gstreamer/gst/vaapi/gstvaapisink.c

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/*
* gstvaapisink.c - VA-API video sink
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Copyright (C) 2011-2012 Intel Corporation
*
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* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
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* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
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* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
/**
* SECTION:gstvaapisink
* @short_description: A VA-API based videosink
*
* vaapisink renders video frames to a drawable (X #Window) on a local
* display using the Video Acceleration (VA) API. The element will
* create its own internal window and render into it.
*/
#include "config.h"
#include <gst/gst.h>
#include <gst/gstutils_version.h>
#include <gst/video/video.h>
#include <gst/video/videocontext.h>
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#include <gst/vaapi/gstvaapivideobuffer.h>
#include <gst/vaapi/gstvaapivideosink.h>
#include <gst/vaapi/gstvaapidisplay_x11.h>
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#include <gst/vaapi/gstvaapiwindow_x11.h>
#if USE_VAAPISINK_GLX
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#include <gst/vaapi/gstvaapidisplay_glx.h>
#include <gst/vaapi/gstvaapiwindow_glx.h>
#endif
/* Supported interfaces */
#include <gst/interfaces/xoverlay.h>
#include "gstvaapisink.h"
#include "gstvaapipluginutil.h"
#define HAVE_GST_XOVERLAY_SET_WINDOW_HANDLE \
GST_PLUGINS_BASE_CHECK_VERSION(0,10,31)
#define HAVE_GST_XOVERLAY_SET_RENDER_RECTANGLE \
GST_PLUGINS_BASE_CHECK_VERSION(0,10,29)
#define GST_PLUGIN_NAME "vaapisink"
#define GST_PLUGIN_DESC "A VA-API based videosink"
GST_DEBUG_CATEGORY_STATIC(gst_debug_vaapisink);
#define GST_CAT_DEFAULT gst_debug_vaapisink
/* ElementFactory information */
static const GstElementDetails gst_vaapisink_details =
GST_ELEMENT_DETAILS(
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"VA-API sink",
"Sink/Video",
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GST_PLUGIN_DESC,
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"Gwenole Beauchesne <gwenole.beauchesne@intel.com>");
/* Default template */
static GstStaticPadTemplate gst_vaapisink_sink_factory =
GST_STATIC_PAD_TEMPLATE(
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
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GST_STATIC_CAPS(GST_VAAPI_SURFACE_CAPS));
static void
gst_vaapisink_implements_iface_init(GstImplementsInterfaceClass *iface);
static void
gst_vaapisink_video_context_iface_init(GstVideoContextInterface *iface);
static void
gst_vaapisink_xoverlay_iface_init(GstXOverlayClass *iface);
G_DEFINE_TYPE_WITH_CODE(
GstVaapiSink,
gst_vaapisink,
GST_TYPE_VIDEO_SINK,
G_IMPLEMENT_INTERFACE(GST_TYPE_IMPLEMENTS_INTERFACE,
gst_vaapisink_implements_iface_init);
G_IMPLEMENT_INTERFACE(GST_TYPE_VIDEO_CONTEXT,
gst_vaapisink_video_context_iface_init);
G_IMPLEMENT_INTERFACE(GST_TYPE_X_OVERLAY,
gst_vaapisink_xoverlay_iface_init));
enum {
PROP_0,
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PROP_USE_GLX,
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PROP_FULLSCREEN,
PROP_SYNCHRONOUS,
PROP_USE_REFLECTION
};
/* GstImplementsInterface interface */
static gboolean
gst_vaapisink_implements_interface_supported(
GstImplementsInterface *iface,
GType type
)
{
return (type == GST_TYPE_VIDEO_CONTEXT ||
type == GST_TYPE_X_OVERLAY);
}
static void
gst_vaapisink_implements_iface_init(GstImplementsInterfaceClass *iface)
{
iface->supported = gst_vaapisink_implements_interface_supported;
}
/* GstVaapiVideoSink interface */
static void
gst_vaapisink_set_video_context(GstVideoContext *context, const gchar *type,
const GValue *value)
{
GstVaapiSink *sink = GST_VAAPISINK (context);
gst_vaapi_set_display (type, value, &sink->display);
}
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static void
gst_vaapisink_video_context_iface_init(GstVideoContextInterface *iface)
{
iface->set_context = gst_vaapisink_set_video_context;
}
/* GstXOverlay interface */
static gboolean
gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, guintptr window_id);
static GstFlowReturn
gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *buffer);
static inline void
_gst_vaapisink_xoverlay_set_xid(GstXOverlay *overlay, guintptr window_id)
{
GstVaapiSink * const sink = GST_VAAPISINK(overlay);
/* Disable GLX rendering when vaapisink is using a foreign X
window. It's pretty much useless */
sink->use_glx = FALSE;
sink->foreign_window = TRUE;
gst_vaapisink_ensure_window_xid(sink, window_id);
}
#if HAVE_GST_XOVERLAY_SET_WINDOW_HANDLE
static void
gst_vaapisink_xoverlay_set_window_handle(GstXOverlay *overlay, guintptr window_id)
{
_gst_vaapisink_xoverlay_set_xid(overlay, window_id);
}
#else
static void
gst_vaapisink_xoverlay_set_xid(GstXOverlay *overlay, XID xid)
{
_gst_vaapisink_xoverlay_set_xid(overlay, xid);
}
#endif
#if HAVE_GST_XOVERLAY_SET_RENDER_RECTANGLE
static void
gst_vaapisink_xoverlay_set_render_rectangle(
GstXOverlay *overlay,
gint x,
gint y,
gint width,
gint height
)
{
GstVaapiSink * const sink = GST_VAAPISINK(overlay);
GstVaapiRectangle * const display_rect = &sink->display_rect;
display_rect->x = x;
display_rect->y = y;
display_rect->width = width;
display_rect->height = height;
GST_DEBUG("render rect (%d,%d):%ux%u",
display_rect->x, display_rect->y,
display_rect->width, display_rect->height);
}
#endif
static void
gst_vaapisink_xoverlay_expose(GstXOverlay *overlay)
{
GstBaseSink * const base_sink = GST_BASE_SINK(overlay);
GstBuffer *buffer;
buffer = gst_base_sink_get_last_buffer(base_sink);
if (buffer) {
gst_vaapisink_show_frame(base_sink, buffer);
gst_buffer_unref(buffer);
}
}
static void
gst_vaapisink_xoverlay_iface_init(GstXOverlayClass *iface)
{
#if HAVE_GST_XOVERLAY_SET_WINDOW_HANDLE
iface->set_window_handle = gst_vaapisink_xoverlay_set_window_handle;
#else
iface->set_xwindow_id = gst_vaapisink_xoverlay_set_xid;
#endif
#if HAVE_GST_XOVERLAY_SET_RENDER_RECTANGLE
iface->set_render_rectangle = gst_vaapisink_xoverlay_set_render_rectangle;
#endif
iface->expose = gst_vaapisink_xoverlay_expose;
}
static void
gst_vaapisink_destroy(GstVaapiSink *sink)
{
g_clear_object(&sink->texture);
g_clear_object(&sink->display);
gst_caps_replace(&sink->caps, NULL);
}
/* Checks whether a ConfigureNotify event is in the queue */
typedef struct _ConfigureNotifyEventPendingArgs ConfigureNotifyEventPendingArgs;
struct _ConfigureNotifyEventPendingArgs {
Window window;
guint width;
guint height;
gboolean match;
};
static Bool
configure_notify_event_pending_cb(Display *dpy, XEvent *xev, XPointer arg)
{
ConfigureNotifyEventPendingArgs * const args =
(ConfigureNotifyEventPendingArgs *)arg;
if (xev->type == ConfigureNotify &&
xev->xconfigure.window == args->window &&
xev->xconfigure.width == args->width &&
xev->xconfigure.height == args->height)
args->match = TRUE;
/* XXX: this is a hack to traverse the whole queue because we
can't use XPeekIfEvent() since it could block */
return False;
}
static gboolean
configure_notify_event_pending(
GstVaapiSink *sink,
Window window,
guint width,
guint height
)
{
ConfigureNotifyEventPendingArgs args;
XEvent xev;
args.window = window;
args.width = width;
args.height = height;
args.match = FALSE;
/* XXX: don't use XPeekIfEvent() because it might block */
XCheckIfEvent(
gst_vaapi_display_x11_get_display(GST_VAAPI_DISPLAY_X11(sink->display)),
&xev,
configure_notify_event_pending_cb, (XPointer)&args
);
return args.match;
}
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static gboolean
gst_vaapisink_ensure_render_rect(GstVaapiSink *sink, guint width, guint height)
{
GstVaapiRectangle * const display_rect = &sink->display_rect;
guint num, den, display_par_n, display_par_d;
gboolean success;
/* Return success if caps are not set yet */
if (!sink->caps)
return TRUE;
GST_DEBUG("ensure render rect within %ux%u bounds", width, height);
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gst_vaapi_display_get_pixel_aspect_ratio(
sink->display,
&display_par_n, &display_par_d
);
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GST_DEBUG("display pixel-aspect-ratio %d/%d",
display_par_n, display_par_d);
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success = gst_video_calculate_display_ratio(
&num, &den,
sink->video_width, sink->video_height,
sink->video_par_n, sink->video_par_d,
