Enable documentation.

Original commit message from CVS:
2005-11-06  Julien MOUTTE  <julien@moutte.net>

* Makefile.am:
* autogen.sh:
* configure.ac:
* docs/Makefile.am:
* docs/plugins/.cvsignore:
* docs/plugins/Makefile.am:
* 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-sections.txt:
* docs/plugins/gst-plugins-bad-plugins-undocumented.txt:
* docs/plugins/gst-plugins-bad-plugins.args:
* docs/plugins/gst-plugins-bad-plugins.hierarchy:
* docs/plugins/gst-plugins-bad-plugins.interfaces:
* docs/plugins/gst-plugins-bad-plugins.prerequisites:
* docs/plugins/gst-plugins-bad-plugins.signals:
* docs/plugins/gst-plugins-bad-plugins.types:
* docs/plugins/inspect/plugin-dfbvideosink.xml:
* docs/version.entities.in: Enable documentation.
* examples/Makefile.am:
* examples/directfb/Makefile.am:
* examples/directfb/decker.ttf:
* examples/directfb/dfblogo.png:
* examples/directfb/gstdfb.c: (myclock), (dynamic_link),
(size_changed), (setup_dynamic_link), (main): Add an example
application for DirectFB.

5 files changed, 530 insertions, 10 deletions

diff --git a/examples/Makefile.am b/examples/Makefile.am
index 4620963e..8606cf8a 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -1,14 +1,14 @@
-if HAVE_GTK
-GTK_SUBDIRS=dynparams level $(FT2_SUBDIRS)
-else
-GTK_SUBDIRS=
-endif
+#if HAVE_GTK
+#GTK_SUBDIRS=dynparams level $(FT2_SUBDIRS)
+#else
+#GTK_SUBDIRS=
+#endif
 
-if USE_GCONF
-GCONF_SUBDIRS=gstplay
+if USE_DIRECTFB
+DIRECTFB_DIR=directfb
 else
-GCONF_SUBDIRS=
+DIRECTFB_DIR=
 endif
 
-SUBDIRS=$(GTK_SUBDIRS) $(GCONF_SUBDIRS) switch
-DIST_SUBDIRS=capsfilter dynparams indexing gstplay switch level
+SUBDIRS=$(GTK_SUBDIRS) $(GCONF_SUBDIRS) $(DIRECTFB_DIR)
+DIST_SUBDIRS=capsfilter dynparams indexing gstplay directfb switch level
diff --git a/examples/directfb/Makefile.am b/examples/directfb/Makefile.am
new file mode 100644
index 00000000..a9111488
--- /dev/null
+++ b/examples/directfb/Makefile.am
@@ -0,0 +1,6 @@
+noinst_PROGRAMS = gstdfb
+
+gstdfb_SOURCES = gstdfb.c
+gstdfb_CFLAGS = $(GST_CFLAGS) $(DIRECTFB_CFLAGS)
+gstdfb_LDFLAGS = $(GST_LIBS) $(DIRECTFB_LIBS)
+
diff --git a/examples/directfb/decker.ttf b/examples/directfb/decker.ttf
new file mode 100644
index 00000000..5e721cfd
--- /dev/null
+++ b/examples/directfb/decker.ttf
diff --git a/examples/directfb/dfblogo.png b/examples/directfb/dfblogo.png
new file mode 100644
index 00000000..8b7d8833
--- /dev/null
+++ b/examples/directfb/dfblogo.png
diff --git a/examples/directfb/gstdfb.c b/examples/directfb/gstdfb.c
new file mode 100644
index 00000000..58114204
--- /dev/null
+++ b/examples/directfb/gstdfb.c
@@ -0,0 +1,514 @@
+/*
+   (c) Copyright 2000-2002  convergence integrated media GmbH.
+   All rights reserved.
+
+   Written by Denis Oliver Kropp <dok@directfb.org>,
+              Andreas Hundt <andi@fischlustig.de>,
+              Sven Neumann <neo@directfb.org> and
+              Julien Moutte <julien@moutte.net>.
