1From 11b559342c5bed99b46652b68e35bfea171d1a86 Mon Sep 17 00:00:00 2001
2From: Jeffy Chen <jeffy.chen@rock-chips.com>
3Date: Fri, 12 Nov 2021 11:14:37 +0800
4Subject: [PATCH 26/41] waylandsink: Support NV12_10LE40 and
5 NV12|NV12_10LE40|NV16 (AFBC)
6
7Tested on RK356x with:
8export GST_MPP_VIDEODEC_DEFAULT_ARM_AFBC=1
9gst-play-1.0 video.mp4 --videosink=waylandsink
10
11Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
12---
13 ext/wayland/gstwaylandsink.c            | 86 ++++++++++++++++++++++++-
14 gst-libs/gst/wayland/gstwldisplay.c     | 37 ++++++++++-
15 gst-libs/gst/wayland/gstwldisplay.h     |  6 ++
16 gst-libs/gst/wayland/gstwllinuxdmabuf.c | 26 +++++++-
17 gst-libs/gst/wayland/gstwlvideoformat.c |  1 +
18 gst-libs/gst/wayland/gstwlvideoformat.h | 44 +++++++++++++
19 gst-libs/gst/wayland/gstwlwindow.c      | 50 +++++++++++---
20 gst-libs/gst/wayland/gstwlwindow.h      |  4 ++
21 8 files changed, 243 insertions(+), 11 deletions(-)
22
23diff --git a/ext/wayland/gstwaylandsink.c b/ext/wayland/gstwaylandsink.c
24index 5e142e9..b26b7ee 100644
25--- a/ext/wayland/gstwaylandsink.c
26+++ b/ext/wayland/gstwaylandsink.c
27@@ -74,7 +74,7 @@ GST_DEBUG_CATEGORY (gstwayland_debug);
28
29 #define WL_VIDEO_FORMATS \
30     "{ BGRx, BGRA, RGBx, xBGR, xRGB, RGBA, ABGR, ARGB, RGB, BGR, " \
31-    "RGB16, BGR16, YUY2, YVYU, UYVY, AYUV, NV12, NV21, NV16, NV61, " \
32+    "RGB16, BGR16, YUY2, YVYU, UYVY, AYUV, NV12, NV21, NV16, NV61, NV12_10LE40, " \
33     "YUV9, YVU9, Y41B, I420, YV12, Y42B, v308 }"
34
35 static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
36@@ -647,6 +647,53 @@ gst_wayland_sink_event (GstBaseSink * bsink, GstEvent * event)
37   return ret;
38 }
39
40+static GstCaps *
41+gst_wayland_sink_fixup_caps (GstWaylandSink * self, GstCaps * caps)
42+{
43+  GstCaps *tmp_caps = NULL;
44+
45+  /* HACK: Allow nv12-10le40 and arm-afbc in main caps */
46+
47+  if (gst_wl_display_support_nv12_10le40 (self->display)) {
48+    tmp_caps = gst_caps_from_string (
49+        GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_DMABUF,
50+            "NV12_10LE40"));
51+
52+    /* NV15(AFBC) */
53+    if (gst_wl_display_support_afbc (self->display)) {
54+      gst_caps_ref (tmp_caps);
55+      gst_caps_append (caps, tmp_caps);
56+
57+      gst_caps_set_simple (tmp_caps, "arm-afbc", G_TYPE_INT, 1, NULL);
58+    }
59+
60+    gst_caps_append (caps, tmp_caps);
61+  }
62+
63+  /* NV12|NV16 (AFBC) */
64+  if (gst_wl_display_support_afbc (self->display)) {
65+    if (gst_wl_display_check_format_for_dmabuf (self->display,
66+            GST_VIDEO_FORMAT_NV12)) {
67+      tmp_caps = gst_caps_from_string (
68+          GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_DMABUF,
69+              "NV12"));
70+      gst_caps_set_simple (tmp_caps, "arm-afbc", G_TYPE_INT, 1, NULL);
71+      gst_caps_append (caps, tmp_caps);
72+    }
73+
74+    if (gst_wl_display_check_format_for_dmabuf (self->display,
75+            GST_VIDEO_FORMAT_NV16)) {
76+      tmp_caps = gst_caps_from_string (
77+          GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_DMABUF,
78+              "NV16"));
79+      gst_caps_set_simple (tmp_caps, "arm-afbc", G_TYPE_INT, 1, NULL);
80+      gst_caps_append (caps, tmp_caps);
81+    }
82+  }
83+
84+  return caps;
