diff options
Diffstat (limited to 'ext/directfb/directfbvideosink.c')
| -rw-r--r-- | ext/directfb/directfbvideosink.c | 796 |
1 files changed, 796 insertions, 0 deletions
diff --git a/ext/directfb/directfbvideosink.c b/ext/directfb/directfbvideosink.c new file mode 100644 index 00000000..32719539 --- /dev/null +++ b/ext/directfb/directfbvideosink.c @@ -0,0 +1,796 @@ +/* GStreamer DirectFB plugin + * Copyright (C) 2004 Julien MOUTTE <julien@moutte.net> + * + * 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 + +/* Our interfaces */ +#include <gst/navigation/navigation.h> + +/* Object header */ +#include "directfbvideosink.h" + +/* Debugging category */ +#include <gst/gstinfo.h> +GST_DEBUG_CATEGORY_STATIC (gst_debug_directfbvideosink); +#define GST_CAT_DEFAULT gst_debug_directfbvideosink + +/* ElementFactory information */ +static GstElementDetails gst_directfbvideosink_details = +GST_ELEMENT_DETAILS ("Video sink", + "Sink/Video", + "A DirectFB based videosink", + "Julien Moutte <julien@moutte.net>"); + +/* Default template */ +static GstStaticPadTemplate gst_directfbvideosink_sink_template_factory = + GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("video/x-raw-rgb, " + "framerate = (double) [ 1.0, 100.0 ], " + "width = (int) [ 1, MAX ], " + "height = (int) [ 1, MAX ]; " + "video/x-raw-yuv, " + "framerate = (double) [ 1.0, 100.0 ], " + "width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ]") + ); + +/* Signals and args */ +enum +{ + ARG_0, + ARG_SURFACE, +}; + +static GstVideoSinkClass *parent_class = NULL; + +/* ============================================================= */ +/* */ +/* Private Methods */ +/* */ +/* ============================================================= */ + +/* Creates internal surface */ +static gboolean +gst_directfbvideosink_create (GstDirectFBVideoSink * directfbvideosink) +{ + DFBResult ret; + DFBSurfaceDescription s_dsc; + + g_return_val_if_fail (directfbvideosink != NULL, FALSE); + g_return_val_if_fail (GST_IS_DIRECTFBVIDEOSINK (directfbvideosink), FALSE); + + /* Creating an internal surface which will be used as GstBuffer, we used + the detected pixel format and video dimensions */ + s_dsc.flags = DSDESC_PIXELFORMAT | DSDESC_WIDTH | DSDESC_HEIGHT; + s_dsc.pixelformat = directfbvideosink->pixel_format; + s_dsc.width = directfbvideosink->video_width; + s_dsc.height = directfbvideosink->video_height; + + GST_DEBUG_OBJECT (directfbvideosink, "creating our internal surface"); + + ret = directfbvideosink->directfb->CreateSurface (directfbvideosink->directfb, + &s_dsc, &directfbvideosink->surface); + if (ret != DFB_OK) { + directfbvideosink->surface = NULL; + return FALSE; + } + + /* Clearing surface */ + directfbvideosink->surface->Clear (directfbvideosink->surface, + 0x00, 0x00, 0x00, 0xFF); + + return TRUE; +} + +static gboolean +gst_directfbvideosink_get_pixel_format (GstDirectFBVideoSink * + directfbvideosink) +{ + DFBResult ret; + + g_return_val_if_fail (directfbvideosink != NULL, FALSE); + g_return_val_if_fail (GST_IS_DIRECTFBVIDEOSINK (directfbvideosink), FALSE); + + /* If we do it all by ourself we create the DirectFB context, get the + primary layer and use a fullscreen configuration */ + if (!directfbvideosink->foreign_surface) { + if (!directfbvideosink->directfb) { + GST_DEBUG_OBJECT (directfbvideosink, "initializing DirectFB"); + ret = DirectFBInit (0, NULL); + + if (ret != DFB_OK) + return FALSE; + + ret = DirectFBCreate (&(directfbvideosink->directfb)); + + if (ret != DFB_OK) + return FALSE; + } + if (!directfbvideosink->layer) { + ret = + directfbvideosink->directfb->GetDisplayLayer (directfbvideosink-> + directfb, DLID_PRIMARY, &directfbvideosink->layer); + if (ret != DFB_OK) + return FALSE; + directfbvideosink->layer->SetCooperativeLevel (directfbvideosink->layer, + DFSCL_FULLSCREEN); + directfbvideosink->layer->SetBackgroundColor (directfbvideosink->layer, + 0x00, 0x00, 0x00, 0xFF); + GST_DEBUG_OBJECT (directfbvideosink, "getting primary surface"); + directfbvideosink->layer->GetSurface (directfbvideosink->layer, + &directfbvideosink->primary); + } + + directfbvideosink->primary->GetPixelFormat (directfbvideosink->primary, + &directfbvideosink->pixel_format); + } else { + GST_DEBUG_OBJECT (directfbvideosink, "getting pixel format " + "from foreign surface %p", directfbvideosink->foreign_surface); + directfbvideosink->foreign_surface->GetPixelFormat (directfbvideosink-> + foreign_surface, &directfbvideosink->pixel_format); + } + + return TRUE; +} + +static DFBSurfacePixelFormat +gst_directfbvideosink_get_format_from_fourcc (GstDirectFBVideoSink * + directfbvideosink, guint32 code) +{ + switch (code) { + case GST_MAKE_FOURCC ('I', '4', '2', '0'): + return DSPF_I420; + case GST_MAKE_FOURCC ('Y', 'V', '1', '2'): + return DSPF_YV12; + case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'): + return DSPF_YUY2; + case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'): + return DSPF_UYVY; + default:{ + return DSPF_UNKNOWN; + } + } +} + +static GstCaps * +gst_directfbvideosink_fixate (GstPad * pad, const GstCaps * caps) +{ + GstStructure *structure; + GstCaps *newcaps; + + if (gst_caps_get_size (caps) > 1) + return NULL; + + newcaps = gst_caps_copy (caps); + structure = gst_caps_get_structure (newcaps, 0); + + if (gst_caps_structure_fixate_field_nearest_int (structure, "width", 320)) { + return newcaps; + } + if (gst_caps_structure_fixate_field_nearest_int (structure, "height", 240)) { + return newcaps; + } + if (gst_caps_structure_fixate_field_nearest_double (structure, "framerate", + 30.0)) { + return newcaps; + } + + gst_caps_free (newcaps); + return NULL; +} + +static GstCaps * +gst_directfbvideosink_getcaps (GstPad * pad) +{ + GstDirectFBVideoSink *directfbvideosink; + gint bpp = 0; + gboolean is_yuv = FALSE, is_rgb = FALSE; + guint32 gst_format = 0; + GstCaps *caps = NULL; + + directfbvideosink = GST_DIRECTFBVIDEOSINK (gst_pad_get_parent (pad)); + + GST_DEBUG_OBJECT (directfbvideosink, "getcaps called, identifying " + "a valid pixel format"); + + /* We need a primary surface or a foreign one to get pixel format */ + if (!directfbvideosink->primary && !directfbvideosink->foreign_surface) { + gst_directfbvideosink_get_pixel_format (directfbvideosink); + } + + switch (directfbvideosink->pixel_format) { + case DSPF_RGB16: + is_rgb = TRUE; + bpp = 16; + break; + case DSPF_RGB24: + is_rgb = TRUE; + bpp = 24; + break; + case DSPF_RGB32: + is_rgb = TRUE; + bpp = 32; + break; + case DSPF_YUY2: + is_yuv = TRUE; + gst_format = GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'); + break; + case DSPF_UYVY: + is_yuv = TRUE; + gst_format = GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'); + break; + case DSPF_I420: + is_yuv = TRUE; + gst_format = GST_MAKE_FOURCC ('I', '4', '2', '0'); + break; + case DSPF_YV12: + is_yuv = TRUE; + gst_format = GST_MAKE_FOURCC ('Y', 'V', '1', '2'); + break; + default: + GST_ELEMENT_ERROR (directfbvideosink, RESOURCE, WRITE, (NULL), + ("Unsupported format %d", directfbvideosink->pixel_format)); + } + + if (is_rgb) { + caps = gst_caps_new_simple ("video/x-raw-rgb", + "bpp", G_TYPE_INT, bpp, + "width", GST_TYPE_INT_RANGE, 1, G_MAXINT, + "height", GST_TYPE_INT_RANGE, 1, G_MAXINT, + "framerate", GST_TYPE_DOUBLE_RANGE, 1.0, 100.0, NULL); + } else if (is_yuv) { + caps = gst_caps_new_simple ("video/x-raw-yuv", + "width", GST_TYPE_INT_RANGE, 1, G_MAXINT, + "height", GST_TYPE_INT_RANGE, 1, G_MAXINT, + "format", GST_TYPE_FOURCC, gst_format, + "framerate", GST_TYPE_DOUBLE_RANGE, 1.0, 100.0, NULL); + } else { + GST_ELEMENT_ERROR (directfbvideosink, RESOURCE, WRITE, (NULL), + ("Unsupported