General: OIIO conversion for ffmeg can handle sequences

openpype/lib/transcoding.py

@@ -478,8 +478,14 @@ def convert_for_ffmpeg(
  oiio_cmd.extend(["--eraseattrib", attr_name])
 
  # Add last argument - path to output
- base_file_name = os.path.basename(first_input_path)
- output_path = os.path.join(output_dir, base_file_name)
+ if is_sequence:
+ ext = os.path.splitext(first_input_path)[1]
+ base_filename = "tmp.%{:0>2}d{}".format(
+ len(str(input_frame_end)), ext
+ )
+ else:
+ base_filename = os.path.basename(first_input_path)
+ output_path = os.path.join(output_dir, base_filename)
  oiio_cmd.extend([
  "-o", output_path
  ])