--- /dev/null
+/* GStreamer DirectFB plugin
+ * Copyright (C) 2005 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/interfaces/navigation.h>
+
+/* Object header */
+#include "dfbvideosink.h"
+
+/* Debugging category */
+GST_DEBUG_CATEGORY (dfbvideosink_debug);
+#define GST_CAT_DEFAULT dfbvideosink_debug
+
+/* ElementFactory information */
+static GstElementDetails gst_dfbvideosink_details =
+GST_ELEMENT_DETAILS ("Video sink",
+ "Sink/Video",
+ "A DirectFB based videosink",
+ "Julien Moutte <julien@moutte.net>");
+
+/* Default template */
+static GstStaticPadTemplate gst_dfbvideosink_sink_template_factory =
+ GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("video/x-raw-rgb, "
+ "framerate = (double) [ 0.0, MAX ], "
+ "width = (int) [ 1, MAX ], "
+ "height = (int) [ 1, MAX ]; "
+ "video/x-raw-yuv, "
+ "framerate = (double) [ 0.0, MAX ], "
+ "width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ]")
+ );
+
+/* Signals and args */
+enum
+{
+ ARG_0,
+ ARG_SURFACE
+};
+
+static void gst_dfbvideosink_bufferpool_clear (GstDfbVideoSink * dfbvideosink);
+static DFBSurfacePixelFormat gst_dfbvideosink_get_format_from_caps (GstCaps *
+ caps);
+
+static GstVideoSinkClass *parent_class = NULL;
+
+static const char *
+gst_dfbvideosink_get_format_name (DFBSurfacePixelFormat format)
+{
+ switch (format) {
+ case DSPF_ARGB1555:
+ return "ARGB1555";
+ case DSPF_RGB16:
+ return "RGB16";
+ case DSPF_RGB24:
+ return "RGB24";
+ case DSPF_RGB32:
+ return "RGB32";
+ case DSPF_ARGB:
+ return "ARGB";
+ case DSPF_A8:
+ return "A8";
+ case DSPF_YUY2:
+ return "YUY2";
+ case DSPF_RGB332:
+ return "RGB33";
+ case DSPF_UYVY:
+ return "UYVY";
+ case DSPF_I420:
+ return "I420";
+ case DSPF_YV12:
+ return "YV12";
+ case DSPF_LUT8:
+ return "LUT8";
+ case DSPF_ALUT44:
+ return "ALUT44";
+ case DSPF_AiRGB:
+ return "AiRGB";
+ case DSPF_A1:
+ return "A1";
+ case DSPF_NV12:
+ return "NV12";
+ case DSPF_NV16:
+ return "NV16";
+ case DSPF_ARGB2554:
+ return "ARGB2554";
+ case DSPF_ARGB4444:
+ return "ARGB4444";
+ case DSPF_NV21:
+ return "NV21";
+ default:
+ return "UNKNOWN";
+ }
+}
+
+/* Creates miniobject and our internal surface */
+static GstDfbSurface *
+gst_dfbvideosink_surface_create (GstDfbVideoSink * dfbvideosink, GstCaps * caps,
+ size_t size)
+{
+ GstDfbSurface *surface = NULL;
+ GstStructure *structure = NULL;
+ DFBResult ret;
+ DFBSurfaceDescription s_dsc;
+ gpointer data;
+ gint pitch;
+
+ g_return_val_if_fail (GST_IS_DFBVIDEOSINK (dfbvideosink), NULL);
+
+ surface = (GstDfbSurface *) gst_mini_object_new (GST_TYPE_DFBSURFACE);
+
+ /* Creating an internal surface which will be used as GstBuffer, we used
+ the detected pixel format and video dimensions */
+ structure = gst_caps_get_structure (caps, 0);
+
+ if (!gst_structure_get_int (structure, "width", &surface->width) ||
+ !gst_structure_get_int (structure, "height", &surface->height)) {
+ GST_WARNING ("failed getting geometry from caps %" GST_PTR_FORMAT, caps);
+ }
+
+ s_dsc.flags = DSDESC_PIXELFORMAT | DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_CAPS;
+
+ surface->pixel_format = gst_dfbvideosink_get_format_from_caps (caps);
+
+ s_dsc.pixelformat = surface->pixel_format;
+ s_dsc.width = surface->width;
+ s_dsc.height = surface->height;
+ s_dsc.caps = DSCAPS_VIDEOONLY;
+
+ ret = dfbvideosink->dfb->CreateSurface (dfbvideosink->dfb, &s_dsc,
+ &surface->surface);
+ if (ret != DFB_OK) {
+ GST_WARNING ("failed creating a DirectFB surface");
+ gst_object_unref (surface);
+ surface = NULL;
+ goto beach;
+ }
+
+ /* Keep a ref to our sink */
+ surface->dfbvideosink = gst_object_ref (dfbvideosink);
+
+ /* Clearing surface */
+ surface->surface->Clear (surface->surface, 0x00, 0x00, 0x00, 0xFF);
+
+ /* Locking the surface to acquire the memory pointer */
+ surface->surface->Lock (surface->surface, DSLF_WRITE, &data, &pitch);
+ GST_BUFFER_DATA (surface) = data;
+ GST_BUFFER_SIZE (surface) = pitch * surface->height;
+
+ /* FIXME : check that size matches with our line pitch * height */
+ GST_DEBUG ("creating a %dx%d surface with %s pixel format, line pitch %d",
+ surface->width, surface->height,
+ gst_dfbvideosink_get_format_name (surface->pixel_format), pitch);
+
+beach:
+ return surface;
+}
+
+/* We are called from the finalize method of miniobject, the object will be
+ * destroyed so we just have to clean our internal stuff */
+static void
+gst_dfbvideosink_surface_destroy (GstDfbVideoSink * dfbvideosink,
+ GstDfbSurface * surface)
+{
+ g_return_if_fail (GST_IS_DFBVIDEOSINK (dfbvideosink));
+
+ /* Release our internal surface */
+ if (surface->surface) {
+ surface->surface->Release (surface->surface);
+ surface->surface = NULL;
+ }
+
+ if (!surface->dfbvideosink) {
+ goto no_sink;
+ }
+
+ /* Release the ref to our sink */
+ surface->dfbvideosink = NULL;
+ gst_object_unref (dfbvideosink);
+
+ return;
+
+no_sink:
+ GST_WARNING ("no sink found in surface");
+ return;
+}
+
+static gpointer
+gst_dfbvideosink_event_thread (GstDfbVideoSink * dfbvideosink)
+{
+ DFBResult ret;
+
+ while (dfbvideosink->running) {
+ /* Wait for an event with a 50 ms timeout */
+ dfbvideosink->event_buffer->WaitForEventWithTimeout (dfbvideosink->
+ event_buffer, 0, 50);
+
+ /* Do we have an event ? */
+ ret = dfbvideosink->event_buffer->HasEvent (dfbvideosink->event_buffer);
+
+ if (ret == DFB_OK) {
+ DFBEvent event;
+
+ GST_DEBUG ("we have an event");
+
+ ret = dfbvideosink->event_buffer->GetEvent (dfbvideosink->event_buffer,
+ &event);
+ if (ret != DFB_OK) { /* Error */
+ GST_WARNING ("failed when getting event from event buffer");
+ } else { /* Handle event */
+ if (event.input.type == DIET_KEYPRESS) {
+ switch (event.input.key_symbol) {
