From 4b617a0f6787c7f90f5b977f01234ecc660b5306 Mon Sep 17 00:00:00 2001
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From: Jeffy Chen <jeffy.chen@rock-chips.com>
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Date: Tue, 30 Mar 2021 07:08:06 +0800
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Subject: [PATCH 20/31] waylandsink: Support window fill-mode property
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Tested with:
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gst-launch-1.0 videotestsrc ! waylandsink fullscreen=1 fill-mode=crop
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Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
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---
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ext/wayland/gstwaylandsink.c | 55 ++++++++++++++++++++++++++++++++++++
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ext/wayland/gstwaylandsink.h | 1 +
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ext/wayland/wlwindow.c | 28 +++++++++++++++++-
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ext/wayland/wlwindow.h | 9 ++++++
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4 files changed, 92 insertions(+), 1 deletion(-)
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diff --git a/ext/wayland/gstwaylandsink.c b/ext/wayland/gstwaylandsink.c
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index ff79ddf..24fd7bd 100644
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--- a/ext/wayland/gstwaylandsink.c
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+++ b/ext/wayland/gstwaylandsink.c
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@@ -66,9 +66,12 @@ enum
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PROP_FULLSCREEN,
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PROP_LAYER,
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PROP_ALPHA,
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+ PROP_FILL_MODE,
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PROP_LAST
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};
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+static GstWlWindowFillMode DEFAULT_FILL_MODE = GST_WL_WINDOW_FIT;
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+
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GST_DEBUG_CATEGORY (gstwayland_debug);
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#define GST_CAT_DEFAULT gstwayland_debug
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@@ -185,6 +188,24 @@ gst_wl_window_layer_get_type (void)
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return layer;
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}
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+#define GST_TYPE_WL_WINDOW_FILL_MODE (gst_wl_window_fill_mode_get_type ())
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+static GType
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+gst_wl_window_fill_mode_get_type (void)
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+{
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+ static GType mode = 0;
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+
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+ if (!mode) {
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+ static const GEnumValue modes[] = {
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+ {GST_WL_WINDOW_STRETCH, "Ignore aspect ratio", "stretch"},
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+ {GST_WL_WINDOW_FIT, "Keep aspect ratio", "fit"},
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+ {GST_WL_WINDOW_CROP, "Keep aspect ratio by expanding", "crop"},
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+ {0, NULL, NULL}
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+ };
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+ mode = g_enum_register_static ("GstWlWindowFillMode", modes);
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+ }
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+ return mode;
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+}
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+
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static void
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gst_wayland_sink_class_init (GstWaylandSinkClass * klass)
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{
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@@ -244,6 +265,15 @@ gst_wayland_sink_class_init (GstWaylandSinkClass * klass)
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"Wayland window alpha", 0.0, 1.0, 1.0,
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G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
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+ if (g_getenv ("WAYLANDSINK_STRETCH"))
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+ DEFAULT_FILL_MODE = GST_WL_WINDOW_STRETCH;
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+
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+ g_object_class_install_property (gobject_class, PROP_FILL_MODE,
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+ g_param_spec_enum ("fill-mode", "Window fill mode",
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+ "Wayland window fill mode",
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+ GST_TYPE_WL_WINDOW_FILL_MODE, DEFAULT_FILL_MODE,
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+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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+
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gst_video_overlay_install_properties (gobject_class, PROP_LAST);
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gst_type_mark_as_plugin_api (GST_TYPE_WAYLAND_VIDEO, 0);
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@@ -258,6 +288,7 @@ gst_wayland_sink_init (GstWaylandSink * sink)
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sink->window_handle = 1;
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sink->layer = GST_WL_WINDOW_LAYER_NORMAL;
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sink->alpha = 1.0;
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+ sink->fill_mode = DEFAULT_FILL_MODE;
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}
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static void
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@@ -296,6 +327,19 @@ gst_wayland_sink_set_alpha (GstWaylandSink * sink, gdouble alpha)
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g_mutex_unlock (&sink->render_lock);
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}
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+static void
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+gst_wayland_sink_set_fill_mode (GstWaylandSink * sink,
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+ GstWlWindowFillMode fill_mode)
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+{
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+ if (fill_mode == sink->fill_mode)
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+ return;
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+
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+ g_mutex_lock (&sink->render_lock);
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+ sink->fill_mode = fill_mode;
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+ sink->resend_info = FALSE;
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+ g_mutex_unlock (&sink->render_lock);
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+}
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+
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static void
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gst_wayland_sink_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec)
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@@ -323,6 +367,11 @@ gst_wayland_sink_get_property (GObject * object,
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g_value_set_double (value, sink->alpha);
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GST_OBJECT_UNLOCK (sink);
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break;
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+ case PROP_FILL_MODE:
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+ GST_OBJECT_LOCK (sink);
