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eglglessink: Implement GstContext handling

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This commit is contained in:
Sebastian Dröge 2013-03-28 17:48:04 +01:00
parent 9e2af116f6
commit ce9b6e5afb
4 changed files with 177 additions and 17 deletions
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136
ext/eglgles/gsteglglessink.c
View file

@ -356,6 +356,8 @@ static void gst_eglglessink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static GstStateChangeReturn gst_eglglessink_change_state (GstElement * element,
GstStateChange transition);
static void gst_eglglessink_set_context (GstElement * element,
GstContext * context);
static GstFlowReturn gst_eglglessink_prepare (GstBaseSink * bsink,
GstBuffer * buf);
static GstFlowReturn gst_eglglessink_show_frame (GstVideoSink * vsink,
@ -364,6 +366,8 @@ static gboolean gst_eglglessink_setcaps (GstBaseSink * bsink, GstCaps * caps);
static GstCaps *gst_eglglessink_getcaps (GstBaseSink * bsink, GstCaps * filter);
static gboolean gst_eglglessink_propose_allocation (GstBaseSink * bsink,
GstQuery * query);
static gboolean gst_eglglessink_query (GstBaseSink * bsink, GstQuery * query);
static gboolean gst_eglglessink_event (GstBaseSink * bsink, GstEvent * event);
/* VideoOverlay interface cruft */
static void gst_eglglessink_videooverlay_init (GstVideoOverlayInterface *
@ -1518,6 +1522,7 @@ HANDLE_ERROR:
static gboolean
gst_eglglessink_init_egl_display (GstEglGlesSink * eglglessink)
{
GstMessage *msg;
EGLDisplay display;
GST_DEBUG_OBJECT (eglglessink, "Enter EGL initial configuration");
@ -1531,12 +1536,33 @@ gst_eglglessink_init_egl_display (GstEglGlesSink * eglglessink)
}
#endif
display = eglGetDisplay (EGL_DEFAULT_DISPLAY);
if (display == EGL_NO_DISPLAY) {
GST_ERROR_OBJECT (eglglessink, "Could not get EGL display connection");
goto HANDLE_ERROR; /* No EGL error is set by eglGetDisplay() */
msg = gst_message_new_need_context (GST_OBJECT_CAST (eglglessink));
gst_message_add_context_type (msg, GST_EGL_DISPLAY_CONTEXT_TYPE);
gst_element_post_message (GST_ELEMENT_CAST (eglglessink), msg);
GST_OBJECT_LOCK (eglglessink);
if (eglglessink->eglglesctx.set_display) {
eglglessink->eglglesctx.display =
gst_egl_display_ref (eglglessink->eglglesctx.set_display);
GST_OBJECT_UNLOCK (eglglessink);
} else {
GstContext *context;
GST_OBJECT_UNLOCK (eglglessink);
display = eglGetDisplay (EGL_DEFAULT_DISPLAY);
if (display == EGL_NO_DISPLAY) {
GST_ERROR_OBJECT (eglglessink, "Could not get EGL display connection");
goto HANDLE_ERROR; /* No EGL error is set by eglGetDisplay() */
}
eglglessink->eglglesctx.display = gst_egl_display_new (display);
context = gst_context_new ();
gst_context_set_egl_display (context, eglglessink->eglglesctx.display);
msg = gst_message_new_have_context (GST_OBJECT (eglglessink), context);
gst_element_post_message (GST_ELEMENT_CAST (eglglessink), msg);
}
eglglessink->eglglesctx.display = gst_egl_display_new (display);
if (!eglInitialize (gst_egl_display_get (eglglessink->eglglesctx.display),
&eglglessink->eglglesctx.egl_major,
@ -2511,6 +2537,103 @@ gst_eglglessink_getcaps (GstBaseSink * bsink, GstCaps * filter)
return ret;
}
static gboolean
gst_eglglessink_event (GstBaseSink * bsink, GstEvent * event)
{
GstEglGlesSink *eglglessink;
eglglessink = GST_EGLGLESSINK (bsink);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CONTEXT:{
GstContext *context;
GstEGLDisplay *display;
gst_event_parse_context (event, &context);
if (gst_context_get_egl_display (context, &display)) {
GST_OBJECT_LOCK (eglglessink);
if (eglglessink->eglglesctx.set_display)
gst_egl_display_unref (eglglessink->eglglesctx.set_display);
eglglessink->eglglesctx.set_display = display;
GST_OBJECT_UNLOCK (eglglessink);
}
return GST_BASE_SINK_CLASS (gst_eglglessink_parent_class)->event (bsink,
event);
break;
}
default:
return GST_BASE_SINK_CLASS (gst_eglglessink_parent_class)->event (bsink,
event);
break;
}
}
static gboolean
gst_eglglessink_query (GstBaseSink * bsink, GstQuery * query)
{
GstEglGlesSink *eglglessink;
eglglessink = GST_EGLGLESSINK (bsink);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONTEXT:{
guint i, n;
GST_BASE_SINK_CLASS (gst_eglglessink_parent_class)->query (bsink, query);
n = gst_query_get_n_context_types (query);
for (i = 0; i < n; i++) {
const gchar *context_type = NULL;
gst_query_parse_nth_context_type (query, i, &context_type);
if (g_strcmp0 (context_type, GST_EGL_DISPLAY_CONTEXT_TYPE) == 0) {
GstContext *context, *old_context;
gst_query_parse_context (query, &old_context);
if (old_context)
context = gst_context_copy (old_context);
else
context = gst_context_new ();
gst_context_set_egl_display (context,
eglglessink->eglglesctx.display);
gst_query_set_context (query, context);
break;
}
}
return TRUE;
break;
}
default:
return GST_BASE_SINK_CLASS (gst_eglglessink_parent_class)->query (bsink,
query);
break;
}
}
static void
gst_eglglessink_set_context (GstElement * element, GstContext * context)
{
GstEglGlesSink *eglglessink;
GstStructure *s;
GstEGLDisplay *display = NULL;
eglglessink = GST_EGLGLESSINK (element);
s = (GstStructure *) gst_context_get_structure (context);
if (gst_structure_get (s, GST_EGL_DISPLAY_CONTEXT_TYPE, GST_TYPE_EGL_DISPLAY,
&display, NULL)) {
GST_OBJECT_LOCK (eglglessink);
if (eglglessink->eglglesctx.set_display)
gst_egl_display_unref (eglglessink->eglglesctx.set_display);
eglglessink->eglglesctx.set_display = display;
GST_OBJECT_UNLOCK (eglglessink);
}
}
static gboolean
gst_eglglessink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
{
@ -2914,12 +3037,15 @@ gst_eglglessink_class_init (GstEglGlesSinkClass * klass)
gobject_class->finalize = gst_eglglessink_finalize;
gstelement_class->change_state = gst_eglglessink_change_state;
gstelement_class->set_context = gst_eglglessink_set_context;
gstbasesink_class->set_caps = GST_DEBUG_FUNCPTR (gst_eglglessink_setcaps);
gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_eglglessink_getcaps);
gstbasesink_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_eglglessink_propose_allocation);
gstbasesink_class->prepare = GST_DEBUG_FUNCPTR (gst_eglglessink_prepare);
gstbasesink_class->query = GST_DEBUG_FUNCPTR (gst_eglglessink_query);
gstbasesink_class->event = GST_DEBUG_FUNCPTR (gst_eglglessink_event);
gstvideosink_class->show_frame =
GST_DEBUG_FUNCPTR (gst_eglglessink_show_frame);