+
+   This file is subject to the terms and conditions of the MIT License:
+
+   Permission is hereby granted, free of charge, to any person
+   obtaining a copy of this software and associated documentation
+   files (the "Software"), to deal in the Software without restriction,
+   including without limitation the rights to use, copy, modify, merge,
+   publish, distribute, sublicense, and/or sell copies of the Software,
+   and to permit persons to whom the Software is furnished to do so,
+   subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be
+   included in all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+   IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+   CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+   TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+   SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <math.h>
+#include <time.h>
+
+#include <directfb.h>
+#include <gst/gst.h>
+#include <string.h>
+
+/* macro for a safe call to DirectFB functions */
+#define DFBCHECK(x...) \
+     {                                                                \
+          err = x;                                                    \
+          if (err != DFB_OK) {                                        \
+               fprintf( stderr, "%s <%d>:\n\t", __FILE__, __LINE__ ); \
+               DirectFBErrorFatal( #x, err );                         \
+          }                                                           \
+     }
+
+typedef struct
+{
+  const gchar *padname;
+  GstPad *target;
+  GstElement *bin;
+} dyn_link;
+
+static inline long
+myclock ()
+{
+  struct timeval tv;
+
+  gettimeofday (&tv, NULL);
+  return (tv.tv_sec * 1000 + tv.tv_usec / 1000);
+}
+
+static void
+dynamic_link (GstPadTemplate * templ, GstPad * newpad, gpointer data)
+{
+  dyn_link *connect = (dyn_link *) data;
+
+  if (connect->padname == NULL ||
+      !strcmp (gst_pad_get_name (newpad), connect->padname)) {
+    gst_pad_link (newpad, connect->target);
+  }
+}
+
+static void
+size_changed (GObject * obj, GParamSpec * pspec, IDirectFBWindow * window)
+{
+  GstPad *pad = GST_PAD (obj);
+  GstStructure *s;
+  GstCaps *caps;
+
+  if (!(caps = gst_pad_get_negotiated_caps (pad)))
+    return;
+
+  s = gst_caps_get_structure (caps, 0);
+  if (s) {
+    gint width, height;
+
+    if (!(gst_structure_get_int (s, "width", &width) &&
+            gst_structure_get_int (s, "height", &height)))
+      return;
+
+    window->Resize (window, width, height);
+  }
+}
+
+static void
+setup_dynamic_link (GstElement * element, const gchar * padname,
+    GstPad * target, GstElement * bin)
+{
+  dyn_link *connect;
+
+  connect = g_new0 (dyn_link, 1);
+  connect->padname = g_strdup (padname);
+  connect->target = target;
+  connect->bin = bin;
+
+  g_signal_connect (G_OBJECT (element), "pad-added", G_CALLBACK (dynamic_link),
+      connect);
+}
+
+int
+main (int argc, char *argv[])
+{
+  IDirectFB *dfb;
+  IDirectFBDisplayLayer *layer;
+
+  IDirectFBImageProvider *provider;
+  IDirectFBVideoProvider *video_provider;
+
+  IDirectFBSurface *bgsurface;
+
+  IDirectFBWindow *window1;
+  IDirectFBWindow *window2;
+  IDirectFBWindow *window3;
+  IDirectFBSurface *window_surface1;
+  IDirectFBSurface *window_surface2;
+  IDirectFBSurface *window_surface3;
+
+  GstElement *pipeline;
+
+  IDirectFBEventBuffer *buffer;
+
+  IDirectFBFont *font;
+
+  DFBDisplayLayerConfig layer_config;
+  DFBGraphicsDeviceDescription gdesc;
+  DFBWindowID id1;
+  DFBWindowID id2;
+  DFBWindowID id3;
+
+  int fontheight;
+  int err;
