#45 FFProbe: Fix missing conversion from seconds to nanoseconds

common_py/src/videoag_common/ffmpeg/ffprobe.py

@@ -34,7 +34,7 @@ class FFProbeImageStream(FFProbeStream):
     height: int
 
 
-def _parse_duration_string_human(val: str) -> int:
+def _parse_duration_string_human_to_ns(val: str) -> int:
     match = re.match("(?>(?>([0-9]+):)?([0-9]+):)?([0-9]+)(?>\\.([0-9]+))?", val)
     if match is None:
         raise ValueError(f"Unable to parse duration: {val}")
@@ -43,8 +43,8 @@ def _parse_duration_string_human(val: str) -> int:
     seconds = int(match.group(3))
     nanos = int(match.group(4) or "0")
     return math.ceil(
-        (hours * 60 + minutes) * 60 + seconds
-        + nanos / math.pow(10, 9)
+        ((hours * 60 + minutes) * 60 + seconds) * math.pow(10, 9)
+        + nanos
     )
 
 
@@ -56,7 +56,7 @@ def _get_stream_duration_ns(stream: dict):
     if tags is not None:
         duration_string = tags.get("DURATION")
         if duration_string is not None:
-            return _parse_duration_string_human(duration_string)
+            return _parse_duration_string_human_to_ns(duration_string)
     
     raise Exception(f"Unable to get duration from stream: {stream}")