Added frequency to SSTV filenames, refactored storage code, etc.

htdocs/css/files.css

@@ -31,3 +31,9 @@ td {
 img {
     width: 100%;
 }
+
+.file-title {
+    text-align: center;
+    font-size: 80%;
+}
+

htdocs/lib/MessagePanel.js

@@ -301,8 +301,9 @@ SstvMessagePanel.prototype.pushMessage = function(msg) {
 //        $b.scrollTop($b[0].scrollHeight);
     }
     else if(msg.width>0 && msg.height>0 && !msg.hasOwnProperty('line')) {
+        var f = msg.frequency>0? ' at ' + Math.floor(msg.frequency/1000) + 'kHz' : '';
         var h = '<div>' + msg.timestamp + ' ' + msg.width + 'x' + msg.height +
-            ' ' + msg.sstvMode + '</div>';
+            ' ' + msg.sstvMode + f + '</div>';
         var c = '<div onclick="saveCanvas(\'' + msg.filename + '\');">' +
             '<canvas class="frame" id="' + msg.filename +
             '" width="' + msg.width + '" height="' + msg.height +

owrx/controllers/file.py

@@ -4,7 +4,7 @@ from owrx.storage import Storage
 
 class FileController(AssetsController):
     def getFilePath(self, file):
-        return Storage().getStoredFilePath(file)
+        return Storage().getFilePath(file)
 
 
 class FilesController(WebpageController):
@@ -20,7 +20,7 @@ class FilesController(WebpageController):
             rows += ('<td class="file-tile">' +
                 ('<a href="/files/%s" download="%s">' % (files[i], files[i])) +
                 ('<img src="/files/%s" download="%s">' % (files[i], files[i])) +
-                ('<p align="center">%s</p>' % files[i]) +
+                ('<p class="file-title">%s</p>' % files[i]) +
                 '</a></td>\n')
             # Finish a row
             if i % 3 == 2:

owrx/http.py

@@ -23,6 +23,7 @@ from owrx.controllers.session import SessionController
 from owrx.controllers.profile import ProfileController
 from owrx.controllers.imageupload import ImageUploadController
 from owrx.controllers.robots import RobotsController
+from owrx.storage import Storage
 from http.server import BaseHTTPRequestHandler
 from urllib.parse import urlparse, parse_qs
 import re
@@ -98,7 +99,7 @@ class Router(object):
             StaticRoute("/policy", PolicyController),
             StaticRoute("/features", FeatureController),
             StaticRoute("/files", FilesController),
-            RegexRoute("^/files/(SSTV-[0-9]+-[0-9]+\.bmp)$", FileController),
+            RegexRoute("^/files/(%s)$" % Storage().getNamePattern(), FileController),
             StaticRoute("/api/features", ApiController),
             StaticRoute("/metrics", MetricsController, options={"action": "prometheusAction"}),
             StaticRoute("/metrics.json", MetricsController),

owrx/sstv.py

@@ -17,7 +17,7 @@ modeNames = {
     44: "Martin 1",
     56: "Scottie 2",
     60: "Scottie 1",
-    76: "Scottie DX",
+    75: "Scottie DX",
 
     # Unsupported modes
     0:  "Robot 12",
@@ -58,13 +58,14 @@ modeNames = {
 
 class SstvParser(ThreadModule):
     def __init__(self, service: bool = False):
-        self.service = service
-        self.file    = None
-        self.data    = bytearray(b'')
-        self.width   = 0
-        self.height  = 0
-        self.line    = 0
-        self.mode    = 0
+        self.service   = service
+        self.frequency = 0
+        self.file      = None
+        self.data      = bytearray(b'')
+        self.width     = 0
+        self.height    = 0
+        self.line      = 0
+        self.mode      = 0
         super().__init__()
 
     def __del__(self):
@@ -92,7 +93,7 @@ class SstvParser(ThreadModule):
     def newFile(self, fileName):
         self.closeFile()
         try:
-            self.fileName = Storage().getStoredFilePath(fileName + ".bmp")
+            self.fileName = Storage().getFilePath(fileName + ".bmp")
             logger.debug("Opening bitmap file '%s'..." % self.fileName)
             self.file = open(self.fileName, "wb")
         except Exception:
@@ -111,6 +112,9 @@ class SstvParser(ThreadModule):
     def getOutputFormat(self) -> Format:
         return Format.CHAR
 
+    def setDialFrequency(self, frequency: int) -> None:
+        self.frequency = frequency
+
     def run(self):
         # Run while there is input data
         while self.doRun:
@@ -141,9 +145,10 @@ class SstvParser(ThreadModule):
                 self.mode   = self.data[6]
                 self.line   = 0
                 # Find mode name and time
-                modeName  = modeNames.get(self.mode) if self.mode in modeNames else "Unknown Mode"
+                modeName  = modeNames.get(self.mode) if self.mode in modeNames else "Unknown Mode %d" % self.mode
                 timeStamp = datetime.utcnow().strftime("%H:%M:%S")
-                fileName  = Storage().makeStoredFileName("SSTV-{0}")
+                fileName  = Storage().makeFileName("SSTV-{0}", self.frequency)
+                logger.debug("Receiving %dx%d %s frame as '%s'." % (self.width, self.height, modeName, fileName))
                 # If running as a service...
                 if self.service:
                     # Create a new image file and write BMP header
@@ -158,7 +163,8 @@ class SstvParser(ThreadModule):
                     "height": self.height,
                     "sstvMode": modeName,
                     "timestamp": timeStamp,
-                    "filename": fileName
+                    "filename": fileName,
+                    "frequency": self.frequency
                 }
 
             # Parse debug messages enclosed in ' [...]'

owrx/storage.py

@@ -11,16 +11,22 @@ logger = logging.getLogger(__name__)
 
 class Storage(object):
     def __init__(self):
-        self.filePattern = r'[A-Z]+-[0-9]+-[0-9]+\.bmp'
+        self.filePattern = r'[A-Z]+-[0-9]+-[0-9]+(-[0-9]+)?\.bmp'
+
+    # Get file name pattern
+    def getNamePattern(self):
+        return self.filePattern
 
     # Create stored file name by inserting current UTC date
     # and time into the pattern spot designated with "{0}"
-    def makeStoredFileName(self, pattern):
-        return pattern.format(datetime.utcnow().strftime('%y%m%d-%H%M%S'))
+    def makeFileName(self, pattern: str = '{0}', frequency: int = 0):
+        d = datetime.utcnow().strftime('%y%m%d-%H%M%S')
+        f = ('-%d' % (frequency // 1000)) if frequency>0 else ''
+        return pattern.format(d + f)
 
     # Get complete path to a stored file from its filename by
     # adding folder name
-    def getStoredFilePath(self, filename):
+    def getFilePath(self, filename: str):
         return os.path.join(CoreConfig().get_temporary_directory(), filename)
 
     # Get list of stored files, sorted in reverse alphabetic order