Detect rounding issues in media available_range when extracting (OTIO).

client/ayon_core/pipeline/editorial.py

@@ -7,6 +7,10 @@ import opentimelineio as otio
 from opentimelineio import opentime as _ot
 
 
+# https://github.com/AcademySoftwareFoundation/OpenTimelineIO/issues/1822
+OTIO_EPSILON = 1e-9
+
+
 def otio_range_to_frame_range(otio_range):
     start = _ot.to_frames(
         otio_range.start_time, otio_range.start_time.rate)

client/ayon_core/plugins/publish/extract_otio_audio_tracks.py

@@ -7,6 +7,7 @@ from ayon_core.lib import (
     get_ffmpeg_tool_args,
     run_subprocess
 )
+from ayon_core.pipeline import editorial
 
 
 class ExtractOtioAudioTracks(pyblish.api.ContextPlugin):
@@ -172,6 +173,14 @@ class ExtractOtioAudioTracks(pyblish.api.ContextPlugin):
                     clip_start = otio_clip.source_range.start_time
                     fps = clip_start.rate
                     conformed_av_start = media_av_start.rescaled_to(fps)
+
+                    # Avoid rounding issue on media available range.
+                    if clip_start.almost_equal(
+                        conformed_av_start,
+                        editorial.OTIO_EPSILON
+                    ):
+                        conformed_av_start = clip_start
+
                     # ffmpeg ignores embedded tc
                     start = clip_start - conformed_av_start
                     duration = otio_clip.source_range.duration

client/ayon_core/plugins/publish/extract_otio_review.py

@@ -23,7 +23,11 @@ from ayon_core.lib import (
     get_ffmpeg_tool_args,
     run_subprocess,
 )
-from ayon_core.pipeline import publish
+from ayon_core.pipeline import (
+    KnownPublishError,
+    editorial,
+    publish,
+)
 
 
 class ExtractOTIOReview(
@@ -97,8 +101,11 @@ class ExtractOTIOReview(
 
         # skip instance if no reviewable data available
         if (
-            not isinstance(otio_review_clips[0], otio.schema.Clip)
-            and len(otio_review_clips) == 1
+            len(otio_review_clips) == 1
+            and (
+                not isinstance(otio_review_clips[0], otio.schema.Clip)
+                or otio_review_clips[0].media_reference.is_missing_reference
+            )
         ):
             self.log.warning(
                 "Instance `{}` has nothing to process".format(instance))
@@ -248,7 +255,7 @@ class ExtractOTIOReview(
 
                 # Single video way.
                 # Extraction via FFmpeg.
-                else:
+                elif hasattr(media_ref, "target_url"):
                     path = media_ref.target_url
                     # Set extract range from 0 (FFmpeg ignores
                     #   embedded timecode).
@@ -370,6 +377,13 @@ class ExtractOTIOReview(
 
         avl_start = avl_range.start_time
 
+        # Avoid rounding issue on media available range.
+        if start.almost_equal(
+            avl_start,
+            editorial.OTIO_EPSILON
+        ):
+            avl_start = start
+
         # An additional gap is required before the available
         # range to conform source start point and head handles.
         if start < avl_start:
@@ -388,6 +402,14 @@ class ExtractOTIOReview(
         # (media duration is shorter then clip requirement).
         end_point = start + duration
         avl_end_point = avl_range.end_time_exclusive()
+
+        # Avoid rounding issue on media available range.
+        if end_point.almost_equal(
+            avl_end_point,
+            editorial.OTIO_EPSILON
+        ):
+            avl_end_point = end_point
+
         if end_point > avl_end_point:
             gap_duration = end_point - avl_end_point
             duration -= gap_duration
@@ -444,7 +466,7 @@ class ExtractOTIOReview(
         command = get_ffmpeg_tool_args("ffmpeg")
 
         input_extension = None
-        if sequence:
+        if sequence is not None:
             input_dir, collection, sequence_fps = sequence
             in_frame_start = min(collection.indexes)
 
@@ -478,7 +500,7 @@ class ExtractOTIOReview(
                 "-i", input_path
             ])
 
-        elif video:
+        elif video is not None:
             video_path, otio_range = video
             frame_start = otio_range.start_time.value
             input_fps = otio_range.start_time.rate
@@ -496,7 +518,7 @@ class ExtractOTIOReview(
                 "-i", video_path
             ])
 
-        elif gap:
+        elif gap is not None:
             sec_duration = frames_to_seconds(gap, self.actual_fps)
 
             # form command for rendering gap files
@@ -510,6 +532,9 @@ class ExtractOTIOReview(
                 "-tune", "stillimage"
             ])
 
+        else:
+            raise KnownPublishError("Sequence, video or gap is required.")
+
         if video or sequence:
             command.extend([
                 "-vf", f"scale={self.to_width}:{self.to_height}:flags=lanczos",