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sys/glsink/: Switch to using framebuffer_objects instead of GLXPixmaps, because that's what my driver supports. Remo...

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Original commit message from CVS:
* sys/glsink/Makefile.am:
* sys/glsink/glextensions.c:
* sys/glsink/glextensions.h:
* sys/glsink/glimagesink.c:
* sys/glsink/glimagesink.h:
* sys/glsink/glvideo.c:
* sys/glsink/glvideo.h:
* sys/glsink/gstglbuffer.c:
* sys/glsink/gstglbuffer.h:
* sys/glsink/gstgldownload.c:
* sys/glsink/gstglfilter.c:
* sys/glsink/gstglupload.c:
* sys/glsink/gstopengl.c:
Switch to using framebuffer_objects instead of GLXPixmaps,
because that's what my driver supports.  Remove GLDrawable,
since GstGLDisplay now has a default drawable and context.
This commit is contained in:
David Schleef 2007-12-21 00:03:11 +00:00
parent 1bc2202132
commit bb4e1d10e9
14 changed files with 1420 additions and 195 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
ChangeLog
View file

@ -1,3 +1,22 @@
2007-12-20 David Schleef <ds@schleef.org>
* sys/glsink/Makefile.am:
* sys/glsink/glextensions.c:
* sys/glsink/glextensions.h:
* sys/glsink/glimagesink.c:
* sys/glsink/glimagesink.h:
* sys/glsink/glvideo.c:
* sys/glsink/glvideo.h:
* sys/glsink/gstglbuffer.c:
* sys/glsink/gstglbuffer.h:
* sys/glsink/gstgldownload.c:
* sys/glsink/gstglfilter.c:
* sys/glsink/gstglupload.c:
* sys/glsink/gstopengl.c:
Switch to using framebuffer_objects instead of GLXPixmaps,
because that's what my driver supports. Remove GLDrawable,
since GstGLDisplay now has a default drawable and context.
2007-12-20 Tim-Philipp Müller <tim at centricular dot net>
* gst/equalizer/.cvsignore:

4
sys/glsink/Makefile.am
View file

@ -7,7 +7,9 @@ libgstglimagesink_la_SOURCES = \
gstopengl.c \
glextensions.c \
gstglbuffer.c \
gstglupload.c
gstglupload.c \
gstgldownload.c \
gstglfilter.c
libgstglimagesink_la_CFLAGS = $(GST_CFLAGS) $(X_CFLAGS) $(GST_BASE_CFLAGS) \
$(GST_PLUGINS_BASE_CFLAGS)
libgstglimagesink_la_LIBADD = $(X_LIBS) $(XSHM_LIBS) -lGL \

57
sys/glsink/glextensions.c
View file

@ -122,3 +122,60 @@ DEFINE_FUNC_RET (glXWaitForSbcOML, Bool,
DEFINE_FUNC_RET (glXSwapIntervalSGI, int, (int interval), (interval));
DEFINE_FUNC_RET (glXSwapIntervalMESA, int, (unsigned int interval), (interval));
#if 0
DEFINE_FUNC (glBindFramebufferEXT, (int target, uint framebuffer),
(target, framebuffer));
DEFINE_FUNC (glDeleteRenderbuffersEXT, (int n, unsigned int *renderbuffers),
(n, renderbuffers));
DEFINE_FUNC (glGenRenderbuffersEXT, (int n, unsigned int *renderbuffers),
(n, renderbuffers));
DEFINE_FUNC (glRenderbufferStorageEXT, (int target, int internalformat,
int width, int height), (target, internalformat, width, height));
DEFINE_FUNC (glBindRenderbufferEXT, (int target, unsigned int renderbuffer),
(target, renderbuffer));
DEFINE_FUNC (glFramebufferRenderbufferEXT,
(int target, int attachment, int renderbuffertarget,
unsigned int renderbuffer), (target, attachment, renderbuffertarget,
renderbuffer));
#endif
/* EXT_framebuffer_object */
DEFINE_FUNC_RET (glIsRenderbufferEXT, Bool,
(GLuint renderbuffer), (renderbuffer));
DEFINE_FUNC (glBindRenderbufferEXT,
(GLenum target, GLuint renderbuffer), (target, renderbuffer));
DEFINE_FUNC (glDeleteRenderbuffersEXT,
(GLsizei n, GLuint * renderbuffers), (n, renderbuffers));
DEFINE_FUNC (glGenRenderbuffersEXT,
(GLsizei n, GLuint * renderbuffers), (n, renderbuffers));
DEFINE_FUNC (glRenderbufferStorageEXT,
(GLenum target, GLenum internalformat, GLsizei width, GLsizei height),
(target, internalformat, width, height));
DEFINE_FUNC (glGetRenderbufferParameterivEXT,
(GLenum target, GLenum pname, GLint * params), (target, pname, params));
DEFINE_FUNC_RET (glIsFramebufferEXT, Bool, (GLuint framebuffer), (framebuffer));
DEFINE_FUNC (glBindFramebufferEXT,
(GLenum target, GLuint framebuffer), (target, framebuffer));
DEFINE_FUNC (glDeleteFramebuffersEXT,
(GLsizei n, GLuint * framebuffers), (n, framebuffers));
DEFINE_FUNC (glGenFramebuffersEXT,
(GLsizei n, GLuint * framebuffers), (n, framebuffers));
DEFINE_FUNC_RET (glCheckFramebufferStatusEXT, GLenum,
(GLenum target), (target));
DEFINE_FUNC (glFramebufferTexture1DEXT,
(GLenum target, GLenum attachment, GLenum textarget, GLuint texture,
GLint level), (target, attachment, textarget, texture, level));
DEFINE_FUNC (glFramebufferTexture2DEXT, (GLenum target, GLenum attachment,
GLenum textarget, GLuint texture, GLint level), (target, attachment,
textarget, texture, level));
DEFINE_FUNC (glFramebufferTexture3DEXT, (GLenum target, GLenum attachment,
GLenum textarget, GLuint texture, GLint level, GLint zoffset), (target,
attachment, textarget, texture, level, zoffset));
DEFINE_FUNC (glFramebufferRenderbufferEXT, (GLenum target, GLenum attachment,
GLenum renderbuffertarget, GLuint renderbuffer), (target, attachment,
renderbuffertarget, renderbuffer));
DEFINE_FUNC (glGetFramebufferAttachmentParameterivEXT, (GLenum target,
GLenum pname, GLint * params), (target, pname, params));
DEFINE_FUNC (glGenerateMipmapEXT, (GLenum target), (target));

