gstreamer/subprojects/gst-editing-services/ges/ges-time-overlay-clip.c

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2022-03-12 03:16:09 +08:00
/**
* SECTION:gestimeoverlayclip
* @title: GESTimeOverlayClip
* @short_description: Source with a time overlay on top
* @symbols:
* - ges_source_clip_new_time_overlay
*
* A #GESSourceClip that overlays timing information on top.
*
* ## Asset
*
* The default asset ID is "time-overlay" (of type #GES_TYPE_SOURCE_CLIP),
* but the framerate and video size can be overridden using an ID of the form:
*
* ```
* time-overlay, framerate=60/1, width=1920, height=1080, max-duration=5.0
* ```
*
* ## Children properties
*
* {{ libs/GESTimeOverlayClip-children-props.md }}
*
* ## Symbols
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ges-asset.h"
#include "ges-time-overlay-clip.h"
/**
* ges_source_clip_new_time_overlay:
*
* Creates a new #GESSourceClip that renders a time overlay on top
*
* Returns: (transfer floating) (nullable): The newly created #GESSourceClip,
* or %NULL if there was an error.
* Since: 1.18
*/
GESSourceClip *
ges_source_clip_new_time_overlay (void)
{
GESSourceClip *new_clip;
GESAsset *asset = ges_asset_request (GES_TYPE_SOURCE_CLIP,
"time-overlay", NULL);
new_clip = GES_SOURCE_CLIP (ges_asset_extract (asset, NULL));
gst_object_unref (asset);
return new_clip;
}