mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-02 04:35:55 +00:00
winscreencap: Initial port to 1.0
This commit is contained in:
Sebastian Dröge
parent
85c1510d6b
commit
e2b83ff8a0
27
configure.ac
27
configure.ac
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@ -347,7 +347,7 @@ GST_PLUGINS_NONPORTED=" cdxaparse \
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apexsink cdaudio dc1394 directfb \
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gsettings \
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musepack nas sdl sndfile timidity \
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directdraw direct3d9 acm wininet \
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directdraw acm wininet \
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xvid lv2 teletextdec sndio osx_video quicktime"
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AC_SUBST(GST_PLUGINS_NONPORTED)
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@ -757,36 +757,35 @@ AG_GST_CHECK_FEATURE(DIRECTDRAW, [DirectDraw plug-in], directdrawsink, [
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AC_SUBST(HAVE_DIRECTDRAW)
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])
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dnl Direct3D9
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AM_CONDITIONAL(USE_DIRECT3D9, true)
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AG_GST_CHECK_FEATURE(DIRECT3D9, [Direct3D9], winscreencap, [
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HAVE_DIRECT3D9="no"
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dnl winscreencap
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translit(dnm, m, l) AM_CONDITIONAL(USE_WINSCREENCAP, true)
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AG_GST_CHECK_FEATURE(WINSCREENCAP, [winscreencap plug-in], winscreencap, [
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HAVE_WINSCREENCAP="no"
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save_CFLAGS="$CFLAGS"
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save_LDFLAGS="$LDFLAGS"
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save_LIBS="$LIBS"
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CFLAGS="$CFLAGS $DIRECTX_CFLAGS"
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LDFLAGS="$LDFLAGS $DIRECTX_LDFLAGS"
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LIBS="$LIBS -ld3d9 -lgdi32"
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AC_MSG_CHECKING(for Direct3D9 LDFLAGS)
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AC_MSG_CHECKING(for Direct3D LDFLAGS)
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#include <windows.h>
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#include <d3d9.h>
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]], [[
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Direct3DCreate9(D3D_SDK_VERSION);
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]])],
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[HAVE_DIRECT3D9="yes"],
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[HAVE_DIRECT3D9="no"])
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AC_MSG_RESULT($HAVE_DIRECT3D9)
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[HAVE_WINSCREENCAP="yes"],
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[HAVE_WINSCREENCAP="no"])
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AC_MSG_RESULT($HAVE_WINSCREENCAP)
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CFLAGS=$save_CFLAGS
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LDFLAGS=$save_LDFLAGS
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LIBS=$save_LIBS
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if test "x$HAVE_DIRECT3D9" = "xyes"; then
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DIRECT3D9_LIBS="-ld3d9 -lgdi32"
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AC_SUBST(DIRECT3D9_LIBS)
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if test "x$HAVE_WINSCREENCAP" = "xyes"; then
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WINSCREENCAP_LIBS="-ld3d9 -lgdi32"
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AC_SUBST(WINSCREENCAP_LIBS)
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fi
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AC_SUBST(HAVE_DIRECT3D9)
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AC_SUBST(HAVE_WINSCREENCAP)
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])
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dnl DirectShow
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@ -148,7 +148,7 @@ else
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VDPAU_DIR=
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endif
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if USE_DIRECT3D9
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if USE_WINSCREENCAP
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WINSCREENCAP_DIR=winscreencap
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else
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WINSCREENCAP_DIR=
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@ -2,10 +2,10 @@ plugin_LTLIBRARIES = libgstwinscreencap.la
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libgstwinscreencap_la_SOURCES = gstdx9screencapsrc.c gstgdiscreencapsrc.c gstwinscreencap.c
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libgstwinscreencap_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) \
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$(GST_PLUGINS_BASE_CFLAGS) $(DIRECT3D9_CFLAGS) $(DIRECTX_CFLAGS)
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$(GST_PLUGINS_BASE_CFLAGS) $(WINSCREENCAP_CFLAGS) $(DIRECTX_CFLAGS)
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libgstwinscreencap_la_LIBADD = $(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) \
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$(DIRECT3D9_LIBS) $(DIRECTX_LDFLAGS)
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$(WINSCREENCAP_LIBS) $(DIRECTX_LDFLAGS)
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libgstwinscreencap_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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libgstwinscreencap_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)
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noinst_HEADERS= gstwinscreencap.h
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noinst_HEADERS= gstwinscreencap.h gstdx9screencapsrc.h gstgdiscreencapsrc.h
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@ -48,18 +48,14 @@
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GST_DEBUG_CATEGORY_STATIC (dx9screencapsrc_debug);
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#define GST_VIDEO_ALPHA_MASK_15_INT 0x8000
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static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw-rgb,"
