gst_plugins_cache.json 136 KB
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{
    "coreelements": {
        "description": "GStreamer core elements",
        "elements": {
            "capsfilter": {
                "author": "David Schleef <ds@schleef.org>",
                "description": "Pass data without modification, limiting formats",
                "hierarchy": [
                    "GstCapsFilter",
                    "GstBaseTransform",
                    "GstElement",
                    "GstObject",
                    "GInitiallyUnowned",
                    "GObject"
                ],
                "klass": "Generic",
                "long-name": "CapsFilter",
                "pad-templates": {
                    "sink": {
                        "caps": "ANY",
                        "direction": "sink",
                        "presence": "always"
                    },
                    "src": {
                        "caps": "ANY",
                        "direction": "src",
                        "presence": "always"
                    }
                },
                "properties": {
                    "caps": {
                        "blurb": "Restrict the possible allowed capabilities (NULL means ANY). Setting this property takes a reference to the supplied GstCaps object.",
                        "construct": false,
                        "construct-only": false,
                        "default": "ANY",
                        "type-name": "GstCaps",
                        "writable": true
                    },
                    "caps-change-mode": {
                        "blurb": "Filter caps change behaviour",
                        "construct": false,
                        "construct-only": false,
                        "default": "immediate (0)",
                        "enum": true,
                        "type-name": "GstCapsFilterCapsChangeMode",
                        "values": [
                            {
                                "desc": "Only accept the current filter caps",
                                "name": "immediate",
                                "value": "0"
                            },
                            {
                                "desc": "Temporarily accept previous filter caps",
                                "name": "delayed",
                                "value": "1"
                            }
                        ],
                        "writable": true
                    },
                    "name": {
                        "blurb": "The name of the object",
                        "construct": true,
                        "construct-only": false,
                        "default": "NULL",
                        "type-name": "gchararray",
                        "writable": true
                    },
                    "parent": {
                        "blurb": "The parent of the object",
                        "construct": false,
                        "construct-only": false,
                        "type-name": "GstObject",
                        "writable": true
                    },
                    "qos": {
                        "blurb": "Handle Quality-of-Service events",
                        "construct": false,
                        "construct-only": false,
                        "default": "false",
                        "type-name": "gboolean",
                        "writable": true
                    }
                },
                "rank": "none"
            },
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            "clocksync": {
                "author": "Jan Schmidt <jan@centricular.com>",
                "description": "Synchronise buffers to the clock",
                "hierarchy": [
                    "GstClockSync",
                    "GstElement",
                    "GstObject",
                    "GInitiallyUnowned",
                    "GObject"
                ],
                "klass": "Generic",
                "long-name": "ClockSync",
                "pad-templates": {
                    "sink": {
                        "caps": "ANY",
                        "direction": "sink",
                        "presence": "always"
                    },
                    "src": {
                        "caps": "ANY",
                        "direction": "src",
                        "presence": "always"
                    }
                },
                "properties": {
                    "signal-handoffs": {
                        "blurb": "Send a signal before pushing the buffer",
                        "construct": false,
                        "construct-only": false,
                        "default": "false",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "sync": {
                        "blurb": "Synchronize to pipeline clock",
                        "construct": false,
                        "construct-only": false,
                        "default": "true",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "ts-offset": {
                        "blurb": "Timestamp offset in nanoseconds for synchronisation, negative for earlier sync",
                        "construct": false,
                        "construct-only": false,
                        "default": "0",
                        "max": "9223372036854775807",
                        "min": "-9223372036854775808",
                        "type-name": "gint64",
                        "writable": true
                    }
                },
                "rank": "none",
                "signals": {
                    "handoff": {
                        "args": [
                            "GstBuffer"
                        ],
                        "retval": "void"
                    },
                    "handoff-list": {
                        "args": [
                            "GstBufferList"
                        ],
                        "retval": "void"
                    }
                }
            },
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            "concat": {
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                "author": "Sebastian Dröge <sebastian@centricular.com>",
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                "description": "Concatenate multiple streams",
                "hierarchy": [
                    "GstConcat",
                    "GstElement",
                    "GstObject",
                    "GInitiallyUnowned",
                    "GObject"
                ],
                "klass": "Generic",
                "long-name": "Concat",
                "pad-templates": {
                    "sink_%%u": {
                        "caps": "ANY",
                        "direction": "sink",
                        "presence": "request"
                    },
                    "src": {
                        "caps": "ANY",
