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examples: camerabin: add viewfinder-filter and filter caps properties

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Adds support for setting filter-caps and viewfinder-filter
properties in the gst-camerabin-test application
This commit is contained in:
Lasse Laukkanen 2010-02-09 14:52:49 +02:00 committed by Thiago Santos
parent 6206f58c3a
commit 17617758c3
1 changed files with 21 additions and 12 deletions
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27
tests/examples/camerabin/gst-camerabin-test.c
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@ -73,6 +73,7 @@
--src-colorspace Colorspace format for videosource (e.g. YUY2, UYVY)
--preview-caps Preview caps (e.g. video/x-raw-rgb,width=320,height=240)
--video-source-filter Video filter to process all frames from video source
--viewfinder-filter Filter to process all frames going to viewfinder sink
*/
@ -125,6 +126,7 @@ static gchar *imagepp_name = NULL;
static gchar *videomux_name = NULL;
static gchar *vfsink_name = NULL;
static gchar *src_csp = NULL;
static gchar *src_format = NULL;
static gint image_width = 1280;
static gint image_height = 720;
static gint view_framerate_num = 2825;
@ -154,6 +156,7 @@ static gint audio_samplerate = 48000;
static gint audio_channels = 1;
static gchar *video_src_filter = NULL;
static gchar *viewfinder_filter = NULL;
static int x_width = 320;
static int x_height = 240;
@ -392,6 +395,7 @@ setup_pipeline (void)
gboolean res = TRUE;
GstElement *vmux = NULL, *ienc = NULL, *sink = NULL, *aenc = NULL, *ipp =
NULL;
GstCaps *filter_caps = NULL;
camera_bin = gst_element_factory_make ("camerabin", NULL);
if (NULL == camera_bin) {
@ -414,6 +418,7 @@ setup_pipeline (void)
res &= setup_pipeline_element ("audio-source", audiosrc_name, NULL);
res &= setup_pipeline_element ("video-source", videosrc_name, NULL);
res &= setup_pipeline_element ("video-source-filter", video_src_filter, NULL);
res &= setup_pipeline_element ("viewfinder-filter", viewfinder_filter, NULL);
if (audioenc_name) {
aenc = create_audioencoder_bin ();
@ -433,20 +438,19 @@ setup_pipeline (void)
GST_INFO_OBJECT (camera_bin, "elements created");
/* set properties */
if (src_csp && strlen (src_csp) == 4) {
GstCaps *filter_caps;
/* FIXME: why do we need to set this? */
if (src_format) {
filter_caps = gst_caps_from_string (src_format);
} else if (src_csp && strlen (src_csp) == 4) {
/* Set requested colorspace format, this is needed if the default
colorspace negotiated for viewfinder doesn't match with e.g. encoders. */
filter_caps = gst_caps_new_simple ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC,
GST_MAKE_FOURCC (src_csp[0], src_csp[1], src_csp[2], src_csp[3]), NULL);
}
if (filter_caps) {
g_object_set (camera_bin, "filter-caps", filter_caps, NULL);
gst_caps_unref (filter_caps);
} else {
g_warning ("can't make filter-caps with format=%s\n", src_csp);
goto error;
}
}
g_object_set (sink, "sync", TRUE, NULL);
@ -646,11 +650,15 @@ main (int argc, char *argv[])
{"view-framerate-den", '\0', 0, G_OPTION_ARG_INT, &view_framerate_den,
"Framerate denominator for viewfinder", NULL},
{"src-colorspace", '\0', 0, G_OPTION_ARG_STRING, &src_csp,
"Colorspace format for videosource (e.g. YUY2, UYVY)", NULL},
"Colorspace format for video source (e.g. YUY2, UYVY)", NULL},
{"src-format", '\0', 0, G_OPTION_ARG_STRING, &src_format,
"Video format for video source", NULL},
{"preview-caps", '\0', 0, G_OPTION_ARG_STRING, &preview_caps_name,
"Preview caps (e.g. video/x-raw-rgb,width=320,height=240)", NULL},
{"video-source-filter", '\0', 0, G_OPTION_ARG_STRING, &video_src_filter,
"Video filter to process all frames from video source", NULL},
{"viewfinder-filter", '\0', 0, G_OPTION_ARG_STRING, &viewfinder_filter,
"Filter to process all frames going to viewfinder sink", NULL},
{"x-width", '\0', 0, G_OPTION_ARG_INT, &x_width,
"X window width (default = 320)", NULL},
{"x-height", '\0', 0, G_OPTION_ARG_INT, &x_height,
@ -716,6 +724,7 @@ main (int argc, char *argv[])
g_free (videomux_name);
g_free (vfsink_name);
g_free (src_csp);
g_free (src_format);
g_free (target_times);
if (window)