2
ext/eglgles/gsteglglessink.h
View file

@ -120,7 +120,7 @@ struct _GstEglGlesRenderContext
{
EGLConfig config;
EGLContext eglcontext;
GstEGLDisplay *display;
GstEGLDisplay *display, *set_display;
EGLNativeWindowType window, used_window;
EGLSurface surface;
gboolean buffer_preserved;

20
gst-libs/gst/egl/egl.c
View file

@ -290,6 +290,26 @@ gst_egl_image_allocator_wrap (GstAllocator * allocator,
return GST_MEMORY_CAST (mem);
}
void
gst_context_set_egl_display (GstContext * context, GstEGLDisplay * display)
{
GstStructure *s;
s = (GstStructure *) gst_context_get_structure (context);
gst_structure_set (s, GST_EGL_DISPLAY_CONTEXT_TYPE, GST_TYPE_EGL_DISPLAY,
display, NULL);
}
gboolean
gst_context_get_egl_display (GstContext * context, GstEGLDisplay ** display)
{
GstStructure *s;
s = (GstStructure *) gst_context_get_structure (context);
return gst_structure_get (s, GST_EGL_DISPLAY_CONTEXT_TYPE,
GST_TYPE_EGL_DISPLAY, display, NULL);
}
struct _GstEGLDisplay
{
EGLDisplay display;