                        "direction": "src",
                        "presence": "always"
                    }
                },
                "properties": {
                    "active-pad": {
                        "blurb": "Currently active src pad",
                        "construct": false,
                        "construct-only": false,
                        "type-name": "GstPad",
                        "writable": false
                    },
                    "adjust-base": {
                        "blurb": "Adjust the base value of segments to ensure they are adjacent",
                        "construct": false,
                        "construct-only": false,
                        "default": "true",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "name": {
                        "blurb": "The name of the object",
                        "construct": true,
                        "construct-only": false,
                        "default": "NULL",
                        "type-name": "gchararray",
                        "writable": true
                    },
                    "parent": {
                        "blurb": "The parent of the object",
                        "construct": false,
                        "construct-only": false,
                        "type-name": "GstObject",
                        "writable": true
                    }
                },
                "rank": "none"
            },
            "dataurisrc": {
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                "author": "Philippe Normand <pnormand@igalia.com>, Sebastian Dröge <sebastian.droege@collabora.co.uk>",
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                "description": "Handles data: uris",
                "hierarchy": [
                    "GstDataURISrc",
                    "GstBaseSrc",
                    "GstElement",
                    "GstObject",
                    "GInitiallyUnowned",
                    "GObject"
                ],
                "klass": "Source",
                "long-name": "data: URI source element",
                "pad-templates": {
                    "src": {
                        "caps": "ANY",
                        "direction": "src",
                        "presence": "always"
                    }
                },
                "properties": {
                    "blocksize": {
                        "blurb": "Size in bytes to read per buffer (-1 = default)",
                        "construct": false,
                        "construct-only": false,
                        "default": "4096",
                        "max": "-1",
                        "min": "0",
                        "type-name": "guint",
                        "writable": true
                    },
                    "do-timestamp": {
                        "blurb": "Apply current stream time to buffers",
                        "construct": false,
                        "construct-only": false,
                        "default": "false",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "name": {
                        "blurb": "The name of the object",
                        "construct": true,
                        "construct-only": false,
                        "default": "NULL",
                        "type-name": "gchararray",
                        "writable": true
                    },
                    "num-buffers": {
                        "blurb": "Number of buffers to output before sending EOS (-1 = unlimited)",
                        "construct": false,
                        "construct-only": false,
                        "default": "-1",
                        "max": "2147483647",
                        "min": "-1",
                        "type-name": "gint",
                        "writable": true
                    },
                    "parent": {
                        "blurb": "The parent of the object",
                        "construct": false,
                        "construct-only": false,
                        "type-name": "GstObject",
                        "writable": true
                    },
                    "typefind": {
                        "blurb": "Run typefind before negotiating (deprecated, non-functional)",
                        "construct": false,
                        "construct-only": false,
                        "default": "false",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "uri": {
                        "blurb": "URI that should be used",
                        "construct": false,
                        "construct-only": false,
                        "default": "NULL",
                        "type-name": "gchararray",
                        "writable": true
                    }
                },
                "rank": "primary"
            },
            "downloadbuffer": {
                "author": "Wim Taymans <wim.taymans@gmail.com>",
                "description": "Download Buffer element",
                "hierarchy": [
                    "GstDownloadBuffer",
                    "GstElement",
                    "GstObject",
                    "GInitiallyUnowned",
                    "GObject"
                ],
                "klass": "Generic",
                "long-name": "DownloadBuffer",
                "pad-templates": {
                    "sink": {
                        "caps": "ANY",
                        "direction": "sink",
                        "presence": "always"
                    },
                    "src": {
                        "caps": "ANY",
                        "direction": "src",
                        "presence": "always"
                    }
                },
                "properties": {
                    "high-percent": {
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                        "blurb": "High threshold for buffering to finish. Emits GST_MESSAGE_BUFFERING with a value of 100%%",
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                        "construct": false,
                        "construct-only": false,
                        "default": "99",
                        "max": "100",
                        "min": "0",
                        "type-name": "gint",
                        "writable": true
                    },
                    "low-percent": {
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                        "blurb": "Low threshold for buffering to start. Emits GST_MESSAGE_BUFFERING with a value of 0%%",
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                        "construct": false,
                        "construct-only": false,
                        "default": "10",
                        "max": "100",
                        "min": "0",
                        "type-name": "gint",
                        "writable": true
                    },
