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gstreamer/subprojects/gst-plugins-bad/ext/directfb/dfbvideosink.c
Vivienne Watermeier 6c2f6c3bd4 all: Use new navigation interface and API 
Use and implement the new navigation interface in all relevant sink elements,
and use API functions everywhere instead of directy accessing the event structure.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1633>
2022-03-23 13:14:52 +00:00

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/* GStreamer DirectFB plugin
* Copyright (C) 2005 Julien MOUTTE <julien@moutte.net>
* Copyright (C) 2013 Kazunori Kobayashi <kkobayas@igel.co.jp>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:element-dfbvideosink
* @title: dfbvideosink
*
* DfbVideoSink renders video frames using the
* [DirectFB](http://www.directfb.org/) library.
* Rendering can happen in two different modes :
*
* * Standalone: this mode will take complete control of the monitor forcing
* DirectFB to fullscreen layout.
*
* This is convenient to test using the gst-launch-1.0 command line tool or
* other simple applications. It is possible to interrupt playback while
* being in this mode by pressing the Escape key.
* This mode handles navigation events for every input device supported by
* the DirectFB library, it will look for available video modes in the fb.modes
* file and try to switch the framebuffer video mode to the most suitable one.
* Depending on hardware acceleration capabilities the element will handle
* scaling or not.
*
* If no acceleration is available it will do clipping or centering of the
* video frames respecting the original aspect ratio.
*
* * Embedded: this mode will render video frames in a
* #GstDfbVideoSink:surface provided by the
* application developer. This is a more advanced usage of the element and
* it is required to integrate video playback in existing
* DirectFB applications.
*
* When using this mode the element just renders to the
* #GstDfbVideoSink:surface provided by the
* application, that means it won't handle navigation events and won't resize
* the #GstDfbVideoSink:surface to fit video
* frames geometry. Application has to implement the necessary code to grab
* information about the negotiated geometry and resize there
* #GstDfbVideoSink:surface accordingly.
*
* For both modes the element implements a buffer pool allocation system to
* optimize memory allocation time and handle reverse negotiation. Indeed if
* you insert an element like videoscale in the pipeline the video sink will
* negotiate with it to try get a scaled video for either the fullscreen layout
* or the application provided external #GstDfbVideoSink:surface.
*
* ## Example application
*
* <include xmlns="http://www.w3.org/2003/XInclude" href="element-dfb-example.xml" />
*
* ## Example pipelines
* |[
* gst-launch-1.0 -v videotestsrc ! dfbvideosink hue=20000 saturation=40000 brightness=25000
* ]| test the colorbalance interface implementation in dfbvideosink
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/video/video.h>
/* Object header */
#include "dfbvideosink.h"
#include <string.h>
#include <stdlib.h>
/* Debugging category */
GST_DEBUG_CATEGORY_STATIC (dfbvideosink_debug);
#define GST_CAT_DEFAULT dfbvideosink_debug
/* 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, "
"framerate = (fraction) [ 0, MAX ], "
"width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ]")
);
/* Signals and args */
enum
{
ARG_0,
ARG_SURFACE,
ARG_CONTRAST,
ARG_BRIGHTNESS,
ARG_HUE,
ARG_SATURATION,
ARG_PIXEL_ASPECT_RATIO,
ARG_VSYNC,
ARG_LAYER_MODE
};
#define DEFAULT_LAYER_MODE LAYER_MODE_EXCLUSIVE
static DFBSurfacePixelFormat gst_dfbvideosink_get_format_from_caps (GstCaps *
caps);
static void gst_dfbvideosink_update_colorbalance (GstDfbVideoSink *
dfbvideosink);
static void gst_dfbvideosink_navigation_init (GstNavigationInterface * iface);
static void gst_dfbvideosink_colorbalance_init (GstColorBalanceInterface
* iface);
static const char *gst_dfbvideosink_get_format_name (DFBSurfacePixelFormat
format);
#define gst_dfbvideosink_parent_class parent_class
static GType
gst_dfbvideosink_layer_mode_get_type (void)
{
static gsize id = 0;
static const GEnumValue values[] = {
{0, "NONE", "none"},
{DLSCL_EXCLUSIVE, "DLSCL_EXCLUSIVE", "exclusive"},
{DLSCL_ADMINISTRATIVE, "DLSCL_ADMINISTRATIVE", "administrative"},
{0, NULL, NULL}
};
if (g_once_init_enter (&id)) {
GType tmp = g_enum_register_static ("GstDfbVideoSinkLayerMode", values);
g_once_init_leave (&id, tmp);
}
return (GType) id;
}
GType
gst_meta_dfbsurface_api_get_type (void)
{
static GType type;
static const gchar *tags[] = { "memory", NULL };
if (g_once_init_enter (&type)) {
GType _type = gst_meta_api_type_register ("GstMetaDfbSurfaceAPI", tags);
g_once_init_leave (&type, _type);
}
return type;
}
static gboolean
gst_meta_dfbsurface_init (GstMetaDfbSurface * meta, gpointer params,
GstBuffer * buf)
{
meta->surface = NULL;
meta->width = meta->height = 0;
meta->locked = FALSE;
meta->pixel_format = 0;
meta->dfbvideosink = NULL;
return TRUE;
}
/* our metadata */
const GstMetaInfo *
gst_meta_dfbsurface_get_info (void)
{
static const GstMetaInfo *meta_info = NULL;
if (g_once_init_enter (&meta_info)) {
const GstMetaInfo *meta =
gst_meta_register (gst_meta_dfbsurface_api_get_type (),
"GstMetaDfbSurface", sizeof (GstMetaDfbSurface),
(GstMetaInitFunction) gst_meta_dfbsurface_init,
(GstMetaFreeFunction) NULL,
(GstMetaTransformFunction) NULL);
g_once_init_leave (&meta_info, meta);
}
return meta_info;
}
G_DEFINE_TYPE (GstDfbBufferPool, gst_dfb_buffer_pool, GST_TYPE_BUFFER_POOL);
static gboolean
gst_dfb_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
{
GstDfbBufferPool *dfbpool = GST_DFB_BUFFER_POOL_CAST (pool);
GstCaps *caps;
DFBSurfacePixelFormat pixel_format = DSPF_UNKNOWN;
gint width, height;
DFBResult ret;
DFBSurfaceDescription s_dsc;
IDirectFBSurface *surface;
gpointer data;
gint pitch;
guint size;
guint min_buffers;
guint max_buffers;
GstVideoInfo info;
if (!dfbpool->dfbvideosink->setup) {
GST_WARNING_OBJECT (pool, "DirectFB hasn't been initialized yet.");
return FALSE;
}
if (!gst_buffer_pool_config_get_params (config, &caps, NULL, &min_buffers,
&max_buffers)) {
GST_WARNING_OBJECT (pool, "invalid config");
return FALSE;
}
pixel_format = gst_dfbvideosink_get_format_from_caps (caps);
if (!gst_video_info_from_caps (&info, caps)) {
GST_WARNING_OBJECT (pool, "failed getting video info from caps %"
GST_PTR_FORMAT, caps);
return FALSE;
}
width = GST_VIDEO_INFO_WIDTH (&info);
height = GST_VIDEO_INFO_HEIGHT (&info);
/* temporarily create a surface to get the pitch */
s_dsc.flags = DSDESC_PIXELFORMAT | DSDESC_WIDTH | DSDESC_HEIGHT;
s_dsc.pixelformat = pixel_format;
s_dsc.width = width;
s_dsc.height = height;
ret = dfbpool->dfbvideosink->dfb->CreateSurface (dfbpool->dfbvideosink->dfb,
&s_dsc, &surface);
if (ret != DFB_OK) {
GST_WARNING_OBJECT (pool, "failed creating surface with format %s",
gst_dfbvideosink_get_format_name (pixel_format));
return FALSE;
}
ret = surface->Lock (surface, DSLF_READ, &data, &pitch);
if (ret != DFB_OK) {
GST_WARNING_OBJECT (pool, "failed locking the surface");
surface->Release (surface);
return FALSE;