display_par_n, display_par_d
);
if (!success)
return FALSE;
GST_DEBUG("video size %dx%d, calculated ratio %d/%d",
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sink->video_width, sink->video_height, num, den);
display_rect->width = gst_util_uint64_scale_int(height, num, den);
if (display_rect->width <= width) {
GST_DEBUG("keeping window height");
display_rect->height = height;
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}
else {
GST_DEBUG("keeping window width");
display_rect->width = width;
display_rect->height =
gst_util_uint64_scale_int(width, den, num);
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}
GST_DEBUG("scaling video to %ux%u", display_rect->width, display_rect->height);
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g_assert(display_rect->width <= width);
g_assert(display_rect->height <= height);
display_rect->x = (width - display_rect->width) / 2;
display_rect->y = (height - display_rect->height) / 2;
GST_DEBUG("render rect (%d,%d):%ux%u",
display_rect->x, display_rect->y,
display_rect->width, display_rect->height);
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return TRUE;
}
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static inline gboolean
gst_vaapisink_ensure_window(GstVaapiSink *sink, guint width, guint height)
{
GstVaapiDisplay * const display = sink->display;
if (!sink->window) {
#if USE_VAAPISINK_GLX
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if (sink->use_glx)
sink->window = gst_vaapi_window_glx_new(display, width, height);
else
#endif
sink->window = gst_vaapi_window_x11_new(display, width, height);
if (sink->window)
gst_x_overlay_got_window_handle(
GST_X_OVERLAY(sink),
gst_vaapi_window_x11_get_xid(GST_VAAPI_WINDOW_X11(sink->window))
);
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}
return sink->window != NULL;
}
static gboolean
gst_vaapisink_ensure_window_xid(GstVaapiSink *sink, guintptr window_id)
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{
Window rootwin;
unsigned int width, height, border_width, depth;
int x, y;
XID xid = window_id;
if (!gst_vaapi_ensure_display(sink, &sink->display))
return FALSE;
gst_vaapi_display_lock(sink->display);
XGetGeometry(
gst_vaapi_display_x11_get_display(GST_VAAPI_DISPLAY_X11(sink->display)),
xid,
&rootwin,
&x, &y, &width, &height, &border_width, &depth
);
gst_vaapi_display_unlock(sink->display);
if ((width != sink->window_width || height != sink->window_height) &&
!configure_notify_event_pending(sink, xid, width, height)) {
if (!gst_vaapisink_ensure_render_rect(sink, width, height))
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return FALSE;
sink->window_width = width;
sink->window_height = height;
}
if (sink->window &&
gst_vaapi_window_x11_get_xid(GST_VAAPI_WINDOW_X11(sink->window)) == xid)
return TRUE;
g_clear_object(&sink->window);
#if USE_VAAPISINK_GLX
if (sink->use_glx)
sink->window = gst_vaapi_window_glx_new_with_xid(sink->display, xid);
else
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#endif
sink->window = gst_vaapi_window_x11_new_with_xid(sink->display, xid);
return sink->window != NULL;
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}
static gboolean
gst_vaapisink_start(GstBaseSink *base_sink)
{
GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
return gst_vaapi_ensure_display(sink, &sink->display);
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}
static gboolean
gst_vaapisink_stop(GstBaseSink *base_sink)
{
GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
g_clear_object(&sink->window);
g_clear_object(&sink->display);
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return TRUE;
}
static gboolean
gst_vaapisink_set_caps(GstBaseSink *base_sink, GstCaps *caps)
{
GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
GstStructure * const structure = gst_caps_get_structure(caps, 0);
guint win_width, win_height, display_width, display_height;
gint video_width, video_height, video_par_n = 1, video_par_d = 1;
if (!structure)
return FALSE;
if (!gst_structure_get_int(structure, "width", &video_width))
return FALSE;
if (!gst_structure_get_int(structure, "height", &video_height))
return FALSE;
sink->video_width = video_width;
sink->video_height = video_height;
