google cloud platform - How to fix av_interleaved_write_frame() broken pipe error in php - Stack Overflow-软件玩家

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I have an issue using ffmpeg to stream audio and parse to google cloud speech to text in PHP.

It returns this output. I have tried delaying some part of the script, that did not solve it. I have also checked for similar questions. however, they are mostly in python and none of the solutions actually work for this.

  built with gcc 8 (GCC)
  cpudetect
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Input #0, mp3, from '.mp3':
  Metadata:
    icy-br          : 96
    icy-description : NPR Program Stream
    icy-genre       : News and Talk
    icy-name        : NPR Program Stream
    icy-pub         : 0
    StreamTitle     :
  Duration: N/A, start: 0.000000, bitrate: 96 kb/s
    Stream #0:0: Audio: mp3, 32000 Hz, stereo, fltp, 96 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (mp3 (mp3float) -> pcm_s16le (native))
Press [q] to stop, [?] for help
Output #0, s16le, to 'pipe:':
  Metadata:
    icy-br          : 96
    icy-description : NPR Program Stream
    icy-genre       : News and Talk
    icy-name        : NPR Program Stream
    icy-pub         : 0
    StreamTitle     :
    encoder         : Lavf58.29.100
    Stream #0:0: Audio: pcm_s16le, 16000 Hz, mono, s16, 256 kb/s
    Metadata:
      encoder         : Lavc58.54.100 pcm_s16le
**av_interleaved_write_frame(): Broken pipe** 256.0kbits/s speed=1.02x
**Error writing trailer of pipe:: Broken pipe**
size=      54kB time=00:00:01.76 bitrate= 250.8kbits/s speed=0.465x
video:0kB audio:55kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Conversion failed!

this is my PHP code

require_once 'vendor/autoload.php';
    
    $projectId = "xxx-45512";
    putenv('GOOGLE_APPLICATION_CREDENTIALS=' . __DIR__ . '/xxx-45512-be3eb805f1d7.json');
    
    // Database connection
    $pdo = new PDO('mysql:host=localhost;dbname=', '', '');
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    
    $url = ".mp3";
    
    $ffmpegCmd = "ffmpeg -re -i $url -acodec pcm_s16le -ac 1 -ar 16000 -f s16le -";
    
    $fp = popen($ffmpegCmd, "r");
    if (!$fp) {
        die("Failed to open FFmpeg stream.");
    }
    sleep(5);

    try {
        $client = new SpeechClient(['transport' => 'grpc', 'credentials' => json_decode(file_get_contents(getenv('GOOGLE_APPLICATION_CREDENTIALS')), true)]);
    } catch (Exception $e) {
        echo 'Error: ' . $e->getMessage(); 
        exit;
    }
    
    $recognitionConfig = new RecognitionConfig([
        'auto_decoding_config' => new AutoDetectDecodingConfig(),
        'language_codes' => ['en-US'],
        'model' => 'long',
    ]);
    
    $streamingConfig = new StreamingRecognitionConfig([
        'config' => $recognitionConfig,
    ]);
    
    $configRequest = new StreamingRecognizeRequest([
        'recognizer' => "projects/$projectId/locations/global/recognizers/_",
        'streaming_config' => $streamingConfig,
    ]);
    
    
    function streamAudio($fp)
    {
        while (!feof($fp)) {
            yield fread($fp, 4096);
        }
    }
    
    $responses = $client->streamingRecognize([
    'requests' => (function () use ($configRequest, $fp) {
            yield $configRequest; // Send initial config
            foreach (streamAudio($fp) as $audioChunk) {
                yield new StreamingRecognizeRequest(['audio' => $audioChunk]);
            }
        })()]
    );
    
    // $responses = $speechClient->streamingRecognize();
    // $responses->writeAll([$request,]);
    
    foreach ($responses as $response) {
        foreach ($response->getResults() as $result) {
            $transcript = $result->getAlternatives()[0]->getTranscript();
            // echo "Transcript: $transcript\n";
    
            // Insert into the database
            $stmt = $pdo->prepare("INSERT INTO transcriptions (transcript) VALUES (:transcript)");
            $stmt->execute(['transcript' => $transcript]);
        }
    }
    
    
    pclose($fp);
    $client->close();

I'm not sure what the issue is at this time.

