $value) {
242	29	$elems = explode(' ', $value);
243	29	$exploded[] = (string) array_shift($elems);
244	29	if (count($elems) <= 0) {
245	29	continue;
246		}
247	28	$exploded[] = implode(' ', $elems);
248		}
249
250	29	return $exploded;
251		}
252
253	24	public function getDefaultThreads(): ?int
254		{
255	24	return $this->ffmpegConfig->getThreads();
256		}
257		}
258

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FFMpegAdapter::__construct() A

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