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Add initial VA/GLX support.

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This commit is contained in:
gb 2010-03-25 17:28:49 +00:00
parent 511463c699
commit 89a99d828c
12 changed files with 1289 additions and 14 deletions
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47
configure.ac
View file

@ -70,6 +70,11 @@ AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_LIBTOOL
AC_ARG_ENABLE(glx,
AC_HELP_STRING([--enable-glx],
[enable OpenGL/X11 @<:@default=yes@:>@]),
[], [enable_glx="yes"])
dnl Check for __attribute__((visibility()))
AC_CACHE_CHECK([whether __attribute__((visibility())) is supported],
vaapi_cv_visibility_attribute,
@ -150,11 +155,28 @@ AC_SUBST(plugindir)
dnl Check for X11
PKG_CHECK_MODULES(X11, [x11])
dnl Check for OpenGL
USE_GLX=1
if test "$enable_glx" != "yes"; then
USE_GLX=0
fi
OPENGL_CFLAGS=""
OPENGL_LIBS=""
AC_CHECK_HEADERS([GL/gl.h GL/glext.h GL/glx.h], [], [USE_GLX=0], [
#ifdef HAVE_GL_GL_H
# include <GL/gl.h>
#endif
])
AC_CHECK_LIB(GL, glXCreateContext, [OPENGL_LIBS="-lGL -ldl"], [USE_GLX=0])
AC_SUBST(OPENGL_CFLAGS)
AC_SUBST(OPENGL_LIBS)
dnl Check for VA-API
LIBVA_PKGNAME="libva"
PKG_CHECK_MODULES(LIBVA, [$LIBVA_PKGNAME])
AC_SUBST(LIBVA_PKGNAME)
dnl ... original VA-API 0.29
AC_CACHE_CHECK([for old VA-API 0.29],
ac_cv_have_vaapi_old, [
saved_CFLAGS="$CFLAGS"
@ -173,6 +195,7 @@ if test "$ac_cv_have_vaapi_old" = "yes"; then
LIBVA_EXTRA_CFLAGS="$LIBVA_CFLAGS -DGST_VAAPI_USE_OLD_VAAPI_0_29"
fi
dnl ... VA-API >= 0.31 or -sds
LIBVA_X11_PKGNAME="libva-x11"
PKG_CHECK_MODULES(LIBVA_X11, [$LIBVA_X11_PKGNAME],
[ac_cv_have_vaapi_x11="yes"],
@ -189,9 +212,24 @@ if test "$ac_cv_have_vaapi_x11" = "no"; then
fi
AC_SUBST(LIBVA_X11_PKGNAME)
dnl ... VA-API >= 0.31 or -sds
LIBVA_GLX_PKGNAME="libva-glx"
PKG_CHECK_MODULES(LIBVA_GLX, [$LIBVA_GLX_PKGNAME],
[ac_cv_have_vaapi_glx="yes"],
[ac_cv_have_vaapi_glx="no"]
)
if test "$ac_cv_have_vaapi_glx" = "no"; then
AC_MSG_WARN([could not find VA/GLX extensions. Disabling GLX support])
USE_GLX=0
fi
AC_SUBST(LIBVA_GLX_PKGNAME)
AC_SUBST(LIBVA_EXTRA_CFLAGS)
AC_SUBST(LIBVA_EXTRA_LIBS)
AC_DEFINE_UNQUOTED(USE_GLX, $USE_GLX, [Defined to 1 if GLX is enabled])
AM_CONDITIONAL(USE_GLX, test $USE_GLX -eq 1)
VA_VERSION=`$PKG_CONFIG --modversion libva`
VA_MAJOR_VERSION=`echo "$VA_VERSION" | cut -d'.' -f1`
VA_MINOR_VERSION=`echo "$VA_VERSION" | cut -d'.' -f2`
@ -231,8 +269,12 @@ debian.upstream/libgstvaapi-x11.install.in
gst-libs/gst/Makefile
gst-libs/gst/vaapi/Makefile
pkgconfig/Makefile
pkgconfig/gstreamer-vaapi.pc
pkgconfig/gstreamer-vaapi-x11.pc
pkgconfig/gstreamer-vaapi-$GST_MAJORMINOR.pc:\
pkgconfig/gstreamer-vaapi.pc.in
pkgconfig/gstreamer-vaapi-glx-$GST_MAJORMINOR.pc:\
pkgconfig/gstreamer-vaapi-glx.pc.in
pkgconfig/gstreamer-vaapi-x11-$GST_MAJORMINOR.pc:\
pkgconfig/gstreamer-vaapi-x11.pc.in
sys/Makefile
sys/vaapiconvert/Makefile
sys/vaapisink/Makefile
@ -244,4 +286,5 @@ echo
echo $PACKAGE configuration summary:
echo
echo VA-API version ................... : $VA_VERSION_STR
echo GLX support ...................... : $(test $USE_GLX -eq 1 && echo yes || echo no)
echo

49
gst-libs/gst/vaapi/Makefile.am
View file

@ -3,6 +3,10 @@ lib_LTLIBRARIES = \
libgstvaapi-x11-@GST_MAJORMINOR@.la \
$(NULL)
if USE_GLX
lib_LTLIBRARIES += libgstvaapi-glx-@GST_MAJORMINOR@.la
endif
libgstvaapi_includedir = \
