static void
gst_glimage_sink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstGLImageSink *glimage_sink;
g_return_if_fail (GST_IS_GLIMAGE_SINK (object));
glimage_sink = GST_GLIMAGE_SINK (object);
switch (prop_id) {
case ARG_DISPLAY:
g_value_set_string (value, glimage_sink->display_name);
break;
case PROP_FORCE_ASPECT_RATIO:
g_value_set_boolean (value, glimage_sink->keep_aspect_ratio);
break;
case PROP_PIXEL_ASPECT_RATIO:
if (!glimage_sink->par) {
glimage_sink->par = g_new0 (GValue, 1);
g_value_init (glimage_sink->par, GST_TYPE_FRACTION);
gst_value_set_fraction (glimage_sink->par, 1, 1);
}
if (!g_value_transform (glimage_sink->par, value))
g_warning ("Could not transform string to aspect ratio");
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_glimage_sink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstGLImageSink *glimage_sink;
g_return_if_fail (GST_IS_GLIMAGE_SINK (object));
glimage_sink = GST_GLIMAGE_SINK (object);
switch (prop_id) {
case ARG_DISPLAY:
g_value_set_string (value, glimage_sink->display_name);
break;
case PROP_FORCE_ASPECT_RATIO:
g_value_set_boolean (value, glimage_sink->keep_aspect_ratio);
break;
case PROP_PIXEL_ASPECT_RATIO:
gst_value_set_fraction (value, glimage_sink->par_n, glimage_sink->par_d);
break;
case PROP_OTHER_CONTEXT:
g_value_set_object (value, glimage_sink->other_context);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_glimage_sink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstGLImageSink *glimage_sink;
g_return_if_fail (GST_IS_GLIMAGE_SINK (object));
glimage_sink = GST_GLIMAGE_SINK (object);
switch (prop_id) {
case ARG_DISPLAY:
{
g_free (glimage_sink->display_name);
glimage_sink->display_name = g_strdup (g_value_get_string (value));
break;
}
case PROP_CLIENT_RESHAPE_CALLBACK:
{
glimage_sink->clientReshapeCallback = g_value_get_pointer (value);
break;
}
case PROP_CLIENT_DRAW_CALLBACK:
{
glimage_sink->clientDrawCallback = g_value_get_pointer (value);
break;
}
case PROP_CLIENT_DATA:
{
glimage_sink->client_data = g_value_get_pointer (value);
break;
}
case PROP_FORCE_ASPECT_RATIO:
{
glimage_sink->keep_aspect_ratio = g_value_get_boolean (value);
break;
}
case PROP_PIXEL_ASPECT_RATIO:
{
glimage_sink->par_n = gst_value_get_fraction_numerator (value);
glimage_sink->par_d = gst_value_get_fraction_denominator (value);
break;
}
case PROP_OTHER_CONTEXT:
{
if (glimage_sink->other_context)
gst_object_unref (glimage_sink->other_context);
glimage_sink->other_context = g_value_dup_object (value);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_glimage_sink_set_xwindow_id (GstXOverlay * overlay, gulong window_id)
{
GstGLImageSink *glimage_sink = GST_GLIMAGE_SINK (overlay);
g_return_if_fail (GST_IS_GLIMAGE_SINK (overlay));
GST_DEBUG ("set_xwindow_id %ld", window_id);
glimage_sink->new_window_id = window_id;
}
static void
gst_glimage_sink_set_window_handle (GstVideoOverlay * overlay, guintptr id)
{
GstGLImageSink *glimage_sink = GST_GLIMAGE_SINK (overlay);
guintptr window_id = (guintptr) id;
g_return_if_fail (GST_IS_GLIMAGE_SINK (overlay));
GST_DEBUG ("set_xwindow_id %" G_GUINT64_FORMAT, (guint64) window_id);
glimage_sink->new_window_id = window_id;
}
static void
gst_glimage_sink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstGLImageSink *glimage_sink;
g_return_if_fail (GST_IS_GLIMAGE_SINK (object));
glimage_sink = GST_GLIMAGE_SINK (object);
switch (prop_id) {
case ARG_DISPLAY:
{
g_free (glimage_sink->display_name);
glimage_sink->display_name = g_strdup (g_value_get_string (value));
break;
}
case PROP_CLIENT_RESHAPE_CALLBACK:
{
glimage_sink->clientReshapeCallback = g_value_get_pointer (value);
break;
}
case PROP_CLIENT_DRAW_CALLBACK:
{
glimage_sink->clientDrawCallback = g_value_get_pointer (value);
break;
}
case PROP_CLIENT_DATA:
{
glimage_sink->client_data = g_value_get_pointer (value);
break;
}
case PROP_FORCE_ASPECT_RATIO:
{
glimage_sink->keep_aspect_ratio = g_value_get_boolean (value);
break;
}
case PROP_PIXEL_ASPECT_RATIO:
{
g_free (glimage_sink->par);
glimage_sink->par = g_new0 (GValue, 1);
g_value_init (glimage_sink->par, GST_TYPE_FRACTION);
if (!g_value_transform (value, glimage_sink->par)) {
g_warning ("Could not transform string to aspect ratio");
gst_value_set_fraction (glimage_sink->par, 1, 1);
}
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_glimage_sink_finalize (GObject * object)
{
GstGLImageSink *glimage_sink;
g_return_if_fail (GST_IS_GLIMAGE_SINK (object));
glimage_sink = GST_GLIMAGE_SINK (object);
g_mutex_clear (&glimage_sink->drawing_lock);
g_free (glimage_sink->display_name);
GST_DEBUG ("finalized");
}
static void
gst_glimage_sink_finalize (GObject * object)
{
GstGLImageSink *glimage_sink;
g_return_if_fail (GST_IS_GLIMAGE_SINK (object));
glimage_sink = GST_GLIMAGE_SINK (object);
if (glimage_sink->caps)
gst_caps_unref (glimage_sink->caps);
g_free (glimage_sink->display_name);
GST_DEBUG ("finalized");
}
static void
gst_glimage_sink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstGLImageSink *glimage_sink;
g_return_if_fail (GST_IS_GLIMAGE_SINK (object));
glimage_sink = GST_GLIMAGE_SINK (object);
switch (prop_id) {
case ARG_DISPLAY:
{
g_free (glimage_sink->display_name);
glimage_sink->display_name = g_strdup (g_value_get_string (value));
break;
}
case PROP_CLIENT_RESHAPE_CALLBACK:
{
glimage_sink->clientReshapeCallback = g_value_get_pointer (value);
break;
}
case PROP_CLIENT_DRAW_CALLBACK:
{
glimage_sink->clientDrawCallback = g_value_get_pointer (value);
break;
}
case PROP_FORCE_ASPECT_RATIO:
{
glimage_sink->keep_aspect_ratio = g_value_get_boolean (value);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_glimage_sink_on_draw (const GstGLImageSink * gl_sink)
{
/* Here gl_sink members (ex:gl_sink->info) have a life time of set_caps.
