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<?php

/**

* Copyright 2015 Google Inc. All Rights Reserved.

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

namespace Google\Cloud\Samples\Speech;

use Symfony\Component\Console\Command\Command;

use Symfony\Component\Console\Input\InputArgument;

use Symfony\Component\Console\Input\InputInterface;

use Symfony\Component\Console\Input\InputOption;

use Symfony\Component\Console\Output\OutputInterface;

/**

* Command line utility to transcribe.

*

* Usage: php speech.php transcribe

*/

class TranscribeCommand extends Command

{

protected function configure()

{

$this

->setName('transcribe')

->setDescription('Transcribe Audio using Google Cloud Speech API')

->setHelp(<<<EOF

The <info>%command.name%</info> command transcribes audio using the Google Cloud Speech API.

<info>php %command.full_name% audio_file.wav</info>

EOF

)

->addArgument(

'audio-file',

InputArgument::REQUIRED,

'The audio file to transcribe'

)

->addOption(

'encoding',

null,

InputOption::VALUE_REQUIRED,

'The encoding of the audio file. This is required if the encoding is ' .

'unable to be determined. '

)

->addOption(

'sample-rate',

null,

InputOption::VALUE_REQUIRED,

'The sample rate of the audio file. This is required if the sample ' .

'rate is unable to be determined. '

)

->addOption(

'sync',

null,

InputOption::VALUE_NONE,

'Run the transcription synchronously. '

)

;

}

protected function execute(InputInterface $input, OutputInterface $output)

{

$encoding = $input->getOption('encoding');

$sampleRate = $input->getOption('sample-rate');

$audioFile = $input->getArgument('audio-file');

$options = [

'encoding' => $encoding,

'sampleRate' => $sampleRate,

];

if ($input->getOption('sync')) {

transcribe_sync($audioFile, $options);

} else {

transcribe_async($audioFile, $options);

}

}

}