ClutterGstPlayback

ClutterGstPlayback — A ClutterGstPlayback to play media streams

Functions

ClutterGstPlayback * clutter_gst_playback_new ()
gint clutter_gst_playback_get_audio_stream ()
GList * clutter_gst_playback_get_audio_streams ()
gint64 clutter_gst_playback_get_buffer_duration ()
gdouble clutter_gst_playback_get_buffer_fill ()
ClutterGstBufferingMode clutter_gst_playback_get_buffering_mode ()
gint clutter_gst_playback_get_buffer_size ()
gdouble clutter_gst_playback_get_duration ()
gboolean clutter_gst_playback_get_in_seek ()
gdouble clutter_gst_playback_get_position ()
gdouble clutter_gst_playback_get_progress ()
ClutterGstSeekFlags clutter_gst_playback_get_seek_flags ()
gchar * clutter_gst_playback_get_subtitle_font_name ()
gint clutter_gst_playback_get_subtitle_track ()
GList * clutter_gst_playback_get_subtitle_tracks ()
gchar * clutter_gst_playback_get_subtitle_uri ()
gchar * clutter_gst_playback_get_uri ()
gchar * clutter_gst_playback_get_user_agent ()
gboolean clutter_gst_playback_is_live_media ()
void clutter_gst_playback_set_audio_stream ()
void clutter_gst_playback_set_buffer_duration ()
void clutter_gst_playback_set_buffering_mode ()
void clutter_gst_playback_set_buffer_size ()
void clutter_gst_playback_set_filename ()
void clutter_gst_playback_set_progress ()
void clutter_gst_playback_set_seek_flags ()
void clutter_gst_playback_set_subtitle_font_name ()
void clutter_gst_playback_set_subtitle_track ()
void clutter_gst_playback_set_subtitle_uri ()
void clutter_gst_playback_set_uri ()
void clutter_gst_playback_set_user_agent ()

Properties

gint audio-stream Read / Write
gpointer audio-streams Read
gdouble buffer-fill Read
gboolean can-seek Read
gdouble duration Read
gboolean in-seek Read
gdouble progress Read / Write
ClutterGstSeekFlags seek-flags Read / Write
gchar * subtitle-font-name Read / Write
gint subtitle-track Read / Write
gpointer subtitle-tracks Read
gchar * subtitle-uri Read / Write
gchar * uri Read / Write
gchar * user-agent Read / Write

Signals

gboolean should-buffer Run Last

Types and Values

Object Hierarchy

    GObject
    ╰── ClutterGstPlayback

Implemented Interfaces

ClutterGstPlayback implements ClutterGstPlayer.

Description

ClutterGstPlayback implements ClutterGstPlayer.

Functions

clutter_gst_playback_new ()

ClutterGstPlayback *
clutter_gst_playback_new (void);

Returns


clutter_gst_playback_get_audio_stream ()

gint
clutter_gst_playback_get_audio_stream (ClutterGstPlayback *self);

Get the current audio stream. The number returned in the index of the audio stream playing in the list returned by clutter_gst_playback_get_audio_streams().

Parameters

self

a ClutterGstPlayback

 

Returns

the index of the current audio stream, -1 if the media has no audio stream

Since 1.4


clutter_gst_playback_get_audio_streams ()

GList *
clutter_gst_playback_get_audio_streams
                               (ClutterGstPlayback *self);

Get the list of audio streams of the current media.

Parameters

self

a ClutterGstPlayback

 

Returns

a list of strings describing the available audio streams.

[transfer none][element-type utf8]

Since 1.4


clutter_gst_playback_get_buffer_duration ()

gint64
clutter_gst_playback_get_buffer_duration
                               (ClutterGstPlayback *self);

Retrieves the buffer duration when buffering network streams.

Parameters

self

a ClutterGstPlayback

 

Returns

The buffer duration


clutter_gst_playback_get_buffer_fill ()

gdouble
clutter_gst_playback_get_buffer_fill (ClutterGstPlayback *self);

Retrieves the amount of the stream that is buffered.