                    "max-size-bytes": {
                        "blurb": "Max. amount of data to buffer (bytes, 0=disable)",
                        "construct": false,
                        "construct-only": false,
                        "default": "2097152",
                        "max": "-1",
                        "min": "0",
                        "type-name": "guint",
                        "writable": true
                    },
                    "max-size-time": {
                        "blurb": "Max. amount of data to buffer (in ns, 0=disable)",
                        "construct": false,
                        "construct-only": false,
                        "default": "2000000000",
                        "max": "18446744073709551615",
                        "min": "0",
                        "type-name": "guint64",
                        "writable": true
                    },
                    "name": {
                        "blurb": "The name of the object",
                        "construct": true,
                        "construct-only": false,
                        "default": "NULL",
                        "type-name": "gchararray",
                        "writable": true
                    },
                    "parent": {
                        "blurb": "The parent of the object",
                        "construct": false,
                        "construct-only": false,
                        "type-name": "GstObject",
                        "writable": true
                    },
                    "temp-location": {
                        "blurb": "Location to store temporary files in (Only read this property, use temp-template to configure the name template)",
                        "construct": false,
                        "construct-only": false,
                        "default": "NULL",
                        "type-name": "gchararray",
                        "writable": false
                    },
                    "temp-remove": {
                        "blurb": "Remove the temp-location after use",
                        "construct": false,
                        "construct-only": false,
                        "default": "true",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "temp-template": {
                        "blurb": "File template to store temporary files in, should contain directory and XXXXXX. (NULL == disabled)",
                        "construct": false,
                        "construct-only": false,
                        "default": "NULL",
                        "type-name": "gchararray",
                        "writable": true
                    }
                },
                "rank": "none"
            },
            "fakesink": {
                "author": "Erik Walthinsen <omega@cse.ogi.edu>, Wim Taymans <wim@fluendo.com>, Mr. 'frag-me-more' Vanderwingo <wingo@fluendo.com>",
                "description": "Black hole for data",
                "hierarchy": [
                    "GstFakeSink",
                    "GstBaseSink",
                    "GstElement",
                    "GstObject",
                    "GInitiallyUnowned",
                    "GObject"
                ],
                "klass": "Sink",
                "long-name": "Fake Sink",
                "pad-templates": {
                    "sink": {
                        "caps": "ANY",
                        "direction": "sink",
                        "presence": "always"
                    }
                },
                "properties": {
                    "async": {
                        "blurb": "Go asynchronously to PAUSED",
                        "construct": false,
                        "construct-only": false,
                        "default": "true",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "blocksize": {
                        "blurb": "Size in bytes to pull per buffer (0 = default)",
                        "construct": false,
                        "construct-only": false,
                        "default": "4096",
                        "max": "-1",
                        "min": "0",
                        "type-name": "guint",
                        "writable": true
                    },
                    "can-activate-pull": {
                        "blurb": "Can activate in pull mode",
                        "construct": false,
                        "construct-only": false,
                        "default": "false",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "can-activate-push": {
                        "blurb": "Can activate in push mode",
                        "construct": false,
                        "construct-only": false,
                        "default": "true",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "drop-out-of-segment": {
                        "blurb": "Drop and don't render / hand off out-of-segment buffers",
                        "construct": false,
                        "construct-only": false,
                        "default": "true",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "dump": {
                        "blurb": "Dump buffer contents to stdout",
                        "construct": false,
                        "construct-only": false,
                        "default": "false",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "enable-last-sample": {
                        "blurb": "Enable the last-sample property",
                        "construct": false,
                        "construct-only": false,
                        "default": "true",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "last-message": {
                        "blurb": "The message describing current status",
                        "construct": false,
                        "construct-only": false,
                        "default": "NULL",
                        "type-name": "gchararray",
                        "writable": false
                    },
                    "last-sample": {
                        "blurb": "The last sample received in the sink",
                        "construct": false,
                        "construct-only": false,
                        "type-name": "GstSample",
                        "writable": false
                    },
                    "max-bitrate": {
                        "blurb": "The maximum bits per second to render (0 = disabled)",
                        "construct": false,
                        "construct-only": false,
                        "default": "0",
                        "max": "18446744073709551615",
                        "min": "0",
                        "type-name": "guint64",
                        "writable": true
                    },
                    "max-lateness": {
                        "blurb": "Maximum number of nanoseconds that a buffer can be late before it is dropped (-1 unlimited)",
                        "construct": false,
