add new function to determine fps value

openpype/lib/__init__.py

@@ -115,6 +115,7 @@
  get_ffmpeg_codec_args,
  get_ffmpeg_format_args,
  convert_ffprobe_fps_value,
+ convert_ffprobe_fps_to_float,
 )
 from .avalon_context import (
  CURRENT_DOC_SCHEMAS,
@@ -287,6 +288,7 @@
  "get_ffmpeg_codec_args",
  "get_ffmpeg_format_args",
  "convert_ffprobe_fps_value",
+ "convert_ffprobe_fps_to_float",
 
  "CURRENT_DOC_SCHEMAS",
  "PROJECT_NAME_ALLOWED_SYMBOLS",

openpype/lib/transcoding.py

@@ -938,3 +938,40 @@ def convert_ffprobe_fps_value(str_value):
  fps = int(fps)
 
  return str(fps)
+
+
+def convert_ffprobe_fps_to_float(value):
+ """Convert string value of frame rate to float.
+
+ Copy of 'convert_ffprobe_fps_value' which raises exceptions on invalid
+ value, does not convert value to string and does not return "Unknown"
+ string.
+
+ Args:
+ value (str): Value to be converted.
+
+ Returns:
+ Float: Converted frame rate in float. If divisor in value is '0' then
+ '0.0' is returned.
+
+ Raises:
+ ValueError: Passed value is invalid for conversion.
+ """
+
+ if not value:
+ raise ValueError("Got empty value.")
+
+ items = value.split("/")
+ if len(items) == 1:
+ return float(items[0])
+
+ if len(items) > 2:
+ raise ValueError((
+ "FPS expression contains multiple dividers \"{}\"."
+ ).format(value))
+
+ dividend = float(items.pop(0))
+ divisor = float(items.pop(0))
+ if divisor == 0.0:
+ return 0.0
+ return dividend / divisor