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camerabin: add api to query supported image capture resolution

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Adds new property 'image-capture-supported-caps' to GstPhotography
to query the supported image capture caps.
Also implement it in camerabin.
This commit is contained in:
Lasse Laukkanen 2009-09-21 17:47:20 +03:00 committed by Thiago Santos
parent e2438e6cf1
commit 2c05df08b2
5 changed files with 28 additions and 1 deletions
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7
gst-libs/gst/interfaces/photography.c
View file

@ -500,4 +500,11 @@ gst_photography_iface_class_init (gpointer g_class)
"Exposure time in milliseconds",
"Exposure time defines how long the shutter will stay open (0 = auto)",
0, G_MAXUINT32, 0, G_PARAM_READWRITE));
/* Image capture caps */
g_object_interface_install_property (g_class,
g_param_spec_boxed (GST_PHOTOGRAPHY_PROP_IMAGE_CAPTURE_SUPPORTED_CAPS,
"Image capture supported caps",
"Caps describing supported image capture formats", GST_TYPE_CAPS,
G_PARAM_READABLE));
}

3
gst-libs/gst/interfaces/photography.h
View file

@ -63,6 +63,8 @@ G_BEGIN_DECLS
#define GST_PHOTOGRAPHY_PROP_ISO_SPEED "iso-speed"
#define GST_PHOTOGRAPHY_PROP_APERTURE "aperture"
#define GST_PHOTOGRAPHY_PROP_EXPOSURE "exposure"
#define GST_PHOTOGRAPHY_PROP_IMAGE_CAPTURE_SUPPORTED_CAPS \
"image-capture-supported-caps"
/**
* GstPhotography:
@ -196,6 +198,7 @@ typedef void (*GstPhotoCapturePrepared) (gpointer data,
* @set_autofocus: vmethod to set autofocus on/off
* @set_config: vmethod to set all configuration parameters at once
* @get_config: vmethod to get all configuration parameters at once
* @get_image_capture_supported_caps: vmethod to get caps describing supported image capture formats
*
* #GstPhotographyInterface interface.
*/

3
gst/camerabin/gstcamerabin-enum.h
View file

@ -56,7 +56,8 @@ enum
ARG_ISO_SPEED,
ARG_APERTURE,
ARG_EXPOSURE,
ARG_VIDEO_SOURCE_FILTER
ARG_VIDEO_SOURCE_FILTER,
ARG_IMAGE_CAPTURE_SUPPORTED_CAPS
};
/**

4
gst/camerabin/gstcamerabin.c
View file

@ -2926,6 +2926,10 @@ gst_camerabin_override_photo_properties (GObjectClass * gobject_class)
g_object_class_override_property (gobject_class, ARG_EXPOSURE,
GST_PHOTOGRAPHY_PROP_EXPOSURE);
g_object_class_override_property (gobject_class,
ARG_IMAGE_CAPTURE_SUPPORTED_CAPS,
GST_PHOTOGRAPHY_PROP_IMAGE_CAPTURE_SUPPORTED_CAPS);
}
static void

12
gst/camerabin/gstcamerabinphotography.c
View file

@ -544,6 +544,18 @@ gst_camerabin_photography_get_property (GstCameraBin * camera, guint prop_id,
ret = TRUE;
break;
}
case ARG_IMAGE_CAPTURE_SUPPORTED_CAPS:
{
GST_DEBUG_OBJECT (camera, "==== GETTING PROP_IMAGE_CAPTURE_CAPS ====");
if (PHOTOGRAPHY_IS_OK (camera->src_vid_src)) {
g_object_get_property (G_OBJECT (camera->src_vid_src),
"image-capture-supported-caps", value);
} else {
g_object_get_property (G_OBJECT (camera), "video-source-caps", value);
}
ret = TRUE;
break;
}
default:
break;
}