$(includedir)/gstreamer-@GST_MAJORMINOR@/gst/vaapi
@ -68,6 +72,26 @@ libgstvaapi_x11_source_priv_h = \
gstvaapiutils_x11.h \
$(NULL)
libgstvaapi_glx_source_c = \
gstvaapidisplay_glx.c \
gstvaapiutils.c \
gstvaapiutils_glx.c \
gstvaapiutils_x11.c \
gstvaapiwindow_glx.c \
$(NULL)
libgstvaapi_glx_source_h = \
gstvaapicompat.h \
gstvaapidisplay_glx.h \
gstvaapiwindow_glx.h \
$(NULL)
libgstvaapi_glx_source_priv_h = \
gstvaapiutils.h \
gstvaapiutils_glx.h \
gstvaapiutils_x11.h \
$(NULL)
libgstvaapi_@GST_MAJORMINOR@_la_SOURCES = \
$(libgstvaapi_source_c) \
$(libgstvaapi_source_priv_h) \
@ -118,6 +142,31 @@ libgstvaapi_x11_@GST_MAJORMINOR@_la_LIBADD = \
libgstvaapi-@GST_MAJORMINOR@.la \
$(NULL)
libgstvaapi_glx_@GST_MAJORMINOR@_la_SOURCES = \
$(libgstvaapi_glx_source_c) \
$(libgstvaapi_glx_source_priv_h) \
$(NULL)
libgstvaapi_glx_@GST_MAJORMINOR@include_HEADERS = \
$(libgstvaapi_glx_source_h) \
$(NULL)
libgstvaapi_glx_@GST_MAJORMINOR@includedir = \
$(libgstvaapi_includedir)
libgstvaapi_glx_@GST_MAJORMINOR@_la_CFLAGS = \
-I$(top_srcdir)/gst-libs \
$(GLIB_CFLAGS) \
$(GST_BASE_CFLAGS) \
$(LIBVA_GLX_CFLAGS) \
$(NULL)
libgstvaapi_glx_@GST_MAJORMINOR@_la_LIBADD = \
$(GLIB_LIBS) \
$(LIBVA_GLX_LIBS) \
libgstvaapi-x11-@GST_MAJORMINOR@.la \
$(NULL)
# Extra clean files so that maintainer-clean removes *everything*
MAINTAINERCLEANFILES = Makefile.in

99
gst-libs/gst/vaapi/gstvaapidisplay_glx.c Normal file
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@ -0,0 +1,99 @@
/*
* gstvaapidisplay_glx.c - VA/GLX display abstraction
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* SECTION:gstvaapidisplay_glx
* @short_description: VA/GLX display abstraction
*/
#include "config.h"
#include "gstvaapiutils.h"
#include "gstvaapidisplay_glx.h"
#define DEBUG 1
#include "gstvaapidebug.h"
G_DEFINE_TYPE(GstVaapiDisplayGLX,
gst_vaapi_display_glx,
GST_VAAPI_TYPE_DISPLAY_X11);
static void
gst_vaapi_display_glx_finalize(GObject *object)
{
G_OBJECT_CLASS(gst_vaapi_display_glx_parent_class)->finalize(object);
}
static VADisplay
gst_vaapi_display_glx_get_va_display(GstVaapiDisplay *display)
{
return vaGetDisplayGLX(GST_VAAPI_DISPLAY_XDISPLAY(display));
}
static void
gst_vaapi_display_glx_class_init(GstVaapiDisplayGLXClass *klass)
{
GObjectClass * const object_class = G_OBJECT_CLASS(klass);
GstVaapiDisplayClass * const dpy_class = GST_VAAPI_DISPLAY_CLASS(klass);
object_class->finalize = gst_vaapi_display_glx_finalize;
dpy_class->get_display = gst_vaapi_display_glx_get_va_display;
}
static void
gst_vaapi_display_glx_init(GstVaapiDisplayGLX *display)
{
}
/**
* gst_vaapi_display_glx_new:
* @display_name: the X11 display name
*
* Opens an X11 #Display using @display_name and returns a newly
* allocated #GstVaapiDisplay object. The X11 display will be cloed
* when the reference count of the object reaches zero.
*
* Return value: a newly allocated #GstVaapiDisplay object
*/
GstVaapiDisplay *
gst_vaapi_display_glx_new(const gchar *display_name)
{
return g_object_new(GST_VAAPI_TYPE_DISPLAY_GLX,
"display-name", display_name,
NULL);
}
/**
* gst_vaapi_display_glx_new_with_display:
* @x11_display: an X11 #Display
*
* Creates a #GstVaapiDisplay based on the X11 @x11_display
* display. The caller still owns the display and must call
* XCloseDisplay() when all #GstVaapiDisplay references are
* released. Doing so too early can yield undefined behaviour.