}
surface->Unlock (surface);
surface->Release (surface);
switch (GST_VIDEO_INFO_FORMAT (&info)) {
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
case GST_VIDEO_FORMAT_NV12:
size = pitch * height * 3 / 2;
break;
default:
size = pitch * height;
break;
}
gst_buffer_pool_config_set_params (config, caps, size, min_buffers,
max_buffers);
dfbpool->caps = gst_caps_ref (caps);
return GST_BUFFER_POOL_CLASS (gst_dfb_buffer_pool_parent_class)->set_config
(pool, config);
}
static void
gst_dfb_buffer_pool_free_buffer (GstBufferPool * bpool, GstBuffer * surface)
{
GstMetaDfbSurface *meta;
meta = GST_META_DFBSURFACE_GET (surface);
/* Release our internal surface */
if (meta->surface) {
if (meta->locked) {
meta->surface->Unlock (meta->surface);
meta->locked = FALSE;
}
meta->surface->Release (meta->surface);
}
if (meta->dfbvideosink)
/* Release the ref to our sink */
gst_object_unref (meta->dfbvideosink);
GST_BUFFER_POOL_CLASS (gst_dfb_buffer_pool_parent_class)->free_buffer (bpool,
surface);
}
static GstFlowReturn
gst_dfb_buffer_pool_alloc_buffer (GstBufferPool * bpool,
GstBuffer ** buffer, GstBufferPoolAcquireParams * params)
{
GstDfbBufferPool *dfbpool = GST_DFB_BUFFER_POOL_CAST (bpool);
GstBuffer *surface;
GstMetaDfbSurface *meta;
GstStructure *structure;
DFBResult ret;
DFBSurfaceDescription s_dsc;
gpointer data;
gint pitch;
GstFlowReturn result = GST_FLOW_ERROR;
gsize alloc_size;
gsize offset[GST_VIDEO_MAX_PLANES] = { 0 };
gint stride[GST_VIDEO_MAX_PLANES] = { 0 };
gsize max_size;
gsize plane_size[GST_VIDEO_MAX_PLANES] = { 0 };
guint n_planes;
const gchar *str;
GstVideoFormat format;
gint i;
surface = gst_buffer_new ();
meta = GST_META_DFBSURFACE_ADD (surface);
/* Keep a ref to our sink */
meta->dfbvideosink = gst_object_ref (dfbpool->dfbvideosink);
/* Surface is not locked yet */
meta->locked = FALSE;
structure = gst_caps_get_structure (dfbpool->caps, 0);
if (!gst_structure_get_int (structure, "width", &meta->width) ||
!gst_structure_get_int (structure, "height", &meta->height)) {
GST_WARNING_OBJECT (bpool, "failed getting geometry from caps %"
GST_PTR_FORMAT, dfbpool->caps);
goto fallback;
}
/* Pixel format from caps */
meta->pixel_format = gst_dfbvideosink_get_format_from_caps (dfbpool->caps);
if (meta->pixel_format == DSPF_UNKNOWN) {
goto fallback;
}
if (!dfbpool->dfbvideosink->dfb) {
GST_DEBUG_OBJECT (bpool, "no DirectFB context to create a surface");
goto fallback;
}
/* 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 = meta->pixel_format;
s_dsc.width = meta->width;
s_dsc.height = meta->height;
ret =
dfbpool->dfbvideosink->dfb->CreateSurface (dfbpool->dfbvideosink->dfb,
&s_dsc, &meta->surface);
if (ret != DFB_OK) {
GST_WARNING_OBJECT (bpool, "failed creating a DirectFB surface");
meta->surface = NULL;
goto fallback;
}
/* Clearing surface */
meta->surface->Clear (meta->surface, 0x00, 0x00, 0x00, 0xFF);
/* Locking the surface to acquire the memory pointer */
meta->surface->Lock (meta->surface, DSLF_WRITE, &data, &pitch);
meta->locked = TRUE;
GST_DEBUG_OBJECT (bpool, "creating a %dx%d surface (%p) with %s "
"pixel format, line pitch %d", meta->width, meta->height, surface,
gst_dfbvideosink_get_format_name (meta->pixel_format), pitch);
structure = gst_caps_get_structure (dfbpool->caps, 0);
str = gst_structure_get_string (structure, "format");
if (str == NULL) {
GST_WARNING ("failed grabbing fourcc from caps %" GST_PTR_FORMAT,
dfbpool->caps);
return GST_FLOW_ERROR;
}
format = gst_video_format_from_string (str);
switch (format) {
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
offset[1] = pitch * meta->height;
offset[2] = offset[1] + pitch / 2 * meta->height / 2;
stride[0] = pitch;
stride[1] = stride[2] = pitch / 2;
plane_size[0] = offset[1];
plane_size[1] = plane_size[2] = plane_size[0] / 4;
max_size = plane_size[0] * 3 / 2;
n_planes = 3;
break;
case GST_VIDEO_FORMAT_NV12:
offset[1] = pitch * meta->height;
stride[0] = stride[1] = pitch;
plane_size[0] = offset[1];
plane_size[1] = pitch * meta->height / 2;
max_size = plane_size[0] * 3 / 2;
n_planes = 2;
break;
default:
stride[0] = pitch;
plane_size[0] = max_size = pitch * meta->height;
n_planes = 1;
break;
}
for (i = 0; i < n_planes; i++) {
gst_buffer_append_memory (surface,
gst_memory_new_wrapped (0, data, max_size, offset[i], plane_size[i],
NULL, NULL));
}
gst_buffer_add_video_meta_full (surface, GST_VIDEO_FRAME_FLAG_NONE,
format, meta->width, meta->height, n_planes, offset, stride);
result = GST_FLOW_OK;
goto beach;
fallback:
/* We allocate a standard buffer ourselves to store it in our buffer pool,
this is an optimisation for memory allocation */
alloc_size = meta->width * meta->height;
surface = gst_buffer_new_allocate (NULL, alloc_size, NULL);
if (surface == NULL) {
GST_WARNING_OBJECT (bpool, "failed allocating a gstbuffer");
goto beach;
}
if (meta->surface) {
if (meta->locked) {
meta->surface->Unlock (meta->surface);
meta->locked = FALSE;
}
meta->surface->Release (meta->surface);
meta->surface = NULL;
}
GST_DEBUG_OBJECT (bpool, "allocating a buffer (%p) of %u bytes",
surface, (guint) alloc_size);
result = GST_FLOW_OK;
beach:
if (result != GST_FLOW_OK) {
gst_dfb_buffer_pool_free_buffer (bpool, surface);
*buffer = NULL;
} else
*buffer = surface;
return result;
}
static GstBufferPool *
gst_dfb_buffer_pool_new (GstDfbVideoSink * dfbvideosink)
{
GstDfbBufferPool *pool;
g_return_val_if_fail (GST_IS_DFBVIDEOSINK (dfbvideosink), NULL);
pool = g_object_new (GST_TYPE_DFB_BUFFER_POOL, NULL);
g_object_ref_sink (pool);
pool->dfbvideosink = gst_object_ref (dfbvideosink);
GST_LOG_OBJECT (pool, "new dfb buffer pool %p", pool);
return GST_BUFFER_POOL_CAST (pool);
}
static void
gst_dfb_buffer_pool_finalize (GObject * object)
{
GstDfbBufferPool *pool = GST_DFB_BUFFER_POOL_CAST (object);
if (pool->caps)
gst_caps_unref (pool->caps);
gst_object_unref (pool->dfbvideosink);
G_OBJECT_CLASS (gst_dfb_buffer_pool_parent_class)->finalize (object);
}
static void
gst_dfb_buffer_pool_init (GstDfbBufferPool * pool)
{
/* No processing */
}
static void
gst_dfb_buffer_pool_class_init (GstDfbBufferPoolClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
GstBufferPoolClass *gstbufferpool_class = (GstBufferPoolClass *) klass;
gobject_class->finalize = gst_dfb_buffer_pool_finalize;
gstbufferpool_class->alloc_buffer = gst_dfb_buffer_pool_alloc_buffer;
gstbufferpool_class->set_config = gst_dfb_buffer_pool_set_config;
gstbufferpool_class->free_buffer = gst_dfb_buffer_pool_free_buffer;
}
G_DEFINE_TYPE_WITH_CODE (GstDfbVideoSink, gst_dfbvideosink, GST_TYPE_VIDEO_SINK,
G_IMPLEMENT_INTERFACE (GST_TYPE_NAVIGATION,
gst_dfbvideosink_navigation_init);
G_IMPLEMENT_INTERFACE (GST_TYPE_COLOR_BALANCE,
gst_dfbvideosink_colorbalance_init);
GST_DEBUG_CATEGORY_INIT (dfbvideosink_debug, "dfbvideosink", 0,
"DirectFB video sink element");
);
GST_ELEMENT_REGISTER_DEFINE (dfbvideosink, "dfbvideosink", GST_RANK_MARGINAL,
GST_TYPE_DFBVIDEOSINK);
#ifndef GST_DISABLE_GST_DEBUG
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";
}
}
#endif /* GST_DISABLE_GST_DEBUG */
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_OBJECT (dfbvideosink, "we have an event");
ret = dfbvideosink->event_buffer->GetEvent (dfbvideosink->event_buffer,
