mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-31 20:48:56 +00:00
moved ximagesrc to good
Original commit message from CVS: moved ximagesrc to good
This commit is contained in:
parent
b0ba6af066
commit
161d53e6da
16 changed files with 147 additions and 1806 deletions
19
ChangeLog
19
ChangeLog
|
@ -1,3 +1,22 @@
|
||||||
|
2006-04-28 Thomas Vander Stichele <thomas at apestaart dot org>
|
||||||
|
|
||||||
|
* configure.ac:
|
||||||
|
* docs/plugins/gst-plugins-bad-plugins-decl-list.txt:
|
||||||
|
* docs/plugins/gst-plugins-bad-plugins-decl.txt:
|
||||||
|
* docs/plugins/gst-plugins-bad-plugins-docs.sgml:
|
||||||
|
* docs/plugins/gst-plugins-bad-plugins-undocumented.txt:
|
||||||
|
* sys/Makefile.am:
|
||||||
|
* sys/ximagesrc/Makefile.am:
|
||||||
|
* sys/ximagesrc/ximagesrc.c:
|
||||||
|
* sys/ximagesrc/ximagesrc.h:
|
||||||
|
* sys/ximagesrc/ximageutil.c:
|
||||||
|
* sys/ximagesrc/ximageutil.h:
|
||||||
|
* tests/Makefile.am:
|
||||||
|
* tests/icles/.cvsignore:
|
||||||
|
* tests/icles/Makefile.am:
|
||||||
|
* tests/icles/ximagesrc-test.c:
|
||||||
|
moved ximagesrc to good (See #336756)
|
||||||
|
|
||||||
2006-04-28 Tim-Philipp Müller <tim at centricular dot net>
|
2006-04-28 Tim-Philipp Müller <tim at centricular dot net>
|
||||||
|
|
||||||
* ext/faad/gstfaad.c: (gst_faad_init), (aac_rate_idx),
|
* ext/faad/gstfaad.c: (gst_faad_init), (aac_rate_idx),
|
||||||
|
|
76
configure.ac
76
configure.ac
|
@ -204,81 +204,6 @@ GST_CHECK_FEATURE(OPENGL, [Open GL], glsink, [
|
||||||
CPPFLAGS="$save_CPPFLAGS"
|
CPPFLAGS="$save_CPPFLAGS"
|
||||||
LIBS="$save_LIBS"
|
LIBS="$save_LIBS"
|
||||||
|
|
||||||
|
|
||||||
dnl Check for X11
|
|
||||||
translit(dnm, m, l) AM_CONDITIONAL(USE_X, true)
|
|
||||||
GST_CHECK_FEATURE(X, [X libraries and plugins],
|
|
||||||
[ximagesrc], [
|
|
||||||
AC_PATH_XTRA
|
|
||||||
|
|
||||||
dnl now try to find the HEADER
|
|
||||||
ac_cflags_save="$CFLAGS"
|
|
||||||
ac_cppflags_save="$CPPFLAGS"
|
|
||||||
CFLAGS="$CFLAGS $X_CFLAGS"
|
|
||||||
CPPFLAGS="$CPPFLAGS $X_CFLAGS"
|
|
||||||
AC_CHECK_HEADER(X11/Xlib.h, HAVE_X="yes", HAVE_X="no")
|
|
||||||
|
|
||||||
if test "x$HAVE_X" = "xno"
|
|
||||||
then
|
|
||||||
AC_MSG_NOTICE([cannot find X11 development files])
|
|
||||||
else
|
|
||||||
dnl this is much more than we want
|
|
||||||
X_LIBS="$X_LIBS $X_PRE_LIBS $X_EXTRA_LIBS"
|
|
||||||
dnl AC_PATH_XTRA only defines the path needed to find the X libs,
|
|
||||||
dnl it does not add the libs; therefore we add them here
|
|
||||||
X_LIBS="$X_LIBS -lX11"
|
|
||||||
AC_SUBST(X_CFLAGS)
|
|
||||||
AC_SUBST(X_LIBS)
|
|
||||||
|
|
||||||
dnl check for Xfixes
|
|
||||||
PKG_CHECK_MODULES(XFIXES, xfixes, HAVE_XFIXES="yes", HAVE_XFIXES="no")
|
|
||||||
if test "x$HAVE_XFIXES" = "xyes"
|
|
||||||
then
|
|
||||||
XFIXES_CFLAGS="-DHAVE_XFIXES $XFIXES_CFLAGS"
|
|
||||||
fi
|
|
||||||
AC_SUBST(XFIXES_LIBS)
|
|
||||||
AC_SUBST(XFIXES_CFLAGS)
|
|
||||||
|
|
||||||
dnl check for Xdamage
|
|
||||||
PKG_CHECK_MODULES(XDAMAGE, xdamage, HAVE_XDAMAGE="yes", HAVE_XDAMAGE="no")
|
|
||||||
if test "x$HAVE_XDAMAGE" = "xyes"
|
|
||||||
then
|
|
||||||
XDAMAGE_CFLAGS="-DHAVE_XDAMAGE $XDAMAGE_CFLAGS"
|
|
||||||
fi
|
|
||||||
AC_SUBST(XDAMAGE_LIBS)
|
|
||||||
AC_SUBST(XDAMAGE_CFLAGS)
|
|
||||||
fi
|
|
||||||
AC_SUBST(HAVE_X)
|
|
||||||
CFLAGS="$ac_cflags_save"
|
|
||||||
CPPFLAGS="$ac_cppflags_save"
|
|
||||||
])
|
|
||||||
|
|
||||||
dnl FIXME: this should be rolled into the test above, it's just an additional
|
|
||||||
dnl feature of the ximagesrc plug-in
|
|
||||||
dnl check for X Shm
|
|
||||||
translit(dnm, m, l) AM_CONDITIONAL(USE_XSHM, true)
|
|
||||||
GST_CHECK_FEATURE(XSHM, [X Shared Memory extension], [], [
|
|
||||||
if test x$HAVE_X = xyes; then
|
|
||||||
AC_CHECK_LIB(Xext, XShmAttach,
|
|
||||||
HAVE_XSHM="yes", HAVE_XSHM="no",
|
|
||||||
$X_LIBS)
|
|
||||||
if test "x$HAVE_XSHM" = "xyes"; then
|
|
||||||
XSHM_LIBS="-lXext"
|
|
||||||
else
|
|
||||||
dnl On AIX, it is in XextSam instead, but we still need -lXext
|
|
||||||
AC_CHECK_LIB(XextSam, XShmAttach,
|
|
||||||
HAVE_XSHM="yes", HAVE_XSHM="no",
|
|
||||||
$X_LIBS)
|
|
||||||
if test "x$HAVE_XSHM" = "xyes"; then
|
|
||||||
XSHM_LIBS="-lXext -lXextSam"
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
], ,[
|
|
||||||
AC_SUBST(HAVE_XSHM)
|
|
||||||
AC_SUBST(XSHM_LIBS)
|
|
||||||
])
|
|
||||||
|
|
||||||
dnl *** Video 4 Linux 2 ***
|
dnl *** Video 4 Linux 2 ***
|
||||||
dnl for information about the header/define, see sys/v4l2/gstv4l2element.h
|
dnl for information about the header/define, see sys/v4l2/gstv4l2element.h
|
||||||
dnl renamed to GST_V4L2 because of some conflict with kernel headers
|
dnl renamed to GST_V4L2 because of some conflict with kernel headers
|
||||||
|
@ -723,7 +648,6 @@ gst-libs/Makefile
|
||||||
gst-libs/gst/Makefile
|
gst-libs/gst/Makefile
|
||||||
sys/Makefile
|
sys/Makefile
|
||||||
sys/glsink/Makefile
|
sys/glsink/Makefile
|
||||||
sys/ximagesrc/Makefile
|
|
||||||
sys/v4l2/Makefile
|
sys/v4l2/Makefile
|
||||||
examples/Makefile
|
examples/Makefile
|
||||||
examples/directfb/Makefile
|
examples/directfb/Makefile
|
||||||
|
|
|
@ -17,17 +17,30 @@ GST_DFBVIDEOSINK_CLASS
|
||||||
GST_IS_DFBVIDEOSINK_CLASS
|
GST_IS_DFBVIDEOSINK_CLASS
|
||||||
</SECTION>
|
</SECTION>
|
||||||
|
|
||||||
|
<SECTION>
|
||||||
|
<FILE>ximagesrc</FILE>
|
||||||
|
<TITLE>GstXImageSrc</TITLE>
|
||||||
|
GstXImageSrc
|
||||||
|
<SUBSECTION Standard>
|
||||||
|
GST_XIMAGESRC
|
||||||
|
GST_IS_XIMAGESRC
|
||||||
|
GST_TYPE_XIMAGESRC
|
||||||
|
gst_ximagesrc_get_type
|
||||||
|
GST_XIMAGESRC_CLASS
|
||||||
|
GST_IS_XIMAGESRC_CLASS
|
||||||
|
</SECTION>
|
||||||
|
|
||||||
<SECTION>
|
<SECTION>
|
||||||
<FILE>gsttaglib</FILE>
|
<FILE>gsttaglib</FILE>
|
||||||
GstTagLibMuxPriv
|
GstTagLibMuxPriv
|
||||||
<TITLE>GstTagLibMux</TITLE>
|
<TITLE>GstTagLibMux</TITLE>
|
||||||
GstTagLibMux
|
GstTagLibMux
|
||||||
<SUBSECTION Standard>
|
<SUBSECTION Standard>
|
||||||
GST_TAGLIB_MUX
|
GST_TAG_LIB_MUX
|
||||||
GST_IS_TAGLIB_MUX
|
GST_IS_TAG_LIB_MUX
|
||||||
GST_TYPE_TAGLIB_MUX
|
GST_TYPE_TAG_LIB_MUX
|
||||||
gst_tag_lib_mux_get_type
|
gst_tag_lib_mux_get_type
|
||||||
GST_TAGLIB_MUX_CLASS
|
GST_TAG_LIB_MUX_CLASS
|
||||||
GST_IS_TAGLIB_MUX_CLASS
|
GST_IS_TAG_LIB_MUX_CLASS
|
||||||
</SECTION>
|
</SECTION>
|
||||||
|
|
||||||
|
|
|
@ -133,6 +133,92 @@ void
|
||||||
<RETURNS>GType </RETURNS>
|
<RETURNS>GType </RETURNS>
|
||||||
void
|
void
|
||||||
</FUNCTION>
|
</FUNCTION>
|
||||||
|
<MACRO>
|
||||||
|
<NAME>GST_TYPE_XIMAGESRC</NAME>
|
||||||
|
#define GST_TYPE_XIMAGESRC (gst_ximagesrc_get_type())
|
||||||
|
</MACRO>
|
||||||
|
<MACRO>
|
||||||
|
<NAME>GST_XIMAGESRC</NAME>
|
||||||
|
#define GST_XIMAGESRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_XIMAGESRC,GstXImageSrc))
|
||||||
|
</MACRO>
|
||||||
|
<MACRO>
|
||||||
|
<NAME>GST_XIMAGESRC_CLASS</NAME>
|
||||||
|
#define GST_XIMAGESRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_XIMAGESRC,GstXImageSrc))
|
||||||
|
</MACRO>
|
||||||
|
<MACRO>
|
||||||
|
<NAME>GST_IS_XIMAGESRC</NAME>
|
||||||
|
#define GST_IS_XIMAGESRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_XIMAGESRC))
|
||||||
|
</MACRO>
|
||||||
|
<MACRO>
|
||||||
|
<NAME>GST_IS_XIMAGESRC_CLASS</NAME>