* It means that they cannot not change between two set_caps as well as
* for the redisplay_texture size.
* Whereas redisplay_texture id changes every sink_render
*/
const GstGLFuncs *gl = NULL;
GstGLWindow *window = NULL;
g_return_if_fail (GST_IS_GLIMAGE_SINK (gl_sink));
gl = gl_sink->context->gl_vtable;
GST_GLIMAGE_SINK_LOCK (gl_sink);
/* check if texture is ready for being drawn */
if (!gl_sink->redisplay_texture) {
GST_GLIMAGE_SINK_UNLOCK (gl_sink);
return;
}
window = gst_gl_context_get_window (gl_sink->context);
window->is_drawing = TRUE;
/* opengl scene */
GST_TRACE ("redrawing texture:%u", gl_sink->redisplay_texture);
/* make sure that the environnement is clean */
gst_gl_context_clear_shader (gl_sink->context);
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (gl_sink->context))
gl->Disable (GL_TEXTURE_2D);
#endif
gl->BindTexture (GL_TEXTURE_2D, 0);
/* check if a client draw callback is registered */
if (gl_sink->clientDrawCallback) {
gboolean doRedisplay =
gl_sink->clientDrawCallback (gl_sink->redisplay_texture,
GST_VIDEO_INFO_WIDTH (&gl_sink->info),
GST_VIDEO_INFO_HEIGHT (&gl_sink->info),
gl_sink->client_data);
if (doRedisplay)
gst_gl_window_draw_unlocked (window,
GST_VIDEO_INFO_WIDTH (&gl_sink->info),
GST_VIDEO_INFO_HEIGHT (&gl_sink->info));
}
/* default opengl scene */
else {
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (gl_sink->context)) {
GLfloat verts[8] = { 1.0f, 1.0f,
-1.0f, 1.0f,
-1.0f, -1.0f,
1.0f, -1.0f
};
GLfloat texcoords[8] = { 1.0f, 0.0f,
0.0f, 0.0f,
0.0f, 1.0f,
1.0f, 1.0f
};
gl->Clear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
gl->Enable (GL_TEXTURE_2D);
gl->BindTexture (GL_TEXTURE_2D, gl_sink->redisplay_texture);
gl->EnableClientState (GL_VERTEX_ARRAY);
gl->EnableClientState (GL_TEXTURE_COORD_ARRAY);
gl->VertexPointer (2, GL_FLOAT, 0, &verts);
gl->TexCoordPointer (2, GL_FLOAT, 0, &texcoords);
gl->DrawArrays (GL_TRIANGLE_FAN, 0, 4);
gl->DisableClientState (GL_VERTEX_ARRAY);
gl->DisableClientState (GL_TEXTURE_COORD_ARRAY);
gl->Disable (GL_TEXTURE_2D);
}
#endif
#if GST_GL_HAVE_GLES2
if (USING_GLES2 (gl_sink->context)) {
const GLfloat vVertices[] = { 1.0f, 1.0f, 0.0f,
1.0f, 0.0f,
-1.0f, 1.0f, 0.0f,
0.0f, 0.0f,
-1.0f, -1.0f, 0.0f,
0.0f, 1.0f,
1.0f, -1.0f, 0.0f,
1.0f, 1.0f
};
GLushort indices[] = { 0, 1, 2, 0, 2, 3 };
gl->Clear (GL_COLOR_BUFFER_BIT);
gst_gl_shader_use (gl_sink->redisplay_shader);
/* Load the vertex position */
gl->VertexAttribPointer (gl_sink->redisplay_attr_position_loc, 3,
GL_FLOAT, GL_FALSE, 5 * sizeof (GLfloat), vVertices);
/* Load the texture coordinate */
gl->VertexAttribPointer (gl_sink->redisplay_attr_texture_loc, 2,
GL_FLOAT, GL_FALSE, 5 * sizeof (GLfloat), &vVertices[3]);
gl->EnableVertexAttribArray (gl_sink->redisplay_attr_position_loc);
gl->EnableVertexAttribArray (gl_sink->redisplay_attr_texture_loc);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, gl_sink->redisplay_texture);
gst_gl_shader_set_uniform_1i (gl_sink->redisplay_shader, "s_texture", 0);
gl->DrawElements (GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, indices);
}
#endif
} /* end default opengl scene */
window->is_drawing = FALSE;
gst_object_unref (window);
GST_GLIMAGE_SINK_UNLOCK (gl_sink);
}