593 lines
16 KiB
PHP
593 lines
16 KiB
PHP
<?php
|
|
/**
|
|
* VideoDownload class.
|
|
*/
|
|
|
|
namespace Alltube;
|
|
|
|
use Alltube\Exception\EmptyUrlException;
|
|
use Alltube\Exception\PasswordException;
|
|
use Exception;
|
|
use GuzzleHttp\Client;
|
|
use GuzzleHttp\Psr7\Response;
|
|
use stdClass;
|
|
use Symfony\Component\Process\Process;
|
|
|
|
/**
|
|
* Extract info about videos.
|
|
*
|
|
* Due to the way youtube-dl behaves, this class can also contain information about a playlist.
|
|
*
|
|
* @property-read string $title Title
|
|
* @property-read string $protocol Network protocol (HTTP, RTMP, etc.)
|
|
* @property-read string $url File URL
|
|
* @property-read string $ext File extension
|
|
* @property-read string $extractor_key youtube-dl extractor class used
|
|
* @property-read array $entries List of videos (if the object contains information about a playlist)
|
|
* @property-read array $rtmp_conn
|
|
* @property-read string|null $_type Object type (usually "playlist" or null)
|
|
* @property-read stdClass $downloader_options
|
|
*/
|
|
class Video
|
|
{
|
|
/**
|
|
* Config instance.
|
|
*
|
|
* @var Config
|
|
*/
|
|
private $config;
|
|
|
|
/**
|
|
* URL of the page containing the video.
|
|
*
|
|
* @var string
|
|
*/
|
|
private $webpageUrl;
|
|
|
|
/**
|
|
* Requested video format.
|
|
*
|
|
* @var string
|
|
*/
|
|
private $requestedFormat;
|
|
|
|
/**
|
|
* Password.
|
|
*
|
|
* @var string|null
|
|
*/
|
|
private $password;
|
|
|
|
/**
|
|
* JSON object returned by youtube-dl.
|
|
*
|
|
* @var stdClass
|
|
*/
|
|
private $json;
|
|
|
|
/**
|
|
* URLs of the video files.
|
|
*
|
|
* @var array
|
|
*/
|
|
private $urls;
|
|
|
|
/**
|
|
* VideoDownload constructor.
|
|
*
|
|
* @param string $webpageUrl URL of the page containing the video
|
|
* @param string $requestedFormat Requested video format
|
|
* @param string $password Password
|
|
*/
|
|
public function __construct($webpageUrl, $requestedFormat = 'best', $password = null)
|
|
{
|
|
$this->webpageUrl = $webpageUrl;
|
|
$this->requestedFormat = $requestedFormat;
|
|
$this->password = $password;
|
|
$this->config = Config::getInstance();
|
|
}
|
|
|
|
/**
|
|
* Return a youtube-dl process with the specified arguments.
|
|
*
|
|
* @param string[] $arguments Arguments
|
|
*
|
|
* @return Process
|
|
*/
|
|
private static function getProcess(array $arguments)
|
|
{
|
|
$config = Config::getInstance();
|
|
|
|
return new Process(
|
|
array_merge(
|
|
[$config->python, $config->youtubedl],
|
|
$config->params,
|
|
$arguments
|
|
)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* List all extractors.
|
|
*
|
|
* @return string[] Extractors
|
|
* */
|
|
public static function getExtractors()
|
|
{
|
|
return explode("\n", trim(self::callYoutubedl(['--list-extractors'])));
|
|
}
|
|
|
|
/**
|
|
* Call youtube-dl.
|
|
*
|
|
* @param array $arguments Arguments
|
|
*
|
|
* @throws PasswordException If the video is protected by a password and no password was specified
|
|
* @throws Exception If the password is wrong
|
|
* @throws Exception If youtube-dl returns an error
|
|
*
|
|
* @return string Result
|
|
*/
|
|
private static function callYoutubedl(array $arguments)
|
|
{
|
|
$config = Config::getInstance();
|
|
|
|
$process = self::getProcess($arguments);
|
|
//This is needed by the openload extractor because it runs PhantomJS
|
|
$process->setEnv(['PATH'=>$config->phantomjsDir]);
|
|
$process->inheritEnvironmentVariables();
|
|
$process->run();
|
|
if (!$process->isSuccessful()) {
|
|
$errorOutput = trim($process->getErrorOutput());
|
|
$exitCode = $process->getExitCode();
|
|
if ($errorOutput == 'ERROR: This video is protected by a password, use the --video-password option') {
|
|
throw new PasswordException($errorOutput, $exitCode);
|
|
} elseif (substr($errorOutput, 0, 21) == 'ERROR: Wrong password') {
|
|
throw new Exception(_('Wrong password'), $exitCode);
|
|
} else {
|
|
throw new Exception($errorOutput, $exitCode);
|
|
}
|
|
} else {
|
|
return trim($process->getOutput());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get a property from youtube-dl.