|
||||||
|
#define GST_IS_XIMAGESRC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_XIMAGESRC))
|
||||||
|
</MACRO>
|
||||||
|
<STRUCT>
|
||||||
|
<NAME>GstXImageSrc</NAME>
|
||||||
|
</STRUCT>
|
||||||
|
<STRUCT>
|
||||||
|
<NAME>GstXImageSrcClass</NAME>
|
||||||
|
</STRUCT>
|
||||||
|
<FUNCTION>
|
||||||
|
<NAME>gst_ximagesrc_get_type</NAME>
|
||||||
|
<RETURNS>GType </RETURNS>
|
||||||
|
void
|
||||||
|
</FUNCTION>
|
||||||
|
<STRUCT>
|
||||||
|
<NAME>GstXImageSrc</NAME>
|
||||||
|
struct _GstXImageSrc
|
||||||
|
{
|
||||||
|
GstPushSrc parent;
|
||||||
|
|
||||||
|
/* Information on display */
|
||||||
|
GstXContext *xcontext;
|
||||||
|
gint width;
|
||||||
|
gint height;
|
||||||
|
|
||||||
|
Window xwindow;
|
||||||
|
gchar *display_name;
|
||||||
|
guint screen_num;
|
||||||
|
|
||||||
|
/* Desired output framerate */
|
||||||
|
gint fps_n;
|
||||||
|
gint fps_d;
|
||||||
|
|
||||||
|
/* for framerate sync */
|
||||||
|
GstClockID clock_id;
|
||||||
|
gint64 last_frame_no;
|
||||||
|
|
||||||
|
/* Protect X Windows calls */
|
||||||
|
GMutex *x_lock;
|
||||||
|
|
||||||
|
/* Gathered pool of emitted buffers */
|
||||||
|
GMutex *pool_lock;
|
||||||
|
GSList *buffer_pool;
|
||||||
|
|
||||||
|
/* XFixes and XDamage support */
|
||||||
|
gboolean have_xfixes;
|
||||||
|
gboolean have_xdamage;
|
||||||
|
gboolean show_pointer;
|
||||||
|
#ifdef HAVE_XFIXES
|
||||||
|
int fixes_event_base;
|
||||||
|
XFixesCursorImage *cursor_image;
|
||||||
|
|
||||||
|
#endif
|
||||||
|
#ifdef HAVE_XDAMAGE
|
||||||
|
Damage damage;
|
||||||
|
int damage_event_base;
|
||||||
|
XserverRegion damage_region;
|
||||||
|
GC damage_copy_gc;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
};
|
||||||
|
</STRUCT>
|
||||||
|
<STRUCT>
|
||||||
|
<NAME>GstXImageSrcClass</NAME>
|
||||||
|
struct _GstXImageSrcClass
|
||||||
|
{
|
||||||
|
GstPushSrcClass parent_class;
|
||||||
|
};
|
||||||
|
</STRUCT>
|
||||||
<STRUCT>
|
<STRUCT>
|
||||||
<NAME>GstTagLibMuxPriv</NAME>
|
<NAME>GstTagLibMuxPriv</NAME>
|
||||||
</STRUCT>
|
</STRUCT>
|
||||||
|
@ -157,29 +243,29 @@ typedef struct _GstTagLibMuxClass {
|
||||||
} GstTagLibMuxClass;
|
} GstTagLibMuxClass;
|
||||||
</STRUCT>
|
</STRUCT>
|
||||||
<MACRO>
|
<MACRO>
|
||||||
<NAME>GST_TYPE_TAGLIB_MUX</NAME>
|
<NAME>GST_TYPE_TAG_LIB_MUX</NAME>
|
||||||
#define GST_TYPE_TAGLIB_MUX \
|
#define GST_TYPE_TAG_LIB_MUX \
|
||||||
(gst_tag_lib_mux_get_type())
|
(gst_tag_lib_mux_get_type())
|
||||||
</MACRO>
|
</MACRO>
|
||||||
<MACRO>
|
<MACRO>
|
||||||
<NAME>GST_TAGLIB_MUX</NAME>
|
<NAME>GST_TAG_LIB_MUX</NAME>
|
||||||
#define GST_TAGLIB_MUX(obj) \
|
#define GST_TAG_LIB_MUX(obj) \
|
||||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TAGLIB_MUX,GstTagLibMux))
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TAG_LIB_MUX,GstTagLibMux))
|
||||||
</MACRO>
|
</MACRO>
|
||||||
<MACRO>
|
<MACRO>
|
||||||
<NAME>GST_TAGLIB_MUX_CLASS</NAME>
|
<NAME>GST_TAG_LIB_MUX_CLASS</NAME>
|
||||||
#define GST_TAGLIB_MUX_CLASS(klass) \
|
#define GST_TAG_LIB_MUX_CLASS(klass) \
|
||||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TAGLIB_MUX,GstTagLibMuxClass))
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TAG_LIB_MUX,GstTagLibMuxClass))
|
||||||
</MACRO>
|
</MACRO>
|
||||||
<MACRO>
|
<MACRO>
|
||||||
<NAME>GST_IS_TAGLIB_MUX</NAME>
|
<NAME>GST_IS_TAG_LIB_MUX</NAME>
|
||||||
#define GST_IS_TAGLIB_MUX(obj) \
|
#define GST_IS_TAG_LIB_MUX(obj) \
|
||||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TAGLIB_MUX))
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TAG_LIB_MUX))
|
||||||
</MACRO>
|
</MACRO>
|
||||||
<MACRO>
|
<MACRO>
|
||||||
<NAME>GST_IS_TAGLIB_MUX_CLASS</NAME>
|
<NAME>GST_IS_TAG_LIB_MUX_CLASS</NAME>
|
||||||
#define GST_IS_TAGLIB_MUX_CLASS(klass) \
|
#define GST_IS_TAG_LIB_MUX_CLASS(klass) \
|
||||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TAGLIB_MUX))
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TAG_LIB_MUX))
|
||||||
</MACRO>
|
</MACRO>
|
||||||
<FUNCTION>
|
<FUNCTION>
|
||||||
<NAME>gst_tag_lib_mux_get_type</NAME>
|
<NAME>gst_tag_lib_mux_get_type</NAME>
|
||||||
|
|
|
@ -36,7 +36,6 @@
|
||||||
<xi:include href="xml/plugin-taglib.xml" />
|
<xi:include href="xml/plugin-taglib.xml" />
|
||||||
<xi:include href="xml/plugin-tta.xml" />
|
<xi:include href="xml/plugin-tta.xml" />
|
||||||
<xi:include href="xml/plugin-video4linux2.xml" />
|
<xi:include href="xml/plugin-video4linux2.xml" />
|
||||||
<xi:include href="xml/plugin-ximagesrc.xml" />
|
|
||||||
<xi:include href="xml/plugin-xingheader.xml" />
|
<xi:include href="xml/plugin-xingheader.xml" />
|
||||||
|
|
||||||
</chapter>
|
</chapter>
|
||||||
|
|
|
@ -1,9 +1,10 @@
|
||||||
92% symbol docs coverage.
|
83% symbol docs coverage.
|
||||||
11 symbols documented.
|
10 symbols documented.
|
||||||
0 symbols incomplete.
|
0 symbols incomplete.
|
||||||
1 not documented.
|
2 not documented.
|
||||||
|
|
||||||
|
|
||||||
GstTagLibMux
|
GstTagLibMux
|
||||||
|
|
||||||
|
|
||||||
|
element-tagid3v2mux:Short_Description
|
||||||
|
|
|
@ -34,12 +34,6 @@ else
|
||||||
GL_DIR=
|
GL_DIR=
|
||||||
endif
|
endif
|
||||||
|
|
||||||
if USE_X
|
SUBDIRS = $(GL_DIR) $(V4L2_DIR)
|
||||||
XIMAGESRC_DIR=ximagesrc
|
|
||||||
else
|
|
||||||
XIMAGESRC_DIR=
|
|
||||||
endif
|
|
||||||
|
|
||||||
SUBDIRS = $(GL_DIR) $(XIMAGESRC_DIR) $(V4L2_DIR)
|
DIST_SUBDIRS = glsink v4l2
|
||||||
|
|
||||||
DIST_SUBDIRS = glsink ximagesrc v4l2
|
|
||||||
|
|
|
@ -1,14 +0,0 @@
|
||||||
plugin_LTLIBRARIES = libgstximagesrc.la
|
|
||||||
|
|
||||||
libgstximagesrc_la_SOURCES = ximagesrc.c ximageutil.c
|
|
||||||
libgstximagesrc_la_CFLAGS = \
|
|
||||||
$(GST_PLUGINS_BASE_CFLAGS) \
|
|
||||||
$(GST_CFLAGS) $(GST_BASE_CFLAGS) \
|
|
||||||
$(X_CFLAGS) $(XFIXES_CFLAGS) $(XDAMAGE_CFLAGS)
|
|
||||||
libgstximagesrc_la_LIBADD = \
|
|
||||||
$(GST_PLUGINS_BASE_LIBS) \
|
|
||||||
$(GST_BASE_LIBS) \
|
|
||||||
$(X_LIBS) $(XSHM_LIBS) $(XFIXES_LIBS) $(XDAMAGE_LIBS)
|
|
||||||
libgstximagesrc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
|
|
||||||
|
|
||||||
noinst_HEADERS = ximagesrc.h ximageutil.h
|
|
|
@ -1,829 +0,0 @@
|
||||||
/* GStreamer
|
|
||||||
*
|
|
||||||
* Copyright (C) 2006 Zaheer Merali <zaheerabbas at merali dot 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.
|
|
||||||
*/
|
|
||||||
|
|
||||||
/**
|
|
||||||
* SECTION:element-ximagesrc
|
|
||||||
* @short_description: a source that captures your X Display
|
|
||||||
*
|
|
||||||
* <refsect2>
|
|
||||||
* <para>
|
|
||||||
* This element captures your X Display and creates raw RGB video. It uses
|
|
||||||
* the XDamage extension if available to only capture areas of the screen that
|
|
||||||
* have changed since the last frame. It uses the XFixes extension if
|
|
||||||
* available to also capture your mouse pointer. By default it will fixate to
|
|
||||||
* 25 frames per second.
|
|
||||||
* </para>
|
|
||||||
* <title>Example pipelines</title>
|
|
||||||
* <para>
|
|
||||||
* <programlisting>
|
|
||||||
* gst-launch -v ximagesrc ! video/x-raw-rgb,framerate=5/1 ! ffmpegcolorspace ! theoraenc ! oggmux ! filesink location=desktop.ogg
|
|
||||||
* </programlisting>
|
|
||||||
* Encodes your X display to an Ogg theora video at 5 frames per second.