format neither RGB nor YUV")); + } + + return caps; +} + +static GstPadLinkReturn +gst_directfbvideosink_sink_link (GstPad * pad, const GstCaps * caps) +{ + GstDirectFBVideoSink *directfbvideosink; + GstStructure *structure; + gboolean ret; + gint video_width, video_height; + DFBSurfacePixelFormat pixel_format = DSPF_UNKNOWN; + + directfbvideosink = GST_DIRECTFBVIDEOSINK (gst_pad_get_parent (pad)); + + structure = gst_caps_get_structure (caps, 0); + ret = gst_structure_get_int (structure, "width", &video_width); + ret &= gst_structure_get_int (structure, "height", &video_height); + ret &= gst_structure_get_double (structure, "framerate", + &directfbvideosink->framerate); + if (!ret) { + return GST_PAD_LINK_REFUSED; + } + + /* Check wether we have RGB or YUV video */ + if (g_ascii_strcasecmp (gst_structure_get_name (structure), + "video/x-raw-rgb") == 0) { + gint bpp = 0; + + gst_structure_get_int (structure, "bpp", &bpp); + GST_DEBUG_OBJECT (directfbvideosink, + "linking with rgb (bpp %d) %dx%d", bpp, video_width, video_height); + switch (bpp) { + case 16: + pixel_format = DSPF_RGB16; + break; + case 24: + pixel_format = DSPF_RGB24; + break; + case 32: + pixel_format = DSPF_RGB32; + break; + } + } else if (g_ascii_strcasecmp (gst_structure_get_name (structure), + "video/x-raw-yuv") == 0) { + gint im_format = 0; + + gst_structure_get_fourcc (structure, "format", &im_format); + GST_DEBUG_OBJECT (directfbvideosink, + "linking with yuv (" GST_FOURCC_FORMAT ") %dx%d", + GST_FOURCC_ARGS (im_format), video_width, video_height); + pixel_format = + gst_directfbvideosink_get_format_from_fourcc (directfbvideosink, + im_format); + } else { + return GST_PAD_LINK_REFUSED; + } + + if (pixel_format != directfbvideosink->pixel_format) { + return GST_PAD_LINK_REFUSED; + } + + directfbvideosink->video_width = video_width; + directfbvideosink->video_height = video_height; + + if (gst_directfbvideosink_create (directfbvideosink)) + return GST_PAD_LINK_OK; + else + return GST_PAD_LINK_REFUSED; +} + +static GstElementStateReturn +gst_directfbvideosink_change_state (GstElement * element) +{ + GstDirectFBVideoSink *directfbvideosink; + + directfbvideosink = GST_DIRECTFBVIDEOSINK (element); + + switch (GST_STATE_TRANSITION (element)) { + case GST_STATE_NULL_TO_READY: + break; + case GST_STATE_READY_TO_PAUSED: + /* Blank surface if we have one */ + if (directfbvideosink->foreign_surface) { + directfbvideosink->foreign_surface->Clear (directfbvideosink-> + foreign_surface, 0x00, 0x00, 0x00, 0xFF); + } + if (directfbvideosink->primary) { + directfbvideosink->primary->Clear (directfbvideosink->primary, + 0x00, 0x00, 0x00, 0xFF); + } + directfbvideosink->time = 0; + break; + case GST_STATE_PAUSED_TO_PLAYING: + break; + case GST_STATE_PLAYING_TO_PAUSED: + break; + case GST_STATE_PAUSED_TO_READY: + directfbvideosink->framerate = 0; + GST_VIDEOSINK_WIDTH (directfbvideosink) = 0; + GST_VIDEOSINK_HEIGHT (directfbvideosink) = 0; + break; + case GST_STATE_READY_TO_NULL: + break; + } + + if (GST_ELEMENT_CLASS (parent_class)->change_state) + return GST_ELEMENT_CLASS (parent_class)->change_state (element); + + return GST_STATE_SUCCESS; +} + +static void +gst_directfbvideosink_chain (GstPad * pad, GstData * data) +{ + GstBuffer *buf = NULL; + GstDirectFBVideoSink *directfbvideosink; + + g_return_if_fail (GST_IS_PAD (pad)); + g_return_if_fail (data != NULL); + + directfbvideosink = GST_DIRECTFBVIDEOSINK (gst_pad_get_parent (pad)); + + if (GST_IS_EVENT (data)) { + gst_pad_event_default (pad, GST_EVENT (data)); + return; + } + + buf = GST_BUFFER (data); + /* update time */ + if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) { + directfbvideosink->time = GST_BUFFER_TIMESTAMP (buf); + } + GST_LOG_OBJECT (directfbvideosink, "clock wait: %" GST_TIME_FORMAT, + GST_TIME_ARGS (directfbvideosink->time)); + + if (GST_VIDEOSINK_CLOCK (directfbvideosink)) { + gst_element_wait (GST_ELEMENT (directfbvideosink), directfbvideosink->time); + } + + /* Actual drawing */ + if (directfbvideosink->surface) { + if (directfbvideosink->surface_locked) { + GST_DEBUG_OBJECT (directfbvideosink, "unlocking surface %p", + directfbvideosink->surface); + directfbvideosink->surface->Unlock (directfbvideosink->surface); + directfbvideosink->surface_locked = FALSE; + } + + if (directfbvideosink->foreign_surface) { + /* FIXME : Check return values */ + directfbvideosink->foreign_surface->Blit (directfbvideosink-> + foreign_surface, directfbvideosink->surface, NULL, 0, 0); + + directfbvideosink->foreign_surface->Flip (directfbvideosink-> + foreign_surface, NULL, 0); + } else { + gint width, height; + gdouble video_ratio, screen_ratio; + DFBRectangle dst; + + directfbvideosink->primary->GetSize (directfbvideosink->primary, + &width, &height); + + video_ratio = (gdouble) directfbvideosink->video_width / + directfbvideosink->video_height; + screen_ratio = (gdouble) width / height; + if (video_ratio > screen_ratio) { + dst.w = width; + dst.h = width / video_ratio;; + dst.x = 0; + dst.y = (height - dst.h) / 2; + } else if (video_ratio < screen_ratio) { + dst.w = height * screen_ratio; + dst.h = height; + dst.x = (width - dst.w) / 2; + dst.y = 0; + } else { + dst.x = 0; + dst.y = 0; + dst.w = width; + dst.h = height; + } + GST_DEBUG_OBJECT (directfbvideosink, + "video output at %dx%d size %dx%d", dst.x, dst.y, dst.w, dst.h); + directfbvideosink->primary->StretchBlit (directfbvideosink->primary, + directfbvideosink->surface, NULL, &dst); + + directfbvideosink->primary->Flip (directfbvideosink->primary, NULL, 0); + } + } + + gst_buffer_unref (buf); +} + +static void +gst_directfbvideosink_buffer_free (GstBuffer * buffer) +{ + GstDirectFBVideoSink *directfbvideosink; + + directfbvideosink = GST_BUFFER_PRIVATE (buffer); + + if ((directfbvideosink->surface) && (directfbvideosink->surface_locked)) { + GST_DEBUG_OBJECT (directfbvideosink, "unlocking surface %p", + directfbvideosink->surface); + directfbvideosink->surface->Unlock (directfbvideosink->surface); + directfbvideosink->surface_locked = FALSE; + } +} + +static GstBuffer * +gst_directfbvideosink_buffer_alloc (GstPad * pad, guint64 offset, guint size) +{ + GstDirectFBVideoSink *directfbvideosink; + GstBuffer *buffer = NULL; + + directfbvideosink = GST_DIRECTFBVIDEOSINK (gst_pad_get_parent (pad)); + + if ((directfbvideosink->surface) && (!directfbvideosink->surface_locked)) { + DFBResult ret; + void *data; + gint pitch = 0; + + directfbvideosink->surface_locked = TRUE; + GST_DEBUG_OBJECT (directfbvideosink, "locking surface %p", + directfbvideosink->surface); + ret = directfbvideosink->surface->Lock (directfbvideosink->surface, + DSLF_WRITE, &data, &pitch); + if (ret != DFB_OK) { + GST_DEBUG_OBJECT (directfbvideosink, "failed locking surface %p", + directfbvideosink->surface); + } + + buffer = gst_buffer_new (); + + GST_BUFFER_PRIVATE (buffer) = directfbvideosink; + GST_BUFFER_DATA (buffer) = data; + GST_BUFFER_FREE_DATA_FUNC (buffer) = gst_directfbvideosink_buffer_free; + GST_BUFFER_SIZE (buffer) = size; + } + + return buffer; +} + +/* Interfaces stuff */ + +static gboolean +gst_directfbvideosink_interface_supported (GstImplementsInterface * iface, + GType type) +{ + g_assert (type == GST_TYPE_NAVIGATION); + return TRUE; +} + +static void +gst_directfbvideosink_interface_init (GstImplementsInterfaceClass * klass) +{ + klass->supported = gst_directfbvideosink_interface_supported; +} + +static void +gst_directfbvideosink_navigation_send_event (GstNavigation * navigation, + GstStructure * structure) +{ + GstDirectFBVideoSink *directfbvideosink = GST_DIRECTFBVIDEOSINK (navigation); + GstEvent *event; + gint width, height; + double x, y; + + if (directfbvideosink->foreign_surface) { + directfbvideosink->foreign_surface->GetSize (directfbvideosink-> + foreign_surface, &width, &height); + } else if (directfbvideosink->primary) { + directfbvideosink->primary->GetSize (directfbvideosink->primary, + &width, &height); + } else { + /* We don't have any target to adjust coordinates */ + width = directfbvideosink->video_width; + height = directfbvideosink->video_height; + } + + event = gst_event_new (GST_EVENT_NAVIGATION); + event->event_data.structure.structure = structure; + + /* Converting pointer coordinates to the non scaled geometry */ + if (gst_structure_get_double (structure, "pointer_x", &x)) { + x *= directfbvideosink->video_width; + x /= width; + gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE, x, NULL); + } + if (gst_structure_get_double (structure, "pointer_y", &y)) { + y *= directfbvideosink->video_height; + y /= height; + gst_structure_set (structure, "pointer_y", G_TYPE_DOUBLE, y, NULL); + } + + gst_pad_send_event (gst_pad_get_peer (GST_VIDEOSINK_PAD (directfbvideosink)), + event); +} + +static void +gst_directfbvideosink_navigation_init (GstNavigationInterface * iface) +{ + iface->send_event = gst_directfbvideosink_navigation_send_event; +} + +/* Properties */ + +static void +gst_directfbvideosink_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstDirectFBVideoSink *directfbvideosink; + + g_return_if_fail (GST_IS_DIRECTFBVIDEOSINK (object)); + directfbvideosink = GST_DIRECTFBVIDEOSINK (object); + + switch (prop_id) { + case ARG_SURFACE: + directfbvideosink->foreign_surface = g_value_get_pointer (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_directfbvideosink_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec) +{ + GstDirectFBVideoSink *directfbvideosink; + + g_return_if_fail (GST_IS_DIRECTFBVIDEOSINK (object)); + directfbvideosink = GST_DIRECTFBVIDEOSINK (object); + + switch (prop_id) { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +/* =========================================== */ +/* */ +/* Init & Class init */ +/* */ +/* =========================================== */ + +/* Finalize is called only once, dispose can be called multiple times. */ +static void +gst_directfbvideosink_finalize (GObject * object) +{ + GstDirectFBVideoSink *directfbvideosink; + + directfbvideosink = GST_DIRECTFBVIDEOSINK (object); + + if (directfbvideosink->surface) { + directfbvideosink->surface->Release (directfbvideosink->surface); + directfbvideosink->surface = NULL; + } + + if (directfbvideosink->primary) { + directfbvideosink->primary->Release (directfbvideosink->primary); + directfbvideosink->primary = NULL; + } + + if (directfbvideosink->layer) { + directfbvideosink->layer->Release (directfbvideosink->layer); + directfbvideosink->layer = NULL; + } + + if (directfbvideosink->directfb) { + directfbvideosink->directfb->Release (directfbvideosink->directfb); + directfbvideosink->directfb = NULL; + } + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gst_directfbvideosink_init (GstDirectFBVideoSink * directfbvideosink) +{ + GST_VIDEOSINK_PAD (directfbvideosink) = + gst_pad_new_from_template (gst_static_pad_template_get + (&gst_directfbvideosink_sink_template_factory), "sink"); + + gst_element_add_pad (GST_ELEMENT (directfbvideosink), + GST_VIDEOSINK_PAD (directfbvideosink)); + + gst_pad_set_chain_function (GST_VIDEOSINK_PAD (directfbvideosink), + gst_directfbvideosink_chain); + gst_pad_set_link_function (GST_VIDEOSINK_PAD (directfbvideosink), + gst_directfbvideosink_sink_link); + gst_pad_set_getcaps_function (GST_VIDEOSINK_PAD (directfbvideosink), + gst_directfbvideosink_getcaps); + gst_pad_set_fixate_function (GST_VIDEOSINK_PAD (directfbvideosink), + gst_directfbvideosink_fixate); + gst_pad_set_bufferalloc_function (GST_VIDEOSINK_PAD (directfbvideosink), + gst_directfbvideosink_buffer_alloc); + + directfbvideosink->pixel_format = DSPF_UNKNOWN; + directfbvideosink->video_height = 0; + directfbvideosink->video_width = 0; + directfbvideosink->framerate = 0; + + directfbvideosink->directfb = NULL; + directfbvideosink->layer = NULL; + directfbvideosink->surface = NULL; + directfbvideosink->foreign_surface = NULL; + directfbvideosink->primary = NULL; + directfbvideosink->internal_surface = FALSE; + directfbvideosink->surface_locked = FALSE; + + GST_FLAG_SET (directfbvideosink, GST_ELEMENT_THREAD_SUGGESTED); + GST_FLAG_SET (directfbvideosink, GST_ELEMENT_EVENT_AWARE); +} + +static void +gst_directfbvideosink_base_init (gpointer g_class) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); + + gst_element_class_set_details (element_class, &gst_directfbvideosink_details); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get + (&gst_directfbvideosink_sink_template_factory)); +} + +static void +gst_directfbvideosink_class_init (GstDirectFBVideoSinkClass * klass) +{ + GObjectClass *gobject_class; + GstElementClass *gstelement_class; + + gobject_class = (GObjectClass *) klass; + gstelement_class = (GstElementClass *) klass; + + parent_class = g_type_class_ref (GST_TYPE_VIDEOSINK); + + g_object_class_install_property (G_OBJECT_CLASS (klass), + ARG_SURFACE, + g_param_spec_pointer ("surface", "Surface", + "The target surface for video", G_PARAM_WRITABLE)); + + gobject_class->finalize = gst_directfbvideosink_finalize; + gobject_class->set_property = gst_directfbvideosink_set_property; + gobject_class->get_property = gst_directfbvideosink_get_property; + + gstelement_class->change_state = gst_directfbvideosink_change_state; +} + +/* ============================================================= */ +/* */ +/* Public Methods */ +/* */ +/* ============================================================= */ + +/* =========================================== */ +/* */ +/* Object typing & Creation */ +/* */ +/* =========================================== */ + +GType +gst_directfbvideosink_get_type (void) +{ + static GType directfbvideosink_type = 0; + + if (!directfbvideosink_type) { + static const GTypeInfo directfbvideosink_info = { + sizeof (GstDirectFBVideoSinkClass), + gst_directfbvideosink_base_init, + NULL, + (GClassInitFunc) gst_directfbvideosink_class_init, + NULL, + NULL, + sizeof (GstDirectFBVideoSink), + 0, + (GInstanceInitFunc) gst_directfbvideosink_init, + }; + static const GInterfaceInfo iface_info = { + (GInterfaceInitFunc) gst_directfbvideosink_interface_init, + NULL, + NULL, + }; + static const GInterfaceInfo navigation_info = { + (GInterfaceInitFunc) gst_directfbvideosink_navigation_init, + NULL, + NULL, + }; + + directfbvideosink_type = g_type_register_static (GST_TYPE_VIDEOSINK, + "GstDirectFBVideoSink", &directfbvideosink_info, 0); + + g_type_add_interface_static (directfbvideosink_type, + GST_TYPE_IMPLEMENTS_INTERFACE, &iface_info); + g_type_add_interface_static (directfbvideosink_type, GST_TYPE_NAVIGATION, + &navigation_info); + } + + return directfbvideosink_type; +} + +static gboolean +plugin_init (GstPlugin * plugin) +{ + /* Loading the library containing GstVideoSink, our parent object */ + if (!gst_library_load ("gstvideo")) + return FALSE; + + if (!gst_element_register (plugin, "directfbvideosink", + GST_RANK_PRIMARY, GST_TYPE_DIRECTFBVIDEOSINK)) + return FALSE; + + GST_DEBUG_CATEGORY_INIT (gst_debug_directfbvideosink, + "directfbvideosink", 0, "directfbvideosink element"); + + return TRUE; +} + +GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "directfbvideosink", + "DirectFB video output plugin", + plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN) |