mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-23 00:36:51 +00:00
a342d14ba9
It introduces a `reverse` property at the `nlesource` level which will
basically reverse playback of the clip.
We guarantee that outside that clip, the data flow looks like it was
playing forward as we add an 'identity' element with `single-segment=true`.
This start making use of the newly introduced concept of
`CHILD_PROP_FLAG_SET_ON_ALL_INSTANCES` as it is natural that
doing `source_clip.set_child_property("reverse", True)` will make
the whole clip go reverse, meaning that all the GESSource children
properties will be set. To set an individual source "reverse" child
property as the desired effect.
Fixes: https://gitlab.freedesktop.org/gstreamer/gst-editing-services/-/issues/24
Depends on: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/451
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/918>
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18 KiB
JSON
486 lines
No EOL
18 KiB
JSON
{
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"ges": {
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"description": "GStreamer Editing Services Plugin",
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"elements": {
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"gesdemux": {
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"author": "Thibault Saunier <tsaunier@igalia.com",
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"description": "Demuxer for complex timeline file formats using GES.",
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"hierarchy": [
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"GESDemux",
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"GESBaseBin",
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"GstBin",
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"GstElement",
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"GstObject",
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"GInitiallyUnowned",
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"GObject"
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],
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"interfaces": [
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"GstChildProxy"
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],
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"klass": "Codec/Demux/Editing",
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"long-name": "GStreamer Editing Services based 'demuxer'",
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"pad-templates": {
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"audio_src": {
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"caps": "audio/x-raw(ANY):\n",
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"direction": "src",
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"presence": "sometimes"
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},
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"sink": {
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"caps": "application/xges:\ntext/x-xptv:\napplication/vnd.pixar.opentimelineio+json:\napplication/vnd.apple-xmeml+xml:\napplication/vnd.apple-fcp+xml:\n",
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"direction": "sink",
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"presence": "always"
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},
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"video_src": {
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"caps": "video/x-raw(ANY):\n",
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"direction": "src",
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"presence": "sometimes"
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}
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},
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"properties": {},
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"rank": "primary",
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"signals": {}
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},
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"gessrc": {
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"author": "Thibault Saunier <tsaunier@igalia.com",
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"description": "Source for GESTimeline.",
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"hierarchy": [
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"GESSrc",
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"GESBaseBin",
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"GstBin",
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"GstElement",
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"GstObject",
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"GInitiallyUnowned",
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"GObject"
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],
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"interfaces": [
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"GstChildProxy",
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"GstURIHandler"
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],
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"klass": "Codec/Source/Editing",
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"long-name": "GStreamer Editing Services based 'source'",
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"pad-templates": {
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"audio_src": {
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"caps": "audio/x-raw(ANY):\n",
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"direction": "src",
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"presence": "sometimes"
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},
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"video_src": {
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"caps": "video/x-raw(ANY):\n",
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"direction": "src",
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"presence": "sometimes"
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}
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},
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"properties": {},
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"rank": "none",
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"signals": {}
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}
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},
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"filename": "gstges",
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"license": "LGPL",
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"other-types": {
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"GESBaseBin": {
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"hierarchy": [
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"GESBaseBin",
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"GstBin",
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"GstElement",
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"GstObject",
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"GInitiallyUnowned",
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"GObject"
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],
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"interfaces": [
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"GstChildProxy"
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],
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"kind": "object",
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"properties": {
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"timeline": {
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"blurb": "Timeline to use in this src.",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"mutable": "null",
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"readable": true,
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"type": "GESTimeline",
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"writable": true
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}
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}
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}
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},
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"package": "GStreamer Editing Services",
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"source": "gst-editing-services",
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"tracers": {},
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"url": "Unknown package origin"
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},
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"nle": {
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"description": "GStreamer Non Linear Engine",
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"elements": {
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"nlecomposition": {
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"author": "Wim Taymans <wim.taymans@gmail.com>, Edward Hervey <bilboed@bilboed.com>, Mathieu Duponchelle <mathieu.duponchelle@opencreed.com>, Thibault Saunier <tsaunier@gnome.org>",
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"description": "Combines NLE objects",
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"hierarchy": [
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"NleComposition",
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"NleObject",
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"GstBin",
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"GstElement",
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"GstObject",
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"GInitiallyUnowned",
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"GObject"
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],
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"interfaces": [
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"GstChildProxy"
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],
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"klass": "Filter/Editor",
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"long-name": "GNonLin Composition",
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"pad-templates": {
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"src": {
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"caps": "ANY",
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"direction": "src",
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"presence": "always"
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}
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},
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"properties": {
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"drop-tags": {
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"blurb": "Whether the composition should drop tags from its children",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "true",
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"mutable": "playing",
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"readable": true,
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"type": "gboolean",
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"writable": true
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},
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"id": {
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"blurb": "The stream-id of the composition",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "NULL",
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"mutable": "null",
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"readable": true,
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"type": "gchararray",
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"writable": true
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}
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},
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"rank": "none",
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"signals": {
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"commited": {
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"args": [
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{
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"name": "arg0",
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"type": "gboolean"
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}
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],
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"return-type": "void",
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"when": "first"
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}
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}
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},
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"nleoperation": {
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"author": "Wim Taymans <wim.taymans@gmail.com>, Edward Hervey <bilboed@bilboed.com>",
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"description": "Encapsulates filters/effects for use with NLE Objects",
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"hierarchy": [
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"NleOperation",
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"NleObject",
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"GstBin",
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"GstElement",
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"GstObject",
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"GInitiallyUnowned",
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"GObject"
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],
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"interfaces": [
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"GstChildProxy"
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],
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"klass": "Filter/Editor",
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"long-name": "GNonLin Operation",
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"pad-templates": {
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"sink%%d": {
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"caps": "ANY",
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"direction": "sink",
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"presence": "request"
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},
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"src": {
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"caps": "ANY",
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"direction": "src",
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"presence": "always"
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}
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},
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"properties": {
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"sinks": {
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"blurb": "Number of input sinks (-1 for automatic handling)",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "1",
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"max": "2147483647",
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"min": "-1",
