From: Tuomo Tanskanen Date: Wed, 16 Dec 2009 10:46:33 +0000 (+0200) Subject: remove gst directory, Makefile.am X-Git-Tag: v0.0.1~7 X-Git-Url: https://vcs.maemo.org/git/?p=cpumem-applet;a=commitdiff_plain;h=2a397717e43308baec04cf2af24c8aced167f20b remove gst directory, Makefile.am --- diff --git a/Makefile.am b/Makefile.am index 8e4a161..417f607 100644 --- a/Makefile.am +++ b/Makefile.am @@ -1,4 +1,4 @@ -SUBDIRS = src data gst +SUBDIRS = src data EXTRA_DIST = \ autogen.sh \ diff --git a/gst/Makefile.am b/gst/Makefile.am deleted file mode 100644 index 969b14e..0000000 --- a/gst/Makefile.am +++ /dev/null @@ -1,19 +0,0 @@ -plugindir = $(libdir)/gstreamer-0.10 - - -plugin_LTLIBRARIES = libgstximagewsrc.la - -libgstximagewsrc_la_SOURCES = gstximagesrc.c ximageutil.c -libgstximagewsrc_la_CFLAGS = \ - $(GST_PLUGINS_BASE_CFLAGS) \ - $(GSTREAMERBASE_CFLAGS) \ - $(GSTREAMER_CFLAGS) \ - $(X_CFLAGS) $(XFIXES_CFLAGS) $(XDAMAGE_CFLAGS) -libgstximagewsrc_la_LIBADD = \ - $(GSTREAMERBASE_LIBS) \ - $(GSTREAMER_LIBS) \ - $(X_LIBS) $(XSHM_LIBS) $(XFIXES_LIBS) $(XDAMAGE_LIBS) -libgstximagewsrc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) -libgstximagewsrc_la_LIBTOOLFLAGS = --tag=disable-static - -noinst_HEADERS = gstximagesrc.h ximageutil.h diff --git a/gst/gstximagesrc.c b/gst/gstximagesrc.c deleted file mode 100644 index 6a58014..0000000 --- a/gst/gstximagesrc.c +++ /dev/null @@ -1,1157 +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 - * - * 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 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 "gstximagesrc.h" - -#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, - PROP_USE_DAMAGE, - PROP_STARTX, - PROP_STARTY, - PROP_ENDX, - PROP_ENDY -}; - -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); - if (s->xcontext == NULL) { - g_mutex_unlock (s->x_lock); - GST_ELEMENT_ERROR (s, RESOURCE, OPEN_READ, - ("Could not open X display for reading"), - ("NULL returned from getting xcontext")); - return FALSE; - } - 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; - - s->have_xdamage = FALSE; - s->damage = None; - s->damage_copy_gc = None; - s->damage_region = None; - - if (XDamageQueryExtension (s->xcontext->disp, &s->damage_event_base, - &error_base)) { - s->damage = - XDamageCreate (s->xcontext->disp, s->xwindow, XDamageReportNonEmpty); - 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; -#ifdef HAVE_XDAMAGE - if (s->last_ximage) - gst_buffer_unref (GST_BUFFER_CAST (s->last_ximage)); - s->last_ximage = NULL; -#endif - return gst_ximage_src_open_display (s, s->display_name); -} - -static gboolean -gst_ximage_src_stop (GstBaseSrc * basesrc) -{ - GstXImageSrc *src = GST_XIMAGE_SRC (basesrc); - -#ifdef HAVE_XDAMAGE - if (src->last_ximage) - gst_buffer_unref (GST_BUFFER_CAST (src->last_ximage)); - src->last_ximage = NULL; -#endif - - gst_ximage_src_clear_bufpool (src); - -#ifdef HAVE_XFIXES - if (src->cursor_image) - XFree (src->cursor_image); - src->cursor_image = NULL; -#endif - - if (src->xcontext) { - g_mutex_lock (src->x_lock); - -#ifdef HAVE_XDAMAGE - if (src->damage_copy_gc != None) { - XFreeGC (src->xcontext->disp, src->damage_copy_gc); - src->damage_copy_gc = None; - } - if (src->damage_region != None) { - XFixesDestroyRegion (src->xcontext->disp, src->damage_region); - src->damage_region = None; - } - if (src->damage != None) { - XDamageDestroy (src->xcontext->disp, src->damage); - src->damage = None; - } -#endif - - 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 (*(guint16 *) (dest)); - break; - case 32: - color = GUINT32_FROM_LE (*(guint32 *) (dest)); - break; - default: - /* Should not reach here */ - g_return_if_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; - - 