24
sys/glsink/glextensions.h
View file

@ -29,6 +29,30 @@ Bool glXWaitForSbcOML (Display *, GLXDrawable, int64_t, int64_t *, int64_t *, in
int glXSwapIntervalSGI (int);
int glXSwapIntervalMESA (unsigned int);
/* EXT_framebuffer_object */
Bool glIsRenderbufferEXT (GLuint renderbuffer);
void glBindRenderbufferEXT (GLenum target, GLuint renderbuffer);
void glDeleteRenderbuffersEXT (GLsizei n, GLuint *renderbuffers);
void glGenRenderbuffersEXT (GLsizei n, GLuint *renderbuffers);
void glRenderbufferStorageEXT (GLenum target, GLenum internalformat,
GLsizei width, GLsizei height);
void glGetRenderbufferParameterivEXT (GLenum target, GLenum pname, GLint *params);
Bool glIsFramebufferEXT (GLuint framebuffer);
void glBindFramebufferEXT (GLenum target, GLuint framebuffer);
void glDeleteFramebuffersEXT (GLsizei n, GLuint *framebuffers);
void glGenFramebuffersEXT (GLsizei n, GLuint *framebuffers);
GLenum glCheckFramebufferStatusEXT (GLenum target);
void glFramebufferTexture1DEXT (GLenum target, GLenum attachment,
GLenum textarget, GLuint texture, GLint level);
void glFramebufferTexture2DEXT (GLenum target, GLenum attachment,
GLenum textarget, GLuint texture, GLint level);
void glFramebufferTexture3DEXT (GLenum target, GLenum attachment,
GLenum textarget, GLuint texture, GLint level, GLint zoffset);
void glFramebufferRenderbufferEXT (GLenum target, GLenum attachment,
GLenum renderbuffertarget, GLuint renderbuffer);
void glGetFramebufferAttachmentParameterivEXT (GLenum target, GLenum pname,
GLint *params);
void glGenerateMipmapEXT (GLenum target);
#endif

29
sys/glsink/glimagesink.c
View file

@ -282,27 +282,22 @@ static gboolean
gst_glimage_sink_start (GstBaseSink * bsink)
{
GstGLImageSink *glimage_sink;
gboolean ret;
GST_DEBUG ("start");
glimage_sink = GST_GLIMAGE_SINK (bsink);
glimage_sink->display = gst_gl_display_new (glimage_sink->display_name);
if (glimage_sink->display == NULL) {
glimage_sink->display = gst_gl_display_new ();
ret = gst_gl_display_connect (glimage_sink->display,
glimage_sink->display_name);
if (!ret) {
GST_ERROR ("failed to open display");
return FALSE;
}
if (glimage_sink->window_id) {
glimage_sink->drawable =
gst_gl_drawable_new_from_window (glimage_sink->display,
glimage_sink->window_id);
} else {
glimage_sink->drawable = gst_gl_drawable_new_window (glimage_sink->display);
}
if (glimage_sink->drawable == NULL) {
GST_ERROR ("failed to create window");
return FALSE;
gst_gl_display_set_window (glimage_sink->display, glimage_sink->window_id);
}
GST_DEBUG ("start done");
@ -319,11 +314,9 @@ gst_glimage_sink_stop (GstBaseSink * bsink)
glimage_sink = GST_GLIMAGE_SINK (bsink);
gst_gl_drawable_free (glimage_sink->drawable);
gst_gl_display_free (glimage_sink->display);
g_object_unref (glimage_sink->display);
glimage_sink->display = NULL;
glimage_sink->drawable = NULL;
return TRUE;
}
@ -461,7 +454,7 @@ gst_glimage_sink_render (GstBaseSink * bsink, GstBuffer * buf)
glimage_sink = GST_GLIMAGE_SINK (bsink);
gst_gl_drawable_draw_image (glimage_sink->drawable,
gst_gl_display_draw_image (glimage_sink->display,
glimage_sink->type, GST_BUFFER_DATA (buf),
GST_VIDEO_SINK_WIDTH (glimage_sink),
GST_VIDEO_SINK_HEIGHT (glimage_sink));
@ -495,11 +488,7 @@ gst_glimage_sink_set_xwindow_id (GstXOverlay * overlay, XID window_id)
return;
}
glimage_sink->window_id = window_id;
if (glimage_sink->drawable) {
gst_gl_drawable_free (glimage_sink->drawable);
glimage_sink->drawable =
gst_gl_drawable_new_from_window (glimage_sink->display, window_id);
}
gst_gl_display_set_window (glimage_sink->display, glimage_sink->window_id);
}
static void

1
sys/glsink/glimagesink.h
View file

@ -58,7 +58,6 @@ struct _GstGLImageSink
int par_n, par_d;
GstGLDisplay *display;
GstGLDrawable *drawable;
GstGLImageType type;
XID window_id;

