gstreamer/sys/pvr2d/gstpvrvideosink.h
Luciana Fujii Pontello cdcc39455c Add pvrvideosink element
PVRVideoSink uses PVR2D library to blit images.

Author: Alessandro Decina <alessandro.decina@collabora.co.uk>
Author: Luciana Fujii <luciana.fujii@collabora.co.uk>
2011-11-25 10:24:23 +01:00

157 lines
4.1 KiB
C

/* GStreamer
*
* Copyright (C) 2011 - Collabora Ltda
* Copyright (C) 2011 - Texas Instruments
* @author: Luciana Fujii Pontello <luciana.fujii@collabora.co.uk>
*
* 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 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_PVRVIDEOSINK_H__
#define __GST_PVRVIDEOSINK_H__
#include <gst/video/gstvideosink.h>
#include <gst/video/video.h>
#include "gstpvrbufferpool.h"
#include <string.h>
#include <math.h>
#include <pvr2d.h>
#include <EGL/egl.h>
#include <wsegl.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
G_BEGIN_DECLS
#define GST_TYPE_PVRVIDEOSINK (gst_pvrvideosink_get_type())
#define GST_PVRVIDEOSINK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_PVRVIDEOSINK, GstPVRVideoSink))
#define GST_PVRVIDEOSINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_PVRVIDEOSINK, GstPVRVideoSinkClass))
#define GST_IS_PVRVIDEOSINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_PVRVIDEOSINK))
#define GST_IS_PVRVIDEOSINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_PVRVIDEOSINK))
typedef struct _GstDrawContext GstDrawContext;
typedef struct _GstXWindow GstXWindow;
typedef struct _GstPVRVideoBuffer GstPVRVideoBuffer;
typedef struct _GstPVRVideoBufferClass GstPVRVideoBufferClass;
typedef struct _GstPVRVideoSink GstPVRVideoSink;
typedef struct _GstPVRVideoSinkClass GstPVRVideoSinkClass;
struct _GstDrawContext
{
/* PVR2D */
PVR2DCONTEXTHANDLE pvr_context;
PVR2DMEMINFO dst_mem;
PPVR2D_3DBLT_EXT p_blt_info;
PPVR2DBLTINFO p_blt2d_info;
long stride;
PVR2DFORMAT display_format;
long display_width;
long display_height;
/* WSEGL */
const WSEGL_FunctionTable *wsegl_table;
WSEGLDisplayHandle display_handle;
const WSEGLCaps **glcaps;
WSEGLConfig *glconfig;
WSEGLDrawableHandle drawable_handle;
WSEGLRotationAngle rotation;
GMutex *x_lock;
Display *x_display;
gint screen_num;
gulong black;
};
struct _GstXWindow
{
Window window;
gint width, height;
gboolean internal;
GC gc;
};
/**
* GstPVRVideoSink:
* @running: used to inform @event_thread if it should run/shutdown
* @fps_n: the framerate fraction numerator
* @fps_d: the framerate fraction denominator
* @flow_lock: used to protect data flow routines from external calls such as
* events from @event_thread or methods from the #GstXOverlay interface
* @pool_lock: used to protect the buffer pool
* @x_lock: used to protect X calls
* @buffer_pool: a list of #GstPVRVideoBuffer that could be reused at next buffer
* allocation call
* @keep_aspect: used to remember if reverse negotiation scaling should respect
* aspect ratio
*
* The #GstPVRVideoSink data structure.
*/
struct _GstPVRVideoSink
{
/* Our element stuff */
GstVideoSink videosink;
gboolean running;
/* Framerate numerator and denominator */
GstVideoFormat format;
gint fps_n;
gint fps_d;
gint rowstride;
GThread *event_thread;
GMutex *flow_lock;
GMutex *pool_lock;
GstPvrBufferPool *buffer_pool;
gboolean pool_invalid;
gint num_buffers;
gboolean num_buffers_can_change;
gint min_queued_bufs;
gboolean keep_aspect;
GstCaps *current_caps;
GstDrawContext *dcontext;
GstXWindow *xwindow;
GstVideoRectangle render_rect;
gboolean have_render_rect;
gchar *media_title;
gboolean redraw_borders;
GstBuffer *current_buffer;
WSEGLDrawableParams render_params;
};
struct _GstPVRVideoSinkClass
{
GstVideoSinkClass parent_class;
};
GType gst_pvrvideosink_get_type (void);
G_END_DECLS
#endif /* __GST_PVRVIDEOSINK_H__ */