mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-27 20:21:24 +00:00
Code Issues 1 Projects Releases Wiki Activity

[598/906] examples: fix compilation of cluttershare

Browse source
This commit is contained in:
Matthew Waters 2012-09-25 19:26:17 +10:00
parent fc6d972b68
commit 86cdbad63c
1 changed files with 28 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

34
tests/examples/clutter/cluttershare.c
View file

@ -33,7 +33,8 @@
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/gl/gstglmeta.h>
#include <gst/video/gstvideometa.h>
#include <gst/gl/gstglmemory.h>
/* This example shows how to use textures that come from a
* gst-plugins-gl pipeline, into the clutter framework
@ -110,23 +111,44 @@ update_texture_actor (gpointer data)
ClutterActor *stage = g_object_get_data (G_OBJECT (texture_actor), "stage");
CoglHandle cogl_texture = 0;
GstVideoMeta *v_meta;
GstGLMeta *gl_meta;
GstVideoInfo info;
GstVideoFrame frame;
guint tex_id;
v_meta = gst_buffer_get_video_meta (inbuf);
gl_meta = gst_buffer_get_gl_meta (inbuf);
if (!v_meta || !gl_meta)
if (!v_meta) {
g_warning ("Required Meta was not found on buffers");
return FALSE;
}
gst_video_info_set_format (&info, v_meta->format, v_meta->width,
v_meta->height);
if (!gst_video_frame_map (&frame, &info, inbuf, GST_MAP_READ | GST_MAP_GL)) {
g_warning ("Failed to map video frame");
return FALSE;
}
if (!gst_is_gl_memory (frame.map[0].memory)) {
g_warning ("Input buffer does not have GLMemory");
gst_video_frame_unmap (&frame);
return FALSE;
}
tex_id = *(guint *) frame.data[0];
/* Create a cogl texture from the gst gl texture */
glEnable (GL_TEXTURE_RECTANGLE_ARB);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, gl_meta->memory->tex_id);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, tex_id);
if (glGetError () != GL_NO_ERROR)
g_debug ("failed to bind texture that comes from gst-gl\n");
cogl_texture = cogl_texture_new_from_foreign (gl_meta->memory->tex_id,
cogl_texture = cogl_texture_new_from_foreign (tex_id,
GL_TEXTURE_RECTANGLE_ARB, v_meta->width, v_meta->height, 0, 0,
COGL_PIXEL_FORMAT_RGBA_8888);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, 0);
gst_video_frame_unmap (&frame);
/* Previous cogl texture is replaced and so its ref counter discreases to 0.
* According to the source code, glDeleteTexture is not called when the previous
* ref counter of the previous cogl texture is reaching 0 because is_foreign is TRUE */