function stream()
{
global $cfg, $db;
$track_id = get('track_id');
$stream_id = (int) get('stream_id');
$sid = get('sid');
$hash = get('hash');
if ($stream_id != -1 && isset($cfg['encode_extension'][$stream_id]) == false) {
header('HTTP/1.1 400 Bad Request');
exit;
}
if ($hash) {
authenticateStream();
} else {
authenticateShareStream();
}
$query = mysql_query('SELECT
LOWER(SUBSTRING_INDEX(relative_file, ".", -1)) AS extension,
track.artist, title, album, album.year, disc, discs, number,
relative_file, mime_type, miliseconds, filesize, filemtime, audio_bitrate
FROM track, album
WHERE track_id = "' . mysql_real_escape_string($track_id) . '"
AND track.album_id = album.album_id');
$track = mysql_fetch_assoc($query);
$file = $cfg['media_dir'] . $track['relative_file'];
if (sourceFile($track['extension'], $track['audio_bitrate'], $stream_id)) {
// Stream from source
streamFile($file, $track['mime_type']);
} elseif ($cache = cacheGetFile($track_id, $stream_id)) {
// Stream from cache
cacheUpdateTag($track_id, $stream_id, $cache);
streamFile($cache, $cfg['encode_mime_type'][$stream_id]);
} else {
// Real time transcode stream
ini_set('zlib.output_compression', 'off');
ini_set('max_execution_time', 0);
if (file_exists(NJB_HOME_DIR . '-')) {
@unlink(NJB_HOME_DIR . '-');
}
$cmd = $cfg['decode_stdout'][$track['extension']] . ' | ' . $cfg['encode_stdout'][$stream_id];
$cmd = str_replace('%source', escapeCmdArg($file), $cmd);
header('Accept-Ranges: none');
header('Content-Type: ' . $cfg['encode_mime_type'][$stream_id]);
if (@passthru($cmd) == false) {
header('HTTP/1.1 500 Internal Server Error');
exit;
}
}
}
function transcode($track_id, $profile)
{
global $cfg, $db;
$query = mysql_query('SELECT
LOWER(SUBSTRING_INDEX(relative_file, ".", -1)) AS extension,
relative_file, miliseconds, filesize, audio_bitrate
FROM track
WHERE track_id = "' . mysql_real_escape_string($track_id) . '"');
$track = mysql_fetch_assoc($query);
$source = $cfg['media_dir'] . $track['relative_file'];
if (sourceFile($track['extension'], $track['audio_bitrate'], $profile)) {
// Return source file
return $source;
} elseif ($file = cacheGetFile($track_id, $profile)) {
cacheUpdateTag($track_id, $profile, $file);
return $file;
} else {
// Return transcoded file
$cache_dir = cacheGetDir($track_id, $profile);
$pathinfo = pathinfo($track['relative_file']);
$destination = $pathinfo['filename'];
$destination = $cache_dir . $destination . '.' . $cfg['encode_extension'][$profile];
// Transcode
if (NJB_WINDOWS) {
$cmd = $cfg['decode_stdout'][$track['extension']] . ' | ' . $cfg['encode_file'][$profile];
} else {
$cmd = $cfg['decode_stdout'][$track['extension']] . ' 2>&1 | ' . $cfg['encode_file'][$profile] . ' 2>&1';
}
$cmd = str_replace('%source', escapeCmdArg($source), $cmd);
$cmd = str_replace('%destination', escapeCmdArg($destination), $cmd);
$cmd_output = array();
$cmd_return = 0;
@exec($cmd, $cmd_output, $cmd_return);
if ($cmd_return != 0) {
message(__FILE__, __LINE__, 'error', '[b]Exec error[/b][br][b]Command:[/b] ' . $cmd . '[br][b]System output:[/b] ' . implode('[br]', $cmd_output) . '[br][b]System return code:[/b] ' . $cmd_return);
}
if (is_file($destination) == false) {
message(__FILE__, __LINE__, 'error', '[b]Destination file not created[/b][br]File: ' . $destination . '[br]Command: ' . $cmd);
}
cacheUpdateTag($track_id, $profile, $destination);
return $destination;
}
}