85+}
86+
87 static GstCaps *
88 gst_wayland_sink_get_caps (GstBaseSink * bsink, GstCaps * filter)
89 {
90@@ -699,6 +746,8 @@ gst_wayland_sink_get_caps (GstBaseSink * bsink, GstCaps * filter)
91     gst_structure_take_value (gst_caps_get_structure (caps, 1), "format",
92         &dmabuf_list);
93
94+    caps = gst_wayland_sink_fixup_caps (self, caps);
95+
96     GST_DEBUG_OBJECT (self, "display caps: %" GST_PTR_FORMAT, caps);
97   }
98
99@@ -746,6 +795,8 @@ gst_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
100   GstWaylandSink *self = GST_WAYLAND_SINK (bsink);;
101   gboolean use_dmabuf;
102   GstVideoFormat format;
103+  GstStructure *s;
104+  gint value;
105
106   GST_DEBUG_OBJECT (self, "set caps %" GST_PTR_FORMAT, caps);
107
108@@ -753,6 +804,15 @@ gst_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
109   if (!gst_video_info_from_caps (&self->video_info, caps))
110     goto invalid_format;
111
112+  /* parse AFBC from caps */
113+  s = gst_caps_get_structure (caps, 0);
114+  if (gst_structure_get_int (s, "arm-afbc", &value)) {
115+    if (value)
116+      GST_VIDEO_INFO_SET_AFBC (&self->video_info);
117+    else
118+      GST_VIDEO_INFO_UNSET_AFBC (&self->video_info);
119+  }
120+
121   format = GST_VIDEO_INFO_FORMAT (&self->video_info);
122   self->video_info_changed = TRUE;
123
124@@ -798,9 +858,17 @@ gst_wayland_sink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
125   GstBufferPool *pool = NULL;
126   gboolean need_pool;
127   GstAllocator *alloc;
128+  GstStructure *s;
129+  gint value;
130
131   gst_query_parse_allocation (query, &caps, &need_pool);
132
133+  s = gst_caps_get_structure (caps, 0);
134+  if (gst_structure_get_int (s, "arm-afbc", &value) && value) {
135+    GST_DEBUG_OBJECT (self, "no allocation for AFBC");
136+    return FALSE;
137+  }
138+
139   if (need_pool)
140     pool = gst_wayland_create_pool (self, caps);
141
142@@ -811,6 +879,7 @@ gst_wayland_sink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
143   alloc = gst_wl_shm_allocator_get ();
144   gst_query_add_allocation_param (query, alloc, NULL);
145   gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
146+  gst_query_add_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE, NULL);
147   g_object_unref (alloc);
148
149   return TRUE;
150@@ -884,6 +953,7 @@ gst_wayland_sink_show_frame (GstVideoSink * vsink, GstBuffer * buffer)
151   GstWaylandSink *self = GST_WAYLAND_SINK (vsink);
152   GstBuffer *to_render;
153   GstWlBuffer *wlbuffer;
154+  GstVideoCropMeta *crop;
155   GstVideoMeta *vmeta;
156   GstVideoFormat format;
157   GstVideoInfo old_vinfo;
158@@ -923,6 +993,11 @@ gst_wayland_sink_show_frame (GstVideoSink * vsink, GstBuffer * buffer)
159     }
160   }
161
162+  crop = gst_buffer_get_video_crop_meta (buffer);
163+  if (crop)
164+    gst_wl_window_ensure_crop (self->window, crop->x, crop->y,
165+        crop->width, crop->height);
166+
167   /* drop buffers until we get a frame callback */
168   if (self->redraw_pending) {
169     GST_LOG_OBJECT (self, "buffer %" GST_PTR_FORMAT " dropped (redraw pending)",
170@@ -977,6 +1052,9 @@ gst_wayland_sink_show_frame (GstVideoSink * vsink, GstBuffer * buffer)
171           &self->video_info);
172   }
173
174+  if (!wbuf && GST_VIDEO_INFO_IS_AFBC (&self->video_info))