+  int quit = 0;
+
+
+  DFBCHECK (DirectFBInit (&argc, &argv));
+  gst_init (&argc, &argv);
+  DFBCHECK (DirectFBCreate (&dfb));
+
+  dfb->GetDeviceDescription (dfb, &gdesc);
+
+  DFBCHECK (dfb->GetDisplayLayer (dfb, DLID_PRIMARY, &layer));
+
+  layer->SetCooperativeLevel (layer, DLSCL_ADMINISTRATIVE);
+
+  if (!((gdesc.blitting_flags & DSBLIT_BLEND_ALPHACHANNEL) &&
+          (gdesc.blitting_flags & DSBLIT_BLEND_COLORALPHA))) {
+    layer_config.flags = DLCONF_BUFFERMODE;
+    layer_config.buffermode = DLBM_BACKSYSTEM;
+
+    layer->SetConfiguration (layer, &layer_config);
+  }
+
+  layer->GetConfiguration (layer, &layer_config);
+  layer->EnableCursor (layer, 1);
+
+  {
+    DFBFontDescription desc;
+
+    desc.flags = DFDESC_HEIGHT;
+    desc.height = layer_config.width / 50;
+
+    DFBCHECK (dfb->CreateFont (dfb, "decker.ttf", &desc, &font));
+    font->GetHeight (font, &fontheight);
+  }
+
+  if (argc < 2 ||
+      dfb->CreateVideoProvider (dfb, argv[1], &video_provider) != DFB_OK) {
+    video_provider = NULL;
+  }
+
+  {
+    DFBSurfaceDescription desc;
+
+    desc.flags = DSDESC_WIDTH | DSDESC_HEIGHT;
+    desc.width = layer_config.width;
+    desc.height = layer_config.height;
+
+    DFBCHECK (dfb->CreateSurface (dfb, &desc, &bgsurface));
+
+    DFBCHECK (bgsurface->SetFont (bgsurface, font));
+
+    bgsurface->SetColor (bgsurface, 0xCF, 0xCF, 0xFF, 0xFF);
+    bgsurface->DrawString (bgsurface,
+        "Move the mouse over a window to activate it.",
+        -1, 0, 0, DSTF_LEFT | DSTF_TOP);
+
+    bgsurface->SetColor (bgsurface, 0xCF, 0xDF, 0xCF, 0xFF);
+    bgsurface->DrawString (bgsurface,
+        "Press left mouse button and drag to move the window.",
+        -1, 0, fontheight, DSTF_LEFT | DSTF_TOP);
+
+    bgsurface->SetColor (bgsurface, 0xCF, 0xEF, 0x9F, 0xFF);
+    bgsurface->DrawString (bgsurface,
+        "Press middle mouse button to raise/lower the window.",
+        -1, 0, fontheight * 2, DSTF_LEFT | DSTF_TOP);
+
+    bgsurface->SetColor (bgsurface, 0xCF, 0xFF, 0x6F, 0xFF);
+    bgsurface->DrawString (bgsurface,
+        "Press right mouse button when you are done.", -1,
+        0, fontheight * 3, DSTF_LEFT | DSTF_TOP);
+
+    layer->SetBackgroundImage (layer, bgsurface);
+    layer->SetBackgroundMode (layer, DLBM_IMAGE);
+  }
+
+  {
+    DFBSurfaceDescription sdsc;
+    DFBWindowDescription desc;
+
+    desc.flags = (DWDESC_POSX | DWDESC_POSY | DWDESC_WIDTH | DWDESC_HEIGHT);
+
+    if (!video_provider) {
+      desc.caps = DWCAPS_ALPHACHANNEL;
+      desc.flags |= DWDESC_CAPS;
+
+      sdsc.width = 300;
+      sdsc.height = 200;
+    } else {
+      video_provider->GetSurfaceDescription (video_provider, &sdsc);
+
+      if (sdsc.flags & DSDESC_CAPS) {
+        desc.flags |= DWDESC_SURFACE_CAPS;
+        desc.surface_caps = sdsc.caps;
+      }
+    }
+
+    desc.posx = 20;
+    desc.posy = 120;
+    desc.width = sdsc.width;
+    desc.height = sdsc.height;
+
+    DFBCHECK (layer->CreateWindow (layer, &desc, &window2));
+    window2->GetSurface (window2, &window_surface2);
+
+    window2->SetOpacity (window2, 0xFF);
+
+    window2->GetID (window2, &id2);
+
+    window2->CreateEventBuffer (window2, &buffer);
+
+    if (video_provider) {
+      video_provider->PlayTo (video_provider, window_surface2,
+          NULL, NULL, NULL);
+    } else {
+      window_surface2->SetColor (window_surface2, 0x00, 0x30, 0x10, 0xc0);
+      window_surface2->DrawRectangle (window_surface2,
+          0, 0, desc.width, desc.height);
+      window_surface2->SetColor (window_surface2, 0x80, 0xa0, 0x00, 0x90);
