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<?php

/**

* Copyright 2016 Google Inc.

*

* 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;

require __DIR__ . '/vendor/autoload.php';

use Symfony\Component\Console\Application;

use Symfony\Component\Console\Command\Command;

use Symfony\Component\Console\Input\InputArgument;

use Symfony\Component\Console\Input\InputDefinition;

use Symfony\Component\Console\Input\InputInterface;

use Symfony\Component\Console\Input\InputOption;

use Symfony\Component\Console\Output\OutputInterface;

$inputDefinition = new InputDefinition([

new InputArgument('audio-file', InputArgument::REQUIRED, 'The audio file to transcribe'),

new InputOption('model', null, InputOption::VALUE_REQUIRED, 'The model to use'),

new InputOption('encoding', null, InputOption::VALUE_REQUIRED,

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

'unable to be determined. '

)

]);

$application = new Application('Cloud Speech');

$application->add(new Command('transcribe'))

->setDefinition($inputDefinition)

->setDescription('Transcribe an audio file using Google Cloud Speech API')

->setHelp(<<<EOF

The <info>%command.name%</info> command transcribes audio from a file using the

Google Cloud Speech API.

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

EOF

)

->setCode(function (InputInterface $input, OutputInterface $output) {

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

transcribe_sync($audioFile);

});

$application->add(new Command('transcribe-gcs'))

->setDefinition($inputDefinition)

->setDescription('Transcribe audio from a Storage Object using Google Cloud Speech API')

->setHelp(<<<EOF

The <info>%command.name%</info> command transcribes audio from a Cloud Storage

Object using the Google Cloud Speech API.

<info>php %command.full_name% gs://my-bucket/audio_file.wav</info>

EOF

)

->setCode(function (InputInterface $input, OutputInterface $output) {

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

if (!preg_match('/^gs:\/\/([a-z0-9\._\-]+)\/(\S+)$/', $audioFile, $matches)) {

throw new \Exception('Invalid file name. Must be gs://[bucket]/[audiofile]');

}

transcribe_sync_gcs($audioFile);

});

$application->add(new Command('transcribe-model'))

->setDefinition($inputDefinition)

->setDescription('Transcribe an audio file, with selected model, using Google Cloud Speech API')

->setHelp(<<<EOF

The <info>%command.name%</info> command transcribes audio from a file, with the

selected model, using the Google Cloud Speech API.

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

EOF

)

->setCode(function (InputInterface $input, OutputInterface $output) {

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

$modelName = $input->getOption('model');

transcribe_model_selection($audioFile, $modelName);

});

$application->add(new Command('transcribe-enhanced'))

->setDefinition($inputDefinition)

->setDescription('Transcribe an audio file, with an enhanced model, using Google Cloud Speech API')

->setHelp(<<<EOF

The <info>%command.name%</info> command transcribes audio from a file, with an enhanced

model, using the Google Cloud Speech API.

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

EOF

)

->setCode(function (InputInterface $input, OutputInterface $output) {

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

transcribe_enhanced_model($path);

});

$application->add(new Command('transcribe-punctuation'))

->setDefinition($inputDefinition)

->setDescription('Transcribe an audio file, with proper punctuation, using Google Cloud Speech API')

->setHelp(<<<EOF

The <info>%command.name%</info> command transcribes audio from a file, with

proper punctuation, using the Google Cloud Speech API.

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

EOF

)

->setCode(function (InputInterface $input, OutputInterface $output) {

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

transcribe_auto_punctuation($path);

});

$application->add(new Command('transcribe-async'))

->setDefinition($inputDefinition)

->setDescription('Transcribe an audio file asynchronously using Google Cloud Speech API')

->setHelp(<<<EOF

The <info>%command.name%</info> command transcribes audio from a file using the

Google Cloud Speech API asynchronously.

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

EOF

)

->setCode(function (InputInterface $input, OutputInterface $output) {

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

transcribe_async($audioFile);

});

$application->add(new Command('transcribe-async-gcs'))

->setDefinition($inputDefinition)

->setDescription('Transcribe audio asynchronously from a Storage Object using Google Cloud Speech API')

->setHelp(<<<EOF

The <info>%command.name%</info> command transcribes audio from a Cloud Storage

object asynchronously using the Google Cloud Speech API.

<info>php %command.full_name% gs://my-bucket/audio_file.wav</info>

EOF

)

->setCode(function (InputInterface $input, OutputInterface $output) {

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

if (!preg_match('/^gs:\/\/([a-z0-9\._\-]+)\/(\S+)$/', $audioFile, $matches)) {

throw new \Exception('Invalid file name. Must be gs://[bucket]/[audiofile]');

}

transcribe_async_gcs($audioFile);

});

$application->add(new Command('transcribe-async-words'))

->setDefinition($inputDefinition)

->setDescription('Transcribe an audio file asynchronously and print word time offsets using Google Cloud Speech API')

->setHelp(<<<EOF

The <info>%command.name%</info> command transcribes audio from a file using the

Google Cloud Speech API asynchronously and prints word time offsets.

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

EOF

)

->setCode(function (InputInterface $input, OutputInterface $output) {

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

transcribe_async_words($audioFile);

});

$application->add(new Command('transcribe-stream'))

->setDefinition($inputDefinition)

->setDescription('Transcribe a stream of audio using Google Cloud Speech API')

->setHelp(<<<EOF

The <info>%command.name%</info> command transcribes audio from a stream using

the Google Cloud Speech API.

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

EOF

)

->setCode(function (InputInterface $input, OutputInterface $output) {

streaming_recognize(

$input->getArgument('audio-file')

);

});

// for testing

if (getenv('PHPUNIT_TESTS') === '1') {

return $application;

}

$application->run();