299
sys/glsink/glvideo.c
View file

@ -27,33 +27,115 @@
#include <string.h>
static void gst_gl_display_finalize (GObject * object);
static void gst_gl_display_init_tmp_window (GstGLDisplay * display);
static gboolean gst_gl_display_check_features (GstGLDisplay * display);
GST_BOILERPLATE (GstGLDisplay, gst_gl_display, GObject, G_TYPE_OBJECT);
GstGLDisplay *
gst_gl_display_new (const char *display_name)
static void
gst_gl_display_base_init (gpointer g_class)
{
GstGLDisplay *display;
gboolean usable;
display = g_malloc0 (sizeof (GstGLDisplay));
}
display->display = XOpenDisplay (display_name);
if (display->display == NULL) {
g_free (display);
return NULL;
}
static void
gst_gl_display_class_init (GstGLDisplayClass * klass)
{
G_OBJECT_CLASS (klass)->finalize = gst_gl_display_finalize;
}
usable = gst_gl_display_check_features (display);
if (!usable) {
g_free (display);
return NULL;
}
static void
gst_gl_display_init (GstGLDisplay * display, GstGLDisplayClass * klass)
{
display->lock = g_mutex_new ();
return display;
}
static void
gst_gl_display_finalize (GObject * object)
{
GstGLDisplay *display = GST_GL_DISPLAY (object);
if (display->assigned_window == None) {
XDestroyWindow (display->display, display->window);
}
if (display->context) {
glXDestroyContext (display->display, display->context);
}
if (display->visinfo) {
XFree (display->visinfo);
}
if (display->display) {
XCloseDisplay (display->display);
}
if (display->lock) {
g_mutex_free (display->lock);
}
}
static gboolean gst_gl_display_check_features (GstGLDisplay * display);
GstGLDisplay *
gst_gl_display_new (void)
{
return g_object_new (GST_TYPE_GL_DISPLAY, NULL);
}
#define HANDLE_X_ERRORS
#ifdef HANDLE_X_ERRORS
static int
x_error_handler (Display * display, XErrorEvent * event)
{
g_assert_not_reached ();
}
#endif
gboolean
gst_gl_display_connect (GstGLDisplay * display, const char *display_name)
{
gboolean usable;
XGCValues values;
XPixmapFormatValues *px_formats;
int n_formats;
int i;
display->display = XOpenDisplay (display_name);
if (display->display == NULL) {
return FALSE;
}
#ifdef HANDLE_X_ERRORS
XSynchronize (display->display, True);
XSetErrorHandler (x_error_handler);
#endif
usable = gst_gl_display_check_features (display);
if (!usable) {
return FALSE;
}
display->screen = DefaultScreenOfDisplay (display->display);
display->screen_num = DefaultScreen (display->display);
display->visual = DefaultVisual (display->display, display->screen_num);
display->root = DefaultRootWindow (display->display);
display->white = XWhitePixel (display->display, display->screen_num);
display->black = XBlackPixel (display->display, display->screen_num);
display->depth = DefaultDepthOfScreen (display->screen);
display->gc = XCreateGC (display->display,
DefaultRootWindow (display->display), 0, &values);
px_formats = XListPixmapFormats (display->display, &n_formats);
for (i = 0; i < n_formats; i++) {
GST_DEBUG ("%d: depth %d bpp %d pad %d", i,
px_formats[i].depth,
px_formats[i].bits_per_pixel, px_formats[i].scanline_pad);
}
gst_gl_display_init_tmp_window (display);
return TRUE;
}
static gboolean
@ -160,57 +242,30 @@ gst_gl_display_can_handle_type (GstGLDisplay * display, GstGLImageType type)
}
}
void
gst_gl_display_free (GstGLDisplay * display)
{
/* sure hope nobody is using it as it's being freed */
g_mutex_lock (display->lock);
g_mutex_unlock (display->lock);
if (display->context) {
glXDestroyContext (display->display, display->context);
}
if (display->visinfo) {
XFree (display->visinfo);
}
if (display->display) {
XCloseDisplay (display->display);
}
g_mutex_free (display->lock);
g_free (display);
}
void
gst_gl_display_lock (GstGLDisplay * display)
{
g_mutex_lock (display->lock);
glXMakeCurrent (display->display, display->window, display->context);
}
void
gst_gl_display_unlock (GstGLDisplay * display)
{
glXMakeCurrent (display->display, None, NULL);
g_mutex_unlock (display->lock);
}
/* drawable */
GstGLDrawable *
gst_gl_drawable_new_window (GstGLDisplay * display)
static void
gst_gl_display_init_tmp_window (GstGLDisplay * display)
{
GstGLDrawable *drawable;
XSetWindowAttributes attr = { 0 };
int scrnum;
int mask;
Window root;
Screen *screen;
drawable = g_malloc0 (sizeof (GstGLDrawable));
g_mutex_lock (display->lock);
drawable->display = display;
GST_ERROR ("creating temp window");
screen = XDefaultScreenOfDisplay (display->display);
scrnum = XScreenNumberOfScreen (screen);
@ -229,114 +284,72 @@ gst_gl_drawable_new_window (GstGLDisplay * display)
mask = CWBackPixel | CWBorderPixel | CWColormap | CWOverrideRedirect;
drawable->window = XCreateWindow (display->display,
display->window = XCreateWindow (display->display,
root, 0, 0, 100, 100,
0, display->visinfo->depth, InputOutput,
display->visinfo->visual, mask, &attr);
XMapWindow (display->display, drawable->window);
drawable->destroy_on_free = TRUE;
g_mutex_unlock (display->lock);
return drawable;
XMapWindow (display->display, display->window);
XSync (display->display, FALSE);
}
GstGLDrawable *
gst_gl_drawable_new_root_window (GstGLDisplay * display)
static void
gst_gl_display_destroy_tmp_window (GstGLDisplay * display)
{
GstGLDrawable *drawable;
int scrnum;
Screen *screen;
drawable = g_malloc0 (sizeof (GstGLDrawable));
g_mutex_lock (display->lock);
drawable->display = display;
screen = XDefaultScreenOfDisplay (display->display);
scrnum = XScreenNumberOfScreen (screen);
drawable->window = XRootWindow (display->display, scrnum);
drawable->destroy_on_free = FALSE;
g_mutex_unlock (display->lock);
return drawable;
}
GstGLDrawable *
gst_gl_drawable_new_from_window (GstGLDisplay * display, Window window)
{
GstGLDrawable *drawable;
drawable = g_malloc0 (sizeof (GstGLDrawable));
g_mutex_lock (display->lock);
drawable->display = display;
drawable->window = window;
drawable->destroy_on_free = FALSE;
g_mutex_unlock (display->lock);
return drawable;
XDestroyWindow (display->display, display->window);
}
void
gst_gl_drawable_free (GstGLDrawable * drawable)
gst_gl_display_set_window (GstGLDisplay * display, Window window)
{
g_mutex_lock (display->lock);
g_mutex_lock (drawable->display->lock);
if (drawable->destroy_on_free) {
XDestroyWindow (drawable->display->display, drawable->window);
if (window != display->assigned_window) {
if (display->assigned_window == None) {
gst_gl_display_destroy_tmp_window (display);
}
display->assigned_window = window;
if (display->assigned_window == None) {
gst_gl_display_init_tmp_window (display);
} else {
display->window = window;
}
}
g_mutex_unlock (drawable->display->lock);
g_free (drawable);
g_mutex_unlock (display->lock);
}
void
gst_gl_drawable_lock (GstGLDrawable * drawable)
{
g_mutex_lock (drawable->display->lock);
glXMakeCurrent (drawable->display->display, drawable->window,
drawable->display->context);
}
void
gst_gl_drawable_unlock (GstGLDrawable * drawable)
{
glXMakeCurrent (drawable->display->display, None, NULL);
g_mutex_unlock (drawable->display->lock);
}
void
gst_gl_drawable_update_attributes (GstGLDrawable * drawable)
gst_gl_display_update_attributes (GstGLDisplay * display)
{
XWindowAttributes attr;
XGetWindowAttributes (drawable->display->display, drawable->window, &attr);
drawable->win_width = attr.width;
drawable->win_height = attr.height;
if (display->window != None) {
XGetWindowAttributes (display->display, display->window, &attr);
display->win_width = attr.width;
display->win_height = attr.height;
} else {
display->win_width = 0;
display->win_height = 0;
}
}
void
gst_gl_drawable_clear (GstGLDrawable * drawable)
gst_gl_display_clear (GstGLDisplay * display)
{
gst_gl_drawable_lock (drawable);
gst_gl_display_lock (display);
glDepthFunc (GL_LESS);
glEnable (GL_DEPTH_TEST);
glClearColor (0.2, 0.2, 0.2, 1.0);
glViewport (0, 0, drawable->win_width, drawable->win_height);
glViewport (0, 0, display->win_width, display->win_height);
gst_gl_drawable_unlock (drawable);
gst_gl_display_unlock (display);
}
static void
draw_rect_texture (GstGLDrawable * drawable, GstGLImageType type,
draw_rect_texture (GstGLDisplay * display, GstGLImageType type,
void *data, int width, int height)
{
GLuint texture;
@ -437,7 +450,7 @@ draw_rect_texture (GstGLDrawable * drawable, GstGLImageType type,
}
static void
draw_pow2_texture (GstGLDrawable * drawable, GstGLImageType type,
draw_pow2_texture (GstGLDisplay * display, GstGLImageType type,
void *data, int width, int height)
{
int pow2_width;
@ -544,14 +557,14 @@ draw_pow2_texture (GstGLDrawable * drawable, GstGLImageType type,
}
void
gst_gl_drawable_draw_image (GstGLDrawable * drawable, GstGLImageType type,
gst_gl_display_draw_image (GstGLDisplay * display, GstGLImageType type,
void *data, int width, int height)
{
g_return_if_fail (data != NULL);
g_return_if_fail (width > 0);
g_return_if_fail (height > 0);
gst_gl_drawable_lock (drawable);
gst_gl_display_lock (display);
#if 0
/* Doesn't work */
@ -561,9 +574,9 @@ gst_gl_drawable_draw_image (GstGLDrawable * drawable, GstGLImageType type,
int64_t sbc = 1234;
gboolean ret;
ret = glXGetSyncValuesOML (drawable->display->display, drawable->window,
ret = glXGetSyncValuesOML (display->display, display->window,
&ust, &mst, &sbc);
GST_ERROR ("sync values %d %lld %lld %lld", ret, ust, mst, sbc);
GST_DEBUG ("sync values %d %lld %lld %lld", ret, ust, mst, sbc);
}
#endif
@ -574,16 +587,15 @@ gst_gl_drawable_draw_image (GstGLDrawable * drawable, GstGLImageType type,
int32_t den = 1234;
gboolean ret;
ret = glXGetMscRateOML (drawable->display->display, drawable->window,
&num, &den);
GST_ERROR ("rate %d %d %d", ret, num, den);
ret = glXGetMscRateOML (display->display, display->window, &num, &den);
GST_DEBUG ("rate %d %d %d", ret, num, den);
}
#endif
gst_gl_drawable_update_attributes (drawable);
gst_gl_display_update_attributes (display);
glXSwapIntervalSGI (1);
glViewport (0, 0, drawable->win_width, drawable->win_height);
//glXSwapIntervalSGI (1);
glViewport (0, 0, display->win_width, display->win_height);
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@ -598,23 +610,22 @@ gst_gl_drawable_draw_image (GstGLDrawable * drawable, GstGLImageType type,
glColor4f (1, 1, 1, 1);
if (drawable->display->have_texture_rectangle) {
draw_rect_texture (drawable, type, data, width, height);
if (display->have_texture_rectangle) {
draw_rect_texture (display, type, data, width, height);
} else {
draw_pow2_texture (drawable, type, data, width, height);
draw_pow2_texture (display, type, data, width, height);
}
glXSwapBuffers (drawable->display->display, drawable->window);
glXSwapBuffers (display->display, display->window);
#if 0
/* Doesn't work */
{
ret = glXSwapBuffersMscOML (drawable->display->display, drawable->window,
0, 1, 0);
ret = glXSwapBuffersMscOML (display->display, display->window, 0, 1, 0);
if (ret == 0) {
GST_ERROR ("glXSwapBuffersMscOML failed");
GST_DEBUG ("glXSwapBuffersMscOML failed");
}
}
#endif
gst_gl_drawable_unlock (drawable);
gst_gl_display_unlock (display);
}