+ case DIKS_ESCAPE:
+ {
+ GST_ELEMENT_ERROR (dfbvideosink, RESOURCE, OPEN_WRITE,
+ ("Video output device is gone."),
+ ("We were running fullscreen and user "
+ "pressed the ESC key, stopping playback."));
+ }
+ default:
+ GST_DEBUG ("key press event %c !", event.input.key_symbol);
+ gst_navigation_send_key_event (GST_NAVIGATION (dfbvideosink),
+ "key-press", "prout");
+ }
+ } else if (event.input.type == DIET_BUTTONPRESS) {
+ gint x, y;
+
+ dfbvideosink->layer->GetCursorPosition (dfbvideosink->layer, &x, &y);
+
+ GST_DEBUG ("button %d pressed at %dx%d", event.input.button, x, y);
+
+ gst_navigation_send_mouse_event (GST_NAVIGATION (dfbvideosink),
+ "mouse-button-press", event.input.button, x, y);
+ } else if (event.input.type == DIET_BUTTONRELEASE) {
+ gint x, y;
+
+ dfbvideosink->layer->GetCursorPosition (dfbvideosink->layer, &x, &y);
+
+ GST_DEBUG ("button %d released at %dx%d", event.input.button, x, y);
+
+ gst_navigation_send_mouse_event (GST_NAVIGATION (dfbvideosink),
+ "mouse-button-release", event.input.button, x, y);
+ } else if (event.input.type == DIET_AXISMOTION) {
+ /* Mouse moves have no abs nor rel values */
+ if ((event.input.flags & DIEF_AXISABS) ||
+ (event.input.flags & DIEF_AXISREL)) {
+ GST_DEBUG ("joypad move ?");
+ } else {
+ gint x, y;
+
+ dfbvideosink->layer->GetCursorPosition (dfbvideosink->layer, &x,
+ &y);
+ gst_navigation_send_mouse_event (GST_NAVIGATION (dfbvideosink),
+ "mouse-move", 0, x, y);
+ }
+ } else {
+ GST_WARNING ("unhandled event type %d", event.input.type);
+ }
+ }
+ }
+ }
+ return NULL;
+}
+
+static DFBEnumerationResult
+gst_dfbvideosink_enum_layers (DFBDisplayLayerID id,
+ DFBDisplayLayerDescription desc, void *data)
+{
+ GstDfbVideoSink *dfbvideosink = NULL;
+ IDirectFBDisplayLayer *layer = NULL;
+ DFBDisplayLayerConfig dlc;
+ DFBResult ret;
+ gboolean backbuffer = FALSE;
+
+ g_return_val_if_fail (GST_IS_DFBVIDEOSINK (data), DFENUM_CANCEL);
+
+ dfbvideosink = GST_DFBVIDEOSINK (data);
+
+ GST_DEBUG ("inspecting display layer %d with name: %s", id, desc.name);
+
+ if ((desc.type & DLTF_VIDEO) && (desc.caps & DLCAPS_SURFACE)) {
+ GST_DEBUG ("this layer can handle live video and has a surface");
+ goto beach; /* It seems that kind of overlay is not very well supported */
+ } else {
+ if (desc.caps & DLCAPS_SURFACE) {
+ GST_DEBUG ("this layer can not handle live video but has a surface");
+ } else {
+ GST_DEBUG ("no we can't use that layer, really...");
+ goto beach;
+ }
+ }
+
+ ret = dfbvideosink->dfb->GetDisplayLayer (dfbvideosink->dfb, id, &layer);
+ if (ret != DFB_OK) {
+ GST_WARNING ("failed getting display layer %s", desc.name);
+ goto beach;
+ }
+
+ ret = layer->GetConfiguration (layer, &dlc);
+ if (ret != DFB_OK) {
+ GST_WARNING ("failed getting display layer configuration");
+ goto beach;
+ }
+
+ if ((dlc.flags & DLCONF_BUFFERMODE) && (dlc.buffermode & DLBM_FRONTONLY)) {
+ GST_DEBUG ("no backbuffer");
+ }
+ if ((dlc.flags & DLCONF_BUFFERMODE) && (dlc.buffermode & DLBM_BACKVIDEO)) {
+ GST_DEBUG ("backbuffer is in video memory");
+ backbuffer = TRUE;
+ }
+ if ((dlc.flags & DLCONF_BUFFERMODE) && (dlc.buffermode & DLBM_BACKSYSTEM)) {
+ GST_DEBUG ("backbuffer is in system memory");
+ backbuffer = TRUE;
+ }
+ if ((dlc.flags & DLCONF_BUFFERMODE) && (dlc.buffermode & DLBM_TRIPLE)) {
+ GST_DEBUG ("triple buffering");
+ backbuffer = TRUE;
+ }
+
+ dfbvideosink->backbuffer = backbuffer;
+ dfbvideosink->layer_id = id;
+
+beach:
+ if (layer) {
+ layer->Release (layer);
+ }
+ return DFENUM_OK;
+}
+
+static DFBEnumerationResult
+gst_dfbvideosink_enum_vmodes (gint width, gint height, gint bpp, void *data)
+{
+ GstDfbVideoSink *dfbvideosink = NULL;
+ GstDfbVMode *vmode = NULL;
+
+ g_return_val_if_fail (GST_IS_DFBVIDEOSINK (data), DFENUM_CANCEL);
+
+ dfbvideosink = GST_DFBVIDEOSINK (data);
+
+ GST_DEBUG ("adding video mode %dx%d at %d bpp", width, height, bpp);
+ vmode = g_new0 (GstDfbVMode, 1);
+ vmode->width = width;
+ vmode->height = height;
+ vmode->bpp = bpp;
+
+ /* We need to know the maximum video geometry we can accept for the caps */
+ if (width > dfbvideosink->out_width) {
+ dfbvideosink->out_width = width;
+ }
+ if (height > dfbvideosink->out_height) {
+ dfbvideosink->out_height = height;
+ }
+
+ dfbvideosink->vmodes = g_slist_append (dfbvideosink->vmodes, vmode);
+
+ return DFENUM_OK;
+}
+
+static DFBEnumerationResult
+gst_dfbvideosink_enum_devices (DFBInputDeviceID id,
+ DFBInputDeviceDescription desc, void *data)
+{
+ GstDfbVideoSink *dfbvideosink = NULL;
+ IDirectFBInputDevice *device = NULL;
+ DFBResult ret;
+
+ g_return_val_if_fail (GST_IS_DFBVIDEOSINK (data), DFENUM_CANCEL);
+
+ dfbvideosink = GST_DFBVIDEOSINK (data);
+
+ GST_DEBUG ("detected input device %s from vendor %s", desc.name, desc.vendor);
+
+ /* Get that input device */
+ ret = dfbvideosink->dfb->GetInputDevice (dfbvideosink->dfb, id, &device);
+ if (ret != DFB_OK) {
+ GST_WARNING ("failed when getting input device id %d", id);
+ goto beach;
+ }
+
+ ret = device->AttachEventBuffer (device, dfbvideosink->event_buffer);
+ if (ret != DFB_OK) {
+ GST_WARNING ("failed when attaching input device %d to our event buffer",
+ id);
+ }
+
+beach:
+ if (device) {
+ device->Release (device);
+ }
+ return DFENUM_OK;
+}
+
+static gboolean
+gst_dfbvideosink_setup (GstDfbVideoSink * dfbvideosink)
+{
+ DFBResult ret;
+
+ g_return_val_if_fail (GST_IS_DFBVIDEOSINK (dfbvideosink), FALSE);
+
+ dfbvideosink->video_width = 0;
+ dfbvideosink->video_height = 0;
+ dfbvideosink->out_width = 0;
+ dfbvideosink->out_height = 0;
+ dfbvideosink->framerate = 0.0;
+ dfbvideosink->hw_scaling = FALSE;
+ dfbvideosink->backbuffer = FALSE;
+ dfbvideosink->pixel_format = DSPF_UNKNOWN;
+