*
* Return value: a newly allocated #GstVaapiDisplay object
*/
GstVaapiDisplay *
gst_vaapi_display_glx_new_with_display(Display *x11_display)
{
return g_object_new(GST_VAAPI_TYPE_DISPLAY_GLX,
"x11-display", x11_display,
NULL);
}

90
gst-libs/gst/vaapi/gstvaapidisplay_glx.h Normal file
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@ -0,0 +1,90 @@
/*
* gstvaapidisplay_glx.h - VA/GLX display abstraction
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef GST_VAAPI_DISPLAY_GLX_H
#define GST_VAAPI_DISPLAY_GLX_H
#include <GL/gl.h>
#include <GL/glx.h>
#include <va/va_glx.h>
#include <gst/vaapi/gstvaapidisplay_x11.h>
G_BEGIN_DECLS
#define GST_VAAPI_TYPE_DISPLAY_GLX \
(gst_vaapi_display_glx_get_type())
#define GST_VAAPI_DISPLAY_GLX(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_VAAPI_TYPE_DISPLAY_GLX, \
GstVaapiDisplayGLX))
#define GST_VAAPI_DISPLAY_GLX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_VAAPI_TYPE_DISPLAY_GLX, \
GstVaapiDisplayGLXClass))
#define GST_VAAPI_IS_DISPLAY_GLX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_DISPLAY_GLX))
#define GST_VAAPI_IS_DISPLAY_GLX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_DISPLAY_GLX))
#define GST_VAAPI_DISPLAY_GLX_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GST_VAAPI_TYPE_DISPLAY_GLX, \
GstVaapiDisplayGLXClass))
typedef struct _GstVaapiDisplayGLX GstVaapiDisplayGLX;
typedef struct _GstVaapiDisplayGLXClass GstVaapiDisplayGLXClass;
/**
* GstVaapiDisplayGLX:
*
* VA/GLX display wrapper.
*/
struct _GstVaapiDisplayGLX {
/*< private >*/
GstVaapiDisplayX11 parent_instance;
};
/**
* GstVaapiDisplayGLXClass:
*
* VA/GLX display wrapper clas.
*/
struct _GstVaapiDisplayGLXClass {
/*< private >*/
GstVaapiDisplayX11Class parent_class;
};
GType
gst_vaapi_display_glx_get_type(void);
GstVaapiDisplay *
gst_vaapi_display_glx_new(const gchar *display_name);
GstVaapiDisplay *
gst_vaapi_display_glx_new_with_display(Display *x11_display);
G_END_DECLS
#endif /* GST_VAAPI_DISPLAY_GLX_H */

183
gst-libs/gst/vaapi/gstvaapiutils_glx.c Normal file
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@ -0,0 +1,183 @@
/*
* gstvaapiutils_glx.c - GLX utilties
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "gstvaapiutils_glx.h"
#define DEBUG 1
#include "gstvaapidebug.h"
/**
* gl_get_error_string:
* @error: an OpenGL error enumeration
*
* Retrieves the string representation the OpenGL @error.
*
* Return error: the static string representing the OpenGL @error
*/
const char *
gl_get_error_string(GLenum error)
{
static const struct {
GLenum val;
const char *str;
}
gl_errors[] = {
{ GL_NO_ERROR, "no error" },
{ GL_INVALID_ENUM, "invalid enumerant" },
{ GL_INVALID_VALUE, "invalid value" },
{ GL_INVALID_OPERATION, "invalid operation" },
{ GL_STACK_OVERFLOW, "stack overflow" },
{ GL_STACK_UNDERFLOW, "stack underflow" },
{ GL_OUT_OF_MEMORY, "out of memory" },
#ifdef GL_INVALID_FRAMEBUFFER_OPERATION_EXT
{ GL_INVALID_FRAMEBUFFER_OPERATION_EXT, "invalid framebuffer operation" },
#endif
{ ~0, NULL }
};
guint i;
for (i = 0; gl_errors[i].str; i++) {
if (gl_errors[i].val == error)
return gl_errors[i].str;
}
return "unknown";
}
/**
* gl_purge_errors:
*
* Purges all OpenGL errors. This function is generally useful to
* clear up the pending errors prior to calling gl_check_error().
*/
void
gl_purge_errors(void)
{
while (glGetError() != GL_NO_ERROR)
; /* nothing */
}
/**
* gl_check_error:
*
* Checks whether there is any OpenGL error pending.
*
* Return value: %TRUE if an error was encountered
*/
gboolean
gl_check_error(void)
{
GLenum error;
gboolean has_errors = FALSE;
while ((error = glGetError()) != GL_NO_ERROR) {
GST_DEBUG("glError: %s caught", gl_get_error_string(error));
has_errors = TRUE;
}
return has_errors;
}
/**
* gl_get_param:
* @param: the parameter name
* @pval: return location for the value
*
* This function is a wrapper around glGetIntegerv() that does extra
* error checking.
*
* Return value: %TRUE on success
*/
gboolean
gl_get_param(GLenum param, guint *pval)
{
GLint val;
gl_purge_errors();
glGetIntegerv(param, &val);
if (gl_check_error())
return FALSE;
if (pval)
*pval = val;
return TRUE;
}
/**
* gl_get_param:
* @param: the parameter name
* @pval: return location for the value
*
* This function is a wrapper around glGetTexLevelParameteriv() that
* does extra error checking.
*
* Return value: %TRUE on success
*/
gboolean
gl_get_texture_param(GLenum param, guint *pval)
{
GLint val;
gl_purge_errors();
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, param, &val);
if (gl_check_error())
return FALSE;
if (pval)
*pval = val;
return TRUE;
}
/**
* gl_set_bgcolor:
* @color: the requested RGB color
*
* Sets background color to the RGB @color. This basically is a
* wrapper around glClearColor().