gst_video_parse_caps_pixel_aspect_ratio(caps, &video_par_n, &video_par_d);
sink->video_par_n = video_par_n;
sink->video_par_d = video_par_d;
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GST_DEBUG("video pixel-aspect-ratio %d/%d", video_par_n, video_par_d);
gst_caps_replace(&sink->caps, caps);
if (!gst_vaapi_ensure_display(sink, &sink->display))
return FALSE;
gst_vaapi_display_get_size(sink->display, &display_width, &display_height);
if (sink->foreign_window) {
win_width = sink->window_width;
win_height = sink->window_height;
}
else if (sink->fullscreen ||
video_width > display_width || video_height > display_height) {
win_width = display_width;
win_height = display_height;
}
else {
win_width = video_width;
win_height = video_height;
}
if (sink->window) {
if (!sink->foreign_window || sink->fullscreen)
gst_vaapi_window_set_size(sink->window, win_width, win_height);
}
else {
gst_vaapi_display_lock(sink->display);
gst_x_overlay_prepare_xwindow_id(GST_X_OVERLAY(sink));
gst_vaapi_display_unlock(sink->display);
if (sink->window)
return TRUE;
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if (!gst_vaapisink_ensure_window(sink, win_width, win_height))
return FALSE;
gst_vaapi_window_set_fullscreen(sink->window, sink->fullscreen);
gst_vaapi_window_show(sink->window);
gst_vaapi_window_get_size(sink->window, &win_width, &win_height);
}
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sink->window_width = win_width;
sink->window_height = win_height;
GST_DEBUG("window size %ux%u", win_width, win_height);
return gst_vaapisink_ensure_render_rect(sink, win_width, win_height);
}
#if USE_VAAPISINK_GLX
static void
render_background(GstVaapiSink *sink)
{
/* Original code from Mirco Muller (MacSlow):
<http://cgit.freedesktop.org/~macslow/gl-gst-player/> */
GLfloat fStartX = 0.0f;
GLfloat fStartY = 0.0f;
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GLfloat fWidth = (GLfloat)sink->window_width;
GLfloat fHeight = (GLfloat)sink->window_height;
glClear(GL_COLOR_BUFFER_BIT);
glBegin(GL_QUADS);
{
/* top third, darker grey to white */
glColor3f(0.85f, 0.85f, 0.85f);
glVertex3f(fStartX, fStartY, 0.0f);
glColor3f(0.85f, 0.85f, 0.85f);
glVertex3f(fStartX + fWidth, fStartY, 0.0f);
glColor3f(1.0f, 1.0f, 1.0f);
glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
glColor3f(1.0f, 1.0f, 1.0f);
glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
/* middle third, just plain white */
glColor3f(1.0f, 1.0f, 1.0f);
glVertex3f(fStartX, fStartY + fHeight / 3.0f, 0.0f);
glVertex3f(fStartX + fWidth, fStartY + fHeight / 3.0f, 0.0f);
glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
/* bottom third, white to lighter grey */
glColor3f(1.0f, 1.0f, 1.0f);
glVertex3f(fStartX, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
glColor3f(1.0f, 1.0f, 1.0f);
glVertex3f(fStartX + fWidth, fStartY + 2.0f * fHeight / 3.0f, 0.0f);
glColor3f(0.62f, 0.66f, 0.69f);
glVertex3f(fStartX + fWidth, fStartY + fHeight, 0.0f);
glColor3f(0.62f, 0.66f, 0.69f);
glVertex3f(fStartX, fStartY + fHeight, 0.0f);
}
glEnd();
}
static void
render_frame(GstVaapiSink *sink)
{
const guint x1 = sink->display_rect.x;
const guint x2 = sink->display_rect.x + sink->display_rect.width;
const guint y1 = sink->display_rect.y;
const guint y2 = sink->display_rect.y + sink->display_rect.height;
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
{
glTexCoord2f(0.0f, 0.0f); glVertex2i(x1, y1);
glTexCoord2f(0.0f, 1.0f); glVertex2i(x1, y2);
glTexCoord2f(1.0f, 1.0f); glVertex2i(x2, y2);
glTexCoord2f(1.0f, 0.0f); glVertex2i(x2, y1);
}
glEnd();
}
static void
render_reflection(GstVaapiSink *sink)
{
const guint x1 = sink->display_rect.x;
const guint x2 = sink->display_rect.x + sink->display_rect.width;
const guint y1 = sink->display_rect.y;
const guint rh = sink->display_rect.height / 5;
GLfloat ry = 1.0f - (GLfloat)rh / (GLfloat)sink->display_rect.height;
glBegin(GL_QUADS);
{
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glTexCoord2f(0.0f, 1.0f); glVertex2i(x1, y1);
glTexCoord2f(1.0f, 1.0f); glVertex2i(x2, y1);
glColor4f(1.0f, 1.0f, 1.0f, 0.0f);
glTexCoord2f(1.0f, ry); glVertex2i(x2, y1 + rh);
glTexCoord2f(0.0f, ry); glVertex2i(x1, y1 + rh);
}
glEnd();
}
static gboolean