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"mutable": "null",
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"readable": true,
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"type": "gint",
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"writable": true
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}
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},
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"rank": "none",
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"signals": {
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"input-priority-changed": {
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"args": [
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{
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"name": "arg0",
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"type": "GstPad"
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},
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{
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"name": "arg1",
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"type": "guint"
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}
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],
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"return-type": "void",
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"when": "last"
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}
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}
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},
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"nlesource": {
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"author": "Wim Taymans <wim.taymans@gmail.com>, Edward Hervey <bilboed@bilboed.com>",
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"description": "Manages source elements",
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"hierarchy": [
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"NleSource",
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"NleObject",
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"GstBin",
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"GstElement",
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"GstObject",
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"GInitiallyUnowned",
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"GObject"
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],
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"interfaces": [
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"GstChildProxy"
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],
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"klass": "Filter/Editor",
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"long-name": "GNonLin Source",
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"pad-templates": {
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"src": {
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"caps": "ANY",
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"direction": "src",
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"presence": "always"
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}
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},
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"properties": {
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"reverse": {
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"blurb": "Whether to playback the source reverse or not",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "false",
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"mutable": "null",
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"readable": true,
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"type": "gboolean",
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"writable": true
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}
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},
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"rank": "none",
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"signals": {}
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},
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"nleurisource": {
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"author": "Edward Hervey <bilboed@bilboed.com>",
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"description": "High-level URI Source element",
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"hierarchy": [
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"NleURISource",
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"NleSource",
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"NleObject",
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"GstBin",
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"GstElement",
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"GstObject",
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"GInitiallyUnowned",
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"GObject"
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],
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"interfaces": [
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"GstChildProxy"
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],
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"klass": "Filter/Editor",
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"long-name": "GNonLin URI Source",
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"pad-templates": {
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"src": {
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"caps": "ANY",
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"direction": "src",
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"presence": "sometimes"
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}
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},
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"properties": {
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"uri": {
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"blurb": "Uri of the file to use",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "NULL",
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"mutable": "null",
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"readable": true,
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"type": "gchararray",
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"writable": true
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}
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},
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"rank": "none",
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"signals": {}
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}
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},
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"filename": "gstnle",
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"license": "LGPL",
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"other-types": {
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"NleObject": {
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"hierarchy": [
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"NleObject",
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"GstBin",
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"GstElement",
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"GstObject",
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"GInitiallyUnowned",
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"GObject"
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],
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"interfaces": [
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"GstChildProxy"
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],
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"kind": "object",
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"properties": {
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"active": {
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"blurb": "Use this object in the NleComposition",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "true",
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"mutable": "null",
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"readable": true,
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"type": "gboolean",
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"writable": true
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},
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"caps": {
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"blurb": "Caps used to filter/choose the output stream",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "ANY",
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"mutable": "null",
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"readable": true,
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"type": "GstCaps",
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"writable": true
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},
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"duration": {
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"blurb": "Outgoing duration (in nanoseconds)",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "0",
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"max": "9223372036854775807",
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"min": "0",
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"mutable": "null",
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"readable": true,
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"type": "gint64",
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"writable": true
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},
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"expandable": {
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"blurb": "Expand to the full duration of the container composition",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "false",
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"mutable": "null",
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"readable": true,
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"type": "gboolean",
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"writable": true
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},
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"inpoint": {
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"blurb": "The media start position (in nanoseconds)",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "18446744073709551615",
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"max": "18446744073709551615",
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"min": "0",
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"mutable": "null",
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"readable": true,
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"type": "guint64",
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"writable": true
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},
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"media-duration-factor": {
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"blurb": "The relative rate caused by this object",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "1",
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"max": "1.79769e+308",
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"min": "0.01",
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"mutable": "null",
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"readable": true,
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"type": "gdouble",
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"writable": true
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},
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"priority": {
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"blurb": "The priority of the object (0 = highest priority)",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "0",
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"max": "-1",
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"min": "0",
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"mutable": "null",
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"readable": true,
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"type": "guint",
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"writable": true
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},
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"start": {
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"blurb": "The start position relative to the parent (in nanoseconds)",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "0",
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"max": "18446744073709551615",
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"min": "0",
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"mutable": "null",
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"readable": true,
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"type": "guint64",
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"writable": true
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},
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"stop": {
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"blurb": "The stop position relative to the parent (in nanoseconds)",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "0",
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"max": "18446744073709551615",
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"min": "0",
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"mutable": "null",
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"readable": true,
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"type": "guint64",
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"writable": false
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}
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},
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"signals": {
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"commit": {
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"action": true,
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"args": [
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{
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"name": "arg0",
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"type": "gboolean"
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}
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],
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"return-type": "gboolean",
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"when": "last"
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}
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}
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}
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},
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"package": "GStreamer Editing Services",
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"source": "gst-editing-services",
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"tracers": {},
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"url": "Unknown package origin"
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}
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} |