GESUriClipAsset

GESUriClipAsset — A GESAsset subclass specialized in GESUriClip extraction

Synopsis

#include <ges/ges.h>

                    GESUriClipAsset;
GType               ges_uri_clip_asset_get_type         (void);
GstClockTime        ges_uri_clip_asset_get_duration     (GESUriClipAsset *self);
gboolean            ges_uri_clip_asset_is_image         (GESUriClipAsset *self);
GstDiscovererInfo * ges_uri_clip_asset_get_info         (const GESUriClipAsset *self);
void                ges_uri_clip_asset_new              (const gchar *uri,
                                                         GCancellable *cancellable,
                                                         GAsyncReadyCallback callback,
                                                         gpointer user_data);
GESUriClipAsset *   ges_uri_clip_asset_request_sync     (const gchar *uri,
                                                         GError **error);
const GList *       ges_uri_clip_asset_get_stream_assets
                                                        (GESUriClipAsset *self);
void                ges_uri_clip_asset_class_set_timeout
                                                        (GESUriClipAssetClass *class,
                                                         GstClockTime timeout);

Object Hierarchy

  GObject
   +----GESAsset
         +----GESClipAsset
               +----GESUriClipAsset

Implemented Interfaces

GESUriClipAsset implements GAsyncInitable, GInitable and GESMetaContainer.

Description

The GESUriClipAsset is a special GESAsset that lets you handle the media file to use inside the GStreamer Editing Services. It has APIs that let you get information about the medias. Also, the tags found in the media file are set as Metadatas of the Asser.

Details

GESUriClipAsset

typedef struct _GESUriClipAsset GESUriClipAsset;

ges_uri_clip_asset_get_type ()

GType               ges_uri_clip_asset_get_type         (void);

ges_uri_clip_asset_get_duration ()

GstClockTime        ges_uri_clip_asset_get_duration     (GESUriClipAsset *self);

Gets duration of the file represented by self

self :

 a GESUriClipAsset

Returns :

 The duration of self

ges_uri_clip_asset_is_image ()

gboolean            ges_uri_clip_asset_is_image         (GESUriClipAsset *self);

Gets Whether the file represented by self is an image or not

self :

 a indent: Standard input:311: Error:Unexpected end of file GESUriClipAsset

Returns :

 Whether the file represented by self is an image or not

ges_uri_clip_asset_get_info ()

GstDiscovererInfo * ges_uri_clip_asset_get_info         (const GESUriClipAsset *self);

Gets GstDiscovererInfo about the file

self :

 Target asset

Returns :

 GstDiscovererInfo of specified asset. [transfer none]

ges_uri_clip_asset_new ()

void                ges_uri_clip_asset_new              (const gchar *uri,
                                                         GCancellable *cancellable,
                                                         GAsyncReadyCallback callback,
                                                         gpointer user_data);

Creates a GESUriClipAsset for uri

Example of request of a GESUriClipAsset: 

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// The request callback
static void
filesource_asset_loaded_cb (GESAsset * source, GAsyncResult * res, gpointer user_data)
{
  GError *error = NULL;
  GESUriClipAsset *filesource_asset;

  filesource_asset = GES_URI_CLIP_ASSET (ges_asset_request_finish (res, &error));
  if (filesource_asset) {
   g_print ("The file: %s is usable as a FileSource, it is%s an image and lasts %" GST_TIME_FORMAT,
       ges_asset_get_id (GES_ASSET (filesource_asset))
       ges_uri_clip_asset_is_image (filesource_asset) ? "" : " not",
       GST_TIME_ARGS (ges_uri_clip_asset_get_duration (filesource_asset));
  } else {
   g_print ("The file: %s is *not* usable as a FileSource because: %s",
       ges_asset_get_id (source), error->message);
  }

  gst_object_unref (mfs);
}

// The request:
ges_uri_clip_asset_new (uri, (GAsyncReadyCallback) filesource_asset_loaded_cb, user_data);

uri :

 The URI of the file for which to create a GESUriClipAsset

cancellable :

 optional GCancellable object, NULL to ignore.

callback :

 a GAsyncReadyCallback to call when the initialization is finished. [scope async]

user_data :

 The user data to pass when callback is called

ges_uri_clip_asset_request_sync ()

GESUriClipAsset *   ges_uri_clip_asset_request_sync     (const gchar *uri,
                                                         GError **error);

Creates a GESUriClipAsset for uri syncronously. You should avoid to use it in application, and rather create GESUriClipAsset asynchronously

uri :

 The URI of the file for which to create a GESUriClipAsset

error :

 An error to be set in case something wrong happens or NULL. [allow-none]

Returns :

 A reference to the requested asset or NULL if an error happend. [transfer none]

ges_uri_clip_asset_get_stream_assets ()

const GList *       ges_uri_clip_asset_get_stream_assets
                                                        (GESUriClipAsset *self);

Get the GESUriSourceAsset self containes

self :

 A GESUriClipAsset

Returns :

 a GList of GESUriSourceAsset. [transfer none][element-type GESUriSourceAsset]

ges_uri_clip_asset_class_set_timeout ()

void                ges_uri_clip_asset_class_set_timeout
                                                        (GESUriClipAssetClass *class,
                                                         GstClockTime timeout);

Sets the timeout of GESUriClipAsset loading

class :

 The GESUriClipAssetClass on which to set the discoverer timeout

timeout :

 The timeout to set
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