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gst_vaapisink_show_frame_glx(
GstVaapiSink *sink,
GstVaapiSurface *surface,
guint flags
)
{
GstVaapiWindowGLX * const window = GST_VAAPI_WINDOW_GLX(sink->window);
GLenum target;
GLuint texture;
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gst_vaapi_window_glx_make_current(window);
if (!sink->texture) {
sink->texture = gst_vaapi_texture_new(
sink->display,
GL_TEXTURE_2D,
GL_BGRA,
sink->video_width,
sink->video_height
);
if (!sink->texture)
goto error_create_texture;
}
if (!gst_vaapi_texture_put_surface(sink->texture, surface, flags))
goto error_transfer_surface;
target = gst_vaapi_texture_get_target(sink->texture);
texture = gst_vaapi_texture_get_id(sink->texture);
if (target != GL_TEXTURE_2D || !texture)
return FALSE;
if (sink->use_reflection)
render_background(sink);
glEnable(target);
glBindTexture(target, texture);
{
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if (sink->use_reflection) {
glPushMatrix();
glRotatef(20.0f, 0.0f, 1.0f, 0.0f);
glTranslatef(50.0f, 0.0f, 0.0f);
}
render_frame(sink);
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if (sink->use_reflection) {
glPushMatrix();
glTranslatef(0.0, (GLfloat)sink->display_rect.height + 5.0f, 0.0f);
render_reflection(sink);
glPopMatrix();
glPopMatrix();
}
}
glBindTexture(target, 0);
glDisable(target);
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gst_vaapi_window_glx_swap_buffers(window);
return TRUE;
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/* ERRORS */
error_create_texture:
{
GST_DEBUG("could not create VA/GLX texture");
return FALSE;
}
error_transfer_surface:
{
GST_DEBUG("could not transfer VA surface to texture");
return FALSE;
}
}
#endif
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static inline gboolean
gst_vaapisink_show_frame_x11(
GstVaapiSink *sink,
GstVaapiSurface *surface,
guint flags
)
{
if (!gst_vaapi_window_put_surface(sink->window, surface,
NULL, &sink->display_rect, flags)) {
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GST_DEBUG("could not render VA surface");
return FALSE;
}
return TRUE;
}
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static GstFlowReturn
gst_vaapisink_show_frame(GstBaseSink *base_sink, GstBuffer *buffer)
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{
GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
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GstVaapiVideoBuffer * const vbuffer = GST_VAAPI_VIDEO_BUFFER(buffer);
GstVaapiSurface *surface;
guint flags;
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gboolean success;
GstVideoOverlayComposition * const composition =
gst_video_buffer_get_overlay_composition(buffer);
if (sink->display != gst_vaapi_video_buffer_get_display (vbuffer)) {
g_clear_object(&sink->display);
sink->display = g_object_ref (gst_vaapi_video_buffer_get_display (vbuffer));
}
if (!sink->window)
return GST_FLOW_UNEXPECTED;
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surface = gst_vaapi_video_buffer_get_surface(vbuffer);
if (!surface)
return GST_FLOW_UNEXPECTED;
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GST_DEBUG("render surface %" GST_VAAPI_ID_FORMAT,
GST_VAAPI_ID_ARGS(gst_vaapi_surface_get_id(surface)));
flags = gst_vaapi_video_buffer_get_render_flags(vbuffer);
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if (!gst_vaapi_surface_set_subpictures_from_composition(surface,
composition, TRUE))
GST_WARNING("could not update subtitles");
#if USE_VAAPISINK_GLX
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if (sink->use_glx)
success = gst_vaapisink_show_frame_glx(sink, surface, flags);
else
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#endif
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success = gst_vaapisink_show_frame_x11(sink, surface, flags);
return success ? GST_FLOW_OK : GST_FLOW_UNEXPECTED;
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}
static gboolean
gst_vaapisink_query(GstBaseSink *base_sink, GstQuery *query)
{
GstVaapiSink *sink = GST_VAAPISINK(base_sink);
GST_DEBUG ("sharing display %p", sink->display);
return gst_vaapi_reply_to_query (query, sink->display);
}
static void
gst_vaapisink_finalize(GObject *object)
{
gst_vaapisink_destroy(GST_VAAPISINK(object));
