1*4882a593SmuzhiyunFrom 4e8110b82110e56818337b000bcebe10f88f6eb6 Mon Sep 17 00:00:00 2001
2*4882a593SmuzhiyunFrom: Jeffy Chen <jeffy.chen@rock-chips.com>
3*4882a593SmuzhiyunDate: Mon, 8 Nov 2021 18:45:00 +0800
4*4882a593SmuzhiyunSubject: [PATCH 23/33] waylandsink: Support frame-sync mode
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunSet env "WAYLANDSINK_SYNC_FRAME" to enable frame syncing.
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunSigned-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
9*4882a593Smuzhiyun---
10*4882a593Smuzhiyun ext/wayland/gstwaylandsink.c | 9 +++++++++
11*4882a593Smuzhiyun ext/wayland/gstwaylandsink.h | 1 +
12*4882a593Smuzhiyun 2 files changed, 10 insertions(+)
13*4882a593Smuzhiyun
14*4882a593Smuzhiyundiff --git a/ext/wayland/gstwaylandsink.c b/ext/wayland/gstwaylandsink.c
15*4882a593Smuzhiyunindex 24fd7bd..07bfec0 100644
16*4882a593Smuzhiyun--- a/ext/wayland/gstwaylandsink.c
17*4882a593Smuzhiyun+++ b/ext/wayland/gstwaylandsink.c
18*4882a593Smuzhiyun@@ -284,6 +284,7 @@ gst_wayland_sink_init (GstWaylandSink * sink)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun   g_mutex_init (&sink->display_lock);
21*4882a593Smuzhiyun   g_mutex_init (&sink->render_lock);
22*4882a593Smuzhiyun+  g_cond_init (&sink->redraw_cond);
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun   sink->window_handle = 1;
25*4882a593Smuzhiyun   sink->layer = GST_WL_WINDOW_LAYER_NORMAL;
26*4882a593Smuzhiyun@@ -439,6 +440,7 @@ gst_wayland_sink_finalize (GObject * object)
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun   g_mutex_clear (&sink->display_lock);
29*4882a593Smuzhiyun   g_mutex_clear (&sink->render_lock);
30*4882a593Smuzhiyun+  g_cond_clear (&sink->redraw_cond);
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun   G_OBJECT_CLASS (parent_class)->finalize (object);
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun@@ -783,6 +785,7 @@ frame_redraw_callback (void *data, struct wl_callback *callback, uint32_t time)
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun   g_mutex_lock (&sink->render_lock);
37*4882a593Smuzhiyun   sink->redraw_pending = FALSE;
38*4882a593Smuzhiyun+  g_cond_signal (&sink->redraw_cond);
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun   if (sink->callback) {
41*4882a593Smuzhiyun     wl_callback_destroy (callback);
42*4882a593Smuzhiyun@@ -819,6 +822,11 @@ render_last_buffer (GstWaylandSink * sink, gboolean redraw)
43*4882a593Smuzhiyun   }
44*4882a593Smuzhiyun   sink->window->fill_mode = sink->fill_mode;
45*4882a593Smuzhiyun   gst_wl_window_render (sink->window, wlbuffer, info);
46*4882a593Smuzhiyun+
47*4882a593Smuzhiyun+  if (g_getenv ("WAYLANDSINK_SYNC_FRAME")) {
48*4882a593Smuzhiyun+    while (sink->redraw_pending)
49*4882a593Smuzhiyun+      g_cond_wait (&sink->redraw_cond, &sink->render_lock);
50*4882a593Smuzhiyun+  }
51*4882a593Smuzhiyun }
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun static void
54*4882a593Smuzhiyun@@ -1019,6 +1027,7 @@ render:
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun   if (buffer != to_render)
57*4882a593Smuzhiyun     gst_buffer_unref (to_render);
58*4882a593Smuzhiyun+
59*4882a593Smuzhiyun   goto done;
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun no_window_size:
62*4882a593Smuzhiyundiff --git a/ext/wayland/gstwaylandsink.h b/ext/wayland/gstwaylandsink.h
63*4882a593Smuzhiyunindex 6fd77e8..1f70f76 100644
64*4882a593Smuzhiyun--- a/ext/wayland/gstwaylandsink.h
65*4882a593Smuzhiyun+++ b/ext/wayland/gstwaylandsink.h
66*4882a593Smuzhiyun@@ -71,6 +71,7 @@ struct _GstWaylandSink
67*4882a593Smuzhiyun   gboolean resend_info;
68*4882a593Smuzhiyun   gboolean redraw_pending;
69*4882a593Smuzhiyun   GMutex render_lock;
70*4882a593Smuzhiyun+  GCond redraw_cond;
71*4882a593Smuzhiyun   GstBuffer *last_buffer;
72*4882a593Smuzhiyun   GstVideoRectangle render_rectangle;
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun--
75*4882a593Smuzhiyun2.20.1
76*4882a593Smuzhiyun
77