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"width = " GST_VIDEO_SIZE_RANGE ","
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"height = " GST_VIDEO_SIZE_RANGE "," "framerate = " GST_VIDEO_FPS_RANGE)
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("BGR"))
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);
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GST_BOILERPLATE (GstDX9ScreenCapSrc, gst_dx9screencapsrc,
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GstPushSrc, GST_TYPE_PUSH_SRC);
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#define gst_dx9screencapsrc_parent_class parent_class
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G_DEFINE_TYPE (GstDX9ScreenCapSrc, gst_dx9screencapsrc, GST_TYPE_PUSH_SRC);
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enum
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{
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@ -74,19 +70,16 @@ enum
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static IDirect3D9 *g_d3d9 = NULL;
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/* Fwd. decl. */
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static GstCaps *gst_dx9screencapsrc_create_caps_from_format (D3DFORMAT fmt,
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gint width, gint height);
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static void gst_dx9screencapsrc_dispose (GObject * object);
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static void gst_dx9screencapsrc_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_dx9screencapsrc_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static void gst_dx9screencapsrc_fixate (GstPad * pad, GstCaps * caps);
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static GstCaps * gst_dx9screencapsrc_fixate (GstBaseSrc * bsrc, GstCaps * caps);
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static gboolean gst_dx9screencapsrc_set_caps (GstBaseSrc * bsrc,
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GstCaps * caps);
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static GstCaps *gst_dx9screencapsrc_get_caps (GstBaseSrc * bsrc);
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static GstCaps *gst_dx9screencapsrc_get_caps (GstBaseSrc * bsrc, GstCaps * filter);
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static gboolean gst_dx9screencapsrc_start (GstBaseSrc * bsrc);
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static gboolean gst_dx9screencapsrc_stop (GstBaseSrc * bsrc);
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@ -96,27 +89,16 @@ static GstFlowReturn gst_dx9screencapsrc_create (GstPushSrc * src,
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GstBuffer ** buf);
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/* Implementation. */
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static void
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gst_dx9screencapsrc_base_init (gpointer klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_template));
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gst_element_class_set_static_metadata (element_class,
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"DirectX 9 screen capture source", "Source/Video", "Captures screen",
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"Haakon Sporsheim <hakon.sporsheim@tandberg.com>");
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}
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static void
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gst_dx9screencapsrc_class_init (GstDX9ScreenCapSrcClass * klass)
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{
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GObjectClass *go_class;
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GstElementClass *e_class;
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GstBaseSrcClass *bs_class;
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GstPushSrcClass *ps_class;
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go_class = (GObjectClass *) klass;
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e_class = (GstElementClass *) klass;
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bs_class = (GstBaseSrcClass *) klass;
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ps_class = (GstPushSrcClass *) klass;
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@ -129,6 +111,7 @@ gst_dx9screencapsrc_class_init (GstDX9ScreenCapSrcClass * klass)
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bs_class->set_caps = GST_DEBUG_FUNCPTR (gst_dx9screencapsrc_set_caps);
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bs_class->start = GST_DEBUG_FUNCPTR (gst_dx9screencapsrc_start);
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bs_class->stop = GST_DEBUG_FUNCPTR (gst_dx9screencapsrc_stop);
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bs_class->fixate = GST_DEBUG_FUNCPTR (gst_dx9screencapsrc_fixate);
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ps_class->create = GST_DEBUG_FUNCPTR (gst_dx9screencapsrc_create);
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@ -155,19 +138,21 @@ gst_dx9screencapsrc_class_init (GstDX9ScreenCapSrcClass * klass)
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"Height of screen capture area (0 = maximum)",
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0, G_MAXINT, 0, G_PARAM_READWRITE));
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gst_element_class_add_pad_template (e_class,
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gst_static_pad_template_get (&src_template));
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gst_element_class_set_static_metadata (e_class,
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"DirectX 9 screen capture source", "Source/Video", "Captures screen",
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"Haakon Sporsheim <hakon.sporsheim@tandberg.com>");
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GST_DEBUG_CATEGORY_INIT (dx9screencapsrc_debug, "dx9screencapsrc", 0,
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"DirectX 9 screen capture source");
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}
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static void
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gst_dx9screencapsrc_init (GstDX9ScreenCapSrc * src,
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GstDX9ScreenCapSrcClass * klass)
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gst_dx9screencapsrc_init (GstDX9ScreenCapSrc * src)
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{
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/* Set src element inital values... */
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GstPad *src_pad = GST_BASE_SRC_PAD (src);