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; - GstCaps *caps = NULL; - - 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, ximagesrc->width, - "height", G_TYPE_INT, ximagesrc->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); - - gst_caps_unref (caps); - } - - g_return_val_if_fail (GST_IS_XIMAGE_SRC (ximagesrc), NULL); -#ifdef HAVE_XDAMAGE - if (ximagesrc->have_xdamage && ximagesrc->use_damage && - ximagesrc->last_ximage != NULL) { - XEvent ev; - - /* have_frame is TRUE when either the entire screen has been - * grabbed or when the last image has been copied */ - gboolean have_frame = FALSE; - - GST_DEBUG_OBJECT (ximagesrc, "Retrieving screen using XDamage"); - - do { - XNextEvent (ximagesrc->xcontext->disp, &ev); - - if (ev.type == ximagesrc->damage_event_base + XDamageNotify) { - XserverRegion parts; - XRectangle *rects; - int nrects; - - parts = XFixesCreateRegion (ximagesrc->xcontext->disp, 0, 0); - XDamageSubtract (ximagesrc->xcontext->disp, ximagesrc->damage, None, - parts); - /* Now copy out all of the damaged rectangles. */ - rects = XFixesFetchRegion (ximagesrc->xcontext->disp, parts, &nrects); - if (rects != NULL) { - int i; - - if (!have_frame) { - GST_LOG_OBJECT (ximagesrc, - "Copying from last frame ximage->size: %d", - GST_BUFFER_SIZE (GST_BUFFER (ximage))); - memcpy (GST_BUFFER_DATA (GST_BUFFER (ximage)), - GST_BUFFER_DATA (GST_BUFFER (ximagesrc->last_ximage)), - GST_BUFFER_SIZE (GST_BUFFER (ximage))); - have_frame = TRUE; - } - for (i = 0; i < nrects; i++) { - GST_LOG_OBJECT (ximagesrc, - "Damaged sub-region @ %d,%d size %dx%d reported", - rects[i].x, rects[i].y, rects[i].width, rects[i].height); - - /* if we only want a small area, clip this damage region to - * area we want */ - if (ximagesrc->endx > ximagesrc->startx && - ximagesrc->endy > ximagesrc->starty) { - /* see if damage area intersects */ - if (rects[i].x + rects[i].width < ximagesrc->startx || - rects[i].x > ximagesrc->endx) { - /* trivial reject */ - } else if (rects[i].y + rects[i].height < ximagesrc->starty || - rects[i].y > ximagesrc->endy) { - /* trivial reject */ - } else { - /* find intersect region */ - int startx, starty, width, height; - - startx = (rects[i].x < ximagesrc->startx) ? ximagesrc->startx : - rects[i].x; - starty = (rects[i].y < ximagesrc->starty) ? ximagesrc->starty : - rects[i].y; - width = (rects[i].x + rects[i].width < ximagesrc->endx) ? - rects[i].x + rects[i].width - startx : - ximagesrc->endx - startx; - height = (rects[i].y + rects[i].height < ximagesrc->endy) ? - rects[i].y + rects[i].height - starty : ximagesrc->endy - - starty; - - GST_LOG_OBJECT (ximagesrc, - "Retrieving damaged sub-region @ %d,%d size %dx%d as intersect region", - startx, starty, width, height); - XGetSubImage (ximagesrc->xcontext->disp, ximagesrc->xwindow, - startx, starty, width, height, AllPlanes, ZPixmap, - ximage->ximage, startx - ximagesrc->startx, - starty - ximagesrc->starty); - } - } else { - - GST_LOG_OBJECT (ximagesrc, - "Retrieving damaged sub-region @ %d,%d size %dx%d", - rects[i].x, rects[i].y, rects[i].width, rects[i].height); - - XGetSubImage (ximagesrc->xcontext->disp, ximagesrc->xwindow, - rects[i].x, rects[i].y, - rects[i].width, rects[i].height, - AllPlanes, ZPixmap, ximage->ximage, rects[i].x, rects[i].y); - } - } - free (rects); - } - } - } while (XPending (ximagesrc->xcontext->disp)); - if (!have_frame) { - GST_LOG_OBJECT (ximagesrc, - "Copying from last frame ximage->size: %d", - GST_BUFFER_SIZE (GST_BUFFER (ximage))); - memcpy (GST_BUFFER_DATA (GST_BUFFER (ximage)), - GST_BUFFER_DATA (GST_BUFFER (ximagesrc->last_ximage)), - GST_BUFFER_SIZE (GST_BUFFER (ximage))); - have_frame = TRUE; - } -#ifdef HAVE_XFIXES - /* re-get area where last mouse pointer was but only if in our clipping - * bounds */ - 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->xcontext->width) - width = ximagesrc->xcontext->width - x; - if (y + height > ximagesrc->xcontext->height) - height = ximagesrc->xcontext->height - y; - g_assert (x >= 0); - g_assert (y >= 0); - GST_DEBUG_OBJECT (ximagesrc, - "Cursor was at (%d,%d) width: %d, height: %d and our range is: (%d,%d) - (%d,%d)", - x, y, width, height, ximagesrc->startx, ximagesrc->starty, - ximagesrc->endx, ximagesrc->endy); - /* only get where cursor last was, if it is in our range */ - if (ximagesrc->endx > ximagesrc->startx && - ximagesrc->endy > ximagesrc->starty) { - /* check bounds */ - if (x + width < ximagesrc->startx || x > ximagesrc->endx) { - /* trivial reject */ - } else if (y + height < ximagesrc->starty || y > ximagesrc->endy) { - /* trivial reject */ - } else { - /* find intersect region */ - int startx, starty, iwidth, iheight; - - startx = (x < ximagesrc->startx) ? ximagesrc->startx : x; - starty = (y < ximagesrc->starty) ? ximagesrc->starty : y; - iwidth = (x + width < ximagesrc->endx) ? - x + width - startx : ximagesrc->endx - startx; - iheight = (y + height < ximagesrc->endy) ? - y + height - starty : ximagesrc->endy - starty; - GST_DEBUG_OBJECT (ximagesrc, "Removing cursor from %d,%d", x, y); - XGetSubImage (ximagesrc->xcontext->disp, ximagesrc->xwindow, - startx, starty, iwidth, iheight, AllPlanes, ZPixmap, - ximage->ximage, startx - ximagesrc->startx, - starty - ximagesrc->starty); - } - } else { - - 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, ximagesrc->startx, ximagesrc->starty, AllPlanes); - - } else -#endif /* HAVE_XSHM */ - { - GST_DEBUG_OBJECT (ximagesrc, "Retrieving screen using XGetImage"); - ximage->ximage = XGetImage (ximagesrc->xcontext->disp, ximagesrc->xwindow, - ximagesrc->startx, ximagesrc->starty, 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 */ - if (ximagesrc->cursor_image) - XFree (ximagesrc->cursor_image); - ximagesrc->cursor_image = XFixesGetCursorImage (ximagesrc->xcontext->disp); - if (ximagesrc->cursor_image != NULL) { - int cx, cy, i, j, count; - int startx, starty, iwidth, iheight; - gboolean clipped = FALSE; - gboolean cursor_in_image = TRUE; - - cx = ximagesrc->cursor_image->x - ximagesrc->cursor_image->xhot; - if (cx < 0) - cx = 0; - cy = ximagesrc->cursor_image->y - ximagesrc->cursor_image->yhot; - if (cy < 0) - cy = 0; - count = ximagesrc->cursor_image->width * ximagesrc->cursor_image->height; - - /* only get where cursor last was, if it is in our range */ - if (ximagesrc->endx > ximagesrc->startx && - ximagesrc->endy > ximagesrc->starty) { - /* check bounds */ - if (cx + ximagesrc->cursor_image->width < ximagesrc->startx || - cx > ximagesrc->endx) { - /* trivial reject */ - cursor_in_image = FALSE; - } else if (cy + ximagesrc->cursor_image->height < ximagesrc->starty || - cy > ximagesrc->endy) { - /* trivial reject */ - cursor_in_image = FALSE; - } else { - /* find intersect region */ - - startx = (cx < ximagesrc->startx) ? ximagesrc->startx : cx; - starty = (cy < ximagesrc->starty) ? ximagesrc->starty : cy; - iwidth = (cx + ximagesrc->cursor_image->width < ximagesrc->endx) ? - cx + ximagesrc->cursor_image->width - startx : - ximagesrc->endx - startx; - iheight = (cy + ximagesrc->cursor_image->height < ximagesrc->endy) ? - cy + ximagesrc->cursor_image->height - starty : - ximagesrc->endy - starty; - clipped = TRUE; - } - } else { - startx = cx; - starty = cy; - iwidth = ximagesrc->cursor_image->width; - iheight = ximagesrc->cursor_image->height; - } - - if (cursor_in_image) { - GST_DEBUG_OBJECT (ximagesrc, "Cursor is in image so trying to draw it"); - 