|
|
||||||
* </para>
|
|
||||||
* </refsect2>
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifdef HAVE_CONFIG_H
|
|
||||||
#include "config.h"
|
|
||||||
#endif
|
|
||||||
#include "ximagesrc.h"
|
|
||||||
|
|
||||||
#include <string.h>
|
|
||||||
#include <stdlib.h>
|
|
||||||
|
|
||||||
#include <X11/Xlib.h>
|
|
||||||
#include <X11/Xutil.h>
|
|
||||||
|
|
||||||
#include <gst/gst.h>
|
|
||||||
#include <gst/gst-i18n-plugin.h>
|
|
||||||
|
|
||||||
GST_DEBUG_CATEGORY_STATIC (gst_debug_ximage_src);
|
|
||||||
#define GST_CAT_DEFAULT gst_debug_ximage_src
|
|
||||||
|
|
||||||
/* elementfactory information */
|
|
||||||
static const GstElementDetails ximagesrc_details =
|
|
||||||
GST_ELEMENT_DETAILS ("Ximage video source",
|
|
||||||
"Source/Video",
|
|
||||||
"Creates a screenshot video stream",
|
|
||||||
"Lutz Mueller <lutz@users.sourceforge.net>, "
|
|
||||||
"Jan Schmidt <thaytan@mad.scientist.com>, "
|
|
||||||
"Zaheer Merali <zaheerabbas at merali dot org>");
|
|
||||||
|
|
||||||
static GstStaticPadTemplate t =
|
|
||||||
GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
|
|
||||||
GST_STATIC_CAPS ("video/x-raw-rgb, "
|
|
||||||
"framerate = (fraction) [ 0, MAX ], "
|
|
||||||
"width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ], "
|
|
||||||
"pixel-aspect-ratio = (fraction) [ 0, MAX ]"));
|
|
||||||
|
|
||||||
enum
|
|
||||||
{
|
|
||||||
PROP_0,
|
|
||||||
PROP_DISPLAY_NAME,
|
|
||||||
PROP_SCREEN_NUM,
|
|
||||||
PROP_SHOW_POINTER
|
|
||||||
};
|
|
||||||
|
|
||||||
GST_BOILERPLATE (GstXImageSrc, gst_ximage_src, GstPushSrc, GST_TYPE_PUSH_SRC);
|
|
||||||
|
|
||||||
static void gst_ximage_src_fixate (GstPad * pad, GstCaps * caps);
|
|
||||||
static void gst_ximage_src_clear_bufpool (GstXImageSrc * ximagesrc);
|
|
||||||
|
|
||||||
/* Called when a buffer is returned from the pipeline */
|
|
||||||
static void
|
|
||||||
gst_ximage_src_return_buf (GstXImageSrc * ximagesrc,
|
|
||||||
GstXImageSrcBuffer * ximage)
|
|
||||||
{
|
|
||||||
/* If our geometry changed we can't reuse that image. */
|
|
||||||
if ((ximage->width != ximagesrc->width) ||
|
|
||||||
(ximage->height != ximagesrc->height)) {
|
|
||||||
GST_DEBUG_OBJECT (ximagesrc,
|
|
||||||
"destroy image %p as its size changed %dx%d vs current %dx%d",
|
|
||||||
ximage, ximage->width, ximage->height,
|
|
||||||
ximagesrc->width, ximagesrc->height);
|
|
||||||
g_mutex_lock (ximagesrc->x_lock);
|
|
||||||
gst_ximageutil_ximage_destroy (ximagesrc->xcontext, ximage);
|
|
||||||
g_mutex_unlock (ximagesrc->x_lock);
|
|
||||||
} else {
|
|
||||||
/* In that case we can reuse the image and add it to our image pool. */
|
|
||||||
GST_LOG_OBJECT (ximagesrc, "recycling image %p in pool", ximage);
|
|
||||||
/* need to increment the refcount again to recycle */
|
|
||||||
gst_buffer_ref (GST_BUFFER (ximage));
|
|
||||||
g_mutex_lock (ximagesrc->pool_lock);
|
|
||||||
ximagesrc->buffer_pool = g_slist_prepend (ximagesrc->buffer_pool, ximage);
|
|
||||||
g_mutex_unlock (ximagesrc->pool_lock);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static gboolean
|
|
||||||
gst_ximage_src_open_display (GstXImageSrc * s, const gchar * name)
|
|
||||||
{
|
|
||||||
g_return_val_if_fail (GST_IS_XIMAGE_SRC (s), FALSE);
|
|
||||||
|
|
||||||
if (s->xcontext != NULL)
|
|
||||||
return TRUE;
|
|
||||||
|
|
||||||
g_mutex_lock (s->x_lock);
|
|
||||||
s->xcontext = ximageutil_xcontext_get (GST_ELEMENT (s), name);
|
|
||||||
s->width = s->xcontext->width;
|
|
||||||
s->height = s->xcontext->height;
|
|
||||||
|
|
||||||
/* Always capture root window, for now */
|
|
||||||
s->xwindow = s->xcontext->root;
|
|
||||||
|
|
||||||
#ifdef HAVE_XFIXES
|
|
||||||
/* check if xfixes supported */
|
|
||||||
{
|
|
||||||
int error_base;
|
|
||||||
|
|
||||||
if (XFixesQueryExtension (s->xcontext->disp, &s->fixes_event_base,
|
|
||||||
&error_base)) {
|
|
||||||
s->have_xfixes = TRUE;
|
|
||||||
GST_DEBUG_OBJECT (s, "X Server supports XFixes");
|
|
||||||
} else {
|
|
||||||
|
|
||||||
GST_DEBUG_OBJECT (s, "X Server does not support XFixes");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifdef HAVE_XDAMAGE
|
|
||||||
/* check if xdamage is supported */
|
|
||||||
{
|
|
||||||
int error_base;
|
|
||||||
long evmask = NoEventMask;
|
|
||||||
|
|
||||||
if (XDamageQueryExtension (s->xcontext->disp, &s->damage_event_base,
|
|
||||||
&error_base)) {
|
|
||||||
s->damage =
|
|
||||||
XDamageCreate (s->xcontext->disp, s->xwindow,
|
|
||||||
XDamageReportRawRectangles);
|
|
||||||
if (s->damage != None) {
|
|
||||||
s->damage_region = XFixesCreateRegion (s->xcontext->disp, NULL, 0);
|
|
||||||
if (s->damage_region != None) {
|
|
||||||
XGCValues values;
|
|
||||||
|
|
||||||
GST_DEBUG_OBJECT (s, "Using XDamage extension");
|
|
||||||
values.subwindow_mode = IncludeInferiors;
|
|
||||||
s->damage_copy_gc = XCreateGC (s->xcontext->disp,
|
|
||||||
s->xwindow, GCSubwindowMode, &values);
|
|
||||||
XSelectInput (s->xcontext->disp, s->xwindow, evmask);
|
|
||||||
|
|
||||||
s->have_xdamage = TRUE;
|
|
||||||
} else {
|
|
||||||
XDamageDestroy (s->xcontext->disp, s->damage);
|
|
||||||
s->damage = None;
|
|
||||||
}
|
|
||||||
} else
|
|
||||||
GST_DEBUG_OBJECT (s, "Could not attach to XDamage");
|
|
||||||
} else {
|
|
||||||
GST_DEBUG_OBJECT (s, "X Server does not have XDamage extension");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
#endif
|
|
||||||
|
|
||||||
g_mutex_unlock (s->x_lock);
|
|
||||||
|
|
||||||
if (s->xcontext == NULL)
|
|
||||||
return FALSE;
|
|
||||||
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
static gboolean
|
|
||||||
gst_ximage_src_start (GstBaseSrc * basesrc)
|
|
||||||
{
|
|
||||||
GstXImageSrc *s = GST_XIMAGE_SRC (basesrc);
|
|
||||||
|
|
||||||
s->last_frame_no = -1;
|
|
||||||
|
|
||||||
return gst_ximage_src_open_display (s, NULL);
|
|
||||||
}
|
|
||||||
|
|
||||||
static gboolean
|
|
||||||
gst_ximage_src_stop (GstBaseSrc * basesrc)
|
|
||||||
{
|
|
||||||
GstXImageSrc *src = GST_XIMAGE_SRC (basesrc);
|
|
||||||
|
|
||||||
gst_ximage_src_clear_bufpool (src);
|
|
||||||
|
|
||||||
if (src->xcontext) {
|
|
||||||
g_mutex_lock (src->x_lock);
|
|
||||||
ximageutil_xcontext_clear (src->xcontext);
|
|
||||||
src->xcontext = NULL;
|
|
||||||
g_mutex_unlock (src->x_lock);
|
|
||||||
}
|
|
||||||
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
static gboolean
|
|
||||||
gst_ximage_src_unlock (GstBaseSrc * basesrc)
|
|
||||||
{
|
|
||||||
GstXImageSrc *src = GST_XIMAGE_SRC (basesrc);
|
|
||||||
|
|
||||||
/* Awaken the create() func if it's waiting on the clock */
|
|
||||||
GST_OBJECT_LOCK (src);
|
|
||||||
if (src->clock_id) {
|
|
||||||
GST_DEBUG_OBJECT (src, "Waking up waiting clock");
|
|
||||||
gst_clock_id_unschedule (src->clock_id);
|
|
||||||
}
|
|
||||||
GST_OBJECT_UNLOCK (src);
|
|
||||||
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
static gboolean
|
|
||||||
gst_ximage_src_recalc (GstXImageSrc * src)
|
|
||||||
{
|
|
||||||
if (!src->xcontext)
|
|
||||||
return FALSE;
|
|
||||||
|
|
||||||
/* Maybe later we can check the display hasn't changed size */
|
|
||||||
/* We could use XQueryPointer to get only the current window. */
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifdef HAVE_XFIXES
|
|
||||||
static void
|
|
||||||
composite_pixel (GstXContext * xcontext, guchar * dest, guchar * src)
|
|
||||||
{
|
|
||||||
guint8 r = src[2];
|
|
||||||
guint8 g = src[1];
|
|
||||||
guint8 b = src[0];
|
|
||||||
guint8 a = src[3];
|
|
||||||
guint8 dr, dg, db;
|
|
||||||
guint32 color;
|
|
||||||
gint r_shift, r_max, r_shift_out;
|
|
||||||
gint g_shift, g_max, g_shift_out;
|
|
||||||
gint b_shift, b_max, b_shift_out;
|
|
||||||
|
|
||||||
switch (xcontext->bpp) {
|
|
||||||
case 8:
|
|
||||||
color = *dest;
|
|
||||||
break;
|
|
||||||
case 16:
|
|
||||||
color = GUINT16_FROM_LE (*(guint32 *) (dest));
|
|
||||||
break;
|
|
||||||
case 32:
|
|
||||||
color = GUINT32_FROM_LE (*(guint32 *) (dest));
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
/* Should not reach here */
|
|
||||||
g_assert_not_reached ();
|
|
||||||
}
|
|
||||||
|
|
||||||
/* possible optimisation:
|
|
||||||
* move the code that finds shift and max in the _link function */
|
|
||||||
for (r_shift = 0; !(xcontext->visual->red_mask & (1 << r_shift)); r_shift++);
|
|
||||||
for (g_shift = 0; !(xcontext->visual->green_mask & (1 << g_shift));
|
|
||||||
g_shift++);
|
|
||||||
for (b_shift = 0; !(xcontext->visual->blue_mask & (1 << b_shift)); b_shift++);
|
|
||||||
|
|
||||||
for (r_shift_out = 0; !(xcontext->visual->red_mask & (1 << r_shift_out));
|
|
||||||
r_shift_out++);
|
|
||||||
for (g_shift_out = 0; !(xcontext->visual->green_mask & (1 << g_shift_out));
|
|
||||||
g_shift_out++);
|
|
||||||
for (b_shift_out = 0; !(xcontext->visual->blue_mask & (1 << b_shift_out));
|
|
||||||
b_shift_out++);
|
|
||||||
|
|
||||||
|
|
||||||
r_max = (xcontext->visual->red_mask >> r_shift);
|
|
||||||
b_max = (xcontext->visual->blue_mask >> b_shift);
|
|
||||||
g_max = (xcontext->visual->green_mask >> g_shift);
|
|
||||||
|
|
||||||
#define RGBXXX_R(x) (((x)>>r_shift) & (r_max))
|
|
||||||
#define RGBXXX_G(x) (((x)>>g_shift) & (g_max))
|
|
||||||
#define RGBXXX_B(x) (((x)>>b_shift) & (b_max))
|
|
||||||
|
|
||||||
dr = (RGBXXX_R (color) * 255) / r_max;
|
|
||||||
dg = (RGBXXX_G (color) * 255) / g_max;
|
|
||||||
db = (RGBXXX_B (color) * 255) / b_max;
|
|
||||||
|
|
||||||
dr = (r * a + (0xff - a) * dr) / 0xff;
|
|
||||||
dg = (g * a + (0xff - a) * dg) / 0xff;
|
|
||||||
db = (b * a + (0xff - a) * db) / 0xff;
|
|
||||||
|
|
||||||
color = (((dr * r_max) / 255) << r_shift_out) +
|
|
||||||
(((dg * g_max) / 255) << g_shift_out) +
|
|
||||||
(((db * b_max) / 255) << b_shift_out);
|
|
||||||
|
|
||||||
switch (xcontext->bpp) {
|
|
||||||
case 8:
|
|
||||||
*dest = color;
|
|
||||||
break;
|
|
||||||
case 16:
|
|
||||||
*(guint16 *) (dest) = color;
|
|
||||||
break;
|
|
||||||
case 32:
|
|
||||||
*(guint32 *) (dest) = color;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
g_warning ("bpp %d not supported\n", xcontext->bpp);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Retrieve an XImageSrcBuffer, preferably from our
|
|
||||||
* pool of existing images and populate it from the window */
|
|
||||||
static GstXImageSrcBuffer *
|
|
||||||
gst_ximage_src_ximage_get (GstXImageSrc * ximagesrc)
|
|
||||||
{
|
|
||||||