&event);
if (ret != DFB_OK) { /* Error */
GST_WARNING_OBJECT (dfbvideosink, "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_OBJECT (dfbvideosink, "key press event %c !",
event.input.key_symbol);
gst_dfbvideosink_navigation_send_event
(gst_navigation_event_new_key_press ("prout"));
}
} else if (event.input.type == DIET_BUTTONPRESS) {
gint x, y;
dfbvideosink->layer->GetCursorPosition (dfbvideosink->layer, &x, &y);
GST_DEBUG_OBJECT (dfbvideosink, "button %d pressed at %dx%d",
event.input.button, x, y);
gst_dfbvideosink_navigation_send_event
(gst_navigation_event_new_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_OBJECT (dfbvideosink, "button %d released at %dx%d",
event.input.button, x, y);
gst_dfbvideosink_navigation_send_event
(gst_navigation_event_new_mouse_button_release
(event.input.button, x, y));
} else if (event.input.type == DIET_AXISMOTION) {
gint x, y;
dfbvideosink->layer->GetCursorPosition (dfbvideosink->layer, &x, &y);
gst_dfbvideosink_navigation_send_event
(gst_navigation_event_new_mouse_move (x, y));
} else {
GST_WARNING_OBJECT (dfbvideosink, "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_OBJECT (dfbvideosink, "inspecting display layer %d with name: %s",
id, desc.name);
if ((desc.type & DLTF_VIDEO) && (desc.caps & DLCAPS_SURFACE)) {
GST_DEBUG_OBJECT (dfbvideosink,
"this layer can handle live video and has a surface");
} else {
if (desc.caps & DLCAPS_SURFACE) {
GST_DEBUG_OBJECT (dfbvideosink,
"this layer can not handle live video but has a surface");
} else {
GST_DEBUG_OBJECT (dfbvideosink, "no we can't use that layer, really...");
goto beach;
}
}
ret = dfbvideosink->dfb->GetDisplayLayer (dfbvideosink->dfb, id, &layer);
if (ret != DFB_OK) {
GST_WARNING_OBJECT (dfbvideosink, "failed getting display layer %s",
desc.name);
goto beach;
}
ret = layer->GetConfiguration (layer, &dlc);
if (ret != DFB_OK) {
GST_WARNING_OBJECT (dfbvideosink,
"failed getting display layer configuration");
goto beach;
}
if ((dlc.flags & DLCONF_BUFFERMODE) && (dlc.buffermode & DLBM_FRONTONLY)) {
GST_DEBUG_OBJECT (dfbvideosink, "no backbuffer");
}
if ((dlc.flags & DLCONF_BUFFERMODE) && (dlc.buffermode & DLBM_BACKVIDEO)) {
GST_DEBUG_OBJECT (dfbvideosink, "backbuffer is in video memory");
backbuffer = TRUE;
}
if ((dlc.flags & DLCONF_BUFFERMODE) && (dlc.buffermode & DLBM_BACKSYSTEM)) {
GST_DEBUG_OBJECT (dfbvideosink, "backbuffer is in system memory");
backbuffer = TRUE;
}
if ((dlc.flags & DLCONF_BUFFERMODE) && (dlc.buffermode & DLBM_TRIPLE)) {
GST_DEBUG_OBJECT (dfbvideosink, "triple buffering");
backbuffer = TRUE;
}
/* If the primary is suitable we prefer using it */
if (dfbvideosink->layer_id != DLID_PRIMARY) {
GST_DEBUG_OBJECT (dfbvideosink, "selecting layer named %s", desc.name);
dfbvideosink->layer_id = id;
dfbvideosink->backbuffer = backbuffer;
} else {
GST_DEBUG_OBJECT (dfbvideosink, "layer %s is suitable but the primary "
"is currently selected and we prefer that one", desc.name);
}
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_OBJECT (dfbvideosink, "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_OBJECT (dfbvideosink, "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_OBJECT (dfbvideosink, "failed when getting input device id %d",
id);
goto beach;
}
ret = device->AttachEventBuffer (device, dfbvideosink->event_buffer);
if (ret != DFB_OK) {
GST_WARNING_OBJECT (dfbvideosink, "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->fps_d = 0;
dfbvideosink->fps_n = 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_OBJECT (dfbvideosink, "no external surface, taking over "
"DirectFB fullscreen");
if (!dfbvideosink->dfb) {
DFBGraphicsDeviceDescription hw_caps;
char *argv[] = { (char *) "-", (char *) "--dfb:quiet",
(char *) "--dfb:no-sighandler", NULL
};
int argc = 3;
char **args;
GST_DEBUG_OBJECT (dfbvideosink, "initializing DirectFB");
args = argv;
ret = DirectFBInit (&argc, &args);
if (ret != DFB_OK) {
GST_WARNING_OBJECT (dfbvideosink, "DirectFB initialization failed");
goto beach;
}
ret = DirectFBCreate (&(dfbvideosink->dfb));
if (ret != DFB_OK) {
GST_WARNING_OBJECT (dfbvideosink, "failed creating the DirectFB "
"main object");
goto beach;
}
/* Get Hardware capabilities */
ret = dfbvideosink->dfb->GetDeviceDescription (dfbvideosink->dfb,
&hw_caps);
if (ret != DFB_OK) {
GST_WARNING_OBJECT (dfbvideosink, "failed grabbing the hardware "
"capabilities");
goto beach;
}
GST_DEBUG_OBJECT (dfbvideosink, "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_OBJECT (dfbvideosink, "Blit is accelerated");
}
if (hw_caps.acceleration_mask & DFXL_STRETCHBLIT) {
GST_DEBUG_OBJECT (dfbvideosink, "StretchBlit is accelerated");
dfbvideosink->hw_scaling = TRUE;
} else {
GST_DEBUG_OBJECT (dfbvideosink, "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_new ("dfbvsink-events",
(GThreadFunc) gst_dfbvideosink_event_thread, dfbvideosink);
}
if (!dfbvideosink->layer) {
GList *channels_list = NULL;
DFBDisplayLayerDescription dl_desc;
/* Get the best Display Layer */
ret = dfbvideosink->dfb->GetDisplayLayer (dfbvideosink->dfb,
dfbvideosink->layer_id, &dfbvideosink->layer);
if (ret != DFB_OK) {
GST_WARNING_OBJECT (dfbvideosink, "failed getting display layer");
goto beach;
}
if (dfbvideosink->layer_mode == LAYER_MODE_EXCLUSIVE ||
dfbvideosink->layer_mode == LAYER_MODE_ADMINISTRATIVE)
ret = dfbvideosink->layer->SetCooperativeLevel (dfbvideosink->layer,
dfbvideosink->layer_mode);
else {
GST_ERROR_OBJECT (dfbvideosink, "invalid layer cooperative level");
goto beach;
}
if (ret != DFB_OK) {
GST_WARNING_OBJECT (dfbvideosink, "failed setting display layer to "
"fullscreen mode");
goto beach;
}
dfbvideosink->layer->GetDescription (dfbvideosink->layer, &dl_desc);
/* Check that this layer is able to do colorbalance settings */
if (dl_desc.caps & DLCAPS_BRIGHTNESS) {
channels_list = g_list_append (channels_list, (char *) "BRIGHTNESS");
}
if (dl_desc.caps & DLCAPS_CONTRAST) {
channels_list = g_list_append (channels_list, (char *) "CONTRAST");
}
if (dl_desc.caps & DLCAPS_HUE) {
channels_list = g_list_append (channels_list, (char *) "HUE");
}
if (dl_desc.caps & DLCAPS_SATURATION) {
channels_list = g_list_append (channels_list, (char *) "SATURATION");
}
if (channels_list) {
GList *walk = channels_list;
/* Generate Color balance channel list */
while (walk) {
GstColorBalanceChannel *channel = NULL;
GST_DEBUG_OBJECT (dfbvideosink, "adding %s as a colorbalance channel",
(const char *) walk->data);
channel = g_object_new (GST_TYPE_COLOR_BALANCE_CHANNEL, NULL);
channel->label = g_strdup (walk->data);
channel->min_value = 0x0000;
channel->max_value = 0xFFFF;
dfbvideosink->cb_channels = g_list_append (dfbvideosink->cb_channels,
channel);
walk = g_list_next (walk);
}
/* If the colorbalance settings have not been touched we get current
values as defaults and update our internal variables */
if (!dfbvideosink->cb_changed) {
DFBColorAdjustment cb_adjust;
ret = dfbvideosink->layer->GetColorAdjustment (dfbvideosink->layer,
&cb_adjust);
if (ret != DFB_OK) {
GST_WARNING_OBJECT (dfbvideosink, "failed when getting color "
"adjustment from layer");
}
if (cb_adjust.flags & DCAF_BRIGHTNESS) {