                        "construct-only": false,
                        "default": "18446744073709551615",
                        "max": "9223372036854775807",
                        "min": "-1",
                        "type-name": "gint64",
                        "writable": true
                    },
                    "name": {
                        "blurb": "The name of the object",
                        "construct": true,
                        "construct-only": false,
                        "default": "NULL",
                        "type-name": "gchararray",
                        "writable": true
                    },
                    "num-buffers": {
                        "blurb": "Number of buffers to accept going EOS",
                        "construct": false,
                        "construct-only": false,
                        "default": "-1",
                        "max": "2147483647",
                        "min": "-1",
                        "type-name": "gint",
                        "writable": true
                    },
                    "parent": {
                        "blurb": "The parent of the object",
                        "construct": false,
                        "construct-only": false,
                        "type-name": "GstObject",
                        "writable": true
                    },
                    "processing-deadline": {
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                        "blurb": "Maximum processing time for a buffer in nanoseconds",
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                        "construct": false,
                        "construct-only": false,
                        "default": "20000000",
                        "max": "18446744073709551615",
                        "min": "0",
                        "type-name": "guint64",
                        "writable": true
                    },
                    "qos": {
                        "blurb": "Generate Quality-of-Service events upstream",
                        "construct": false,
                        "construct-only": false,
                        "default": "false",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "render-delay": {
                        "blurb": "Additional render delay of the sink in nanoseconds",
                        "construct": false,
                        "construct-only": false,
                        "default": "0",
                        "max": "18446744073709551615",
                        "min": "0",
                        "type-name": "guint64",
                        "writable": true
                    },
                    "signal-handoffs": {
                        "blurb": "Send a signal before unreffing the buffer",
                        "construct": false,
                        "construct-only": false,
                        "default": "false",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "silent": {
                        "blurb": "Don't produce last_message events",
                        "construct": false,
                        "construct-only": false,
                        "default": "true",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "state-error": {
                        "blurb": "Generate a state change error",
                        "construct": false,
                        "construct-only": false,
                        "default": "none (0)",
                        "enum": true,
                        "type-name": "GstFakeSinkStateError",
                        "values": [
                            {
                                "desc": "No state change errors",
                                "name": "none",
                                "value": "0"
                            },
                            {
                                "desc": "Fail state change from NULL to READY",
                                "name": "null-to-ready",
                                "value": "1"
                            },
                            {
                                "desc": "Fail state change from READY to PAUSED",
                                "name": "ready-to-paused",
                                "value": "2"
                            },
                            {
                                "desc": "Fail state change from PAUSED to PLAYING",
                                "name": "paused-to-playing",
                                "value": "3"
                            },
                            {
                                "desc": "Fail state change from PLAYING to PAUSED",
                                "name": "playing-to-paused",
                                "value": "4"
                            },
                            {
                                "desc": "Fail state change from PAUSED to READY",
                                "name": "paused-to-ready",
                                "value": "5"
                            },
                            {
                                "desc": "Fail state change from READY to NULL",
                                "name": "ready-to-null",
                                "value": "6"
                            }
                        ],
                        "writable": true
                    },
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                    "stats": {
                        "blurb": "Sink Statistics",
                        "construct": false,
                        "construct-only": false,
                        "default": "application/x-gst-base-sink-stats, average-rate=(double)0, dropped=(guint64)0, rendered=(guint64)0;",
                        "type-name": "GstStructure",
                        "writable": false
                    },
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                    "sync": {
                        "blurb": "Sync on the clock",
                        "construct": false,
                        "construct-only": false,
                        "default": "false",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "throttle-time": {
                        "blurb": "The time to keep between rendered buffers (0 = disabled)",
                        "construct": false,
                        "construct-only": false,
                        "default": "0",
                        "max": "18446744073709551615",
                        "min": "0",
                        "type-name": "guint64",
                        "writable": true
                    },
                    "ts-offset": {
                        "blurb": "Timestamp offset in nanoseconds",
                        "construct": false,
                        "construct-only": false,
                        "default": "0",
                        "max": "9223372036854775807",
                        "min": "-9223372036854775808",
