static void
_init_debug (void)
{
static volatile gsize _init = 0;
if (g_once_init_enter (&_init)) {
GST_DEBUG_CATEGORY_GET (gst_performance, "GST_PERFORMANCE");
GST_DEBUG_CATEGORY_INIT (gst_gl_debug, "gldebug", 0, "OpenGL Debugging");
GST_DEBUG_CATEGORY_GET (default_debug, "default");
g_once_init_leave (&_init, 1);
}
}
static gboolean
plugin_init (GstPlugin * plugin)
{
GST_DEBUG_CATEGORY_INIT (v4l2_debug, "v4l2", 0, "V4L2 API calls");
GST_DEBUG_CATEGORY_GET (GST_CAT_PERFORMANCE, "GST_PERFORMANCE");
if (!gst_element_register (plugin, "v4l2src", GST_RANK_PRIMARY,
GST_TYPE_V4L2SRC) ||
!gst_element_register (plugin, "v4l2sink", GST_RANK_NONE,
GST_TYPE_V4L2SINK) ||
!gst_element_register (plugin, "v4l2radio", GST_RANK_NONE,
GST_TYPE_V4L2RADIO) ||
/* !gst_element_register (plugin, "v4l2jpegsrc", */
/* GST_RANK_NONE, GST_TYPE_V4L2JPEGSRC) || */
/* !gst_element_register (plugin, "v4l2mjpegsrc", */
/* GST_RANK_NONE, GST_TYPE_V4L2MJPEGSRC) || */
/* !gst_element_register (plugin, "v4l2mjpegsink", */
/* GST_RANK_NONE, GST_TYPE_V4L2MJPEGSINK)) */
FALSE)
return FALSE;
#ifdef ENABLE_NLS
setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
#endif /* ENABLE_NLS */
return TRUE;
}
/**
* gst_gl_display_x11_new_with_display:
* @display: an existing, x11 display
*
* Creates a new display connection from a X11 Display.
*
* Returns: (transfer full): a new #GstGLDisplayX11
*/
GstGLDisplayX11 *
gst_gl_display_x11_new_with_display (Display * display)
{
GstGLDisplayX11 *ret;
g_return_val_if_fail (display != NULL, NULL);
GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
ret = g_object_new (GST_TYPE_GL_DISPLAY_X11, NULL);
ret->name = g_strdup (DisplayString (display));
ret->display = display;
ret->xcb_connection = XGetXCBConnection (ret->display);
if (!ret->xcb_connection) {
GST_ERROR ("Failed to open retieve XCB connection from X11 Display");
gst_object_unref (ret);
return NULL;
}
ret->foreign_display = TRUE;
return ret;
}
/**
* gst_gl_display_x11_new:
* @name: (allow-none): a display name
*
* Create a new #GstGLDisplayX11 from the x11 display name. See XOpenDisplay()
* for details on what is a valid name.
*
* Returns: (transfer full): a new #GstGLDisplayX11 or %NULL
*/
GstGLDisplayX11 *
gst_gl_display_x11_new (const gchar * name)
{
GstGLDisplayX11 *ret;
GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
ret = g_object_new (GST_TYPE_GL_DISPLAY_X11, NULL);
ret->name = g_strdup (name);
ret->display = XOpenDisplay (ret->name);
if (!ret->display) {
GST_ERROR ("Failed to open X11 display connection with name, \'%s\'", name);
gst_object_unref (ret);
return NULL;
}
ret->xcb_connection = XGetXCBConnection (ret->display);
if (!ret->xcb_connection) {
GST_ERROR ("Failed to open retieve XCB connection from X11 Display");
gst_object_unref (ret);
return NULL;
}
XSetEventQueueOwner (ret->display, XCBOwnsEventQueue);
GST_GL_DISPLAY (ret)->event_source = xcb_event_source_new (ret);
g_source_attach (GST_GL_DISPLAY (ret)->event_source,
GST_GL_DISPLAY (ret)->main_context);
return ret;
}
static void
gst_jpeg_dec_class_init (GstJpegDecClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
GstVideoDecoderClass *vdec_class;
gobject_class = (GObjectClass *) klass;
element_class = (GstElementClass *) klass;
vdec_class = (GstVideoDecoderClass *) klass;
parent_class = g_type_class_peek_parent (klass);
gobject_class->finalize = gst_jpeg_dec_finalize;
gobject_class->set_property = gst_jpeg_dec_set_property;
gobject_class->get_property = gst_jpeg_dec_get_property;
g_object_class_install_property (gobject_class, PROP_IDCT_METHOD,
g_param_spec_enum ("idct-method", "IDCT Method",
"The IDCT algorithm to use", GST_TYPE_IDCT_METHOD,
JPEG_DEFAULT_IDCT_METHOD,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstJpegDec:max-errors
*
* Error out after receiving N consecutive decoding errors
* (-1 = never error out, 0 = automatic, 1 = fail on first error, etc.)