dfbvideosink->brightness = cb_adjust.brightness;
} else {
dfbvideosink->brightness = 0x8000;
}
if (cb_adjust.flags & DCAF_CONTRAST) {
dfbvideosink->contrast = cb_adjust.contrast;
} else {
dfbvideosink->contrast = 0x8000;
}
if (cb_adjust.flags & DCAF_HUE) {
dfbvideosink->hue = cb_adjust.hue;
} else {
dfbvideosink->hue = 0x8000;
}
if (cb_adjust.flags & DCAF_SATURATION) {
dfbvideosink->saturation = cb_adjust.saturation;
} else {
dfbvideosink->saturation = 0x8000;
}
GST_DEBUG_OBJECT (dfbvideosink, "brightness %d, contrast %d, "
"hue %d, saturation %d", dfbvideosink->brightness,
dfbvideosink->contrast, dfbvideosink->hue,
dfbvideosink->saturation);
}
g_list_free (channels_list);
gst_dfbvideosink_update_colorbalance (dfbvideosink);
}
dfbvideosink->layer->SetBackgroundColor (dfbvideosink->layer,
0x00, 0x00, 0x00, 0xFF);
#if (DIRECTFB_VER >= GST_DFBVIDEOSINK_VER (1,6,0))
if (dfbvideosink->layer_mode == LAYER_MODE_ADMINISTRATIVE)
#endif
dfbvideosink->layer->EnableCursor (dfbvideosink->layer, TRUE);
GST_DEBUG_OBJECT (dfbvideosink, "getting primary surface");
dfbvideosink->layer->GetSurface (dfbvideosink->layer,
&dfbvideosink->primary);
dfbvideosink->primary->SetBlittingFlags (dfbvideosink->primary,
DSBLIT_NOFX);
}
dfbvideosink->primary->GetPixelFormat (dfbvideosink->primary,
&dfbvideosink->pixel_format);
} else {
DFBSurfaceCapabilities s_caps;
GST_DEBUG_OBJECT (dfbvideosink, "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_OBJECT (dfbvideosink, "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_OBJECT (dfbvideosink, "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->cb_channels) {
GList *walk = dfbvideosink->cb_channels;
while (walk) {
GstColorBalanceChannel *channel = walk->data;
g_object_unref (channel);
walk = g_list_next (walk);
}
g_list_free (dfbvideosink->cb_channels);
dfbvideosink->cb_channels = NULL;
}
if (dfbvideosink->pool) {
gst_object_unref (dfbvideosink->pool);
dfbvideosink->pool = NULL;
}
if (dfbvideosink->primary) {
dfbvideosink->primary->Release (dfbvideosink->primary);
dfbvideosink->primary = NULL;
}
if (dfbvideosink->layer) {
#if (DIRECTFB_VER >= GST_DFBVIDEOSINK_VER (1,6,0))
if (dfbvideosink->layer_mode == LAYER_MODE_ADMINISTRATIVE)
#endif
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;
DFBSurfacePixelFormat pixel_format = DSPF_UNKNOWN;
const gchar *str;
GstVideoFormat format;
g_return_val_if_fail (GST_IS_CAPS (caps), DSPF_UNKNOWN);
structure = gst_caps_get_structure (caps, 0);
str = gst_structure_get_string (structure, "format");
if (str == NULL) {
GST_WARNING ("failed grabbing fourcc from caps %" GST_PTR_FORMAT, caps);
return DSPF_UNKNOWN;
}
format = gst_video_format_from_string (str);
switch (format) {
case GST_VIDEO_FORMAT_RGB16:
pixel_format = DSPF_RGB16;
break;
case GST_VIDEO_FORMAT_RGB:
pixel_format = DSPF_RGB24;
break;
case GST_VIDEO_FORMAT_xRGB:
pixel_format = DSPF_RGB32;
break;
case GST_VIDEO_FORMAT_ARGB:
pixel_format = DSPF_ARGB;
break;
case GST_VIDEO_FORMAT_I420:
pixel_format = DSPF_I420;
break;
case GST_VIDEO_FORMAT_YV12:
pixel_format = DSPF_YV12;
break;
case GST_VIDEO_FORMAT_YUY2:
pixel_format = DSPF_YUY2;
break;
case GST_VIDEO_FORMAT_UYVY:
pixel_format = DSPF_UYVY;
break;
case GST_VIDEO_FORMAT_NV12:
pixel_format = DSPF_NV12;
break;
default:
GST_WARNING ("unhandled pixel format %s", str);
return DSPF_UNKNOWN;
}
return pixel_format;
}
static GstCaps *
gst_dfbvideosink_get_caps_from_format (DFBSurfacePixelFormat format)
{
const char *fourcc;
g_return_val_if_fail (format != DSPF_UNKNOWN, NULL);
switch (format) {
case DSPF_RGB16:
fourcc = gst_video_format_to_string (GST_VIDEO_FORMAT_RGB16);
break;
case DSPF_RGB24:
fourcc = gst_video_format_to_string (GST_VIDEO_FORMAT_RGB);
break;
case DSPF_RGB32:
fourcc = gst_video_format_to_string (GST_VIDEO_FORMAT_xRGB);
break;
case DSPF_ARGB:
fourcc = gst_video_format_to_string (GST_VIDEO_FORMAT_ARGB);
break;
case DSPF_YUY2:
fourcc = gst_video_format_to_string (GST_VIDEO_FORMAT_YUY2);
break;
case DSPF_UYVY:
fourcc = gst_video_format_to_string (GST_VIDEO_FORMAT_UYVY);
break;
case DSPF_I420:
fourcc = gst_video_format_to_string (GST_VIDEO_FORMAT_I420);
break;
case DSPF_YV12:
fourcc = gst_video_format_to_string (GST_VIDEO_FORMAT_YV12);
break;
case DSPF_NV12:
fourcc = gst_video_format_to_string (GST_VIDEO_FORMAT_NV12);
break;
default:
GST_WARNING ("unknown pixel format %s",
gst_dfbvideosink_get_format_name (format));
return NULL;
}
return gst_caps_new_simple ("video/x-raw", "format", G_TYPE_STRING, fourcc,
NULL);
}
static gboolean
gst_dfbvideosink_can_blit_from_format (GstDfbVideoSink * dfbvideosink,
DFBSurfacePixelFormat format, gboolean accelerated)
{
gboolean res = FALSE;
DFBResult ret;
IDirectFBSurface *surface = NULL;
DFBSurfaceDescription s_dsc;
DFBAccelerationMask mask;
DFBDisplayLayerConfig dlc, prev_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 = 10;
s_dsc.height = 10;
ret = dfbvideosink->dfb->CreateSurface (dfbvideosink->dfb, &s_dsc, &surface);
if (ret != DFB_OK) {
GST_WARNING_OBJECT (dfbvideosink, "failed creating surface with format %s",
gst_dfbvideosink_get_format_name (format));
goto beach;
}
/* Backup layer configuration */
ret = dfbvideosink->layer->GetConfiguration (dfbvideosink->layer, &prev_dlc);
if (ret != DFB_OK) {
GST_WARNING_OBJECT (dfbvideosink, "failed when getting current layer "
"configuration");
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_OBJECT (dfbvideosink, "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_OBJECT (dfbvideosink, "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_OBJECT (dfbvideosink, "failed getting acceleration mask");
goto beach;
}
/* Blitting from this format to our primary is accelerated */
if ((mask & DFXL_BLIT) && accelerated) {
GST_DEBUG_OBJECT (dfbvideosink, "blitting from format %s to our primary "
"is accelerated", gst_dfbvideosink_get_format_name (format));
res = TRUE;
} else if (!accelerated) {
GST_DEBUG_OBJECT (dfbvideosink, "blitting from format %s to our primary "
"is not accelerated", gst_dfbvideosink_get_format_name (format));
res = TRUE;
}
/* Restore original layer configuration */
ret = dfbvideosink->layer->SetConfiguration (dfbvideosink->layer, &prev_dlc);
if (ret != DFB_OK) {
GST_WARNING_OBJECT (dfbvideosink, "failed when restoring layer "
"configuration");
goto beach;
}
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);
if (!dfbvideosink->vmodes) {
goto beach;
}
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_OBJECT (dfbvideosink, "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;
beach:
return ret;
}
static GstCaps *
gst_dfbvideosink_getcaps (GstBaseSink * bsink, GstCaps * filter)
{
GstDfbVideoSink *dfbvideosink;
GstCaps *caps = NULL;
GstCaps *returned_caps;
gint i;
dfbvideosink = GST_DFBVIDEOSINK (bsink);
if (!dfbvideosink->setup) {
GstCaps *tcaps =
gst_pad_get_pad_template_caps (GST_VIDEO_SINK_PAD (dfbvideosink));
caps = gst_caps_copy (tcaps);
gst_caps_unref (tcaps);
GST_DEBUG_OBJECT (dfbvideosink, "getcaps called and we are not setup yet, "
"returning template %" GST_PTR_FORMAT, caps);
goto beach;
} else {
GST_DEBUG_OBJECT (dfbvideosink, "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 */
gboolean accelerated = TRUE;
caps = gst_caps_new_empty ();