+ /* If we do it all by ourself we create the DirectFB context, get the
+ primary layer and use a fullscreen configuration */
+ if (!dfbvideosink->ext_surface) {
+ GST_DEBUG ("no external surface, taking over DirectFB fullscreen");
+ if (!dfbvideosink->dfb) {
+ DFBGraphicsDeviceDescription hw_caps;
+
+ GST_DEBUG ("initializing DirectFB");
+
+ ret = DirectFBInit (0, NULL);
+
+ if (ret != DFB_OK) {
+ GST_WARNING ("DirectFB initialization failed");
+ goto beach;
+ }
+
+ ret = DirectFBCreate (&(dfbvideosink->dfb));
+
+ if (ret != DFB_OK) {
+ GST_WARNING ("failed creating the DirectFB main object");
+ goto beach;
+ }
+
+ /* Get Hardwared capabilities */
+ ret = dfbvideosink->dfb->GetDeviceDescription (dfbvideosink->dfb,
+ &hw_caps);
+
+ if (ret != DFB_OK) {
+ GST_WARNING ("failed grabbing the hardware capabilities");
+ goto beach;
+ }
+
+ GST_DEBUG ("video card %s from vendor %s detected with %d bytes of "
+ "video memory", hw_caps.name, hw_caps.vendor, hw_caps.video_memory);
+
+ if (hw_caps.acceleration_mask & DFXL_BLIT) {
+ GST_DEBUG ("Blit is accelerated");
+ }
+ if (hw_caps.acceleration_mask & DFXL_STRETCHBLIT) {
+ GST_DEBUG ("StretchBlit is accelerated");
+ dfbvideosink->hw_scaling = TRUE;
+ } else {
+ GST_DEBUG ("StretchBlit is not accelerated");
+ dfbvideosink->hw_scaling = FALSE;
+ }
+
+ dfbvideosink->layer_id = -1;
+
+ /* Inspect all the Display layers */
+ dfbvideosink->dfb->EnumDisplayLayers (dfbvideosink->dfb,
+ gst_dfbvideosink_enum_layers, dfbvideosink);
+ /* Inspect all Video modes */
+ dfbvideosink->dfb->EnumVideoModes (dfbvideosink->dfb,
+ gst_dfbvideosink_enum_vmodes, dfbvideosink);
+
+ /* Create an event buffer for input */
+ dfbvideosink->dfb->CreateEventBuffer (dfbvideosink->dfb,
+ &dfbvideosink->event_buffer);
+
+ /* Inspect all Input devices */
+ dfbvideosink->dfb->EnumInputDevices (dfbvideosink->dfb,
+ gst_dfbvideosink_enum_devices, dfbvideosink);
+ /* Create a thread to handle those events */
+ dfbvideosink->event_thread = g_thread_create (
+ (GThreadFunc) gst_dfbvideosink_event_thread,
+ dfbvideosink, TRUE, NULL);
+ }
+ if (!dfbvideosink->layer) {
+ /* Get the best Display Layer */
+ ret = dfbvideosink->dfb->GetDisplayLayer (dfbvideosink->dfb,
+ dfbvideosink->layer_id, &dfbvideosink->layer);
+ if (ret != DFB_OK) {
+ GST_WARNING ("failed getting display layer");
+ goto beach;
+ }
+
+ ret = dfbvideosink->layer->SetCooperativeLevel (dfbvideosink->layer,
+ DLSCL_EXCLUSIVE);
+
+ if (ret != DFB_OK) {
+ GST_WARNING ("failed setting display layer to fullscreen mode");
+ goto beach;
+ }
+
+ dfbvideosink->layer->SetBackgroundColor (dfbvideosink->layer,
+ 0x00, 0x00, 0x00, 0xFF);
+
+ dfbvideosink->layer->EnableCursor (dfbvideosink->layer, TRUE);
+
+ GST_DEBUG ("getting primary surface");
+ dfbvideosink->layer->GetSurface (dfbvideosink->layer,
+ &dfbvideosink->primary);
+ }
+
+ dfbvideosink->primary->GetPixelFormat (dfbvideosink->primary,
+ &dfbvideosink->pixel_format);
+ } else {
+ DFBSurfaceCapabilities s_caps;
+
+ GST_DEBUG ("getting pixel format from foreign surface %p",
+ dfbvideosink->ext_surface);
+ dfbvideosink->ext_surface->GetPixelFormat (dfbvideosink->ext_surface,
+ &dfbvideosink->pixel_format);
+ dfbvideosink->ext_surface->GetSize (dfbvideosink->ext_surface,
+ &dfbvideosink->out_width, &dfbvideosink->out_height);
+ dfbvideosink->ext_surface->GetCapabilities (dfbvideosink->ext_surface,
+ &s_caps);
+ if ((s_caps & DSCAPS_DOUBLE) || (s_caps & DSCAPS_TRIPLE)) {
+ dfbvideosink->backbuffer = TRUE;
+ } else {
+ dfbvideosink->backbuffer = FALSE;
+ }
+ GST_DEBUG ("external surface is %dx%d and uses %s pixel format",
+ dfbvideosink->out_width, dfbvideosink->out_height,
+ gst_dfbvideosink_get_format_name (dfbvideosink->pixel_format));
+ }
+
+ dfbvideosink->setup = TRUE;
+
+beach:
+ return dfbvideosink->setup;
+}
+
+static void
+gst_dfbvideosink_cleanup (GstDfbVideoSink * dfbvideosink)
+{
+ g_return_if_fail (GST_IS_DFBVIDEOSINK (dfbvideosink));
+
+ GST_DEBUG ("cleaning up DirectFB environment");
+
+ /* Wait for our event thread */
+ if (dfbvideosink->event_thread) {
+ g_thread_join (dfbvideosink->event_thread);
+ dfbvideosink->event_thread = NULL;
+ }
+
+ if (dfbvideosink->event_buffer) {
+ dfbvideosink->event_buffer->Release (dfbvideosink->event_buffer);
+ dfbvideosink->event_buffer = NULL;
+ }
+
+ if (dfbvideosink->vmodes) {
+ GSList *walk = dfbvideosink->vmodes;
+
+ while (walk) {
+ g_free (walk->data);
+ walk = g_slist_next (walk);
+ }
+ g_slist_free (dfbvideosink->vmodes);
+ dfbvideosink->vmodes = NULL;
+ }
+
+ if (dfbvideosink->buffer_pool) {
+ gst_dfbvideosink_bufferpool_clear (dfbvideosink);
+ }
+
+ if (dfbvideosink->primary) {
+ dfbvideosink->primary->Release (dfbvideosink->primary);
+ dfbvideosink->primary = NULL;
+ }
+
+ if (dfbvideosink->layer) {
+ dfbvideosink->layer->EnableCursor (dfbvideosink->layer, FALSE);
+ dfbvideosink->layer->Release (dfbvideosink->layer);
+ dfbvideosink->layer = NULL;
+ }
+
+ if (dfbvideosink->dfb) {
+ dfbvideosink->dfb->Release (dfbvideosink->dfb);
+ dfbvideosink->dfb = NULL;
+ }
+
+ dfbvideosink->setup = FALSE;
+}
+
+static DFBSurfacePixelFormat
+gst_dfbvideosink_get_format_from_caps (GstCaps * caps)
+{
+ GstStructure *structure;
+ gboolean ret;
+ DFBSurfacePixelFormat pixel_format = DSPF_UNKNOWN;
+
+ g_return_val_if_fail (GST_IS_CAPS (caps), DSPF_UNKNOWN);
+
+ structure = gst_caps_get_structure (caps, 0);
+
+ if (gst_structure_has_name (structure, "video/x-raw-rgb")) {
+ gint bpp, depth;
+
+ ret = gst_structure_get_int (structure, "bpp", &bpp);
+ ret &= gst_structure_get_int (structure, "depth", &depth);
+
+ if (!ret) {
+ goto beach;
+ }
+
+ switch (bpp) {
+ case 16:
+ pixel_format = DSPF_RGB16;
+ break;
+ case 24:
+ pixel_format = DSPF_RGB24;
+ break;
+ case 32:
+ if (depth == 24) {
+ pixel_format = DSPF_RGB32;
+ } else if (depth == 32) {
+ pixel_format = DSPF_ARGB;
+ } else {
+ goto beach;
+ }
+ break;
+ default:
+ GST_WARNING ("unhandled RGB format, bpp %d, depth %d", bpp, depth);
+ goto beach;
+ }
+ } else if (gst_structure_has_name (structure, "video/x-raw-yuv")) {
+ guint32 fourcc;
+
+ ret = gst_structure_get_fourcc (structure, "format", &fourcc);
+
+ if (!ret) {
+ GST_WARNING ("failed grabbing fourcc from caps %" GST_PTR_FORMAT, caps);
+ goto beach;
+ }
+
+ switch (fourcc) {
+ case GST_MAKE_FOURCC ('I', '4', '2', '0'):
+ pixel_format = DSPF_I420;
+ break;
+ case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
+ pixel_format = DSPF_YV12;
+ break;
+ case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
+ pixel_format = DSPF_YUY2;
+ break;
+ case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
+ pixel_format = DSPF_UYVY;
+ break;
+ default:
+ GST_WARNING ("unhandled YUV format" GST_FOURCC_FORMAT,
+ GST_FOURCC_ARGS (fourcc));
+ goto beach;
+ }
+ } else {
+ GST_WARNING ("unknown caps name received %" GST_PTR_FORMAT, caps);
+ goto beach;
+ }
+
+beach:
+ return pixel_format;
+}
+
+static GstCaps *
+gst_dfbvideosink_get_caps_from_format (DFBSurfacePixelFormat format)
+{
+ GstCaps *caps = NULL;
+ gboolean is_rgb = FALSE, is_yuv = FALSE;
+ gint bpp, depth;
+ guint32 fourcc;
+
+ g_return_val_if_fail (format != DSPF_UNKNOWN, NULL);
+
+ switch (format) {
+ case DSPF_RGB16:
+ is_rgb = TRUE;
+ bpp = 16;
+ depth = 16;
+ break;
+ case DSPF_RGB24:
+ is_rgb = TRUE;
+ bpp = 24;
+ depth = 24;
+ break;
+ case DSPF_RGB32:
+ is_rgb = TRUE;
+ bpp = 32;
+ depth = 24;
+ break;
+ case DSPF_ARGB:
+ is_rgb = TRUE;
+ bpp = 32;
+ depth = 32;
+ break;
+ case DSPF_YUY2:
+ is_yuv = TRUE;
+ fourcc = GST_MAKE_FOURCC ('Y', 'U', 'Y', '2');
+ break;
+ case DSPF_UYVY:
+ is_yuv = TRUE;
+ fourcc = GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y');
+ break;
+ case DSPF_I420:
+ is_yuv = TRUE;
+ fourcc = GST_MAKE_FOURCC ('I', '4', '2', '0');
+ break;
+ case DSPF_YV12:
+ is_yuv = TRUE;
+ fourcc = GST_MAKE_FOURCC ('Y', 'V', '1', '2');
+ break;
+ default:
+ GST_WARNING ("unknown pixel format %s",
+ gst_dfbvideosink_get_format_name (format));
+ goto beach;
+ }
+
+ if (is_rgb) {
+ caps = gst_caps_new_simple ("video/x-raw-rgb",
+ "bpp", G_TYPE_INT, bpp, "depth", G_TYPE_INT, depth, NULL);
+ } else if (is_yuv) {
+ caps = gst_caps_new_simple ("video/x-raw-yuv",
+ "format", GST_TYPE_FOURCC, fourcc, NULL);
+ } else {
+ GST_WARNING ("neither rgb nor yuv, something strange here");
+ }
+
+beach:
+ return caps;
+}
+
+static gboolean
+gst_dfbvideosink_can_blit_from_format (GstDfbVideoSink * dfbvideosink,
+ DFBSurfacePixelFormat format)
+{
+ gboolean res = FALSE;
+ DFBResult ret;
+ IDirectFBSurface *surface = NULL;
+ DFBSurfaceDescription s_dsc;
+ DFBAccelerationMask mask;
+ DFBDisplayLayerConfig dlc;
+
+ g_return_val_if_fail (GST_IS_DFBVIDEOSINK (dfbvideosink), FALSE);
+
+ /* Create a surface of desired format */
+ s_dsc.flags = DSDESC_PIXELFORMAT | DSDESC_WIDTH | DSDESC_HEIGHT;
+ s_dsc.pixelformat = format;
+ s_dsc.width = 1;
+ s_dsc.height = 1;
+
+ ret = dfbvideosink->dfb->CreateSurface (dfbvideosink->dfb, &s_dsc, &surface);
+ if (ret != DFB_OK) {
+ GST_WARNING ("failed creating surface with format %s",
+ gst_dfbvideosink_get_format_name (format));
+ goto beach;
+ }
+
+ /* Test configuration of the layer to this pixel format */
+ dlc.flags = DLCONF_PIXELFORMAT;
+ dlc.pixelformat = format;
+
+ ret = dfbvideosink->layer->TestConfiguration (dfbvideosink->layer, &dlc,
+ NULL);
+ if (ret != DFB_OK) {
+ GST_DEBUG ("our layer refuses to operate in pixel format %s",
+ gst_dfbvideosink_get_format_name (format));
+ goto beach;
+ }
+
+ ret = dfbvideosink->layer->SetConfiguration (dfbvideosink->layer, &dlc);
+ if (ret != DFB_OK) {
+ GST_WARNING ("our layer refuses to operate in pixel format, though this "
+ "format was successfully tested earlied %s",
+ gst_dfbvideosink_get_format_name (format));
+ goto beach;
+ }
+
+ ret = dfbvideosink->primary->GetAccelerationMask (dfbvideosink->primary,
+ surface, &mask);
+ if (ret != DFB_OK) {
+ GST_WARNING ("failed getting acceleration mask");
+ goto beach;
+ }
+
+ /* Blitting from this format to our primary is accelerated */
+ if (mask & DFXL_BLIT) {
+ GST_DEBUG ("blitting from format %s to our primary is accelerated",
+ gst_dfbvideosink_get_format_name (format));
+ res = TRUE;
+ } else {
+ GST_DEBUG ("blitting from format %s to our primary is not accelerated",
+ gst_dfbvideosink_get_format_name (format));
+ res = TRUE;
+ }
+
+beach:
+ if (surface) {
+ surface->Release (surface);
+ }
+ return res;
+}
+
+static gboolean
+gst_dfbvideosink_get_best_vmode (GstDfbVideoSink * dfbvideosink, gint v_width,
+ gint v_height, GstDfbVMode * best_vmode)
+{
+ GSList *walk = NULL;
+ gboolean ret = FALSE;
+ gint width, height, bpp;
+ GstDfbVMode *vmode = NULL;
+
+ g_return_val_if_fail (GST_IS_DFBVIDEOSINK (dfbvideosink), FALSE);
+
+ walk = dfbvideosink->vmodes;
+
+ vmode = (GstDfbVMode *) walk->data;
+
+ /* First mode */
+ width = vmode->width;
+ height = vmode->height;
+ bpp = vmode->bpp;
+
+ while (walk) {
+ gint wgap, hgap, best_wgap, best_hgap;
+
+ vmode = (GstDfbVMode *) walk->data;
+
+ /* What are the gaps */
+ wgap = abs (vmode->width - v_width);
+ hgap = abs (vmode->height - v_height);
+ best_wgap = abs (width - v_width);
+ best_hgap = abs (height - v_height);
+
+ /* If this mode is better we ll use that */
+ if (wgap + hgap < best_wgap + best_hgap) {
+ width = vmode->width;
+ height = vmode->height;
+ bpp = vmode->bpp;
+ }
+
+ walk = g_slist_next (walk);
+ }
+
