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gl/examples/cube*: choose opengl by default

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The examples don't work with any other GL API.

Also fix the yuv example to not translate the cube out of the clipping area.
This commit is contained in:
Matthew Waters 2016-03-10 00:24:48 +11:00 committed by Tim-Philipp Müller
parent c3e362a8a9
commit 34e12a8837
2 changed files with 16 additions and 16 deletions
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6
tests/examples/gl/generic/cube/main.cpp
View file

@ -120,7 +120,8 @@ static gboolean drawCallback (GstElement * gl_sink, GstGLContext *context, GstSa
glMatrixMode(GL_MODELVIEW); glMatrixMode(GL_MODELVIEW);
glLoadIdentity(); glLoadIdentity();
glScalef(0.5f,0.5f,0.5f); /* invert the y-axis to get the front face the correct way up */
glScalef (0.5f, -0.5f, 0.5f);
glRotatef(xrot,1.0f,0.0f,0.0f); glRotatef(xrot,1.0f,0.0f,0.0f);
glRotatef(yrot,0.0f,1.0f,0.0f); glRotatef(yrot,0.0f,1.0f,0.0f);
@ -182,6 +183,9 @@ gint main (gint argc, gchar *argv[])
GMainLoop *loop; GMainLoop *loop;
GstBus *bus; GstBus *bus;
/* FIXME: remove once the example supports gl3 and/or gles2 */
g_setenv ("GST_GL_API", "opengl", FALSE);
/* initialization */ /* initialization */
gst_init (&argc, &argv); gst_init (&argc, &argv);
loop = g_main_loop_new (NULL, FALSE); loop = g_main_loop_new (NULL, FALSE);

26
tests/examples/gl/generic/cubeyuv/main.cpp
View file

@ -143,12 +143,13 @@ static gboolean drawCallback (GstElement * gl_sink, GstGLContext *context, GstSa
glMatrixMode(GL_MODELVIEW); glMatrixMode(GL_MODELVIEW);
glLoadIdentity(); glLoadIdentity();
glTranslatef(0.0f,0.0f,-5.0f);
glRotatef(xrot,1.0f,0.0f,0.0f); glRotatef(xrot,1.0f,0.0f,0.0f);
glRotatef(yrot,0.0f,1.0f,0.0f); glRotatef(yrot,0.0f,1.0f,0.0f);
glRotatef(zrot,0.0f,0.0f,1.0f); glRotatef(zrot,0.0f,0.0f,1.0f);
/* invert the y-axis to get the front face the correct way up */
glScalef (0.5f, -0.5f, 0.5f);
glBegin(GL_QUADS); glBegin(GL_QUADS);
// Front Face // Front Face
glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
@ -182,6 +183,8 @@ static gboolean drawCallback (GstElement * gl_sink, GstGLContext *context, GstSa
glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f);
glEnd(); glEnd();
glDisable(GL_DEPTH_TEST);
gst_video_frame_unmap (&v_frame); gst_video_frame_unmap (&v_frame);
xrot+=0.03f; xrot+=0.03f;
@ -227,6 +230,9 @@ gint main (gint argc, gchar *argv[])
return -1; return -1;
} }
/* FIXME: remove once the example supports gl3 and/or gles2 */
g_setenv ("GST_GL_API", "opengl", FALSE);
std::string video_location(argv[1]); std::string video_location(argv[1]);
/* initialization */ /* initialization */
@ -247,22 +253,15 @@ gint main (gint argc, gchar *argv[])
GstElement* decodebin = gst_element_factory_make ("decodebin", "decodebin"); GstElement* decodebin = gst_element_factory_make ("decodebin", "decodebin");
GstElement* identity = gst_element_factory_make ("identity", "identity0"); GstElement* identity = gst_element_factory_make ("identity", "identity0");
GstElement* textoverlay = gst_element_factory_make ("textoverlay", "textoverlay0"); GstElement* textoverlay = gst_element_factory_make ("textoverlay", "textoverlay0");
GstElement* glcolorscale = gst_element_factory_make ("glcolorscale", "glcolorscale0");
GstElement* glimagesink = gst_element_factory_make ("glimagesink", "glimagesink0"); GstElement* glimagesink = gst_element_factory_make ("glimagesink", "glimagesink0");
if (!videosrc || !decodebin || !identity || !textoverlay || if (!videosrc || !decodebin || !identity || !textoverlay || !glimagesink)
!glcolorscale || !glimagesink)
{ {
g_print ("one element could not be found \n"); g_print ("one element could not be found \n");
return -1; return -1;
} }
GstCaps *outcaps = gst_caps_new_simple("video/x-raw",
"width", G_TYPE_INT, 640,
"height", G_TYPE_INT, 480,
NULL);
/* configure elements */ /* configure elements */
g_object_set(G_OBJECT(videosrc), "num-buffers", 800, NULL); g_object_set(G_OBJECT(videosrc), "num-buffers", 800, NULL);
g_object_set(G_OBJECT(videosrc), "location", video_location.c_str(), NULL); g_object_set(G_OBJECT(videosrc), "location", video_location.c_str(), NULL);
@ -273,7 +272,7 @@ gint main (gint argc, gchar *argv[])
/* add elements */ /* add elements */
gst_bin_add_many (GST_BIN (pipeline), videosrc, decodebin, identity, gst_bin_add_many (GST_BIN (pipeline), videosrc, decodebin, identity,
textoverlay, glcolorscale, glimagesink, NULL); textoverlay, glimagesink, NULL);
/* link elements */ /* link elements */
gst_element_link_pads (videosrc, "src", decodebin, "sink"); gst_element_link_pads (videosrc, "src", decodebin, "sink");
@ -286,10 +285,7 @@ gint main (gint argc, gchar *argv[])
return -1; return -1;
} }
gst_element_link (textoverlay, glcolorscale); gboolean link_ok = gst_element_link (textoverlay, glimagesink);
gboolean link_ok = gst_element_link_filtered(glcolorscale, glimagesink, outcaps) ;
gst_caps_unref(outcaps) ;
if(!link_ok) if(!link_ok)
{ {
g_warning("Failed to link textoverlay to glimagesink!\n") ; g_warning("Failed to link textoverlay to glimagesink!\n") ;