175+    goto no_afbc;
176+
177   if (!wbuf && gst_wl_display_check_format_for_shm (self->display, format)) {
178     if (gst_buffer_n_memory (buffer) == 1 && gst_is_fd_memory (mem))
179       wbuf = gst_wl_shm_memory_construct_wl_buffer (mem, self->display,
180@@ -1107,6 +1185,12 @@ no_wl_buffer:
181     ret = GST_FLOW_ERROR;
182     goto done;
183   }
184+no_afbc:
185+  {
186+    GST_ERROR_OBJECT (self, "could not import AFBC");
187+    ret = GST_FLOW_ERROR;
188+    goto done;
189+  }
190 activate_failed:
191   {
192     GST_ERROR_OBJECT (self, "failed to activate bufferpool.");
193diff --git a/gst-libs/gst/wayland/gstwldisplay.c b/gst-libs/gst/wayland/gstwldisplay.c
194index 71a5dde..3e11211 100644
195--- a/gst-libs/gst/wayland/gstwldisplay.c
196+++ b/gst-libs/gst/wayland/gstwldisplay.c
197@@ -61,6 +61,9 @@ typedef struct _GstWlDisplayPrivate
198   GMutex buffers_mutex;
199   GHashTable *buffers;
200   gboolean shutting_down;
201+
202+  gboolean support_afbc;
203+  gboolean support_nv12_10le40;
204 } GstWlDisplayPrivate;
205
206 G_DEFINE_TYPE_WITH_CODE (GstWlDisplay, gst_wl_display, G_TYPE_OBJECT,
207@@ -69,6 +72,20 @@ G_DEFINE_TYPE_WITH_CODE (GstWlDisplay, gst_wl_display, G_TYPE_OBJECT,
208         "wldisplay", 0, "wldisplay library");
209     );
210
211+gboolean
212+gst_wl_display_support_afbc (GstWlDisplay * self)
213+{
214+  GstWlDisplayPrivate *priv = gst_wl_display_get_instance_private (self);
215+  return priv->support_afbc;
216+}
217+
218+gboolean
219+gst_wl_display_support_nv12_10le40 (GstWlDisplay * self)
220+{
221+  GstWlDisplayPrivate *priv = gst_wl_display_get_instance_private (self);
222+  return priv->support_nv12_10le40;
223+}
224+
225 static void gst_wl_display_finalize (GObject * gobject);
226
227 static void
228@@ -187,10 +204,28 @@ dmabuf_format (void *data, struct zwp_linux_dmabuf_v1 *zwp_linux_dmabuf,
229
230   if (gst_wl_dmabuf_format_to_video_format (format) != GST_VIDEO_FORMAT_UNKNOWN)
231     g_array_append_val (priv->dmabuf_formats, format);
232+
233+  if (format == DRM_FORMAT_NV15)
234+    priv->support_nv12_10le40 = TRUE;
235+}
236+
237+static void
238+dmabuf_modifier (void *data, struct zwp_linux_dmabuf_v1 *zwp_linux_dmabuf,
239+    uint32_t format, uint32_t modifier_hi, uint32_t modifier_lo)
240+{
241+  GstWlDisplay *self = data;
242+  GstWlDisplayPrivate *priv = gst_wl_display_get_instance_private (self);
243+  uint64_t modifier = ((uint64_t) modifier_hi << 32) | modifier_lo;
244+
245+  if (modifier == DRM_AFBC_MODIFIER)
246+    priv->support_afbc = TRUE;
247+
248+  dmabuf_format (data, zwp_linux_dmabuf, format);
249 }
250
251 static const struct zwp_linux_dmabuf_v1_listener dmabuf_listener = {
252   dmabuf_format,
253+  dmabuf_modifier,
254 };
255
256 gboolean
257@@ -277,7 +312,7 @@ registry_handle_global (void *data, struct wl_registry *registry,
258         wl_registry_bind (registry, id, &wp_viewporter_interface, 1);
259   } else if (g_strcmp0 (interface, "zwp_linux_dmabuf_v1") == 0) {
260     priv->dmabuf =
261-        wl_registry_bind (registry, id, &zwp_linux_dmabuf_v1_interface, 2);
262+        wl_registry_bind (registry, id, &zwp_linux_dmabuf_v1_interface, 3);
263     zwp_linux_dmabuf_v1_add_listener (priv->dmabuf, &dmabuf_listener, self);
264   }
265 }