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gst_pad_set_fixatecaps_function (src_pad, gst_dx9screencapsrc_fixate);
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src->frames = 0;
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src->surface = NULL;
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src->d3d9_device = NULL;
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@ -206,6 +191,8 @@ gst_dx9screencapsrc_dispose (GObject * object)
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if (!IDirect3D9_Release (g_d3d9))
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g_d3d9 = NULL;
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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@ -268,16 +255,22 @@ gst_dx9screencapsrc_get_property (GObject * object, guint prop_id,
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};
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}
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static void
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gst_dx9screencapsrc_fixate (GstPad * pad, GstCaps * caps)
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static GstCaps *
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gst_dx9screencapsrc_fixate (GstBaseSrc * bsrc, GstCaps * caps)
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{
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GstStructure *structure;
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caps = gst_caps_make_writable (caps);
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structure = gst_caps_get_structure (caps, 0);
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gst_structure_fixate_field_nearest_int (structure, "width", 640);
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gst_structure_fixate_field_nearest_int (structure, "height", 480);
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gst_structure_fixate_field_nearest_fraction (structure, "framerate", 30, 1);
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caps = GST_BASE_SRC_CLASS (parent_class)->fixate (bsrc, caps);
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return caps;
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}
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static gboolean
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@ -312,10 +305,11 @@ gst_dx9screencapsrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
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}
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static GstCaps *
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gst_dx9screencapsrc_get_caps (GstBaseSrc * bsrc)
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gst_dx9screencapsrc_get_caps (GstBaseSrc * bsrc, GstCaps * filter)
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{
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GstDX9ScreenCapSrc *src = GST_DX9SCREENCAPSRC (bsrc);
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RECT rect_dst;
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GstCaps * caps;
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if (src->monitor >= IDirect3D9_GetAdapterCount (g_d3d9) ||
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FAILED (IDirect3D9_GetAdapterDisplayMode (g_d3d9, src->monitor,
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@ -350,83 +344,20 @@ gst_dx9screencapsrc_get_caps (GstBaseSrc * bsrc)
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* the DirectX documentation ARGB is NOT a valid display buffer format,
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* but xRGB is.
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*/
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return gst_dx9screencapsrc_create_caps_from_format (D3DFMT_X8R8G8B8,
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rect_dst.right - rect_dst.left, rect_dst.bottom - rect_dst.top);
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}
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caps = gst_caps_new_simple ("video/x-raw",
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"format", G_TYPE_STRING, "BGRx",
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"width", G_TYPE_INT, rect_dst.right - rect_dst.left,
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"height", G_TYPE_INT, rect_dst.bottom - rect_dst.top,
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"framerate", GST_TYPE_FRACTION_RANGE, 1, 1, G_MAXINT, 1,
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"pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1, NULL);
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static GstCaps *
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gst_dx9screencapsrc_create_caps_from_format (D3DFORMAT fmt,
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gint width, gint height)
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{
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gint bpp, depth, endianness;
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gint red, green, blue, alpha;
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switch (fmt) {
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case D3DFMT_A8R8G8B8:
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bpp = depth = 32;
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endianness = G_BIG_ENDIAN;
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alpha = GST_VIDEO_BYTE4_MASK_32_INT;
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red = GST_VIDEO_BYTE3_MASK_32_INT;
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green = GST_VIDEO_BYTE2_MASK_32_INT;
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blue = GST_VIDEO_BYTE1_MASK_32_INT;
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break;
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case D3DFMT_X8R8G8B8:
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bpp = 32;
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depth = 24;
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endianness = G_BIG_ENDIAN;
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alpha = 0;
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red = GST_VIDEO_BYTE3_MASK_32_INT;
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green = GST_VIDEO_BYTE2_MASK_32_INT;
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blue = GST_VIDEO_BYTE1_MASK_32_INT;
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break;
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case D3DFMT_R8G8B8:
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endianness = G_BIG_ENDIAN;
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bpp = depth = 24;
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alpha = 0;
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red = GST_VIDEO_BYTE1_MASK_24_INT;
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green = GST_VIDEO_BYTE2_MASK_24_INT;
