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Display frames.

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This commit is contained in:
gb 2010-03-15 17:09:12 +00:00
parent f8c91368e9
commit 271d8334ba
2 changed files with 72 additions and 3 deletions
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73
sys/vaapisink/gstvaapisink.c
View file

@ -20,8 +20,10 @@
#include "config.h"
#include <gst/gst.h>
#include <gst/vaapi/gstvaapivideobuffer.h>
#include <gst/vaapi/gstvaapisinkbase.h>
#include <gst/vaapi/gstvaapidisplay_x11.h>
#include <gst/vaapi/gstvaapiwindow_x11.h>
#include "gstvaapisink.h"
#define GST_PLUGIN_NAME "vaapisink"
@ -98,6 +100,67 @@ gst_vaapisink_destroy(GstVaapiSink *sink)
}
}
static inline gboolean
gst_vaapisink_ensure_display(GstVaapiSink *sink)
{
if (!sink->display)
sink->display = gst_vaapi_display_x11_new(sink->display_name);
return sink->display != NULL;
}
static gboolean
gst_vaapisink_start(GstBaseSink *base_sink)
{
GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
if (!gst_vaapisink_ensure_display(sink))
return FALSE;
return TRUE;
}
static gboolean
gst_vaapisink_stop(GstBaseSink *base_sink)
{
GstVaapiSink * const sink = GST_VAAPISINK(base_sink);
if (sink->window) {
g_object_unref(sink->window);
sink->window = NULL;
}
if (sink->display) {
g_object_unref(sink->display);
sink->display = NULL;
}
return TRUE;
}
static GstFlowReturn
gst_vaapisink_show_frame(GstVideoSink *video_sink, GstBuffer *buffer)
{
GstVaapiSink * const sink = GST_VAAPISINK(video_sink);
GstVaapiVideoBuffer * const vbuffer = GST_VAAPI_VIDEO_BUFFER(buffer);
GstVaapiSurface *surface;
guint width, height, flags;
surface = gst_vaapi_video_buffer_get_surface(vbuffer);
if (!surface)
return GST_FLOW_UNEXPECTED;
gst_vaapi_surface_get_size(surface, &width, &height);
if (!sink->window) {
sink->window = gst_vaapi_window_x11_new(sink->display, width, height);
if (!sink->window)
return GST_FLOW_UNEXPECTED;
}
flags = GST_VAAPI_PICTURE_STRUCTURE_FRAME;
if (!gst_vaapi_window_put_surface(sink->window, surface, flags))
return GST_FLOW_UNEXPECTED;
return GST_FLOW_OK;
}
static void
gst_vaapisink_finalize(GObject *object)
{
@ -165,7 +228,6 @@ static void gst_vaapisink_base_init(gpointer klass)
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);
GstVideoSinkClass * const videosink_class = GST_VIDEO_SINK_CLASS(klass);
@ -173,6 +235,11 @@ static void gst_vaapisink_class_init(GstVaapiSinkClass *klass)
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;
videosink_class->show_frame = gst_vaapisink_show_frame;
g_object_class_install_property
(object_class,
PROP_DISPLAY,
@ -201,8 +268,8 @@ static void gst_vaapisink_init(GstVaapiSink *sink, GstVaapiSinkClass *klass)
GstVaapiDisplay *
gst_vaapisink_get_display(GstVaapiSink *sink)
{
if (!sink->display)
sink->display = gst_vaapi_display_x11_new(sink->display_name);
if (!gst_vaapisink_ensure_display(sink))
return NULL;
return sink->display;
}

2
sys/vaapisink/gstvaapisink.h
View file

@ -23,6 +23,7 @@
#include <gst/video/gstvideosink.h>
#include <gst/vaapi/gstvaapidisplay.h>
#include <gst/vaapi/gstvaapiwindow.h>
#include <X11/Xlib.h>
G_BEGIN_DECLS
@ -60,6 +61,7 @@ struct _GstVaapiSink {
gchar *display_name;
GstVaapiDisplay *display;
GstVaapiWindow *window;
};
struct _GstVaapiSinkClass {