GstXImageSrcBuffer *ximage = NULL;
|
|
||||||
GstCaps *caps = NULL;
|
|
||||||
|
|
||||||
g_mutex_lock (ximagesrc->pool_lock);
|
|
||||||
while (ximagesrc->buffer_pool != NULL) {
|
|
||||||
ximage = ximagesrc->buffer_pool->data;
|
|
||||||
|
|
||||||
if ((ximage->width != ximagesrc->width) ||
|
|
||||||
(ximage->height != ximagesrc->height)) {
|
|
||||||
gst_ximage_buffer_free (ximage);
|
|
||||||
}
|
|
||||||
|
|
||||||
ximagesrc->buffer_pool = g_slist_delete_link (ximagesrc->buffer_pool,
|
|
||||||
ximagesrc->buffer_pool);
|
|
||||||
}
|
|
||||||
g_mutex_unlock (ximagesrc->pool_lock);
|
|
||||||
|
|
||||||
if (ximage == NULL) {
|
|
||||||
GstXContext *xcontext;
|
|
||||||
|
|
||||||
GST_DEBUG_OBJECT (ximagesrc, "creating image (%dx%d)",
|
|
||||||
ximagesrc->width, ximagesrc->height);
|
|
||||||
|
|
||||||
g_mutex_lock (ximagesrc->x_lock);
|
|
||||||
ximage = gst_ximageutil_ximage_new (ximagesrc->xcontext,
|
|
||||||
GST_ELEMENT (ximagesrc), ximagesrc->width, ximagesrc->height,
|
|
||||||
(BufferReturnFunc) (gst_ximage_src_return_buf));
|
|
||||||
if (ximage == NULL) {
|
|
||||||
GST_ELEMENT_ERROR (ximagesrc, RESOURCE, WRITE, (NULL),
|
|
||||||
("could not create a %dx%d ximage", ximage->width, ximage->height));
|
|
||||||
g_mutex_unlock (ximagesrc->x_lock);
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
xcontext = ximagesrc->xcontext;
|
|
||||||
|
|
||||||
caps = gst_caps_new_simple ("video/x-raw-rgb",
|
|
||||||
"bpp", G_TYPE_INT, xcontext->bpp,
|
|
||||||
"depth", G_TYPE_INT, xcontext->depth,
|
|
||||||
"endianness", G_TYPE_INT, xcontext->endianness,
|
|
||||||
"red_mask", G_TYPE_INT, xcontext->r_mask_output,
|
|
||||||
"green_mask", G_TYPE_INT, xcontext->g_mask_output,
|
|
||||||
"blue_mask", G_TYPE_INT, xcontext->b_mask_output,
|
|
||||||
"width", G_TYPE_INT, xcontext->width,
|
|
||||||
"height", G_TYPE_INT, xcontext->height,
|
|
||||||
"framerate", GST_TYPE_FRACTION, ximagesrc->fps_n, ximagesrc->fps_d,
|
|
||||||
"pixel-aspect-ratio", GST_TYPE_FRACTION,
|
|
||||||
gst_value_get_fraction_numerator (xcontext->par),
|
|
||||||
gst_value_get_fraction_denominator (xcontext->par), NULL);
|
|
||||||
|
|
||||||
gst_buffer_set_caps (GST_BUFFER (ximage), caps);
|
|
||||||
g_mutex_unlock (ximagesrc->x_lock);
|
|
||||||
}
|
|
||||||
|
|
||||||
g_return_val_if_fail (GST_IS_XIMAGE_SRC (ximagesrc), NULL);
|
|
||||||
|
|
||||||
#ifdef HAVE_XDAMAGE
|
|
||||||
if (ximagesrc->have_xdamage) {
|
|
||||||
XEvent ev;
|
|
||||||
|
|
||||||
GST_DEBUG_OBJECT (ximagesrc, "Retrieving screen using XDamage");
|
|
||||||
|
|
||||||
do {
|
|
||||||
XNextEvent (ximagesrc->xcontext->disp, &ev);
|
|
||||||
if (ev.type == ximagesrc->damage_event_base + XDamageNotify) {
|
|
||||||
XDamageNotifyEvent *dev = (XDamageNotifyEvent *) & ev;
|
|
||||||
|
|
||||||
#ifdef HAVE_XSHM
|
|
||||||
if (ximagesrc->xcontext->use_xshm &&
|
|
||||||
dev->area.width == ximagesrc->width &&
|
|
||||||
dev->area.height == ximagesrc->height) {
|
|
||||||
GST_DEBUG_OBJECT (ximagesrc, "Entire screen was damaged");
|
|
||||||
XShmGetImage (ximagesrc->xcontext->disp, ximagesrc->xwindow,
|
|
||||||
ximage->ximage, 0, 0, AllPlanes);
|
|
||||||
/* No need to collect more events */
|
|
||||||
while (XPending (ximagesrc->xcontext->disp)) {
|
|
||||||
XNextEvent (ximagesrc->xcontext->disp, &ev);
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
} else
|
|
||||||
#endif
|
|
||||||
{
|
|
||||||
GST_LOG_OBJECT (ximagesrc,
|
|
||||||
"Retrieving damaged sub-region @ %d,%d size %dx%d",
|
|
||||||
dev->area.x, dev->area.y, dev->area.width, dev->area.height);
|
|
||||||
|
|
||||||
XGetSubImage (ximagesrc->xcontext->disp, ximagesrc->xwindow,
|
|
||||||
dev->area.x, dev->area.y,
|
|
||||||
dev->area.width, dev->area.height,
|
|
||||||
AllPlanes, ZPixmap, ximage->ximage, dev->area.x, dev->area.y);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
} while (XPending (ximagesrc->xcontext->disp));
|
|
||||||
XDamageSubtract (ximagesrc->xcontext->disp, ximagesrc->damage, None, None);
|
|
||||||
#ifdef HAVE_XFIXES
|
|
||||||
/* re-get area where last mouse pointer was */
|
|
||||||
if (ximagesrc->cursor_image) {
|
|
||||||
gint x, y, width, height;
|
|
||||||
|
|
||||||
x = ximagesrc->cursor_image->x - ximagesrc->cursor_image->xhot;
|
|
||||||
y = ximagesrc->cursor_image->y - ximagesrc->cursor_image->yhot;
|
|
||||||
width = ximagesrc->cursor_image->width;
|
|
||||||
height = ximagesrc->cursor_image->height;
|
|
||||||
|
|
||||||
/* bounds checking */
|
|
||||||
if (x < 0)
|
|
||||||
x = 0;
|
|
||||||
if (y < 0)
|
|
||||||
y = 0;
|
|
||||||
if (x + width > ximagesrc->width)
|
|
||||||
width = ximagesrc->width - x;
|
|
||||||
if (y + height > ximagesrc->height)
|
|
||||||
height = ximagesrc->height - y;
|
|
||||||
g_assert (x >= 0);
|
|
||||||
g_assert (y >= 0);
|
|
||||||
|
|
||||||
GST_DEBUG_OBJECT (ximagesrc, "Removing cursor from %d,%d", x, y);
|
|
||||||
XGetSubImage (ximagesrc->xcontext->disp, ximagesrc->xwindow,
|
|
||||||
x, y, width, height, AllPlanes, ZPixmap, ximage->ximage, x, y);
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|
||||||
} else {
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef HAVE_XSHM
|
|
||||||
if (ximagesrc->xcontext->use_xshm) {
|
|
||||||
GST_DEBUG_OBJECT (ximagesrc, "Retrieving screen using XShm");
|
|
||||||
XShmGetImage (ximagesrc->xcontext->disp, ximagesrc->xwindow,
|
|
||||||
ximage->ximage, 0, 0, AllPlanes);
|
|
||||||
|
|
||||||
} else
|
|
||||||
#endif /* HAVE_XSHM */
|
|
||||||
{
|
|
||||||
GST_DEBUG_OBJECT (ximagesrc, "Retrieving screen using XGetImage");
|
|
||||||
ximage->ximage = XGetImage (ximagesrc->xcontext->disp, ximagesrc->xwindow,
|
|
||||||
0, 0, ximagesrc->width, ximagesrc->height, AllPlanes, ZPixmap);
|
|
||||||
}
|
|
||||||
#ifdef HAVE_XDAMAGE
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef HAVE_XFIXES
|
|
||||||
if (ximagesrc->show_pointer && ximagesrc->have_xfixes) {
|
|
||||||
|
|
||||||
GST_DEBUG_OBJECT (ximagesrc, "Using XFixes to draw cursor");
|
|
||||||
/* get cursor */
|
|
||||||
ximagesrc->cursor_image = XFixesGetCursorImage (ximagesrc->xcontext->disp);
|
|
||||||
if (ximagesrc->cursor_image != NULL) {
|
|
||||||
int cx, cy, i, j, count;
|
|
||||||
|
|
||||||
cx = ximagesrc->cursor_image->x - ximagesrc->cursor_image->xhot;
|
|
||||||
cy = ximagesrc->cursor_image->y - ximagesrc->cursor_image->yhot;
|
|
||||||
count = ximagesrc->cursor_image->width * ximagesrc->cursor_image->height;
|
|
||||||
for (i = 0; i < count; i++)
|
|
||||||
ximagesrc->cursor_image->pixels[i] =
|
|
||||||
GUINT_TO_LE (ximagesrc->cursor_image->pixels[i]);
|
|
||||||
|
|
||||||
/* copy those pixels across */
|
|
||||||
for (j = cy;
|
|
||||||
j < cy + ximagesrc->cursor_image->height && j < ximagesrc->height;
|
|
||||||
j++) {
|
|
||||||
for (i = cx;
|
|
||||||
i < cx + ximagesrc->cursor_image->width && i < ximagesrc->width;
|
|
||||||
i++) {
|
|
||||||
guint8 *src, *dest;
|
|
||||||
|
|
||||||
src =
|
|
||||||
(guint8 *) & (ximagesrc->cursor_image->pixels[((j -
|
|
||||||
cy) * ximagesrc->cursor_image->width + (i - cx))]);
|
|
||||||
dest =
|
|
||||||
(guint8 *) & (ximage->ximage->data[(j * ximagesrc->width +
|
|
||||||
i) * (ximagesrc->xcontext->bpp / 8)]);
|
|
||||||
|
|
||||||
composite_pixel (ximagesrc->xcontext, (guint8 *) dest,
|
|
||||||
(guint8 *) src);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
return ximage;
|
|
||||||
}
|
|
||||||
|
|
||||||
static GstFlowReturn
|
|
||||||
gst_ximage_src_create (GstPushSrc * bs, GstBuffer ** buf)
|
|
||||||
{
|
|
||||||
GstXImageSrc *s = GST_XIMAGE_SRC (bs);
|
|
||||||
GstXImageSrcBuffer *image;
|
|
||||||
GstClockTime base_time;
|
|
||||||
GstClockTime next_capture_ts;
|
|
||||||
GstClockTime dur;
|
|
||||||
gint64 next_frame_no;
|
|
||||||
|
|
||||||
if (!gst_ximage_src_recalc (s)) {
|
|
||||||
GST_ELEMENT_ERROR (s, RESOURCE, FAILED,
|
|
||||||
(_("Changing resolution at runtime is not yet supported.")), (NULL));
|
|
||||||
return GST_FLOW_ERROR;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (s->fps_n <= 0 || s->fps_d <= 0)
|
|
||||||
return GST_FLOW_NOT_NEGOTIATED; /* FPS must be > 0 */
|
|
||||||
|
|
||||||
/* Now, we might need to wait for the next multiple of the fps
|
|
||||||
* before capturing */
|
|
||||||
|
|
||||||
GST_OBJECT_LOCK (s);
|
|
||||||
base_time = GST_ELEMENT_CAST (s)->base_time;
|
|
||||||
next_capture_ts = gst_clock_get_time (GST_ELEMENT_CLOCK (s));
|
|
||||||
next_capture_ts -= base_time;
|
|
||||||
|
|
||||||
/* Figure out which 'frame number' position we're at, based on the cur time
|
|
||||||
* and frame rate */
|
|
||||||
next_frame_no = gst_util_uint64_scale (next_capture_ts,
|
|
||||||
s->fps_n, GST_SECOND * s->fps_d);
|
|
||||||
if (next_frame_no == s->last_frame_no) {
|
|
||||||
GstClockID id;
|
|
||||||
GstClockReturn ret;
|
|
||||||
|
|
||||||
/* Need to wait for the next frame */
|
|
||||||
next_frame_no += 1;
|
|
||||||
|
|
||||||
/* Figure out what the next frame time is */
|
|
||||||
next_capture_ts = gst_util_uint64_scale (next_frame_no,
|
|
||||||
s->fps_d * GST_SECOND, s->fps_n);
|
|
||||||
|
|
||||||
id = gst_clock_new_single_shot_id (GST_ELEMENT_CLOCK (s),
|
|
||||||
next_capture_ts + base_time);
|
|
||||||
s->clock_id = id;
|
|
||||||
|
|
||||||
/* release the object lock while waiting */
|
|
||||||
GST_OBJECT_UNLOCK (s);
|
|
||||||
|
|
||||||
GST_DEBUG_OBJECT (s, "Waiting for next frame time %" G_GUINT64_FORMAT,
|
|
||||||
next_capture_ts);
|
|
||||||
ret = gst_clock_id_wait (id, NULL);
|
|
||||||
GST_OBJECT_LOCK (s);
|
|
||||||
|
|
||||||
gst_clock_id_unref (id);
|
|
||||||
s->clock_id = NULL;
|
|
||||||
if (ret == GST_CLOCK_UNSCHEDULED) {
|
|
||||||
/* Got woken up by the unlock function */
|
|
||||||
GST_OBJECT_UNLOCK (s);
|
|
||||||
return GST_FLOW_WRONG_STATE;
|
|
||||||
}
|
|
||||||
/* Duration is a complete 1/fps frame duration */
|
|
||||||
dur = gst_util_uint64_scale_int (GST_SECOND, s->fps_d, s->fps_n);
|
|
||||||
} else {
|
|
||||||
GstClockTime next_frame_ts;
|
|
||||||
|
|
||||||
GST_DEBUG_OBJECT (s, "No need to wait for next frame time %"
|
|
||||||
G_GUINT64_FORMAT " next frame = %" G_GINT64_FORMAT " prev = %"
|
|
||||||
G_GINT64_FORMAT, next_capture_ts, next_frame_no, s->last_frame_no);
|
|
||||||
next_frame_ts = gst_util_uint64_scale (next_frame_no + 1,
|
|
||||||
s->fps_d * GST_SECOND, s->fps_n);
|
|
||||||
/* Frame duration is from now until the next expected capture time */
|
|
||||||