*
* Since: 0.10.27
**/
g_object_class_install_property (gobject_class, PROP_MAX_ERRORS,
g_param_spec_int ("max-errors", "Maximum Consecutive Decoding Errors",
"Error out after receiving N consecutive decoding errors "
"(-1 = never fail, 0 = automatic, 1 = fail on first error)",
-1, G_MAXINT, JPEG_DEFAULT_MAX_ERRORS,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_jpeg_dec_src_pad_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_jpeg_dec_sink_pad_template));
gst_element_class_set_details_simple (element_class, "JPEG image decoder",
"Codec/Decoder/Image",
"Decode images from JPEG format", "Wim Taymans <*****@*****.**>");
vdec_class->start = gst_jpeg_dec_start;
vdec_class->stop = gst_jpeg_dec_stop;
vdec_class->reset = gst_jpeg_dec_reset;
vdec_class->parse = gst_jpeg_dec_parse;
vdec_class->set_format = gst_jpeg_dec_set_format;
vdec_class->handle_frame = gst_jpeg_dec_handle_frame;
vdec_class->decide_allocation = gst_jpeg_dec_decide_allocation;
GST_DEBUG_CATEGORY_INIT (jpeg_dec_debug, "jpegdec", 0, "JPEG decoder");
GST_DEBUG_CATEGORY_GET (GST_CAT_PERFORMANCE, "GST_PERFORMANCE");
}
static void
_init_debug (void)
{
static volatile gsize _init = 0;
if (g_once_init_enter (&_init)) {
GST_DEBUG_CATEGORY_GET (gst_performance, "GST_PERFORMANCE");
g_once_init_leave (&_init, 1);
}
}
static void
gst_gl_display_context_prepare (GstElement * element,
GstGLDisplay ** display_ptr)
{
GstContext *ctxt;
GstQuery *query;
if (!GST_CAT_CONTEXT)
GST_DEBUG_CATEGORY_GET (GST_CAT_CONTEXT, "GST_CONTEXT");
/* 2a) Query downstream with GST_QUERY_CONTEXT for the context and
* check if downstream already has a context of the specific type
* 2b) Query upstream as above.
*/
ctxt = NULL;
query = gst_query_new_context (GST_GL_DISPLAY_CONTEXT_TYPE);
if (run_context_query (element, query, GST_PAD_SRC)) {
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"found context (%p) in downstream query", ctxt);
gst_query_parse_context (query, &ctxt);
} else if (run_context_query (element, query, GST_PAD_SINK)) {
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"found context (%p) in upstream query", ctxt);
gst_query_parse_context (query, &ctxt);
} else {
/* 3) Post a GST_MESSAGE_NEED_CONTEXT message on the bus with
* the required context type and afterwards check if a
* usable context was set now as in 1). The message could
* be handled by the parent bins of the element and the
* application.
*/
GstMessage *msg;
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"posting need context message");
msg = gst_message_new_need_context (GST_OBJECT_CAST (element),
GST_GL_DISPLAY_CONTEXT_TYPE);
gst_element_post_message (element, msg);
}
/*
* Whomever responds to the need-context message performs a
* GstElement::set_context() with the required context in which the element
* is required to update the display_ptr or call gst_gl_handle_set_context().
