$fps = validInteger(getset('fps', ceil($event['Frames'] / $event['Length'])));
$vcodec = validString(getset('vcodec', ZM_EYEZM_EVENT_VCODEC));
$baseURL = ZM_PATH_WEB . "/" . getEventPathSafe($event);
/* Here we validate the codec.
* Check that FFMPEG exists and supports codecs */
if (!strcmp($vcodec, "mpeg4")) {
if (!ffmpegSupportsCodec("mpeg4")) {
logXmlErr("FFMPEG not installed, accessible in path/ZM_PATH_FFMPEG, or doesn't support mpeg4");
exit;
}
/* Can generate, we are good to go */
$fname = "capture.mov";
$ffparms = "-vcodec mpeg4 -r " . ZM_EYEZM_EVENT_FPS . " " . $baseURL . "/" . $fname . " 2> /dev/null";
} else {
if (!strcmp($vcodec, "h264")) {
if (!ffmpegSupportsCodec("libx264")) {
logXmlErr("FFMPEG not installed, accessible in path/ZM_PATH_FFMPEG, or doesn't support H264");
exit;
}
if (!requireVer("1", "2")) {
logXmlErr("H264 Event viewing requires eyeZm v1.2 or greater");
exit;
}
/* Good to go */
$fname = "capture.mp4";
$ffparms = getFfmpeg264FoutParms(validString(getset('br', ZM_EYEZM_H264_DEFAULT_EVBR)), $baseURL . "/" . $fname);
} else {
logXmlErr("Unknown codec " . $vcodec . " selected for event viewing");
exit;
}
}
/** Returns whether necessary components for H264 streaming
* are present */
function canStream264($sup = 0)
{
if (!ffmpegSupportsCodec("libx264")) {
if (!$sup) {
logXmlErr("FFMPEG not installed, accessible in path/ZM_PATH_FFMPEG, or doesn't support libx264");
}
return FALSE;
}
/* Make sure segmenter exists */
if (!exeExists(shell_exec("which segmenter"))) {
if (!$sup) {
logXmlErr("HTTP segmenter not installed or not accessible in path");
}
return FALSE;
}
/* Check for zmstreamer */
if (!exeExists(shell_exec("which zmstreamer"))) {
if (!$sup) {
logXmlErr("ZMSTREAMER not installed or not accessible in path");
}
return FALSE;
}
return TRUE;
}