*/
void
gl_set_bgcolor(guint32 color)
{
glClearColor(
((color >> 16) & 0xff) / 255.0f,
((color >> 8) & 0xff) / 255.0f,
( color & 0xff) / 255.0f,
1.0f
);
}
/**
* gl_resize:
* @width: the requested width, in pixels
* @height: the requested height, in pixels
*
* Resizes the OpenGL viewport to the specified dimensions, using an
* orthogonal projection. (0,0) represents the top-left corner of the
* window.
*/
void
gl_resize(guint width, guint height)
{
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, width, height, 0, -1, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}

57
gst-libs/gst/vaapi/gstvaapiutils_glx.h Normal file
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@ -0,0 +1,57 @@
/*
* gstvaapiutils_glx.h - GLX utilties
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef GST_VAAPI_UTILS_GLX_H
#define GST_VAAPI_UTILS_GLX_H
#include "config.h"
#include <GL/gl.h>
#include <GL/glx.h>
#include <glib/gtypes.h>
const char *
gl_get_error_string(GLenum error)
attribute_hidden;
void
gl_purge_errors(void)
attribute_hidden;
gboolean
gl_check_error(void)
attribute_hidden;
gboolean
gl_get_param(GLenum param, guint *pval)
attribute_hidden;
gboolean
gl_get_texture_param(GLenum param, guint *pval)
attribute_hidden;
void
gl_set_bgcolor(guint32 color)
attribute_hidden;
void
gl_resize(guint width, guint height)
attribute_hidden;
#endif /* GST_VAAPI_UTILS_GLX_H */

488
gst-libs/gst/vaapi/gstvaapiwindow_glx.c Normal file
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@ -0,0 +1,488 @@
/*
* gstvaapiwindow_glx.c - VA/GLX window abstraction
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* SECTION:gstvaapiwindow_glx
* @short_description: VA/GLX window abstraction
*/
#include "config.h"
#include "gstvaapiwindow_glx.h"
#include "gstvaapidisplay_x11.h"
#include "gstvaapiutils_x11.h"
#include "gstvaapiutils_glx.h"
#include "gstvaapiobject_priv.h"
#define DEBUG 1
#include "gstvaapidebug.h"
G_DEFINE_TYPE(GstVaapiWindowGLX,
gst_vaapi_window_glx,
GST_VAAPI_TYPE_WINDOW_X11);
#define GST_VAAPI_WINDOW_GLX_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE((obj), \
GST_VAAPI_TYPE_WINDOW_GLX, \
GstVaapiWindowGLXPrivate))
struct _GstVaapiWindowGLXPrivate {
XVisualInfo *vi;
XVisualInfo vi_static;
Colormap cmap;
GLXContext context;
guint foreign_context : 1;
guint foreign_window : 1;
};
enum {
PROP_0,
PROP_GLX_CONTEXT
};
static XVisualInfo *
gst_vaapi_window_glx_create_visual(GstVaapiWindowGLX *window);
static inline void
_gst_vaapi_window_glx_set_context(
GstVaapiWindowGLX *window,
GLXContext context,
gboolean is_foreign
)
{
GstVaapiWindowGLXPrivate * const priv = window->priv;
priv->context = context;
priv->foreign_context = is_foreign;
}
static void
gst_vaapi_window_glx_destroy_context(GstVaapiWindowGLX *window)
{
GstVaapiWindowGLXPrivate * const priv = window->priv;
Display * const dpy = GST_VAAPI_OBJECT_XDISPLAY(window);
if (priv->context) {
if (!priv->foreign_context) {
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
if (glXGetCurrentContext() == priv->context)
glXMakeCurrent(dpy, None, NULL);
glXDestroyContext(dpy, priv->context);
GST_VAAPI_OBJECT_UNLOCK_DISPLAY(window);
}
priv->context = NULL;
priv->foreign_context = FALSE;
}
}
static gboolean
gst_vaapi_window_glx_create_context(GstVaapiWindowGLX *window)
{
GstVaapiWindowGLXPrivate * const priv = window->priv;
Display * const dpy = GST_VAAPI_OBJECT_XDISPLAY(window);
GLXContext ctx = NULL;
guint width, height;
gboolean has_errors = TRUE;
if (!gst_vaapi_window_glx_create_visual(window))
return FALSE;
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
ctx = glXCreateContext(dpy, priv->vi, NULL, True);
if (ctx && glXIsDirect(dpy, ctx)) {
_gst_vaapi_window_glx_set_context(window, ctx, FALSE);
if (glXMakeCurrent(dpy, GST_VAAPI_OBJECT_ID(window), ctx)) {
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
glDisable(GL_CULL_FACE);
glDrawBuffer(GL_BACK);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
gst_vaapi_window_get_size(GST_VAAPI_WINDOW(window), &width, &height);
gl_resize(width, height);
gl_set_bgcolor(0);
glClear(GL_COLOR_BUFFER_BIT);
has_errors = FALSE;
}
}
else if (ctx)
glXDestroyContext(dpy, ctx);
GST_VAAPI_OBJECT_UNLOCK_DISPLAY(window);
return !has_errors;
}
static inline void
gst_vaapi_window_glx_destroy_visual(GstVaapiWindowGLX *window)
{
GstVaapiWindowGLXPrivate * const priv = window->priv;
if (priv->vi) {
if (priv->vi != &priv->vi_static)
XFree(priv->vi);
priv->vi = NULL;
}
}
static XVisualInfo *
gst_vaapi_window_glx_create_visual(GstVaapiWindowGLX *window)
{
GstVaapiWindowGLXPrivate * const priv = window->priv;
Display * const dpy = GST_VAAPI_OBJECT_XDISPLAY(window);
XWindowAttributes wattr;
int screen;
gboolean has_errors;