266diff --git a/gst-libs/gst/wayland/gstwldisplay.h b/gst-libs/gst/wayland/gstwldisplay.h
267index eb07e4f..c130b79 100644
268--- a/gst-libs/gst/wayland/gstwldisplay.h
269+++ b/gst-libs/gst/wayland/gstwldisplay.h
270@@ -35,6 +35,12 @@ struct _GstWlDisplay
271   GObject parent_instance;
272 };
273
274+GST_WL_API
275+gboolean gst_wl_display_support_afbc (GstWlDisplay * self);
276+
277+GST_WL_API
278+gboolean gst_wl_display_support_nv12_10le40 (GstWlDisplay * self);
279+
280 GST_WL_API
281 GstWlDisplay *gst_wl_display_new (const gchar * name, GError ** error);
282
283diff --git a/gst-libs/gst/wayland/gstwllinuxdmabuf.c b/gst-libs/gst/wayland/gstwllinuxdmabuf.c
284index 2d5bb6b..65b6d8f 100644
285--- a/gst-libs/gst/wayland/gstwllinuxdmabuf.c
286+++ b/gst-libs/gst/wayland/gstwllinuxdmabuf.c
287@@ -57,8 +57,10 @@ gst_wl_linux_dmabuf_construct_wl_buffer (GstBuffer * buf,
288   int format;
289   guint i, width, height;
290   guint nplanes, flags = 0;
291+  gfloat stride_scale = 1.0f;
292   struct zwp_linux_buffer_params_v1 *params;
293   ConstructBufferData data;
294+  guint64 modifier = GST_VIDEO_INFO_IS_AFBC (info) ? DRM_AFBC_MODIFIER : 0;
295
296   g_return_val_if_fail (gst_wl_display_check_format_for_dmabuf (display,
297           GST_VIDEO_INFO_FORMAT (info)), NULL);
298@@ -74,6 +76,27 @@ gst_wl_linux_dmabuf_construct_wl_buffer (GstBuffer * buf,
299       G_GSSIZE_FORMAT " (%d x %d), format %s", info->size, width, height,
300       gst_wl_dmabuf_format_to_string (format));
301
302+  if (GST_VIDEO_INFO_IS_AFBC (info)) {
303+    /* Mali uses these formats instead */
304+    if (format == DRM_FORMAT_NV12) {
305+      format = DRM_FORMAT_YUV420_8BIT;
306+      nplanes = 1;
307+      stride_scale = 1.5;
308+    } else if (format == DRM_FORMAT_NV15) {
309+      format = DRM_FORMAT_YUV420_10BIT;
310+      nplanes = 1;
311+      stride_scale = 1.5;
312+    } else if (format == DRM_FORMAT_NV16) {
313+      format = DRM_FORMAT_YUYV;
314+      nplanes = 1;
315+      stride_scale = 2;
316+    } else {
317+      GST_ERROR_OBJECT (mem->allocator, "unsupported format for AFBC");
318+      data.wbuf = NULL;
319+      goto out;
320+    }
321+  }
322+
323   /* Creation and configuration of planes  */
324   params = zwp_linux_dmabuf_v1_create_params (gst_wl_display_get_dmabuf_v1
325       (display));
326@@ -84,11 +107,12 @@ gst_wl_linux_dmabuf_construct_wl_buffer (GstBuffer * buf,
327
328     offset = GST_VIDEO_INFO_PLANE_OFFSET (info, i);
329     stride = GST_VIDEO_INFO_PLANE_STRIDE (info, i);
330+    stride *= stride_scale;
331     if (gst_buffer_find_memory (buf, offset, 1, &mem_idx, &length, &skip)) {
332       GstMemory *m = gst_buffer_peek_memory (buf, mem_idx);
333       gint fd = gst_dmabuf_memory_get_fd (m);
334       zwp_linux_buffer_params_v1_add (params, fd, i, m->offset + skip,
335-          stride, 0, 0);
336+          stride, modifier >> 32, modifier & 0xFFFFFFFF);
337     } else {
338       GST_ERROR_OBJECT (mem->allocator, "memory does not seem to contain "
339           "enough data for the specified format");
340diff --git a/gst-libs/gst/wayland/gstwlvideoformat.c b/gst-libs/gst/wayland/gstwlvideoformat.c
341index 44a9536..003daa6 100644
342--- a/gst-libs/gst/wayland/gstwlvideoformat.c
343+++ b/gst-libs/gst/wayland/gstwlvideoformat.c