+ GST_DEBUG ("found video mode %dx%d for input at %dx%d", width, height,
+ v_width, v_height);
+
+ best_vmode->width = width;
+ best_vmode->height = height;
+ best_vmode->bpp = bpp;
+
+ ret = TRUE;
+
+ return ret;
+}
+
+static GstCaps *
+gst_dfbvideosink_getcaps (GstBaseSink * bsink)
+{
+ GstDfbVideoSink *dfbvideosink;
+ GstCaps *caps = NULL;
+ gint i;
+
+ dfbvideosink = GST_DFBVIDEOSINK (bsink);
+
+ if (!dfbvideosink->setup) {
+ caps = gst_caps_copy (gst_pad_get_pad_template_caps (GST_VIDEO_SINK_PAD
+ (dfbvideosink)));
+ GST_DEBUG ("getcaps called and we are not setup yet, "
+ "returning template %" GST_PTR_FORMAT, caps);
+ goto beach;
+ } else {
+ GST_DEBUG ("getcaps called, checking our internal format");
+ if (dfbvideosink->ext_surface) {
+ /* We are not rendering to our own surface, returning this surface's
+ * pixel format */
+ caps = gst_dfbvideosink_get_caps_from_format (dfbvideosink->pixel_format);
+ } else {
+ /* Try some formats */
+ caps = gst_caps_new_empty ();
+
+ if (gst_dfbvideosink_can_blit_from_format (dfbvideosink, DSPF_RGB16)) {
+ gst_caps_append (caps,
+ gst_dfbvideosink_get_caps_from_format (DSPF_RGB16));
+ }
+ if (gst_dfbvideosink_can_blit_from_format (dfbvideosink, DSPF_RGB24)) {
+ gst_caps_append (caps,
+ gst_dfbvideosink_get_caps_from_format (DSPF_RGB24));
+ }
+ if (gst_dfbvideosink_can_blit_from_format (dfbvideosink, DSPF_YUY2)) {
+ gst_caps_append (caps,
+ gst_dfbvideosink_get_caps_from_format (DSPF_YUY2));
+ }
+ if (gst_dfbvideosink_can_blit_from_format (dfbvideosink, DSPF_UYVY)) {
+ gst_caps_append (caps,
+ gst_dfbvideosink_get_caps_from_format (DSPF_UYVY));
+ }
+ if (gst_dfbvideosink_can_blit_from_format (dfbvideosink, DSPF_I420)) {
+ gst_caps_append (caps,
+ gst_dfbvideosink_get_caps_from_format (DSPF_I420));
+ }
+ if (gst_dfbvideosink_can_blit_from_format (dfbvideosink, DSPF_YV12)) {
+ gst_caps_append (caps,
+ gst_dfbvideosink_get_caps_from_format (DSPF_YV12));
+ }
+ }
+ }
+
+ for (i = 0; i < gst_caps_get_size (caps); i++) {
+ GstStructure *structure = gst_caps_get_structure (caps, i);
+
+ gst_structure_set (structure,
+ "width", GST_TYPE_INT_RANGE, 1, dfbvideosink->out_width,
+ "height", GST_TYPE_INT_RANGE, 1, dfbvideosink->out_height,
+ "framerate", GST_TYPE_DOUBLE_RANGE, 0.0, G_MAXDOUBLE, NULL);
+ }
+
+ GST_DEBUG ("returning our caps %" GST_PTR_FORMAT, caps);
+
+beach:
+ return caps;
+}
+
+static gboolean
+gst_dfbvideosink_setcaps (GstBaseSink * bsink, GstCaps * caps)
+{
+ GstDfbVideoSink *dfbvideosink;
+ GstStructure *structure;
+ gboolean res, result = FALSE;
+ gint video_width, video_height;
+ DFBSurfacePixelFormat pixel_format = DSPF_UNKNOWN;
+
+ dfbvideosink = GST_DFBVIDEOSINK (bsink);
+
+ structure = gst_caps_get_structure (caps, 0);
+ res = gst_structure_get_int (structure, "width", &video_width);
+ res &= gst_structure_get_int (structure, "height", &video_height);
+ res &= gst_structure_get_double (structure, "framerate",
+ &dfbvideosink->framerate);
+ if (!res) {
+ goto beach;
+ }
+
+ pixel_format = gst_dfbvideosink_get_format_from_caps (caps);
+
+ GST_DEBUG ("setcaps called, %dx%d %s video at %f fps", video_width,
+ video_height, gst_dfbvideosink_get_format_name (pixel_format),
+ dfbvideosink->framerate);
+
+ /* Try to adapt the video mode to the video geometry */
+ if (dfbvideosink->dfb) {
+ DFBResult ret;
+ GstDfbVMode vmode;
+
+ GST_DEBUG ("trying to adapt the video mode to video geometry");
+
+ /* Set video mode and layer configuration appropriately */
+ if (gst_dfbvideosink_get_best_vmode (dfbvideosink, video_width,
+ video_height, &vmode)) {
+ DFBDisplayLayerConfig lc;
+ gint width, height, bpp;
+
+ width = vmode.width;
+ height = vmode.height;
+ bpp = vmode.bpp;
+
+ GST_DEBUG ("setting video mode to %dx%d at %d bpp", width, height, bpp);
+
+ ret = dfbvideosink->dfb->SetVideoMode (dfbvideosink->dfb, width,
+ height, bpp);
+ if (ret != DFB_OK) {
+ GST_WARNING ("failed setting video mode %dx%d at %d bpp", width,
+ height, bpp);
+ }
+
+ lc.flags = DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT;
+ lc.width = width;
+ lc.height = height;
+ lc.pixelformat = pixel_format;
+
+ ret = dfbvideosink->layer->SetConfiguration (dfbvideosink->layer, &lc);
+ if (ret != DFB_OK) {
+ GST_WARNING ("failed setting layer configuration to %dx%d", width,
+ height);
+ } else {
+ dfbvideosink->out_width = width;
+ dfbvideosink->out_height = height;
+ dfbvideosink->pixel_format = pixel_format;
+ }
+ }
+ }
+
+ if (pixel_format != dfbvideosink->pixel_format) {
+ GST_WARNING ("setcaps sent us a different pixel format %s",
+ gst_dfbvideosink_get_format_name (pixel_format));
+ goto beach;
+ }
+
+ dfbvideosink->video_width = video_width;
+ dfbvideosink->video_height = video_height;
+
+ result = TRUE;
+
+beach:
+ return result;
+}
+
+static GstStateChangeReturn
+gst_dfbvideosink_change_state (GstElement * element, GstStateChange transition)
+{
+ GstDfbVideoSink *dfbvideosink;
+ GstStateChangeReturn ret;
+
+ dfbvideosink = GST_DFBVIDEOSINK (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ dfbvideosink->running = TRUE;
+ if (!dfbvideosink->setup) {
+ gst_dfbvideosink_setup (dfbvideosink);
+ }
+ break;
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ /* Blank surface if we have one */
+ if (dfbvideosink->ext_surface) {
+ dfbvideosink->ext_surface->Clear (dfbvideosink->ext_surface,
+ 0x00, 0x00, 0x00, 0xFF);
+ }
+ if (dfbvideosink->primary) {
+ dfbvideosink->primary->Clear (dfbvideosink->primary, 0x00, 0x00,
+ 0x00, 0xFF);
+ }
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
+ break;
+ case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ dfbvideosink->framerate = 0;
+ dfbvideosink->video_width = 0;
+ dfbvideosink->video_height = 0;
+
