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Implemented HBC parser to read all useful info about titles

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Titles, chapters, audio and subtitle streams and metadata are now parsed from the handbrakecli output into title objects.
Source-details page now renders this info
This commit is contained in:
Ben Roberts
2010-03-21 16:12:21 +00:00
parent 0477d7363f
commit 50283e9a9b
7 changed files with 371 additions and 13 deletions
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114
HandBrakeCluster/Rips/Source.class.php
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@@ -1,24 +1,30 @@
<?php
class HandBrakeCluster_Rips_Source {
const PM_TITLE = 0;
const PM_CHAPTER = 1;
const PM_AUDIO = 2;
const PM_SUBTITLE = 3;
protected $source;
protected $output;
protected $titles = array();
public function __construct($source) {
$this->source = $source;
$this->scan();
}
protected function scan() {
$source_shell = escapeshellarg($this->source);
$handbrake_cmd = "HandBrakeCLI -i {$source_shell} -t 0";
$handbrake_cmd = "HandBrakeCLI -i {$source_shell} -t 0";
$handbrake_pid = proc_open($handbrake_cmd, array(
0 => array("pipe", "r"),
1 => array("pipe", "w"),
2 => array("pipe", "w")
0 => array("pipe", "r"),
1 => array("pipe", "w"),
2 => array("pipe", "w")
), $pipes);
$handbrake_output = stream_get_contents($pipes[2]);
@@ -29,19 +35,111 @@ class HandBrakeCluster_Rips_Source {
// Process the output
$lines = explode("\n", $handbrake_output);
$title = null;
$mode = self::PM_TITLE;
foreach ($lines as $line) {
// Skip any line that doesn't begin with a + (with optional leading whitespace)
if ( ! preg_match('/\s*\+/', $line)) {
continue;
}
$matches = array();
switch (true) {
case preg_match('/^\+ title (?P<id>\d+):$/', $line, $matches): {
if ($title) {
$this->addTitle($title);
}
$mode = self::PM_TITLE;
$title = new HandBrakeCluster_Rips_SourceTitle($matches['id']);
} break;
case $title && preg_match('/^ \+ chapters:$/', $line): {
$mode = self::PM_CHAPTER;
} break;
case $title && preg_match('/^ \+ audio tracks:$/', $line): {
$mode = self::PM_AUDIO;
} break;
case $title && preg_match('/^ \+ subtitle tracks:$/', $line): {
$mode = self::PM_SUBTITLE;
} break;
case $title && $mode == self::PM_TITLE && preg_match('/^ \+ duration: (?P<duration>\d+:\d+:\d+)$/', $line, $matches): {
$title->setDuration($matches['duration']);
} break;
case $title && $mode == self::PM_TITLE && preg_match('/^ \+ angle\(s\) (?P<angles>\d+)$/', $line, $matches): {
$title->setAngles($matches['angles']);
} break;
//" + size: 720x576, pixel aspect: 64/45, display aspect: 1.78, 25.000 fps"
case $title && $mode == self::PM_TITLE && preg_match('/^ \+ size: (?P<width>\d+)x(?P<height>\d+), pixel aspect: (?P<pixel_aspect>\d+\/\d+), display aspect: (?P<display_aspect>[\d\.]+), (?<framerate>[\d\.]+) fps$/', $line, $matches): {
$title->setDisplayInfo(
$matches['width'], $matches['height'], $matches['pixel_aspect'],
$matches['display_aspect'], $matches['framerate']
);
} break;
case $title && $mode == self::PM_TITLE && preg_match('/^ \+ autocrop: (?P<autocrop>(?:\d+\/?){4})$/', $line, $matches): {
$title->setAutocrop($matches['autocrop']);
} break;
case $title && $mode == self::PM_CHAPTER && preg_match('/^ \+ (?P<id>\d+): cells \d+->\d+, \d+ blocks, duration (?P<duration>\d+:\d+:\d+)$/', $line, $matches): {
$title->addChapter($matches['id'], $matches['duration']);
} break;
case $title && $mode == self::PM_AUDIO && preg_match('/^ \+ (?P<id>\d+), (?P<name>.+) \((?P<format>.+)\) \((?P<channels>.+) ch\) \((?P<language>.+)\), (?P<samplerate>\d+)Hz, (?P<bitrate>\d+)bps$/', $line, $matches): {
$title->addAudioTrack(
new HandBrakeCluster_Rips_SourceAudioTrack(
$matches['id'], $matches['name'], $matches['format'], $matches['channels'],
$matches['language'], $matches['samplerate'], $matches['bitrate']
)
);
} break;
case $title && $mode == self::PM_SUBTITLE && preg_match('/^ \+ (?P<id>\d+), (?P<name>.+) \((?P<language>.+)\) \((?P<format>.+)\)$/', $line, $matches): {
$title->addSubtitleTrack(
new HandBrakeCluster_Rips_SourceSubtitleTrack(
$matches['id'], $matches['name'], $matches['language'], $matches['format']
)
);
} break;
default: {
// Ignore this unmatched line
} break;
}
$this->output .= $line . "\n";
}
// Handle the last title found as a special case
if ($title) {
$this->addTitle($title);
}
}
public function addTitle(HandBrakeCluster_Rips_SourceTitle $title) {
$this->titles[] = $title;
}
public function output() {
return $this->output;
}
public function titleCount() {
return count($this->titles);
}
public function titles() {
return $this->titles;
}
};
?>