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glimagesink: resize viewport when video size changed in caps

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When re-negotiation happends and caps is changed, resize the
viewport to the corresponding video size in changed caps.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7341>
This commit is contained in:
Chao Guo 2024-08-13 12:07:12 +09:00 committed by GStreamer Marge Bot
parent c3f86005de
commit c35687fcbf
2 changed files with 22 additions and 0 deletions
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20
subprojects/gst-plugins-base/ext/gl/gstglimagesink.c
View file

@ -814,6 +814,7 @@ gst_glimage_sink_init (GstGLImageSink * glimage_sink)
glimage_sink->handle_events = TRUE;
glimage_sink->ignore_alpha = TRUE;
glimage_sink->overlay_compositor = NULL;
glimage_sink->need_resize_window = FALSE;
glimage_sink->mview_output_mode = DEFAULT_MULTIVIEW_MODE;
glimage_sink->mview_output_flags = DEFAULT_MULTIVIEW_FLAGS;
@ -1527,11 +1528,19 @@ update_output_format (GstGLImageSink * glimage_sink)
GstVideoMultiviewMode mv_mode;
GstGLWindow *window = NULL;
GstGLTextureTarget previous_target;
gint pre_width = 0, pre_height = 0;
gint cur_width = 0, cur_height = 0;
GstStructure *s;
const gchar *target_str;
GstCaps *out_caps;
gboolean ret;
pre_width = GST_VIDEO_INFO_WIDTH (out_info);
pre_height = GST_VIDEO_INFO_HEIGHT (out_info);
cur_width = GST_VIDEO_INFO_WIDTH (&glimage_sink->in_info);
cur_height = GST_VIDEO_INFO_HEIGHT (&glimage_sink->in_info);
*out_info = glimage_sink->in_info;
previous_target = glimage_sink->texture_target;
@ -1625,6 +1634,10 @@ update_output_format (GstGLImageSink * glimage_sink)
gst_caps_unref (glimage_sink->out_caps);
glimage_sink->out_caps = out_caps;
if ((pre_width != 0 && pre_width != cur_width) ||
(pre_height != 0 && pre_height != cur_height))
glimage_sink->need_resize_window = TRUE;
if (previous_target != GST_GL_TEXTURE_TARGET_NONE &&
glimage_sink->texture_target != previous_target) {
/* regenerate the shader for the changed target */
@ -2517,6 +2530,7 @@ gst_glimage_sink_redisplay (GstGLImageSink * gl_sink)
GstGLWindow *window;
GstBuffer *old_stored_buffer[2], *old_sync;
gulong handler_id;
gboolean resize_window = gl_sink->need_resize_window;
window = gst_gl_context_get_window (gl_sink->context);
if (!window)
@ -2538,6 +2552,12 @@ gst_glimage_sink_redisplay (GstGLImageSink * gl_sink)
return FALSE;
}
resize_window = TRUE;
}
if (resize_window) {
gl_sink->need_resize_window = FALSE;
gst_gl_window_set_preferred_size (window, GST_VIDEO_SINK_WIDTH (gl_sink),
GST_VIDEO_SINK_HEIGHT (gl_sink));
gst_gl_window_show (window);

2
subprojects/gst-plugins-base/ext/gl/gstglimagesink.h
View file

@ -104,6 +104,8 @@ struct _GstGLImageSink
GstGLSyncMeta *stored_sync_meta;
GLuint redisplay_texture;
gboolean need_resize_window;
/* protected with drawing_lock */
gboolean window_resized;
guint window_width;