From 116949acd01739948291470552b34517e02ac295 Mon Sep 17 00:00:00 2001 From: Jeffy Chen Date: Mon, 8 Nov 2021 18:45:00 +0800 Subject: [PATCH 24/41] waylandsink: Support frame-sync mode Set env "WAYLANDSINK_SYNC_FRAME" to enable frame syncing. Signed-off-by: Jeffy Chen --- ext/wayland/gstwaylandsink.c | 9 +++++++++ ext/wayland/gstwaylandsink.h | 1 + 2 files changed, 10 insertions(+) diff --git a/ext/wayland/gstwaylandsink.c b/ext/wayland/gstwaylandsink.c index 2c5b295..5e142e9 100644 --- a/ext/wayland/gstwaylandsink.c +++ b/ext/wayland/gstwaylandsink.c @@ -254,6 +254,7 @@ gst_wayland_sink_init (GstWaylandSink * self) { g_mutex_init (&self->display_lock); g_mutex_init (&self->render_lock); + g_cond_init (&self->redraw_cond); self->window_handle = 1; self->layer = GST_WL_WINDOW_LAYER_NORMAL; @@ -455,6 +456,7 @@ gst_wayland_sink_finalize (GObject * object) g_mutex_clear (&self->display_lock); g_mutex_clear (&self->render_lock); + g_cond_clear (&self->redraw_cond); G_OBJECT_CLASS (parent_class)->finalize (object); } @@ -823,6 +825,7 @@ frame_redraw_callback (void *data, struct wl_callback *callback, uint32_t time) g_mutex_lock (&self->render_lock); self->redraw_pending = FALSE; + g_cond_signal (&self->redraw_cond); if (self->callback) { wl_callback_destroy (callback); @@ -858,6 +861,11 @@ render_last_buffer (GstWaylandSink * self, gboolean redraw) self->resend_info = FALSE; } gst_wl_window_render (self->window, wlbuffer, info); + + if (g_getenv ("WAYLANDSINK_SYNC_FRAME")) { + while (self->redraw_pending) + g_cond_wait (&self->redraw_cond, &self->render_lock); + } } static void @@ -1065,6 +1073,7 @@ render: if (buffer != to_render) gst_buffer_unref (to_render); + goto done; no_window_size: diff --git a/ext/wayland/gstwaylandsink.h b/ext/wayland/gstwaylandsink.h index 7abfea1..6211fd6 100644 --- a/ext/wayland/gstwaylandsink.h +++ b/ext/wayland/gstwaylandsink.h @@ -66,6 +66,7 @@ struct _GstWaylandSink gboolean resend_info; gboolean redraw_pending; GMutex render_lock; + GCond redraw_cond; GstBuffer *last_buffer; GstVideoOrientationMethod sink_rotate_method; -- 2.20.1