DVR file_list reader v1

dvr_v1.php

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

// Build a schema that defines the structure of the binary file
$schema = new Binary\Schema;
$schema

    // 96 bytes of bullshit at the head of the file
    // Probably does have some meaning, but right now be silly and skip it with a Padding field
    ->addField(
        (new \Binary\Field\Padding())
            ->setSize(new \Binary\Field\Property\Property(96))
    )

    // Add a compound field which will be a repeating block of several fields
    // These will contain the name and alarm flag
    ->addField(

        (new \Binary\Field\Compound())

        // For now, we'll read 5 records from the file
        // Need to figure out how to read the header to work out how many there will be total...
        ->setName('records')
        ->setCount(new \Binary\Field\Property\Property(5))

        // Skip 8 bytes of random fluff
        ->addField(
            (new \Binary\Field\Padding())
                ->setSize(new \Binary\Field\Property\Property(8))
        )

        // Read the filename - stupidly assume it will always be 80b long, may not be true...
        ->addField(
            (new \Binary\Field\Text())
                ->setName('filename')
                ->setSize(new \Binary\Field\Property\Property(80))
        )

        // Skip 24 bytes of random fluff (mostly 0x00 bytes...)
        ->addField(
            (new \Binary\Field\Padding())
                ->setSize(new \Binary\Field\Property\Property(24))
        )

        // Read the alarm status of this record
        ->addField(
            (new \Binary\Field\UnsignedInteger())
                ->setName('is_alarm')
                ->setSize(new \Binary\Field\Property\Property(1))
        )

        // Skip 23 bytes of random fluff, upto the end of this record
        ->addField(
            (new \Binary\Field\Padding())
                ->setSize(new \Binary\Field\Property\Property(23))
        )

    )
;

// Open the DVR data file
$stream = new Binary\Stream\FileStream(
    fopen('file_list.damo.8-11-2014.bin', 'r')
);

// Read the file
$result = $schema->readStream($stream);

// Show it
print_r($result);