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blue = GST_VIDEO_BYTE3_MASK_24_INT;
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break;
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case D3DFMT_A1R5G5B5:
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bpp = 16;
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depth = 15;
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endianness = G_BYTE_ORDER;
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alpha = GST_VIDEO_ALPHA_MASK_15_INT;
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red = GST_VIDEO_COMP1_MASK_15_INT;
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green = GST_VIDEO_COMP2_MASK_15_INT;
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blue = GST_VIDEO_COMP3_MASK_15_INT;
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break;
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case D3DFMT_X1R5G5B5:
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bpp = 16;
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depth = 15;
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endianness = G_BYTE_ORDER;
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alpha = 0;
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red = GST_VIDEO_COMP1_MASK_15_INT;
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green = GST_VIDEO_COMP2_MASK_15_INT;
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blue = GST_VIDEO_COMP3_MASK_15_INT;
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break;
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case D3DFMT_R5G6B5:
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bpp = depth = 16;
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endianness = G_BYTE_ORDER;
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alpha = 0;
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red = GST_VIDEO_COMP1_MASK_15_INT;
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green = GST_VIDEO_COMP2_MASK_15_INT;
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blue = GST_VIDEO_COMP3_MASK_15_INT;
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break;
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default:
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return NULL;
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if (filter) {
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GstCaps * tmp = gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
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gst_caps_unref (caps);
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caps = tmp;
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}
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return gst_caps_new_simple ("video/x-raw-rgb",
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"width", G_TYPE_INT, width,
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"height", G_TYPE_INT, height,
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"framerate", GST_TYPE_FRACTION_RANGE, 1, 1, G_MAXINT, 1,
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"bpp", G_TYPE_INT, bpp,
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"depth", G_TYPE_INT, depth,
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"endianness", G_TYPE_INT, endianness,
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"alpha_mask", G_TYPE_INT, alpha,
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"red_mask", G_TYPE_INT, red,
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"green_mask", G_TYPE_INT, green, "blue_mask", G_TYPE_INT, blue, NULL);
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return caps;
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}
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static gboolean
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@ -498,7 +429,6 @@ gst_dx9screencapsrc_create (GstPushSrc * push_src, GstBuffer ** buf)
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{
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GstDX9ScreenCapSrc *src = GST_DX9SCREENCAPSRC (push_src);
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GstBuffer *new_buf;
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GstFlowReturn res;
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gint new_buf_size, i;
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gint width, height, stride;
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GstClock *clock;
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@ -507,6 +437,7 @@ gst_dx9screencapsrc_create (GstPushSrc * push_src, GstBuffer ** buf)
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D3DLOCKED_RECT locked_rect;
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LPBYTE p_dst, p_src;
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HRESULT hres;
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GstMapInfo map;
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if (G_UNLIKELY (!src->d3d9_device)) {
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GST_ELEMENT_ERROR (src, CORE, NEGOTIATION, (NULL),
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@ -534,22 +465,13 @@ gst_dx9screencapsrc_create (GstPushSrc * push_src, GstBuffer ** buf)
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new_buf_size = width * 4 * height;
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if (G_UNLIKELY (src->rate_numerator == 0 && src->frames == 1)) {
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GST_DEBUG_OBJECT (src, "eos: 0 framerate, frame %d", (gint) src->frames);
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return GST_FLOW_UNEXPECTED;
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return GST_FLOW_EOS;
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}
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GST_LOG_OBJECT (src,
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"creating buffer of %d bytes with %dx%d image for frame %d",
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new_buf_size, width, height, (gint) src->frames);
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res = gst_pad_alloc_buffer_and_set_caps (GST_BASE_SRC_PAD (src),
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GST_BUFFER_OFFSET_NONE, new_buf_size,
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GST_PAD_CAPS (GST_BASE_SRC_PAD (push_src)), &new_buf);
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if (res != GST_FLOW_OK) {
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GST_DEBUG_OBJECT (src, "could not allocate buffer, reason %s",
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gst_flow_get_name (res));
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return res;
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}
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/* Do screen capture and put it into buffer...