+      window_surface2->FillRectangle (window_surface2,
+          1, 1, desc.width - 2, desc.height - 2);
+    }
+
+    window_surface2->Flip (window_surface2, NULL, 0);
+  }
+
+  {
+    DFBWindowDescription desc;
+
+    desc.flags = (DWDESC_POSX | DWDESC_POSY |
+        DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_CAPS);
+    desc.posx = 200;
+    desc.posy = 200;
+    desc.width = 512;
+    desc.height = 145;
+    desc.caps = DWCAPS_ALPHACHANNEL;
+
+    DFBCHECK (layer->CreateWindow (layer, &desc, &window1));
+    window1->GetSurface (window1, &window_surface1);
+
+    DFBCHECK (dfb->CreateImageProvider (dfb, "dfblogo.png", &provider));
+    provider->RenderTo (provider, window_surface1, NULL);
+
+    window_surface1->SetColor (window_surface1, 0xFF, 0x20, 0x20, 0x90);
+    window_surface1->DrawRectangle (window_surface1,
+        0, 0, desc.width, desc.height);
+
+    window_surface1->Flip (window_surface1, NULL, 0);
+
+    provider->Release (provider);
+
+    window1->AttachEventBuffer (window1, buffer);
+
+    window1->SetOpacity (window1, 0xFF);
+
+    window1->GetID (window1, &id1);
+  }
+
+  {
+    DFBWindowDescription desc;
+    GstElement *src, *decode;
+    GstElement *v_queue, *v_scale, *cs, *v_sink;
+    GstElement *a_queue, *conv, *a_sink;
+    GstPad *v_pad, *a_pad;
+
+    desc.flags = (DWDESC_POSX | DWDESC_POSY |
+        DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_CAPS);
+    desc.posx = 10;
+    desc.posy = 10;
+    desc.width = 100;
+    desc.height = 100;
+    desc.caps = DWCAPS_ALPHACHANNEL;
+
+    DFBCHECK (layer->CreateWindow (layer, &desc, &window3));
+    window3->GetSurface (window3, &window_surface3);
+
+    window3->AttachEventBuffer (window3, buffer);
+
+    window3->SetOpacity (window3, 0xFF);
+
+    window3->GetID (window3, &id3);
+
+    pipeline = gst_pipeline_new ("pipeline");
+
+    src = gst_element_factory_make ("gnomevfssrc", "src");
+    g_object_set (src, "location", argv[1], NULL);
+    decode = gst_element_factory_make ("decodebin", "decode");
+
+    v_queue = gst_element_factory_make ("queue", "v_queue");
+    v_scale = gst_element_factory_make ("videoscale", "v_scale");
+    cs = gst_element_factory_make ("ffmpegcolorspace", "cs");
+    v_sink = gst_element_factory_make ("dfbvideosink", "v_sink");
+    g_object_set (v_sink, "surface", window_surface3, NULL);
+
+    a_queue = gst_element_factory_make ("queue", "a_queue");
+    conv = gst_element_factory_make ("audioconvert", "conv");
+    a_sink = gst_element_factory_make ("alsasink", "a_sink");
+
+    gst_bin_add_many (GST_BIN (pipeline), src, decode, NULL);
+    gst_bin_add_many (GST_BIN (pipeline), v_queue, v_scale, cs, v_sink, NULL);
+    gst_bin_add_many (GST_BIN (pipeline), a_queue, conv, a_sink, NULL);
+
+    gst_element_link (src, decode);
+    gst_element_link_many (v_queue, v_scale, cs, v_sink, NULL);
+    gst_element_link_many (a_queue, conv, a_sink, NULL);
+
+    v_pad = gst_element_get_pad (v_queue, "sink");
+    a_pad = gst_element_get_pad (a_queue, "sink");
+
+    setup_dynamic_link (decode, NULL, v_pad, NULL);
+    setup_dynamic_link (decode, NULL, a_pad, NULL);
+
+    /* We want to know when the size is defined */
+    g_signal_connect (v_pad, "notify::caps", G_CALLBACK (size_changed),
+        window3);
+
+    gst_object_unref (a_pad);
+    gst_object_unref (v_pad);
+
+    gst_element_set_state (pipeline, GST_STATE_PLAYING);
+  }
+
+  window1->RequestFocus (window1);
+  window1->RaiseToTop (window1);
+
+  while (!quit) {
+    static IDirectFBWindow *active = NULL;
+    static int grabbed = 0;