*/
if (ctxt) {
if (gst_context_has_context_type (ctxt, GST_GL_DISPLAY_CONTEXT_TYPE)) {
gst_context_get_gl_display (ctxt, display_ptr);
}
}
gst_query_unref (query);
}
static void
_init_debug (void)
{
static volatile gsize _init = 0;
if (g_once_init_enter (&_init)) {
GST_DEBUG_CATEGORY_INIT (gst_gl_context_debug, "glcontext", 0,
"glcontext element");
GST_DEBUG_CATEGORY_GET (gst_performance, "GST_PERFORMANCE");
g_once_init_leave (&_init, 1);
}
}
static void
_init_context_debug (void)
{
#ifndef GST_DISABLE_GST_DEBUG
static volatile gsize _init = 0;
if (g_once_init_enter (&_init)) {
GST_DEBUG_CATEGORY_GET (GST_CAT_CONTEXT, "GST_CONTEXT");
g_once_init_leave (&_init, 1);
}
#endif
}
static gboolean
plugin_init (GstPlugin * plugin)
{
GST_DEBUG_CATEGORY_INIT (videoconvert_debug, "videoconvert", 0,
"Colorspace Converter");
GST_DEBUG_CATEGORY_GET (CAT_PERFORMANCE, "GST_PERFORMANCE");
_colorspace_quark = g_quark_from_static_string ("colorspace");
return gst_element_register (plugin, "videoconvert",
GST_RANK_NONE, GST_TYPE_VIDEO_CONVERT);
}
static gboolean
plugin_init (GstPlugin * plugin)
{
if (!gst_element_register (plugin, "videoscale", GST_RANK_NONE,
GST_TYPE_VIDEO_SCALE))
return FALSE;
GST_DEBUG_CATEGORY_INIT (video_scale_debug, "videoscale", 0,
"videoscale element");
GST_DEBUG_CATEGORY_GET (CAT_PERFORMANCE, "GST_PERFORMANCE");
return TRUE;
}
/**
* gst_gl_display_egl_from_gl_display:
* @display: an existing #GstGLDisplay
*
* Creates a EGL display connection from a native Display.
*
* This function will return the same value for multiple calls with the same
* @display.
*
* Returns: (transfer full): a new #GstGLDisplayEGL
*
* Since: 1.12
*/
GstGLDisplayEGL *
gst_gl_display_egl_from_gl_display (GstGLDisplay * display)
{
GstGLDisplayEGL *ret;
GstGLDisplayType display_type;
guintptr native_display;
g_return_val_if_fail (GST_IS_GL_DISPLAY (display), NULL);
GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
if (GST_IS_GL_DISPLAY_EGL (display)) {
GST_LOG_OBJECT (display, "display %" GST_PTR_FORMAT "is already a "
"GstGLDisplayEGL", display);
return gst_object_ref (display);
}
/* try to get a previously set GstGLDisplayEGL */
ret = g_object_dup_data (G_OBJECT (display), GST_GL_DISPLAY_EGL_NAME,
(GDuplicateFunc) _ref_if_set, NULL);
if (ret && GST_IS_GL_DISPLAY_EGL (ret)) {
GST_LOG_OBJECT (display, "display %" GST_PTR_FORMAT "already has a "
"GstGLDisplayEGL %" GST_PTR_FORMAT, display, ret);
return ret;
}
if (ret)
gst_object_unref (ret);
display_type = gst_gl_display_get_handle_type (display);
native_display = gst_gl_display_get_handle (display);
g_return_val_if_fail (native_display != 0, NULL);
g_return_val_if_fail (display_type != GST_GL_DISPLAY_TYPE_NONE, NULL);
ret = g_object_new (GST_TYPE_GL_DISPLAY_EGL, NULL);
ret->display =
gst_gl_display_egl_get_from_native (display_type, native_display);
if (!ret->display) {
GST_WARNING_OBJECT (ret, "failed to get EGLDisplay from native display");
gst_object_unref (ret);
return NULL;
}
g_object_set_data_full (G_OBJECT (display), GST_GL_DISPLAY_EGL_NAME,
gst_object_ref (ret), (GDestroyNotify) gst_object_unref);
return ret;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
if (!gst_element_register (plugin, "xvimagesink",
GST_RANK_PRIMARY, GST_TYPE_XVIMAGESINK))
return FALSE;
GST_DEBUG_CATEGORY_INIT (gst_debug_xvimagesink, "xvimagesink", 0,
"xvimagesink element");
GST_DEBUG_CATEGORY_INIT (gst_debug_xvimagepool, "xvimagepool", 0,
"xvimagepool object");
GST_DEBUG_CATEGORY_GET (GST_CAT_PERFORMANCE, "GST_PERFORMANCE");
return TRUE;
}
/**
* gst_gl_display_egl_new:
* @name: (allow-none): a display name
*
* Create a new #GstGLDisplayEGL from the x11 display name. See XOpenDisplay()
* for details on what is a valid name.