+ if (dfbvideosink->buffer_pool) {
+ gst_dfbvideosink_bufferpool_clear (dfbvideosink);
+ }
+ break;
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ dfbvideosink->running = FALSE;
+ if (dfbvideosink->setup) {
+ gst_dfbvideosink_cleanup (dfbvideosink);
+ }
+ break;
+ }
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+ return ret;
+}
+
+static void
+gst_dfbvideosink_get_times (GstBaseSink * bsink, GstBuffer * buf,
+ GstClockTime * start, GstClockTime * end)
+{
+ GstDfbVideoSink *dfbvideosink;
+
+ dfbvideosink = GST_DFBVIDEOSINK (bsink);
+
+ if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
+ *start = GST_BUFFER_TIMESTAMP (buf);
+ if (GST_BUFFER_DURATION_IS_VALID (buf)) {
+ *end = *start + GST_BUFFER_DURATION (buf);
+ } else {
+ if (dfbvideosink->framerate > 0) {
+ *end = *start + GST_SECOND / dfbvideosink->framerate;
+ }
+ }
+ }
+}
+
+static void
+gst_dfbvideosink_center_rect (DFBRectangle src, DFBRectangle dst,
+ DFBRectangle * result, gboolean scale)
+{
+ g_return_if_fail (result != NULL);
+
+ if (!scale) {
+ result->w = src.w;
+ result->h = src.h;
+ result->x = (dst.w - src.w) / 2;
+ result->y = (dst.h - src.h) / 2;
+ } else {
+ gdouble src_ratio, dst_ratio;
+
+ src_ratio = (gdouble) src.w / src.h;
+ dst_ratio = (gdouble) dst.w / dst.h;
+
+ if (src_ratio > dst_ratio) {
+ result->w = dst.w;
+ result->h = dst.w / src_ratio;
+ result->x = 0;
+ result->y = (dst.h - result->h) / 2;
+ } else if (src_ratio < dst_ratio) {
+ result->w = dst.h * src_ratio;
+ result->h = dst.h;
+ result->x = (dst.w - result->w) / 2;
+ result->y = 0;
+ } else {
+ result->x = 0;
+ result->y = 0;
+ result->w = dst.w;
+ result->h = dst.h;
+ }
+ }
+
+ GST_DEBUG ("source is %dx%d dest is %dx%d, result is %dx%d with x,y %dx%d",
+ src.w, src.h, dst.w, dst.h, result->w, result->h, result->x, result->y);
+}
+
+static GstFlowReturn
+gst_dfbvideosink_show_frame (GstBaseSink * bsink, GstBuffer * buf)
+{
+ GstDfbVideoSink *dfbvideosink;
+ GstFlowReturn ret = GST_FLOW_OK;
+
+ dfbvideosink = GST_DFBVIDEOSINK (bsink);
+
+ if (!dfbvideosink->setup) {
+ ret = GST_FLOW_UNEXPECTED;
+ goto beach;
+ }
+
+ /* Actual drawing */
+ if (GST_IS_DFBSURFACE (buf)) {
+ GstDfbSurface *surface = GST_DFBSURFACE (buf);
+
+ if (dfbvideosink->ext_surface) { /* Blit to an external surface */
+ /* FIXME : Check return values */
+ dfbvideosink->ext_surface->Blit (dfbvideosink->ext_surface,
+ surface->surface, NULL, 0, 0);
+
+ if (dfbvideosink->backbuffer) {
+ dfbvideosink->ext_surface->Flip (dfbvideosink->ext_surface, NULL, 0);
+ }
+ } else { /* Blit to the fullscreen primary */
+ DFBRectangle dst, src, result;
+
+ src.w = surface->width;
+ src.h = surface->height;
+
+ dfbvideosink->primary->GetSize (dfbvideosink->primary, &dst.w, &dst.h);
+
+ /* Unlocking surface before blit */
+ surface->surface->Unlock (surface->surface);
+
+ gst_dfbvideosink_center_rect (src, dst, &result,
+ dfbvideosink->hw_scaling);
+
+ if (dfbvideosink->hw_scaling) {
+ dfbvideosink->primary->StretchBlit (dfbvideosink->primary,
+ surface->surface, NULL, &result);
+ } else {
+ dfbvideosink->primary->Blit (dfbvideosink->primary, surface->surface,
+ NULL, result.x, result.y);
+ }
+
+ if (dfbvideosink->backbuffer) {
+ dfbvideosink->primary->Flip (dfbvideosink->primary, NULL, 0);
+ }
+ }
+ } else {
+ GST_WARNING
+ ("we have to do a memcpy to our internal surface. implement me");
+ }
+
+beach:
+ return ret;
+}
+
+static void
+gst_dfbvideosink_bufferpool_clear (GstDfbVideoSink * dfbvideosink)
+{
+ while (dfbvideosink->buffer_pool) {
+ GstDfbSurface *surface = dfbvideosink->buffer_pool->data;
+
+ dfbvideosink->buffer_pool = g_slist_delete_link (dfbvideosink->buffer_pool,
+ dfbvideosink->buffer_pool);
+ gst_dfbvideosink_surface_destroy (dfbvideosink, surface);
+ }
+}
+
+/* For every buffer request we create a custom buffer containing and
+ * IDirectFBSurface or allocate a previously created one that's not used
+ * anymore. */
+static GstFlowReturn
+gst_dfbvideosink_buffer_alloc (GstBaseSink * bsink, guint64 offset, guint size,
+ GstCaps * caps, GstBuffer ** buf)
+{
+ GstDfbVideoSink *dfbvideosink;
+ GstDfbSurface *surface = NULL;
+ GstFlowReturn ret = GST_FLOW_OK;
+
+ gboolean rev_nego = FALSE;
+ gint width, height;
+
+ GstCaps *desired_caps = NULL;
+ GstStructure *structure = NULL;
+
+ dfbvideosink = GST_DFBVIDEOSINK (bsink);
+
+ GST_DEBUG ("a buffer of %d bytes was requested with caps %" GST_PTR_FORMAT
+ " and offset %llu", size, caps, offset);
+
+ desired_caps = gst_caps_copy (caps);
+
+ structure = gst_caps_get_structure (desired_caps, 0);
+
+ if (gst_structure_get_int (structure, "width", &width) &&
+ gst_structure_get_int (structure, "height", &height)) {
+ DFBRectangle dst, src, result;
+ GstDfbVMode vmode;
+
+ /* If we can do hardware scaling we don't do reverse negotiation */
+ if (dfbvideosink->hw_scaling) {
+ goto alloc;
+ }
+
+ /* Our desired geometry respects aspect ratio */
+ src.w = width;
+ src.h = height;
+ /* We should adapt the destination to the most suitable video mode */
+ if (gst_dfbvideosink_get_best_vmode (dfbvideosink, width, height, &vmode)) {
+ dst.w = vmode.width;
+ dst.h = vmode.height;
+ } else {
+ dst.w = dfbvideosink->out_width;
+ dst.h = dfbvideosink->out_height;
+ }
+
+ if (!dfbvideosink->ext_surface) {
+ gst_dfbvideosink_center_rect (src, dst, &result, TRUE);
+ } else {
+ /* Except for an external surface */
+ result = dst;
+ }
+
+ if (width != result.w && height != result.h) {
+ GstPad *peer = gst_pad_get_peer (GST_VIDEO_SINK_PAD (dfbvideosink));
+
+ if (!GST_IS_PAD (peer)) {
+ /* Is this situation possible ? */
+ goto alloc;
+ }
+
+ GST_DEBUG ("we would love to receive a %dx%d video", result.w, result.h);