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 = starty; - j < starty + iheight && j < ximagesrc->starty + ximagesrc->height; - j++) { - for (i = startx; - i < startx + iwidth && i < ximagesrc->startx + 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->starty) * ximagesrc->width + (i - - ximagesrc->startx)) * (ximagesrc->xcontext->bpp / - 8)]); - - composite_pixel (ximagesrc->xcontext, (guint8 *) dest, - (guint8 *) src); - } - } - } - } - } -#endif -#ifdef HAVE_XDAMAGE - if (ximagesrc->have_xdamage && ximagesrc->use_damage) { - /* need to ref ximage to put in last_ximage */ - gst_buffer_ref (GST_BUFFER (ximage)); - if (ximagesrc->last_ximage) { - gst_buffer_unref (GST_BUFFER (ximagesrc->last_ximage)); - } - ximagesrc->last_ximage = ximage; - GST_LOG_OBJECT (ximagesrc, "reffing current buffer for last_ximage"); - } -#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); - if (GST_ELEMENT_CLOCK (s) == NULL) { - GST_OBJECT_UNLOCK (s); - GST_ELEMENT_ERROR (s, RESOURCE, FAILED, - ("Cannot operate without a clock"), (NULL)); - return GST_FLOW_ERROR; - } - - 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; - case PROP_USE_DAMAGE: - src->use_damage = g_value_get_boolean (value); - break; - case PROP_STARTX: - src->startx = g_value_get_uint (value); - break; - case PROP_STARTY: - src->starty = g_value_get_uint (value); - break; - case PROP_ENDX: - src->endx = g_value_get_uint (value); - break; - case PROP_ENDY: - src->endy = g_value_get_uint (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; - case PROP_USE_DAMAGE: - g_value_set_boolean (value, src->use_damage); - break; - case PROP_STARTX: - g_value_set_uint (value, src->startx); - break; - case PROP_STARTY: - g_value_set_uint (value, src->starty); - break; - case PROP_ENDX: - g_value_set_uint (value, src->endx); - break; - case PROP_ENDY: - g_value_set_uint (value, src->endy); - 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)); - - G_OBJECT_CLASS (parent_class)->dispose (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; - gint x, y, width, height; - - if ((!s->xcontext) && (!gst_ximage_src_open_display (s, s->display_name))) - 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; - - x = y = 0; - width = xcontext->width; - height = xcontext->height; - if (s->endx > s->startx && s->endy > s->starty) { - /* this means user has put in values */ - if (s->startx < xcontext->width && s->endx < xcontext->width && - s->starty < xcontext->height && s->endy < xcontext->height) { - /* values are fine */ - x = s->startx; - y = s->starty; - s->width = width = s->endx - s->startx; - s->height = height = s->endy - s->starty; - } else { - GST_WARNING - ("User put in co-ordinates overshooting the X resolution, setting to full screen"); - s->startx = 0; - s->starty = 0; - s->endx = 0; - s->endy = 0; - } - } else { - GST_WARNING ("User put in bogus co-ordinates, setting to full screen"); - s->startx = 0; - s->starty = 0; - s->endx = 0; - s->endy = 0; - } - GST_DEBUG ("width = %d, height=%d", width, height); - 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, width, - "height", G_TYPE_INT, 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)); - /** - * GstXImageSrc:use-damage - * - * Use XDamage (if the XDamage extension is enabled) - * - * Since: 0.10.4 - **/ - g_object_class_install_property (gc, PROP_USE_DAMAGE, - g_param_spec_boolean ("use-damage", "Use XDamage", - "Use XDamage (if XDamage extension enabled)", TRUE, - G_PARAM_READWRITE)); - /** - * GstXImageSrc:startx - * - * X coordinate of top left corner of area to be recorded - * (0 for top left of screen) - * - * Since: 0.10.4 - **/ - g_object_class_install_property (gc, PROP_STARTX, - g_param_spec_uint ("startx", "Start