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[cli] Add new save-otio command
Verified works with DaVinci Resolve. #497
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‎docs/cli.rst‎

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@@ -721,6 +721,40 @@ Options
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Width (pixels) of images.
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.. _command-save-otio:
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.. program:: scenedetect save-otio
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``save-otio``
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========================================================================
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Save cuts as an OTIO timeline.
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Uses the Timeline.1 schema. OTIO (OpenTimelineIO) timelines can be imported by many video editors.
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Options
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------------------------------------------------------------------------
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.. option:: -f NAME, --filename NAME
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Filename format to use.
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Default: ``$VIDEO_NAME.otio``
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.. option:: -n NAME, --name NAME
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Name of timeline to use.
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Default: ``"$VIDEO_NAME (PySceneDetect)"``
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.. option:: -o DIR, --output DIR
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Output directory to save OTIO file to. Overrides global option :option:`-o/--output <scenedetect -o>`.
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.. _command-save-qp:
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.. program:: scenedetect save-qp

‎scenedetect.cfg‎

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@@ -314,7 +314,19 @@
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#reel = AX
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# Title to use for the EDL information. Can use $VIDEO_NAME macro.
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#title = $VIDEO_NAME
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#title = $VIDEO_NAME (PySceneDetect)
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[save-otio]
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# Filename format of OTIO file. Can use $VIDEO_NAME macro.
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#filename = $VIDEO_NAME.otio
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# Folder to output OTIO file to. Overrides [global] output option.
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#output = /usr/tmp/images
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# Name to use for the OTIO timeline. Can use $VIDEO_NAME macro.
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#title = $VIDEO_NAME (PySceneDetect)
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[save-qp]

‎scenedetect/_cli/__init__.py‎

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@@ -1675,6 +1675,54 @@ def save_xml_command(
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ctx.add_command(cli_commands.save_xml, save_xml_args)
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SAVE_OTIO_HELP = """Save cuts as an OTIO timeline.
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Uses the Timeline.1 schema. OTIO (OpenTimelineIO) timelines can be imported by many video editors."""
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@click.command("save-otio", cls=Command, help=SAVE_OTIO_HELP)
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@click.option(
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"--filename",
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"-f",
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metavar="NAME",
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default=None,
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type=click.STRING,
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help="Filename format to use.%s" % (USER_CONFIG.get_help_string("save-otio", "filename")),
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)
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@click.option(
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"--name",
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"-n",
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metavar="NAME",
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default=None,
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type=click.STRING,
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help="Name of timeline to use.%s" % (USER_CONFIG.get_help_string("save-otio", "name")),
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)
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@click.option(
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"--output",
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"-o",
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metavar="DIR",
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type=click.Path(exists=False, dir_okay=True, writable=True, resolve_path=False),
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help="Output directory to save OTIO file to. Overrides global option -o/--output.%s"
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% (USER_CONFIG.get_help_string("save-otio", "output", show_default=False)),
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)
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@click.pass_context
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def save_otio_command(
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ctx: click.Context,
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filename: ty.Optional[ty.AnyStr],
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name: ty.Optional[ty.AnyStr],
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output: ty.Optional[ty.AnyStr],
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):
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ctx = ctx.obj
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assert isinstance(ctx, CliContext)
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save_otio_args = {
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"filename": ctx.config.get_value("save-otio", "filename", filename),
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"name": ctx.config.get_value("save-otio", "name", name),
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"output": ctx.config.get_value("save-otio", "output", output),
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}
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ctx.add_command(cli_commands.save_otio, save_otio_args)
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# ----------------------------------------------------------------------
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# CLI Sub-Command Registration
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# ----------------------------------------------------------------------
@@ -1702,6 +1750,7 @@ def save_xml_command(
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scenedetect.add_command(save_images_command)
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scenedetect.add_command(save_qp_command)
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scenedetect.add_command(save_xml_command)
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scenedetect.add_command(save_otio_command)
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scenedetect.add_command(split_video_command)
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# Deprecated Commands (Hidden From Help Output)

