Improve Resolve export

auto_editor/edit.py

@@ -45,7 +45,7 @@ def set_output(
 
     ext_map = {
         "premiere": ".xml",
-        "resolve": ".xml",
+        "resolve": ".fcpxml",
         "final-cut-pro": ".fcpxml",
         "shotcut": ".mlt",
         "json": ".json",
@@ -271,7 +271,7 @@ def edit_media(
     if export["export"] in ("final-cut-pro", "resolve"):
         from auto_editor.formats.fcp11 import fcp11_write_xml
 
-        fcp11_write_xml(export["name"], output, export["export"], tl)
+        fcp11_write_xml(export["name"], output, export["export"], tl, log)
         return
 
     if export["export"] == "shotcut":

auto_editor/formats/fcp11.py

@@ -8,6 +8,7 @@
 
     from auto_editor.ffwrapper import FileInfo
     from auto_editor.timeline import TlAudio, TlVideo, v3
+    from auto_editor.utils.log import Log
 
 """
 Export a FCPXML 11 file readable with Final Cut Pro 10.6.8 or later.
@@ -40,7 +41,9 @@ def get_colorspace(src: FileInfo) -> str:
     return "1-1-1 (Rec. 709)"
 
 
-def fcp11_write_xml(group_name: str, output: str, flavor: str, tl: v3) -> None:
+def fcp11_write_xml(
+    group_name: str, output: str, flavor: str, tl: v3, log: Log
+) -> None:
     def fraction(val: int) -> str:
         if val == 0:
             return "0s"
@@ -51,8 +54,8 @@ def fraction(val: int) -> str:
         break
 
     proj_name = src.path.stem
-    tl_dur = tl.out_len()
     src_dur = int(src.duration * tl.tb)
+    tl_dur = src_dur if flavor == "resolve" else tl.out_len()
 
     fcpxml = Element("fcpxml", version="1.10" if flavor == "resolve" else "1.11")
     resources = SubElement(fcpxml, "resources")
@@ -102,6 +105,7 @@ def fraction(val: int) -> str:
     else:
         clips = []
 
+    warn = False
     for clip in clips:
         clip_properties = {
             "name": proj_name,
@@ -119,6 +123,7 @@ def fraction(val: int) -> str:
             # See the "Time Maps" section.
             # https://developer.apple.com/documentation/professional_video_applications/fcpxml_reference/story_elements/timemap/
 
+            warn = True
             timemap = SubElement(asset, "timeMap")
             SubElement(timemap, "timept", time="0s", value="0s", interp="smooth2")
             SubElement(
@@ -129,6 +134,12 @@ def fraction(val: int) -> str:
                 interp="smooth2",
             )
 
+    if flavor == "resolve" and warn:
+        log.warning(
+            "DaVinci Resolve may take a very long time when importing timelines with "
+            "speed effects. Consider switching to a good editor, like Premiere Pro, "
+            "Final Cut Pro, or ShotCut (free)"
+        )
     tree = ElementTree(fcpxml)
     indent(tree, space="\t", level=0)
     tree.write(output, xml_declaration=True, encoding="utf-8")

auto_editor/utils/cmdkw.py

@@ -49,10 +49,6 @@ def __init__(self, name: str, *attrs: cAttr):
         self.attrs = attrs
 
 
-def _default_var_f(name: str, val: str, coerce: Any) -> Any:
-    return coerce(val)
-
-
 def _norm_name(s: str) -> str:
     # Python does not allow - in variable names
     return s.replace("-", "_")
@@ -190,6 +186,10 @@ def go(text: str, c: Any) -> Any:
     return kwargs
 
 
+def _default_var_f(name: str, val: str, coerce: Any) -> Any:
+    return coerce(val)
+
+
 def parse_dataclass(
     text: str,  # the string to be parsed
     build: cAttrs,