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waylandsink: Fix surface cropping for rotated streams

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The wp_viewport source rectangle is applied in surface-local coordinates
after buffer_transform and buffer_scale. Therefore we need to swap width
and height for 90/270 deg. rotations.

This fixes playback of rotated videos such as portrait videos from
mobile devices.

See also: https://wayland.app/protocols/viewporter#wp_viewport

Fixes: 0b648f9a2d ("waylandsink: Crop surfaces to their display width height")
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7136>
This commit is contained in:
Robert Mader 2024-07-04 02:02:42 +02:00 committed by GStreamer Marge Bot
parent a786c85c4f
commit abf3361de3
1 changed files with 10 additions and 2 deletions
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12
subprojects/gst-plugins-bad/gst-libs/gst/wayland/gstwlwindow.c
View file

@ -456,6 +456,8 @@ gst_wl_window_resize_video_surface (GstWlWindow * self, gboolean commit)
GstVideoRectangle src = { 0, };
GstVideoRectangle dst = { 0, };
GstVideoRectangle res;
int wp_src_width;
int wp_src_height;
switch (priv->buffer_transform) {
case WL_OUTPUT_TRANSFORM_NORMAL:
@ -464,6 +466,8 @@ gst_wl_window_resize_video_surface (GstWlWindow * self, gboolean commit)
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
src.w = priv->scaled_width;
src.h = priv->video_height;
wp_src_width = priv->video_width;
wp_src_height = priv->video_height;
break;
case WL_OUTPUT_TRANSFORM_90:
case WL_OUTPUT_TRANSFORM_270:
@ -471,7 +475,11 @@ gst_wl_window_resize_video_surface (GstWlWindow * self, gboolean commit)
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
src.w = priv->video_height;
src.h = priv->scaled_width;
wp_src_width = priv->video_height;
wp_src_height = priv->video_width;
break;
default:
g_assert_not_reached ();
}
dst.w = priv->render_rectangle.w;
@ -481,8 +489,8 @@ gst_wl_window_resize_video_surface (GstWlWindow * self, gboolean commit)
if (priv->video_viewport) {
gst_video_center_rect (&src, &dst, &res, TRUE);
wp_viewport_set_source (priv->video_viewport, wl_fixed_from_int (0),
wl_fixed_from_int (0), wl_fixed_from_int (priv->video_width),
wl_fixed_from_int (priv->video_height));
wl_fixed_from_int (0), wl_fixed_from_int (wp_src_width),
wl_fixed_from_int (wp_src_height));
wp_viewport_set_destination (priv->video_viewport, res.w, res.h);
} else {
gst_video_center_rect (&src, &dst, &res, FALSE);