public function read($filepath)
{
if (!file_exists($filepath)) {
$this->postError(1650, _t("File %1 does not exist", $filepath), "WLPlugVideo->read()");
$this->opa_media_metadata = array();
$this->filepath = null;
return false;
}
if (!($this->opa_media_metadata && $this->opa_media_metadata["filepath"] == $filepath)) {
// first try mediainfo
if ($vs_mimetype = caMediaInfoGuessFileFormat($filepath)) {
$va_media_metadata = caExtractMetadataWithMediaInfo($filepath);
$va_media_metadata['filepath'] = $filepath;
$va_media_metadata['mime_type'] = $vs_mimetype;
// Set properties for framerate and starting timecode
$o_tc = new TimecodeParser();
$o_tc->setTimebase($vn_framerate = trim(str_replace("fps", "", $va_media_metadata['VIDEO']['Frame rate'])));
$o_tc->parse($va_media_metadata['OTHER']['Time code of first frame']);
$this->properties['timecode_offset'] = (int) $o_tc->getSeconds();
$this->properties['framerate'] = $vn_framerate;
$this->opa_media_metadata = $va_media_metadata;
} elseif ($vs_mimetype = caGetID3GuessFileFormat($filepath)) {
// then try getid3
$this->opa_media_metadata = caExtractMetadataWithGetID3($filepath);
$this->properties['timecode_offset'] = 0;
// getID3 doesn't return offsets
$this->properties['framerate'] = (double) $this->opa_media_metadata['video']['frame_rate'];
} else {
// lastly, try ogg/ogv
$this->opa_media_metadata = caExtractMediaMetadataWithOggParser($filepath);
$this->properties['timecode_offset'] = 0;
// OggParser doesn't return offsets
$this->properties['framerate'] = (double) $this->opa_media_metadata['duration'] > 0 ? (double) $this->opa_media_metadata['framecount'] / (double) $this->opa_media_metadata['duration'] : 0;
}
}
if (!$this->opa_media_metadata['mime_type']) {
return false;
}
// divineFileFormat() should prevent that, but you never know
$w = $h = null;
if (!(isset($this->opa_media_metadata["error"]) && is_array($this->opa_media_metadata["error"]) && sizeof($this->opa_media_metadata["error"]) > 0)) {
$this->filepath = $filepath;
// getID3 sometimes reports the wrong width and height in the resolution_x and resolution_y indices for FLV files, but does
// report correct values in the 'meta' block. So for FLV only we try to take values from the 'meta' block first.
if ($this->opa_media_metadata["mime_type"] == 'video/x-flv' && is_array($this->opa_media_metadata['meta']) && is_array($this->opa_media_metadata['meta']['onMetaData'])) {
$w = $this->opa_media_metadata['meta']['onMetaData']['width'];
$h = $this->opa_media_metadata['meta']['onMetaData']['height'];
} else {
if ($this->opa_media_metadata['mime_type'] == 'video/ogg') {
$w = $this->opa_media_metadata['theora']['width'];
$h = $this->opa_media_metadata['theora']['height'];
}
}
if (!$w || !$h) {
$w = $this->opa_media_metadata["video"]["resolution_x"];
$h = $this->opa_media_metadata["video"]["resolution_y"];
}
if (!$w || !$h) {
// maybe it's stuck in a stream?
if (is_array($this->opa_media_metadata["video"]["streams"])) {
foreach ($this->opa_media_metadata["video"]["streams"] as $vs_key => $va_stream_info) {
$w = $this->opa_media_metadata["video"]["streams"][$vs_key]["resolution_x"];
$h = $this->opa_media_metadata["video"]["streams"][$vs_key]["resolution_y"];
if ($w > 0 && $h > 0) {
break;
}
}
}
}
// maybe it came from mediainfo?
if (!$w || !$h) {
if (isset($this->opa_media_metadata['VIDEO']['Width'])) {
$w = preg_replace("/[\\D]/", '', $this->opa_media_metadata['VIDEO']['Width']);
}
if (isset($this->opa_media_metadata['VIDEO']['Height'])) {
$h = preg_replace("/[\\D]/", '', $this->opa_media_metadata['VIDEO']['Height']);
}
}
$this->properties["width"] = $w;
$this->properties["height"] = $h;
$this->properties["mimetype"] = $this->opa_media_metadata["mime_type"];
$this->properties["typename"] = $this->typenames[$this->properties["mimetype"]] ? $this->typenames[$this->properties["mimetype"]] : "Unknown";
$this->properties["duration"] = $this->opa_media_metadata["playtime_seconds"];
// getID3 sometimes messes up the duration. mediainfo seems a little more reliable so use it if it's available
if ($this->opb_mediainfo_available && ($vn_mediainfo_duration = caExtractVideoFileDurationWithMediaInfo($filepath))) {
$this->properties['duration'] = $this->opa_media_metadata["playtime_seconds"] = $vn_mediainfo_duration;
}
$this->properties["filesize"] = filesize($filepath);
# -- get bandwidth
switch ($this->properties["mimetype"]) {
// in this case $this->opa_media_metadata definitely came from mediainfo
// so the array structure is a little different than getID3
case 'video/x-dv':
$this->properties["has_video"] = isset($this->opa_media_metadata["VIDEO"]["Duration"]) ? 1 : 0;
$this->properties["has_audio"] = isset($this->opa_media_metadata["AUDIO"]["Duration"]) ? 1 : 0;
$this->properties["type_specific"] = array();
$this->properties["title"] = $this->opa_media_metadata["GENERAL"]["Complete name"];
$this->properties["author"] = "";
