/**
* Create a merged list of all allowed photo and movie extensions.
*/
static function get_extensions()
{
$extensions = legal_file::get_photo_extensions();
if (movie::find_ffmpeg()) {
$extensions = array_merge($extensions, legal_file::get_movie_extensions());
}
return $extensions;
}
public function render()
{
$v = new View("form_uploadify.html");
$v->album = $this->data["album"];
$v->script_data = $this->data["script_data"];
$v->simultaneous_upload_limit = module::get_var("gallery", "simultaneous_upload_limit");
$v->movies_allowed = (bool) movie::find_ffmpeg();
$v->suhosin_session_encrypt = (bool) ini_get("suhosin.session.encrypt");
return $v;
}
private function _print_view($form)
{
list($ffmpeg_version, $ffmpeg_date) = movie::get_ffmpeg_version();
$ffmpeg_version = $ffmpeg_date ? "{$ffmpeg_version} ({$ffmpeg_date})" : $ffmpeg_version;
$ffmpeg_path = movie::find_ffmpeg();
$ffmpeg_dir = substr($ffmpeg_path, 0, strrpos($ffmpeg_path, "/"));
$view = new Admin_View("admin.html");
$view->page_title = t("Movies settings");
$view->content = new View("admin_movies.html");
$view->content->form = $form;
$view->content->ffmpeg_dir = $ffmpeg_dir;
$view->content->ffmpeg_version = $ffmpeg_version;
print $view;
}
static function get_movie_time($item)
{
$ffmpeg = movie::find_ffmpeg();
if (empty($ffmpeg)) {
return t("00:00");
}
$cmd = escapeshellcmd($ffmpeg) . " -i " . escapeshellarg($item->file_path()) . " 2>&1";
$result = `{$cmd}`;
if (preg_match("/Duration: (\\d+):(\\d+):(\\d+\\.\\d+)/", $result, $regs)) {
return 3600 * $regs[1] + 60 * $regs[2] + $regs[3];
} else {
if (preg_match("/duration.*?:.*?(\\d+)/", $result, $regs)) {
return $regs[1];
} else {
return '00';
}
}
}
/**
* Return the width, height, mime_type and extension of the given movie file.
*/
static function get_file_metadata($file_path)
{
$ffmpeg = movie::find_ffmpeg();
if (empty($ffmpeg)) {
throw new Exception("@todo MISSING_FFMPEG");
}
$cmd = escapeshellcmd($ffmpeg) . " -i " . escapeshellarg($file_path) . " 2>&1";
$result = `{$cmd}`;
if (preg_match("/Stream.*?Video:.*?, (\\d+)x(\\d+)/", $result, $regs)) {
list($width, $height) = array($regs[1], $regs[2]);
} else {
list($width, $height) = array(0, 0);
}
$pi = pathinfo($file_path);
$extension = isset($pi["extension"]) ? $pi["extension"] : "flv";
// No extension? Assume FLV.
$mime_type = in_array(strtolower($extension), array("mp4", "m4v")) ? "video/mp4" : "video/x-flv";
return array($width, $height, $mime_type, $extension);
}
/**
* Return the width, height, mime_type, extension and duration of the given movie file.
* Metadata is first generated using ffmpeg (or set to defaults if it fails),
* then can be modified by other modules using movie_get_file_metadata events.
*
* This function and its use cases are symmetric to those of photo::get_file_metadata.
*
* @param string $file_path
* @return array array($width, $height, $mime_type, $extension, $duration)
*
* Use cases in detail:
* Input is standard movie type (flv/mp4/m4v)
* -> return metadata from ffmpeg
* Input is *not* standard movie type that is supported by ffmpeg (e.g. avi, mts...)
* -> return metadata from ffmpeg
* Input is *not* standard movie type that is *not* supported by ffmpeg but is legal
* -> return zero width, height, and duration; mime type and extension according to legal_file
* Input is illegal, unidentifiable, unreadable, or does not exist
* -> throw exception
* Note: movie_get_file_metadata events can change any of the above cases (except the last one).
*/
static function get_file_metadata($file_path)
{
if (!is_readable($file_path)) {
throw new Exception("@todo UNREADABLE_FILE");
}
$metadata = new stdClass();
$ffmpeg = movie::find_ffmpeg();
if (!empty($ffmpeg)) {
// ffmpeg found - use it to get width, height, and duration.