|
|
*
|
|
* @param string $prop Property
|
|
*
|
|
* @return string
|
|
*/
|
|
private function getProp($prop = 'dump-json')
|
|
{
|
|
$arguments = ['--'.$prop];
|
|
|
|
if (isset($this->webpageUrl)) {
|
|
$arguments[] = $this->webpageUrl;
|
|
}
|
|
if (isset($this->requestedFormat)) {
|
|
$arguments[] = '-f';
|
|
$arguments[] = $this->requestedFormat;
|
|
}
|
|
if (isset($this->password)) {
|
|
$arguments[] = '--video-password';
|
|
$arguments[] = $this->password;
|
|
}
|
|
|
|
return $this::callYoutubedl($arguments);
|
|
}
|
|
|
|
/**
|
|
* Get all information about a video.
|
|
*
|
|
* @return stdClass Decoded JSON
|
|
* */
|
|
public function getJson()
|
|
{
|
|
if (!isset($this->json)) {
|
|
$this->json = json_decode($this->getProp('dump-single-json'));
|
|
}
|
|
|
|
return $this->json;
|
|
}
|
|
|
|
/**
|
|
* Magic method to get a property from the JSON object returned by youtube-dl.
|
|
*
|
|
* @param string $name Property
|
|
*
|
|
* @return mixed
|
|
*/
|
|
public function __get($name)
|
|
{
|
|
if (isset($this->$name)) {
|
|
return $this->getJson()->$name;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Magic method to check if the JSON object returned by youtube-dl has a property.
|
|
*
|
|
* @param string $name Property
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function __isset($name)
|
|
{
|
|
return isset($this->getJson()->$name);
|
|
}
|
|
|
|
/**
|
|
* Get URL of video from URL of page.
|
|
*
|
|
* It generally returns only one URL.
|
|
* But it can return two URLs when multiple formats are specified
|
|
* (eg. bestvideo+bestaudio).
|
|
*
|
|
* @return string[] URLs of video
|
|
* */
|
|
public function getUrl()
|
|
{
|
|
// Cache the URLs.
|
|
if (!isset($this->urls)) {
|
|
$this->urls = explode("\n", $this->getProp('get-url'));
|
|
|
|
if (empty($urls[0])) {
|
|
throw new EmptyUrlException(_('youtube-dl returned an empty URL.'));
|
|
}
|
|
}
|
|
|
|
return $this->urls;
|
|
}
|
|
|
|
/**
|
|
* Get filename of video file from URL of page.
|
|
*
|
|
* @return string Filename of extracted video
|
|
* */
|
|
public function getFilename()
|
|
{
|
|
return trim($this->getProp('get-filename'));
|
|
}
|
|
|
|
/**
|
|
* Get filename of video with the specified extension.
|
|
*
|
|
* @param string $extension New file extension
|
|
*
|
|
* @return string Filename of extracted video with specified extension
|
|
*/
|
|
public function getFileNameWithExtension($extension)
|
|
{
|
|
return html_entity_decode(
|
|
pathinfo(
|
|
$this->getFilename(),
|
|
PATHINFO_FILENAME
|
|
).'.'.$extension,
|
|
ENT_COMPAT,
|
|
'ISO-8859-1'
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Return arguments used to run rtmp for a specific video.
|
|
*
|
|
* @return array Arguments
|
|
*/
|
|
private function getRtmpArguments()
|
|
{
|
|
$arguments = [];
|
|
|
|
if ($this->protocol == 'rtmp') {
|
|
foreach ([
|
|
'url' => '-rtmp_tcurl',
|
|
'webpage_url' => '-rtmp_pageurl',
|
|
'player_url' => '-rtmp_swfverify',
|
|
'flash_version' => '-rtmp_flashver',
|
|
'play_path' => '-rtmp_playpath',
|
|
'app' => '-rtmp_app',
|
|
] as $property => $option) {
|
|
if (isset($this->{$property})) {
|
|
$arguments[] = $option;
|
|
$arguments[] = $this->{$property};
|
|
}
|
|
}
|
|
|
|
if (isset($this->rtmp_conn)) {
|
|
foreach ($this->rtmp_conn as $conn) {
|
|
$arguments[] = '-rtmp_conn';
|
|
$arguments[] = $conn;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $arguments;
|
|
}
|
|
|
|
/**
|
|
* Check if a command runs successfully.