62
sys/glsink/glvideo.h
View file

@ -6,9 +6,6 @@
#include <GL/gl.h>
#include <gst/gst.h>
typedef struct _GstGLDisplay GstGLDisplay;
typedef struct _GstGLDrawable GstGLDrawable;
typedef enum {
GST_GL_IMAGE_TYPE_RGBx,
GST_GL_IMAGE_TYPE_BGRx,
@ -19,54 +16,71 @@ typedef enum {
GST_GL_IMAGE_TYPE_AYUV,
} GstGLImageType;
typedef struct _GstGLDisplay GstGLDisplay;
typedef struct _GstGLDisplayClass GstGLDisplayClass;
#define GST_TYPE_GL_DISPLAY \
(gst_gl_display_get_type())
#define GST_GL_DISPLAY(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_DISPLAY,GstGLDisplay))
#define GST_GL_DISPLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_DISPLAY,GstGLDisplayClass))
#define GST_IS_GL_DISPLAY(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_DISPLAY))
#define GST_IS_GL_DISPLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_DISPLAY))
struct _GstGLDisplay {
GObject object;
Display *display;
GC gc;
XVisualInfo *visinfo;
GLXContext context;
GMutex *lock;
Screen *screen;
int scrnum;
int screen_num;
Visual *visual;
Window root;
guint32 white;
guint32 black;
int depth;
int max_texture_size;
gboolean have_ycbcr_texture;
gboolean have_texture_rectangle;
gboolean have_color_matrix;
};
struct _GstGLDrawable {
GstGLDisplay *display;
Window window;
gboolean destroy_on_free;
Window assigned_window;
int win_width;
int win_height;
};
struct _GstGLDisplayClass {
GObjectClass object_class;
};
GType gst_gl_display_get_type (void);
GstGLDisplay *gst_gl_display_new (const char *display_name);
GstGLDisplay *gst_gl_display_new (void);
gboolean gst_gl_display_connect (GstGLDisplay *display,
const char *display_name);
gboolean gst_gl_display_can_handle_type (GstGLDisplay *display,
GstGLImageType type);
void gst_gl_display_free (GstGLDisplay *display);
void gst_gl_display_lock (GstGLDisplay *display);
void gst_gl_display_unlock (GstGLDisplay *display);
/* drawable */
GstGLDrawable * gst_gl_drawable_new_window (GstGLDisplay *display);
GstGLDrawable * gst_gl_drawable_new_root_window (GstGLDisplay *display);
GstGLDrawable * gst_gl_drawable_new_from_window (GstGLDisplay *display, Window window);
void gst_gl_drawable_free (GstGLDrawable *drawable);
void gst_gl_drawable_lock (GstGLDrawable *drawable);
void gst_gl_drawable_unlock (GstGLDrawable *drawable);
void gst_gl_drawable_update_attributes (GstGLDrawable *drawable);
void gst_gl_drawable_clear (GstGLDrawable *drawable);
void gst_gl_drawable_draw_image (GstGLDrawable *drawable, GstGLImageType type, void *data, int width, int height);
void gst_gl_display_set_window (GstGLDisplay *display, Window window);
void gst_gl_display_update_attributes (GstGLDisplay *display);
void gst_gl_display_clear (GstGLDisplay *display);
void gst_gl_display_draw_image (GstGLDisplay * display, GstGLImageType type,
void *data, int width, int height);
#endif