do {
if (gst_dfbvideosink_can_blit_from_format (dfbvideosink, DSPF_RGB16,
accelerated)) {
gst_caps_append (caps,
gst_dfbvideosink_get_caps_from_format (DSPF_RGB16));
}
if (gst_dfbvideosink_can_blit_from_format (dfbvideosink, DSPF_RGB24,
accelerated)) {
gst_caps_append (caps,
gst_dfbvideosink_get_caps_from_format (DSPF_RGB24));
}
if (gst_dfbvideosink_can_blit_from_format (dfbvideosink, DSPF_RGB32,
accelerated)) {
gst_caps_append (caps,
gst_dfbvideosink_get_caps_from_format (DSPF_RGB32));
}
if (gst_dfbvideosink_can_blit_from_format (dfbvideosink, DSPF_ARGB,
accelerated)) {
gst_caps_append (caps,
gst_dfbvideosink_get_caps_from_format (DSPF_ARGB));
}
if (gst_dfbvideosink_can_blit_from_format (dfbvideosink, DSPF_NV12,
accelerated)) {
gst_caps_append (caps,
gst_dfbvideosink_get_caps_from_format (DSPF_NV12));
}
if (gst_dfbvideosink_can_blit_from_format (dfbvideosink, DSPF_YUY2,
accelerated)) {
gst_caps_append (caps,
gst_dfbvideosink_get_caps_from_format (DSPF_YUY2));
}
if (gst_dfbvideosink_can_blit_from_format (dfbvideosink, DSPF_UYVY,
accelerated)) {
gst_caps_append (caps,
gst_dfbvideosink_get_caps_from_format (DSPF_UYVY));
}
if (gst_dfbvideosink_can_blit_from_format (dfbvideosink, DSPF_I420,
accelerated)) {
gst_caps_append (caps,
gst_dfbvideosink_get_caps_from_format (DSPF_I420));
}
if (gst_dfbvideosink_can_blit_from_format (dfbvideosink, DSPF_YV12,
accelerated)) {
gst_caps_append (caps,
gst_dfbvideosink_get_caps_from_format (DSPF_YV12));
}
accelerated = !accelerated;
} while (accelerated == FALSE);
}
}
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, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
if (!dfbvideosink->hw_scaling && dfbvideosink->par) {
int nom, den;
nom = gst_value_get_fraction_numerator (dfbvideosink->par);
den = gst_value_get_fraction_denominator (dfbvideosink->par);
gst_structure_set (structure, "pixel-aspect-ratio",
GST_TYPE_FRACTION, nom, den, NULL);
}
}
beach:
if (filter) {
returned_caps = gst_caps_intersect_full (filter, caps,
GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (caps);
} else
returned_caps = caps;
GST_DEBUG_OBJECT (dfbvideosink, "returning our caps %" GST_PTR_FORMAT,
returned_caps);
return returned_caps;
}
static gboolean
gst_dfbvideosink_setcaps (GstBaseSink * bsink, GstCaps * caps)
{
GstDfbVideoSink *dfbvideosink;
GstStructure *structure;
gboolean res, result = FALSE;
gint video_width, video_height;
const GValue *framerate;
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);
framerate = gst_structure_get_value (structure, "framerate");
res &= (framerate != NULL);
if (!res) {
goto beach;
}
dfbvideosink->fps_n = gst_value_get_fraction_numerator (framerate);
dfbvideosink->fps_d = gst_value_get_fraction_denominator (framerate);
pixel_format = gst_dfbvideosink_get_format_from_caps (caps);
GST_DEBUG_OBJECT (dfbvideosink, "setcaps called with %" GST_PTR_FORMAT, caps);
GST_DEBUG_OBJECT (dfbvideosink, "our format is: %dx%d %s video at %d/%d fps",
video_width, video_height,
gst_dfbvideosink_get_format_name (pixel_format), dfbvideosink->fps_n,
dfbvideosink->fps_d);
if (dfbvideosink->hw_scaling && dfbvideosink->par) {
gint video_par_n, video_par_d; /* video's PAR */
gint display_par_n, display_par_d; /* display's PAR */
gint num, den;
GValue display_ratio = { 0, }; /* display w/h ratio */
const GValue *caps_par;
/* get aspect ratio from caps if it's present, and
* convert video width and height to a display width and height
* using wd / hd = wv / hv * PARv / PARd
* the ratio wd / hd will be stored in display_ratio */
g_value_init (&display_ratio, GST_TYPE_FRACTION);
/* get video's PAR */
caps_par = gst_structure_get_value (structure, "pixel-aspect-ratio");
if (caps_par) {
video_par_n = gst_value_get_fraction_numerator (caps_par);
video_par_d = gst_value_get_fraction_denominator (caps_par);
} else {
video_par_n = 1;
video_par_d = 1;
}
/* get display's PAR */
if (dfbvideosink->par) {
display_par_n = gst_value_get_fraction_numerator (dfbvideosink->par);
display_par_d = gst_value_get_fraction_denominator (dfbvideosink->par);
} else {
display_par_n = 1;
display_par_d = 1;
}
gst_value_set_fraction (&display_ratio,
video_width * video_par_n * display_par_d,
video_height * video_par_d * display_par_n);
num = gst_value_get_fraction_numerator (&display_ratio);
den = gst_value_get_fraction_denominator (&display_ratio);
GST_DEBUG_OBJECT (dfbvideosink,
"video width/height: %dx%d, calculated display ratio: %d/%d",
video_width, video_height, num, den);
/* now find a width x height that respects this display ratio.
* prefer those that have one of w/h the same as the incoming video
* using wd / hd = num / den */
/* start with same height, because of interlaced video */
/* check hd / den is an integer scale factor, and scale wd with the PAR */
if (video_height % den == 0) {
GST_DEBUG_OBJECT (dfbvideosink, "keeping video height");
GST_VIDEO_SINK_WIDTH (dfbvideosink) = video_height * num / den;
GST_VIDEO_SINK_HEIGHT (dfbvideosink) = video_height;
} else if (video_width % num == 0) {
GST_DEBUG_OBJECT (dfbvideosink, "keeping video width");
GST_VIDEO_SINK_WIDTH (dfbvideosink) = video_width;
GST_VIDEO_SINK_HEIGHT (dfbvideosink) = video_width * den / num;
} else {
GST_DEBUG_OBJECT (dfbvideosink, "approximating while keeping height");
GST_VIDEO_SINK_WIDTH (dfbvideosink) = video_height * num / den;
GST_VIDEO_SINK_HEIGHT (dfbvideosink) = video_height;
}
GST_DEBUG_OBJECT (dfbvideosink, "scaling to %dx%d",
GST_VIDEO_SINK_WIDTH (dfbvideosink),
GST_VIDEO_SINK_HEIGHT (dfbvideosink));
} else {
if (dfbvideosink->par) {
const GValue *par;
par = gst_structure_get_value (structure, "pixel-aspect-ratio");
if (par) {
if (gst_value_compare (par, dfbvideosink->par) != GST_VALUE_EQUAL) {
goto wrong_aspect;
}
}
}
GST_VIDEO_SINK_WIDTH (dfbvideosink) = video_width;
GST_VIDEO_SINK_HEIGHT (dfbvideosink) = video_height;
}
/* Try to adapt the video mode to the video geometry */
if (dfbvideosink->dfb) {
DFBResult ret;
GstDfbVMode vmode;
DFBDisplayLayerConfig lc;
GST_DEBUG_OBJECT (dfbvideosink, "trying to adapt the video mode to video "
"geometry");
/* Set video mode and layer configuration appropriately */
if (gst_dfbvideosink_get_best_vmode (dfbvideosink,
GST_VIDEO_SINK_WIDTH (dfbvideosink),
GST_VIDEO_SINK_HEIGHT (dfbvideosink), &vmode)) {
gint width, height, bpp;
width = vmode.width;
height = vmode.height;
bpp = vmode.bpp;
GST_DEBUG_OBJECT (dfbvideosink, "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_OBJECT (dfbvideosink, "failed setting video mode %dx%d "
"at %d bpp", width, height, bpp);
}
}
lc.flags = DLCONF_PIXELFORMAT;
lc.pixelformat = pixel_format;
ret = dfbvideosink->layer->SetConfiguration (dfbvideosink->layer, &lc);
if (ret != DFB_OK) {
GST_WARNING_OBJECT (dfbvideosink, "failed setting layer pixelformat "
"to %s", gst_dfbvideosink_get_format_name (pixel_format));
} else {
dfbvideosink->layer->GetConfiguration (dfbvideosink->layer, &lc);
dfbvideosink->out_width = lc.width;
dfbvideosink->out_height = lc.height;
dfbvideosink->pixel_format = lc.pixelformat;
GST_DEBUG_OBJECT (dfbvideosink, "layer %d now configured to %dx%d %s",
dfbvideosink->layer_id, lc.width, lc.height,
