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examples: camerabin2: Add more arguments

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Add command-line options for setting image-capture, viewfinder
and video-capture caps as strings.

The width and height properties are now used only if these new caps
properties aren't set.
This commit is contained in:
Lasse Laukkanen 2011-04-27 15:12:18 -03:00 committed by Thiago Santos
parent 912800fb76
commit dfe815e048
1 changed files with 55 additions and 2 deletions
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57
tests/examples/camerabin2/gst-camerabin2-test.c
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@ -55,8 +55,10 @@
--video-source Video source used in still capture and video recording
--image-pp List of image post-processing elements separated with comma
--viewfinder-sink Viewfinder sink (default = fakesink)
--image-width Width for image capture
--image-height Height for image capture
--image-width Width for capture (only used if the caps
arguments aren't set)
--image-height Height for capture (only used if the caps
arguments aren't set)
--view-framerate-num Framerate numerator for viewfinder
--view-framerate-den Framerate denominator for viewfinder
--preview-caps Preview caps (e.g. video/x-raw-rgb,width=320,height=240)
@ -67,6 +69,9 @@
--encoding-target Video encoding target name
--encoding-profile Video encoding profile name
--encoding-profile-filename Video encoding profile filename
--image-capture-caps Image capture caps (e.g. video/x-raw-rgb,width=640,height=480)
--viewfinder-caps Viewfinder caps (e.g. video/x-raw-rgb,width=640,height=480)
--video-capture-caps Video capture caps (e.g. video/x-raw-rgb,width=640,height=480)
*/
@ -125,6 +130,9 @@ static gboolean no_xwindow = FALSE;
static gchar *gep_targetname = NULL;
static gchar *gep_profilename = NULL;
static gchar *gep_filename = NULL;
static gchar *image_capture_caps_str = NULL;
static gchar *viewfinder_caps_str = NULL;
static gchar *video_capture_caps_str = NULL;
#define MODE_VIDEO 2
@ -457,6 +465,40 @@ setup_pipeline_element (GstElement * element, const gchar * property_name,
return res;
}
static void
set_camerabin2_caps_from_string (void)
{
GstCaps *caps = NULL;
if (image_capture_caps_str != NULL) {
caps = gst_caps_from_string (image_capture_caps_str);
if (GST_CAPS_IS_SIMPLE (caps) && image_width > 0 && image_height > 0) {
gst_caps_set_simple (caps, "width", G_TYPE_INT, image_width, "height",
G_TYPE_INT, image_height, NULL);
}
GST_DEBUG ("setting image-capture-caps: %" GST_PTR_FORMAT, caps);
g_object_set (camerabin, "image-capture-caps", caps, NULL);
gst_caps_unref (caps);
}
if (viewfinder_caps_str != NULL) {
caps = gst_caps_from_string (viewfinder_caps_str);
if (GST_CAPS_IS_SIMPLE (caps) && view_framerate_num > 0
&& view_framerate_den > 0) {
gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION,
view_framerate_num, view_framerate_den, NULL);
}
GST_DEBUG ("setting viewfinder-caps: %" GST_PTR_FORMAT, caps);
g_object_set (camerabin, "viewfinder-caps", caps, NULL);
gst_caps_unref (caps);
}
if (video_capture_caps_str != NULL) {
caps = gst_caps_from_string (video_capture_caps_str);
GST_DEBUG ("setting video-capture-caps: %" GST_PTR_FORMAT, caps);
g_object_set (camerabin, "video-capture-caps", caps, NULL);
gst_caps_unref (caps);
}
}
static gboolean
setup_pipeline (void)
@ -558,6 +600,8 @@ setup_pipeline (void)
}
}
set_camerabin2_caps_from_string ();
if (GST_STATE_CHANGE_FAILURE ==
gst_element_set_state (camerabin, GST_STATE_READY)) {
g_warning ("can't set camerabin to ready\n");
@ -781,6 +825,15 @@ main (int argc, char *argv[])
"Video encoding profile name", NULL},
{"encoding-profile-filename", '\0', 0, G_OPTION_ARG_STRING, &gep_filename,
"Video encoding profile filename", NULL},
{"image-capture-caps", '\0', G_OPTION_FLAG_OPTIONAL_ARG,
G_OPTION_ARG_STRING, &image_capture_caps_str,
"Image capture caps (e.g. video/x-raw-rgb,width=640,height=480)", NULL},
{"viewfinder-caps", '\0', G_OPTION_FLAG_OPTIONAL_ARG, G_OPTION_ARG_STRING,
&viewfinder_caps_str,
"Viewfinder caps (e.g. video/x-raw-rgb,width=640,height=480)", NULL},
{"video-capture-caps", '\0', G_OPTION_FLAG_OPTIONAL_ARG,
G_OPTION_ARG_STRING, &video_capture_caps_str,
"Video capture caps (e.g. video/x-raw-rgb,width=640,height=480)", NULL},
{NULL}
};