X co-ordinate", - "X coordinate of top left corner of area to be recorded (0 for top left of screen)", - 0, G_MAXINT, 0, G_PARAM_READWRITE)); - /** - * GstXImageSrc:starty - * - * Y coordinate of top left corner of area to be recorded - * (0 for top left of screen) - * - * Since: 0.10.4 - **/ - g_object_class_install_property (gc, PROP_STARTY, - g_param_spec_uint ("starty", "Start Y co-ordinate", - "Y coordinate of top left corner of area to be recorded (0 for top left of screen)", - 0, G_MAXINT, 0, G_PARAM_READWRITE)); - /** - * GstXImageSrc:endx - * - * X coordinate of bottom right corner of area to be recorded - * (0 for bottom right of screen) - * - * Since: 0.10.4 - **/ - g_object_class_install_property (gc, PROP_ENDX, - g_param_spec_uint ("endx", "End X", - "X coordinate of bottom right corner of area to be recorded (0 for bottom right of screen)", - 0, G_MAXINT, 0, G_PARAM_READWRITE)); - /** - * GstXImageSrc:endy - * - * Y coordinate of bottom right corner of area to be recorded - * (0 for bottom right of screen) - * - * Since: 0.10.4 - **/ - g_object_class_install_property (gc, PROP_ENDY, - g_param_spec_uint ("endy", "End Y", - "Y coordinate of bottom right corner of area to be recorded (0 for bottom right of screen)", - 0, G_MAXINT, 0, 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; - ximagesrc->use_damage = TRUE; - ximagesrc->startx = 0; - ximagesrc->starty = 0; - ximagesrc->endx = 0; - ximagesrc->endy = 0; -} - -static gboolean -plugin_init (GstPlugin * plugin) -{ - gboolean ret; - - GST_DEBUG_CATEGORY_INIT (gst_debug_ximage_src, "ximagewsrc", 0, - "ximagesrc element debug"); - - ret = gst_element_register (plugin, "ximagewsrc", GST_RANK_NONE, - GST_TYPE_XIMAGE_SRC); - - return ret; -} - -GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "ximagewsrc", - "X11 video input plugin using standard Xlib calls, with added watermark and scaling", - plugin_init, VERSION, GST_LICENSE, "GStreamer private plugins", "By JP"); diff --git a/gst/gstximagesrc.h b/gst/gstximagesrc.h deleted file mode 100644 index f223d1e..0000000 --- a/gst/gstximagesrc.h +++ /dev/null @@ -1,106 +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(klass) (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; - gboolean use_damage; - - /* co-ordinates for start and end */ - guint startx; - guint starty; - guint endx; - guint endy; - -#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; - GstXImageSrcBuffer *last_ximage; -#endif -}; - -struct _GstXImageSrcClass -{ - GstPushSrcClass parent_class; -}; - -G_END_DECLS - -#endif /* __GST_XIMAGE_SRC_H__ */ diff --git a/gst/ximageutil.c b/gst/ximageutil.c deleted file mode 100644 index e0d2c32..0000000 --- a/gst/ximageutil.c +++ /dev/null @@ -1,494 +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 %" G_GSIZE_FORMAT " 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 %p", 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; - } - } else { - xcontext->r_mask_output = xcontext->visual->red_mask; - xcontext->g_mask_output = xcontext->visual->green_mask; - xcontext->b_mask_output = xcontext->visual->blue_mask; - } - - 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 GstBufferClass *ximagesrc_buffer_parent_class = NULL; - -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: - - GST_MINI_OBJECT_CLASS (ximagesrc_buffer_parent_class)-> - finalize (GST_MINI_OBJECT (ximage)); - - 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); - - ximagesrc_buffer_parent_class = g_type_class_peek_parent (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/gst/ximageutil.h b/gst/ximageutil.h deleted file mode 100644 index 517fc8e..0000000 --- a/gst/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__ */