mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-20 23:36:38 +00:00
102 lines
3.5 KiB
Python
102 lines
3.5 KiB
Python
#!/usr/bin/env python
|
|
# -*- Mode: Python -*-
|
|
# vi:si:et:sw=4:sts=4:ts=4
|
|
#
|
|
# Copyright (C) 2019 Igalia S.L
|
|
# Authors:
|
|
# Thibault Saunier <tsaunier@igalia.com>
|
|
#
|
|
|
|
import sys
|
|
|
|
import gi
|
|
import tempfile
|
|
gi.require_version("GES", "1.0")
|
|
gi.require_version("Gst", "1.0")
|
|
|
|
from gi.repository import GObject
|
|
from gi.repository import Gst
|
|
Gst.init(None)
|
|
from gi.repository import GES
|
|
from gi.repository import GLib
|
|
from collections import OrderedDict
|
|
|
|
import opentimelineio as otio
|
|
otio.adapters.from_name('xges')
|
|
|
|
class GESOtioFormatter(GES.Formatter):
|
|
def do_save_to_uri(self, timeline, uri, overwrite):
|
|
if not Gst.uri_is_valid(uri) or Gst.uri_get_protocol(uri) != "file":
|
|
Gst.error("Protocol not supported for file: %s" % uri)
|
|
return False
|
|
|
|
with tempfile.NamedTemporaryFile(suffix=".xges") as tmpxges:
|
|
timeline.get_asset().save(timeline, "file://" + tmpxges.name, None, overwrite)
|
|
|
|
linker = otio.media_linker.MediaLinkingPolicy.ForceDefaultLinker
|
|
otio_timeline = otio.adapters.read_from_file(tmpxges.name, "xges", media_linker_name=linker)
|
|
location = Gst.uri_get_location(uri)
|
|
out_adapter = otio.adapters.from_filepath(location)
|
|
otio.adapters.write_to_file(otio_timeline, Gst.uri_get_location(uri), out_adapter.name)
|
|
|
|
return True
|
|
|
|
def do_can_load_uri(self, uri):
|
|
try:
|
|
if not Gst.uri_is_valid(uri) or Gst.uri_get_protocol(uri) != "file":
|
|
return False
|
|
except GLib.Error as e:
|
|
Gst.error(str(e))
|
|
return False
|
|
|
|
if uri.endswith(".xges"):
|
|
return False
|
|
|
|
try:
|
|
return otio.adapters.from_filepath(Gst.uri_get_location(uri)) is not None
|
|
except Exception as e:
|
|
Gst.info("Could not load %s -> %s" % (uri, e))
|
|
return False
|
|
|
|
|
|
def do_load_from_uri(self, timeline, uri):
|
|
location = Gst.uri_get_location(uri)
|
|
in_adapter = otio.adapters.from_filepath(location)
|
|
assert(in_adapter) # can_load_uri should have ensured it is loadable
|
|
|
|
linker = otio.media_linker.MediaLinkingPolicy.ForceDefaultLinker
|
|
otio_timeline = otio.adapters.read_from_file(
|
|
location,
|
|
in_adapter.name,
|
|
media_linker_name=linker
|
|
)
|
|
|
|
with tempfile.NamedTemporaryFile(suffix=".xges") as tmpxges:
|
|
otio.adapters.write_to_file(otio_timeline, tmpxges.name, "xges")
|
|
formatter = GES.Formatter.get_default().extract()
|
|
timeline.get_asset().add_formatter(formatter)
|
|
return formatter.load_from_uri(timeline, "file://" + tmpxges.name)
|
|
|
|
GObject.type_register(GESOtioFormatter)
|
|
known_extensions_mimetype_map = [
|
|
("otio", "xml", "fcpxml"),
|
|
("application/vnd.pixar.opentimelineio+json", "application/vnd.apple-xmeml+xml", "application/vnd.apple-fcp+xml")
|
|
]
|
|
|
|
extensions = []
|
|
for adapter in otio.plugins.ActiveManifest().adapters:
|
|
if adapter.name != 'xges':
|
|
extensions.extend(adapter.suffixes)
|
|
|
|
extensions_mimetype_map = [[], []]
|
|
for i, ext in enumerate(known_extensions_mimetype_map[0]):
|
|
if ext in extensions:
|
|
extensions_mimetype_map[0].append(ext)
|
|
extensions_mimetype_map[1].append(known_extensions_mimetype_map[1][i])
|
|
extensions.remove(ext)
|
|
extensions_mimetype_map[0].extend(extensions)
|
|
|
|
GES.FormatterClass.register_metas(GESOtioFormatter, "otioformatter",
|
|
"GES Formatter using OpenTimelineIO",
|
|
','.join(extensions_mimetype_map[0]),
|
|
';'.join(extensions_mimetype_map[1]), 0.1, Gst.Rank.SECONDARY)
|