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va: example: multiple-vpp: test sharpen with dynamic controller

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2082>
This commit is contained in:
Víctor Manuel Jáquez Leal 2021-03-13 19:00:18 +01:00 committed by GStreamer Marge Bot
parent 191b6cf5d4
commit 2b37910631
2 changed files with 52 additions and 4 deletions
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2
tests/examples/va/meson.build
View file

@ -21,6 +21,6 @@ executable('multiple-vpp',
'multiple-vpp.c',
install: false,
include_directories : [configinc],
dependencies : [gst_dep, gstvideo_dep],
dependencies : [gst_dep, gstvideo_dep, gstcontroller_dep],
c_args : gst_plugins_bad_args + ['-DGST_USE_UNSTABLE_API'],
)

54
tests/examples/va/multiple-vpp.c
View file

@ -2,6 +2,8 @@
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/controller/gstinterpolationcontrolsource.h>
#include <gst/controller/gstdirectcontrolbinding.h>
#define CHANGE_DIR_WITH_EVENT 0
@ -9,6 +11,7 @@ static gint num_buffers = 50;
static gboolean camera = FALSE;
static gboolean randomcb = FALSE;
static gboolean randomdir = FALSE;
static gboolean randomsharpen = FALSE;
static GOptionEntry entries[] = {
{"num-buffers", 'n', 0, G_OPTION_ARG_INT, &num_buffers,
@ -16,9 +19,11 @@ static GOptionEntry entries[] = {
{"camera", 'c', 0, G_OPTION_ARG_NONE, &camera, "Use v4l2src as video source",
NULL},
{"random-cb", 'r', 0, G_OPTION_ARG_NONE, &randomcb,
"Change colorbalance randomly every second", NULL},
"Change colorbalance randomly every second (if supported)", NULL},
{"random-dir", 'd', 0, G_OPTION_ARG_NONE, &randomdir,
"Change video direction randomly every second (if supported)", NULL},
{"random-sharpen", 's', 0, G_OPTION_ARG_NONE, &randomsharpen,
"Change sharpen filter randombly every second (if supported)", NULL},
{NULL},
};
@ -30,6 +35,8 @@ struct _app
GstElement *vpp;
GstElement *caps;
GMutex mutex;
GstControlSource *sharpen;
};
static GstBusSyncReply
@ -173,7 +180,8 @@ build_pipeline (struct _app *app)
const gchar *source = camera ? "v4l2src" : "videotestsrc";
g_string_printf (cmd, "%s name=src ! tee name=t "
"t. ! queue ! vapostproc name=vpp ! capsfilter name=caps ! autovideosink "
"t. ! queue ! vapostproc name=vpp ! capsfilter name=caps ! "
"fpsdisplaysink video-sink=autovideosink "
"t. ! queue ! vapostproc ! timeoverlay ! autovideosink", source);
app->pipeline = gst_parse_launch (cmd->str, &err);
@ -191,7 +199,7 @@ build_pipeline (struct _app *app)
}
app->vpp = gst_bin_get_by_name (GST_BIN (app->pipeline), "vpp");
if (!randomcb && !randomdir)
if (!randomcb && !randomdir && !randomsharpen)
config_vpp (app->vpp);
app->caps = gst_bin_get_by_name (GST_BIN (app->pipeline), "caps");
@ -271,6 +279,32 @@ change_dir_randomly (gpointer data)
return G_SOURCE_CONTINUE;
}
static inline GParamSpec *
vpp_has_sharpen (GstElement * vpp)
{
GObjectClass *g_class = G_OBJECT_GET_CLASS (vpp);
return g_object_class_find_property (g_class, "sharpen");
}
static gboolean
change_sharpen_randomly (gpointer data)
{
struct _app *app = data;
GParamSpec *pspec;
gdouble value;
pspec = vpp_has_sharpen (app->vpp);
if (!pspec)
return G_SOURCE_REMOVE;
value = g_random_double_range (G_PARAM_SPEC_FLOAT (pspec)->minimum,
G_PARAM_SPEC_FLOAT (pspec)->maximum);
gst_timed_value_control_source_set (GST_TIMED_VALUE_CONTROL_SOURCE
(app->sharpen), GST_SECOND, value);
return G_SOURCE_CONTINUE;
}
static gboolean
parse_arguments (int *argc, char ***argv)
{
@ -318,6 +352,19 @@ main (int argc, char **argv)
g_timeout_add_seconds (1, change_dir_randomly, &app);
}
if (randomsharpen && vpp_has_sharpen (app.vpp)) {
GstControlBinding *bind;
app.sharpen = gst_interpolation_control_source_new ();
bind = gst_direct_control_binding_new_absolute (GST_OBJECT (app.vpp),
"sharpen", app.sharpen);
gst_object_add_control_binding (GST_OBJECT (app.vpp), bind);
g_object_set (app.sharpen, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
change_sharpen_randomly (&app);
g_timeout_add_seconds (1, change_sharpen_randomly, &app);
}
gst_element_set_state (app.pipeline, GST_STATE_PLAYING);
g_main_loop_run (app.loop);
@ -335,6 +382,7 @@ main (int argc, char **argv)
gst_clear_object (&app.caps);
gst_clear_object (&app.vpp);
gst_clear_object (&app.pipeline);
gst_clear_object (&app.sharpen);
gst_failed:
g_mutex_clear (&app.mutex);