UPDATE

I've done some more debugging and i have gotten the error to clear and to stream actually starts. However, I expect the audio to transcribe and update my database but instead I get this error when i close the stream

this is my updated code

    $handle = popen($ffmpegCommand, "r");

    try {
        $client = new SpeechClient(['transport' => 'grpc', 'credentials' => json_decode(file_get_contents(getenv('GOOGLE_APPLICATION_CREDENTIALS')), true)]);
    } catch (Exception $e) {
        echo 'Error: ' . $e->getMessage(); 
        exit;
    }
    
    try {
    $recognitionConfig = (new RecognitionConfig())
        ->setAutoDecodingConfig(new AutoDetectDecodingConfig())
        ->setLanguageCodes(['en-US'], ['en-UK'])
        ->setModel('long');
    } catch (Exception $e) {
        echo 'Error: ' . $e->getMessage(); 
        exit;
    }
    
    try {
        $streamConfig = (new StreamingRecognitionConfig())
        ->setConfig($recognitionConfig);
    } catch (Exception $e) {
        echo 'Error: ' . $e->getMessage();
        exit;
    }
    try {
        $configRequest = (new StreamingRecognizeRequest())
        ->setRecognizer("projects/$projectId/locations/global/recognizers/_")
        ->setStreamingConfig($streamConfig);
    } catch (Exception $e) {
        echo 'Error: ' . $e->getMessage(); 
        exit;
    }
    
    $stream = $client->streamingRecognize();
    $stream->write($configRequest);
    
    mysqli_query($conn, "INSERT INTO transcriptions (transcript) VALUES ('bef')");
    
    while (!feof($handle)) {
        $chunk = fread($handle, 25600);
        // printf('chunk: ' . $chunk);
        if ($chunk !== false) {
            try {
                $request = (new StreamingRecognizeRequest())
                        ->setAudio($chunk);
                    $stream->write($request);
            } catch (Exception $e) {
                printf('Errorc: ' . $e->getMessage());
            }
        }
    }
    
    
    $insr = json_encode($stream);
    mysqli_query($conn, "INSERT INTO transcriptions (transcript) VALUES ('$insr')");
    
    foreach ($stream->read() as $response) {
        mysqli_query($conn, "INSERT INTO transcriptions (transcript) VALUES ('loop1')");
        foreach ($response->getResults() as $result) {
            mysqli_query($conn, "INSERT INTO transcriptions (transcript) VALUES ('loop2')");
            foreach ($result->getAlternatives() as $alternative) {
                $trans = $alternative->getTranscript();
                mysqli_query($conn, "INSERT INTO transcriptions (transcript) VALUES ('$trans')");
            }
        }
    }
    
    pclose($handle);
    $stream->close();
    $client->close();```

I have an issue using ffmpeg to stream audio and parse to google cloud speech to text in PHP.

  built with gcc 8 (GCC)
  cpudetect
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Input #0, mp3, from 'https://npr-ice.streamguys1/live.mp3':
  Metadata:
    icy-br          : 96
    icy-description : NPR Program Stream
    icy-genre       : News and Talk
    icy-name        : NPR Program Stream
    icy-pub         : 0
    StreamTitle     :
  Duration: N/A, start: 0.000000, bitrate: 96 kb/s
    Stream #0:0: Audio: mp3, 32000 Hz, stereo, fltp, 96 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (mp3 (mp3float) -> pcm_s16le (native))
Press [q] to stop, [?] for help
Output #0, s16le, to 'pipe:':
  Metadata:
    icy-br          : 96
    icy-description : NPR Program Stream
    icy-genre       : News and Talk
    icy-name        : NPR Program Stream
    icy-pub         : 0
    StreamTitle     :
    encoder         : Lavf58.29.100
    Stream #0:0: Audio: pcm_s16le, 16000 Hz, mono, s16, 256 kb/s
    Metadata:
      encoder         : Lavc58.54.100 pcm_s16le
**av_interleaved_write_frame(): Broken pipe** 256.0kbits/s speed=1.02x
**Error writing trailer of pipe:: Broken pipe**
size=      54kB time=00:00:01.76 bitrate= 250.8kbits/s speed=0.465x
video:0kB audio:55kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Conversion failed!

this is my PHP code

require_once 'vendor/autoload.php';
    
    $projectId = "xxx-45512";
    putenv('GOOGLE_APPLICATION_CREDENTIALS=' . __DIR__ . '/xxx-45512-be3eb805f1d7.json');
    
    // Database connection
    $pdo = new PDO('mysql:host=localhost;dbname=', '', '');
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    
    $url = "https://npr-ice.streamguys1/live.mp3";
    
    $ffmpegCmd = "ffmpeg -re -i $url -acodec pcm_s16le -ac 1 -ar 16000 -f s16le -";
    
    $fp = popen($ffmpegCmd, "r");
    if (!$fp) {
        die("Failed to open FFmpeg stream.");
    }
    sleep(5);

    try {
        $client = new SpeechClient(['transport' => 'grpc', 'credentials' => json_decode(file_get_contents(getenv('GOOGLE_APPLICATION_CREDENTIALS')), true)]);
    } catch (Exception $e) {
        echo 'Error: ' . $e->getMessage(); 
        exit;
    }
    