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* Aquire front buffer, and lock it
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*/
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@ -557,7 +479,7 @@ gst_dx9screencapsrc_create (GstPushSrc * push_src, GstBuffer ** buf)
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IDirect3DDevice9_GetFrontBufferData (src->d3d9_device, 0, src->surface);
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if (FAILED (hres)) {
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GST_DEBUG_OBJECT (src, "DirectX::GetBackBuffer failed.");
|
||||
return GST_FLOW_UNEXPECTED;
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
|
||||
hres =
|
||||
|
|
@ -565,10 +487,12 @@ gst_dx9screencapsrc_create (GstPushSrc * push_src, GstBuffer ** buf)
|
|||
D3DLOCK_NO_DIRTY_UPDATE | D3DLOCK_NOSYSLOCK | D3DLOCK_READONLY);
|
||||
if (FAILED (hres)) {
|
||||
GST_DEBUG_OBJECT (src, "DirectX::LockRect failed.");
|
||||
return GST_FLOW_UNEXPECTED;
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
|
||||
p_dst = (LPBYTE) GST_BUFFER_DATA (new_buf);
|
||||
new_buf = gst_buffer_new_and_alloc (new_buf_size);
|
||||
gst_buffer_map (new_buf, &map, GST_MAP_WRITE);
|
||||
p_dst = (LPBYTE) map.data;
|
||||
p_src = (LPBYTE) locked_rect.pBits;
|
||||
stride = width * 4;
|
||||
for (i = 0; i < height; ++i) {
|
||||
|
|
@ -576,6 +500,7 @@ gst_dx9screencapsrc_create (GstPushSrc * push_src, GstBuffer ** buf)
|
|||
p_dst += stride;
|
||||
p_src += locked_rect.Pitch;
|
||||
}
|
||||
gst_buffer_unmap (new_buf, &map);
|
||||
|
||||
/* Unlock copy of front buffer */
|
||||
IDirect3DSurface9_UnlockRect (src->surface);
|
||||
|
|
@ -604,3 +529,4 @@ gst_dx9screencapsrc_create (GstPushSrc * push_src, GstBuffer ** buf)
|
|||
*buf = new_buf;
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -20,9 +20,10 @@
|
|||
#ifndef __GST_DX9SCREENCAPSRC_H__
|
||||
#define __GST_DX9SCREENCAPSRC_H__
|
||||
|
||||
#include <d3d9.h>
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/base/gstpushsrc.h>
|
||||
#include <d3d9.h>
|
||||
|
||||
#include "gstwinscreencap.h"
|
||||
|
||||
|
|
|
|||
|
|
@ -53,10 +53,10 @@ GST_DEBUG_CATEGORY_STATIC (gdiscreencapsrc_debug);
|
|||
|
||||
static GstStaticPadTemplate src_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS (GST_VIDEO_CAPS_BGR));
|
||||
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("BGR")));
|
||||
|
||||
GST_BOILERPLATE (GstGDIScreenCapSrc, gst_gdiscreencapsrc,
|
||||
GstPushSrc, GST_TYPE_PUSH_SRC);
|
||||
#define gst_gdiscreencapsrc_parent_class parent_class
|
||||
G_DEFINE_TYPE (GstGDIScreenCapSrc, gst_gdiscreencapsrc, GST_TYPE_PUSH_SRC);
|
||||
|
||||
enum
|
||||
{
|
||||
|
|
@ -76,10 +76,10 @@ static void gst_gdiscreencapsrc_set_property (GObject * object, guint prop_id,
|
|||
static void gst_gdiscreencapsrc_get_property (GObject * object, guint prop_id,
|
||||
GValue * value, GParamSpec * pspec);
|
||||
|
||||
static void gst_gdiscreencapsrc_fixate (GstPad * pad, GstCaps * caps);
|
||||
static GstCaps * gst_gdiscreencapsrc_fixate (GstBaseSrc * bsrc, GstCaps * caps);
|
||||
static gboolean gst_gdiscreencapsrc_set_caps (GstBaseSrc * bsrc,
|
||||
GstCaps * caps);
|
||||
static GstCaps *gst_gdiscreencapsrc_get_caps (GstBaseSrc * bsrc);
|
||||