*
* Returns: (transfer full): a new #GstGLDisplayEGL or %NULL
*/
GstGLDisplayEGL *
gst_gl_display_egl_new (void)
{
GstGLDisplayEGL *ret;
GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
ret = g_object_new (GST_TYPE_GL_DISPLAY_EGL, NULL);
ret->display = eglGetDisplay ((EGLNativeDisplayType) EGL_DEFAULT_DISPLAY);
if (!ret->display) {
GST_ERROR ("Failed to open EGL display connection");
}
return ret;
}
/**
* gst_gl_display_egl_new_with_display:
* @display: an existing, x11 display
*
* Creates a new display connection from a X11 Display.
*
* Returns: (transfer full): a new #GstGLDisplayEGL
*/
GstGLDisplayEGL *
gst_gl_display_egl_new_with_egl_display (EGLDisplay display)
{
GstGLDisplayEGL *ret;
g_return_val_if_fail (display != NULL, NULL);
GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
ret = g_object_new (GST_TYPE_GL_DISPLAY_EGL, NULL);
ret->display = display;
ret->foreign_display = TRUE;
return ret;
}
/**
* gst_gl_display_x11_new:
* @name: (allow-none): a display name
*
* Create a new #GstGLDisplayX11 from the x11 display name. See XOpenDisplay()
* for details on what is a valid name.
*
* Returns: (transfer full): a new #GstGLDisplayX11 or %NULL
*/
GstGLDisplayX11 *
gst_gl_display_x11_new (const gchar * name)
{
GstGLDisplayX11 *ret;
GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
ret = g_object_new (GST_TYPE_GL_DISPLAY_X11, NULL);
ret->name = g_strdup (name);
ret->display = XOpenDisplay (ret->name);
if (!ret->display) {
GST_ERROR ("Failed to open X11 display connection with name, \'%s\'", name);
}
return ret;
}
/**
* gst_gl_display_x11_new_with_display:
* @display: an existing, x11 display
*
* Creates a new display connection from a X11 Display.
*
* Returns: (transfer full): a new #GstGLDisplayX11
*/
GstGLDisplayX11 *
gst_gl_display_x11_new_with_display (Display * display)
{
GstGLDisplayX11 *ret;
g_return_val_if_fail (display != NULL, NULL);
GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
ret = g_object_new (GST_TYPE_GL_DISPLAY_X11, NULL);
ret->name = g_strdup (DisplayString (display));
ret->display = display;
ret->foreign_display = TRUE;
return ret;
}
/**
* gst_gl_display_egl_new:
*
* Create a new #GstGLDisplayEGL using the default EGL_DEFAULT_DISPLAY.
*
* Returns: (transfer full): a new #GstGLDisplayEGL or %NULL
*/
GstGLDisplayEGL *
gst_gl_display_egl_new (void)
{
GstGLDisplayEGL *ret;
GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
ret = g_object_new (GST_TYPE_GL_DISPLAY_EGL, NULL);
ret->display =
gst_gl_display_egl_get_from_native (GST_GL_DISPLAY_TYPE_ANY, 0);
if (!ret->display) {
GST_ERROR ("Failed to open EGL display connection");
}
return ret;
}
/**
* gst_vdp_video_memory_init:
*
* Initializes the GL Memory allocator. It is safe to call this function
* multiple times. This must be called before any other GstVdpVideoMemory operation.
*/
void
gst_vdp_video_memory_init (void)
{
static volatile gsize _init = 0;
if (g_once_init_enter (&_init)) {
_vdp_video_allocator =
g_object_new (gst_vdp_video_allocator_get_type (), NULL);
gst_allocator_register (GST_VDP_VIDEO_MEMORY_ALLOCATOR,
gst_object_ref (_vdp_video_allocator));
GST_DEBUG_CATEGORY_INIT (gst_vdp_video_mem_debug, "vdpvideomem", 0,
"VDPAU VideoSurface Memory/Allocator");
GST_DEBUG_CATEGORY_GET (GST_CAT_PERFORMANCE, "GST_PERFORMANCE");
g_once_init_leave (&_init, 1);
}
}
/**
* gst_vulkan_display_xcb_new_with_connection:
* @display: an existing, xcb display
*
* Creates a new display connection from a XCB Display.