G_OBJECT_CLASS(gst_vaapisink_parent_class)->finalize(object);
}
static void
gst_vaapisink_set_property(
GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec
)
{
GstVaapiSink * const sink = GST_VAAPISINK(object);
switch (prop_id) {
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case PROP_USE_GLX:
sink->use_glx = g_value_get_boolean(value);
break;
case PROP_FULLSCREEN:
sink->fullscreen = g_value_get_boolean(value);
break;
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case PROP_SYNCHRONOUS:
sink->synchronous = g_value_get_boolean(value);
break;
case PROP_USE_REFLECTION:
sink->use_reflection = g_value_get_boolean(value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
gst_vaapisink_get_property(
GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec
)
{
GstVaapiSink * const sink = GST_VAAPISINK(object);
switch (prop_id) {
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case PROP_USE_GLX:
g_value_set_boolean(value, sink->use_glx);
break;
case PROP_FULLSCREEN:
g_value_set_boolean(value, sink->fullscreen);
break;
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case PROP_SYNCHRONOUS:
g_value_set_boolean(value, sink->synchronous);
break;
case PROP_USE_REFLECTION:
g_value_set_boolean(value, sink->use_reflection);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
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static void
gst_vaapisink_class_init(GstVaapiSinkClass *klass)
{
GObjectClass * const object_class = G_OBJECT_CLASS(klass);
GstElementClass * const element_class = GST_ELEMENT_CLASS(klass);
GstBaseSinkClass * const basesink_class = GST_BASE_SINK_CLASS(klass);
GstPadTemplate *pad_template;
GST_DEBUG_CATEGORY_INIT(gst_debug_vaapisink,
GST_PLUGIN_NAME, 0, GST_PLUGIN_DESC);
object_class->finalize = gst_vaapisink_finalize;
object_class->set_property = gst_vaapisink_set_property;
object_class->get_property = gst_vaapisink_get_property;
basesink_class->start = gst_vaapisink_start;
basesink_class->stop = gst_vaapisink_stop;
basesink_class->set_caps = gst_vaapisink_set_caps;
basesink_class->preroll = gst_vaapisink_show_frame;
basesink_class->render = gst_vaapisink_show_frame;
basesink_class->query = gst_vaapisink_query;
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gst_element_class_set_details_simple(
element_class,
gst_vaapisink_details.longname,
gst_vaapisink_details.klass,
gst_vaapisink_details.description,
gst_vaapisink_details.author
);
pad_template = gst_static_pad_template_get(&gst_vaapisink_sink_factory);
gst_element_class_add_pad_template(element_class, pad_template);
gst_object_unref(pad_template);
#if USE_VAAPISINK_GLX
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g_object_class_install_property
(object_class,
PROP_USE_GLX,
g_param_spec_boolean("use-glx",
"GLX rendering",
"Enables GLX rendering",
TRUE,
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G_PARAM_READWRITE));
g_object_class_install_property
(object_class,
PROP_USE_REFLECTION,
g_param_spec_boolean("use-reflection",
"Reflection effect",
"Enables OpenGL reflection effect",
FALSE,
G_PARAM_READWRITE));
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#endif
g_object_class_install_property
(object_class,
PROP_FULLSCREEN,
g_param_spec_boolean("fullscreen",
"Fullscreen",
"Requests window in fullscreen state",
FALSE,
G_PARAM_READWRITE));
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/**
* GstVaapiSink:synchronous:
*
* When enabled, runs the X display in synchronous mode. Note that
* this is used only for debugging.
*/
g_object_class_install_property
(object_class,
PROP_SYNCHRONOUS,
g_param_spec_boolean("synchronous",
"Synchronous mode",
"Toggles X display synchronous mode",
FALSE,
G_PARAM_READWRITE));
}
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static void
gst_vaapisink_init(GstVaapiSink *sink)
{
sink->caps = NULL;
sink->display = NULL;
sink->window = NULL;
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sink->window_width = 0;
sink->window_height = 0;
sink->texture = NULL;
sink->video_width = 0;
sink->video_height = 0;
sink->video_par_n = 1;
sink->video_par_d = 1;
sink->foreign_window = FALSE;
sink->fullscreen = FALSE;
sink->synchronous = FALSE;
sink->use_glx = USE_VAAPISINK_GLX;
sink->use_reflection = FALSE;
}