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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gstglbuffer.h>
#include <glvideo.h>
#include "glextensions.h"
#include <string.h>
static GObjectClass *gst_gl_buffer_parent_class;
static void
gst_gl_buffer_finalize (GstGLBuffer * buffer)
{
gst_gl_display_lock (buffer->display);
switch (buffer->type) {
case GST_GL_BUFFER_XIMAGE:
GST_DEBUG ("freeing pixmap %ld", buffer->pixmap);
XFreeGC (buffer->display->display, buffer->gc);
XFreePixmap (buffer->display->display, buffer->pixmap);
break;
case GST_GL_BUFFER_RBO:
glDeleteRenderbuffersEXT (1, &buffer->rbo);
break;
default:
g_assert_not_reached ();
break;
}
gst_gl_display_unlock (buffer->display);
g_object_unref (buffer->display);
GST_MINI_OBJECT_CLASS (gst_gl_buffer_parent_class)->
finalize (GST_MINI_OBJECT (buffer));
}
static void
gst_gl_buffer_init (GstGLBuffer * buffer, gpointer g_class)
{
}
static void
gst_gl_buffer_class_init (gpointer g_class, gpointer class_data)
{
GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class);
gst_gl_buffer_parent_class = g_type_class_peek_parent (g_class);
mini_object_class->finalize = (GstMiniObjectFinalizeFunction)
gst_gl_buffer_finalize;
}
GType
gst_gl_buffer_get_type (void)
{
static GType _gst_gl_buffer_type;
if (G_UNLIKELY (_gst_gl_buffer_type == 0)) {
static const GTypeInfo info = {
sizeof (GstBufferClass),
NULL,
NULL,
gst_gl_buffer_class_init,
NULL,
NULL,
sizeof (GstGLBuffer),
0,
(GInstanceInitFunc) gst_gl_buffer_init,
NULL
};
_gst_gl_buffer_type = g_type_register_static (GST_TYPE_BUFFER,
"GstGLBuffer", &info, 0);
}
return _gst_gl_buffer_type;
}
GstGLBuffer *
gst_gl_buffer_new (GstGLDisplay * display, GstVideoFormat format,
int width, int height)
{
GstGLBuffer *buffer;
XGCValues values = { 0 };
g_return_val_if_fail (format == GST_VIDEO_FORMAT_BGRx, NULL);
g_return_val_if_fail (width > 0, NULL);
g_return_val_if_fail (height > 0, NULL);
buffer = (GstGLBuffer *) gst_mini_object_new (GST_TYPE_GL_BUFFER);
buffer->display = g_object_ref (display);
buffer->type = GST_GL_BUFFER_RBO;
buffer->width = width;
buffer->height = height;
switch (buffer->type) {
case GST_GL_BUFFER_XIMAGE:
{
buffer->pixmap = XCreatePixmap (display->display,
DefaultRootWindow (display->display), width, height, 32);
XSync (display->display, False);
buffer->gc = XCreateGC (display->display, buffer->pixmap, 0, &values);
GST_DEBUG ("new pixmap %dx%d xid %ld", width, height, buffer->pixmap);
break;
}
case GST_GL_BUFFER_RBO:
{
gst_gl_display_lock (buffer->display);
glGenRenderbuffersEXT (1, &buffer->rbo);
glBindRenderbufferEXT (GL_RENDERBUFFER_EXT, buffer->rbo);
glFramebufferRenderbufferEXT (GL_FRAMEBUFFER_EXT,
GL_COLOR_ATTACHMENT1_EXT, GL_RENDERBUFFER_EXT, buffer->rbo);
glRenderbufferStorageEXT (GL_RENDERBUFFER_EXT, GL_RGB,
buffer->width, buffer->height);
gst_gl_display_unlock (buffer->display);
break;
}
default:
g_assert_not_reached ();
}
return buffer;
}
void
gst_gl_buffer_upload (GstGLBuffer * buffer, void *data)
{
Display *display = buffer->display->display;
GST_DEBUG ("uploading %p %dx%d", data, buffer->width, buffer->height);
gst_gl_display_lock (buffer->display);
switch (buffer->type) {
case GST_GL_BUFFER_XIMAGE:
{
XImage *image;
Visual *visual;
int depth;
int bpp;
visual = DefaultVisual (display, 0);
depth = 32;
bpp = 32;
image = XCreateImage (display, visual, depth, ZPixmap, 0, NULL,
buffer->width, buffer->height, bpp, 0);
GST_DEBUG ("image %p", image);
image->data = data;
XPutImage (display, buffer->pixmap, buffer->gc,
image, 0, 0, 0, 0, buffer->width, buffer->height);
XDestroyImage (image);
break;
}
case GST_GL_BUFFER_RBO:
{
unsigned int fbo;
glGenFramebuffersEXT (1, &fbo);
glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, fbo);
glFramebufferRenderbufferEXT (GL_FRAMEBUFFER_EXT,
GL_COLOR_ATTACHMENT1_EXT, GL_RENDERBUFFER_EXT, buffer->rbo);
glDrawBuffer (GL_COLOR_ATTACHMENT1_EXT);
//glWindowPos2iARB(0, 0);
glDrawPixels (buffer->width, buffer->height, GL_RGBA,
GL_UNSIGNED_BYTE, data);
glDeleteFramebuffersEXT (1, &fbo);
break;
}
default:
g_assert_not_reached ();
}
gst_gl_display_unlock (buffer->display);
}
void
gst_gl_buffer_download (GstGLBuffer * buffer, void *data)
{
gst_gl_display_lock (buffer->display);
GST_DEBUG ("downloading");
switch (buffer->type) {
case GST_GL_BUFFER_XIMAGE:
{
XImage *image;
image = XGetImage (buffer->display->display, buffer->pixmap,
0, 0, buffer->width, buffer->height, 0xffffffff, ZPixmap);
memcpy (data, image->data, buffer->width * buffer->height * 4);
XDestroyImage (image);
break;
}
case GST_GL_BUFFER_RBO:
{
unsigned int fbo;
glGenFramebuffersEXT (1, &fbo);
glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, fbo);
glFramebufferRenderbufferEXT (GL_FRAMEBUFFER_EXT,
GL_COLOR_ATTACHMENT1_EXT, GL_RENDERBUFFER_EXT, buffer->rbo);
glReadBuffer (GL_COLOR_ATTACHMENT1_EXT);
glReadPixels (0, 0, buffer->width, buffer->height, GL_RGBA,
GL_UNSIGNED_BYTE, data);
glDeleteFramebuffersEXT (1, &fbo);
break;
}
default:
g_assert_not_reached ();
}
gst_gl_display_unlock (buffer->display);
}

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#ifndef _GST_GL_BUFFER_H_
#define _GST_GL_BUFFER_H_
#include <gst/gst.h>
#include <gst/video/video.h>
#include <xcb/xcb.h>
#include <glvideo.h>
typedef struct _GstGLBuffer GstGLBuffer;
#define GST_TYPE_GL_BUFFER (gst_gl_buffer_get_type())
#define GST_IS_GL_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_BUFFER))
#define GST_GL_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_BUFFER, GstGLBuffer))
typedef enum {
GST_GL_BUFFER_UNKNOWN,
GST_GL_BUFFER_XIMAGE,
GST_GL_BUFFER_RBO
} GstGLBufferType;
struct _GstGLBuffer {
GstBuffer buffer;
GstGLDisplay *display;
GstGLBufferType type;
XID pixmap;
GC gc;
GLuint rbo;
int width;
int height;
};
GType gst_gl_buffer_get_type (void);
GstGLBuffer * gst_gl_buffer_new (GstGLDisplay *display, GstVideoFormat format,
int width, int height);
void gst_gl_buffer_upload (GstGLBuffer *buffer, void *data);
void gst_gl_buffer_download (GstGLBuffer *buffer, void *data);
#endif