*
* Returns: (transfer full): a new #GstVulkanDisplayXCB
*/
GstVulkanDisplayXCB *
gst_vulkan_display_xcb_new_with_connection (xcb_connection_t * connection,
int screen_no)
{
GstVulkanDisplayXCB *ret;
g_return_val_if_fail (connection != NULL, NULL);
GST_DEBUG_CATEGORY_GET (gst_vulkan_display_debug, "gldisplay");
ret = g_object_new (GST_TYPE_VULKAN_DISPLAY_XCB, NULL);
ret->connection = connection;
ret->screen = _get_screen_from_connection (connection, screen_no);
ret->root_window = ret->screen->root;
ret->foreign_display = TRUE;
return ret;
}
static void
gst_gl_display_context_query (GstElement * element, GstGLDisplay ** display_ptr)
{
GstContext *ctxt;
GstQuery *query;
#ifndef GST_DISABLE_GST_DEBUG
if (!GST_CAT_CONTEXT)
GST_DEBUG_CATEGORY_GET (GST_CAT_CONTEXT, "GST_CONTEXT");
#endif
query =
_gst_context_query (element, display_ptr, GST_GL_DISPLAY_CONTEXT_TYPE);
gst_query_parse_context (query, &ctxt);
if (ctxt && gst_context_has_context_type (ctxt, GST_GL_DISPLAY_CONTEXT_TYPE))
gst_context_get_gl_display (ctxt, display_ptr);
if (*display_ptr)
goto out;
#if GST_GL_HAVE_WINDOW_X11
gst_query_unref (query);
query = _gst_context_query (element, display_ptr, "gst.x11.display.handle");
gst_query_parse_context (query, &ctxt);
if (ctxt && gst_context_has_context_type (ctxt, "gst.x11.display.handle")) {
const GstStructure *s;
Display *display;
s = gst_context_get_structure (ctxt);
if (gst_structure_get (s, "display", G_TYPE_POINTER, &display, NULL)
&& display) {
*display_ptr =
(GstGLDisplay *) gst_gl_display_x11_new_with_display (display);
}
}
if (*display_ptr)
goto out;
#endif
out:
gst_query_unref (query);
}
static void
gst_gl_context_query (GstElement * element, GstGLContext ** context_ptr)
{
GstContext *ctxt;
GstQuery *query;
#ifndef GST_DISABLE_GST_DEBUG
if (!GST_CAT_CONTEXT)
GST_DEBUG_CATEGORY_GET (GST_CAT_CONTEXT, "GST_CONTEXT");
#endif
query = _gst_context_query (element, context_ptr, "gst.gl.app_context");
gst_query_parse_context (query, &ctxt);
if (ctxt && gst_context_has_context_type (ctxt, "gst.gl.app_context")) {
const GstStructure *s = gst_context_get_structure (ctxt);
gst_structure_get (s, "context", GST_GL_TYPE_CONTEXT, context_ptr, NULL);
}
gst_query_unref (query);
}
/**
* gst_vulkan_display_xcb_new:
* @name: (allow-none): a display name
*
* Create a new #GstVulkanDisplayXCB from the xcb display name. See XOpenDisplay()
* for details on what is a valid name.
*
* Returns: (transfer full): a new #GstVulkanDisplayXCB or %NULL
*/
GstVulkanDisplayXCB *
gst_vulkan_display_xcb_new (const gchar * name)
{
xcb_connection_t *connection;
GstVulkanDisplayXCB *ret;
int screen_no = 0;
GST_DEBUG_CATEGORY_GET (gst_vulkan_display_debug, "gldisplay");
connection = xcb_connect (NULL, &screen_no);
if (connection == NULL || xcb_connection_has_error (connection)) {
GST_ERROR ("Failed to open XCB display connection with name, \'%s\'", name);
return NULL;
}
ret = gst_vulkan_display_xcb_new_with_connection (connection, screen_no);
GST_VULKAN_DISPLAY (ret)->event_source = xcb_event_source_new (ret);
g_source_attach (GST_VULKAN_DISPLAY (ret)->event_source,
GST_VULKAN_DISPLAY (ret)->main_context);
ret->foreign_display = FALSE;
return ret;
}
