Add the option to change timelapse fps

src/octoprint/server/api/timelapse.py

@@ -30,9 +30,11 @@ def getTimelapseData():
 	if timelapse is not None and isinstance(timelapse, octoprint.timelapse.ZTimelapse):
 		config["type"] = "zchange"
 		config["postRoll"] = timelapse.postRoll()
+		config["fps"] = timelapse.fps()
 	elif timelapse is not None and isinstance(timelapse, octoprint.timelapse.TimedTimelapse):
 		config["type"] = "timed"
 		config["postRoll"] = timelapse.postRoll()
+		config["fps"] = timelapse.fps()
 		config.update({
 			"interval": timelapse.interval()
 		})
@@ -70,6 +72,7 @@ def setTimelapseConfig():
 		config = {
 			"type": request.values["type"],
 			"postRoll": 0,
+			"fps": 25,
 			"options": {}
 		}
 
@@ -80,6 +83,12 @@ def setTimelapseConfig():
 			except ValueError:
 				pass
 
+		if "fps" in request.values:
+			try:
+				config["fps"] = int(request.values["fps"])
+			except ValueError:
+				pass
+
 		if "interval" in request.values:
 			interval = 10
 			try:

src/octoprint/settings.py

@@ -68,7 +68,8 @@ default_settings = {
 		"timelapse": {
 			"type": "off",
 			"options": {},
-			"postRoll": 0
+			"postRoll": 0,
+			"fps": 25
 		}
 	},
 	"gcodeViewer": {

src/octoprint/static/js/app/viewmodels/timelapse.js

@@ -7,6 +7,7 @@ $(function() {
         self.timelapseType = ko.observable(undefined);
         self.timelapseTimedInterval = ko.observable(undefined);
         self.timelapsePostRoll = ko.observable(undefined);
+        self.timelapseFps = ko.observable(undefined);
 
         self.persist = ko.observable(false);
         self.isDirty = ko.observable(false);
@@ -42,6 +43,9 @@ $(function() {
         self.timelapsePostRoll.subscribe(function(newValue) {
             self.isDirty(true);
         });
+        self.timelapseFps.subscribe(function(newValue) {
+            self.isDirty(true);
+        });
 
         // initialize list helper
         self.listHelper = new ItemListHelper(
@@ -107,6 +111,12 @@ $(function() {
                 self.timelapsePostRoll(undefined);
             }
 
+            if (config.fps != undefined && config.fps >= 0) {
+                self.timelapseFps(config.fps);
+            } else {
+                self.timelapseFps(undefined);
+            }
+
             self.persist(false);
             self.isDirty(false);
         };
@@ -142,6 +152,7 @@ $(function() {
             var payload = {
                 "type": self.timelapseType(),
                 "postRoll": self.timelapsePostRoll(),
+                "fps": self.timelapseFps(),
                 "save": self.persist()
             };
 

src/octoprint/static/less/octoprint.less

@@ -323,7 +323,7 @@ table {
 }
 
 #temp_newTemp, #temp_newBedTemp, #speed_innerWall, #speed_outerWall, #speed_fill, #speed_support,
-#webcam_timelapse_interval, #webcam_timelapse_postRoll {
+#webcam_timelapse_interval, #webcam_timelapse_postRoll, #webcam_timelapse_fps {
   text-align: right;
 }
 

src/octoprint/templates/tabs/timelapse.jinja2

@@ -22,6 +22,12 @@
         </div>
     </div>
 
+    <label for="webcam_timelapse_fps">{{ _('Timelapse fps') }}</label>
+    <div class="input-append">
+        <input type="text" class="input-mini" id="webcam_timelapse_fps" data-bind="value: timelapseFps, valueUpdate: 'afterkeydown', enable: isOperational() && !isPrinting() && loginState.isUser() && timelapseTypeSelected()">
+        <span class="add-on">{{ _('fps') }}</span>
+    </div>
+
     <div data-bind="visible: loginState.isAdmin">
         <label class="checkbox">
             <input type="checkbox" data-bind="checked: persist"> {{ _('Save as default') }}

src/octoprint/timelapse.py

@@ -79,15 +79,19 @@ def configureTimelapse(config=None, persist=False):
 	if "postRoll" in config:
 		postRoll = config["postRoll"]
 
+	fps = 25
+	if "fps" in config:
+		fps = config["fps"]
+
 	if type is None or "off" == type:
 		current = None
 	elif "zchange" == type:
-		current = ZTimelapse(postRoll=postRoll)
+		current = ZTimelapse(postRoll=postRoll, fps=fps)
 	elif "timed" == type:
 		interval = 10
 		if "options" in config and "interval" in config["options"]:
 			interval = config["options"]["interval"]
-		current = TimedTimelapse(postRoll=postRoll, interval=interval)
+		current = TimedTimelapse(postRoll=postRoll, interval=interval, fps=fps)
 
 	notifyCallbacks(current)
 
@@ -97,7 +101,7 @@ def configureTimelapse(config=None, persist=False):
 
 
 class Timelapse(object):
-	def __init__(self, postRoll=0):
+	def __init__(self, postRoll=0, fps=25):
 		self._logger = logging.getLogger(__name__)
 		self._imageNumber = None
 		self._inTimelapse = False
@@ -111,7 +115,7 @@ class Timelapse(object):
 		self._movieDir = settings().getBaseFolder("timelapse")
 		self._snapshotUrl = settings().get(["webcam", "snapshot"])
 
-		self._fps = 25
+		self._fps = fps
 
 		self._renderThread = None
 		self._captureMutex = threading.Lock()
@@ -127,6 +131,9 @@ class Timelapse(object):
 	def postRoll(self):
 		return self._postRoll
 
+	def fps(self):
+		return self._fps
+
 	def unload(self):
 		if self._inTimelapse:
 			self.stopTimelapse(doCreateMovie=False)
@@ -267,7 +274,7 @@ class Timelapse(object):
 
 		# prepare ffmpeg command
 		command = [
-			ffmpeg, '-loglevel', 'error', '-i', input, '-vcodec', 'mpeg2video', '-pix_fmt', 'yuv420p', '-r', str(self._fps), '-y', '-b:v', bitrate,
+			ffmpeg, '-framerate', str(self._fps), '-loglevel', 'error', '-i', input, '-vcodec', 'mpeg2video', '-pix_fmt', 'yuv420p', '-r', str(self._fps), '-y', '-b', bitrate,
 			'-f', 'vob']
 
 		filters = []
@@ -335,8 +342,8 @@ class Timelapse(object):
 
 
 class ZTimelapse(Timelapse):
-	def __init__(self, postRoll=0):
-		Timelapse.__init__(self, postRoll=postRoll)
+	def __init__(self, postRoll=0, fps=25):
+		Timelapse.__init__(self, postRoll=postRoll, fps=fps)
 		self._logger.debug("ZTimelapse initialized")
 
 	def eventSubscriptions(self):
@@ -370,8 +377,8 @@ class ZTimelapse(Timelapse):
 
 
 class TimedTimelapse(Timelapse):
-	def __init__(self, postRoll=0, interval=1):
-		Timelapse.__init__(self, postRoll=postRoll)
+	def __init__(self, postRoll=0, interval=1, fps=25):
+		Timelapse.__init__(self, postRoll=postRoll, fps=fps)
 		self._interval = interval
 		if self._interval < 1:
 			self._interval = 1 # force minimum interval of 1s