From 161d53e6dac4d17aa6d7e350ef785a0bc8dea39e Mon Sep 17 00:00:00 2001 From: Thomas Vander Stichele Date: Fri, 28 Apr 2006 19:23:20 +0000 Subject: [PATCH] moved ximagesrc to good Original commit message from CVS: moved ximagesrc to good --- ChangeLog | 19 + configure.ac | 76 -- docs/plugins/gst-plugins-bad-plugins-decl-list.txt | 23 +- docs/plugins/gst-plugins-bad-plugins-decl.txt | 114 ++- docs/plugins/gst-plugins-bad-plugins-docs.sgml | 1 - .../gst-plugins-bad-plugins-undocumented.txt | 7 +- sys/Makefile.am | 10 +- sys/ximagesrc/Makefile.am | 14 - sys/ximagesrc/ximagesrc.c | 829 --------------------- sys/ximagesrc/ximagesrc.h | 97 --- sys/ximagesrc/ximageutil.c | 481 ------------ sys/ximagesrc/ximageutil.h | 182 ----- tests/Makefile.am | 16 +- tests/icles/.gitignore | 1 - tests/icles/Makefile.am | 12 - tests/icles/ximagesrc-test.c | 71 -- 16 files changed, 147 insertions(+), 1806 deletions(-) delete mode 100644 sys/ximagesrc/Makefile.am delete mode 100644 sys/ximagesrc/ximagesrc.c delete mode 100644 sys/ximagesrc/ximagesrc.h delete mode 100644 sys/ximagesrc/ximageutil.c delete mode 100644 sys/ximagesrc/ximageutil.h delete mode 100644 tests/icles/ximagesrc-test.c diff --git a/ChangeLog b/ChangeLog index 58ce580..89401d0 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,22 @@ +2006-04-28 Thomas Vander Stichele + + * 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 * ext/faad/gstfaad.c: (gst_faad_init), (aac_rate_idx), diff --git a/configure.ac b/configure.ac index 3b18d88..f534366 100644 --- a/configure.ac +++ b/configure.ac @@ -204,81 +204,6 @@ GST_CHECK_FEATURE(OPENGL, [Open GL], glsink, [ CPPFLAGS="$save_CPPFLAGS" LIBS="$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 for information about the header/define, see sys/v4l2/gstv4l2element.h dnl renamed to GST_V4L2 because of some conflict with kernel headers @@ -723,7 +648,6 @@ gst-libs/Makefile gst-libs/gst/Makefile sys/Makefile sys/glsink/Makefile -sys/ximagesrc/Makefile sys/v4l2/Makefile examples/Makefile examples/directfb/Makefile diff --git a/docs/plugins/gst-plugins-bad-plugins-decl-list.txt b/docs/plugins/gst-plugins-bad-plugins-decl-list.txt index 692a10f..98f97a4 100644 --- a/docs/plugins/gst-plugins-bad-plugins-decl-list.txt +++ b/docs/plugins/gst-plugins-bad-plugins-decl-list.txt @@ -18,16 +18,29 @@ GST_IS_DFBVIDEOSINK_CLASS
+ximagesrc +GstXImageSrc +GstXImageSrc + +GST_XIMAGESRC +GST_IS_XIMAGESRC +GST_TYPE_XIMAGESRC +gst_ximagesrc_get_type +GST_XIMAGESRC_CLASS +GST_IS_XIMAGESRC_CLASS +
+ +
gsttaglib GstTagLibMuxPriv GstTagLibMux GstTagLibMux -GST_TAGLIB_MUX -GST_IS_TAGLIB_MUX -GST_TYPE_TAGLIB_MUX +GST_TAG_LIB_MUX +GST_IS_TAG_LIB_MUX +GST_TYPE_TAG_LIB_MUX gst_tag_lib_mux_get_type -GST_TAGLIB_MUX_CLASS -GST_IS_TAGLIB_MUX_CLASS +GST_TAG_LIB_MUX_CLASS +GST_IS_TAG_LIB_MUX_CLASS
