public function register()
{
$this->opo_config = Configuration::load();
$vs_external_app_config_path = $this->opo_config->get('external_applications');
$this->opo_external_app_config = Configuration::load($vs_external_app_config_path);
$this->ops_path_to_ffmpeg = $this->opo_external_app_config->get('ffmpeg_app');
$this->ops_mediainfo_path = caGetExternalApplicationPath('mediainfo');
$this->opb_mediainfo_available = caMediaInfoInstalled();
$this->opb_ffmpeg_available = caMediaPluginFFmpegInstalled($this->ops_path_to_ffmpeg);
$this->info["INSTANCE"] = $this;
return $this->info;
}
/**
*
*/
public function writeClip($ps_filepath, $ps_start, $ps_end, $pa_options = null)
{
if (!caMediaPluginFFmpegInstalled()) {
return false;
}
$o_tc = new TimecodeParser();
$vn_start = $vn_end = null;
if ($o_tc->parse($ps_start)) {
$vn_start = $o_tc->getSeconds();
}
if ($o_tc->parse($ps_end)) {
$vn_end = $o_tc->getSeconds();
}
if (!$vn_start || !$vn_end) {
return null;
}
if ($vn_start >= $vn_end) {
return null;
}
$vn_duration = $vn_end - $vn_start;
exec(caGetExternalApplicationPath('ffmpeg') . " -i " . caEscapeShellArg($this->filepath) . " -f mp4 -vcodec libx264 -acodec mp3 -t {$vn_duration} -y -ss {$vn_start} " . caEscapeShellArg($ps_filepath) . (caIsPOSIX() ? " 2> /dev/null" : ""), $va_output, $vn_return);
if ($vn_return != 0) {
@unlink($ps_filepath);
$this->postError(1610, _t("Error extracting clip from %1 to %2: %3", $ps_start, $ps_end, join("; ", $va_output)), "WLPlugVideo->writeClip()");
return false;
}
return true;
}
public function write($filepath, $mimetype, $pa_options = null)
{
if (!$this->handle) {
return false;
}
if (!($ext = $this->info["EXPORT"][$mimetype])) {
# this plugin can't write this mimetype
return false;
}
# is mimetype valid?
switch ($mimetype) {
# ------------------------------------
case 'image/jpeg':
$vn_preview_width = $this->properties["width"];
$vn_preview_height = $this->properties["height"];
if (caMediaPluginFFmpegInstalled($this->ops_path_to_ffmpeg)) {
if (($vn_start_secs = $this->properties["duration"] / 8) > 120) {
$vn_start_secs = 120;
// always take a frame from the first two minutes to ensure performance (ffmpeg gets slow if it has to seek far into a movie to extract a frame)
}
exec($this->ops_path_to_ffmpeg . " -ss " . $vn_start_secs . " -i " . caEscapeShellArg($this->filepath) . " -f mjpeg -t 0.001 -y " . caEscapeShellArg($filepath . "." . $ext) . (caIsPOSIX() ? " 2> /dev/null" : ""), $va_output, $vn_return);
if ($vn_return < 0 || $vn_return > 1 || !@filesize($filepath . "." . $ext)) {
@unlink($filepath . "." . $ext);
// don't throw error as ffmpeg cannot generate frame still from all files
} else {
// resize image to desired dimensions
$o_media = new Media();
$o_media->read($filepath . "." . $ext);
$o_media->transform('SCALE', array('width' => $vn_preview_width, 'height' => $vn_preview_height, 'mode' => 'bounding_box', 'antialiasing' => 0.5));
$o_media->write($filepath . "_tmp", 'image/jpeg', array());
if (!$o_media->numErrors()) {
rename($filepath . "_tmp." . $ext, $filepath . "." . $ext);
} else {
@unlink($filepath . "_tmp." . $ext);
}
}
}
// if output file doesn't exist, ffmpeg failed or isn't installed
// so use default icons
if (!file_exists($filepath . "." . $ext)) {
return __CA_MEDIA_VIDEO_DEFAULT_ICON__;
}
$this->properties["mimetype"] = $mimetype;
$this->properties["typename"] = isset($this->typenames[$mimetype]) ? $this->typenames[$mimetype] : $mimetype;
break;
# ------------------------------------
# ------------------------------------
default:
if ($mimetype != $this->handle["mime_type"]) {
# this plugin can't write this mimetype (no conversions allowed)
$this->postError(1610, _t("Can't convert '%1' to %2", $this->handle["mime_type"], $mimetype), "WLPlugQuicktimeVR->write()");
return false;
}
# write the file
if (!copy($this->filepath, $filepath . "." . $ext)) {
$this->postError(1610, _t("Couldn't write file to '%1'", $filepath), "WLPlugQuicktimeVR->write()");
return false;
}
break;
# ------------------------------------
}
return $filepath . "." . $ext;
}