+    static int startx = 0;
+    static int starty = 0;
+    static int endx = 0;
+    static int endy = 0;
+    DFBWindowEvent evt;
+
+    buffer->WaitForEventWithTimeout (buffer, 0, 10);
+
+    while (buffer->GetEvent (buffer, DFB_EVENT (&evt)) == DFB_OK) {
+      IDirectFBWindow *window;
+
+      if (evt.window_id == id1)
+        window = window1;
+      else if (evt.window_id == id3)
+        window = window3;
+      else
+        window = window2;
+
+      if (evt.type == DWET_GOTFOCUS) {
+        active = window;
+      } else if (active) {
+        switch (evt.type) {
+
+          case DWET_BUTTONDOWN:
+            if (!grabbed && evt.button == DIBI_LEFT) {
+              grabbed = 1;
+              startx = evt.cx;
+              starty = evt.cy;
+              window->GrabPointer (window);
+            }
+            break;
+
+          case DWET_BUTTONUP:
+            switch (evt.button) {
+              case DIBI_LEFT:
+                if (grabbed) {
+                  window->UngrabPointer (window);
+                  grabbed = 0;
+                }
+                break;
+              case DIBI_MIDDLE:
+                active->RaiseToTop (active);
+                break;
+              case DIBI_RIGHT:
+                quit = DIKS_DOWN;
+                break;
+              default:
+                break;
+            }
+            break;
+
+          case DWET_KEYDOWN:
+            if (grabbed)
+              break;
+            switch (evt.key_id) {
+              case DIKI_RIGHT:
+                active->Move (active, 1, 0);
+                break;
+              case DIKI_LEFT:
+                active->Move (active, -1, 0);
+                break;
+              case DIKI_UP:
+                active->Move (active, 0, -1);
+                break;
+              case DIKI_DOWN:
+                active->Move (active, 0, 1);
+                break;
+              default:
+                break;
+            }
+            break;
+
+          case DWET_LOSTFOCUS:
+            if (!grabbed && active == window)
+              active = NULL;
+            break;
+
+          default:
+            break;
+
+        }
+      }
+
+      switch (evt.type) {
+
+        case DWET_MOTION:
+          endx = evt.cx;
+          endy = evt.cy;
+          break;
+
+        case DWET_KEYDOWN:
+          switch (evt.key_symbol) {
+            case DIKS_ESCAPE:
+            case DIKS_SMALL_Q:
+            case DIKS_CAPITAL_Q:
+            case DIKS_BACK:
+            case DIKS_STOP:
+              quit = 1;
+              break;
+            default:
+              break;
+          }
+          break;
+
+        default:
+          break;
+      }
+    }
+
+    if (video_provider)
+      window_surface2->Flip (window_surface2, NULL, 0);
+
+    if (active) {
+      if (grabbed) {
+        active->Move (active, endx - startx, endy - starty);
+        startx = endx;
+        starty = endy;
+      }
+      active->SetOpacity (active, (sin (myclock () / 300.0) * 85) + 170);
+    }
+  }
+
+  if (video_provider)
+    video_provider->Release (video_provider);
+
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+
+  buffer->Release (buffer);
+  font->Release (font);
+  window_surface2->Release (window_surface2);
+  window_surface1->Release (window_surface1);
+  window_surface3->Release (window_surface3);
+  window2->Release (window2);
+  window1->Release (window1);
+  window3->Release (window3);
+  layer->Release (layer);
+  bgsurface->Release (bgsurface);
+  dfb->Release (dfb);
+
+  return 42;
+}