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androidcamera: Add smooth-zoom property for smooth zooming feature

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This commit is contained in:
Youness Alaoui 2012-11-12 18:59:57 -05:00 committed by Nicolas Dufresne
parent 9232685782
commit 832c7adc76
2 changed files with 23 additions and 2 deletions
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24
sys/androidcamera/gstahcsrc.c
View file

@ -153,6 +153,7 @@ enum
PROP_FLICKER_MODE,
PROP_FOCUS_MODE,
PROP_ZOOM,
PROP_SMOOTH_ZOOM,
PROP_LAST
};
@ -299,6 +300,12 @@ gst_ahc_src_class_init (GstAHCSrcClass * klass)
g_object_class_install_property (gobject_class, PROP_VIDEO_STABILIZATION,
properties[PROP_VIDEO_STABILIZATION]);
properties[PROP_SMOOTH_ZOOM] = g_param_spec_boolean ("smooth-zoom",
"Smooth Zoom", "Use smooth zoom when available",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (gobject_class, PROP_SMOOTH_ZOOM,
properties[PROP_SMOOTH_ZOOM]);
/* Override GstPhotography properties */
g_object_class_override_property (gobject_class, PROP_WB_MODE,
GST_PHOTOGRAPHY_PROP_WB_MODE);
@ -448,6 +455,9 @@ gst_ahc_src_set_property (GObject * object, guint prop_id,
}
}
break;
case PROP_SMOOTH_ZOOM:
self->smooth_zoom = g_value_get_boolean (value);
break;
case PROP_WB_MODE:{
GstWhiteBalanceMode wb = g_value_get_enum (value);
@ -590,6 +600,9 @@ gst_ahc_src_get_property (GObject * object, guint prop_id,
}
}
break;
case PROP_SMOOTH_ZOOM:
g_value_set_boolean (value, self->smooth_zoom);
break;
case PROP_WB_MODE:{
GstWhiteBalanceMode wb;
@ -1542,8 +1555,15 @@ gst_ahc_src_set_zoom (GstPhotography * photo, gfloat zoom)
}
if (zoom_idx != -1) {
gst_ahc_parameters_set_zoom (params, zoom_idx);
ret = gst_ah_camera_set_parameters (self->camera, params);
if (self->smooth_zoom &&
gst_ahc_parameters_is_smooth_zoom_supported (params)) {
// First, we need to cancel any previous smooth zoom operation
gst_ah_camera_stop_smooth_zoom (self->camera);
ret = gst_ah_camera_start_smooth_zoom (self->camera, zoom_idx);
} else {
gst_ahc_parameters_set_zoom (params, zoom_idx);
ret = gst_ah_camera_set_parameters (self->camera, params);
}
}
gst_ahc_parameters_zoom_ratios_free (zoom_ratios);

1
sys/androidcamera/gstahcsrc.h
View file

@ -61,6 +61,7 @@ struct _GstAHCSrc
gint fps_min;
gint fps_max;
gboolean start;
gboolean smooth_zoom;
/* Properties */
gint device;