static GstCaps *gst_gdiscreencapsrc_get_caps (GstBaseSrc * bsrc, GstCaps * filter);
|
||||
static gboolean gst_gdiscreencapsrc_start (GstBaseSrc * bsrc);
|
||||
static gboolean gst_gdiscreencapsrc_stop (GstBaseSrc * bsrc);
|
||||
|
||||
|
|
@ -92,26 +92,16 @@ static gboolean gst_gdiscreencapsrc_screen_capture (GstGDIScreenCapSrc * src,
|
|||
GstBuffer * buf);
|
||||
|
||||
/* Implementation. */
|
||||
static void
|
||||
gst_gdiscreencapsrc_base_init (gpointer klass)
|
||||
{
|
||||
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
||||
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&src_template));
|
||||
gst_element_class_set_static_metadata (element_class,
|
||||
"GDI screen capture source", "Source/Video", "Captures screen",
|
||||
"Haakon Sporsheim <hakon.sporsheim@tandberg.com>");
|
||||
}
|
||||
|
||||
static void
|
||||
gst_gdiscreencapsrc_class_init (GstGDIScreenCapSrcClass * klass)
|
||||
{
|
||||
GObjectClass *go_class;
|
||||
GstElementClass *e_class;
|
||||
GstBaseSrcClass *bs_class;
|
||||
GstPushSrcClass *ps_class;
|
||||
|
||||
go_class = (GObjectClass *) klass;
|
||||
e_class = (GstElementClass *) klass;
|
||||
bs_class = (GstBaseSrcClass *) klass;
|
||||
ps_class = (GstPushSrcClass *) klass;
|
||||
|
||||
|
|
@ -124,6 +114,7 @@ gst_gdiscreencapsrc_class_init (GstGDIScreenCapSrcClass * klass)
|
|||
bs_class->set_caps = GST_DEBUG_FUNCPTR (gst_gdiscreencapsrc_set_caps);
|
||||
bs_class->start = GST_DEBUG_FUNCPTR (gst_gdiscreencapsrc_start);
|
||||
bs_class->stop = GST_DEBUG_FUNCPTR (gst_gdiscreencapsrc_stop);
|
||||
bs_class->fixate = GST_DEBUG_FUNCPTR (gst_gdiscreencapsrc_fixate);
|
||||
|
||||
ps_class->create = GST_DEBUG_FUNCPTR (gst_gdiscreencapsrc_create);
|
||||
|
||||
|
|
@ -155,17 +146,20 @@ gst_gdiscreencapsrc_class_init (GstGDIScreenCapSrcClass * klass)
|
|||
"Height of screen capture area (0 = maximum)",
|
||||
0, G_MAXINT, 0, G_PARAM_READWRITE));
|
||||
|
||||
gst_element_class_add_pad_template (e_class,
|
||||
gst_static_pad_template_get (&src_template));
|
||||
gst_element_class_set_static_metadata (e_class,
|
||||
"GDI screen capture source", "Source/Video", "Captures screen",
|
||||
"Haakon Sporsheim <hakon.sporsheim@tandberg.com>");
|
||||
|
||||
GST_DEBUG_CATEGORY_INIT (gdiscreencapsrc_debug,
|
||||
"gdiscreencapsrc", 0, "GDI screen capture source");
|
||||
}
|
||||
|
||||
static void
|
||||
gst_gdiscreencapsrc_init (GstGDIScreenCapSrc * src,
|
||||
GstGDIScreenCapSrcClass * klass)
|
||||
gst_gdiscreencapsrc_init (GstGDIScreenCapSrc * src)
|
||||
{
|
||||
/* Set src element inital values... */
|
||||
GstPad *src_pad = GST_BASE_SRC_PAD (src);
|
||||
gst_pad_set_fixatecaps_function (src_pad, gst_gdiscreencapsrc_fixate);
|
||||
|
||||
src->frames = 0;
|
||||
src->dibMem = NULL;
|
||||
|
|
@ -197,6 +191,8 @@ gst_gdiscreencapsrc_dispose (GObject * object)
|
|||
src->hBitmap = (HBITMAP) INVALID_HANDLE_VALUE;
|
||||
src->memDC = (HDC) INVALID_HANDLE_VALUE;
|
||||
src->dibMem = NULL;
|
||||
|
||||
G_OBJECT_CLASS (parent_class)->dispose (object);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -265,16 +261,22 @@ gst_gdiscreencapsrc_get_property (GObject * object, guint prop_id,
|
|||
};
|
||||
}
|
||||
|
||||
static void
|
||||
gst_gdiscreencapsrc_fixate (GstPad * pad, GstCaps * caps)
|
||||
static GstCaps *
|
||||