344@@ -71,6 +71,7 @@ static const wl_VideoFormat wl_formats[] = {
345   {WL_SHM_FORMAT_UYVY, DRM_FORMAT_UYVY, GST_VIDEO_FORMAT_UYVY},
346   {WL_SHM_FORMAT_AYUV, DRM_FORMAT_AYUV, GST_VIDEO_FORMAT_AYUV},
347   {WL_SHM_FORMAT_NV12, DRM_FORMAT_NV12, GST_VIDEO_FORMAT_NV12},
348+  {-1, DRM_FORMAT_NV15, GST_VIDEO_FORMAT_NV12_10LE40},
349   {WL_SHM_FORMAT_NV21, DRM_FORMAT_NV21, GST_VIDEO_FORMAT_NV21},
350   {WL_SHM_FORMAT_NV16, DRM_FORMAT_NV16, GST_VIDEO_FORMAT_NV16},
351   {WL_SHM_FORMAT_NV61, DRM_FORMAT_NV61, GST_VIDEO_FORMAT_NV61},
352diff --git a/gst-libs/gst/wayland/gstwlvideoformat.h b/gst-libs/gst/wayland/gstwlvideoformat.h
353index bc36a08..abf579c 100644
354--- a/gst-libs/gst/wayland/gstwlvideoformat.h
355+++ b/gst-libs/gst/wayland/gstwlvideoformat.h
356@@ -27,8 +27,52 @@
357
358 #include <gst/video/video.h>
359
360+#include <drm_fourcc.h>
361+
362 G_BEGIN_DECLS
363
364+#ifndef DRM_FORMAT_NV15
365+#define DRM_FORMAT_NV15 fourcc_code('N', 'V', '1', '5')
366+#endif
367+
368+#ifndef DRM_FORMAT_YUV420_8BIT
369+#define DRM_FORMAT_YUV420_8BIT fourcc_code('Y', 'U', '0', '8')
370+#endif
371+
372+#ifndef DRM_FORMAT_YUV420_10BIT
373+#define DRM_FORMAT_YUV420_10BIT fourcc_code('Y', 'U', '1', '0')
374+#endif
375+
376+#ifndef DRM_FORMAT_MOD_VENDOR_ARM
377+#define DRM_FORMAT_MOD_VENDOR_ARM 0x08
378+#endif
379+
380+#ifndef DRM_FORMAT_MOD_ARM_AFBC
381+#define DRM_FORMAT_MOD_ARM_AFBC(__afbc_mode) fourcc_mod_code(ARM, __afbc_mode)
382+#endif
383+
384+#ifndef AFBC_FORMAT_MOD_BLOCK_SIZE_16x16
385+#define AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 (1ULL)
386+#endif
387+
388+#ifndef AFBC_FORMAT_MOD_SPARSE
389+#define AFBC_FORMAT_MOD_SPARSE (((__u64)1) << 6)
390+#endif
391+
392+#define DRM_AFBC_MODIFIER \
393+  (DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_SPARSE) | \
394+   DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16))
395+
396+#ifndef GST_VIDEO_FLAG_ARM_AFBC
397+#define GST_VIDEO_FLAG_ARM_AFBC (1UL << 31)
398+#define GST_VIDEO_INFO_SET_AFBC(i) \
399+  GST_VIDEO_INFO_FLAG_SET (i, GST_VIDEO_FLAG_ARM_AFBC)
400+#define GST_VIDEO_INFO_UNSET_AFBC(i) \
401+  GST_VIDEO_INFO_FLAG_UNSET (i, GST_VIDEO_FLAG_ARM_AFBC)
402+#define GST_VIDEO_INFO_IS_AFBC(i) \
403+  GST_VIDEO_INFO_FLAG_IS_SET (i, GST_VIDEO_FLAG_ARM_AFBC)
404+#endif
405+
406 GST_WL_API
407 void gst_wl_videoformat_init_once (void);
408
409diff --git a/gst-libs/gst/wayland/gstwlwindow.c b/gst-libs/gst/wayland/gstwlwindow.c
410index 7dc0da5..df60a67 100644
411--- a/gst-libs/gst/wayland/gstwlwindow.c
412+++ b/gst-libs/gst/wayland/gstwlwindow.c
413@@ -66,6 +66,9 @@ typedef struct _GstWlWindowPrivate
414   /* the size of the video in the buffers */
415   gint video_width, video_height;
416
417+  gint crop_x, crop_y, crop_w, crop_h;
418+  gboolean crop_dirty;
419+
420   enum wl_output_transform buffer_transform;
421
422   /* when this is not set both the area_surface and the video_surface are not
423@@ -255,6 +258,29 @@ gst_wl_window_new_internal (GstWlDisplay * display, GMutex * render_lock)
424   return self;
425 }
426
427+void
428+gst_wl_window_ensure_crop (GstWlWindow * self, gint x, gint y, gint w, gint h)
429+{
430+  GstWlWindowPrivate *priv;
431+
432+  if (!self)
433+    return;
434+
435+  priv = gst_wl_window_get_instance_private (self);
436+
