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examples/sdlshare: Store buffer queues and loop in a global variable

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There's no point storing them in GObject data, we already have other
global variables anyway.
This commit is contained in:
Sebastian Dröge 2019-03-12 21:29:07 +01:00
parent 8b891c218f
commit 6f14785c3e
1 changed files with 8 additions and 27 deletions
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35
tests/examples/gl/sdl/sdlshare.c
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@ -41,6 +41,10 @@
static GstGLContext *sdl_context;
static GstGLDisplay *sdl_gl_display;
static GAsyncQueue *queue_input_buf = NULL;
static GAsyncQueue *queue_output_buf = NULL;
static GMainLoop *loop = NULL;
/* rotation angle for the triangle. */
float rtri = 0.0f;
@ -134,17 +138,8 @@ DrawGLScene (GstBuffer * buf)
}
static gboolean
update_sdl_scene (void *fk)
update_sdl_scene (gpointer data)
{
GstElement *fakesink = (GstElement *) fk;
GMainLoop *loop =
(GMainLoop *) g_object_get_data (G_OBJECT (fakesink), "loop");
GAsyncQueue *queue_input_buf =
(GAsyncQueue *) g_object_get_data (G_OBJECT (fakesink),
"queue_input_buf");
GAsyncQueue *queue_output_buf =
(GAsyncQueue *) g_object_get_data (G_OBJECT (fakesink),
"queue_output_buf");
GstBuffer *buf = (GstBuffer *) g_async_queue_pop (queue_input_buf);
SDL_Event event;
@ -172,22 +167,13 @@ static void
on_gst_buffer (GstElement * fakesink, GstBuffer * buf, GstPad * pad,
gpointer data)
{
GAsyncQueue *queue_input_buf = NULL;
GAsyncQueue *queue_output_buf = NULL;
/* ref then push buffer to use it in sdl */
gst_buffer_ref (buf);
queue_input_buf =
(GAsyncQueue *) g_object_get_data (G_OBJECT (fakesink),
"queue_input_buf");
g_async_queue_push (queue_input_buf, buf);
if (g_async_queue_length (queue_input_buf) > 3)
g_idle_add (update_sdl_scene, (gpointer) fakesink);
/* pop then unref buffer we have finished to use in sdl */
queue_output_buf =
(GAsyncQueue *) g_object_get_data (G_OBJECT (fakesink),
"queue_output_buf");
if (g_async_queue_length (queue_output_buf) > 3) {
GstBuffer *buf_old = (GstBuffer *) g_async_queue_pop (queue_output_buf);
gst_buffer_unref (buf_old);
@ -277,13 +263,10 @@ main (int argc, char **argv)
GLXContext sdl_gl_context = NULL;
#endif
GMainLoop *loop = NULL;
GstPipeline *pipeline = NULL;
GstBus *bus = NULL;
GstElement *fakesink = NULL;
GstState state;
GAsyncQueue *queue_input_buf = NULL;
GAsyncQueue *queue_output_buf = NULL;
const gchar *platform;
/* Initialize SDL for video output */
@ -365,15 +348,13 @@ main (int argc, char **argv)
glXMakeCurrent (sdl_display, sdl_win, sdl_gl_context);
#endif
queue_input_buf = g_async_queue_new ();
queue_output_buf = g_async_queue_new ();
/* append a gst-gl texture to this queue when you do not need it no more */
fakesink = gst_bin_get_by_name (GST_BIN (pipeline), "fakesink0");
g_object_set (G_OBJECT (fakesink), "signal-handoffs", TRUE, NULL);
g_signal_connect (fakesink, "handoff", G_CALLBACK (on_gst_buffer), NULL);
queue_input_buf = g_async_queue_new ();
queue_output_buf = g_async_queue_new ();
g_object_set_data (G_OBJECT (fakesink), "queue_input_buf", queue_input_buf);
g_object_set_data (G_OBJECT (fakesink), "queue_output_buf", queue_output_buf);
g_object_set_data (G_OBJECT (fakesink), "loop", loop);
gst_object_unref (fakesink);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);