|
|
*
|
|
* @param array $command Command and arguments
|
|
*
|
|
* @return bool False if the command returns an error, true otherwise
|
|
*/
|
|
public static function checkCommand(array $command)
|
|
{
|
|
$process = new Process($command);
|
|
$process->run();
|
|
|
|
return $process->isSuccessful();
|
|
}
|
|
|
|
/**
|
|
* Get a process that runs avconv in order to convert a video.
|
|
*
|
|
* @param int $audioBitrate Audio bitrate of the converted file
|
|
* @param string $filetype Filetype of the converted file
|
|
* @param bool $audioOnly True to return an audio-only file
|
|
* @param string $from Start the conversion at this time
|
|
* @param string $to End the conversion at this time
|
|
*
|
|
* @throws Exception If avconv/ffmpeg is missing
|
|
*
|
|
* @return Process Process
|
|
*/
|
|
private function getAvconvProcess(
|
|
$audioBitrate,
|
|
$filetype = 'mp3',
|
|
$audioOnly = true,
|
|
$from = null,
|
|
$to = null
|
|
) {
|
|
if (!$this->checkCommand([$this->config->avconv, '-version'])) {
|
|
throw new Exception(_('Can\'t find avconv or ffmpeg at ').$this->config->avconv.'.');
|
|
}
|
|
|
|
$durationRegex = '/(\d+:)?(\d+:)?(\d+)/';
|
|
|
|
$afterArguments = [];
|
|
|
|
if ($audioOnly) {
|
|
$afterArguments[] = '-vn';
|
|
}
|
|
|
|
if (!empty($from)) {
|
|
if (!preg_match($durationRegex, $from)) {
|
|
throw new Exception(_('Invalid start time: ').$from.'.');
|
|
}
|
|
$afterArguments[] = '-ss';
|
|
$afterArguments[] = $from;
|
|
}
|
|
if (!empty($to)) {
|
|
if (!preg_match($durationRegex, $to)) {
|
|
throw new Exception(_('Invalid end time: ').$to.'.');
|
|
}
|
|
$afterArguments[] = '-to';
|
|
$afterArguments[] = $to;
|
|
}
|
|
|
|
$urls = $this->getUrl();
|
|
|
|
$arguments = array_merge(
|
|
[
|
|
$this->config->avconv,
|
|
'-v', $this->config->avconvVerbosity,
|
|
],
|
|
$this->getRtmpArguments(),
|
|
[
|
|
'-i', $urls[0],
|
|
'-f', $filetype,
|
|
'-b:a', $audioBitrate.'k',
|
|
],
|
|
$afterArguments,
|
|
[
|
|
'pipe:1',
|
|
]
|
|
);
|
|
|
|
//Vimeo needs a correct user-agent
|
|
$arguments[] = '-user_agent';
|
|
$arguments[] = $this->getProp('dump-user-agent');
|
|
|
|
return new Process($arguments);
|
|
}
|
|
|
|
/**
|
|
* Get audio stream of converted video.
|
|
*
|
|
* @param string $from Start the conversion at this time
|
|
* @param string $to End the conversion at this time
|
|
*
|
|
* @throws Exception If your try to convert an M3U8 video
|
|
* @throws Exception If the popen stream was not created correctly
|
|
*
|
|
* @return resource popen stream
|
|
*/
|
|
public function getAudioStream($from = null, $to = null)
|
|
{
|
|
if (isset($this->_type) && $this->_type == 'playlist') {
|
|
throw new Exception(_('Conversion of playlists is not supported.'));
|
|
}
|
|
|
|
if (isset($this->protocol)) {
|
|
if (in_array($this->protocol, ['m3u8', 'm3u8_native'])) {
|
|
throw new Exception(_('Conversion of M3U8 files is not supported.'));
|
|
} elseif ($this->protocol == 'http_dash_segments') {
|
|
throw new Exception(_('Conversion of DASH segments is not supported.'));
|
|
}
|
|
}
|
|
|
|
$avconvProc = $this->getAvconvProcess($this->config->audioBitrate, 'mp3', true, $from, $to);
|
|
|
|
$stream = popen($avconvProc->getCommandLine(), 'r');
|
|
|
|
if (!is_resource($stream)) {
|
|
throw new Exception(_('Could not open popen stream.'));
|
|
}
|
|
|
|
return $stream;
|
|
}
|
|
|
|
/**
|
|
* Get video stream from an M3U playlist.
