mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-04-04 15:19:57 +00:00
Code Issues 1 Projects Releases Wiki Activity

examples: va: Add random cropping.

Browse source 
And remove unused caps filter.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2443>
This commit is contained in:
Víctor Manuel Jáquez Leal 2021-08-12 13:54:34 +02:00 committed by GStreamer Marge Bot
parent 6853c3eea8
commit e9395bbcd1
1 changed files with 53 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

61
tests/examples/va/multiple-vpp.c
View file

@ -13,18 +13,21 @@ static gboolean camera = FALSE;
static gboolean randomcb = FALSE;
static gboolean randomdir = FALSE;
static gboolean randomsharpen = FALSE;
static gboolean randomcrop = FALSE;
static GOptionEntry entries[] = {
{"num-buffers", 'n', 0, G_OPTION_ARG_INT, &num_buffers,
"Number of buffers (<= 0 : forever)", "N"},
{"camera", 'c', 0, G_OPTION_ARG_NONE, &camera, "Use v4l2src as video source",
NULL},
{"camera", 'c', 0, G_OPTION_ARG_NONE, &camera,
"Use default v4l2src as video source", NULL},
{"random-cb", 'r', 0, G_OPTION_ARG_NONE, &randomcb,
"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},
"Change sharpen filter randomly every second (if supported)", NULL},
{"random-crop", 'p', 0, G_OPTION_ARG_NONE, &randomcrop,
"Change cropping randomly every 150 miliseconds", NULL},
{NULL},
};
@ -34,10 +37,12 @@ struct _app
GstObject *display;
GstElement *pipeline;
GstElement *vpp;
GstElement *caps;
GstElement *crop;
GMutex mutex;
GstControlSource *sharpen;
gint right, left, top, bottom;
gint ldir, rdir, tdir, bdir;
};
static GstBusSyncReply
@ -183,7 +188,7 @@ 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 ! "
"t. ! queue ! videocrop name=crop ! vapostproc name=vpp ! "
"fpsdisplaysink video-sink=autovideosink "
"t. ! queue ! vapostproc ! timeoverlay ! autovideosink", source);
@ -202,10 +207,10 @@ build_pipeline (struct _app *app)
}
app->vpp = gst_bin_get_by_name (GST_BIN (app->pipeline), "vpp");
if (!randomcb && !randomdir && !randomsharpen)
if (!randomcb && !randomdir && !randomsharpen && !randomcrop)
config_vpp (app->vpp);
app->caps = gst_bin_get_by_name (GST_BIN (app->pipeline), "caps");
app->crop = gst_bin_get_by_name (GST_BIN (app->pipeline), "crop");
bus = gst_pipeline_get_bus (GST_PIPELINE (app->pipeline));
gst_bus_set_sync_handler (bus, context_handler, app, NULL);
@ -308,6 +313,41 @@ change_sharpen_randomly (gpointer data)
return G_SOURCE_CONTINUE;
}
static gboolean
change_crop_randomly (gpointer data)
{
struct _app *app = data;
g_object_set (app->crop, "bottom", app->bottom, "top", app->top, "left",
app->left, "right", app->right, NULL);
app->top += app->tdir;
if (app->top >= 80)
app->tdir = -10;
else if (app->top < 10)
app->tdir = 10;
app->bottom += app->bdir;
if (app->bottom >= 60)
app->bdir = -10;
else if (app->bottom < 10)
app->bdir = 10;
app->left += app->ldir;
if (app->left >= 100)
app->ldir = -10;
else if (app->left < 10)
app->ldir = 10;
app->right += app->rdir;
if (app->right >= 80)
app->rdir = -10;
else if (app->right < 10)
app->rdir = 10;
return G_SOURCE_CONTINUE;
}
static gboolean
parse_arguments (int *argc, char ***argv)
{
@ -368,6 +408,11 @@ main (int argc, char **argv)
g_timeout_add_seconds (1, change_sharpen_randomly, &app);
}
if (randomcrop) {
app.bdir = app.ldir = app.rdir = app.tdir = 10;
g_timeout_add (150, change_crop_randomly, &app);
}
gst_element_set_state (app.pipeline, GST_STATE_PLAYING);
g_main_loop_run (app.loop);
@ -382,10 +427,10 @@ main (int argc, char **argv)
ret = EXIT_SUCCESS;
gst_clear_object (&app.caps);
gst_clear_object (&app.vpp);
gst_clear_object (&app.pipeline);
gst_clear_object (&app.sharpen);
gst_clear_object (&app.crop);
gst_failed:
g_mutex_clear (&app.mutex);