diff options
Diffstat (limited to 'ext/directfb/dfbvideosink.c')
| -rw-r--r-- | ext/directfb/dfbvideosink.c | 1673 |
1 files changed, 1673 insertions, 0 deletions
diff --git a/ext/directfb/dfbvideosink.c b/ext/directfb/dfbvideosink.c new file mode 100644 index 00000000..8e69ca02 --- /dev/null +++ b/ext/directfb/dfbvideosink.c @@ -0,0 +1,1673 @@ +/* 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) |