Patch failure occuring with audio files conversion

.travis.yml

@@ -23,10 +23,16 @@ install:
 - pip install .
 
 before_script:
+- ffmpeg -version
+# test audio conversion
+- curl -SsL "https://www.sample-videos.com/audio/mp3/wave.mp3" > test.mp3
+- ffmpeg -v error -i test.mp3 -acodec copy -f mp3 - > /dev/null
+# test video conversion
 - curl -SsL "http://techslides.com/demos/sample-videos/small.mp4" > test.mp4
-- ffmpeg -i test.mp4 -vcodec copy test2.mkv
+- ffmpeg -v error -i test.mp4 -vcodec copy -f matroska - > /dev/null
 
 script:
+- ffpb -i test.mp3 -acodec copy test.mka
 - ffpb -i test.mp4 -vcodec copy test.mkv
 
 before_deploy:

ffpb.py

@@ -101,8 +101,6 @@ def newline(self):
         return line
 
     def get_fps(self, line):
-        """
-        """
         search = self._FPS_RX.search(line)
         if search is not None:
             return round(float(search.group(1)))
@@ -122,16 +120,26 @@ def get_source(self, line):
     def progress(self, line):
         search = self._PROGRESS_RX.search(line)
         if search is not None:
+
+            total = self.duration
+            current = self._seconds(*search.groups())
+            unit = " seconds"
+
+            if self.fps is not None:
+                unit = " frames"
+                current *= self.fps
+                total *= self.fps
+
             if self.pbar is None:
                 self.pbar = tqdm.tqdm(
                     desc=self.source,
                     file=self.file,
-                    total=self.duration * self.fps,
+                    total=total,
                     dynamic_ncols=True,
-                    unit=" frames",
+                    unit=unit,
                     ncols=0,
                 )
-            current = self._seconds(*search.groups()) * self.fps
+
             self.pbar.update(current - self.pbar.n)