Parameters

self

a ClutterGstPlayback

 

Returns

the fill level, between 0.0 and 1.0


clutter_gst_playback_get_buffering_mode ()

ClutterGstBufferingMode
clutter_gst_playback_get_buffering_mode
                               (ClutterGstPlayback *self);

Parameters

self

a ClutterGstPlayback

 

Returns

a ClutterGstBufferingMode

Since 1.4


clutter_gst_playback_get_buffer_size ()

gint
clutter_gst_playback_get_buffer_size (ClutterGstPlayback *self);

Retrieves the buffer size when buffering network streams.

Parameters

self

a ClutterGstPlayback

 

Returns

The buffer size


clutter_gst_playback_get_duration ()

gdouble
clutter_gst_playback_get_duration (ClutterGstPlayback *self);

Retrieves the duration of the media stream that self represents.

Parameters

self

a ClutterGstPlayback

 

Returns

the duration of the media stream, in seconds


clutter_gst_playback_get_in_seek ()

gboolean
clutter_gst_playback_get_in_seek (ClutterGstPlayback *self);

Whether the player is seeking.

Parameters

self

a ClutterGstPlayback

 

Returns

TRUE if the player is seeking, FALSE otherwise.

Since 1.6


clutter_gst_playback_get_position ()

gdouble
clutter_gst_playback_get_position (ClutterGstPlayback *self);

Retrieves the position in the media stream that self represents.

Parameters

self

a ClutterGstPlayback

 

Returns

the position in the media stream, in seconds


clutter_gst_playback_get_progress ()

gdouble
clutter_gst_playback_get_progress (ClutterGstPlayback *self);

Retrieves the playback progress of self .

Parameters

self

a ClutterGstPlayback

 

Returns

the playback progress, between 0.0 and 1.0


clutter_gst_playback_get_seek_flags ()

ClutterGstSeekFlags
clutter_gst_playback_get_seek_flags (ClutterGstPlayback *self);

Get the current value of the seek-flags property.

Parameters

self

a ClutterGstPlayback

 

Returns

a combination of ClutterGstSeekFlags

Since 1.4


clutter_gst_playback_get_subtitle_font_name ()

gchar *
clutter_gst_playback_get_subtitle_font_name
                               (ClutterGstPlayback *self);

Retrieves the font name currently used.

Parameters

self

a ClutterGstPlayback

 

Returns

a string containing the font name. Use g_free() to free the returned string


clutter_gst_playback_get_subtitle_track ()

gint
clutter_gst_playback_get_subtitle_track
                               (ClutterGstPlayback *self);

Get the current subtitles track. The number returned is the index of the subtiles track in the list returned by clutter_gst_playback_get_subtitle_tracks().

Parameters

self

a ClutterGstPlayback

 

Returns

the index of the current subtitlest track, -1 if the media has no subtitles track or if the subtitles have been turned off

Since 1.4


clutter_gst_playback_get_subtitle_tracks ()

GList *
clutter_gst_playback_get_subtitle_tracks
                               (ClutterGstPlayback *self);

Get the list of subtitles tracks of the current media.

Parameters

self

a ClutterGstPlayback

 

Returns

a list of strings describing the available subtitles tracks.

[transfer none][element-type utf8]

Since 1.4


clutter_gst_playback_get_subtitle_uri ()

gchar *
clutter_gst_playback_get_subtitle_uri (ClutterGstPlayback *self);

Retrieves the URI of the subtitle file in use.

Parameters

self

a ClutterGstPlayback

 

Returns

the URI of the subtitle file. Use g_free() to free the returned string


clutter_gst_playback_get_uri ()

gchar *
clutter_gst_playback_get_uri (ClutterGstPlayback *self);

Retrieves the URI from self .

Parameters

self

a ClutterGstPlayback

 

Returns

the URI of the media stream. Use g_free() to free the returned string


clutter_gst_playback_get_user_agent ()

gchar *
clutter_gst_playback_get_user_agent (ClutterGstPlayback *self);

Retrieves the user agent used when streaming.