/* XXX: add and use a GstVaapiWindow:double-buffer property? */
static GLint gl_visual_attr[] = {
GLX_RGBA,
GLX_RED_SIZE, 1,
GLX_GREEN_SIZE, 1,
GLX_BLUE_SIZE, 1,
GLX_DOUBLEBUFFER,
GL_NONE
};
if (!priv->vi) {
/* XXX: add and use a GstVaapiDisplayX11:x11-screen property? */
screen = DefaultScreen(dpy);
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
x11_trap_errors();
if (!priv->foreign_window)
priv->vi = glXChooseVisual(dpy, screen, gl_visual_attr);
else {
XGetWindowAttributes(dpy, GST_VAAPI_OBJECT_ID(window), &wattr);
if (XMatchVisualInfo(dpy, screen, wattr.depth, wattr.visual->class,
&priv->vi_static))
priv->vi = &priv->vi_static;
}
has_errors = x11_untrap_errors() != 0;
GST_VAAPI_OBJECT_UNLOCK_DISPLAY(window);
if (has_errors)
return NULL;
}
return priv->vi;
}
static Visual *
gst_vaapi_window_glx_get_visual(GstVaapiWindow *window)
{
XVisualInfo *vi;
vi = gst_vaapi_window_glx_create_visual(GST_VAAPI_WINDOW_GLX(window));
if (!vi)
return NULL;
return vi->visual;
}
static void
gst_vaapi_window_glx_destroy_colormap(GstVaapiWindowGLX *window)
{
GstVaapiWindowGLXPrivate * const priv = window->priv;
Display * const dpy = GST_VAAPI_OBJECT_XDISPLAY(window);
if (priv->cmap) {
if (!priv->foreign_window) {
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
XFreeColormap(dpy, priv->cmap);
GST_VAAPI_OBJECT_UNLOCK_DISPLAY(window);
}
priv->cmap = None;
}
}
static Colormap
gst_vaapi_window_glx_create_colormap(GstVaapiWindowGLX *window)
{
GstVaapiWindowGLXPrivate * const priv = window->priv;
Display * const dpy = GST_VAAPI_OBJECT_XDISPLAY(window);
int screen;
XWindowAttributes wattr;
XVisualInfo *vi;
gboolean has_errors;
if (!priv->cmap) {
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
x11_trap_errors();
if (!priv->foreign_window) {
vi = gst_vaapi_window_glx_create_visual(window);
if (vi) {
/* XXX: add a GstVaapiDisplayX11:x11-screen property? */
screen = DefaultScreen(dpy);
priv->cmap = XCreateColormap(
dpy,
RootWindow(dpy, screen),
vi->visual,
AllocNone
);
}
}
else {
XGetWindowAttributes(dpy, GST_VAAPI_OBJECT_ID(window), &wattr);
priv->cmap = wattr.colormap;
}
has_errors = x11_untrap_errors() != 0;
GST_VAAPI_OBJECT_UNLOCK_DISPLAY(window);
if (has_errors)
return None;
}
return priv->cmap;
}
static Colormap
gst_vaapi_window_glx_get_colormap(GstVaapiWindow *window)
{
return gst_vaapi_window_glx_create_colormap(GST_VAAPI_WINDOW_GLX(window));
}
static void
gst_vaapi_window_glx_finalize(GObject *object)
{
GstVaapiWindowGLX * const window = GST_VAAPI_WINDOW_GLX(object);
gst_vaapi_window_glx_destroy_context(window);
gst_vaapi_window_glx_destroy_visual(window);
gst_vaapi_window_glx_destroy_colormap(window);
G_OBJECT_CLASS(gst_vaapi_window_glx_parent_class)->finalize(object);
}
static void
gst_vaapi_window_glx_set_property(
GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec
)
{
GstVaapiWindowGLX * const window = GST_VAAPI_WINDOW_GLX(object);
switch (prop_id) {
case PROP_GLX_CONTEXT:
gst_vaapi_window_glx_set_context(window, g_value_get_pointer(value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
gst_vaapi_window_glx_get_property(
GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec
)
{
GstVaapiWindowGLX * const window = GST_VAAPI_WINDOW_GLX(object);
switch (prop_id) {
case PROP_GLX_CONTEXT:
g_value_set_pointer(value, gst_vaapi_window_glx_get_context(window));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
gst_vaapi_window_glx_constructed(GObject *object)
{
GstVaapiWindowGLXPrivate * const priv = GST_VAAPI_WINDOW_GLX(object)->priv;
GObjectClass *parent_class;
priv->foreign_context = priv->context != NULL;
parent_class = G_OBJECT_CLASS(gst_vaapi_window_glx_parent_class);
if (parent_class->constructed)
parent_class->constructed(object);
priv->foreign_window =
gst_vaapi_window_x11_is_foreign_xid(GST_VAAPI_WINDOW_X11(object));
if (!priv->foreign_context)
gst_vaapi_window_glx_create_context(GST_VAAPI_WINDOW_GLX(object));
}
static void
gst_vaapi_window_glx_class_init(GstVaapiWindowGLXClass *klass)
{
GObjectClass * const object_class = G_OBJECT_CLASS(klass);
GstVaapiWindowX11Class * const xwin_class = GST_VAAPI_WINDOW_X11_CLASS(klass);
g_type_class_add_private(klass, sizeof(GstVaapiWindowGLXPrivate));
object_class->finalize = gst_vaapi_window_glx_finalize;
object_class->set_property = gst_vaapi_window_glx_set_property;
object_class->get_property = gst_vaapi_window_glx_get_property;
object_class->constructed = gst_vaapi_window_glx_constructed;
xwin_class->get_visual = gst_vaapi_window_glx_get_visual;
xwin_class->get_colormap = gst_vaapi_window_glx_get_colormap;
/**
* GstVaapiDisplayGLX:glx-context:
*
* The GLX context that was created by gst_vaapi_window_glx_new()
* or that was bound from gst_vaapi_window_glx_set_context().