dur = next_frame_ts - next_capture_ts;
|
|
||||||
}
|
|
||||||
s->last_frame_no = next_frame_no;
|
|
||||||
GST_OBJECT_UNLOCK (s);
|
|
||||||
|
|
||||||
image = gst_ximage_src_ximage_get (s);
|
|
||||||
if (!image)
|
|
||||||
return GST_FLOW_ERROR;
|
|
||||||
|
|
||||||
*buf = GST_BUFFER (image);
|
|
||||||
GST_BUFFER_TIMESTAMP (*buf) = next_capture_ts;
|
|
||||||
GST_BUFFER_DURATION (*buf) = dur;
|
|
||||||
|
|
||||||
return GST_FLOW_OK;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_ximage_src_set_property (GObject * object, guint prop_id,
|
|
||||||
const GValue * value, GParamSpec * pspec)
|
|
||||||
{
|
|
||||||
GstXImageSrc *src = GST_XIMAGE_SRC (object);
|
|
||||||
|
|
||||||
switch (prop_id) {
|
|
||||||
case PROP_DISPLAY_NAME:
|
|
||||||
|
|
||||||
g_free (src->display_name);
|
|
||||||
src->display_name = g_strdup (g_value_get_string (value));
|
|
||||||
break;
|
|
||||||
case PROP_SCREEN_NUM:
|
|
||||||
src->screen_num = g_value_get_uint (value);
|
|
||||||
break;
|
|
||||||
case PROP_SHOW_POINTER:
|
|
||||||
src->show_pointer = g_value_get_boolean (value);
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_ximage_src_get_property (GObject * object, guint prop_id, GValue * value,
|
|
||||||
GParamSpec * pspec)
|
|
||||||
{
|
|
||||||
GstXImageSrc *src = GST_XIMAGE_SRC (object);
|
|
||||||
|
|
||||||
switch (prop_id) {
|
|
||||||
case PROP_DISPLAY_NAME:
|
|
||||||
if (src->xcontext)
|
|
||||||
g_value_set_string (value, DisplayString (src->xcontext->disp));
|
|
||||||
else
|
|
||||||
g_value_set_string (value, src->display_name);
|
|
||||||
|
|
||||||
break;
|
|
||||||
case PROP_SCREEN_NUM:
|
|
||||||
g_value_set_uint (value, src->screen_num);
|
|
||||||
break;
|
|
||||||
case PROP_SHOW_POINTER:
|
|
||||||
g_value_set_boolean (value, src->show_pointer);
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_ximage_src_clear_bufpool (GstXImageSrc * ximagesrc)
|
|
||||||
{
|
|
||||||
g_mutex_lock (ximagesrc->pool_lock);
|
|
||||||
while (ximagesrc->buffer_pool != NULL) {
|
|
||||||
GstXImageSrcBuffer *ximage = ximagesrc->buffer_pool->data;
|
|
||||||
|
|
||||||
gst_ximage_buffer_free (ximage);
|
|
||||||
|
|
||||||
ximagesrc->buffer_pool = g_slist_delete_link (ximagesrc->buffer_pool,
|
|
||||||
ximagesrc->buffer_pool);
|
|
||||||
}
|
|
||||||
g_mutex_unlock (ximagesrc->pool_lock);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_ximage_src_base_init (gpointer g_class)
|
|
||||||
{
|
|
||||||
GstElementClass *ec = GST_ELEMENT_CLASS (g_class);
|
|
||||||
|
|
||||||
gst_element_class_set_details (ec, &ximagesrc_details);
|
|
||||||
gst_element_class_add_pad_template (ec, gst_static_pad_template_get (&t));
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_ximage_src_dispose (GObject * object)
|
|
||||||
{
|
|
||||||
/* Drop references in the buffer_pool */
|
|
||||||
gst_ximage_src_clear_bufpool (GST_XIMAGE_SRC (object));
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_ximage_src_finalize (GObject * object)
|
|
||||||
{
|
|
||||||
GstXImageSrc *src = GST_XIMAGE_SRC (object);
|
|
||||||
|
|
||||||
if (src->xcontext)
|
|
||||||
ximageutil_xcontext_clear (src->xcontext);
|
|
||||||
|
|
||||||
g_mutex_free (src->pool_lock);
|
|
||||||
g_mutex_free (src->x_lock);
|
|
||||||
|
|
||||||
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
||||||
}
|
|
||||||
|
|
||||||
static GstCaps *
|
|
||||||
gst_ximage_src_get_caps (GstBaseSrc * bs)
|
|
||||||
{
|
|
||||||
GstXImageSrc *s = GST_XIMAGE_SRC (bs);
|
|
||||||
GstXContext *xcontext;
|
|
||||||
|
|
||||||
if ((!s->xcontext) && (!gst_ximage_src_open_display (s, NULL)))
|
|
||||||
return gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_SRC (s)->
|
|
||||||
srcpad));
|
|
||||||
|
|
||||||
if (!gst_ximage_src_recalc (s))
|
|
||||||
return gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_SRC (s)->
|
|
||||||
srcpad));
|
|
||||||
|
|
||||||
xcontext = s->xcontext;
|
|
||||||
|
|
||||||
return gst_caps_new_simple ("video/x-raw-rgb",
|
|
||||||
"bpp", G_TYPE_INT, xcontext->bpp,
|
|
||||||
"depth", G_TYPE_INT, xcontext->depth,
|
|
||||||
"endianness", G_TYPE_INT, xcontext->endianness,
|
|
||||||
"red_mask", G_TYPE_INT, xcontext->r_mask_output,
|
|
||||||
"green_mask", G_TYPE_INT, xcontext->g_mask_output,
|
|
||||||
"blue_mask", G_TYPE_INT, xcontext->b_mask_output,
|
|
||||||
"width", G_TYPE_INT, xcontext->width,
|
|
||||||
"height", G_TYPE_INT, xcontext->height,
|
|
||||||
"framerate", GST_TYPE_FRACTION_RANGE, 1, G_MAXINT, G_MAXINT, 1,
|
|
||||||
"pixel-aspect-ratio", GST_TYPE_FRACTION_RANGE, 1, G_MAXINT, G_MAXINT, 1,
|
|
||||||
NULL);
|
|
||||||
}
|
|
||||||
|
|
||||||
static gboolean
|
|
||||||
gst_ximage_src_set_caps (GstBaseSrc * bs, GstCaps * caps)
|
|
||||||
{
|
|
||||||
GstXImageSrc *s = GST_XIMAGE_SRC (bs);
|
|
||||||
GstStructure *structure;
|
|
||||||
const GValue *new_fps;
|
|
||||||
|
|
||||||
/* If not yet opened, disallow setcaps until later */
|
|
||||||
if (!s->xcontext)
|
|
||||||
return FALSE;
|
|
||||||
|
|
||||||
/* The only thing that can change is the framerate downstream wants */
|
|
||||||
structure = gst_caps_get_structure (caps, 0);
|
|
||||||
new_fps = gst_structure_get_value (structure, "framerate");
|
|
||||||
if (!new_fps)
|
|
||||||
return FALSE;
|
|
||||||
|
|
||||||
/* Store this FPS for use when generating buffers */
|
|
||||||
s->fps_n = gst_value_get_fraction_numerator (new_fps);
|
|
||||||
s->fps_d = gst_value_get_fraction_denominator (new_fps);
|
|
||||||
|
|
||||||
GST_DEBUG_OBJECT (s, "peer wants %d/%d fps", s->fps_n, s->fps_d);
|
|
||||||
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_ximage_src_fixate (GstPad * pad, GstCaps * caps)
|
|
||||||
{
|
|
||||||
gint i;
|
|
||||||
GstStructure *structure;
|
|
||||||
|
|
||||||
for (i = 0; i < gst_caps_get_size (caps); ++i) {
|
|
||||||
structure = gst_caps_get_structure (caps, i);
|
|
||||||
|
|
||||||
gst_structure_fixate_field_nearest_fraction (structure, "framerate", 25, 1);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_ximage_src_class_init (GstXImageSrcClass * klass)
|
|
||||||
{
|
|
||||||
GObjectClass *gc = G_OBJECT_CLASS (klass);
|
|
||||||
GstBaseSrcClass *bc = GST_BASE_SRC_CLASS (klass);
|
|
||||||
GstPushSrcClass *push_class = GST_PUSH_SRC_CLASS (klass);
|
|
||||||
|
|
||||||
gc->set_property = gst_ximage_src_set_property;
|
|
||||||
gc->get_property = gst_ximage_src_get_property;
|
|
||||||
gc->dispose = gst_ximage_src_dispose;
|
|
||||||
gc->finalize = gst_ximage_src_finalize;
|
|
||||||
|
|
||||||
g_object_class_install_property (gc, PROP_DISPLAY_NAME,
|
|
||||||
g_param_spec_string ("display_name", "Display", "X Display Name", NULL,
|
|
||||||
G_PARAM_READWRITE));
|
|
||||||
g_object_class_install_property (gc, PROP_SCREEN_NUM,
|
|
||||||
g_param_spec_uint ("screen_num", "Screen number", "X Screen Number",
|
|
||||||
0, G_MAXINT, 0, G_PARAM_READWRITE));
|
|
||||||
g_object_class_install_property (gc, PROP_SHOW_POINTER,
|
|
||||||
g_param_spec_boolean ("show_pointer", "Show Mouse Pointer",
|
|
||||||
"Show mouse pointer (if XFixes extension enabled)", TRUE,
|
|
||||||
G_PARAM_READWRITE));
|
|
||||||
|
|
||||||
parent_class = g_type_class_peek_parent (klass);
|
|
||||||
|
|
||||||
push_class->create = gst_ximage_src_create;
|
|
||||||
bc->get_caps = gst_ximage_src_get_caps;
|
|
||||||
bc->set_caps = gst_ximage_src_set_caps;
|
|
||||||
bc->start = gst_ximage_src_start;
|
|
||||||
bc->stop = gst_ximage_src_stop;
|
|
||||||
bc->unlock = gst_ximage_src_unlock;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_ximage_src_init (GstXImageSrc * ximagesrc, GstXImageSrcClass * klass)
|
|
||||||
{
|
|
||||||
gst_base_src_set_live (GST_BASE_SRC (ximagesrc), TRUE);
|
|
||||||
gst_pad_set_fixatecaps_function (GST_BASE_SRC_PAD (ximagesrc),
|
|
||||||
gst_ximage_src_fixate);
|
|
||||||
|
|
||||||
ximagesrc->pool_lock = g_mutex_new ();
|
|
||||||
ximagesrc->x_lock = g_mutex_new ();
|
|
||||||
ximagesrc->show_pointer = TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
static gboolean
|
|
||||||
plugin_init (GstPlugin * plugin)
|
|
||||||
{
|
|
||||||
gboolean ret;
|
|
||||||
|
|
||||||
GST_DEBUG_CATEGORY_INIT (gst_debug_ximage_src, "ximagesrc", 0,
|
|
||||||
"ximagesrc element debug");
|
|
||||||
|
|
||||||
ret = gst_element_register (plugin, "ximagesrc", GST_RANK_NONE,
|
|
||||||
GST_TYPE_XIMAGE_SRC);
|
|
||||||
|
|
||||||
return ret;
|
|
||||||
}
|
|
||||||
|
|
||||||
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
||||||
GST_VERSION_MINOR,
|
|
||||||
"ximagesrc",
|
|
||||||
"X11 video input plugin using standard Xlib calls",
|
|
||||||
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
|
|
|
@ -1,97 +0,0 @@
|
||||||
/* screenshotsrc: Screenshot plugin for GStreamer
|
|
||||||
*
|
|
||||||
* 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.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifndef __GST_XIMAGE_SRC_H__
|
|
||||||
#define __GST_XIMAGE_SRC_H__
|
|
||||||
|
|
||||||
#include <gst/gst.h>
|
|
||||||
#include <gst/base/gstpushsrc.h>
|
|
||||||
#include "ximageutil.h"
|
|
||||||
|
|
||||||
#ifdef HAVE_XFIXES
|
|
||||||
#include <X11/extensions/Xfixes.h>
|
|
||||||
#endif
|
|
||||||
#ifdef HAVE_XDAMAGE
|
|
||||||
#include <X11/extensions/Xdamage.h>
|
|
||||||
#endif
|
|
||||||
|
|
||||||
G_BEGIN_DECLS
|
|
||||||
|
|
||||||
#define GST_TYPE_XIMAGE_SRC (gst_ximage_src_get_type())
|
|
||||||
#define GST_XIMAGE_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_XIMAGE_SRC,GstXImageSrc))
|
|
||||||
#define GST_XIMAGE_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_XIMAGE_SRC,GstXImageSrc))
|
|
||||||
#define GST_IS_XIMAGE_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_XIMAGE_SRC))
|
|
||||||
#define GST_IS_XIMAGE_SRC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_XIMAGE_SRC))
|
|
||||||
|
|
||||||
typedef struct _GstXImageSrc GstXImageSrc;
|
|
||||||
typedef struct _GstXImageSrcClass GstXImageSrcClass;
|
|
||||||
|
|
||||||
GType gst_ximage_src_get_type (void) G_GNUC_CONST;
|
|
||||||
|
|
||||||
struct _GstXImageSrc
|
|
||||||
{
|
|
||||||
GstPushSrc parent;
|
|
||||||
|
|
||||||
/* Information on display */
|
|
||||||
GstXContext *xcontext;
|
|
||||||
gint width;
|
|
||||||
gint height;
|
|
||||||
|
|
||||||
Window xwindow;
|
|
||||||
gchar *display_name;
|
|
||||||
guint screen_num;
|
|
||||||
|
|
||||||
/* Desired output framerate */
|
|
||||||
gint fps_n;
|
|
||||||
gint fps_d;