+ gst_structure_set (structure, "width", G_TYPE_INT, result.w, NULL);
+ gst_structure_set (structure, "height", G_TYPE_INT, result.h, NULL);
+
+ if (gst_pad_accept_caps (peer, desired_caps)) {
+ GST_DEBUG ("peed pad accepts our desired caps %" GST_PTR_FORMAT,
+ desired_caps);
+ rev_nego = TRUE;
+ width = result.w;
+ height = result.h;
+ } else {
+ GST_DEBUG ("peer pad does not accept our desired caps %" GST_PTR_FORMAT,
+ desired_caps);
+ rev_nego = FALSE;
+ width = dfbvideosink->video_width;
+ height = dfbvideosink->video_height;
+ }
+ gst_object_unref (peer);
+ }
+ }
+
+alloc:
+ /* Inspect our buffer pool */
+ while (dfbvideosink->buffer_pool) {
+ surface = (GstDfbSurface *) dfbvideosink->buffer_pool->data;
+
+ if (surface) {
+ /* Removing from the pool */
+ dfbvideosink->buffer_pool =
+ g_slist_delete_link (dfbvideosink->buffer_pool,
+ dfbvideosink->buffer_pool);
+
+ /* If the surface is invalid for our need, destroy */
+ if ((surface->width != width) ||
+ (surface->height != height) ||
+ (surface->pixel_format != dfbvideosink->pixel_format)) {
+ gst_dfbvideosink_surface_destroy (dfbvideosink, surface);
+ surface = NULL;
+ } else {
+ /* We found a suitable surface */
+ break;
+ }
+ }
+ }
+
+ /* We haven't found anything, creating a new one */
+ if (!surface) {
+ if (rev_nego) {
+ surface = gst_dfbvideosink_surface_create (dfbvideosink, desired_caps,
+ size);
+ } else {
+ surface = gst_dfbvideosink_surface_create (dfbvideosink, caps, size);
+ }
+ }
+ /* Now we should have a surface, set appropriate caps on it */
+ if (surface) {
+ if (rev_nego) {
+ gst_buffer_set_caps (GST_BUFFER (surface), desired_caps);
+ } else {
+ gst_buffer_set_caps (GST_BUFFER (surface), caps);
+ }
+ }
+
+ gst_caps_unref (desired_caps);
+
+ *buf = GST_BUFFER (surface);
+
+beach:
+ return ret;
+}
+
+/* Our subclass of GstBuffer */
+
+static void
+gst_dfbsurface_finalize (GstDfbSurface * surface)
+{
+ GstDfbVideoSink *dfbvideosink = NULL;
+
+ g_return_if_fail (surface != NULL);
+
+ dfbvideosink = surface->dfbvideosink;
+ if (!dfbvideosink)
+ goto no_sink;
+
+ /* If our geometry changed we can't reuse that image. */
+ if ((surface->width != dfbvideosink->video_width) ||
+ (surface->height != dfbvideosink->video_height) ||
+ (surface->pixel_format != dfbvideosink->pixel_format)) {
+ GST_DEBUG ("destroy image as its size changed %dx%d vs current %dx%d",
+ surface->width, surface->height,
+ dfbvideosink->video_width, dfbvideosink->video_height);
+ gst_dfbvideosink_surface_destroy (dfbvideosink, surface);
+ } else {
+ /* In that case we can reuse the image and add it to our image pool. */
+ GST_DEBUG ("recycling image in pool");
+ /* need to increment the refcount again to recycle */
+ gst_buffer_ref (GST_BUFFER (surface));
+ dfbvideosink->buffer_pool = g_slist_prepend (dfbvideosink->buffer_pool,
+ surface);
+ }
+ return;
+
+no_sink:
+ GST_WARNING ("no sink found");
+ return;
+}
+
+static void
+gst_dfbsurface_init (GstDfbSurface * surface, gpointer g_class)
+{
+ surface->surface = NULL;
+ surface->width = 0;
+ surface->height = 0;
+ surface->pixel_format = DSPF_UNKNOWN;
+ surface->dfbvideosink = NULL;
+}
+
+static void
+gst_dfbsurface_class_init (gpointer g_class, gpointer class_data)
+{
+ GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class);
+
+ mini_object_class->finalize = (GstMiniObjectFinalizeFunction)
+ gst_dfbsurface_finalize;
+}
+
+GType
+gst_dfbsurface_get_type (void)
+{
+ static GType _gst_dfbsurface_type;
+
+ if (G_UNLIKELY (_gst_dfbsurface_type == 0)) {
+ static const GTypeInfo dfbsurface_info = {
+ sizeof (GstBufferClass),
+ NULL,
+ NULL,
+ gst_dfbsurface_class_init,
+ NULL,
+ NULL,
+ sizeof (GstDfbSurface),
+ 0,
+ (GInstanceInitFunc) gst_dfbsurface_init,
+ NULL
+ };
+ _gst_dfbsurface_type = g_type_register_static (GST_TYPE_BUFFER,
+ "GstDfbSurface", &dfbsurface_info, 0);
+ }
+ return _gst_dfbsurface_type;
+}
+
+/* Interfaces stuff */
+
+static gboolean
+gst_dfbvideosink_interface_supported (GstImplementsInterface * iface,
+ GType type)
+{
+ g_assert (type == GST_TYPE_NAVIGATION);
+ return TRUE;
+}
+
+static void
+gst_dfbvideosink_interface_init (GstImplementsInterfaceClass * klass)
+{
+ klass->supported = gst_dfbvideosink_interface_supported;
+}
+
+static void
+gst_dfbvideosink_navigation_send_event (GstNavigation * navigation,
+ GstStructure * structure)
+{
+ GstDfbVideoSink *dfbvideosink = GST_DFBVIDEOSINK (navigation);
+ GstEvent *event;
+ DFBRectangle src, dst, result;
+ gint width, height;
+ double x, y;
+ GstPad *pad = NULL;
+
+ src.w = dfbvideosink->video_width;
+ src.h = dfbvideosink->video_height;
+ dst.w = dfbvideosink->out_width;
+ dst.h = dfbvideosink->out_height;
+ gst_dfbvideosink_center_rect (src, dst, &result, dfbvideosink->hw_scaling);
+
+ event = gst_event_new_navigation (structure);
+
+ /* Our coordinates can be wrong here if we centered the video */
+
+ /* Converting pointer coordinates to the non scaled geometry */
+ if (gst_structure_get_double (structure, "pointer_x", &x)) {
+ double old_x = x;
+
+ if (x >= result.x && x <= (result.x + result.w)) {
+ x -= result.x;
+ x *= dfbvideosink->video_width;
+ x /= result.w;
+ } else {
+ x = 0;
+ }
+ GST_DEBUG ("translated navigation event x coordinate from %f to %f",
+ old_x, x);
+ gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE, x, NULL);
+ }
+ if (gst_structure_get_double (structure, "pointer_y", &y)) {
+ double old_y = y;
+
+ if (y >= result.y && y <= (result.y + result.h)) {
+ y -= result.y;
+ y *= dfbvideosink->video_height;
+ y /= result.h;
+ } else {
+ y = 0;
+ }
+ GST_DEBUG ("translated navigation event y coordinate from %fd to %fd",
+ old_y, y);
+ gst_structure_set (structure, "pointer_y", G_TYPE_DOUBLE, y, NULL);