                        "type-name": "gint64",
                        "writable": true
                    }
                },
                "rank": "none",
                "signals": {
                    "handoff": {
                        "args": [
                            "GstBuffer",
                            "GstPad"
                        ],
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                        "retval": "void",
                        "when": "last"
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                    },
                    "preroll-handoff": {
                        "args": [
                            "GstBuffer",
                            "GstPad"
                        ],
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                        "retval": "void",
                        "when": "last"
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                    }
                }
            },
            "fakesrc": {
                "author": "Erik Walthinsen <omega@cse.ogi.edu>, Wim Taymans <wim@fluendo.com>",
                "description": "Push empty (no data) buffers around",
                "hierarchy": [
                    "GstFakeSrc",
                    "GstBaseSrc",
                    "GstElement",
                    "GstObject",
                    "GInitiallyUnowned",
                    "GObject"
                ],
                "klass": "Source",
                "long-name": "Fake Source",
                "pad-templates": {
                    "src": {
                        "caps": "ANY",
                        "direction": "src",
                        "presence": "always"
                    }
                },
                "properties": {
                    "blocksize": {
                        "blurb": "Size in bytes to read per buffer (-1 = default)",
                        "construct": false,
                        "construct-only": false,
                        "default": "4096",
                        "max": "-1",
                        "min": "0",
                        "type-name": "guint",
                        "writable": true
                    },
                    "can-activate-pull": {
                        "blurb": "Can activate in pull mode",
                        "construct": true,
                        "construct-only": false,
                        "default": "true",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "can-activate-push": {
                        "blurb": "Can activate in push mode",
                        "construct": true,
                        "construct-only": false,
                        "default": "true",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "data": {
                        "blurb": "Data allocation method",
                        "construct": false,
                        "construct-only": false,
                        "default": "allocate (1)",
                        "enum": true,
                        "type-name": "GstFakeSrcDataType",
                        "values": [
                            {
                                "desc": "Allocate data",
                                "name": "allocate",
                                "value": "1"
                            },
                            {
                                "desc": "Subbuffer data",
                                "name": "subbuffer",
                                "value": "2"
                            }
                        ],
                        "writable": true
                    },
                    "datarate": {
                        "blurb": "Timestamps buffers with number of bytes per second (0 = none)",
                        "construct": false,
                        "construct-only": false,
                        "default": "0",
                        "max": "2147483647",
                        "min": "0",
                        "type-name": "gint",
                        "writable": true
                    },
                    "do-timestamp": {
                        "blurb": "Apply current stream time to buffers",
                        "construct": false,
                        "construct-only": false,
                        "default": "false",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "dump": {
                        "blurb": "Dump buffer contents to stdout",
                        "construct": false,
                        "construct-only": false,
                        "default": "false",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "filltype": {
                        "blurb": "How to fill the buffer, if at all",
                        "construct": false,
                        "construct-only": false,
                        "default": "nothing (1)",
                        "enum": true,
                        "type-name": "GstFakeSrcFillType",
                        "values": [
                            {
                                "desc": "Leave data as malloced",
                                "name": "nothing",
                                "value": "1"
                            },
                            {
                                "desc": "Fill buffers with zeros",
                                "name": "zero",
                                "value": "2"
                            },
                            {
                                "desc": "Fill buffers with random data",
                                "name": "random",
                                "value": "3"
                            },
                            {
                                "desc": "Fill buffers with pattern 0x00 -> 0xff",
                                "name": "pattern",
                                "value": "4"
                            },
                            {
                                "desc": "Fill buffers with pattern 0x00 -> 0xff that spans buffers",
                                "name": "pattern-span",
                                "value": "5"
                            }
                        ],
                        "writable": true
                    },
                    "format": {
                        "blurb": "The format of the segment events",
                        "construct": false,
                        "construct-only": false,
                        "default": "bytes (2)",
                        "enum": true,
                        "type-name": "GstFormat",
                        "values": [
                            {
                                "desc": "GST_FORMAT_UNDEFINED",
                                "name": "undefined",
                                "value": "0"
                            },
                            {
                                "desc": "GST_FORMAT_DEFAULT",