36
gst-libs/gst/egl/egl.h
View file

@ -28,7 +28,8 @@
#define GST_EGL_IMAGE_MEMORY_TYPE "EGLImage"
typedef enum {
typedef enum
{
GST_EGL_IMAGE_MEMORY_TYPE_INVALID = -1,
/* GL formats */
GST_EGL_IMAGE_MEMORY_TYPE_LUMINANCE = 0x0000,
@ -42,7 +43,8 @@ typedef enum {
GST_EGL_IMAGE_MEMORY_TYPE_OTHER = 0xffff
} GstEGLImageType;
typedef enum {
typedef enum
{
/* GStreamer orientation, top line first in memory, left row first */
GST_EGL_IMAGE_ORIENTATION_X_NORMAL_Y_NORMAL,
/* OpenGL orientation, bottom line first in memory, left row first */
@ -58,22 +60,34 @@ typedef struct _GstEGLDisplay GstEGLDisplay;
gboolean gst_egl_image_memory_is_mappable (void);
gboolean gst_is_egl_image_memory (GstMemory * mem);
EGLImageKHR gst_egl_image_memory_get_image (GstMemory * mem);
GstEGLDisplay * gst_egl_image_memory_get_display (GstMemory * mem);
GstEGLDisplay *gst_egl_image_memory_get_display (GstMemory * mem);
GstEGLImageType gst_egl_image_memory_get_type (GstMemory * mem);
GstEGLImageOrientation gst_egl_image_memory_get_orientation (GstMemory *mem);
void gst_egl_image_memory_set_orientation (GstMemory *mem, GstEGLImageOrientation orientation);
GstEGLImageOrientation gst_egl_image_memory_get_orientation (GstMemory * mem);
void gst_egl_image_memory_set_orientation (GstMemory * mem,
GstEGLImageOrientation orientation);
/* Generic EGLImage allocator that doesn't support mapping, copying or anything */
GstAllocator * gst_egl_image_allocator_obtain (void);
GstMemory * gst_egl_image_allocator_alloc (GstAllocator * allocator, GstEGLDisplay * display, GstEGLImageType type, gint width, gint height, gsize * size);
GstMemory * gst_egl_image_allocator_wrap (GstAllocator * allocator, GstEGLDisplay * display, EGLImageKHR image, GstEGLImageType type, GstMemoryFlags flags, gsize size, gpointer user_data, GDestroyNotify user_data_destroy);
GstAllocator *gst_egl_image_allocator_obtain (void);
GstMemory *gst_egl_image_allocator_alloc (GstAllocator * allocator,
GstEGLDisplay * display, GstEGLImageType type, gint width, gint height,
gsize * size);
GstMemory *gst_egl_image_allocator_wrap (GstAllocator * allocator,
GstEGLDisplay * display, EGLImageKHR image, GstEGLImageType type,
GstMemoryFlags flags, gsize size, gpointer user_data,
GDestroyNotify user_data_destroy);
#define GST_EGL_DISPLAY_CONTEXT_TYPE "gst.egl.EGLDisplay"
void gst_context_set_egl_display (GstContext * context,
GstEGLDisplay * display);
gboolean gst_context_get_egl_display (GstContext * context,
GstEGLDisplay ** display);
/* EGLDisplay wrapper with refcount, connection is closed after last ref is gone */
#define GST_TYPE_EGL_DISPLAY (gst_egl_display_get_type())
GType gst_egl_display_get_type(void);
GType gst_egl_display_get_type (void);
GstEGLDisplay * gst_egl_display_new (EGLDisplay display);
GstEGLDisplay * gst_egl_display_ref (GstEGLDisplay * display);
GstEGLDisplay *gst_egl_display_new (EGLDisplay display);
GstEGLDisplay *gst_egl_display_ref (GstEGLDisplay * display);
void gst_egl_display_unref (GstEGLDisplay * display);
EGLDisplay gst_egl_display_get (GstEGLDisplay * display);