*/
g_object_class_install_property
(object_class,
PROP_GLX_CONTEXT,
g_param_spec_pointer("glx-context",
"GLX context",
"GLX context",
G_PARAM_READWRITE));
}
static void
gst_vaapi_window_glx_init(GstVaapiWindowGLX *window)
{
GstVaapiWindowGLXPrivate *priv = GST_VAAPI_WINDOW_GLX_GET_PRIVATE(window);
window->priv = priv;
priv->vi = NULL;
priv->cmap = None;
priv->context = NULL;
priv->foreign_context = FALSE;
}
/**
* gst_vaapi_window_glx_new:
* @display: a #GstVaapiDisplay
* @width: the requested window width, in pixels
* @height: the requested windo height, in pixels
*
* Creates a window with the specified @width and @height. The window
* will be attached to the @display and remains invisible to the user
* until gst_vaapi_window_show() is called.
*
* Return value: the newly allocated #GstVaapiWindow object
*/
GstVaapiWindow *
gst_vaapi_window_glx_new(GstVaapiDisplay *display, guint width, guint height)
{
g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
g_return_val_if_fail(width > 0, NULL);
g_return_val_if_fail(height > 0, NULL);
return g_object_new(GST_VAAPI_TYPE_WINDOW_GLX,
"display", display,
"id", GST_VAAPI_ID(None),
"width", width,
"height", height,
NULL);
}
/**
* gst_vaapi_window_glx_new_with_xid:
* @display: a #GstVaapiDisplay
* @xid: an X11 #Window id
*
* Creates a #GstVaapiWindow using the X11 #Window @xid. The caller
* still owns the window and must call XDestroyWindow() when all
* #GstVaapiWindow references are released. Doing so too early can
* yield undefined behaviour.
*
* Return value: the newly allocated #GstVaapiWindow object
*/
GstVaapiWindow *
gst_vaapi_window_glx_new_with_xid(GstVaapiDisplay *display, Window xid)
{
GST_DEBUG("new window from xid 0x%08x", xid);
g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
g_return_val_if_fail(xid != None, NULL);
return g_object_new(GST_VAAPI_TYPE_WINDOW_GLX,
"display", display,
"id", GST_VAAPI_ID(xid),
NULL);
}
/**
* gst_vaapi_window_glx_get_context:
* @window: a #GstVaapiWindow
*
* Returns the #GLXContext bound to the @window.
*
* Return value: the #GLXContext bound to the @window
*/
GLXContext
gst_vaapi_window_glx_get_context(GstVaapiWindowGLX *window)
{
g_return_val_if_fail(GST_VAAPI_IS_WINDOW_GLX(window), NULL);
return window->priv->context;
}
/**
* gst_vaapi_window_glx_set_context:
* @window: a #GstVaapiWindow
* @ctx: a GLX context
*
* Binds GLX context @ctx to @window. If @ctx is non %NULL, the caller
* is responsible to making sure it has compatible visual with that of
* the underlying X window. If @ctx is %NULL, a new context is created
* and the @window owns it.
*
* Return value: %TRUE on success
*/
gboolean
gst_vaapi_window_glx_set_context(GstVaapiWindowGLX *window, GLXContext ctx)
{
g_return_val_if_fail(GST_VAAPI_IS_WINDOW_GLX(window), FALSE);
gst_vaapi_window_glx_destroy_context(window);
if (ctx) {
_gst_vaapi_window_glx_set_context(window, ctx, TRUE);
return TRUE;
}
return gst_vaapi_window_glx_create_context(window);
}
/**
* gst_vaapi_window_glx_swap_buffers:
* @window: a #GstVaapiWindowGLX
*
* Promotes the contents of the back buffer of @window to become the
* contents of the front buffer of @window. This simply is wrapper
* around glXSwapBuffers().