Parameters

self

a ClutterGstPlayback

 

Returns

the user agent used. The returned string has to be freed with g_free()

Since 1.4


clutter_gst_playback_is_live_media ()

gboolean
clutter_gst_playback_is_live_media (ClutterGstPlayback *self);

Whether the player is using a live media.

Parameters

self

a ClutterGstPlayback

 

Returns

TRUE if the player is using a live media, FALSE otherwise.


clutter_gst_playback_set_audio_stream ()

void
clutter_gst_playback_set_audio_stream (ClutterGstPlayback *self,
                                       gint index_);

Set the audio stream to play. index_ is the index of the stream in the list returned by clutter_gst_playback_get_audio_streams().

Parameters

self

a ClutterGstPlayback

 

index_

the index of the audio stream

 

Since 1.4


clutter_gst_playback_set_buffer_duration ()

void
clutter_gst_playback_set_buffer_duration
                               (ClutterGstPlayback *self,
                                gint64 duration);

Sets the buffer duration to be used when buffering network streams.

Parameters

self

a ClutterGstPlayback

 

duration

The new duration

 

clutter_gst_playback_set_buffering_mode ()

void
clutter_gst_playback_set_buffering_mode
                               (ClutterGstPlayback *self,
                                ClutterGstBufferingMode mode);

Parameters

self

a ClutterGstPlayback

 

mode

a ClutterGstBufferingMode

 

Since 1.4


clutter_gst_playback_set_buffer_size ()

void
clutter_gst_playback_set_buffer_size (ClutterGstPlayback *self,
                                      gint size);

Sets the buffer size to be used when buffering network streams.

Parameters

self

a ClutterGstPlayback

 

size

The new size

 

clutter_gst_playback_set_filename ()

void
clutter_gst_playback_set_filename (ClutterGstPlayback *self,
                                   const gchar *filename);

Sets the source of self using a file path.

Parameters

self

a ClutterGstPlayback

 

filename

A filename

 

clutter_gst_playback_set_progress ()

void
clutter_gst_playback_set_progress (ClutterGstPlayback *self,
                                   gdouble progress);

Sets the playback progress of self . The progress is a normalized value between 0.0 (begin) and 1.0 (end).

Parameters

self

a ClutterGstPlayback

 

progress

the progress of the playback, between 0.0 and 1.0

 

clutter_gst_playback_set_seek_flags ()

void
clutter_gst_playback_set_seek_flags (ClutterGstPlayback *self,
                                     ClutterGstSeekFlags flags);

Seeking can be done with several trade-offs. Clutter-gst defaults to CLUTTER_GST_SEEK_FLAG_NONE.

Parameters

self

a ClutterGstPlayback

 

flags

a combination of ClutterGstSeekFlags

 

Since 1.4


clutter_gst_playback_set_subtitle_font_name ()

void
clutter_gst_playback_set_subtitle_font_name
                               (ClutterGstPlayback *self,
                                const char *font_name);

Sets the font used by the subtitle renderer. The font_name string must be either NULL, which means that the default font name of the underlying implementation will be used; or must follow the grammar recognized by pango_font_description_from_string() like:

Parameters

self

a ClutterGstPlayback

 

font_name

a font name, or NULL to set the default font name

 

clutter_gst_playback_set_subtitle_track ()

void
clutter_gst_playback_set_subtitle_track
                               (ClutterGstPlayback *self,
                                gint index_);

Set the subtitles track to play. index_ is the index of the stream in the list returned by clutter_gst_playback_get_subtitle_tracks().

If index_ is -1, the subtitles are turned off.

Parameters

self

a ClutterGstPlayback

 

index_

the index of the subtitles track

 

Since 1.4


clutter_gst_playback_set_subtitle_uri ()

void
clutter_gst_playback_set_subtitle_uri (ClutterGstPlayback *self,
                                       const gchar *uri);

Sets the location of a subtitle file to display while playing self .

