function CheckPythonVideo(&$info)
{
$ret = CheckPythonVisualMetrics($failures);
if (!$ret) {
if (isset($failures)) {
$info = 'Missing python modules: ' . implode(',', $failures);
} else {
$info = 'Error running "python video/visualmetrics.py -c"';
}
}
return $ret;
}
/**
* Run the python version of the video extraction if it is available.
* It is much faster for generating the histograms.
*
* @param mixed $videoFile
* @param mixed $videoDir
* @param mixed $devToolsFile
*/
function PythonVisualMetrics($videoFile, $videoDir, $testPath, $run, $cached)
{
$ret = false;
if (CheckPythonVisualMetrics($failures)) {
if (is_file(__DIR__ . '/visualmetrics.py')) {
$script = realpath(__DIR__ . '/visualmetrics.py');
$histograms = "{$testPath}/{$run}.{$cached}.histograms.json.gz";
$timeline = "{$testPath}/{$run}{$cachedText}_devtools.json.gz";
if (is_file($timeline)) {
$timeline = realpath($timeline);
} else {
unset($timeline);
}
touch($histograms);
if (is_file($histograms)) {
$histograms = realpath($histograms);
unlink($histograms);
} else {
unset($histograms);
}
$command = "python \"{$script}\" -i \"{$videoFile}\" -d \"{$videoDir}\" --orange --viewport --force --quality 75";
if (isset($histograms)) {
$command .= " --histogram \"{$histograms}\"";
}
if (isset($timeline)) {
$command .= " --timeline \"{$timeline}\"";
}
$command .= " 2>&1";
exec($command, $output, $result);
if (is_file("{$videoDir}/ms_000000.jpg")) {
$ret = true;
}
}
}
return $ret;
}