|
|
||||||
|
|
||||||
/* for framerate sync */
|
|
||||||
GstClockID clock_id;
|
|
||||||
gint64 last_frame_no;
|
|
||||||
|
|
||||||
/* Protect X Windows calls */
|
|
||||||
GMutex *x_lock;
|
|
||||||
|
|
||||||
/* Gathered pool of emitted buffers */
|
|
||||||
GMutex *pool_lock;
|
|
||||||
GSList *buffer_pool;
|
|
||||||
|
|
||||||
/* XFixes and XDamage support */
|
|
||||||
gboolean have_xfixes;
|
|
||||||
gboolean have_xdamage;
|
|
||||||
gboolean show_pointer;
|
|
||||||
#ifdef HAVE_XFIXES
|
|
||||||
int fixes_event_base;
|
|
||||||
XFixesCursorImage *cursor_image;
|
|
||||||
#endif
|
|
||||||
#ifdef HAVE_XDAMAGE
|
|
||||||
Damage damage;
|
|
||||||
int damage_event_base;
|
|
||||||
XserverRegion damage_region;
|
|
||||||
GC damage_copy_gc;
|
|
||||||
#endif
|
|
||||||
};
|
|
||||||
|
|
||||||
struct _GstXImageSrcClass
|
|
||||||
{
|
|
||||||
GstPushSrcClass parent_class;
|
|
||||||
};
|
|
||||||
|
|
||||||
G_END_DECLS
|
|
||||||
|
|
||||||
#endif /* __GST_XIMAGE_SRC_H__ */
|
|
|
@ -1,481 +0,0 @@
|
||||||
/* GStreamer
|
|
||||||
* Copyright (C) <2005> Luca Ognibene <luogni@tin.it>
|
|
||||||
*
|
|
||||||
* 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 "ximageutil.h"
|
|
||||||
|
|
||||||
#ifdef HAVE_XSHM
|
|
||||||
static gboolean error_caught = FALSE;
|
|
||||||
|
|
||||||
static int
|
|
||||||
ximageutil_handle_xerror (Display * display, XErrorEvent * xevent)
|
|
||||||
{
|
|
||||||
char error_msg[1024];
|
|
||||||
|
|
||||||
XGetErrorText (display, xevent->error_code, error_msg, 1024);
|
|
||||||
GST_DEBUG ("ximageutil failed to use XShm calls. error: %s", error_msg);
|
|
||||||
error_caught = TRUE;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* This function checks that it is actually really possible to create an image
|
|
||||||
using XShm */
|
|
||||||
gboolean
|
|
||||||
ximageutil_check_xshm_calls (GstXContext * xcontext)
|
|
||||||
{
|
|
||||||
XImage *ximage;
|
|
||||||
XShmSegmentInfo SHMInfo;
|
|
||||||
size_t size;
|
|
||||||
int (*handler) (Display *, XErrorEvent *);
|
|
||||||
gboolean result = FALSE;
|
|
||||||
gboolean did_attach = FALSE;
|
|
||||||
|
|
||||||
g_return_val_if_fail (xcontext != NULL, FALSE);
|
|
||||||
|
|
||||||
/* Sync to ensure any older errors are already processed */
|
|
||||||
XSync (xcontext->disp, FALSE);
|
|
||||||
|
|
||||||
/* Set defaults so we don't free these later unnecessarily */
|
|
||||||
SHMInfo.shmaddr = ((void *) -1);
|
|
||||||
SHMInfo.shmid = -1;
|
|
||||||
|
|
||||||
/* Setting an error handler to catch failure */
|
|
||||||
error_caught = FALSE;
|
|
||||||
handler = XSetErrorHandler (ximageutil_handle_xerror);
|
|
||||||
|
|
||||||
/* Trying to create a 1x1 ximage */
|
|
||||||
GST_DEBUG ("XShmCreateImage of 1x1");
|
|
||||||
|
|
||||||
ximage = XShmCreateImage (xcontext->disp, xcontext->visual,
|
|
||||||
xcontext->depth, ZPixmap, NULL, &SHMInfo, 1, 1);
|
|
||||||
|
|
||||||
/* Might cause an error, sync to ensure it is noticed */
|
|
||||||
XSync (xcontext->disp, FALSE);
|
|
||||||
if (!ximage || error_caught) {
|
|
||||||
GST_WARNING ("could not XShmCreateImage a 1x1 image");
|
|
||||||
goto beach;
|
|
||||||
}
|
|
||||||
size = ximage->height * ximage->bytes_per_line;
|
|
||||||
|
|
||||||
SHMInfo.shmid = shmget (IPC_PRIVATE, size, IPC_CREAT | 0777);
|
|
||||||
if (SHMInfo.shmid == -1) {
|
|
||||||
GST_WARNING ("could not get shared memory of %d bytes", size);
|
|
||||||
goto beach;
|
|
||||||
}
|
|
||||||
|
|
||||||
SHMInfo.shmaddr = shmat (SHMInfo.shmid, 0, 0);
|
|
||||||
if (SHMInfo.shmaddr == ((void *) -1)) {
|
|
||||||
GST_WARNING ("Failed to shmat: %s", g_strerror (errno));
|
|
||||||
goto beach;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Delete the SHM segment. It will actually go away automatically
|
|
||||||
* when we detach now */
|
|
||||||
shmctl (SHMInfo.shmid, IPC_RMID, 0);
|
|
||||||
|
|
||||||
ximage->data = SHMInfo.shmaddr;
|
|
||||||
SHMInfo.readOnly = FALSE;
|
|
||||||
|
|
||||||
if (XShmAttach (xcontext->disp, &SHMInfo) == 0) {
|
|
||||||
GST_WARNING ("Failed to XShmAttach");
|
|
||||||
goto beach;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Sync to ensure we see any errors we caused */
|
|
||||||
XSync (xcontext->disp, FALSE);
|
|
||||||
|
|
||||||
if (!error_caught) {
|
|
||||||
did_attach = TRUE;
|
|
||||||
/* store whether we succeeded in result */
|
|
||||||
result = TRUE;
|
|
||||||
}
|
|
||||||
beach:
|
|
||||||
/* Sync to ensure we swallow any errors we caused and reset error_caught */
|
|
||||||
XSync (xcontext->disp, FALSE);
|
|
||||||
error_caught = FALSE;
|
|
||||||
XSetErrorHandler (handler);
|
|
||||||
|
|
||||||
if (did_attach) {
|
|
||||||
XShmDetach (xcontext->disp, &SHMInfo);
|
|
||||||
XSync (xcontext->disp, FALSE);
|
|
||||||
}
|
|
||||||
if (SHMInfo.shmaddr != ((void *) -1))
|
|
||||||
shmdt (SHMInfo.shmaddr);
|
|
||||||
if (ximage)
|
|
||||||
XDestroyImage (ximage);
|
|
||||||
return result;
|
|
||||||
}
|
|
||||||
#endif /* HAVE_XSHM */
|
|
||||||
|
|
||||||
/* This function gets the X Display and global info about it. Everything is
|
|
||||||
stored in our object and will be cleaned when the object is disposed. Note
|
|
||||||
here that caps for supported format are generated without any window or
|
|
||||||
image creation */
|
|
||||||
GstXContext *
|
|
||||||
ximageutil_xcontext_get (GstElement * parent, const gchar * display_name)
|
|
||||||
{
|
|
||||||
GstXContext *xcontext = NULL;
|
|
||||||
XPixmapFormatValues *px_formats = NULL;
|
|
||||||
gint nb_formats = 0, i;
|
|
||||||
|
|
||||||
xcontext = g_new0 (GstXContext, 1);
|
|
||||||
|
|
||||||
xcontext->disp = XOpenDisplay (display_name);
|
|
||||||
GST_DEBUG_OBJECT (parent, "opened display 0x%x", xcontext->disp);
|
|
||||||
if (!xcontext->disp) {
|
|
||||||
g_free (xcontext);
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
xcontext->screen = DefaultScreenOfDisplay (xcontext->disp);
|
|
||||||
xcontext->screen_num = DefaultScreen (xcontext->disp);
|
|
||||||
xcontext->visual = DefaultVisual (xcontext->disp, xcontext->screen_num);
|
|
||||||
xcontext->root = DefaultRootWindow (xcontext->disp);
|
|
||||||
xcontext->white = XWhitePixel (xcontext->disp, xcontext->screen_num);
|
|
||||||
xcontext->black = XBlackPixel (xcontext->disp, xcontext->screen_num);
|
|
||||||
xcontext->depth = DefaultDepthOfScreen (xcontext->screen);
|
|
||||||
|
|
||||||
xcontext->width = DisplayWidth (xcontext->disp, xcontext->screen_num);
|
|
||||||
xcontext->height = DisplayHeight (xcontext->disp, xcontext->screen_num);
|
|
||||||
|
|
||||||
xcontext->widthmm = DisplayWidthMM (xcontext->disp, xcontext->screen_num);
|
|
||||||
xcontext->heightmm = DisplayHeightMM (xcontext->disp, xcontext->screen_num);
|
|
||||||
|
|
||||||
xcontext->caps = NULL;
|
|
||||||
|
|
||||||
GST_DEBUG_OBJECT (parent, "X reports %dx%d pixels and %d mm x %d mm",
|
|
||||||
xcontext->width, xcontext->height, xcontext->widthmm, xcontext->heightmm);
|
|
||||||
ximageutil_calculate_pixel_aspect_ratio (xcontext);
|
|
||||||
|
|
||||||
/* We get supported pixmap formats at supported depth */
|
|
||||||
px_formats = XListPixmapFormats (xcontext->disp, &nb_formats);
|
|
||||||
|
|
||||||
if (!px_formats) {
|
|
||||||
XCloseDisplay (xcontext->disp);
|
|
||||||
g_free (xcontext);
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* We get bpp value corresponding to our running depth */
|
|
||||||
for (i = 0; i < nb_formats; i++) {
|
|
||||||
if (px_formats[i].depth == xcontext->depth)
|
|
||||||
xcontext->bpp = px_formats[i].bits_per_pixel;
|
|
||||||
}
|
|
||||||
|
|
||||||
XFree (px_formats);
|
|
||||||
|
|
||||||
xcontext->endianness =
|
|
||||||
(ImageByteOrder (xcontext->disp) ==
|
|
||||||
LSBFirst) ? G_LITTLE_ENDIAN : G_BIG_ENDIAN;
|
|
||||||
|
|
||||||
#ifdef HAVE_XSHM
|
|
||||||
/* Search for XShm extension support */
|
|
||||||
if (XShmQueryExtension (xcontext->disp) &&
|
|
||||||
ximageutil_check_xshm_calls (xcontext)) {
|
|
||||||
xcontext->use_xshm = TRUE;
|
|
||||||
GST_DEBUG ("ximageutil is using XShm extension");
|
|
||||||
} else {
|
|
||||||
xcontext->use_xshm = FALSE;
|
|
||||||
GST_DEBUG ("ximageutil is not using XShm extension");
|
|
||||||
}
|
|
||||||
#endif /* HAVE_XSHM */
|
|
||||||
|
|
||||||
/* our caps system handles 24/32bpp RGB as big-endian. */
|
|
||||||
if ((xcontext->bpp == 24 || xcontext->bpp == 32) &&
|
|
||||||
xcontext->endianness == G_LITTLE_ENDIAN) {
|
|
||||||
xcontext->endianness = G_BIG_ENDIAN;
|
|
||||||
xcontext->r_mask_output = GUINT32_TO_BE (xcontext->visual->red_mask);
|
|
||||||
xcontext->g_mask_output = GUINT32_TO_BE (xcontext->visual->green_mask);
|
|
||||||
xcontext->b_mask_output = GUINT32_TO_BE (xcontext->visual->blue_mask);
|
|
||||||
if (xcontext->bpp == 24) {
|
|
||||||
xcontext->r_mask_output >>= 8;
|
|
||||||
xcontext->g_mask_output >>= 8;
|
|
||||||
xcontext->b_mask_output >>= 8;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return xcontext;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* This function cleans the X context. Closing the Display and unrefing the
|
|
||||||
caps for supported formats. */
|
|
||||||
void
|
|
||||||
ximageutil_xcontext_clear (GstXContext * xcontext)
|
|
||||||
{
|
|
||||||
g_return_if_fail (xcontext != NULL);
|
|
||||||
|
|
||||||
if (xcontext->caps != NULL)
|
|
||||||
gst_caps_unref (xcontext->caps);
|
|
||||||
|
|
||||||
if (xcontext->par) {
|
|
||||||
g_value_unset (xcontext->par);
|
|
||||||
g_free (xcontext->par);
|
|
||||||
}
|
|
||||||
|
|
||||||
XCloseDisplay (xcontext->disp);
|
|
||||||
|
|
||||||
g_free (xcontext);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* This function calculates the pixel aspect ratio based on the properties
|
|
||||||
* in the xcontext structure and stores it there. */
|
|
||||||
void
|
|
||||||
ximageutil_calculate_pixel_aspect_ratio (GstXContext * xcontext)
|
|
||||||
{
|
|
||||||
gint par[][2] = {
|
|
||||||
{1, 1}, /* regular screen */
|
|
||||||
{16, 15}, /* PAL TV */
|
|
||||||
{11, 10}, /* 525 line Rec.601 video */
|
|
||||||
{54, 59} /* 625 line Rec.601 video */
|
|
||||||
};
|
|
||||||
gint i;
|
|
||||||
gint index;
|
|
||||||
gdouble ratio;
|
|
||||||
gdouble delta;
|
|
||||||
|
|
||||||
#define DELTA(idx) (ABS (ratio - ((gdouble) par[idx][0] / par[idx][1])))
|
|
||||||
|
|
||||||
/* first calculate the "real" ratio based on the X values;
|
|
||||||
* which is the "physical" w/h divided by the w/h in pixels of the display */
