diff options
author | Thibault Saunier <thibault.saunier@collabora.co.uk> | 2011-02-10 16:33:16 +0100 |
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committer | Edward Hervey <edward.hervey@collabora.co.uk> | 2011-05-06 10:39:03 +0200 |
commit | 01589a568558088d20f03700d1f717e056acb020 (patch) | |
tree | 5efc2507f10331a63224b795c26f983287bb6595 /docs/design | |
parent | 4b4439ad8a2fcaa05400932db5d3be5aacbc7d2f (diff) |
design: Update effect implementation doc
Diffstat (limited to 'docs/design')
-rw-r--r-- | docs/design/effects.txt | 74 |
1 files changed, 49 insertions, 25 deletions
diff --git a/docs/design/effects.txt b/docs/design/effects.txt index 5820519e..c88cc3f4 100644 --- a/docs/design/effects.txt +++ b/docs/design/effects.txt @@ -116,7 +116,7 @@ C. Keyframes signals: ------- - * property-changed: emited when a usefull property of a GstElement + * deep-notify: emited when a usefull property of a GstElement contained in the GESTrackObject changes => DONE @@ -207,7 +207,7 @@ C. Keyframes GESTrackEffect *ges_timeline_object_add_effect (GESTimelineObject *object, GESEffect *effect_material, gint position); - => DONE + => Waiting for GESMaterial /** * ges_timeline_object_get_effects: @@ -249,60 +249,84 @@ C. Keyframes * * Returns: The top position of the effect, -1 if something went wrong. */ - gint + gint ges_timeline_object_get_top_effect_position (GESTimelineObject *object, GESTrackEffect *effect); => DONE C - The GESTrackEffect API: + -> This is an empty abstract class + => DONE + + D - The GESTrackParseLaunchEffect API: + This is a parse-launch based implementation of TrackEffect. /** - * ges_track_effect_new_from_material: + * ges_track_parse_launch_effect_new: * - * @effect_material: The #GESEffect from which to create this - * #GESTrackEffect + * @bin_dec: The gst-launch like bin description of the effect * - * Creates a new #GESTrackEffect from a #GESEffect + * Creates a new #GESTrackEffect from the description of the bin. This is + * a convenience method for testing puposes. * * Returns: a newly created #GESTrackEffect, or %NULL if something went * wrong. */ - GESTrackEffect *ges_track_effect_new_from_material(GESTrackEffect *effect, - GESEffect *effect_material); - => Waiting for GESMaterial + GESTrackEffect *ges_track_parse_launch_effect_new (GESTrackEffect *effect, + const gchar *bin_desc); + => DONE + E - The GESTrackMaterialEffect API: /** - * ges_track_effect_new_from_bin_desc: + * ges_track_material_effect: * - * @bin_dec: The gst-launch like bin description of the effect + * @effect_material: The #GESEffect from which to create this + * #GESTrackEffect * - * Creates a new #GESTrackEffect from the description of the bin. This is - * a convenience method for testing puposes. + * Creates a new #GESTrackEffect from a #GESEffect * * Returns: a newly created #GESTrackEffect, or %NULL if something went * wrong. */ - GESTrackEffect *ges_track_effect_new_from_bin_desc(GESTrackEffect *effect, - const gchar *bin_desc); - => DONE - - D - The GESTimelineEffect API: + GESTrackEffect *ges_track_material_effect_new (GESTrackEffect *effect, + GESEffect *effect_material); + => Waiting for GESMaterial - The GESTimelineEffect basically doesn't have anything else but what - GESTimelineObject has. + F - The GESTimelineEffect API: + -> This is an empty abstract class + => DONE -> Usecases: The user wants to control multiple effects in sync. The user wants to add an effect to the whole timeline. The user wants to had an effect to a segment of the timeline without caring bout what clip it is applied on. + + G - The GESTimelineParseLaunchEffect API: + This is a parse-launch based implementation of TimelineEffect. + + /** + * ges_timeline_parse_launch_effect_new_from_bin_desc: + * @video_bin_description: The gst-launch like bin description of the effect + * @audio_bin_description: The gst-launch like bin description of the effect + * + * Creates a new #GESTimelineParseLaunchEffect from the description of the bin. + * + * Returns: a newly created #GESTimelineParseLaunchEffect, or %NULL if something went + * wrong. + */ + GESTimelineParseLaunchEffect * + ges_timeline_parse_launch_effect_new (const gchar * video_bin_description, + const gchar * audio_bin_description) + => DONE - E - The GESEffect: - The GESEffect class is a subclass of GESMaterial, it is used to describe + H - The GESEffect: + + The GESEffect class is a subclass of GESMaterial, it is used to describe effects independently of the usage which is made of it in the timeline. - A GESEffect can specify a GESTrackOperation class to use in a + A GESEffect can specify a GESTrackOperation class to use in a TimelineObject. All important properties are inherited from GESMaterial such as: @@ -314,7 +338,7 @@ C. Keyframes We should also be able to list properties of the effect from the GESMaterial. => Waiting for GESMaterial - + ================= TODO GESRegistry API: This should be a singleton since we don't want an app to instanciate more |