|
|
*
|
|
* @throws Exception If avconv/ffmpeg is missing
|
|
* @throws Exception If the popen stream was not created correctly
|
|
*
|
|
* @return resource popen stream
|
|
*/
|
|
public function getM3uStream()
|
|
{
|
|
if (!$this->checkCommand([$this->config->avconv, '-version'])) {
|
|
throw new Exception(_('Can\'t find avconv or ffmpeg at ').$this->config->avconv.'.');
|
|
}
|
|
|
|
$urls = $this->getUrl();
|
|
|
|
$process = new Process(
|
|
[
|
|
$this->config->avconv,
|
|
'-v', $this->config->avconvVerbosity,
|
|
'-i', $urls[0],
|
|
'-f', $this->ext,
|
|
'-c', 'copy',
|
|
'-bsf:a', 'aac_adtstoasc',
|
|
'-movflags', 'frag_keyframe+empty_moov',
|
|
'pipe:1',
|
|
]
|
|
);
|
|
|
|
$stream = popen($process->getCommandLine(), 'r');
|
|
if (!is_resource($stream)) {
|
|
throw new Exception(_('Could not open popen stream.'));
|
|
}
|
|
|
|
return $stream;
|
|
}
|
|
|
|
/**
|
|
* Get an avconv stream to remux audio and video.
|
|
*
|
|
* @throws Exception If the popen stream was not created correctly
|
|
*
|
|
* @return resource popen stream
|
|
*/
|
|
public function getRemuxStream()
|
|
{
|
|
$urls = $this->getUrl();
|
|
|
|
if (!isset($urls[0]) || !isset($urls[1])) {
|
|
throw new Exception(_('This video does not have two URLs.'));
|
|
}
|
|
|
|
$process = new Process(
|
|
[
|
|
$this->config->avconv,
|
|
'-v', $this->config->avconvVerbosity,
|
|
'-i', $urls[0],
|
|
'-i', $urls[1],
|
|
'-c', 'copy',
|
|
'-map', '0:v:0 ',
|
|
'-map', '1:a:0',
|
|
'-f', 'matroska',
|
|
'pipe:1',
|
|
]
|
|
);
|
|
|
|
$stream = popen($process->getCommandLine(), 'r');
|
|
if (!is_resource($stream)) {
|
|
throw new Exception(_('Could not open popen stream.'));
|
|
}
|
|
|
|
return $stream;
|
|
}
|
|
|
|
/**
|
|
* Get video stream from an RTMP video.
|
|
*
|
|
* @throws Exception If the popen stream was not created correctly
|
|
*
|
|
* @return resource popen stream
|
|
*/
|
|
public function getRtmpStream()
|
|
{
|
|
$urls = $this->getUrl();
|
|
|
|
$process = new Process(
|
|
array_merge(
|
|
[
|
|
$this->config->avconv,
|
|
'-v', $this->config->avconvVerbosity,
|
|
],
|
|
$this->getRtmpArguments(),
|
|
[
|
|
'-i', $urls[0],
|
|
'-f', $this->ext,
|
|
'pipe:1',
|
|
]
|
|
)
|
|
);
|
|
$stream = popen($process->getCommandLine(), 'r');
|
|
if (!is_resource($stream)) {
|
|
throw new Exception(_('Could not open popen stream.'));
|
|
}
|
|
|
|
return $stream;
|
|
}
|
|
|
|
/**
|
|
* Get the stream of a converted video.
|
|
*
|
|
* @param int $audioBitrate Audio bitrate of the converted file
|
|
* @param string $filetype Filetype of the converted file
|
|
*
|
|
* @throws Exception If your try to convert and M3U8 video
|
|
* @throws Exception If the popen stream was not created correctly
|
|
*
|
|
* @return resource popen stream
|
|
*/
|
|
public function getConvertedStream($audioBitrate, $filetype)
|
|
{
|
|
if (in_array($this->protocol, ['m3u8', 'm3u8_native'])) {
|
|
throw new Exception(_('Conversion of M3U8 files is not supported.'));
|
|
}
|
|
|
|
$avconvProc = $this->getAvconvProcess($audioBitrate, $filetype, false);
|
|
|
|
$stream = popen($avconvProc->getCommandLine(), 'r');
|
|
|
|
if (!is_resource($stream)) {
|
|
throw new Exception(_('Could not open popen stream.'));
|
|
}
|
|
|
|
return $stream;
|
|
}
|
|
|
|
/**
|
|
* Get the same video but with another format.
|
|
*
|
|
* @param string $format New format
|
|
*
|
|
* @return Video
|
|
*/
|
|
public function withFormat($format)
|
|
{
|
|
return new self($this->webpageUrl, $format, $this->password);
|
|
}
|
|
|
|
/**
|
|
* Get a HTTP response containing the video.
|
|
*
|
|
* @param array $headers HTTP headers of the request
|
|
*
|
|
* @return Response
|
|
*/
|
|
public function getHttpResponse(array $headers = [])
|
|
{
|
|
$client = new Client();
|
|
$urls = $this->getUrl();
|
|
|
|
return $client->request('GET', $urls[0], ['stream' => true, 'headers' => $headers]);
|
|
}
|
|
}
|