|
|
||||||
ratio = (gdouble) (xcontext->widthmm * xcontext->height)
|
|
||||||
/ (xcontext->heightmm * xcontext->width);
|
|
||||||
|
|
||||||
/* DirectFB's X in 720x576 reports the physical dimensions wrong, so
|
|
||||||
* override here */
|
|
||||||
if (xcontext->width == 720 && xcontext->height == 576) {
|
|
||||||
ratio = 4.0 * 576 / (3.0 * 720);
|
|
||||||
}
|
|
||||||
GST_DEBUG ("calculated pixel aspect ratio: %f", ratio);
|
|
||||||
|
|
||||||
/* now find the one from par[][2] with the lowest delta to the real one */
|
|
||||||
delta = DELTA (0);
|
|
||||||
index = 0;
|
|
||||||
|
|
||||||
for (i = 1; i < sizeof (par) / (sizeof (gint) * 2); ++i) {
|
|
||||||
gdouble this_delta = DELTA (i);
|
|
||||||
|
|
||||||
if (this_delta < delta) {
|
|
||||||
index = i;
|
|
||||||
delta = this_delta;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
GST_DEBUG ("Decided on index %d (%d/%d)", index,
|
|
||||||
par[index][0], par[index][1]);
|
|
||||||
|
|
||||||
if (xcontext->par)
|
|
||||||
g_free (xcontext->par);
|
|
||||||
xcontext->par = g_new0 (GValue, 1);
|
|
||||||
g_value_init (xcontext->par, GST_TYPE_FRACTION);
|
|
||||||
gst_value_set_fraction (xcontext->par, par[index][0], par[index][1]);
|
|
||||||
GST_DEBUG ("set xcontext PAR to %d/%d\n",
|
|
||||||
gst_value_get_fraction_numerator (xcontext->par),
|
|
||||||
gst_value_get_fraction_denominator (xcontext->par));
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_ximagesrc_buffer_finalize (GstXImageSrcBuffer * ximage)
|
|
||||||
{
|
|
||||||
GstElement *parent;
|
|
||||||
|
|
||||||
g_return_if_fail (ximage != NULL);
|
|
||||||
|
|
||||||
parent = ximage->parent;
|
|
||||||
if (parent == NULL) {
|
|
||||||
g_warning ("XImageSrcBuffer->ximagesrc == NULL");
|
|
||||||
goto beach;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (ximage->return_func)
|
|
||||||
ximage->return_func (parent, ximage);
|
|
||||||
|
|
||||||
beach:
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
void
|
|
||||||
gst_ximage_buffer_free (GstXImageSrcBuffer * ximage)
|
|
||||||
{
|
|
||||||
/* make sure it is not recycled */
|
|
||||||
ximage->width = -1;
|
|
||||||
ximage->height = -1;
|
|
||||||
gst_buffer_unref (GST_BUFFER (ximage));
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_ximagesrc_buffer_init (GstXImageSrcBuffer * ximage_buffer, gpointer g_class)
|
|
||||||
{
|
|
||||||
#ifdef HAVE_XSHM
|
|
||||||
ximage_buffer->SHMInfo.shmaddr = ((void *) -1);
|
|
||||||
ximage_buffer->SHMInfo.shmid = -1;
|
|
||||||
#endif
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_ximagesrc_buffer_class_init (gpointer g_class, gpointer class_data)
|
|
||||||
{
|
|
||||||
GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class);
|
|
||||||
|
|
||||||
mini_object_class->finalize = (GstMiniObjectFinalizeFunction)
|
|
||||||
gst_ximagesrc_buffer_finalize;
|
|
||||||
}
|
|
||||||
|
|
||||||
GType
|
|
||||||
gst_ximagesrc_buffer_get_type (void)
|
|
||||||
{
|
|
||||||
static GType _gst_ximagesrc_buffer_type;
|
|
||||||
|
|
||||||
if (G_UNLIKELY (_gst_ximagesrc_buffer_type == 0)) {
|
|
||||||
static const GTypeInfo ximagesrc_buffer_info = {
|
|
||||||
sizeof (GstBufferClass),
|
|
||||||
NULL,
|
|
||||||
NULL,
|
|
||||||
gst_ximagesrc_buffer_class_init,
|
|
||||||
NULL,
|
|
||||||
NULL,
|
|
||||||
sizeof (GstXImageSrcBuffer),
|
|
||||||
0,
|
|
||||||
(GInstanceInitFunc) gst_ximagesrc_buffer_init,
|
|
||||||
NULL
|
|
||||||
};
|
|
||||||
_gst_ximagesrc_buffer_type = g_type_register_static (GST_TYPE_BUFFER,
|
|
||||||
"GstXImageSrcBuffer", &ximagesrc_buffer_info, 0);
|
|
||||||
}
|
|
||||||
return _gst_ximagesrc_buffer_type;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* This function handles GstXImageSrcBuffer creation depending on XShm availability */
|
|
||||||
GstXImageSrcBuffer *
|
|
||||||
gst_ximageutil_ximage_new (GstXContext * xcontext,
|
|
||||||
GstElement * parent, int width, int height, BufferReturnFunc return_func)
|
|
||||||
{
|
|
||||||
GstXImageSrcBuffer *ximage = NULL;
|
|
||||||
gboolean succeeded = FALSE;
|
|
||||||
|
|
||||||
ximage =
|
|
||||||
(GstXImageSrcBuffer *) gst_mini_object_new (GST_TYPE_XIMAGESRC_BUFFER);
|
|
||||||
|
|
||||||
ximage->width = width;
|
|
||||||
ximage->height = height;
|
|
||||||
|
|
||||||
#ifdef HAVE_XSHM
|
|
||||||
if (xcontext->use_xshm) {
|
|
||||||
ximage->ximage = XShmCreateImage (xcontext->disp,
|
|
||||||
xcontext->visual, xcontext->depth,
|
|
||||||
ZPixmap, NULL, &ximage->SHMInfo, ximage->width, ximage->height);
|
|
||||||
if (!ximage->ximage) {
|
|
||||||
goto beach;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* we have to use the returned bytes_per_line for our shm size */
|
|
||||||
ximage->size = ximage->ximage->bytes_per_line * ximage->ximage->height;
|
|
||||||
ximage->SHMInfo.shmid = shmget (IPC_PRIVATE, ximage->size,
|
|
||||||
IPC_CREAT | 0777);
|
|
||||||
if (ximage->SHMInfo.shmid == -1)
|
|
||||||
goto beach;
|
|
||||||
|
|
||||||
ximage->SHMInfo.shmaddr = shmat (ximage->SHMInfo.shmid, 0, 0);
|
|
||||||
if (ximage->SHMInfo.shmaddr == ((void *) -1))
|
|
||||||
goto beach;
|
|
||||||
|
|
||||||
/* Delete the SHM segment. It will actually go away automatically
|
|
||||||
* when we detach now */
|
|
||||||
shmctl (ximage->SHMInfo.shmid, IPC_RMID, 0);
|
|
||||||
|
|
||||||
ximage->ximage->data = ximage->SHMInfo.shmaddr;
|
|
||||||
ximage->SHMInfo.readOnly = FALSE;
|
|
||||||
|
|
||||||
if (XShmAttach (xcontext->disp, &ximage->SHMInfo) == 0)
|
|
||||||
goto beach;
|
|
||||||
|
|
||||||
XSync (xcontext->disp, FALSE);
|
|
||||||
} else
|
|
||||||
#endif /* HAVE_XSHM */
|
|
||||||
{
|
|
||||||
ximage->ximage = XCreateImage (xcontext->disp,
|
|
||||||
xcontext->visual,
|
|
||||||
xcontext->depth,
|
|
||||||
ZPixmap, 0, NULL, ximage->width, ximage->height, xcontext->bpp, 0);
|
|
||||||
if (!ximage->ximage)
|
|
||||||
goto beach;
|
|
||||||
|
|
||||||
/* we have to use the returned bytes_per_line for our image size */
|
|
||||||
ximage->size = ximage->ximage->bytes_per_line * ximage->ximage->height;
|
|
||||||
ximage->ximage->data = g_malloc (ximage->size);
|
|
||||||
|
|
||||||
XSync (xcontext->disp, FALSE);
|
|
||||||
}
|
|
||||||
succeeded = TRUE;
|
|
||||||
|
|
||||||
GST_BUFFER_DATA (ximage) = (guchar *) ximage->ximage->data;
|
|
||||||
GST_BUFFER_SIZE (ximage) = ximage->size;
|
|
||||||
|
|
||||||
/* Keep a ref to our src */
|
|
||||||
ximage->parent = gst_object_ref (parent);
|
|
||||||
ximage->return_func = return_func;
|
|
||||||
beach:
|
|
||||||
if (!succeeded) {
|
|
||||||
gst_ximage_buffer_free (ximage);
|
|
||||||
ximage = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
return ximage;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* This function destroys a GstXImageBuffer handling XShm availability */
|
|
||||||
void
|
|
||||||
gst_ximageutil_ximage_destroy (GstXContext * xcontext,
|
|
||||||
GstXImageSrcBuffer * ximage)
|
|
||||||
{
|
|
||||||
/* We might have some buffers destroyed after changing state to NULL */
|
|
||||||
if (!xcontext)
|
|
||||||
goto beach;
|
|
||||||
|
|
||||||
g_return_if_fail (ximage != NULL);
|
|
||||||
|
|
||||||
#ifdef HAVE_XSHM
|
|
||||||
if (xcontext->use_xshm) {
|
|
||||||
if (ximage->SHMInfo.shmaddr != ((void *) -1)) {
|
|
||||||
XShmDetach (xcontext->disp, &ximage->SHMInfo);
|
|
||||||
XSync (xcontext->disp, 0);
|
|
||||||
shmdt (ximage->SHMInfo.shmaddr);
|
|
||||||
}
|
|
||||||
if (ximage->ximage)
|
|
||||||
XDestroyImage (ximage->ximage);
|
|
||||||
|
|
||||||
} else
|
|
||||||
#endif /* HAVE_XSHM */
|
|
||||||
{
|
|
||||||
if (ximage->ximage) {
|
|
||||||
XDestroyImage (ximage->ximage);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
XSync (xcontext->disp, FALSE);
|
|
||||||
beach:
|
|
||||||
if (ximage->parent) {
|
|
||||||
/* Release the ref to our parent */
|
|
||||||
gst_object_unref (ximage->parent);
|
|
||||||
ximage->parent = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
return;
|
|
||||||
}
|
|
|
@ -1,182 +0,0 @@
|
||||||
/* GStreamer
|
|
||||||
* Copyright (C) <2005> Luca Ognibene <luogni@tin.it>
|
|
||||||
*
|
|
||||||
* 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.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifndef __GST_XIMAGEUTIL_H__
|
|
||||||
#define __GST_XIMAGEUTIL_H__
|
|
||||||
|
|
||||||
#include <gst/gst.h>
|
|
||||||
|
|
||||||
#ifdef HAVE_XSHM
|
|
||||||
#include <sys/types.h>
|
|
||||||
#include <sys/ipc.h>
|
|
||||||
#include <sys/shm.h>
|
|
||||||
#endif /* HAVE_XSHM */
|
|
||||||
|
|
||||||
#include <X11/Xlib.h>
|
|
||||||
#include <X11/Xutil.h>
|
|
||||||
|
|
||||||
#ifdef HAVE_XSHM
|
|
||||||
#include <X11/extensions/XShm.h>
|
|
||||||
#endif /* HAVE_XSHM */
|
|
||||||
|
|
||||||
#include <string.h>
|
|
||||||
#include <math.h>
|
|
||||||
|
|
||||||
G_BEGIN_DECLS
|
|
||||||
|
|
||||||
typedef struct _GstXContext GstXContext;
|
|
||||||
typedef struct _GstXWindow GstXWindow;
|
|
||||||
typedef struct _GstXImage GstXImage;
|
|
||||||
typedef struct _GstXImageSrcBuffer GstXImageSrcBuffer;
|
|
||||||
|
|
||||||
/* Global X Context stuff */
|
|
||||||
/**
|
|
||||||
* GstXContext:
|
|
||||||
* @disp: the X11 Display of this context
|
|
||||||
* @screen: the default Screen of Display @disp
|
|
||||||
* @screen_num: the Screen number of @screen
|
|
||||||
* @visual: the default Visual of Screen @screen
|
|
||||||
* @root: the root Window of Display @disp
|
|
||||||
* @white: the value of a white pixel on Screen @screen
|
|
||||||
* @black: the value of a black pixel on Screen @screen
|
|
||||||
* @depth: the color depth of Display @disp
|
|
||||||
* @bpp: the number of bits per pixel on Display @disp
|
|
||||||
* @endianness: the endianness of image bytes on Display @disp
|
|
||||||
* @width: the width in pixels of Display @disp
|
|
||||||
* @height: the height in pixels of Display @disp
|
|
||||||
* @widthmm: the width in millimeters of Display @disp
|
|
||||||
* @heightmm: the height in millimeters of Display @disp
|
|
||||||
* @par: the pixel aspect ratio calculated from @width, @widthmm and @height,
|
|
||||||
* @heightmm ratio
|
|
||||||
* @use_xshm: used to known wether of not XShm extension is usable or not even
|
|
||||||
* if the Extension is present
|
|
||||||
* @caps: the #GstCaps that Display @disp can accept
|
|
||||||
*
|
|
||||||
* Structure used to store various informations collected/calculated for a
|
|
||||||
* Display.