437+  if (priv->crop_x == x && priv->crop_y == y &&
438+      priv->crop_w == w && priv->crop_h == h)
439+    return;
440+
441+  priv->crop_x = x;
442+  priv->crop_y = y;
443+  priv->crop_w = w;
444+  priv->crop_h = h;
445+  priv->crop_dirty = TRUE;
446+
447+  GST_LOG_OBJECT (self, "crop %dx%d-%dx%d", x, y, w, h);
448+}
449+
450 void
451 gst_wl_window_ensure_fill_mode (GstWlWindow * self,
452     GstWlWindowFillMode fill_mode)
453@@ -523,6 +549,14 @@ gst_wl_window_resize_video_surface (GstWlWindow * self, gboolean commit)
454   dst.w = priv->render_rectangle.w;
455   dst.h = priv->render_rectangle.h;
456
457+  if (priv->crop_w && priv->crop_h) {
458+    src.x = priv->crop_x;
459+    src.y = priv->crop_y;
460+    src.w = priv->crop_w;
461+    src.h = priv->crop_h;
462+  }
463+  priv->crop_dirty = FALSE;
464+
465   /* center the video_subsurface inside area_subsurface */
466   if (priv->video_viewport) {
467     if (priv->fill_mode == GST_WL_WINDOW_STRETCH) {
468@@ -537,22 +571,21 @@ gst_wl_window_resize_video_surface (GstWlWindow * self, gboolean commit)
469
470       if (src_ratio < dst_ratio) {
471         int h = src.w / dst_ratio;
472-        src.y = (src.h - h) / 2;
473+        src.y += (src.h - h) / 2;
474         src.h = h;
475       } else if (src_ratio > dst_ratio) {
476         int w = src.h * dst_ratio;
477-        src.x = (src.w - w) / 2;
478+        src.x += (src.w - w) / 2;
479         src.w = w;
480       }
481
482-      wp_viewport_set_source (priv->video_viewport,
483-          wl_fixed_from_int (src.x), wl_fixed_from_int (src.y),
484-          wl_fixed_from_int (src.w), wl_fixed_from_int (src.h));
485-
486       res = dst;
487     }
488
489     wp_viewport_set_destination (priv->video_viewport, res.w, res.h);
490+    wp_viewport_set_source (priv->video_viewport,
491+        wl_fixed_from_int (src.x), wl_fixed_from_int (src.y),
492+        wl_fixed_from_int (src.w), wl_fixed_from_int (src.h));
493   } else {
494     gst_video_center_rect (&src, &dst, &res, FALSE);
495   }
496@@ -597,13 +630,14 @@ gst_wl_window_render (GstWlWindow * self, GstWlBuffer * buffer,
497   GstWlWindowPrivate *priv = gst_wl_window_get_instance_private (self);
498
499   if (G_UNLIKELY (info)) {
500-    priv->video_width =
501-        gst_util_uint64_scale_int_round (info->width, info->par_n, info->par_d);
502+    priv->video_width = info->width;
503     priv->video_height = info->height;
504
505     wl_subsurface_set_sync (priv->video_subsurface);
506     gst_wl_window_resize_video_surface (self, FALSE);
507     gst_wl_window_set_opaque (self, info);
508+  } else if (priv->crop_dirty) {
509+    gst_wl_window_resize_video_surface (self, FALSE);
510   }
511
512   if (G_LIKELY (buffer)) {
513diff --git a/gst-libs/gst/wayland/gstwlwindow.h b/gst-libs/gst/wayland/gstwlwindow.h
514index 1571ece..8f02f00 100644
515--- a/gst-libs/gst/wayland/gstwlwindow.h
516+++ b/gst-libs/gst/wayland/gstwlwindow.h
517@@ -47,6 +47,10 @@ struct _GstWlWindow
518   GObject parent_instance;
519 };
520
521+GST_WL_API
522+void gst_wl_window_ensure_crop (GstWlWindow * self,
523+        gint x, gint y, gint w, gint h);
524+
525 GST_WL_API
526 void gst_wl_window_ensure_fill_mode (GstWlWindow * self,
527         GstWlWindowFillMode fill_mode);
528--
5292.20.1
530
531