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/*
* GStreamer
* Copyright (C) 2007 David Schleef <ds@schleef.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gstglbuffer.h>
#define GST_CAT_DEFAULT gst_gl_download_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
#define GST_TYPE_GL_DOWNLOAD (gst_gl_download_get_type())
#define GST_GL_DOWNLOAD(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_DOWNLOAD,GstGLDownload))
#define GST_IS_GL_DOWNLOAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_DOWNLOAD))
#define GST_GL_DOWNLOAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_DOWNLOAD,GstGLDownloadClass))
#define GST_IS_GL_DOWNLOAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_DOWNLOAD))
#define GST_GL_DOWNLOAD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_DOWNLOAD,GstGLDownloadClass))
typedef struct _GstGLDownload GstGLDownload;
typedef struct _GstGLDownloadClass GstGLDownloadClass;
typedef void (*GstGLDownloadProcessFunc) (GstGLDownload *, guint8 *, guint);
struct _GstGLDownload
{
GstElement element;
GstPad *srcpad;
GstPad *sinkpad;
/* < private > */
GstGLDisplay *display;
GstVideoFormat format;
int width;
int height;
};
struct _GstGLDownloadClass
{
GstElementClass element_class;
};
static const GstElementDetails element_details = GST_ELEMENT_DETAILS ("FIXME",
"Filter/Effect",
"FIXME example filter",
"FIXME <fixme@fixme.com>");
#define GST_GL_VIDEO_CAPS "video/x-raw-gl"
static GstStaticPadTemplate gst_gl_download_src_pad_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_BGRx)
);
static GstStaticPadTemplate gst_gl_download_sink_pad_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_GL_VIDEO_CAPS)
);
enum
{
PROP_0
};
#define DEBUG_INIT(bla) \
GST_DEBUG_CATEGORY_INIT (gst_gl_download_debug, "gldownload", 0, "gldownload element");
GST_BOILERPLATE_FULL (GstGLDownload, gst_gl_download, GstElement,
GST_TYPE_ELEMENT, DEBUG_INIT);
static void gst_gl_download_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_gl_download_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstFlowReturn gst_gl_download_chain (GstPad * pad, GstBuffer * buf);
static void gst_gl_download_reset (GstGLDownload * download);
static GstStateChangeReturn
gst_gl_download_change_state (GstElement * element, GstStateChange transition);
static gboolean gst_gl_download_sink_setcaps (GstPad * pad, GstCaps * caps);
static void
gst_gl_download_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_set_details (element_class, &element_details);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_gl_download_src_pad_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_gl_download_sink_pad_template));
}
static void
gst_gl_download_class_init (GstGLDownloadClass * klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_gl_download_set_property;
gobject_class->get_property = gst_gl_download_get_property;
GST_ELEMENT_CLASS (klass)->change_state = gst_gl_download_change_state;
}
static void
gst_gl_download_init (GstGLDownload * download, GstGLDownloadClass * klass)
{
gst_element_create_all_pads (GST_ELEMENT (download));
download->sinkpad =
gst_element_get_static_pad (GST_ELEMENT (download), "sink");
download->srcpad = gst_element_get_static_pad (GST_ELEMENT (download), "src");
gst_pad_set_setcaps_function (download->sinkpad,
gst_gl_download_sink_setcaps);
gst_pad_set_chain_function (download->sinkpad, gst_gl_download_chain);
gst_gl_download_reset (download);
}
static void
gst_gl_download_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
//GstGLDownload *download = GST_GL_DOWNLOAD (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_gl_download_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
//GstGLDownload *download = GST_GL_DOWNLOAD (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_gl_download_reset (GstGLDownload * download)
{
if (download->display) {
g_object_unref (download->display);
download->display = NULL;
}
download->format = GST_VIDEO_FORMAT_BGRx;
}
static gboolean
gst_gl_download_start (GstGLDownload * download)
{
gboolean ret;
download->format = GST_VIDEO_FORMAT_BGRx;
download->display = gst_gl_display_new ();
ret = gst_gl_display_connect (download->display, NULL);
return ret;
}
static gboolean
gst_gl_download_stop (GstGLDownload * download)
{
gst_gl_download_reset (download);
return TRUE;
}
static gboolean
gst_gl_download_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstGLDownload *download;
gboolean ret;
GstStructure *structure;
GstCaps *srccaps;
download = GST_GL_DOWNLOAD (gst_pad_get_parent (pad));
structure = gst_caps_get_structure (caps, 0);
ret = gst_structure_get_int (structure, "width", &download->width);
ret &= gst_structure_get_int (structure, "height", &download->height);
if (!ret)
return FALSE;
srccaps = gst_video_format_new_caps (download->format,
download->width, download->height, 30, 1, 1, 1);
ret = gst_pad_set_caps (download->srcpad, srccaps);
gst_caps_unref (srccaps);
return ret;
}
static GstFlowReturn
gst_gl_download_chain (GstPad * pad, GstBuffer * buf)
{
GstGLDownload *download;
GstGLBuffer *inbuf = GST_GL_BUFFER (buf);
GstBuffer *outbuf;
GST_ERROR ("got here");
download = GST_GL_DOWNLOAD (gst_pad_get_parent (pad));
outbuf = gst_buffer_new_and_alloc (inbuf->width * inbuf->height * 4);
gst_buffer_copy_metadata (GST_BUFFER (outbuf), buf,
GST_BUFFER_COPY_TIMESTAMPS | GST_BUFFER_COPY_FLAGS);
gst_buffer_set_caps (GST_BUFFER (outbuf), GST_PAD_CAPS (download->srcpad));
GST_ERROR ("downloading %p size %d",
GST_BUFFER_DATA (outbuf), GST_BUFFER_SIZE (outbuf));
gst_gl_buffer_download (inbuf, GST_BUFFER_DATA (outbuf));
gst_pad_push (download->srcpad, GST_BUFFER (outbuf));
gst_object_unref (download);
return GST_FLOW_OK;
}
static GstStateChangeReturn
gst_gl_download_change_state (GstElement * element, GstStateChange transition)
{
GstGLDownload *download;
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GST_DEBUG ("change state");
download = GST_GL_DOWNLOAD (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_gl_download_start (download);
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_gl_download_stop (download);
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
default:
break;
}
return ret;
}