gst_dfbvideosink_get_format_name (lc.pixelformat));
}
}
if (pixel_format != dfbvideosink->pixel_format) {
GST_WARNING_OBJECT (dfbvideosink, "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;
if (dfbvideosink->pool) {
if (gst_buffer_pool_is_active (dfbvideosink->pool))
gst_buffer_pool_set_active (dfbvideosink->pool, FALSE);
gst_object_unref (dfbvideosink->pool);
}
/* create a new buffer pool of DirectFB surface */
dfbvideosink->pool = gst_dfb_buffer_pool_new (dfbvideosink);
structure = gst_buffer_pool_get_config (dfbvideosink->pool);
gst_buffer_pool_config_set_params (structure, caps, 0, 0, 0);
if (!gst_buffer_pool_set_config (dfbvideosink->pool, structure)) {
GST_WARNING_OBJECT (dfbvideosink,
"failed to set buffer pool configuration");
goto beach;
}
if (!gst_buffer_pool_set_active (dfbvideosink->pool, TRUE)) {
GST_WARNING_OBJECT (dfbvideosink, "failed to activate buffer pool");
goto beach;
}
result = TRUE;
beach:
return result;
/* ERRORS */
wrong_aspect:
{
GST_INFO_OBJECT (dfbvideosink, "pixel aspect ratio does not match");
return FALSE;
}
}
static GstStateChangeReturn
gst_dfbvideosink_change_state (GstElement * element, GstStateChange transition)
{
GstDfbVideoSink *dfbvideosink;
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
dfbvideosink = GST_DFBVIDEOSINK (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
dfbvideosink->running = TRUE;
if (!dfbvideosink->setup) {
if (!gst_dfbvideosink_setup (dfbvideosink)) {
GST_DEBUG_OBJECT (dfbvideosink, "setup failed when changing state "
"from NULL to READY");
GST_ELEMENT_ERROR (dfbvideosink, RESOURCE, OPEN_WRITE,
(NULL), ("Failed initializing DirectFB system"));
return GST_STATE_CHANGE_FAILURE;
}
}
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;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
dfbvideosink->fps_d = 0;
dfbvideosink->fps_n = 0;
dfbvideosink->video_width = 0;
dfbvideosink->video_height = 0;
if (dfbvideosink->pool)
gst_buffer_pool_set_active (dfbvideosink->pool, FALSE);
break;
case GST_STATE_CHANGE_READY_TO_NULL:
dfbvideosink->running = FALSE;
if (dfbvideosink->setup) {
gst_dfbvideosink_cleanup (dfbvideosink);
}
break;
default:
break;
}
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->fps_n > 0) {
*end =
*start + (GST_SECOND * dfbvideosink->fps_d) / dfbvideosink->fps_n;
}
}
}
}
static GstFlowReturn
gst_dfbvideosink_show_frame (GstBaseSink * bsink, GstBuffer * buf)
{
GstDfbVideoSink *dfbvideosink = NULL;
DFBResult res;
GstVideoRectangle dst = { 0, };
GstVideoRectangle src = { 0, };
GstVideoRectangle result;
GstFlowReturn ret = GST_FLOW_OK;
gboolean mem_cpy = TRUE;
GstMetaDfbSurface *meta;
dfbvideosink = GST_DFBVIDEOSINK (bsink);
if (!dfbvideosink->setup) {
ret = GST_FLOW_EOS;
goto beach;
}
meta = GST_META_DFBSURFACE_GET (buf);
/* Is that a buffer we allocated ourselves ? */
if (meta != NULL) {
/* Does it have a surface ? */
if (meta->surface) {
mem_cpy = FALSE;
GST_DEBUG_OBJECT (dfbvideosink, "we have a buffer (%p) we allocated "
"ourselves and it has a surface, no memcpy then", buf);
} else {
/* No surface, that's a malloc */
GST_DEBUG_OBJECT (dfbvideosink, "we have a buffer (%p) we allocated "
"ourselves but it does not hold a surface", buf);
}
} else {
/* Not our baby */
GST_DEBUG_OBJECT (dfbvideosink, "we have a buffer (%p) we did not allocate",
buf);
}
if (mem_cpy) {
IDirectFBSurface *dest = NULL, *surface = NULL;
guint8 *data;
gint dest_pitch, line;
GstStructure *structure;
GstCaps *caps;
gint plane;
GstVideoInfo src_info;
GstVideoFrame src_frame;
const gchar *str;
GstVideoFormat format;
guint offset[GST_VIDEO_MAX_PLANES] = { 0 };
guint stride[GST_VIDEO_MAX_PLANES] = { 0 };
/* As we are not blitting no acceleration is possible. If the surface is
* too small we do clipping, if it's too big we center. Theoretically as
* we are using propose_allocation, there's a chance that we have been
* able to do reverse caps negotiation */
if (dfbvideosink->ext_surface) {
surface = dfbvideosink->ext_surface;
GST_DEBUG_OBJECT (dfbvideosink, "memcpy to an external surface "
"subsurface (vsync %d)", dfbvideosink->vsync);
} else {
surface = dfbvideosink->primary;
GST_DEBUG_OBJECT (dfbvideosink, "memcpy to a primary subsurface "
"(vsync %d)", dfbvideosink->vsync);
}
/* Get the video frame geometry from the buffer caps */
caps = gst_pad_get_current_caps (GST_BASE_SINK_PAD (bsink));
structure = gst_caps_get_structure (caps, 0);
if (structure) {
gst_structure_get_int (structure, "width", &src.w);
gst_structure_get_int (structure, "height", &src.h);
} else {
src.w = dfbvideosink->video_width;
src.h = dfbvideosink->video_height;
}
gst_caps_unref (caps);
surface->GetSize (surface, &dst.w, &dst.h);
/* Center / Clip */
gst_video_sink_center_rect (src, dst, &result, FALSE);
res =
surface->GetSubSurface (surface, (DFBRectangle *) (void *) &result,
&dest);
if (res != DFB_OK) {
GST_WARNING_OBJECT (dfbvideosink, "failed when getting a sub surface");
ret = GST_FLOW_EOS;
goto beach;
}
/* If we are not using Flip we wait for VSYNC before blit */
if (!dfbvideosink->backbuffer && dfbvideosink->vsync) {
dfbvideosink->layer->WaitForSync (dfbvideosink->layer);
}
res = dest->Lock (dest, DSLF_WRITE, (void *) &data, &dest_pitch);
if (res != DFB_OK) {
GST_WARNING_OBJECT (dfbvideosink, "failed locking the external "
"subsurface for writing");
ret = GST_FLOW_ERROR;
goto beach;
}
caps = gst_pad_get_current_caps (GST_BASE_SINK_PAD (bsink));
if (!gst_video_info_from_caps (&src_info, caps)) {
GST_WARNING_OBJECT (dfbvideosink, "failed getting video info");
gst_caps_unref (caps);
ret = GST_FLOW_ERROR;
goto beach;
}
str = gst_structure_get_string (structure, "format");
if (str == NULL) {
GST_WARNING ("failed grabbing fourcc from caps %" GST_PTR_FORMAT, caps);
gst_caps_unref (caps);
ret = GST_FLOW_ERROR;
goto beach;
}
format = gst_video_format_from_string (str);
gst_caps_unref (caps);
if (!gst_video_frame_map (&src_frame, &src_info, buf, GST_MAP_READ)) {
GST_WARNING_OBJECT (dfbvideosink, "failed mapping frame");
ret = GST_FLOW_ERROR;
goto beach;
}
switch (format) {
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
offset[1] = dest_pitch * ((dfbvideosink->out_height - result.y) +
result.y / 4);
offset[2] = offset[1] + dest_pitch * dfbvideosink->out_height / 4;
stride[0] = dest_pitch;
stride[1] = stride[2] = dest_pitch / 2;
break;
case GST_VIDEO_FORMAT_NV12:
offset[1] = dest_pitch * (dfbvideosink->out_height - result.y / 2);
stride[0] = stride[1] = dest_pitch;
break;
default:
stride[0] = dest_pitch;
break;
}
line = 0;
for (plane = 0; plane < src_info.finfo->n_planes; plane++) {
guint plane_h;
guint plane_line;
guint8 *w_buf;
guint size;
w_buf = data + offset[plane];
plane_h = GST_VIDEO_FRAME_COMP_HEIGHT (&src_frame, plane);
size = MIN (src_info.stride[plane], stride[plane]);
/* Write each line respecting subsurface pitch */
for (plane_line = 0; line < result.h || plane_line < plane_h;
line++, plane_line++) {
/* We do clipping */
memcpy (w_buf, (gchar *) src_frame.data[plane] +
(plane_line * src_info.stride[plane]), size);
w_buf += stride[plane];
}
}
gst_video_frame_unmap (&src_frame);
dest->Unlock (dest);
dest->Release (dest);
if (dfbvideosink->backbuffer) {
if (dfbvideosink->vsync) {
