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examples: camerabin: add support for setting many post-processing elements

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Instead of taking a single element as input for the image post
processing option, take a list of comma separated elements
that will be used.
This commit is contained in:
Teemu Katajisto 2010-09-21 16:23:47 +03:00 committed by Thiago Santos
parent 6ee256d462
commit 4503a85d54
1 changed files with 53 additions and 2 deletions
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55
tests/examples/camerabin/gst-camerabin-test.c
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@ -392,6 +392,50 @@ create_audioencoder_bin (void)
return bin;
}
static GstElement *
create_ipp_bin (void)
{
GstElement *bin = NULL, *element = NULL;
GstPad *pad = NULL;
gchar **elements;
GList *element_list = NULL, *current = NULL, *next = NULL;
int i;
bin = gst_bin_new ("ippbin");
elements = g_strsplit (imagepp_name, ",", 0);
for (i = 0; elements[i] != NULL; i++) {
element = gst_element_factory_make (elements[i], NULL);
if (element) {
element_list = g_list_append (element_list, element);
gst_bin_add (GST_BIN (bin), element);
} else
GST_WARNING ("Could create element %s for ippbin", elements[i]);
}
for (i = 1; i < g_list_length (element_list); i++) {
current = g_list_nth (element_list, i - 1);
next = g_list_nth (element_list, i);
gst_element_link (current->data, next->data);
}
current = g_list_first (element_list);
pad = gst_element_get_static_pad (current->data, "sink");
gst_element_add_pad (bin, gst_ghost_pad_new ("sink", pad));
gst_object_unref (GST_OBJECT (pad));
current = g_list_last (element_list);
pad = gst_element_get_static_pad (current->data, "src");
gst_element_add_pad (bin, gst_ghost_pad_new ("src", pad));
gst_object_unref (GST_OBJECT (pad));
g_list_free (element_list);
g_strfreev (elements);
return bin;
}
static gboolean
setup_pipeline (void)
{
@ -432,9 +476,16 @@ setup_pipeline (void)
GST_WARNING ("Could not make audio encoder element");
}
if (imagepp_name) {
ipp = create_ipp_bin ();
if (ipp)
g_object_set (camera_bin, "image-post-processing", ipp, NULL);
else
GST_WARNING ("Could not create ipp elements");
}
res &= setup_pipeline_element ("video-encoder", videoenc_name, NULL);
res &= setup_pipeline_element ("image-encoder", imageenc_name, &ienc);
res &= setup_pipeline_element ("image-post-processing", imagepp_name, &ipp);
res &= setup_pipeline_element ("video-muxer", videomux_name, &vmux);
if (!res) {
goto error;
@ -656,7 +707,7 @@ main (int argc, char *argv[])
{"image-enc", '\0', 0, G_OPTION_ARG_STRING, &imageenc_name,
"Image encoder used in still capture", NULL},
{"image-pp", '\0', 0, G_OPTION_ARG_STRING, &imagepp_name,
"Image post-processing element", NULL},
"List of image post-processing elements separated with comma", NULL},
{"video-mux", '\0', 0, G_OPTION_ARG_STRING, &videomux_name,
"Muxer used in video recording", NULL},
{"viewfinder-sink", '\0', 0, G_OPTION_ARG_STRING, &vfsink_name,