    $recognitionConfig = new RecognitionConfig([
        'auto_decoding_config' => new AutoDetectDecodingConfig(),
        'language_codes' => ['en-US'],
        'model' => 'long',
    ]);
    
    $streamingConfig = new StreamingRecognitionConfig([
        'config' => $recognitionConfig,
    ]);
    
    $configRequest = new StreamingRecognizeRequest([
        'recognizer' => "projects/$projectId/locations/global/recognizers/_",
        'streaming_config' => $streamingConfig,
    ]);
    
    
    function streamAudio($fp)
    {
        while (!feof($fp)) {
            yield fread($fp, 4096);
        }
    }
    
    $responses = $client->streamingRecognize([
    'requests' => (function () use ($configRequest, $fp) {
            yield $configRequest; // Send initial config
            foreach (streamAudio($fp) as $audioChunk) {
                yield new StreamingRecognizeRequest(['audio' => $audioChunk]);
            }
        })()]
    );
    
    // $responses = $speechClient->streamingRecognize();
    // $responses->writeAll([$request,]);
    
    foreach ($responses as $response) {
        foreach ($response->getResults() as $result) {
            $transcript = $result->getAlternatives()[0]->getTranscript();
            // echo "Transcript: $transcript\n";
    
            // Insert into the database
            $stmt = $pdo->prepare("INSERT INTO transcriptions (transcript) VALUES (:transcript)");
            $stmt->execute(['transcript' => $transcript]);
        }
    }
    
    
    pclose($fp);
    $client->close();

I'm not sure what the issue is at this time.

UPDATE

this is my updated code

    $handle = popen($ffmpegCommand, "r");

    try {
        $client = new SpeechClient(['transport' => 'grpc', 'credentials' => json_decode(file_get_contents(getenv('GOOGLE_APPLICATION_CREDENTIALS')), true)]);
    } catch (Exception $e) {
        echo 'Error: ' . $e->getMessage(); 
        exit;
    }
    
    try {
    $recognitionConfig = (new RecognitionConfig())
        ->setAutoDecodingConfig(new AutoDetectDecodingConfig())
        ->setLanguageCodes(['en-US'], ['en-UK'])
        ->setModel('long');
    } catch (Exception $e) {
        echo 'Error: ' . $e->getMessage(); 
        exit;
    }
    
    try {
        $streamConfig = (new StreamingRecognitionConfig())
        ->setConfig($recognitionConfig);
    } catch (Exception $e) {
        echo 'Error: ' . $e->getMessage();
        exit;
    }
    try {
        $configRequest = (new StreamingRecognizeRequest())
        ->setRecognizer("projects/$projectId/locations/global/recognizers/_")
        ->setStreamingConfig($streamConfig);
    } catch (Exception $e) {
        echo 'Error: ' . $e->getMessage(); 
        exit;
    }
    
    $stream = $client->streamingRecognize();
    $stream->write($configRequest);
    
    mysqli_query($conn, "INSERT INTO transcriptions (transcript) VALUES ('bef')");
    
    while (!feof($handle)) {
        $chunk = fread($handle, 25600);
        // printf('chunk: ' . $chunk);
        if ($chunk !== false) {
            try {
                $request = (new StreamingRecognizeRequest())
                        ->setAudio($chunk);
                    $stream->write($request);
            } catch (Exception $e) {
                printf('Errorc: ' . $e->getMessage());
            }
        }
    }
    
    
    $insr = json_encode($stream);
    mysqli_query($conn, "INSERT INTO transcriptions (transcript) VALUES ('$insr')");
    
    foreach ($stream->read() as $response) {
        mysqli_query($conn, "INSERT INTO transcriptions (transcript) VALUES ('loop1')");
        foreach ($response->getResults() as $result) {
            mysqli_query($conn, "INSERT INTO transcriptions (transcript) VALUES ('loop2')");
            foreach ($result->getAlternatives() as $alternative) {
                $trans = $alternative->getTranscript();
                mysqli_query($conn, "INSERT INTO transcriptions (transcript) VALUES ('$trans')");
            }
        }
    }
    
    pclose($handle);
    $stream->close();
    $client->close();```

Share Improve this question edited Mar 31 at 9:52 asked Mar 31 at 1:06 Adekunle Adeyeye 335 bronze badges

