gst/vaapi/gstvaapipostproc.h

   1 /*
   2  *  gstvaapipostproc.h - VA-API video post processing
   3  *
   4  *  Copyright (C) 2012 Intel Corporation
   5  *
   6  *  This program is free software; you can redistribute it and/or
   7  *  modify it under the terms of the GNU Lesser General Public License
   8  *  as published by the Free Software Foundation; either version 2.1
   9  *  of the License, or (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  *  Lesser General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU Lesser General Public
  17  *  License along with this program; if not, write to the Free
  18  *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  *  Boston, MA 02110-1301 USA
  20 */
  21
  22 #ifndef GST_VAAPIPOSTPROC_H
  23 #define GST_VAAPIPOSTPROC_H
  24
  25 #include <gst/gst.h>
  26 #include <gst/vaapi/gstvaapidisplay.h>
  27 #include <gst/vaapi/gstvaapisurface.h>
  28 #include <gst/vaapi/gstvaapisurfacepool.h>
  29 #include <gst/vaapi/gstvaapivideobuffer.h>
  30
  31 G_BEGIN_DECLS
  32
  33 #define GST_TYPE_VAAPIPOSTPROC \
  34     (gst_vaapipostproc_get_type())
  35
  36 #define GST_VAAPIPOSTPROC(obj)                          \
  37     (G_TYPE_CHECK_INSTANCE_CAST((obj),                  \
  38                                 GST_TYPE_VAAPIPOSTPROC, \
  39                                 GstVaapiPostproc))
  40
  41 #define GST_VAAPIPOSTPROC_CLASS(klass)                  \
  42     (G_TYPE_CHECK_CLASS_CAST((klass),                   \
  43                              GST_TYPE_VAAPIPOSTPROC,    \
  44                              GstVaapiPostprocClass))
  45
  46 #define GST_IS_VAAPIPOSTPROC(obj) \
  47     (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_VAAPIPOSTPROC))
  48
  49 #define GST_IS_VAAPIPOSTPROC_CLASS(klass) \
  50     (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_VAAPIPOSTPROC))
  51
  52 #define GST_VAAPIPOSTPROC_GET_CLASS(obj)                \
  53     (G_TYPE_INSTANCE_GET_CLASS((obj),                   \
  54                                GST_TYPE_VAAPIPOSTPROC,  \
  55                                GstVaapiPostprocClass))
  56
  57 typedef struct _GstVaapiPostproc                GstVaapiPostproc;
  58 typedef struct _GstVaapiPostprocClass           GstVaapiPostprocClass;
  59
  60 typedef enum _GstVaapiDeinterlaceMode           GstVaapiDeinterlaceMode;
  61 typedef enum _GstVaapiDeinterlaceMethod         GstVaapiDeinterlaceMethod;
  62
  63 /**
  64  * GstVaapiDeinterlaceMode:
  65  * @GST_VAAPI_DEINTERLACE_MODE_AUTO: Auto detect needs for deinterlacing.
  66  * @GST_VAAPI_DEINTERLACE_MODE_INTERLACED: Force deinterlacing.
  67  * @GST_VAAPI_DEINTERLACE_MODE_DISABLED: Never perform deinterlacing.
  68  */
  69 enum _GstVaapiDeinterlaceMode {
  70     GST_VAAPI_DEINTERLACE_MODE_AUTO = 0,
  71     GST_VAAPI_DEINTERLACE_MODE_INTERLACED,
  72     GST_VAAPI_DEINTERLACE_MODE_DISABLED,
  73 };
  74
  75 /**
  76  * GstVaapiDeinterlaceMethod:
  77  * @GST_VAAPI_DEINTERLACE_METHOD_BOB: Basic bob deinterlacing algorithm.
  78  * @GST_VAAPI_DEINTERLACE_METHOD_WEAVE: Weave deinterlacing algorithm.
  79  * @GST_VAAPI_DEINTERLACE_METHOD_MOTION_ADAPTIVE: Motion adaptive deinterlacing algorithm.
  80  * @GST_VAAPI_DEINTERLACE_METHOD_MOTION_COMPENSATED: Motion compensated deinterlacing algorithm.
  81  */
  82 enum _GstVaapiDeinterlaceMethod {
  83     GST_VAAPI_DEINTERLACE_METHOD_BOB = 1,
  84     GST_VAAPI_DEINTERLACE_METHOD_WEAVE,
  85     GST_VAAPI_DEINTERLACE_METHOD_MOTION_ADAPTIVE,
  86     GST_VAAPI_DEINTERLACE_METHOD_MOTION_COMPENSATED,
  87 };
  88
  89 struct _GstVaapiPostproc {
  90     /*< private >*/
  91     GstElement                  parent_instance;
  92
  93     GstPad                     *sinkpad;
  94     GstCaps                    *sinkpad_caps;
  95     GstPad                     *srcpad;
  96     GstCaps                    *srcpad_caps;
  97     GstCaps                    *allowed_caps;
  98     GstCaps                    *postproc_caps;
  99
 100     GstVaapiDisplay            *display;
 101     guint                       surface_width;
 102     guint                       surface_height;
 103
 104     /* Deinterlacing */
 105     gboolean                    deinterlace;
 106     GstVaapiDeinterlaceMode     deinterlace_mode;
 107     GstVaapiDeinterlaceMethod   deinterlace_method;
 108     GstClockTime                field_duration;
 109     gint                        fps_n;
 110     gint                        fps_d;
 111 };
 112
 113 struct _GstVaapiPostprocClass {
 114     /*< private >*/
 115     GstElementClass             parent_class;
 116 };
 117
 118 GType
 119 gst_vaapipostproc_get_type(void) G_GNUC_CONST;
 120
 121 G_END_DECLS
 122
 123 #endif /* GST_VAAPIPOSTPROC_H */