‎scenedetect/_cli/commands.py‎

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@@ -15,7 +15,9 @@
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current command-line context, as well as the processing result (scenes and cuts).
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"""
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import json
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import logging
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import os.path
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import typing as ty
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import webbrowser
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from datetime import datetime
@@ -401,12 +403,12 @@ def _save_xml_fcp(
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rate = ElementTree.SubElement(sequence, "rate")
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ElementTree.SubElement(rate, "timebase").text = str(context.video_stream.frame_rate)
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ElementTree.SubElement(rate, "ntsc").text = "FALSE"
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ElementTree.SubElement(rate, "ntsc").text = "False"
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timecode = ElementTree.SubElement(sequence, "timecode")
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tc_rate = ElementTree.SubElement(timecode, "rate")
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ElementTree.SubElement(tc_rate, "timebase").text = str(context.video_stream.frame_rate)
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ElementTree.SubElement(tc_rate, "ntsc").text = "FALSE"
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ElementTree.SubElement(tc_rate, "ntsc").text = "False"
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ElementTree.SubElement(timecode, "frame").text = "0"
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ElementTree.SubElement(timecode, "displayformat").text = "NDF"
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@@ -478,3 +480,100 @@ def save_xml(
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_save_xml_fcp(context, scenes, filename, output)
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else:
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logger.error(f"Unknown format: {format}")
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def save_otio(
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context: CliContext,
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scenes: SceneList,
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cuts: CutList,
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filename: str,
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output: str,
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name: str,
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):
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"""Saves scenes in OTIO format."""
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del cuts # We only use scene information
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video_name = context.video_stream.name
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video_path = os.path.abspath(context.video_stream.path)
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video_base_name = os.path.basename(context.video_stream.path)
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frame_rate = context.video_stream.frame_rate
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# List of track mapping to resource type.
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# TODO(#497): Allow exporting without an audio track.
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track_list = {"Video 1": "Video", "Audio 1": "Audio"}
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otio = {
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"OTIO_SCHEMA": "Timeline.1",
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"name": Template(name).safe_substitute(VIDEO_NAME=video_name),
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"global_start_time": {
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"OTIO_SCHEMA": "RationalTime.1",
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"rate": frame_rate,
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"value": 0.0,
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},
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"tracks": {
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"OTIO_SCHEMA": "Stack.1",
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"enabled": True,
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"children": [
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{
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"OTIO_SCHEMA": "Track.1",
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"name": track_name,
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"enabled": True,
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"children": [
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{
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"OTIO_SCHEMA": "Clip.2",
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"name": video_base_name,
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"source_range": {
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"OTIO_SCHEMA": "TimeRange.1",
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"duration": {
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"OTIO_SCHEMA": "RationalTime.1",
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"rate": frame_rate,
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"value": float((end - start).get_frames()),
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},
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"start_time": {
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"OTIO_SCHEMA": "RationalTime.1",
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"rate": frame_rate,
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"value": float(start.get_frames()),
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},
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},
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"enabled": True,
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"media_references": {
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"DEFAULT_MEDIA": {
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"OTIO_SCHEMA": "ExternalReference.1",
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"name": video_base_name,
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"available_range": {
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"OTIO_SCHEMA": "TimeRange.1",
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"duration": {
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"OTIO_SCHEMA": "RationalTime.1",
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"rate": frame_rate,
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"value": 1980.0,
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},
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"start_time": {
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"OTIO_SCHEMA": "RationalTime.1",
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"rate": frame_rate,
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"value": 0.0,
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},
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},
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"available_image_bounds": None,
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"target_url": video_path,
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}
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},
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"active_media_reference_key": "DEFAULT_MEDIA",
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}
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for (start, end) in scenes
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],
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"kind": track_type,
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}
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for (track_name, track_type) in track_list.items()
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],
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},
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}
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otio_path = get_and_create_path(
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Template(filename).safe_substitute(VIDEO_NAME=context.video_stream.name),
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output,
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)
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logger.info(f"Writing scenes in OTIO format to {otio_path}")
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with open(otio_path, "w") as f:
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json.dump(otio, f, indent=4)
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f.write("\n")

‎scenedetect/_cli/config.py‎

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@@ -424,6 +424,11 @@ class XmlFormat(Enum):
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"threading": True,
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"width": 0,
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},
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"save-otio": {
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"filename": "$VIDEO_NAME.otio",
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"name": "$VIDEO_NAME (PySceneDetect)",
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"output": None,
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},
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"save-qp": {
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"disable-shift": False,
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"filename": "$VIDEO_NAME.qp",

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