Incremented to p2fs3, added rescaling support for 'vframe' action, added viewport tag to vfeed for mjpeg mode

Signed-off-by: Jai Dhar <jdhar@eyezm.com>

git-svn-id: http://svn.zoneminder.com/svn/zm/trunk@3313 e3e1d417-86f3-4887-817a-d78f3d33393f
pull/27/merge
jaidhar 2011-04-19 00:09:20 +00:00
parent 755bd93a09
commit 923fd832e5
4 changed files with 44 additions and 3 deletions

View File

@ -10,7 +10,7 @@
/* Static defines, these shouldn't change */
define ( "ZM_EYEZM_PROTOCOL_VERSION", "2");
define ( "ZM_EYEZM_FEATURE_SET", "2");
define ( "ZM_EYEZM_FEATURE_SET", "3");
/* Dynamic defines, check if they are already defined.
* To change a particular parameter default value, without using the

View File

@ -189,6 +189,14 @@ function ffmpegExists()
{
return exeExists(getFfmpegPath());
}
/* Returns with PHP-GD exists */
function gdExists()
{
if (extension_loaded('gd') && function_exists('gd_info')) {
return TRUE;
}
return FALSE;
}
function getFfmpeg264FoutParms($br, $fout)
{

View File

@ -164,6 +164,7 @@ if (isset($_GET['action'])) {
noCacheHeaders();
xhtmlHeaders( __FILE__, "Stream" );
logXml("Streaming MJPEG on Monitor ".$monitor.", ".$width."x".$height." @".$fps."fps");
echo "<meta name=\"viewport\" content=\"width=".$width."\" />\n";
echo "<body>\n";
echo "<div style=\"border: 0px solid; padding: 0px; background-color: black; position: absolute; top: 0px; left; 0px; margin: 0px; width: ".$width."px; height: ".$height."px;\">\n";
logXml("Using stream source: ".$streamSrc);
@ -245,10 +246,12 @@ if (isset($_GET['action'])) {
exit;
} else if (!strcmp($action, "vframe")) {
/* ACTION: View a frame given by an event and frame-id. Parms: <eid> <frame> [alarm | analyze]
/* ACTION: View a frame given by an event and frame-id. Parms: <eid> <frame> [alarm | analyze | qty | scale]
* If 'alarm' is set, the returned frame will be the <frame>-th alarm frame. If 'analyze' is set,
* the returned frame will be the %03d-analyse frame instead of %03d-capture, if ZM_CREATE_ANALYSIS_IMAGES
* is set. Otherwise it just returns the captured frame */
* is set. Otherwise it just returns the captured frame.
* If qty is set, it will apply a quality factor from 0-100, and if width is set, it will scale the jpeg accordingly
*/
if (!isset($_GET['eid']) || !isset($_GET['frame'])) {
logXmlErr("Not all parameters set for action view-frame");
exit;
@ -257,6 +260,9 @@ if (isset($_GET['action'])) {
$frame = validInteger($_GET['frame']);
$eventsSql = "select E.Id, E.MonitorId, E.Name, E.StartTime, E.Length, E.Frames from Events as E where (E.Id = ".$eid.")";
$event = dbFetchOne(escapeSql($eventsSql));
$qty = validInteger(getset('qty', 100));
if ($qty > 100) $qty = 100;
$scale = validInteger(getset('scale', 100));
if (!$event) {
logxmlErr("Requested event ID ".$eid." does not exist");
exit;
@ -286,8 +292,34 @@ if (isset($_GET['action'])) {
$fname = sprintf("%0".ZM_EVENT_IMAGE_DIGITS."d-%s.jpg", $frame, $suffix);
$url = "./".getEventPathSafe($event)."/".$fname;
if (!file_exists($url)) {
logXmlErr("Invalid frame image requested: ".$url);
$url = "./skins/xml/views/notfound.png";
}
/* Check if the image needs any processing - check for GD if requested */
if (($scale != 100) || ($qty < 100)) {
if (!gdExists()) {
logXmlErr("Lib GD is not loaded, but required for image scaling functions");
$url = "./skins/xml/views/notfound.png";
} else if (!$img = imagecreatefromjpeg($url)) {
logXmlErr("Could not load JPEG from ".$url);
$url = "./skins/xml/views/notfound.png";
} else {
/* GD exists and we read the file ok */
header('Content-type: image/jpeg');
/* Check if resizing is needed */
if ($scale != 100) {
list($width_orig, $height_orig) = getimagesize($url);
$width_new = $width_orig * ($scale/100);
$height_new = $height_orig * ($scale/100);
$img_new = imagecreatetruecolor($width_new, $height_new);
imagecopyresampled($img_new, $img, 0, 0, 0, 0, $width_new, $height_new, $width_orig, $height_orig);
imagejpeg($img_new, NULL, $qty);
} else {
imagejpeg($img, NULL, $qty);
}
exit;
}
}
header("Location: ".$url);
exit;

View File

@ -154,6 +154,7 @@ xml_tag_val("PROTOVER", ZM_EYEZM_PROTOCOL_VERSION);
xml_tag_val("FEATURESET", ZM_EYEZM_FEATURE_SET);
xml_tag_val("VERSION", ZM_VERSION);
xml_tag_val("CANSTR264", canStream264(1));
xml_tag_val("GD", gdExists());
xml_tag_val("FVCODEC", ZM_EYEZM_FEED_VCODEC);
xml_tag_val("FVTMT", ZM_EYEZM_H264_TIMEOUT);
xml_tag_val("USER", $user['Username']);