gst-libs/gst/vaapi/gstvaapibaseencoder.h

   1 /*
   2  *  gstvaapibaseencoder.h - VA-API base encoder
   3  *
   4  *  Copyright (C) 2011 Intel Corporation
   5  *
   6  *  This library 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 library 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 library; 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_VAAPI_BASE_ENCODER_H
  23 #define GST_VAAPI_BASE_ENCODER_H
  24
  25 #include "gst/vaapi/gstvaapiencoder.h"
  26 #include "gst/vaapi/gstvaapivideobuffer.h"
  27
  28 G_BEGIN_DECLS
  29
  30 typedef struct _GstVaapiBaseEncoder              GstVaapiBaseEncoder;
  31 typedef struct _GstVaapiBaseEncoderPrivate       GstVaapiBaseEncoderPrivate;
  32 typedef struct _GstVaapiBaseEncoderClass         GstVaapiBaseEncoderClass;
  33
  34 #define GST_TYPE_VAAPI_BASE_ENCODER \
  35     (gst_vaapi_base_encoder_get_type())
  36
  37 #define GST_IS_VAAPI_BASE_ENCODER(obj) \
  38     (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VAAPI_BASE_ENCODER))
  39
  40 #define GST_IS_VAAPI_BASE_ENCODER_CLASS(klass) \
  41     (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_VAAPI_BASE_ENCODER))
  42
  43 #define GST_VAAPI_BASE_ENCODER_GET_CLASS(obj)                  \
  44     (G_TYPE_INSTANCE_GET_CLASS ((obj),                         \
  45                                 GST_TYPE_VAAPI_BASE_ENCODER,   \
  46                                 GstVaapiBaseEncoderClass))
  47
  48 #define GST_VAAPI_BASE_ENCODER(obj)                            \
  49 (G_TYPE_CHECK_INSTANCE_CAST ((obj),                            \
  50                              GST_TYPE_VAAPI_BASE_ENCODER,      \
  51                              GstVaapiBaseEncoder))
  52
  53 #define GST_VAAPI_BASE_ENCODER_CLASS(klass)                    \
  54     (G_TYPE_CHECK_CLASS_CAST ((klass),                         \
  55                               GST_TYPE_VAAPI_BASE_ENCODER,     \
  56                               GstVaapiBaseEncoderClass))
  57
  58 #define GST_VAAPI_BASE_ENCODER_GET_PRIVATE(obj)                \
  59     (G_TYPE_INSTANCE_GET_PRIVATE((obj),                        \
  60                                  GST_TYPE_VAAPI_BASE_ENCODER,  \
  61                                  GstVaapiBaseEncoderPrivate))
  62
  63 /* return: if true, continue; else, stop*/
  64 typedef gboolean
  65   (*GstVaapiBaseEncoderNotifyStatus)(
  66        GstVaapiBaseEncoder* encoder,
  67        EncoderStatus status,
  68        void* userdata);
  69
  70 struct _GstVaapiBaseEncoder {
  71   GstVaapiEncoder parent;
  72
  73   GstVaapiBaseEncoderPrivate *priv;
  74 };
  75
  76 struct _GstVaapiBaseEncoderClass {
  77   GstVaapiEncoderClass parent_class;
  78
  79   /* in <open> function*/
  80   gboolean (*validate_attributes)   (GstVaapiBaseEncoder* encoder);
  81   gboolean (*pre_alloc_resource)    (GstVaapiBaseEncoder *encoder,
  82                                      GstVaapiContext* context);
  83
  84   /* in <close> function */
  85   gboolean (*release_resource)      (GstVaapiBaseEncoder* encoder);
  86
  87   /* in <encode> function */
  88   EncoderStatus (*prepare_next_input_buffer)(GstVaapiBaseEncoder* encoder,
  89                                              GstBuffer *display_buf,
  90                                              gboolean need_flush,
  91                                              GstBuffer **out_buf);
  92
  93   EncoderStatus (*render_frame)     (GstVaapiBaseEncoder *encoder,
  94                                      GstVaapiSurface *surface,
  95                                      guint frame_index,
  96                                      VABufferID coded_buf,
  97                                      gboolean *is_key);
  98
  99   void (*encode_frame_failed)       (GstVaapiBaseEncoder *encoder,
 100                                      GstVaapiVideoBuffer* buffer);
 101
 102   void (*notify_buffer)             (GstVaapiBaseEncoder *encoder,
 103                                      guint8 *buf, guint32 size);
 104
 105   GstBuffer *(*wrap_buffer)         (GstVaapiBaseEncoder *encoder,
 106                                      GstBuffer *buf);
 107 };
 108
 109 GType
 110 gst_vaapi_base_encoder_get_type(void);
 111
 112 void
 113 gst_vaapi_base_encoder_set_frame_notify(
 114     GstVaapiBaseEncoder *encoder,
 115     gboolean flag
 116 );
 117
 118 gboolean
 119 gst_vaapi_base_encoder_set_va_profile(
 120     GstVaapiBaseEncoder *encoder,
 121     guint profile
 122 );
 123 void
 124 gst_vaapi_base_encoder_set_input_format(
 125     GstVaapiBaseEncoder* encoder,
 126     guint32 format
 127 );
 128
 129 gboolean
 130 gst_vaapi_base_encoder_set_notify_status(
 131     GstVaapiBaseEncoder *encoder,
 132     GstVaapiBaseEncoderNotifyStatus func,
 133     gpointer             user_data
 134 );
 135
 136 void
 137 gst_vaapi_base_encoder_set_buffer_sharing(
 138     GstVaapiBaseEncoder *encoder,
 139     gboolean is_buffer_sharing
 140 );
 141
 142 G_END_DECLS
 143
 144 #endif /* GST_VAAPI_BASE_ENCODER_H */