diff --git a/docs/plugins/gst-plugins-bad-plugins-decl.txt b/docs/plugins/gst-plugins-bad-plugins-decl.txt index a5bfd6f..ab44758 100644 --- a/docs/plugins/gst-plugins-bad-plugins-decl.txt +++ b/docs/plugins/gst-plugins-bad-plugins-decl.txt @@ -133,6 +133,92 @@ void GType void + +GST_TYPE_XIMAGESRC +#define GST_TYPE_XIMAGESRC (gst_ximagesrc_get_type()) + + +GST_XIMAGESRC +#define GST_XIMAGESRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_XIMAGESRC,GstXImageSrc)) + + +GST_XIMAGESRC_CLASS +#define GST_XIMAGESRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_XIMAGESRC,GstXImageSrc)) + + +GST_IS_XIMAGESRC +#define GST_IS_XIMAGESRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_XIMAGESRC)) + + +GST_IS_XIMAGESRC_CLASS +#define GST_IS_XIMAGESRC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_XIMAGESRC)) + + +GstXImageSrc + + +GstXImageSrcClass + + +gst_ximagesrc_get_type +GType +void + + +GstXImageSrc +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 + +}; + + +GstXImageSrcClass +struct _GstXImageSrcClass +{ + GstPushSrcClass parent_class; +}; + GstTagLibMuxPriv @@ -157,29 +243,29 @@ typedef struct _GstTagLibMuxClass { } GstTagLibMuxClass; -GST_TYPE_TAGLIB_MUX -#define GST_TYPE_TAGLIB_MUX \ +GST_TYPE_TAG_LIB_MUX +#define GST_TYPE_TAG_LIB_MUX \ (gst_tag_lib_mux_get_type()) -GST_TAGLIB_MUX -#define GST_TAGLIB_MUX(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TAGLIB_MUX,GstTagLibMux)) +GST_TAG_LIB_MUX +#define GST_TAG_LIB_MUX(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TAG_LIB_MUX,GstTagLibMux)) -GST_TAGLIB_MUX_CLASS -#define GST_TAGLIB_MUX_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TAGLIB_MUX,GstTagLibMuxClass)) +GST_TAG_LIB_MUX_CLASS +#define GST_TAG_LIB_MUX_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TAG_LIB_MUX,GstTagLibMuxClass)) -GST_IS_TAGLIB_MUX -#define GST_IS_TAGLIB_MUX(obj) \ - (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TAGLIB_MUX)) +GST_IS_TAG_LIB_MUX +#define GST_IS_TAG_LIB_MUX(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TAG_LIB_MUX)) -GST_IS_TAGLIB_MUX_CLASS -#define GST_IS_TAGLIB_MUX_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TAGLIB_MUX)) +GST_IS_TAG_LIB_MUX_CLASS +#define GST_IS_TAG_LIB_MUX_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TAG_LIB_MUX)) gst_tag_lib_mux_get_type diff --git a/docs/plugins/gst-plugins-bad-plugins-docs.sgml b/docs/plugins/gst-plugins-bad-plugins-docs.sgml index 195fafa..d20628c 100644 --- a/docs/plugins/gst-plugins-bad-plugins-docs.sgml +++ b/docs/plugins/gst-plugins-bad-plugins-docs.sgml @@ -36,7 +36,6 @@ - diff --git a/docs/plugins/gst-plugins-bad-plugins-undocumented.txt b/docs/plugins/gst-plugins-bad-plugins-undocumented.txt index 7deee53..fe024ba 100644 --- a/docs/plugins/gst-plugins-bad-plugins-undocumented.txt +++ b/docs/plugins/gst-plugins-bad-plugins-undocumented.txt @@ -1,9 +1,10 @@ -92% symbol docs coverage. -11 symbols documented. +83% symbol docs coverage. +10 symbols documented. 0 symbols incomplete. -1 not documented. +2 not documented. GstTagLibMux +element-tagid3v2mux:Short_Description diff --git a/sys/Makefile.am b/sys/Makefile.am index 4a26496..ceacb8e 100644 --- a/sys/Makefile.am +++ b/sys/Makefile.am @@ -34,12 +34,6 @@ else GL_DIR= endif -if USE_X -XIMAGESRC_DIR=ximagesrc -else -XIMAGESRC_DIR= -endif - -SUBDIRS = $(GL_DIR) $(XIMAGESRC_DIR) $(V4L2_DIR) +SUBDIRS = $(GL_DIR) $(V4L2_DIR) -DIST_SUBDIRS = glsink ximagesrc v4l2 +DIST_SUBDIRS = glsink v4l2 diff --git a/sys/ximagesrc/Makefile.am b/sys/ximagesrc/Makefile.am deleted file mode 100644 index d1a4b42..0000000 --- a/sys/ximagesrc/Makefile.am +++ /dev/null @@ -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 diff --git a/sys/ximagesrc/ximagesrc.c