gst_gdiscreencapsrc_fixate (GstBaseSrc * bsrc, GstCaps * caps)
|
||||
{
|
||||
GstStructure *structure;
|
||||
|
||||
caps = gst_caps_make_writable (caps);
|
||||
|
||||
structure = gst_caps_get_structure (caps, 0);
|
||||
|
||||
gst_structure_fixate_field_nearest_int (structure, "width", 640);
|
||||
gst_structure_fixate_field_nearest_int (structure, "height", 480);
|
||||
gst_structure_fixate_field_nearest_fraction (structure, "framerate", 30, 1);
|
||||
|
||||
caps = GST_BASE_SRC_CLASS (parent_class)->fixate (bsrc, caps);
|
||||
|
||||
return caps;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
|
|
@ -285,29 +287,9 @@ gst_gdiscreencapsrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
|
|||
HDC device;
|
||||
GstStructure *structure;
|
||||
const GValue *framerate;
|
||||
gint red_mask, green_mask, blue_mask;
|
||||
gint bpp;
|
||||
|
||||
structure = gst_caps_get_structure (caps, 0);
|
||||
|
||||
gst_structure_get_int (structure, "red_mask", &red_mask);
|
||||
gst_structure_get_int (structure, "green_mask", &green_mask);
|
||||
gst_structure_get_int (structure, "blue_mask", &blue_mask);
|
||||
if (blue_mask != GST_VIDEO_BYTE1_MASK_24_INT ||
|
||||
green_mask != GST_VIDEO_BYTE2_MASK_24_INT ||
|
||||
red_mask != GST_VIDEO_BYTE3_MASK_24_INT) {
|
||||
GST_ERROR ("Wrong red_,green_,blue_ mask provided. "
|
||||
"We only support RGB and BGR");
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
gst_structure_get_int (structure, "bpp", &bpp);
|
||||
if (bpp != 24) {
|
||||
GST_ERROR ("Wrong bpp provided %d. We only support 24 bpp", bpp);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
src->src_rect = src->screen_rect;
|
||||
if (src->capture_w && src->capture_h) {
|
||||
src->src_rect.left += src->capture_x;
|
||||
|
|
@ -359,10 +341,11 @@ gst_gdiscreencapsrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
|
|||
}
|
||||
|
||||
static GstCaps *
|
||||
gst_gdiscreencapsrc_get_caps (GstBaseSrc * bsrc)
|
||||
gst_gdiscreencapsrc_get_caps (GstBaseSrc * bsrc, GstCaps * filter)
|
||||
{
|
||||
GstGDIScreenCapSrc *src = GST_GDISCREENCAPSRC (bsrc);
|
||||
RECT rect_dst;
|
||||
GstCaps *caps;
|
||||
|
||||
src->screen_rect = rect_dst = gst_win32_get_monitor_rect (src->monitor);
|
||||
|
||||
|
|
@ -383,16 +366,20 @@ gst_gdiscreencapsrc_get_caps (GstBaseSrc * bsrc)
|
|||
(gint) (rect_dst.right - rect_dst.left),
|
||||
(gint) (rect_dst.bottom - rect_dst.top));
|
||||
|
||||
return gst_caps_new_simple ("video/x-raw-rgb",
|
||||
"bpp", G_TYPE_INT, 24,
|
||||
"depth", G_TYPE_INT, 24,
|
||||
"endianness", G_TYPE_INT, G_BIG_ENDIAN,
|
||||
"red_mask", G_TYPE_INT, GST_VIDEO_BYTE3_MASK_24_INT,
|
||||
"green_mask", G_TYPE_INT, GST_VIDEO_BYTE2_MASK_24_INT,
|
||||
"blue_mask", G_TYPE_INT, GST_VIDEO_BYTE1_MASK_24_INT,
|
||||
caps = gst_caps_new_simple ("video/x-raw",
|
||||
"format", G_TYPE_STRING, "BGR",
|
||||
"width", G_TYPE_INT, rect_dst.right - rect_dst.left,
|
||||
"height", G_TYPE_INT, rect_dst.bottom - rect_dst.top,
|
||||
"framerate", GST_TYPE_FRACTION_RANGE, 1, G_MAXINT, G_MAXINT, 1, NULL);
|
||||
"framerate", GST_TYPE_FRACTION_RANGE, 1, G_MAXINT, G_MAXINT, 1,
|
||||
"pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1, NULL);
|
||||
|
||||
if (filter) {
|
||||
GstCaps * tmp = gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
|
||||
gst_caps_unref (caps);