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+ g_value_set_enum (value, sink->fill_mode);
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+ GST_OBJECT_UNLOCK (sink);
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+ break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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@@ -356,6 +405,11 @@ gst_wayland_sink_set_property (GObject * object,
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gst_wayland_sink_set_alpha (sink, g_value_get_double (value));
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GST_OBJECT_UNLOCK (sink);
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break;
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+ case PROP_FILL_MODE:
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+ GST_OBJECT_LOCK (sink);
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+ gst_wayland_sink_set_fill_mode (sink, g_value_get_enum (value));
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+ GST_OBJECT_UNLOCK (sink);
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+ break;
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default:
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if (!gst_video_overlay_set_property (object, PROP_LAST, prop_id, value))
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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@@ -763,6 +817,7 @@ render_last_buffer (GstWaylandSink * sink, gboolean redraw)
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sink->video_info_changed = FALSE;
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sink->resend_info = FALSE;
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}
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+ sink->window->fill_mode = sink->fill_mode;
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gst_wl_window_render (sink->window, wlbuffer, info);
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}
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diff --git a/ext/wayland/gstwaylandsink.h b/ext/wayland/gstwaylandsink.h
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index f798969..6fd77e8 100644
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--- a/ext/wayland/gstwaylandsink.h
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+++ b/ext/wayland/gstwaylandsink.h
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@@ -64,6 +64,7 @@ struct _GstWaylandSink
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gboolean fullscreen;
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GstWlWindowLayer layer;
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gdouble alpha;
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+ GstWlWindowFillMode fill_mode;
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gchar *display_name;
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diff --git a/ext/wayland/wlwindow.c b/ext/wayland/wlwindow.c
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index 58e65dd..f4e7ca9 100644
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--- a/ext/wayland/wlwindow.c
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+++ b/ext/wayland/wlwindow.c
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@@ -467,7 +467,33 @@ gst_wl_window_resize_video_surface (GstWlWindow * window, gboolean commit)
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dst.h = window->render_rectangle.h;
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if (window->video_viewport) {
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- gst_video_sink_center_rect (src, dst, &res, TRUE);
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+ if (window->fill_mode == GST_WL_WINDOW_STRETCH) {
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+ res = dst;
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+ } else if (window->fill_mode == GST_WL_WINDOW_FIT) {
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+ gst_video_sink_center_rect (src, dst, &res, TRUE);
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+ } else if (window->fill_mode == GST_WL_WINDOW_CROP) {
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+ gdouble src_ratio, dst_ratio;
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+
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+ src_ratio = (gdouble) src.w / src.h;
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+ dst_ratio = (gdouble) dst.w / dst.h;
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+
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+ if (src_ratio < dst_ratio) {
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+ int h = src.w / dst_ratio;
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+ src.y = (src.h - h) / 2;
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+ src.h = h;
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+ } else if (src_ratio > dst_ratio) {
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+ int w = src.h * dst_ratio;
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+ src.x = (src.w - w) / 2;
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+ src.w = w;
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+ }
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+
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+ wp_viewport_set_source (window->video_viewport,
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+ wl_fixed_from_int (src.x), wl_fixed_from_int (src.y),
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+ wl_fixed_from_int (src.w), wl_fixed_from_int (src.h));
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+
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+ res = dst;
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+ }
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+
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wp_viewport_set_destination (window->video_viewport, res.w, res.h);
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} else {
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gst_video_sink_center_rect (src, dst, &res, FALSE);
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diff --git a/ext/wayland/wlwindow.h b/ext/wayland/wlwindow.h
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index 6fb8285..35d9d3c 100644
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--- a/ext/wayland/wlwindow.h
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+++ b/ext/wayland/wlwindow.h
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@@ -37,6 +37,13 @@ G_BEGIN_DECLS
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typedef struct _GstWlWindow GstWlWindow;
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typedef struct _GstWlWindowClass GstWlWindowClass;
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+typedef enum
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+{
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+ GST_WL_WINDOW_STRETCH = 0,
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+ GST_WL_WINDOW_FIT = 1,
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+ GST_WL_WINDOW_CROP = 2,
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+} GstWlWindowFillMode;
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+
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struct _GstWlWindow
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{
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GObject parent_instance;
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@@ -71,6 +78,8 @@ struct _GstWlWindow
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/* when this is not set both the area_surface and the video_surface are not
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* visible and certain steps should be skipped */
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gboolean is_area_surface_mapped;
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+
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+ GstWlWindowFillMode fill_mode;
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};
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struct _GstWlWindowClass
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--
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2.20.1
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