*/
void
gst_vaapi_window_glx_swap_buffers(GstVaapiWindowGLX *window)
{
g_return_if_fail(GST_VAAPI_IS_WINDOW_GLX(window));
glXSwapBuffers(
GST_VAAPI_OBJECT_XDISPLAY(window),
GST_VAAPI_OBJECT_ID(window)
);
glClear(GL_COLOR_BUFFER_BIT);
}

100
gst-libs/gst/vaapi/gstvaapiwindow_glx.h Normal file
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@ -0,0 +1,100 @@
/*
* gstvaapiwindow_glx.h - VA/GLX window abstraction
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef GST_VAAPI_WINDOW_GLX_H
#define GST_VAAPI_WINDOW_GLX_H
#include <GL/glx.h>
#include <gst/vaapi/gstvaapidisplay.h>
#include <gst/vaapi/gstvaapiwindow_x11.h>
G_BEGIN_DECLS
#define GST_VAAPI_TYPE_WINDOW_GLX \
(gst_vaapi_window_glx_get_type())
#define GST_VAAPI_WINDOW_GLX(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_VAAPI_TYPE_WINDOW_GLX, \
GstVaapiWindowGLX))
#define GST_VAAPI_WINDOW_GLX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_VAAPI_TYPE_WINDOW_GLX, \
GstVaapiWindowGLXClass))
#define GST_VAAPI_IS_WINDOW_GLX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_WINDOW_GLX))
#define GST_VAAPI_IS_WINDOW_GLX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_WINDOW_GLX))
#define GST_VAAPI_WINDOW_GLX_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GST_VAAPI_TYPE_WINDOW_GLX, \
GstVaapiWindowGLXClass))
typedef struct _GstVaapiWindowGLX GstVaapiWindowGLX;
typedef struct _GstVaapiWindowGLXPrivate GstVaapiWindowGLXPrivate;
typedef struct _GstVaapiWindowGLXClass GstVaapiWindowGLXClass;
/**
* GstVaapiWindowGLX:
*
* An X11 #Window suitable for GLX rendering.
*/
struct _GstVaapiWindowGLX {
/*< private >*/
GstVaapiWindowX11 parent_instance;
GstVaapiWindowGLXPrivate *priv;
};
/**
* GstVaapiWindowGLXClass:
*
* An X11 #Window suitable for GLX rendering.
*/
struct _GstVaapiWindowGLXClass {
/*< private >*/
GstVaapiWindowX11Class parent_class;
};
GType
gst_vaapi_window_glx_get_type(void);
GstVaapiWindow *
gst_vaapi_window_glx_new(GstVaapiDisplay *display, guint width, guint height);
GstVaapiWindow *
gst_vaapi_window_glx_new_with_xid(GstVaapiDisplay *display, Window xid);
GLXContext
gst_vaapi_window_glx_get_context(GstVaapiWindowGLX *window);
gboolean
gst_vaapi_window_glx_set_context(GstVaapiWindowGLX *window, GLXContext ctx);
void
gst_vaapi_window_glx_swap_buffers(GstVaapiWindowGLX *window);
G_END_DECLS
#endif /* GST_VAAPI_WINDOW_GLX_H */

16
pkgconfig/Makefile.am
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@ -1,21 +1,21 @@
AUTOMAKE_OPTIONS = -Wno-portability
pcfiles_in = gstreamer-vaapi.pc.in
pcfiles_in += gstreamer-vaapi-x11.pc.in
if USE_GLX
pcfiles_in += gstreamer-vaapi-glx.pc.in
endif
pcfiles = gstreamer-vaapi-@GST_MAJORMINOR@.pc
pcfiles += gstreamer-vaapi-x11-@GST_MAJORMINOR@.pc
pcfiles = $(pcfiles_in:%.pc.in=%-@GST_MAJORMINOR@.pc)
pkgconfigdir = @pkgconfigdir@
pkgconfig_DATA = $(pcfiles)
EXTRA_DIST = \
gstreamer-vaapi.pc.in \
gstreamer-vaapi-glx.pc.in \
gstreamer-vaapi-x11.pc.in \
$(NULL)
CLEANFILES = $(pcfiles)
# XXX: this is a GNU make extension
%-@GST_MAJORMINOR@.pc: %.pc
cp $< $@
DISTCLEANFILES = $(pcfiles)
# Extra clean files so that maintainer-clean removes *everything*
MAINTAINERCLEANFILES = Makefile.in

12
pkgconfig/gstreamer-vaapi-glx.pc.in Normal file
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@ -0,0 +1,12 @@
prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@/gstreamer-@GST_MAJORMINOR@
pluginsdir=@libdir@/gstreamer-@GST_MAJORMINOR@
Name: GStreamer VA-API (glx) Plugins Libraries
Description: Streaming media framework, VA-API (glx) plugins libraries
Requires: gstreamer-vaapi-@GST_MAJORMINOR@ @LIBVA_GLX_PKGNAME@
Version: @VERSION@
Libs: -L${libdir} -lgstvaapi-glx-@GST_MAJORMINOR@ @LIBVA_EXTRA_LIBS@
Cflags: -I${includedir} @LIBVA_EXTRA_CFLAGS@

21
tests/Makefile.am
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@ -4,26 +4,39 @@ noinst_PROGRAMS = \
test-windows \
$(NULL)
noinst_PROGRAMS += \
test-textures \
$(NULL)
TEST_CFLAGS = \
$(GST_CFLAGS) \
-I$(top_srcdir)/gst-libs \
$(X11_CFLAGS)
TEST_LIBS = \
$(top_builddir)/gst-libs/gst/vaapi/libgstvaapi-x11-@GST_MAJORMINOR@.la \
$(X11_LIBS)