Parameters

self

a ClutterGstPlayback

 

uri

the URI of a subtitle file

 

clutter_gst_playback_set_uri ()

void
clutter_gst_playback_set_uri (ClutterGstPlayback *self,
                              const gchar *uri);

Sets the URI of self to uri .

Parameters

self

a ClutterGstPlayback

 

uri

the URI of the media stream

 

clutter_gst_playback_set_user_agent ()

void
clutter_gst_playback_set_user_agent (ClutterGstPlayback *self,
                                     const gchar *user_agent);

Sets the user agent to use when streaming.

When streaming content, you might want to set a custom user agent, eg. to promote your software, make it appear in statistics or because the server requires a special user agent you want to impersonate.

Parameters

self

a ClutterGstPlayback

 

user_agent

the user agent

 

Since 1.4

Types and Values

struct ClutterGstPlayback

struct ClutterGstPlayback;

Implementation of ClutterGstPlayback that displays media streams using GStreamer.

The ClutterGstPlayback structure contains only private data and should not be accessed directly.


struct ClutterGstPlaybackClass

struct ClutterGstPlaybackClass {
  /* signals */
  gboolean (* should_buffer)  (ClutterGstPlayback *self,
                                GstQuery *query);
};

Base class for ClutterGstPlayback.

Property Details

The “audio-stream” property

  “audio-stream”             gint

Index of the current audio stream.

Flags: Read / Write

Allowed values: >= -1

Default value: -1

Since 1.4


The “audio-streams” property

  “audio-streams”            gpointer

List of audio streams available on the current media.

Flags: Read

Since 1.4


The “buffer-fill” property

  “buffer-fill”              gdouble

The fill level of the buffer for the current stream, as a value between 0.0 and 1.0.

Flags: Read

Allowed values: [0,1]

Default value: 0


The “can-seek” property

  “can-seek”                 gboolean

Whether the current stream is seekable.

Flags: Read

Default value: FALSE


The “duration” property

  “duration”                 gdouble

The duration of the current stream, in seconds

Flags: Read

Allowed values: >= 0

Default value: 0


The “in-seek” property

  “in-seek”                  gboolean

Whether or not the stream is being seeked.

Flags: Read

Default value: FALSE

Since 1.6


The “progress” property

  “progress”                 gdouble

The current progress of the playback, as a normalized value between 0.0 and 1.0.

Flags: Read / Write

Allowed values: [0,1]

Default value: 0


The “seek-flags” property

  “seek-flags”               ClutterGstSeekFlags

Flags to use when seeking.

Flags: Read / Write

Since 1.4


The “subtitle-font-name” property

  “subtitle-font-name”       gchar *

The font used to display subtitles. The font description has to follow the same grammar as the one recognized by pango_font_description_from_string().

Flags: Read / Write

Default value: NULL


The “subtitle-track” property

  “subtitle-track”           gint

Current subtitle track being displayed.

Flags: Read / Write

Allowed values: >= -1

Default value: -1

Since 1.4


The “subtitle-tracks” property

  “subtitle-tracks”          gpointer

List of subtitle tracks available.

Flags: Read

Since 1.4


The “subtitle-uri” property

  “subtitle-uri”             gchar *

The location of a subtitle file, expressed as a valid URI.

Flags: Read / Write

Default value: NULL


The “uri” property

  “uri”                      gchar *

The location of a media file, expressed as a valid URI.

Flags: Read / Write

Default value: NULL


The “user-agent” property

  “user-agent”               gchar *

The User Agent used by ClutterGstPlayback with network protocols.

Flags: Read / Write

Default value: NULL

Since 1.4

Signal Details

The “should-buffer” signal

gboolean
user_function (ClutterGstPlayback *player,
               GstQuery           *query,
               gpointer            user_data)

The ::should-buffer signal is emitted every time the base class needs to decide whether it should continue buffering in download-buffering mode.

Parameters

player

the ClutterGstPlayback instance that received the signal

 

query

A gst buffering query of format bytes

 

user_data

user data set when the signal handler was connected.

 

Flags: Run Last

Since 1.4