$this->properties["copyright"] = "";
$this->properties["description"] = "";
$vn_bitrate = preg_replace("/[\\D]/", '', $this->opa_media_metadata['VIDEO']['Bit rate']);
$this->properties["bandwidth"] = array("min" => 0, "max" => $vn_bitrate);
break;
case 'video/x-ms-asf':
case 'video/x-ms-wmv':
$this->properties["has_video"] = sizeof($this->opa_media_metadata["asf"]["video_media"]) ? 1 : 0;
$this->properties["has_audio"] = sizeof($this->opa_media_metadata["asf"]["audio_media"]) ? 1 : 0;
$this->properties["type_specific"] = array("asf" => $this->opa_media_metadata["asf"]);
$this->properties["title"] = $this->opa_media_metadata["asf"]["comments"]["title"];
$this->properties["author"] = $this->opa_media_metadata["asf"]["comments"]["artist"];
$this->properties["copyright"] = $this->opa_media_metadata["asf"]["comments"]["copyright"];
$this->properties["description"] = $this->opa_media_metadata["asf"]["comments"]["comment"];
$this->properties["bandwidth"] = array("min" => 0, "max" => $this->opa_media_metadata["bitrate"]);
break;
case 'video/quicktime':
case 'video/mp4':
$this->properties["has_video"] = isset($this->opa_media_metadata["video"]["bitrate"]) && sizeof($this->opa_media_metadata["video"]["bitrate"]) ? 1 : 0;
$this->properties["has_audio"] = isset($this->opa_media_metadata["audio"]["bitrate"]) && sizeof($this->opa_media_metadata["audio"]["bitrate"]) ? 1 : 0;
$this->properties["type_specific"] = array();
$this->properties["title"] = "";
$this->properties["author"] = "";
$this->properties["copyright"] = "";
$this->properties["description"] = "";
$this->properties["bandwidth"] = array("min" => (int) $this->opa_media_metadata["theora"]['nombitrate'] + (int) $this->opa_media_metadata["vorbis"]['bitrate'], "max" => (int) $this->opa_media_metadata["theora"]['nombitrate'] + (int) $this->opa_media_metadata["vorbis"]['bitrate']);
break;
case 'video/ogg':
$this->properties["has_video"] = isset($this->opa_media_metadata["theora"]) ? 1 : 0;
$this->properties["has_audio"] = isset($this->opa_media_metadata["vorbis"]) ? 1 : 0;
$this->properties["type_specific"] = array();
$this->properties["title"] = "";
$this->properties["author"] = "";
$this->properties["copyright"] = "";
$this->properties["description"] = "";
$this->properties["bandwidth"] = array("min" => $this->opa_media_metadata["bitrate"], "max" => $this->opa_media_metadata["bitrate"]);
break;
case 'application/x-shockwave-flash':
$this->properties["has_video"] = $this->opa_media_metadata["header"]["frame_width"] > 0 ? 1 : 0;
$this->properties["has_audio"] = 1;
$this->properties["type_specific"] = array("header" => $this->opa_media_metadata["header"]);
$this->properties["title"] = "";
$this->properties["author"] = "";
$this->properties["copyright"] = "";
$this->properties["description"] = "";
$this->properties["bandwidth"] = array("min" => $this->opa_media_metadata["filesize"] / $this->opa_media_metadata["playtime_seconds"], "max" => $this->opa_media_metadata["filesize"] / $this->opa_media_metadata["playtime_seconds"]);
break;
case 'video/mpeg':
$this->properties["has_video"] = isset($this->opa_media_metadata["video"]["bitrate"]) && sizeof($this->opa_media_metadata["video"]["bitrate"]) ? 1 : 0;
$this->properties["has_audio"] = isset($this->opa_media_metadata["audio"]["bitrate"]) && sizeof($this->opa_media_metadata["audio"]["bitrate"]) ? 1 : 0;
$this->properties["type_specific"] = array();
$this->properties["title"] = "";
$this->properties["author"] = "";
$this->properties["copyright"] = "";
$this->properties["description"] = "";
$this->properties["bandwidth"] = array("min" => $this->opa_media_metadata["bitrate"], "max" => $this->opa_media_metadata["bitrate"]);
break;
case 'video/x-flv':
$this->properties["has_video"] = sizeof($this->opa_media_metadata["header"]["hasVideo"]) ? 1 : 0;
$this->properties["has_audio"] = sizeof($this->opa_media_metadata["header"]["hasAudio"]) ? 1 : 0;
$this->properties["type_specific"] = array("header" => $this->opa_media_metadata["header"]);
$this->properties["title"] = "";
$this->properties["author"] = "";
$this->properties["copyright"] = "";
$this->properties["description"] = "";
$vn_bitrate = $this->opa_media_metadata["filesize"] / $this->opa_media_metadata["playtime_seconds"];
$this->properties["bandwidth"] = array("min" => $vn_bitrate, "max" => $vn_bitrate);
break;
}
$this->oproperties = $this->properties;
return 1;
} else {
$this->postError(1650, join("; ", $this->opa_media_metadata["error"]), "WLPlugVideo->read()");
$this->opa_media_metadata = "";
$this->filepath = "";
return false;
}
}
/**
* Divine file format with OggParser
* @param $ps_path
* @return bool|string
*/
function caOggParserGuessFileFormat($ps_path)
{
$va_ogg_info = caExtractMediaMetadataWithOggParser($ps_path);
if (is_array($va_ogg_info) && sizeof($va_ogg_info) > 0) {
if (isset($va_ogg_info['theora'])) {
return 'video/ogg';
}
}
return false;
}
