Add a first message counter value

Simplest fix for #481
ebu · May 8, 2018 · 00a94c9 · 00a94c9
1 parent 7a595d4
commit 00a94c9
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Showing 2 changed files with 9 additions and 3 deletions.
diff --git a/ebu_tt_live/carriage/filesystem.py b/ebu_tt_live/carriage/filesystem.py
@@ -72,20 +72,21 @@ def __init__(self,
                  file_name_pattern = CFG_FILENAME_PATTERN, 
                  message_file_name_pattern = CFG_MESSAGE_PATTERN, 
                  circular_buf_size = 0, 
-                 suppress_manifest = False):
+                 suppress_manifest = False,
+                 first_msg_counter = 0):
         self._dirpath = dirpath
         if not os.path.exists(self._dirpath):
             os.makedirs(self._dirpath)
         self._file_name_pattern = file_name_pattern
         self._message_file_name_pattern = message_file_name_pattern
         self._counter = 0
+        self._msg_counter = first_msg_counter
         self._circular_buf_size = circular_buf_size
         if circular_buf_size > 0 :
             self._circular_buf = RotatingFileBuffer(maxlen=circular_buf_size)
         self._suppress_manifest = suppress_manifest
         # Get a set of default clocks
         self._default_clocks = {}
-        self._msg_counter = 0
 
     def _get_default_clock(self, sequence_identifier, time_base, clock_mode=None):
         clock_obj = self._default_clocks.get(sequence_identifier, None)

diff --git a/ebu_tt_live/config/carriage.py b/ebu_tt_live/config/carriage.py
@@ -75,6 +75,10 @@ class FilesystemOutput(ConfigurableComponent):
         default=False,
         doc='Suppress output of a manifest file (default false)'
     )
+    required_config.add_option(
+        'begin_count',
+        default=0,
+        doc='Value to begin counting at for patterns including {counter}; the first output value will be this plus 1.')
 
     def __init__(self, config, local_config):
         super(FilesystemOutput, self).__init__(config, local_config)
@@ -83,7 +87,8 @@ def __init__(self, config, local_config):
             file_name_pattern=self.config.filename_pattern,
             message_file_name_pattern=self.config.message_filename_pattern,
             circular_buf_size=self.config.rotating_buf,
-            suppress_manifest=self.config.suppress_manifest)
+            suppress_manifest=self.config.suppress_manifest,
+            first_msg_counter=self.config.begin_count)