static void
gst_gl_filtershader_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstGLFilterShader *filtershader = GST_GL_FILTERSHADER (object);
switch (prop_id) {
case PROP_SHADER:
GST_OBJECT_LOCK (filtershader);
g_value_set_object (value, filtershader->shader);
GST_OBJECT_UNLOCK (filtershader);
break;
case PROP_VERTEX:
GST_OBJECT_LOCK (filtershader);
g_value_set_string (value, filtershader->vertex);
GST_OBJECT_UNLOCK (filtershader);
break;
case PROP_FRAGMENT:
GST_OBJECT_LOCK (filtershader);
g_value_set_string (value, filtershader->fragment);
GST_OBJECT_UNLOCK (filtershader);
break;
case PROP_UNIFORMS:
GST_OBJECT_LOCK (filtershader);
g_value_set_boxed (value, filtershader->uniforms);
GST_OBJECT_UNLOCK (filtershader);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_gl_filtershader_gl_stop (GstGLBaseFilter * base)
{
GstGLFilterShader *filtershader = GST_GL_FILTERSHADER (base);
if (filtershader->shader)
gst_object_unref (filtershader->shader);
filtershader->shader = NULL;
GST_GL_BASE_FILTER_CLASS (parent_class)->gl_stop (base);
}
static gboolean
gst_gl_filtershader_filter_texture (GstGLFilter * filter, GstGLMemory * in_tex,
GstGLMemory * out_tex)
{
GstGLFilterShader *filtershader = GST_GL_FILTERSHADER (filter);
gst_gl_filter_render_to_target (filter, in_tex, out_tex,
gst_gl_filtershader_hcallback, NULL);
if (!filtershader->shader)
return FALSE;
return TRUE;
}
static gboolean
gst_gl_filtershader_filter (GstGLFilter * filter, GstBuffer * inbuf,
GstBuffer * outbuf)
{
GstGLFilterShader *filtershader = GST_GL_FILTERSHADER (filter);
if (!_gst_clock_time_to_double (GST_BUFFER_PTS (inbuf), &filtershader->time)) {
if (!_gst_clock_time_to_double (GST_BUFFER_DTS (inbuf),
&filtershader->time))
_gint64_time_val_to_double (g_get_monotonic_time (), &filtershader->time);
}
return gst_gl_filter_filter_texture (filter, inbuf, outbuf);
}
static void
gst_gl_filtershader_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstGLFilterShader *filtershader = GST_GL_FILTERSHADER (object);
switch (prop_id) {
case PROP_SHADER:
GST_OBJECT_LOCK (filtershader);
gst_object_replace ((GstObject **) & filtershader->shader,
g_value_dup_object (value));
filtershader->new_source = FALSE;
GST_OBJECT_UNLOCK (filtershader);
break;
case PROP_VERTEX:
GST_OBJECT_LOCK (filtershader);
if (filtershader->vertex)
g_free (filtershader->vertex);
filtershader->vertex = g_value_dup_string (value);
filtershader->new_source = TRUE;
GST_OBJECT_UNLOCK (filtershader);
break;
case PROP_FRAGMENT:
GST_OBJECT_LOCK (filtershader);
if (filtershader->fragment)
g_free (filtershader->fragment);
filtershader->fragment = g_value_dup_string (value);
filtershader->new_source = TRUE;
GST_OBJECT_UNLOCK (filtershader);
break;
case PROP_UNIFORMS:
GST_OBJECT_LOCK (filtershader);
if (filtershader->uniforms)
gst_structure_free (filtershader->uniforms);
filtershader->uniforms = g_value_dup_boxed (value);
filtershader->new_uniforms = TRUE;
GST_OBJECT_UNLOCK (filtershader);
break;
case PROP_UPDATE_SHADER:
GST_OBJECT_LOCK (filtershader);
filtershader->update_shader = g_value_get_boolean (value);
GST_OBJECT_UNLOCK (filtershader);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_gl_filtershader_finalize (GObject * object)
{
GstGLFilterShader *filtershader = GST_GL_FILTERSHADER (object);
g_free (filtershader->vertex);
filtershader->vertex = NULL;
g_free (filtershader->fragment);
filtershader->fragment = NULL;
if (filtershader->uniforms)
gst_structure_free (filtershader->uniforms);
filtershader->uniforms = NULL;
G_OBJECT_CLASS (gst_gl_filtershader_parent_class)->finalize (object);
}
static gboolean
gst_gl_filtershader_hcallback (GstGLFilter * filter, GstGLMemory * in_tex,
gpointer stuff)
{
GstGLFilterShader *filtershader = GST_GL_FILTERSHADER (filter);
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
GstGLShader *shader;
if (!(shader = _maybe_recompile_shader (filtershader)))
return FALSE;
gl->ClearColor (0.0, 0.0, 0.0, 1.0);
gl->Clear (GL_COLOR_BUFFER_BIT);
gst_gl_shader_use (shader);
/* FIXME: propertise these */
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1f (shader, "width",
GST_VIDEO_INFO_WIDTH (&filter->out_info));
gst_gl_shader_set_uniform_1f (shader, "height",
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
gst_gl_shader_set_uniform_1f (shader, "time", filtershader->time);
/* FIXME: propertise these */
filter->draw_attr_position_loc =
gst_gl_shader_get_attribute_location (shader, "a_position");
filter->draw_attr_texture_loc =
gst_gl_shader_get_attribute_location (shader, "a_texcoord");
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, gst_gl_memory_get_texture_id (in_tex));
gst_gl_filter_draw_fullscreen_quad (filter);
gst_object_unref (shader);
return TRUE;
}
static void
gst_gl_filtershader_hcallback (gint width, gint height, guint texture,
gpointer stuff)
{
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLFilterShader *filtershader = GST_GL_FILTERSHADER (filter);
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
GstGLShader *shader;
if (!(shader = _maybe_recompile_shader (filtershader)))
return;
gl->ClearColor (0.0, 0.0, 0.0, 1.0);
gl->Clear (GL_COLOR_BUFFER_BIT);
gst_gl_shader_use (shader);
/* FIXME: propertise these */
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1f (shader, "width", width);
gst_gl_shader_set_uniform_1f (shader, "height", height);
gst_gl_shader_set_uniform_1f (shader, "time", filtershader->time);
/* FIXME: propertise these */
filter->draw_attr_position_loc =
gst_gl_shader_get_attribute_location (shader, "a_position");
filter->draw_attr_texture_loc =
gst_gl_shader_get_attribute_location (shader, "a_texcoord");
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_filter_draw_texture (filter, texture, width, height);
gst_object_unref (shader);
}