surface->Flip (surface, NULL, DSFLIP_ONSYNC);
} else {
surface->Flip (surface, NULL, DSFLIP_NONE);
}
}
} else {
/* Else we will [Stretch]Blit to our primary */
GST_DEBUG_OBJECT (dfbvideosink, "blitting to a primary surface (vsync %d)",
dfbvideosink->vsync);
src.w = GST_VIDEO_SINK_WIDTH (dfbvideosink);
src.h = GST_VIDEO_SINK_HEIGHT (dfbvideosink);
dfbvideosink->primary->GetSize (dfbvideosink->primary, &dst.w, &dst.h);
/* Unlocking surface before blit */
if (meta->locked) {
meta->surface->Unlock (meta->surface);
meta->locked = FALSE;
}
gst_video_sink_center_rect (src, dst, &result, dfbvideosink->hw_scaling);
/* If we are not using Flip we wait for VSYNC before blit */
if (!dfbvideosink->backbuffer && dfbvideosink->vsync) {
dfbvideosink->layer->WaitForSync (dfbvideosink->layer);
}
if (dfbvideosink->hw_scaling) {
dfbvideosink->primary->StretchBlit (dfbvideosink->primary,
meta->surface, NULL, (DFBRectangle *) (void *) &result);
} else {
DFBRectangle clip;
clip.x = clip.y = 0;
clip.w = result.w;
clip.h = result.h;
dfbvideosink->primary->Blit (dfbvideosink->primary, meta->surface,
&clip, result.x, result.y);
}
if (dfbvideosink->backbuffer) {
if (dfbvideosink->vsync) {
dfbvideosink->primary->Flip (dfbvideosink->primary, NULL,
DSFLIP_ONSYNC);
} else {
dfbvideosink->primary->Flip (dfbvideosink->primary, NULL, DSFLIP_NONE);
}
}
}
beach:
return ret;
}
static void
gst_dfbvideosink_navigation_send_event (GstNavigation * navigation,
GstEvent * event)
{
GstDfbVideoSink *dfbvideosink = GST_DFBVIDEOSINK (navigation);
GstVideoRectangle dst = { 0, };
GstVideoRectangle src = { 0, };
GstVideoRectangle result;
double x, y, old_x, old_y;
GstPad *pad = NULL;
src.w = GST_VIDEO_SINK_WIDTH (dfbvideosink);
src.h = GST_VIDEO_SINK_HEIGHT (dfbvideosink);
dst.w = dfbvideosink->out_width;
dst.h = dfbvideosink->out_height;
gst_video_sink_center_rect (src, dst, &result, dfbvideosink->hw_scaling);
event = gst_event_make_writable (event);
/* Our coordinates can be wrong here if we centered the video */
/* Converting pointer coordinates to the non scaled geometry */
if gst_navigation_event_get_coordinates
(event, &old_x, &old_y) {
x = old_x;
y = old_y;
if (x >= result.x && x <= (result.x + result.w)) {
x -= result.x;
x *= dfbvideosink->video_width;
x /= result.w;
} else {
x = 0;
}
if (y >= result.y && y <= (result.y + result.h)) {
y -= result.y;
y *= dfbvideosink->video_height;
y /= result.h;
} else {
y = 0;
}
GST_DEBUG_OBJECT (dfbvideosink, "translated navigation event x "
"coordinate from %f to %f", old_x, x);
GST_DEBUG_OBJECT (dfbvideosink, "translated navigation event y "
"coordinate from %fd to %fd", old_y, y);
gst_navigation_event_set_coordinates (event, x, y);
}
pad = gst_pad_get_peer (GST_VIDEO_SINK_PAD (dfbvideosink));
if (GST_IS_PAD (pad)) {
if (!gst_pad_send_event (pad, gst_event_ref (event))) {
/* If upstream didn't handle the event we'll post a message with it
* for the application in case it wants to do something with it */
gst_element_post_message (GST_ELEMENT_CAST (dfbvideosink),
gst_navigation_message_new_event (GST_OBJECT_CAST (dfbvideosink),
event));
}
gst_event_unref (event);
gst_object_unref (pad);
}
}
static void
gst_dfbvideosink_navigation_init (GstNavigationInterface * iface)
{
iface->send_event_simple = gst_dfbvideosink_navigation_send_event;
}
static void
gst_dfbvideosink_update_colorbalance (GstDfbVideoSink * dfbvideosink)
{
g_return_if_fail (GST_IS_DFBVIDEOSINK (dfbvideosink));
if (dfbvideosink->layer) {
DFBColorAdjustment cb_adjust;
cb_adjust.flags = DCAF_NONE;
if (dfbvideosink->brightness >= 0) {
cb_adjust.flags |= DCAF_BRIGHTNESS;
}
if (dfbvideosink->contrast >= 0) {
cb_adjust.flags |= DCAF_CONTRAST;
}
if (dfbvideosink->hue >= 0) {
cb_adjust.flags |= DCAF_HUE;
}
if (dfbvideosink->saturation >= 0) {
cb_adjust.flags |= DCAF_SATURATION;
}
cb_adjust.brightness = dfbvideosink->brightness;
cb_adjust.contrast = dfbvideosink->contrast;
cb_adjust.hue = dfbvideosink->hue;
cb_adjust.saturation = dfbvideosink->saturation;
GST_DEBUG_OBJECT (dfbvideosink, "updating colorbalance: flags %d "
"brightness %d contrast %d hue %d saturation %d", cb_adjust.flags,
cb_adjust.brightness, cb_adjust.contrast, cb_adjust.hue,
cb_adjust.saturation);
dfbvideosink->layer->SetColorAdjustment (dfbvideosink->layer, &cb_adjust);
}
}
static const GList *
gst_dfbvideosink_colorbalance_list_channels (GstColorBalance * balance)
{
GstDfbVideoSink *dfbvideosink = GST_DFBVIDEOSINK (balance);
g_return_val_if_fail (GST_IS_DFBVIDEOSINK (dfbvideosink), NULL);
return dfbvideosink->cb_channels;
}
static void
gst_dfbvideosink_colorbalance_set_value (GstColorBalance * balance,
GstColorBalanceChannel * channel, gint value)
{
GstDfbVideoSink *dfbvideosink = GST_DFBVIDEOSINK (balance);
g_return_if_fail (GST_IS_DFBVIDEOSINK (dfbvideosink));
g_return_if_fail (channel->label != NULL);
dfbvideosink->cb_changed = TRUE;
if (g_ascii_strcasecmp (channel->label, "HUE") == 0) {
dfbvideosink->hue = value;
} else if (g_ascii_strcasecmp (channel->label, "SATURATION") == 0) {
dfbvideosink->saturation = value;
} else if (g_ascii_strcasecmp (channel->label, "CONTRAST") == 0) {
dfbvideosink->contrast = value;
} else if (g_ascii_strcasecmp (channel->label, "BRIGHTNESS") == 0) {
dfbvideosink->brightness = value;
} else {
GST_WARNING_OBJECT (dfbvideosink, "got an unknown channel %s",
channel->label);
return;
}
gst_dfbvideosink_update_colorbalance (dfbvideosink);
}
static gint
gst_dfbvideosink_colorbalance_get_value (GstColorBalance * balance,
GstColorBalanceChannel * channel)
{
GstDfbVideoSink *dfbvideosink = GST_DFBVIDEOSINK (balance);
gint value = 0;
g_return_val_if_fail (GST_IS_DFBVIDEOSINK (dfbvideosink), 0);
g_return_val_if_fail (channel->label != NULL, 0);
if (g_ascii_strcasecmp (channel->label, "HUE") == 0) {
value = dfbvideosink->hue;
} else if (g_ascii_strcasecmp (channel->label, "SATURATION") == 0) {
value = dfbvideosink->saturation;
} else if (g_ascii_strcasecmp (channel->label, "CONTRAST") == 0) {
value = dfbvideosink->contrast;
} else if (g_ascii_strcasecmp (channel->label, "BRIGHTNESS") == 0) {
value = dfbvideosink->brightness;
} else {
GST_WARNING_OBJECT (dfbvideosink, "got an unknown channel %s",
channel->label);
}
return value;
}
static GstColorBalanceType
gst_dfbvideosink_colorbalance_get_balance_type (GstColorBalance * balance)
{
return GST_COLOR_BALANCE_HARDWARE;
}
static void
gst_dfbvideosink_colorbalance_init (GstColorBalanceInterface * iface)
{
iface->list_channels = gst_dfbvideosink_colorbalance_list_channels;
iface->set_value = gst_dfbvideosink_colorbalance_set_value;
iface->get_value = gst_dfbvideosink_colorbalance_get_value;
iface->get_balance_type = gst_dfbvideosink_colorbalance_get_balance_type;
}
/* 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;
case ARG_HUE:
dfbvideosink->hue = g_value_get_int (value);
dfbvideosink->cb_changed = TRUE;
gst_dfbvideosink_update_colorbalance (dfbvideosink);
break;
case ARG_CONTRAST:
dfbvideosink->contrast = g_value_get_int (value);
dfbvideosink->cb_changed = TRUE;
gst_dfbvideosink_update_colorbalance (dfbvideosink);
break;
case ARG_BRIGHTNESS:
dfbvideosink->brightness = g_value_get_int (value);
dfbvideosink->cb_changed = TRUE;