                                "name": "default",
                                "value": "1"
                            },
                            {
                                "desc": "GST_FORMAT_BYTES",
                                "name": "bytes",
                                "value": "2"
                            },
                            {
                                "desc": "GST_FORMAT_TIME",
                                "name": "time",
                                "value": "3"
                            },
                            {
                                "desc": "GST_FORMAT_BUFFERS",
                                "name": "buffers",
                                "value": "4"
                            },
                            {
                                "desc": "GST_FORMAT_PERCENT",
                                "name": "percent",
                                "value": "5"
                            }
                        ],
                        "writable": true
                    },
                    "is-live": {
                        "blurb": "True if the element cannot produce data in PAUSED",
                        "construct": true,
                        "construct-only": false,
                        "default": "false",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "last-message": {
                        "blurb": "The last status message",
                        "construct": false,
                        "construct-only": false,
                        "default": "NULL",
                        "type-name": "gchararray",
                        "writable": false
                    },
                    "name": {
                        "blurb": "The name of the object",
                        "construct": true,
                        "construct-only": false,
                        "default": "NULL",
                        "type-name": "gchararray",
                        "writable": true
                    },
                    "num-buffers": {
                        "blurb": "Number of buffers to output before sending EOS (-1 = unlimited)",
                        "construct": false,
                        "construct-only": false,
                        "default": "-1",
                        "max": "2147483647",
                        "min": "-1",
                        "type-name": "gint",
                        "writable": true
                    },
                    "parent": {
                        "blurb": "The parent of the object",
                        "construct": false,
                        "construct-only": false,
                        "type-name": "GstObject",
                        "writable": true
                    },
                    "parentsize": {
                        "blurb": "Size of parent buffer for sub-buffered allocation",
                        "construct": false,
                        "construct-only": false,
                        "default": "40960",
                        "max": "2147483647",
                        "min": "0",
                        "type-name": "gint",
                        "writable": true
                    },
                    "pattern": {
                        "blurb": "Set the pattern (unused)",
                        "construct": false,
                        "construct-only": false,
                        "default": "NULL",
                        "type-name": "gchararray",
                        "writable": true
                    },
                    "signal-handoffs": {
                        "blurb": "Send a signal before pushing the buffer",
                        "construct": false,
                        "construct-only": false,
                        "default": "false",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "silent": {
                        "blurb": "Don't produce last_message events",
                        "construct": false,
                        "construct-only": false,
                        "default": "true",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "sizemax": {
                        "blurb": "Maximum buffer size",
                        "construct": false,
                        "construct-only": false,
                        "default": "4096",
                        "max": "2147483647",
                        "min": "0",
                        "type-name": "gint",
                        "writable": true
                    },
                    "sizemin": {
                        "blurb": "Minimum buffer size",
                        "construct": false,
                        "construct-only": false,
                        "default": "0",
                        "max": "2147483647",
                        "min": "0",
                        "type-name": "gint",
                        "writable": true
                    },
                    "sizetype": {
                        "blurb": "How to determine buffer sizes",
                        "construct": false,
                        "construct-only": false,
                        "default": "empty (1)",
                        "enum": true,
                        "type-name": "GstFakeSrcSizeType",
                        "values": [
                            {
                                "desc": "Send empty buffers",
                                "name": "empty",
                                "value": "1"
                            },
                            {
                                "desc": "Fixed size buffers (sizemax sized)",
                                "name": "fixed",
                                "value": "2"
                            },
                            {
                                "desc": "Random sized buffers (sizemin <= size <= sizemax)",
                                "name": "random",
                                "value": "3"
                            }
                        ],
                        "writable": true
                    },
                    "sync": {
                        "blurb": "Sync to the clock to the datarate",
                        "construct": false,
                        "construct-only": false,
                        "default": "false",
                        "type-name": "gboolean",
                        "writable": true
                    },
                    "typefind": {
                        "blurb": "Run typefind before negotiating (deprecated, non-functional)",
                        "construct": false,
                        "construct-only": false,
                        "default": "false",
                        "type-name": "gboolean",
                        "writable": true
                    }
                },
                "rank": "none",
                "signals": {
                    "handoff": {
                        "args": [