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/*
* GStreamer
* Copyright (C) 2007 David Schleef <ds@schleef.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gstglbuffer.h>
#define GST_CAT_DEFAULT gst_gl_filter_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
#define GST_TYPE_GL_FILTER (gst_gl_filter_get_type())
#define GST_GL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_FILTER,GstGLFilter))
#define GST_IS_GL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_FILTER))
#define GST_GL_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_FILTER,GstGLFilterClass))
#define GST_IS_GL_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_FILTER))
#define GST_GL_FILTER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_FILTER,GstGLFilterClass))
typedef struct _GstGLFilter GstGLFilter;
typedef struct _GstGLFilterClass GstGLFilterClass;
typedef void (*GstGLFilterProcessFunc) (GstGLFilter *, guint8 *, guint);
struct _GstGLFilter
{
GstElement element;
GstPad *srcpad;
GstPad *sinkpad;
/* < private > */
GstGLDisplay *display;
GstVideoFormat format;
int width;
int height;
};
struct _GstGLFilterClass
{
GstElementClass element_class;
};
static const GstElementDetails element_details = GST_ELEMENT_DETAILS ("FIXME",
"Filter/Effect",
"FIXME example filter",
"FIXME <fixme@fixme.com>");
#define GST_GL_VIDEO_CAPS "video/x-raw-gl"
static GstStaticPadTemplate gst_gl_filter_src_pad_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_GL_VIDEO_CAPS)
);
static GstStaticPadTemplate gst_gl_filter_sink_pad_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_GL_VIDEO_CAPS)
);
enum
{
PROP_0
};
#define DEBUG_INIT(bla) \
GST_DEBUG_CATEGORY_INIT (gst_gl_filter_debug, "glfilter", 0, "glfilter element");
GST_BOILERPLATE_FULL (GstGLFilter, gst_gl_filter, GstElement,
GST_TYPE_ELEMENT, DEBUG_INIT);
static void gst_gl_filter_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_gl_filter_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstFlowReturn gst_gl_filter_chain (GstPad * pad, GstBuffer * buf);
static void gst_gl_filter_reset (GstGLFilter * filter);
static GstStateChangeReturn
gst_gl_filter_change_state (GstElement * element, GstStateChange transition);
static gboolean gst_gl_filter_sink_setcaps (GstPad * pad, GstCaps * caps);
static gboolean gst_gl_filter_transform (GstGLBuffer * outbuf,
GstGLBuffer * inbuf);
static void
gst_gl_filter_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_set_details (element_class, &element_details);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_gl_filter_src_pad_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_gl_filter_sink_pad_template));
}
static void
gst_gl_filter_class_init (GstGLFilterClass * klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_gl_filter_set_property;
gobject_class->get_property = gst_gl_filter_get_property;
GST_ELEMENT_CLASS (klass)->change_state = gst_gl_filter_change_state;
}
static void
gst_gl_filter_init (GstGLFilter * filter, GstGLFilterClass * klass)
{
gst_element_create_all_pads (GST_ELEMENT (filter));
filter->sinkpad = gst_element_get_static_pad (GST_ELEMENT (filter), "sink");
filter->srcpad = gst_element_get_static_pad (GST_ELEMENT (filter), "src");
gst_pad_set_setcaps_function (filter->sinkpad, gst_gl_filter_sink_setcaps);
gst_pad_set_chain_function (filter->sinkpad, gst_gl_filter_chain);
gst_gl_filter_reset (filter);
}
static void
gst_gl_filter_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
//GstGLFilter *filter = GST_GL_FILTER (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_gl_filter_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
//GstGLFilter *filter = GST_GL_FILTER (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_gl_filter_reset (GstGLFilter * filter)
{
if (filter->display) {
g_object_unref (filter->display);
filter->display = NULL;
}
filter->format = GST_VIDEO_FORMAT_BGRx;
}
static gboolean
gst_gl_filter_start (GstGLFilter * filter)
{
gboolean ret;
filter->format = GST_VIDEO_FORMAT_BGRx;
filter->display = gst_gl_display_new ();
ret = gst_gl_display_connect (filter->display, NULL);
return ret;
}
static gboolean
gst_gl_filter_stop (GstGLFilter * filter)
{
gst_gl_filter_reset (filter);
return TRUE;
}
static gboolean
gst_gl_filter_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstGLFilter *filter;
gboolean ret;
GstStructure *structure;
filter = GST_GL_FILTER (gst_pad_get_parent (pad));
structure = gst_caps_get_structure (caps, 0);
ret = gst_structure_get_int (structure, "width", &filter->width);
ret &= gst_structure_get_int (structure, "height", &filter->height);
if (!ret)
return FALSE;
GST_ERROR ("setcaps %d %d", filter->width, filter->height);
ret = gst_pad_set_caps (filter->srcpad, caps);
return ret;
}
static GstFlowReturn
gst_gl_filter_chain (GstPad * pad, GstBuffer * buf)
{
GstGLFilter *filter;
GstGLBuffer *inbuf;
GstGLBuffer *outbuf;
filter = GST_GL_FILTER (gst_pad_get_parent (pad));
inbuf = GST_GL_BUFFER (buf);
outbuf = gst_gl_buffer_new (inbuf->display, filter->format,
filter->width, filter->height);
gst_buffer_copy_metadata (GST_BUFFER (outbuf), buf,
GST_BUFFER_COPY_TIMESTAMPS | GST_BUFFER_COPY_FLAGS);
gst_buffer_set_caps (GST_BUFFER (outbuf), GST_PAD_CAPS (filter->srcpad));
gst_gl_filter_transform (outbuf, inbuf);
gst_pad_push (filter->srcpad, GST_BUFFER (outbuf));
gst_object_unref (filter);
return GST_FLOW_OK;
}
static GstStateChangeReturn
gst_gl_filter_change_state (GstElement * element, GstStateChange transition)
{
GstGLFilter *filter;
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GST_DEBUG ("change state");
filter = GST_GL_FILTER (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_gl_filter_start (filter);
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_gl_filter_stop (filter);
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
default:
break;
}
return ret;
}
void
dump_fbconfigs (Display * display)
{
GLXFBConfig *fbconfigs;
int n;
int i;
int j;
int ret;
int value;
struct
{
int attr;
char *name;
} list[] = {
{
GLX_DRAWABLE_TYPE, "drawable type"}, {
GLX_BIND_TO_TEXTURE_TARGETS_EXT, "bind to texture targets"}, {
GLX_BIND_TO_TEXTURE_RGBA_EXT, "bind to texture rgba"}, {
GLX_MAX_PBUFFER_WIDTH, "max pbuffer width"}, {
GLX_MAX_PBUFFER_HEIGHT, "max pbuffer height"}, {
GLX_MAX_PBUFFER_PIXELS, "max pbuffer pixels"}, {
GLX_RENDER_TYPE, "render type"}, {
0, 0}
};
g_print ("screen count: %d\n", ScreenCount (display));
fbconfigs = glXGetFBConfigs (display, 0, &n);
for (i = 0; i < n; i++) {
g_print ("%d:\n", i);
for (j = 0; list[j].attr; j++) {
ret = glXGetFBConfigAttrib (display, fbconfigs[i], list[j].attr, &value);
if (ret != Success) {
g_print ("%s: failed\n", list[j].name);
} else {
g_print ("%s: %d\n", list[j].name, value);
}
}
}
}
static gboolean
gst_gl_filter_transform (GstGLBuffer * outbuf, GstGLBuffer * inbuf)
{
GstGLDisplay *display;
#if 0
int pixmapAttribs[] = {
GLX_TEXTURE_TARGET_EXT, GLX_TEXTURE_RECTANGLE_EXT,
GLX_TEXTURE_FORMAT_EXT, GLX_TEXTURE_FORMAT_RGBA_EXT,
None
};
#endif
GLXFBConfig *fbconfigs;
int n;
int i;
GLXDrawable glxpixmap;
GLXContext context = 0;
int fb_index = 0;
int attrib[] = { GLX_RGBA, GLX_RED_SIZE, 8,
GLX_GREEN_SIZE, 8, GLX_BLUE_SIZE, 8, None
};
XVisualInfo *visinfo;
display = outbuf->display;
gst_gl_display_lock (display);
//context = glXCreateContext (display->display, visinfo, NULL, True);
dump_fbconfigs (display->display);
fbconfigs = glXGetFBConfigs (display->display, display->screen_num, &n);
for (i = 0; i < n; i++) {
XVisualInfo *visinfo;
int value;
GST_DEBUG ("fbconfig %d", i);
visinfo = glXGetVisualFromFBConfig (display->display, fbconfigs[i]);
GST_DEBUG ("visinfo %p", visinfo);
glXGetFBConfigAttrib (display->display, fbconfigs[i],
GLX_DRAWABLE_TYPE, &value);
if (!(value & GLX_WINDOW_BIT)) {
GST_DEBUG ("GLX_DRAWABLE_TYPE doesn't have GLX_WINDOW_BIT set");
continue;
}
glXGetFBConfigAttrib (display->display, fbconfigs[i],
GLX_BIND_TO_TEXTURE_TARGETS_EXT, &value);
if (!(value & GLX_TEXTURE_2D_BIT_EXT)) {
GST_DEBUG
("GLX_BIND_TO_TEXTURE_TARGETS_EXT doesn't have GLX_TEXTURE_2D_BIT_EXT set");
continue;
}
glXGetFBConfigAttrib (display->display, fbconfigs[i],
GLX_BIND_TO_TEXTURE_RGBA_EXT, &value);
GST_DEBUG ("GLX_BIND_TO_TEXTURE_RGBA_EXT %d", value);
}
fb_index = 0;
#if 0
{
pb = glXCreatePbuffer (display->display, fbconfigs[fb_index], attribs);
}
#endif
XSync (display->display, False);
visinfo = glXChooseVisual (display->display, 0, attrib);
glxpixmap = glXCreateGLXPixmap (display->display, visinfo, outbuf->pixmap);
XSync (display->display, False);
glXMakeCurrent (display->display, glxpixmap, context);
glXMakeCurrent (display->display, None, NULL);
gst_gl_display_unlock (display);
return TRUE;
}

