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ges: Add support for EffectClip assets

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This commit is contained in:
Thibault Saunier 2019-08-17 11:59:02 -04:00 committed by Thibault Saunier
parent c2bba9e0e5
commit 99c44bdb34
2 changed files with 98 additions and 8 deletions
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102
ges/ges-effect-clip.c
View file

@ -25,6 +25,12 @@
*
* The effect will be applied on the sources that have lower priorities
* (higher number) between the inpoint and the end of it.
*
* The asset ID of an effect clip is in the form:
*
* ```
* "audio ! bin ! description || video ! bin ! description"
* ```
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
@ -40,8 +46,11 @@ struct _GESEffectClipPrivate
gchar *audio_bin_description;
};
G_DEFINE_TYPE_WITH_PRIVATE (GESEffectClip, ges_effect_clip,
GES_TYPE_BASE_EFFECT_CLIP);
static void ges_extractable_interface_init (GESExtractableInterface * iface);
G_DEFINE_TYPE_WITH_CODE (GESEffectClip, ges_effect_clip,
GES_TYPE_BASE_EFFECT_CLIP, G_ADD_PRIVATE (GESEffectClip)
G_IMPLEMENT_INTERFACE (GES_TYPE_EXTRACTABLE,
ges_extractable_interface_init));
enum
{
@ -54,6 +63,76 @@ static void ges_effect_clip_finalize (GObject * object);
static GESTrackElement *_create_track_element (GESClip * self,
GESTrackType type);
static GParameter *
extractable_get_parameters_from_id (const gchar * id, guint * n_params)
{
gchar *bin_desc;
GESTrackType ttype;
GParameter *params = g_new0 (GParameter, 2);
gchar **effects_desc = g_strsplit (id, "||", -1);
gint i;
*n_params = 0;
if (g_strv_length (effects_desc) > 2)
GST_ERROR ("EffectClip id %s contains too many effect descriptions", id);
for (i = 0; effects_desc[i] && i < 2; i++) {
bin_desc =
ges_effect_assect_id_get_type_and_bindesc (effects_desc[i], &ttype,
NULL);
if (ttype == GES_TRACK_TYPE_AUDIO) {
*n_params = *n_params + 1;
params[*n_params - 1].name = "audio-bin-description";
} else if (ttype == GES_TRACK_TYPE_VIDEO) {
*n_params = *n_params + 1;
params[i].name = "video-bin-description";
} else {
g_free (bin_desc);
GST_ERROR ("Could not find effect type for %s", effects_desc[i]);
continue;
}
g_value_init (&params[*n_params - 1].value, G_TYPE_STRING);
g_value_set_string (&params[*n_params - 1].value, bin_desc);
g_free (bin_desc);
}
g_strfreev (effects_desc);
return params;
}
static gchar *
extractable_check_id (GType type, const gchar * id, GError ** error)
{
return g_strdup (id);
}
static gchar *
extractable_get_id (GESExtractable * self)
{
GString *id = g_string_new (NULL);
GESEffectClipPrivate *priv = GES_EFFECT_CLIP (self)->priv;
if (priv->audio_bin_description)
g_string_append_printf (id, "audio %s ||", priv->audio_bin_description);
if (priv->video_bin_description)
g_string_append_printf (id, "video %s", priv->video_bin_description);
return g_string_free (id, FALSE);
}
static void
ges_extractable_interface_init (GESExtractableInterface * iface)
{
iface->asset_type = GES_TYPE_ASSET;
iface->check_id = extractable_check_id;
iface->get_parameters_from_id = extractable_get_parameters_from_id;
iface->get_id = extractable_get_id;
}
static void
ges_effect_clip_finalize (GObject * object)
{
@ -184,8 +263,19 @@ GESEffectClip *
ges_effect_clip_new (const gchar * video_bin_description,
const gchar * audio_bin_description)
{
/* FIXME Handle GESAsset! */
return g_object_new (GES_TYPE_EFFECT_CLIP,
"video-bin-description", video_bin_description,
"audio-bin-description", audio_bin_description, NULL);
GESAsset *asset;
GESEffectClip *res;
GString *id = g_string_new (NULL);
if (audio_bin_description)
g_string_append_printf (id, "audio %s ||", audio_bin_description);
if (video_bin_description)
g_string_append_printf (id, "video %s", video_bin_description);
asset = ges_asset_request (GES_TYPE_EFFECT_CLIP, id->str, NULL);
res = GES_EFFECT_CLIP (ges_asset_extract (asset, NULL));
g_string_free (id, TRUE);
gst_object_unref (asset);
return res;
}

4
ges/ges-layer.c
View file

@ -77,8 +77,8 @@ enum
static guint ges_layer_signals[LAST_SIGNAL] = { 0 };
G_DEFINE_TYPE_WITH_CODE (GESLayer, ges_layer,
G_TYPE_INITIALLY_UNOWNED, G_IMPLEMENT_INTERFACE (GES_TYPE_EXTRACTABLE, NULL)
G_ADD_PRIVATE (GESLayer)
G_TYPE_INITIALLY_UNOWNED, G_ADD_PRIVATE (GESLayer)
G_IMPLEMENT_INTERFACE (GES_TYPE_EXTRACTABLE, NULL)
G_IMPLEMENT_INTERFACE (GES_TYPE_META_CONTAINER,
ges_meta_container_interface_init));