$cmd = escapeshellcmd($ffmpeg) . " -i " . escapeshellarg($file_path) . " 2>&1";
$result = `{$cmd}`;
if (preg_match("/Stream.*?Video:.*?, (\\d+)x(\\d+)/", $result, $matches_res)) {
if (preg_match("/Stream.*?Video:.*? \\[.*?DAR (\\d+):(\\d+).*?\\]/", $result, $matches_dar) && $matches_dar[1] >= 1 && $matches_dar[2] >= 1) {
// DAR is defined - determine width based on height and DAR
// (should always be int, but adding round to be sure)
$matches_res[1] = round($matches_res[2] * $matches_dar[1] / $matches_dar[2]);
}
list($metadata->width, $metadata->height) = array($matches_res[1], $matches_res[2]);
} else {
list($metadata->width, $metadata->height) = array(0, 0);
}
if (preg_match("/Duration: (\\d+:\\d+:\\d+\\.\\d+)/", $result, $matches)) {
$metadata->duration = movie::hhmmssdd_to_seconds($matches[1]);
} else {
if (preg_match("/duration.*?:.*?(\\d+)/", $result, $matches)) {
$metadata->duration = $matches[1];
} else {
$metadata->duration = 0;
}
}
} else {
// ffmpeg not found - set width, height, and duration to zero.
$metadata->width = 0;
$metadata->height = 0;
$metadata->duration = 0;
}
$extension = pathinfo($file_path, PATHINFO_EXTENSION);
if (!$extension || !($metadata->mime_type = legal_file::get_movie_types_by_extension($extension))) {
// Extension is empty or illegal.
$metadata->extension = null;
$metadata->mime_type = null;
} else {
// Extension is legal (and mime is already set above).
$metadata->extension = strtolower($extension);
}
// Run movie_get_file_metadata events which can modify the class.
module::event("movie_get_file_metadata", $file_path, $metadata);
// If the post-events results are invalid, throw an exception. Note that, unlike photos, having
// zero width and height isn't considered invalid (as is the case when FFmpeg isn't installed).
if (!$metadata->mime_type || !$metadata->extension || $metadata->mime_type != legal_file::get_movie_types_by_extension($metadata->extension)) {
throw new Exception("@todo ILLEGAL_OR_UNINDENTIFIABLE_FILE");
}
return array($metadata->width, $metadata->height, $metadata->mime_type, $metadata->extension, $metadata->duration);
}
/**
* Return the width, height, mime_type, extension and duration of the given movie file.
*/
static function get_file_metadata($file_path)
{
$ffmpeg = movie::find_ffmpeg();
if (empty($ffmpeg)) {
throw new Exception("@todo MISSING_FFMPEG");
}
$cmd = escapeshellcmd($ffmpeg) . " -i " . escapeshellarg($file_path) . " 2>&1";
$result = `{$cmd}`;
if (preg_match("/Stream.*?Video:.*?, (\\d+)x(\\d+)/", $result, $matches_res)) {
if (preg_match("/Stream.*?Video:.*? \\[.*?DAR (\\d+):(\\d+).*?\\]/", $result, $matches_dar) && $matches_dar[1] >= 1 && $matches_dar[2] >= 1) {
// DAR is defined - determine width based on height and DAR
// (should always be int, but adding round to be sure)
$matches_res[1] = round($matches_res[2] * $matches_dar[1] / $matches_dar[2]);
}
list($width, $height) = array($matches_res[1], $matches_res[2]);
} else {
list($width, $height) = array(0, 0);
}
$extension = strtolower(pathinfo($file_path, PATHINFO_EXTENSION));
$extension = $extension ? $extension : "flv";
// No extension? Assume FLV.
$mime_type = legal_file::get_movie_types_by_extension($extension);
$mime_type = $mime_type ? $mime_type : "video/x-flv";
// No MIME found? Default to video/x-flv.
if (preg_match("/Duration: (\\d+):(\\d+):(\\d+\\.\\d+)/", $result, $matches)) {
$duration = 3600 * $matches[1] + 60 * $matches[2] + $matches[3];
} else {
if (preg_match("/duration.*?:.*?(\\d+)/", $result, $matches)) {
$duration = $matches[1];
} else {
$duration = 0;
}
}
return array($width, $height, $mime_type, $extension, $duration);
}