+ }
+
+ pad = gst_pad_get_peer (GST_VIDEO_SINK_PAD (dfbvideosink));
+
+ if (GST_IS_PAD (pad)) {
+ gst_pad_send_event (pad, event);
+
+ gst_object_unref (pad);
+ }
+}
+
+static void
+gst_dfbvideosink_navigation_init (GstNavigationInterface * iface)
+{
+ iface->send_event = gst_dfbvideosink_navigation_send_event;
+}
+
+/* Properties */
+
+static void
+gst_dfbvideosink_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstDfbVideoSink *dfbvideosink;
+
+ g_return_if_fail (GST_IS_DFBVIDEOSINK (object));
+ dfbvideosink = GST_DFBVIDEOSINK (object);
+
+ switch (prop_id) {
+ case ARG_SURFACE:
+ dfbvideosink->ext_surface = g_value_get_pointer (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_dfbvideosink_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstDfbVideoSink *dfbvideosink;
+
+ g_return_if_fail (GST_IS_DFBVIDEOSINK (object));
+ dfbvideosink = GST_DFBVIDEOSINK (object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+/* =========================================== */
+/* */
+/* Init & Class init */
+/* */
+/* =========================================== */
+
+static void
+gst_dfbvideosink_init (GstDfbVideoSink * dfbvideosink)
+{
+ dfbvideosink->pixel_format = DSPF_UNKNOWN;
+ dfbvideosink->video_height = 0;
+ dfbvideosink->video_width = 0;
+ dfbvideosink->framerate = 0;
+
+ dfbvideosink->dfb = NULL;
+ dfbvideosink->layer = NULL;
+ dfbvideosink->ext_surface = NULL;
+ dfbvideosink->primary = NULL;
+ dfbvideosink->setup = FALSE;
+ dfbvideosink->running = FALSE;
+}
+
+static void
+gst_dfbvideosink_base_init (gpointer g_class)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+ gst_element_class_set_details (element_class, &gst_dfbvideosink_details);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_dfbvideosink_sink_template_factory));
+}
+
+static void
+gst_dfbvideosink_class_init (GstDfbVideoSinkClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+ GstBaseSinkClass *gstbasesink_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+ gstbasesink_class = (GstBaseSinkClass *) klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_VIDEO_SINK);
+
+ gobject_class->set_property = gst_dfbvideosink_set_property;
+ gobject_class->get_property = gst_dfbvideosink_get_property;
+
+ 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));
+
+ gstelement_class->change_state = gst_dfbvideosink_change_state;
+
+ gstbasesink_class->get_caps = gst_dfbvideosink_getcaps;
+ gstbasesink_class->set_caps = gst_dfbvideosink_setcaps;
+ gstbasesink_class->buffer_alloc = gst_dfbvideosink_buffer_alloc;
+ gstbasesink_class->get_times = gst_dfbvideosink_get_times;
+ gstbasesink_class->preroll = gst_dfbvideosink_show_frame;
+ gstbasesink_class->render = gst_dfbvideosink_show_frame;
+}
+
+/* ============================================================= */
+/* */
+/* Public Methods */
+/* */
+/* ============================================================= */
+
+/* =========================================== */
+/* */
+/* Object typing & Creation */
+/* */
+/* =========================================== */
+
+GType
+gst_dfbvideosink_get_type (void)
+{
+ static GType dfbvideosink_type = 0;
+
+ if (!dfbvideosink_type) {
+ static const GTypeInfo dfbvideosink_info = {
+ sizeof (GstDfbVideoSinkClass),
+ gst_dfbvideosink_base_init,
+ NULL,
+ (GClassInitFunc) gst_dfbvideosink_class_init,
+ NULL,
+ NULL,
+ sizeof (GstDfbVideoSink),
+ 0,
+ (GInstanceInitFunc) gst_dfbvideosink_init,
+ };
+ static const GInterfaceInfo iface_info = {
+ (GInterfaceInitFunc) gst_dfbvideosink_interface_init,
+ NULL,
+ NULL,
+ };
+ static const GInterfaceInfo navigation_info = {
+ (GInterfaceInitFunc) gst_dfbvideosink_navigation_init,
+ NULL,
+ NULL,
+ };
+
+ dfbvideosink_type = g_type_register_static (GST_TYPE_VIDEO_SINK,
+ "GstDfbVideoSink", &dfbvideosink_info, 0);
+
+ g_type_add_interface_static (dfbvideosink_type,
+ GST_TYPE_IMPLEMENTS_INTERFACE, &iface_info);
+ g_type_add_interface_static (dfbvideosink_type, GST_TYPE_NAVIGATION,
+ &navigation_info);
+ }
+
+ return dfbvideosink_type;
+}
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+ if (!gst_element_register (plugin, "dfbvideosink", GST_RANK_PRIMARY,
+ GST_TYPE_DFBVIDEOSINK))
+ return FALSE;
+
+ GST_DEBUG_CATEGORY_INIT (dfbvideosink_debug, "dfbvideosink", 0,
+ "DirectFB video sink element");
+
+ return TRUE;
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "dfbvideosink",
+ "DirectFB video output plugin",
+ plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN)
+++ /dev/null
-/* 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 GstStateChangeReturn
-gst_directfbvideosink_change_state (GstElement * element,
- GstStateChange transition)
-{
- GstDirectFBVideoSink *directfbvideosink;
-
- directfbvideosink = GST_DIRECTFBVIDEOSINK (element);
-
- switch (transition) {
- case GST_STATE_CHANGE_NULL_TO_READY:
- break;
- case GST_STATE_CHANGE_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_CHANGE_PAUSED_TO_PLAYING:
- break;
- case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
- break;
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- directfbvideosink->framerate = 0;
- GST_VIDEOSINK_WIDTH (directfbvideosink) = 0;
- GST_VIDEOSINK_HEIGHT (directfbvideosink) = 0;
- break;
- case GST_STATE_CHANGE_READY_TO_NULL:
- break;
- }
-
- if (GST_ELEMENT_CLASS (parent_class)->change_state)
- return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
- return GST_STATE_CHANGE_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_OBJECT_FLAG_SET (directfbvideosink, GST_ELEMENT_THREAD_SUGGESTED);
- GST_OBJECT_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)
projects / platform / upstream / gst-plugins-bad.git / commitdiff