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basecamerabinsrc: Add auto-start property to basecamerabin

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Youness Alaoui 2012-05-03 20:36:27 -04:00 committed by Sjoerd Simons
parent d50abd6186
commit 381fcda68b
2 changed files with 20 additions and 1 deletions
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20
gst-libs/gst/basecamerabinsrc/gstbasecamerasrc.c
View file

@ -87,7 +87,8 @@ enum
PROP_READY_FOR_CAPTURE, PROP_READY_FOR_CAPTURE,
PROP_POST_PREVIEW, PROP_POST_PREVIEW,
PROP_PREVIEW_CAPS, PROP_PREVIEW_CAPS,
PROP_PREVIEW_FILTER PROP_PREVIEW_FILTER,
PROP_AUTO_START
}; };
enum enum
@ -100,6 +101,7 @@ enum
}; };
#define DEFAULT_POST_PREVIEW TRUE #define DEFAULT_POST_PREVIEW TRUE
#define DEFAULT_AUTO_START FALSE
static guint basecamerasrc_signals[LAST_SIGNAL]; static guint basecamerasrc_signals[LAST_SIGNAL];
@ -319,6 +321,9 @@ gst_base_camera_src_set_property (GObject * object,
"Cannot change preview filter, is element in NULL state?"); "Cannot change preview filter, is element in NULL state?");
} }
break; break;
case PROP_AUTO_START:
self->auto_start = g_value_get_boolean (value);
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
break; break;
@ -355,6 +360,9 @@ gst_base_camera_src_get_property (GObject * object,
if (self->preview_filter) if (self->preview_filter)
g_value_set_object (value, self->preview_filter); g_value_set_object (value, self->preview_filter);
break; break;
case PROP_AUTO_START:
g_value_set_boolean (value, self->auto_start);
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
break; break;
@ -421,6 +429,8 @@ gst_base_camera_src_change_state (GstElement * element,
* messages on the pipeline */ * messages on the pipeline */
gst_element_set_state (self->preview_pipeline->pipeline, gst_element_set_state (self->preview_pipeline->pipeline,
GST_STATE_PLAYING); GST_STATE_PLAYING);
if (self->auto_start)
g_signal_emit_by_name (G_OBJECT (self), "start-capture", NULL);
break; break;
default: default:
break; break;
@ -431,6 +441,8 @@ gst_base_camera_src_change_state (GstElement * element,
switch (transition) { switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY: case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_element_set_state (self->preview_pipeline->pipeline, GST_STATE_READY); gst_element_set_state (self->preview_pipeline->pipeline, GST_STATE_READY);
if (self->auto_start)
g_signal_emit_by_name (G_OBJECT (self), "stop-capture", NULL);
break; break;
case GST_STATE_CHANGE_READY_TO_NULL: case GST_STATE_CHANGE_READY_TO_NULL:
gst_element_set_state (self->preview_pipeline->pipeline, GST_STATE_NULL); gst_element_set_state (self->preview_pipeline->pipeline, GST_STATE_NULL);
@ -497,6 +509,11 @@ gst_base_camera_src_class_init (GstBaseCameraSrcClass * klass)
"A custom preview filter to process preview image data", "A custom preview filter to process preview image data",
GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_AUTO_START,
g_param_spec_boolean ("auto-start", "Auto start capture",
"Automatically starts capture when going to the PAUSED state",
DEFAULT_AUTO_START, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/** /**
* GstBaseCameraSrc:ready-for-capture: * GstBaseCameraSrc:ready-for-capture:
* *
@ -545,6 +562,7 @@ gst_base_camera_src_init (GstBaseCameraSrc * self)
self->max_zoom = MAX_ZOOM; self->max_zoom = MAX_ZOOM;
self->mode = MODE_IMAGE; self->mode = MODE_IMAGE;
self->auto_start = DEFAULT_AUTO_START;
self->capturing = FALSE; self->capturing = FALSE;
g_mutex_init (&self->capturing_mutex); g_mutex_init (&self->capturing_mutex);

1
gst-libs/gst/basecamerabinsrc/gstbasecamerasrc.h
View file

@ -68,6 +68,7 @@ struct _GstBaseCameraSrc
GstCameraBinMode mode; GstCameraBinMode mode;
gboolean auto_start;
gboolean capturing; gboolean capturing;
GMutex capturing_mutex; GMutex capturing_mutex;