diff --git a/pve.py b/pve.py
index 8d233b0..4719812 100644
--- a/pve.py
+++ b/pve.py
@@ -14,6 +14,8 @@
 # You should have received a copy of the GNU General Public License along with People's Video Editor.
 # If not, see <https://www.gnu.org/licenses/>.
 
+import cProfile
+
 from pyav.demuxer import Demuxer
 from pyav.decoder import Decoder
 
@@ -26,14 +28,21 @@ print(f"audio codec = {demuxer.audio_stream.codec.name}")
 video_decoder = Decoder(demuxer.video_stream)
 audio_decoder = Decoder(demuxer.audio_stream)
 
-while True:
-    packet = demuxer.read_packet()
-    eof = (packet is None)
-    if eof or demuxer.video_stream.contains(packet):
-        video_frames = video_decoder.decode(packet)
-        print(f"decoded {len(video_frames)} video frames")
-    if eof or demuxer.audio_stream.contains(packet):
-        audio_frames = audio_decoder.decode(packet)
-        print(f"decoded {len(audio_frames)} audio frames")
-    if eof:
-        break
+num_frames = 0
+
+with cProfile.Profile() as pr:
+    while True:
+        packet = demuxer.read_packet()
+        eof = (packet is None)
+        if eof or demuxer.video_stream.contains(packet):
+            video_frames = video_decoder.decode(packet)
+            num_frames += len(video_frames)
+            # print(f"decoded {len(video_frames)} video frames")
+        if eof or demuxer.audio_stream.contains(packet):
+            audio_frames = audio_decoder.decode(packet)
+            # print(f"decoded {len(audio_frames)} audio frames")
+        if eof:
+            break
+
+print(f"num frames: {num_frames}")
+pr.print_stats()