gst_dfbvideosink_update_colorbalance (dfbvideosink);
break;
case ARG_SATURATION:
dfbvideosink->saturation = g_value_get_int (value);
dfbvideosink->cb_changed = TRUE;
gst_dfbvideosink_update_colorbalance (dfbvideosink);
break;
case ARG_PIXEL_ASPECT_RATIO:
g_free (dfbvideosink->par);
dfbvideosink->par = g_new0 (GValue, 1);
g_value_init (dfbvideosink->par, GST_TYPE_FRACTION);
if (!g_value_transform (value, dfbvideosink->par)) {
GST_WARNING_OBJECT (dfbvideosink, "Could not transform string to "
"aspect ratio");
gst_value_set_fraction (dfbvideosink->par, 1, 1);
}
GST_DEBUG_OBJECT (dfbvideosink, "set PAR to %d/%d",
gst_value_get_fraction_numerator (dfbvideosink->par),
gst_value_get_fraction_denominator (dfbvideosink->par));
break;
case ARG_VSYNC:
dfbvideosink->vsync = g_value_get_boolean (value);
break;
case ARG_LAYER_MODE:
dfbvideosink->layer_mode = g_value_get_enum (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) {
case ARG_HUE:
g_value_set_int (value, dfbvideosink->hue);
break;
case ARG_CONTRAST:
g_value_set_int (value, dfbvideosink->contrast);
break;
case ARG_BRIGHTNESS:
g_value_set_int (value, dfbvideosink->brightness);
break;
case ARG_SATURATION:
g_value_set_int (value, dfbvideosink->saturation);
break;
case ARG_PIXEL_ASPECT_RATIO:
if (dfbvideosink->par)
g_value_transform (dfbvideosink->par, value);
break;
case ARG_VSYNC:
g_value_set_boolean (value, dfbvideosink->vsync);
break;
case ARG_LAYER_MODE:
g_value_set_enum (value, dfbvideosink->layer_mode);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_dfbvideosink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
{
GstDfbVideoSink *dfbvideosink;
GstBufferPool *pool;
GstCaps *caps;
gboolean need_pool;
guint size = 0;
dfbvideosink = GST_DFBVIDEOSINK (bsink);
gst_query_parse_allocation (query, &caps, &need_pool);
if (!caps) {
GST_WARNING_OBJECT (dfbvideosink, "Missing caps in allocation query.");
return FALSE;
}
/* FIXME re-using buffer pool breaks renegotiation */
if ((pool = dfbvideosink->pool))
gst_object_ref (pool);
if (pool != NULL) {
GstCaps *pcaps;
GstStructure *config;
/* we had a pool, check caps */
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_get_params (config, &pcaps, &size, NULL, NULL);
GST_DEBUG_OBJECT (dfbvideosink,
"buffer pool configuration caps %" GST_PTR_FORMAT, pcaps);
if (!gst_caps_is_equal (caps, pcaps)) {
gst_structure_free (config);
gst_object_unref (pool);
GST_WARNING_OBJECT (dfbvideosink, "pool has different caps");
return FALSE;
}
gst_structure_free (config);
} else {
GstVideoInfo info;
if (!gst_video_info_from_caps (&info, caps)) {
GST_WARNING_OBJECT (dfbvideosink,
"Invalid video caps in allocation query");
return FALSE;
}
size = info.size;
}
gst_query_add_allocation_pool (query, pool, size, 1, 0);
/* we also support various metadata */
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
if (pool)
gst_object_unref (pool);
return TRUE;
}
/* =========================================== */
/* */
/* Init & Class init */
/* */
/* =========================================== */
static void
gst_dfbvideosink_finalize (GObject * object)
{
GstDfbVideoSink *dfbvideosink;
dfbvideosink = GST_DFBVIDEOSINK (object);
if (dfbvideosink->par) {
g_free (dfbvideosink->par);
dfbvideosink->par = NULL;
}
if (dfbvideosink->setup) {
gst_dfbvideosink_cleanup (dfbvideosink);
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_dfbvideosink_init (GstDfbVideoSink * dfbvideosink)
{
dfbvideosink->pool = NULL;
dfbvideosink->video_height = dfbvideosink->out_height = 0;
dfbvideosink->video_width = dfbvideosink->out_width = 0;
dfbvideosink->fps_d = 0;
dfbvideosink->fps_n = 0;
dfbvideosink->dfb = NULL;
dfbvideosink->vmodes = NULL;
dfbvideosink->layer_id = -1;
dfbvideosink->layer = NULL;
dfbvideosink->primary = NULL;
dfbvideosink->event_buffer = NULL;
dfbvideosink->event_thread = NULL;
dfbvideosink->ext_surface = NULL;
dfbvideosink->pixel_format = DSPF_UNKNOWN;
dfbvideosink->hw_scaling = FALSE;
dfbvideosink->backbuffer = FALSE;
dfbvideosink->vsync = TRUE;
dfbvideosink->setup = FALSE;
dfbvideosink->running = FALSE;
dfbvideosink->cb_channels = NULL;
dfbvideosink->brightness = -1;
dfbvideosink->contrast = -1;
dfbvideosink->hue = -1;
dfbvideosink->saturation = -1;
dfbvideosink->par = NULL;
dfbvideosink->layer_mode = DEFAULT_LAYER_MODE;
}
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_peek_parent (klass);
gobject_class->finalize = gst_dfbvideosink_finalize;
gobject_class->set_property = gst_dfbvideosink_set_property;
gobject_class->get_property = gst_dfbvideosink_get_property;
g_object_class_install_property (gobject_class, ARG_SURFACE,
g_param_spec_pointer ("surface", "Surface",
"The target surface for video",
G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, ARG_CONTRAST,
g_param_spec_int ("contrast", "Contrast", "The contrast of the video",
0x0000, 0xFFFF, 0x8000, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, ARG_BRIGHTNESS,
g_param_spec_int ("brightness", "Brightness",
"The brightness of the video", 0x0000, 0xFFFF, 0x8000,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, ARG_HUE,
g_param_spec_int ("hue", "Hue", "The hue of the video", 0x0000, 0xFFFF,
0x8000, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, ARG_SATURATION,
g_param_spec_int ("saturation", "Saturation",
"The saturation of the video", 0x0000, 0xFFFF, 0x8000,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, ARG_PIXEL_ASPECT_RATIO,
g_param_spec_string ("pixel-aspect-ratio", "Pixel Aspect Ratio",
"The pixel aspect ratio of the device", "1/1",
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, ARG_VSYNC,
g_param_spec_boolean ("vsync", "Vertical synchronisation",
"Wait for next vertical sync to draw frames", TRUE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, ARG_LAYER_MODE,
g_param_spec_enum ("layer-mode",
"The layer cooperative level (administrative or exclusive)",
"The cooperative level handling the access permission (set this to "
"'administrative' when the cursor is required)",
gst_dfbvideosink_layer_mode_get_type (), DEFAULT_LAYER_MODE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_type_mark_as_plugin_api (gst_dfbvideosink_layer_mode_get_type (), 0);
gst_element_class_set_static_metadata (gstelement_class,
"DirectFB video sink", "Sink/Video", "A DirectFB based videosink",
"Julien Moutte <julien@moutte.net>");
gst_element_class_add_static_pad_template (gstelement_class,
&gst_dfbvideosink_sink_template_factory);
gstelement_class->change_state = gst_dfbvideosink_change_state;
gstbasesink_class->get_caps = gst_dfbvideosink_getcaps;
gstbasesink_class->set_caps = gst_dfbvideosink_setcaps;
gstbasesink_class->get_times = gst_dfbvideosink_get_times;
gstbasesink_class->preroll = gst_dfbvideosink_show_frame;
gstbasesink_class->render = gst_dfbvideosink_show_frame;
gstbasesink_class->propose_allocation = gst_dfbvideosink_propose_allocation;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
return GST_ELEMENT_REGISTER (dfbvideosink, plugin);
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
directfb,
"DirectFB video output plugin",
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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