|
||||
caps = tmp;
|
||||
}
|
||||
|
||||
return caps;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
|
|
@ -437,7 +424,6 @@ gst_gdiscreencapsrc_create (GstPushSrc * push_src, GstBuffer ** buf)
|
|||
{
|
||||
GstGDIScreenCapSrc *src = GST_GDISCREENCAPSRC (push_src);
|
||||
GstBuffer *new_buf;
|
||||
GstFlowReturn res;
|
||||
gint new_buf_size;
|
||||
GstClock *clock;
|
||||
GstClockTime time = GST_CLOCK_TIME_NONE;
|
||||
|
|
@ -450,7 +436,7 @@ gst_gdiscreencapsrc_create (GstPushSrc * push_src, GstBuffer ** buf)
|
|||
return GST_FLOW_NOT_NEGOTIATED;
|
||||
} else if (G_UNLIKELY (src->rate_numerator == 0 && src->frames == 1)) {
|
||||
GST_DEBUG_OBJECT (src, "eos: 0 framerate, frame %d", (gint) src->frames);
|
||||
return GST_FLOW_UNEXPECTED;
|
||||
return GST_FLOW_EOS;
|
||||
}
|
||||
|
||||
new_buf_size = GST_ROUND_UP_4 (src->info.bmiHeader.biWidth * 3) *
|
||||
|
|
@ -461,16 +447,7 @@ gst_gdiscreencapsrc_create (GstPushSrc * push_src, GstBuffer ** buf)
|
|||
new_buf_size, (gint) src->info.bmiHeader.biWidth,
|
||||
(gint) (-src->info.bmiHeader.biHeight), (gint) src->frames);
|
||||
|
||||
res =
|
||||
gst_pad_alloc_buffer_and_set_caps (GST_BASE_SRC_PAD (src),
|
||||
GST_BUFFER_OFFSET_NONE, new_buf_size,
|
||||
GST_PAD_CAPS (GST_BASE_SRC_PAD (push_src)), &new_buf);
|
||||
if (res != GST_FLOW_OK) {
|
||||
GST_DEBUG_OBJECT (src, "could not allocate buffer, reason %s",
|
||||
gst_flow_get_name (res));
|
||||
return res;
|
||||
}
|
||||
|
||||
new_buf = gst_buffer_new_and_alloc (new_buf_size);
|
||||
clock = gst_element_get_clock (GST_ELEMENT (src));
|
||||
if (clock) {
|
||||
/* Calculate sync time. */
|
||||
|
|
@ -501,13 +478,12 @@ gst_gdiscreencapsrc_create (GstPushSrc * push_src, GstBuffer ** buf)
|
|||
/* NONE means forever */
|
||||
GST_BUFFER_DURATION (new_buf) = GST_CLOCK_TIME_NONE;
|
||||
}
|
||||
gst_object_unref (clock);
|
||||
|
||||
GST_BUFFER_OFFSET (new_buf) = src->frames;
|
||||
src->frames++;
|
||||
GST_BUFFER_OFFSET_END (new_buf) = src->frames;
|
||||
|
||||
gst_object_unref (clock);
|
||||
|
||||
*buf = new_buf;
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
|
@ -518,6 +494,7 @@ gst_gdiscreencapsrc_screen_capture (GstGDIScreenCapSrc * src, GstBuffer * buf)
|
|||
HWND capture;
|
||||
HDC winDC;
|
||||
gint height, width;
|
||||
GstMapInfo map;
|
||||
|
||||
if (G_UNLIKELY (!src->hBitmap || !src->dibMem))
|
||||
return FALSE;
|
||||
|
|
@ -556,7 +533,9 @@ gst_gdiscreencapsrc_screen_capture (GstGDIScreenCapSrc * src, GstBuffer * buf)
|
|||
}
|
||||
|
||||
/* Copy DC bits to GST buffer */
|
||||
memcpy (GST_BUFFER_DATA (buf), src->dibMem, GST_BUFFER_SIZE (buf));
|
||||
gst_buffer_map (buf, &map, GST_MAP_WRITE);
|
||||
memcpy (map.data, src->dibMem, map.size);
|
||||
gst_buffer_unmap (buf, &map);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -22,7 +22,6 @@
|
|||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/base/gstpushsrc.h>
|
||||
#include <gst/interfaces/propertyprobe.h>
|
||||
|
||||
#include "gstwinscreencap.h"
|
||||
|
||||
|
|
|
|||
|
|
@ -20,8 +20,9 @@
|
|||
#ifndef __GST_WINSCREENCAP_H__
|
||||
#define __GST_WINSCREENCAP_H__
|
||||
|
||||
#include <glib.h>
|
||||
#include <windows.h>
|
||||
#include <glib.h>
|
||||
#include <gst/gst.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue