public function doPost(JsonResponse $response, LoggedIn $me, HttpFiles $files, $track_id)
{
$artwork_file = $files->getOrError("artwork_file");
$temp_image = TempFileProvider::generate("", $artwork_file["name"]);
move_uploaded_file($artwork_file["tmp_name"], $temp_image);
$response->write(Songs::changeCover($track_id, $temp_image));
}
/**
* @param $file_name
* @return array
* @throws ApplicationException
*/
public static function generate($file_name)
{
set_time_limit(0);
$temp_file = TempFileProvider::generate("peaks", ".raw");
$command = sprintf("%s -v quiet -i %s -ac 1 -f u8 -ar 11025 -acodec pcm_u8 %s", self::$ffmpeg_cmd, escapeshellarg($file_name), escapeshellarg($temp_file));
shell_exec($command);
if (!file_exists($temp_file)) {
throw new ApplicationException("Waveform could not be generated!");
}
$chunk_size = ceil(filesize($temp_file) / self::PEAKS_RESOLUTION);
$peaks = withOpenedFile($temp_file, "r", function ($fh) use(&$chunk_size) {
while ($data = fread($fh, $chunk_size)) {
$peak = 0;
$array = str_split($data);
foreach ($array as $item) {
$code = ord($item);
if ($code > $peak) {
$peak = $code;
}
if ($code == 255) {
break;
}
}
(yield $peak - 127);
}
});
TempFileProvider::delete($temp_file);
return $peaks;
}
public function doPost(JsonResponse $response, $track_id, HttpFiles $file)
{
$track = $file->getOrError("file");
$decoded_name = urldecode($track["name"]);
$extension = pathinfo($decoded_name, PATHINFO_EXTENSION);
$tm = new Song($track_id);
$temp_file = TempFileProvider::generate("upload", ".{$extension}");
error_log(print_r($track, true));
error_log("Old Exists: " . (file_exists($track["tmp_name"]) ? 1 : 0));
move_uploaded_file($track["tmp_name"], $temp_file);
error_log("New Exists: " . (file_exists($temp_file) ? 1 : 0));
$response->write($tm->upload($temp_file, $decoded_name));
}
/**
* Reads album cover from audio file if possible.
*
* @param $filename
* @return Option
*/
public static function readTempCovers($filename)
{
$escaped_filename = escapeshellarg($filename);
$temp_cover_full = TempFileProvider::generate("cover", ".jpeg");
$temp_cover_middle = TempFileProvider::generate("cover", ".jpeg");
$temp_cover_small = TempFileProvider::generate("cover", ".jpeg");
$command = sprintf(self::$settings->get("command_templates", "make_covers"), self::$settings->get("tools", "ffmpeg_cmd"), $escaped_filename, escapeshellarg($temp_cover_full), escapeshellarg($temp_cover_middle), escapeshellarg($temp_cover_small));
exec($command, $result, $status);
if (file_exists($temp_cover_full) && file_exists($temp_cover_middle) && file_exists($temp_cover_small)) {
return Option::Some([$temp_cover_full, $temp_cover_middle, $temp_cover_small]);
} else {
return Option::None();
}
}
/**
* Reads audio file record from database and generates audio preview.
*/
public function preview()
{
Logger::printf("Requested preview for track %s", $this->track_id);
if ($this->hasPreview()) {
Logger::printf("Track preview is available (file_id is %s)", $this->track_data[TSongs::PREVIEW_ID]);
FileServer::sendToClient($this->track_data[TSongs::PREVIEW_ID]);
return;
}
Logger::printf("Track preview is unavailable");
Logger::printf("Generating new track preview in real time");
header("Content-Type: " . PREVIEW_MIME);
$temp_file = TempFileProvider::generate("preview", ".mp3");
$filename = FileServer::getFileUsingId($this->track_data[TSongs::FILE_ID]);
$command_template = "%s -i %s -bufsize 256k -vn -ab 128k -ac 2 -acodec libmp3lame -f mp3 - | tee %s";
$command = sprintf($command_template, $this->settings->get("tools", "ffmpeg_cmd"), escapeshellarg($filename), escapeshellarg($temp_file));
passthru($command);
$temp_file_id = FileServer::register($temp_file, PREVIEW_MIME);
Logger::printf("New preview registered => %s", $temp_file_id);
SongDao::updateSongUsingId($this->track_id, [TSongs::PREVIEW_ID => $temp_file_id]);
}
<?php
/**
* Created by PhpStorm.
* User: Roman
* Date: 28.07.2015
* Time: 9:30
*/
use app\core\cache\TempFileProvider;
use app\core\etc\Settings;
use app\core\injector\Injector;
use app\libs\WaveformGenerator;
Injector::run(function (Settings $settings) {
WaveformGenerator::setCommand($settings->get("tools", "ffmpeg_cmd"));
TempFileProvider::setTempPath($settings->get("fs", "temp"));
});
public static function registerByContent($file_content, $content_type)
{
$temp_file = TempFileProvider::generate();
file_put_contents($temp_file, $file_content);
return self::register($temp_file, $content_type);
}
