downloadbuffer

The downloadbuffer element provides on-disk buffering and caching of, typically, a network file. temp-template should be set to a value such as /tmp/gstreamer-XXXXXX and the element will allocate a random free filename and buffer the data in the file.

With max-size-bytes and max-size-time you can configure the buffering limits. The downloadbuffer element will try to read-ahead these amounts of data. When the amount of read-ahead data drops below low-percent of the configured max, the element will start emitting BUFFERING messages until high-percent of max is reached again.

The downloadbuffer provides push and pull based scheduling on its source pad and will efficiently seek in the upstream element when needed.

The temp-location property will be used to notify the application of the allocated filename.

When the downloadbuffer has completely downloaded the media, it will post an application message named GstCacheDownloadComplete with the following information:

G_TYPE_STRING location: the location of the completely downloaded file.

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──downloadbuffer

Factory details

Authors: – Wim Taymans

Classification: – Generic

Rank – none

Plugin – coreelements

Package – GStreamer

Pad Templates

`sink`

ANY

Presence – always

Direction – sink

Object type – GstPad

`src`

ANY

Presence – always

Direction – src

Object type – GstPad

Properties

high-percent

“high-percent” gint

High threshold for buffering to finish. Emits GST_MESSAGE_BUFFERING with a value of 100%%

Flags : Read / Write

Default value : 99

low-percent

“low-percent” gint

Low threshold for buffering to start. Emits GST_MESSAGE_BUFFERING with a value of 0%%

Flags : Read / Write

Default value : 10

max-size-bytes

“max-size-bytes” guint

Max. amount of data to buffer (bytes, 0=disable)

Flags : Read / Write

Default value : 2097152

max-size-time

“max-size-time” guint64

Max. amount of data to buffer (in ns, 0=disable)

Flags : Read / Write

Default value : 2000000000

temp-location

“temp-location” gchararray

Location to store temporary files in (Only read this property, use temp-template to configure the name template)

Flags : Read

Default value : NULL

temp-remove

“temp-remove” gboolean

When temp-template is set, remove the temporary file when going to READY.

Flags : Read / Write

Default value : true

temp-template

“temp-template” gchararray

File template to store temporary files in, should contain directory and XXXXXX. (NULL == disabled)

Flags : Read / Write

Default value : NULL

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