112
sys/glsink/gstglupload.c
View file

@ -78,7 +78,7 @@ static GstStaticPadTemplate gst_gl_upload_sink_pad_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBx)
GST_STATIC_CAPS (GST_VIDEO_CAPS_BGRx)
);
enum
@ -99,6 +99,9 @@ static void gst_gl_upload_get_property (GObject * object, guint prop_id,
static GstFlowReturn gst_gl_upload_chain (GstPad * pad, GstBuffer * buf);
static void gst_gl_upload_reset (GstGLUpload * upload);
static GstStateChangeReturn
gst_gl_upload_change_state (GstElement * element, GstStateChange transition);
static gboolean gst_gl_upload_sink_setcaps (GstPad * pad, GstCaps * caps);
static void
@ -123,11 +126,18 @@ gst_gl_upload_class_init (GstGLUploadClass * klass)
gobject_class->set_property = gst_gl_upload_set_property;
gobject_class->get_property = gst_gl_upload_get_property;
GST_ELEMENT_CLASS (klass)->change_state = gst_gl_upload_change_state;
}
static void
gst_gl_upload_init (GstGLUpload * upload, GstGLUploadClass * klass)
{
gst_element_create_all_pads (GST_ELEMENT (upload));
upload->sinkpad = gst_element_get_static_pad (GST_ELEMENT (upload), "sink");
upload->srcpad = gst_element_get_static_pad (GST_ELEMENT (upload), "src");
gst_pad_set_setcaps_function (upload->sinkpad, gst_gl_upload_sink_setcaps);
gst_pad_set_chain_function (upload->sinkpad, gst_gl_upload_chain);
gst_gl_upload_reset (upload);
@ -162,6 +172,61 @@ gst_gl_upload_get_property (GObject * object, guint prop_id,
static void
gst_gl_upload_reset (GstGLUpload * upload)
{
if (upload->display) {
g_object_unref (upload->display);
upload->display = NULL;
}
upload->format = GST_VIDEO_FORMAT_BGRx;
}
static gboolean
gst_gl_upload_start (GstGLUpload * upload)
{
gboolean ret;
upload->format = GST_VIDEO_FORMAT_BGRx;
upload->display = gst_gl_display_new ();
ret = gst_gl_display_connect (upload->display, NULL);
return ret;
}
static gboolean
gst_gl_upload_stop (GstGLUpload * upload)
{
gst_gl_upload_reset (upload);
return TRUE;
}
static gboolean
gst_gl_upload_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstGLUpload *upload;
GstVideoFormat format;
int height;
int width;
gboolean ret;
GstCaps *srccaps;
upload = GST_GL_UPLOAD (gst_pad_get_parent (pad));
ret = gst_video_format_parse_caps (caps, &format, &width, &height);
if (!ret)
return FALSE;
upload->format = format;
upload->width = width;
upload->height = height;
GST_ERROR ("setcaps %d %d %d", format, width, height);
srccaps = gst_caps_new_simple ("video/x-raw-gl",
"width", G_TYPE_INT, width, "height", G_TYPE_INT, height, NULL);
ret = gst_pad_set_caps (upload->srcpad, srccaps);
gst_caps_unref (srccaps);
return ret;
}
static GstFlowReturn
@ -177,6 +242,10 @@ gst_gl_upload_chain (GstPad * pad, GstBuffer * buf)
gst_buffer_copy_metadata (GST_BUFFER (outbuf), buf,
GST_BUFFER_COPY_TIMESTAMPS | GST_BUFFER_COPY_FLAGS);
gst_buffer_set_caps (GST_BUFFER (outbuf), GST_PAD_CAPS (upload->srcpad));
GST_DEBUG ("uploading %p size %d", GST_BUFFER_DATA (buf),
GST_BUFFER_SIZE (buf));
gst_gl_buffer_upload (outbuf, GST_BUFFER_DATA (buf));
gst_pad_push (upload->srcpad, GST_BUFFER (outbuf));
@ -184,3 +253,44 @@ gst_gl_upload_chain (GstPad * pad, GstBuffer * buf)
gst_object_unref (upload);
return GST_FLOW_OK;
}
static GstStateChangeReturn
gst_gl_upload_change_state (GstElement * element, GstStateChange transition)
{
GstGLUpload *upload;
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GST_DEBUG ("change state");
upload = GST_GL_UPLOAD (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_gl_upload_start (upload);
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_gl_upload_stop (upload);
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
default:
break;
}
return ret;
}

12
sys/glsink/gstopengl.c
View file

@ -33,6 +33,8 @@
#include <glimagesink.h>
GType gst_gl_upload_get_type (void);
GType gst_gl_download_get_type (void);
GType gst_gl_filter_get_type (void);
static gboolean
@ -46,15 +48,17 @@ plugin_init (GstPlugin * plugin)
return FALSE;
}
if (!gst_element_register (plugin, "glupload",
GST_RANK_MARGINAL, gst_gl_upload_get_type ())) {
GST_RANK_NONE, gst_gl_upload_get_type ())) {
return FALSE;
}
#if 0
if (!gst_element_register (plugin, "gldownload",
GST_RANK_MARGINAL, GST_TYPE_GL_DOWNLOAD)) {
GST_RANK_NONE, gst_gl_download_get_type ())) {
return FALSE;
}
if (!gst_element_register (plugin, "glfilter",
GST_RANK_NONE, gst_gl_filter_get_type ())) {
return FALSE;
}
#endif
return TRUE;
}