# GStreamer (/examples/libs/gstreamer)



Video pipeline integration for playing streams and media files inside LVGL widgets.

GStreamer URI player with controls [#gstreamer-uri-player-with-controls]

<LvglExampleBrief>
  Stream a WebM clip over HTTPS with a custom play/pause button and position slider.
</LvglExampleBrief>

`lv_gstreamer_create` opens the Sintel trailer through
`LV_GSTREAMER_FACTORY_URI_DECODE` and `LV_GSTREAMER_PROPERTY_URI_DECODE`.
A side column binds a volume slider and label to an `lv_subject_t` that
forwards new values to `lv_gstreamer_set_volume`. A bottom bar holds a
position label, a play/pause button whose label switches between
`LV_SYMBOL_PLAY`, `LV_SYMBOL_PAUSE`, and `LV_SYMBOL_REFRESH`, an
`lv_bar` bound to a position subject, and a duration label.
`LV_EVENT_STATE_CHANGED` updates the duration text when the stream
starts, and a timer running at `LV_DEF_REFR_PERIOD` polls
`lv_gstreamer_get_position` to update the seek bar.

<LvglExample name="lv_example_gstreamer_1" path="libs/gstreamer/lv_example_gstreamer_1" />