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gl/examples: fix recordgraphic example

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Not ported to proper modern OpenGL though but that is the case for a lot
of the GL examples.

Fixes https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/issues/859

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1016>
This commit is contained in:
Matthew Waters 2021-01-22 14:02:29 +11:00
parent abb026ec6a
commit 4caab55109
1 changed files with 34 additions and 15 deletions
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49
tests/examples/gl/generic/recordgraphic/main.cpp
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@ -65,7 +65,7 @@ static gboolean bus_call (GstBus *bus, GstMessage *msg, gpointer data)
}
//client draw callback
static gboolean drawCallback (void *filter, void *context, GLuint texture, GLuint width, GLuint height, gpointer data)
static gboolean drawCallback (void *filter, GLuint texture, GLuint width, GLuint height, gpointer data)
{
static GLfloat xrot = 0;
static GLfloat yrot = 0;
@ -98,7 +98,7 @@ static gboolean drawCallback (void *filter, void *context, GLuint texture, GLuin
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0.0f,0.0f,-5.0f);
glScalef (0.5f, 0.5f, 0.5f);
glRotatef(xrot,1.0f,0.0f,0.0f);
glRotatef(yrot,0.0f,1.0f,0.0f);
@ -138,6 +138,9 @@ static gboolean drawCallback (void *filter, void *context, GLuint texture, GLuin
glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f);
glEnd();
glDisable (GL_DEPTH_TEST);
glDisable (GL_TEXTURE_2D);
xrot+=0.3f;
yrot+=0.2f;
zrot+=0.4f;
@ -156,10 +159,13 @@ static gboolean drawCallback (void *filter, void *context, GLuint texture, GLuin
gint main (gint argc, gchar *argv[])
{
GstStateChangeReturn ret;
GstElement *pipeline, *videosrc, *glfilterapp, *avenc_mpeg4, *avimux, *filesink;
GstElement *pipeline, *videosrc, *glupload, *glfilterapp, *glcolorconvert, *gldownload, *avenc_mpeg4, *avimux, *filesink;
GMainLoop *loop;
GstBus *bus;
/* FIXME: remove once the example supports gl3 and/or gles2 */
g_setenv ("GST_GL_API", "opengl", FALSE);
/* initialization */
gst_init (&argc, &argv);
loop = g_main_loop_new (NULL, FALSE);
@ -175,13 +181,15 @@ gint main (gint argc, gchar *argv[])
/* create elements */
videosrc = gst_element_factory_make ("videotestsrc", "videotestsrc0");
glupload = gst_element_factory_make("glupload", "glupload0");
glfilterapp = gst_element_factory_make ("glfilterapp", "glfilterapp0");
glcolorconvert = gst_element_factory_make ("glcolorconvert", "glcolorconvert0");
gldownload = gst_element_factory_make("gldownload", "gldownload0");
avenc_mpeg4 = gst_element_factory_make ("avenc_mpeg4", "avenc_mpeg40");
avimux = gst_element_factory_make ("avimux", "avimux0");
filesink = gst_element_factory_make ("filesink", "filesink0");
if (!videosrc || !glfilterapp || !avenc_mpeg4 || !avimux || !filesink)
if (!videosrc || !glupload || !glfilterapp || !glcolorconvert || !gldownload || !avenc_mpeg4 || !avimux || !filesink)
{
g_print ("one element could not be found \n");
return -1;
@ -189,7 +197,6 @@ gint main (gint argc, gchar *argv[])
/* change video source caps */
GstCaps *caps = gst_caps_new_simple("video/x-raw",
"format", G_TYPE_STRING, "UYVY",
"width", G_TYPE_INT, 320,
"height", G_TYPE_INT, 240,
"framerate", GST_TYPE_FRACTION, 25, 1,
@ -207,32 +214,44 @@ gint main (gint argc, gchar *argv[])
g_object_set(G_OBJECT(filesink), "location", "record.avi", NULL);
/* add elements */
gst_bin_add_many (GST_BIN (pipeline), videosrc, glfilterapp,
avenc_mpeg4, avimux, filesink, NULL);
gst_bin_add_many (GST_BIN (pipeline), videosrc, glupload, glfilterapp,
glcolorconvert, gldownload, avenc_mpeg4, avimux, filesink, NULL);
/* link elements */
gboolean link_ok = gst_element_link_filtered(videosrc, glfilterapp, caps) ;
gboolean link_ok = gst_element_link_filtered(videosrc, glupload, caps) ;
gst_caps_unref(caps) ;
if(!link_ok)
{
g_warning("Failed to link videosrc to glfilterapp!\n") ;
g_warning("Failed to link videosrc to glfilterapp!") ;
return -1 ;
}
link_ok = gst_element_link_filtered(glfilterapp, avenc_mpeg4, outcaps) ;
if (!gst_element_link (glupload, glfilterapp)) {
g_warning("Failed to link glupload to glfilterapp!") ;
return -1 ;
}
if (!gst_element_link (glfilterapp, glcolorconvert)) {
g_warning("Failed to link glfilterapp to glcolorconvert!") ;
return -1 ;
}
if (!gst_element_link (glcolorconvert, gldownload)) {
g_warning("Failed to link glfilterapp to glcolorconvert!") ;
return -1 ;
}
link_ok = gst_element_link_filtered(gldownload, avenc_mpeg4, outcaps);
gst_caps_unref(outcaps) ;
if(!link_ok)
{
g_warning("Failed to link glfilterapp to avenc_mpeg4!\n") ;
g_warning("Failed to link glfilterapp to avenc_mpeg4!") ;
return -1 ;
}
if (!gst_element_link_many(avenc_mpeg4, avimux, filesink, NULL))
{
g_print ("Failed to link one or more elements!\n");
g_warning ("Failed to link one or more elements!");
return -1;
}
/* run */
ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
if (ret == GST_STATE_CHANGE_FAILURE)
@ -246,7 +265,7 @@ gint main (gint argc, gchar *argv[])
GError *err = NULL;
gst_message_parse_error (msg, &err, NULL);
g_print ("ERROR: %s\n", err->message);
g_warning ("ERROR: %s", err->message);
g_error_free (err);
gst_message_unref (msg);
}