b/sys/ximagesrc/ximagesrc.c deleted file mode 100644 index 2320001..0000000 --- a/sys/ximagesrc/ximagesrc.c +++ /dev/null @@ -1,829 +0,0 @@ -/* GStreamer - * - * Copyright (C) 2006 Zaheer Merali - * - * 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 - * - * - * - * 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. - * - * Example pipelines - * - * - * gst-launch -v ximagesrc ! video/x-raw-rgb,framerate=5/1 ! ffmpegcolorspace ! theoraenc ! oggmux ! filesink location=desktop.ogg - * - * Encodes your X display to an Ogg theora video at 5 frames per second. - * - * - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#include "ximagesrc.h" - -#include -#include - -#include -#include - -#include -#include - -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 , " - "Jan Schmidt , " - "Zaheer Merali "); - -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); diff --git a/sys/ximagesrc/ximagesrc.h b/sys/ximagesrc/ximagesrc.h deleted file mode 100644 index 0d3605d..0000000 --- a/sys/ximagesrc/ximagesrc.h +++ /dev/null @@ -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 -#include -#include "ximageutil.h" - -#ifdef HAVE_XFIXES -#include -#endif -#ifdef HAVE_XDAMAGE -#include -#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__ */ diff --git a/sys/ximagesrc/ximageutil.c b/sys/ximagesrc/ximageutil.c deleted file mode 100644 index c9b7c56..0000000 --- a/sys/ximagesrc/ximageutil.c +++ /dev/null @@ -1,481 +0,0 @@ -/* GStreamer - * Copyright (C) <2005> Luca Ognibene - * - * 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; -} diff --git a/sys/ximagesrc/ximageutil.h b/sys/ximagesrc/ximageutil.h deleted file mode 100644 index 517fc8e..0000000 --- a/sys/ximagesrc/ximageutil.h +++ /dev/null @@ -1,182 +0,0 @@ -/* GStreamer - * Copyright (C) <2005> Luca Ognibene - * - * 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 - -#ifdef HAVE_XSHM -#include -#include -#include -#endif /* HAVE_XSHM */ - -#include -#include - -#ifdef HAVE_XSHM -#include -#endif /* HAVE_XSHM */ - -#include -#include - -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__ */ diff --git a/tests/Makefile.am b/tests/Makefile.am index aababe7..6ba4880 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -4,16 +4,8 @@ else SUBDIRS_CHECK = endif -if USE_X -SUBDIRS_ICLES = icles -else -SUBDIRS_ICLES = -endif - -SUBDIRS = \ - $(SUBDIRS_CHECK) \ - $(SUBDIRS_ICLES) +SUBDIRS = icles \ + $(SUBDIRS_CHECK) -DIST_SUBDIRS = \ - check \ - icles +DIST_SUBDIRS = icles \ + check diff --git a/tests/icles/.gitignore b/tests/icles/.gitignore index bda5abb..e69de29 100644 --- a/tests/icles/.gitignore +++ b/tests/icles/.gitignore @@ -1 +0,0 @@ -ximagesrc-test diff --git a/tests/icles/Makefile.am b/tests/icles/Makefile.am index 693a6e4..e69de29 100644 --- a/tests/icles/Makefile.am +++ b/tests/icles/Makefile.am @@ -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) - diff --git a/tests/icles/ximagesrc-test.c b/tests/icles/ximagesrc-test.c deleted file mode 100644 index 7af0e68..0000000 --- a/tests/icles/ximagesrc-test.c +++ /dev/null @@ -1,71 +0,0 @@ -/* GStreamer - * Copyright (C) <2006> Zaheer Abbas Merali - * - * 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 - -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; -} -- 2.7.4