|
|
||||||
*/
|
|
||||||
struct _GstXContext {
|
|
||||||
Display *disp;
|
|
||||||
|
|
||||||
Screen *screen;
|
|
||||||
gint screen_num;
|
|
||||||
|
|
||||||
Visual *visual;
|
|
||||||
|
|
||||||
Window root;
|
|
||||||
|
|
||||||
gulong white, black;
|
|
||||||
|
|
||||||
gint depth;
|
|
||||||
gint bpp;
|
|
||||||
gint endianness;
|
|
||||||
|
|
||||||
gint width, height;
|
|
||||||
gint widthmm, heightmm;
|
|
||||||
|
|
||||||
/* these are the output masks
|
|
||||||
* for buffers from ximagesrc
|
|
||||||
* and are in big endian */
|
|
||||||
guint32 r_mask_output, g_mask_output, b_mask_output;
|
|
||||||
|
|
||||||
GValue *par; /* calculated pixel aspect ratio */
|
|
||||||
|
|
||||||
gboolean use_xshm;
|
|
||||||
|
|
||||||
GstCaps *caps;
|
|
||||||
};
|
|
||||||
|
|
||||||
/**
|
|
||||||
* GstXWindow:
|
|
||||||
* @win: the Window ID of this X11 window
|
|
||||||
* @width: the width in pixels of Window @win
|
|
||||||
* @height: the height in pixels of Window @win
|
|
||||||
* @internal: used to remember if Window @win was created internally or passed
|
|
||||||
* through the #GstXOverlay interface
|
|
||||||
* @gc: the Graphical Context of Window @win
|
|
||||||
*
|
|
||||||
* Structure used to store informations about a Window.
|
|
||||||
*/
|
|
||||||
struct _GstXWindow {
|
|
||||||
Window win;
|
|
||||||
gint width, height;
|
|
||||||
gboolean internal;
|
|
||||||
GC gc;
|
|
||||||
};
|
|
||||||
|
|
||||||
gboolean ximageutil_check_xshm_calls (GstXContext * xcontext);
|
|
||||||
|
|
||||||
GstXContext *ximageutil_xcontext_get (GstElement *parent,
|
|
||||||
const gchar *display_name);
|
|
||||||
void ximageutil_xcontext_clear (GstXContext *xcontext);
|
|
||||||
void ximageutil_calculate_pixel_aspect_ratio (GstXContext * xcontext);
|
|
||||||
|
|
||||||
/* custom ximagesrc buffer, copied from ximagesink */
|
|
||||||
|
|
||||||
/* BufferReturnFunc is called when a buffer is finalised */
|
|
||||||
typedef void (*BufferReturnFunc) (GstElement *parent, GstXImageSrcBuffer *buf);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* GstXImageSrcBuffer:
|
|
||||||
* @parent: a reference to the element we belong to
|
|
||||||
* @ximage: the XImage of this buffer
|
|
||||||
* @width: the width in pixels of XImage @ximage
|
|
||||||
* @height: the height in pixels of XImage @ximage
|
|
||||||
* @size: the size in bytes of XImage @ximage
|
|
||||||
*
|
|
||||||
* Subclass of #GstBuffer containing additional information about an XImage.
|
|
||||||
*/
|
|
||||||
struct _GstXImageSrcBuffer {
|
|
||||||
GstBuffer buffer;
|
|
||||||
|
|
||||||
/* Reference to the ximagesrc we belong to */
|
|
||||||
GstElement *parent;
|
|
||||||
|
|
||||||
XImage *ximage;
|
|
||||||
|
|
||||||
#ifdef HAVE_XSHM
|
|
||||||
XShmSegmentInfo SHMInfo;
|
|
||||||
#endif /* HAVE_XSHM */
|
|
||||||
|
|
||||||
gint width, height;
|
|
||||||
size_t size;
|
|
||||||
|
|
||||||
BufferReturnFunc return_func;
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
GstXImageSrcBuffer *gst_ximageutil_ximage_new (GstXContext *xcontext,
|
|
||||||
GstElement *parent, int width, int height, BufferReturnFunc return_func);
|
|
||||||
|
|
||||||
void gst_ximageutil_ximage_destroy (GstXContext *xcontext,
|
|
||||||
GstXImageSrcBuffer * ximage);
|
|
||||||
|
|
||||||
/* Call to manually release a buffer */
|
|
||||||
void gst_ximage_buffer_free (GstXImageSrcBuffer *ximage);
|
|
||||||
|
|
||||||
#define GST_TYPE_XIMAGESRC_BUFFER (gst_ximagesrc_buffer_get_type())
|
|
||||||
#define GST_IS_XIMAGESRC_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_XIMAGESRC_BUFFER))
|
|
||||||
#define GST_IS_XIMAGESRC_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_XIMAGESRC_BUFFER))
|
|
||||||
#define GST_XIMAGESRC_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_XIMAGESRC_BUFFER, GstXImageSrcBuffer))
|
|
||||||
#define GST_XIMAGESRC_BUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_XIMAGESRC_BUFFER, GstXImageSrcBufferClass))
|
|
||||||
#define GST_XIMAGESRC_BUFFER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_XIMAGESRC_BUFFER, GstXImageSrcBufferClass))
|
|
||||||
|
|
||||||
G_END_DECLS
|
|
||||||
|
|
||||||
#endif /* __GST_XIMAGEUTIL_H__ */
|
|
|
@ -4,16 +4,8 @@ else
|
||||||
SUBDIRS_CHECK =
|
SUBDIRS_CHECK =
|
||||||
endif
|
endif
|
||||||
|
|
||||||
if USE_X
|
SUBDIRS = icles \
|
||||||
SUBDIRS_ICLES = icles
|
$(SUBDIRS_CHECK)
|
||||||
else
|
|
||||||
SUBDIRS_ICLES =
|
|
||||||
endif
|
|
||||||
|
|
||||||
SUBDIRS = \
|
DIST_SUBDIRS = icles \
|
||||||
$(SUBDIRS_CHECK) \
|
check
|
||||||
$(SUBDIRS_ICLES)
|
|
||||||
|
|
||||||
DIST_SUBDIRS = \
|
|
||||||
check \
|
|
||||||
icles
|
|
||||||
|
|
1
tests/icles/.gitignore
vendored
1
tests/icles/.gitignore
vendored
|
@ -1 +0,0 @@
|
||||||
ximagesrc-test
|
|
|
@ -1,12 +0,0 @@
|
||||||
if USE_X
|
|
||||||
X_TESTS = ximagesrc-test
|
|
||||||
|
|
||||||
ximagesrc_test_SOURCES = ximagesrc-test.c
|
|
||||||
ximagesrc_test_CFLAGS = $(GST_CFLAGS)
|
|
||||||
ximagesrc_test_LDFLAGS = $(GST_LIBS)
|
|
||||||
else
|
|
||||||
X_TESTS =
|
|
||||||
endif
|
|
||||||
|
|
||||||
noinst_PROGRAMS = $(X_TESTS)
|
|
||||||
|
|
|
@ -1,71 +0,0 @@
|
||||||
/* GStreamer
|
|
||||||
* Copyright (C) <2006> Zaheer Abbas Merali <zaheerabbas at merali dot 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>
|
|
||||||
|
|
||||||
static GMainLoop *loop;
|
|
||||||
|
|
||||||
static gboolean
|
|
||||||
terminate_playback (GstElement * pipeline)
|
|
||||||
{
|
|
||||||
g_print ("Terminating playback\n");
|
|
||||||
g_main_loop_quit (loop);
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
int
|
|
||||||
main (int argc, char **argv)
|
|
||||||
{
|
|
||||||
GstElement *pipeline;
|
|
||||||
GstBus *bus;
|
|
||||||
GstState state, pending;
|
|
||||||
GError *error = NULL;
|
|
||||||
|
|
||||||
gst_init (&argc, &argv);
|
|
||||||
|
|
||||||
pipeline = gst_parse_launch ("ximagesrc ! fakesink", &error);
|
|
||||||
if (error) {
|
|
||||||
g_print ("Error while parsing pipeline description: %s\n", error->message);
|
|
||||||
return -1;
|
|
||||||
}
|
|
||||||
|
|
||||||
loop = g_main_loop_new (NULL, FALSE);
|
|
||||||
|
|
||||||
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
|
|
||||||
|
|
||||||
gst_element_set_state (pipeline, GST_STATE_PLAYING);
|
|
||||||
|
|
||||||
/* lets check it gets to PLAYING */
|
|
||||||
g_assert (gst_element_get_state (pipeline, &state, &pending,
|
|
||||||
GST_CLOCK_TIME_NONE) != GST_STATE_CHANGE_FAILURE);
|
|
||||||
g_assert (state == GST_STATE_PLAYING || pending == GST_STATE_PLAYING);
|
|
||||||
|
|
||||||
/* We want to get out after 5 seconds */
|
|
||||||
g_timeout_add (5000, (GSourceFunc) terminate_playback, pipeline);
|
|
||||||
|
|
||||||
g_main_loop_run (loop);
|
|
||||||
|
|
||||||
g_main_loop_unref (loop);
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
Loading…
Reference in a new issue