TEST_GLX_LIBS = \
$(top_builddir)/gst-libs/gst/vaapi/libgstvaapi-glx-@GST_MAJORMINOR@.la
TEST_X11_LIBS = \
$(top_builddir)/gst-libs/gst/vaapi/libgstvaapi-x11-@GST_MAJORMINOR@.la
test_display_SOURCES = test-display.c
test_display_CFLAGS = $(TEST_CFLAGS)
test_display_LDADD = $(TEST_LIBS)
test_display_LDADD = $(TEST_LIBS) $(TEST_X11_LIBS)
test_surfaces_SOURCES = test-surfaces.c
test_surfaces_CFLAGS = $(TEST_CFLAGS)
test_surfaces_LDADD = $(TEST_LIBS)
test_surfaces_LDADD = $(TEST_LIBS) $(TEST_X11_LIBS)
test_windows_SOURCES = test-windows.c
test_windows_CFLAGS = $(TEST_CFLAGS)
test_windows_LDADD = $(TEST_LIBS)
test_windows_LDADD = $(TEST_LIBS) $(TEST_X11_LIBS)
test_textures_SOURCES = test-textures.c
test_textures_CFLAGS = $(TEST_CFLAGS)
test_textures_LDADD = $(TEST_LIBS) $(TEST_GLX_LIBS)
# Extra clean files so that maintainer-clean removes *everything*
MAINTAINERCLEANFILES = Makefile.in

141
tests/test-textures.c Normal file
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@ -0,0 +1,141 @@
/*
* test-textures.c - Test GstVaapiTexture
*
* gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <gst/vaapi/gstvaapidisplay_glx.h>
#include <gst/vaapi/gstvaapiwindow_glx.h>
static inline void pause(void)
{
g_print("Press any key to continue...\n");
getchar();
}
static void
print_caps(GstCaps *caps, const gchar *name)
{
guint i, n_caps = gst_caps_get_size(caps);
g_print("%u %s caps\n", n_caps, name);
for (i = 0; i < gst_caps_get_size(caps); i++) {
GstStructure * const structure = gst_caps_get_structure(caps, i);
if (!structure)
g_error("could not get caps structure %d", i);
g_print(" %s:", gst_structure_get_name(structure));
if (gst_structure_has_name(structure, "video/x-raw-yuv")) {
guint32 fourcc;
gst_structure_get_fourcc(structure, "format", &fourcc);
g_print(" fourcc '%c%c%c%c'",
fourcc & 0xff,
(fourcc >> 8) & 0xff,
(fourcc >> 16) & 0xff,
(fourcc >> 24) & 0xff);
}
else {
gint bpp, endian, rmask, gmask, bmask, amask;
gboolean has_alpha;
gst_structure_get_int(structure, "bpp", &bpp);
gst_structure_get_int(structure, "endianness", &endian);
gst_structure_get_int(structure, "red_mask", &rmask);
gst_structure_get_int(structure, "blue_mask", &bmask);
gst_structure_get_int(structure, "green_mask", &gmask);
has_alpha = gst_structure_get_int(structure, "alpha_mask", &amask);
g_print(" %d bits per pixel, %s endian,",
bpp, endian == G_BIG_ENDIAN ? "big" : "little");
g_print(" %s masks", has_alpha ? "rgba" : "rgb");
g_print(" 0x%08x 0x%08x 0x%08x", rmask, gmask, bmask);
if (has_alpha)
g_print(" 0x%08x", amask);
}
g_print("\n");
}
}
static void
dump_caps(GstVaapiDisplay *display)
{
GstCaps *caps;
caps = gst_vaapi_display_get_image_caps(display);
if (!caps)
g_error("could not get VA image caps");
print_caps(caps, "image");
gst_caps_unref(caps);
caps = gst_vaapi_display_get_subpicture_caps(display);
if (!caps)
g_error("could not get VA subpicture caps");
print_caps(caps, "subpicture");
gst_caps_unref(caps);
}
int
main(int argc, char *argv[])
{
GstVaapiDisplay *display;
GstVaapiWindow *window;
GstVaapiWindowGLX *glx_window;
GLXContext glx_context;
Display *x11_display;
Window x11_window;
static const GstVaapiChromaType chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
static const guint width = 320;
static const guint height = 240;
static const guint win_width = 640;
static const guint win_height = 480;
gst_init(&argc, &argv);
display = gst_vaapi_display_glx_new(NULL);
if (!display)
g_error("could not create Gst/VA display");
dump_caps(display);
window = gst_vaapi_window_glx_new(display, win_width, win_height);
if (!window)
g_error("could not create window");
gst_vaapi_window_show(window);
glx_window = GST_VAAPI_WINDOW_GLX(window);
glx_context = gst_vaapi_window_glx_get_context(glx_window);
x11_display = gst_vaapi_display_x11_get_display(GST_VAAPI_DISPLAY_X11(display));
x11_window = gst_vaapi_object_get_id(GST_VAAPI_OBJECT(window));
if (!glXMakeCurrent(x11_display, x11_window, glx_context))
g_error("could not make VA/GLX window context current");
pause();
g_object_unref(window);
g_object_unref(display);
gst_deinit();
return 0;
}