What prevents you from obtaining the diagnostics? From what I see those are **av_interleaved_write_frame(): Broken pipe** 256.0kbits/s speed=1.02x **Error writing trailer of pipe:: Broken pipe**. How are you doing the error handling? And please show an MRE as well, the code is hard to decipher and it could help to have an additional more minimal example. -- Ah now seeing popen(). You probably want proc_open() as you can bind input, output and the diagnostics on their own stream there and track is accordingly. – hakre Commented Mar 31 at 5:08
hello I was able to get that resolved and i've updated my question. thank you. @hakre – Adekunle Adeyeye Commented Mar 31 at 9:13
That's great to read! I'd suggest one more thing though: Please place it as an answer to your own question (encouraged!) instead of editing it into the question as it deserves to be an answer!. If in doubt please see Can I answer my own question? (Q&A Help) – hakre Commented Mar 31 at 10:31
And before I fet it: It's also good to have the text of the screenshot instead of the screenshot alone so it can be searched and also read. As it shows from a terminal this should be easy to copy and paste (in general text is preferred over images even albeit OCR gets better every day). – hakre Commented Mar 31 at 10:37
Yes i was going to do that, but my solution is not complete yet. I can't get any transcriptions even while the stream runs successfully. please can you help with that @hakre – Adekunle Adeyeye Commented Mar 31 at 10:48

| Show 4 more comments

1 Answer 1

Sorted by: Reset to default 1

Finally solved it.

To generate transcripts of an audio from a live source (e.g online radio, e.t.c) using Google cloud speech-to-text API V2 & PHP.

Follow the installation requirements on the google documentation page and then use this code below.

<?php

use Google\ApiCore\ApiException;
use Google\ApiCore\BidiStream;
use Google\Cloud\Speech\V2\AudioEncoding;
use Google\Cloud\Speech\V2\AutoDetectDecodingConfig;
use Google\Cloud\Speech\V2\Client\SpeechClient;
use Google\Cloud\Speech\V2\ExplicitDecodingConfig;
use Google\Cloud\Speech\V2\RecognitionConfig;
use Google\Cloud\Speech\V2\RecognitionFeatures;
use Google\Cloud\Speech\V2\StreamingRecognitionConfig;
use Google\Cloud\Speech\V2\StreamingRecognizeRequest;

$projectId = "xxx-4551";
putenv('GOOGLE_APPLICATION_CREDENTIALS=' . __DIR__ . '/xxx-4551-be3eb805f1d7.json');

$ffmpegInUrl = 'https://npr-ice.streamguys1/live.mp3';
$ffmpegCommand = implode(' ', [
    'ffmpeg', '-user_agent', 'FFmpeg', '-re', '-i', escapeshellarg($ffmpegInUrl),
    '-acodec', 'pcm_s16le', '-ac', '1', '-ar', '16000', '-f', 'wav', 'pipe:1'
]);
$handle = popen($ffmpegCommand, "r");

try {
    $client = new SpeechClient(['transport' => 'grpc', 'credentials' => json_decode(file_get_contents(getenv('GOOGLE_APPLICATION_CREDENTIALS')), true)]);
} catch (Exception $e) {
    echo 'Error: ' . $e->getMessage();
    exit;
}

try {
    $recognitionConfig = (new RecognitionConfig())
        ->setAutoDecodingConfig(new AutoDetectDecodingConfig())
        ->setLanguageCodes(['en-US'], ['en-UK'])
        ->setModel('long');
} catch (Exception $e) {
    echo 'Error: ' . $e->getMessage();
    exit;
}

try {
    $streamConfig = (new StreamingRecognitionConfig())
        ->setConfig($recognitionConfig);
} catch (Exception $e) {
    echo 'Error: ' . $e->getMessage();
    exit;
}
try {
    $configRequest = (new StreamingRecognizeRequest())
        ->setRecognizer("projects/$projectId/locations/global/recognizers/_")
        ->setStreamingConfig($streamConfig);
} catch (Exception $e) {
    echo 'Error: ' . $e->getMessage();
    exit;
}

$stream = $client->streamingRecognize();
$stream->write($configRequest);

while (!feof($handle)) {
    $chunk = fread($handle, 4096);
    if ($chunk !== false && strlen($chunk) > 0) {
        print_r('length_chunk_in');
        try {
            print_r('length_chunk_try: ' . strlen($chunk));
            $request = (new StreamingRecognizeRequest())
                ->setAudio($chunk);
            $stream->write($request);
        } catch (Exception $e) {
            var_dump('length_chunk_fail: ' . $e->getMessage());
        }
    } else {
        var_dump('length_chunk_null : ' . $handle);
    }
}


try {
    print_r('try_processing');
    foreach ($stream->closeWriteAndReadAll() as $response) {
        print_r('processing');
        foreach ($response->getResults() as $result) {
            foreach ($result->getAlternatives() as $alternative) {
                $trans = $alternative->getTranscript();
                mysqli_query($conn, "INSERT INTO transcriptions (transcript) VALUES ('$trans')");
            }
        }
    }
} catch (Google\ApiCore\ApiException $e) {
    if (strpos($e->getMessage(), "Stream timed out") !== false) {
        echo "Stream closed properly.\n";
    } else {
        throw $e;
    }
} finally {

}

pclose($handle);
$client->close();

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