gst-libs/gst/vaapi/gstvaapivideobuffer.h

   1 /*
   2  *  gstvaapivideobuffer.h - Gstreamer/VA video buffer
   3  *
   4  *  Copyright (C) 2010-2011 Splitted-Desktop Systems
   5  *  Copyright (C) 2011 Intel Corporation
   6  *
   7  *  This library is free software; you can redistribute it and/or
   8  *  modify it under the terms of the GNU Lesser General Public License
   9  *  as published by the Free Software Foundation; either version 2.1
  10  *  of the License, or (at your option) any later version.
  11  *
  12  *  This library is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  *  Lesser General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU Lesser General Public
  18  *  License along with this library; if not, write to the Free
  19  *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20  *  Boston, MA 02110-1301 USA
  21  */
  22
  23 #ifndef GST_VAAPI_VIDEO_BUFFER_H
  24 #define GST_VAAPI_VIDEO_BUFFER_H
  25
  26 #include <gst/video/gstsurfacebuffer.h>
  27 #include <gst/vaapi/gstvaapidisplay.h>
  28 #include <gst/vaapi/gstvaapiimage.h>
  29 #include <gst/vaapi/gstvaapisurface.h>
  30 #include <gst/vaapi/gstvaapisurfaceproxy.h>
  31 #include <gst/vaapi/gstvaapivideopool.h>
  32
  33 G_BEGIN_DECLS
  34
  35 #define GST_VAAPI_TYPE_VIDEO_BUFFER \
  36     (gst_vaapi_video_buffer_get_type())
  37
  38 #define GST_VAAPI_VIDEO_BUFFER(obj)                             \
  39     (G_TYPE_CHECK_INSTANCE_CAST((obj),                          \
  40                                 GST_VAAPI_TYPE_VIDEO_BUFFER,    \
  41                                 GstVaapiVideoBuffer))
  42
  43 #define GST_VAAPI_VIDEO_BUFFER_CLASS(klass)                     \
  44     (G_TYPE_CHECK_CLASS_CAST((klass),                           \
  45                              GST_VAAPI_TYPE_VIDEO_BUFFER,       \
  46                              GstVaapiVideoBufferClass))
  47
  48 #define GST_VAAPI_IS_VIDEO_BUFFER(obj) \
  49     (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_VIDEO_BUFFER))
  50
  51 #define GST_VAAPI_IS_VIDEO_BUFFER_CLASS(klass) \
  52     (G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_VIDEO_BUFFER))
  53
  54 #define GST_VAAPI_VIDEO_BUFFER_GET_CLASS(obj)                   \
  55     (G_TYPE_INSTANCE_GET_CLASS((obj),                           \
  56                                GST_VAAPI_TYPE_VIDEO_BUFFER,     \
  57                                GstVaapiVideoBufferClass))
  58
  59 typedef struct _GstVaapiVideoBuffer             GstVaapiVideoBuffer;
  60 typedef struct _GstVaapiVideoBufferPrivate      GstVaapiVideoBufferPrivate;
  61 typedef struct _GstVaapiVideoBufferClass        GstVaapiVideoBufferClass;
  62
  63 /**
  64  * GstVaapiVideoBuffer:
  65  *
  66  * A #GstBuffer holding video objects (#GstVaapiSurface and #GstVaapiImage).
  67  */
  68 struct _GstVaapiVideoBuffer {
  69     /*< private >*/
  70     GstSurfaceBuffer parent_instance;
  71
  72     GstVaapiVideoBufferPrivate *priv;
  73 };
  74
  75 /**
  76  * GstVaapiVideoBufferClass:
  77  *
  78  * A #GstBuffer holding video objects
  79  */
  80 struct _GstVaapiVideoBufferClass {
  81     /*< private >*/
  82     GstSurfaceBufferClass parent_class;
  83 };
  84
  85 GType
  86 gst_vaapi_video_buffer_get_type(void) G_GNUC_CONST;
  87
  88 GstVaapiDisplay *
  89 gst_vaapi_video_buffer_get_display(GstVaapiVideoBuffer *buffer);
  90
  91 GstVaapiImage *
  92 gst_vaapi_video_buffer_get_image(GstVaapiVideoBuffer *buffer);
  93
  94 void
  95 gst_vaapi_video_buffer_set_image(
  96     GstVaapiVideoBuffer *buffer,
  97     GstVaapiImage       *image
  98 );
  99
 100 gboolean
 101 gst_vaapi_video_buffer_set_image_from_pool(
 102     GstVaapiVideoBuffer *buffer,
 103     GstVaapiVideoPool   *pool
 104 );
 105
 106 GstVaapiSurface *
 107 gst_vaapi_video_buffer_get_surface(GstVaapiVideoBuffer *buffer);
 108
 109 void
 110 gst_vaapi_video_buffer_set_surface(
 111     GstVaapiVideoBuffer *buffer,
 112     GstVaapiSurface     *surface
 113 );
 114
 115 gboolean
 116 gst_vaapi_video_buffer_set_surface_from_pool(
 117     GstVaapiVideoBuffer *buffer,
 118     GstVaapiVideoPool   *pool
 119 );
 120
 121 GstVaapiSurfaceProxy *
 122 gst_vaapi_video_buffer_get_surface_proxy(GstVaapiVideoBuffer *buffer);
 123
 124 void
 125 gst_vaapi_video_buffer_set_surface_proxy(
 126     GstVaapiVideoBuffer  *buffer,
 127     GstVaapiSurfaceProxy *proxy
 128 );
 129
 130 guint
 131 gst_vaapi_video_buffer_get_render_flags(GstVaapiVideoBuffer *buffer);
 132
 133 void
 134 gst_vaapi_video_buffer_set_render_flags(GstVaapiVideoBuffer *buffer, guint flags);
 135
 136 gboolean
 137 gst_vaapi_video_buffer_ensure_pointer(GstVaapiVideoBuffer *buffer);
 138
 139 G_END_DECLS
 140
 141 #endif /* GST_VAAPI_VIDEO_BUFFER_H */