X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=decoders%2Fguess_bitrate%2Fpd.py;h=b88a8977a9b948cfaf6be965e1df66acb147e974;hb=e2ff870ec47cc01a24d037c75d16ebaccdf1ff69;hp=0ab312995dcbdb6a25d62e43af04625fe82cd6eb;hpb=ef36224880135a05d2fbde8f048ea3fe3f425df9;p=libsigrokdecode.git

diff --git a/decoders/guess_bitrate/pd.py b/decoders/guess_bitrate/pd.py
index 0ab3129..b88a897 100644
--- a/decoders/guess_bitrate/pd.py
+++ b/decoders/guess_bitrate/pd.py
@@ -47,12 +47,17 @@ class Decoder(srd.Decoder):
         self.first_transition = True
         self.bitwidth = None
 
-    def start(self, metadata):
-        self.samplerate = metadata['samplerate']
-        # self.out_proto = self.register(srd.OUTPUT_PYTHON)
+    def start(self):
+        # self.out_python = self.register(srd.OUTPUT_PYTHON)
         self.out_ann = self.register(srd.OUTPUT_ANN)
 
+    def metadata(self, key, value):
+        if key == srd.SRD_CONF_SAMPLERATE:
+            self.samplerate = value;
+
     def decode(self, ss, es, data):
+        if self.samplerate is None:
+            raise Exception("Cannot decode without samplerate.")
         for (self.samplenum, pins) in data:
 
             data = pins[0]