gst-libs/gst/vaapi/gstvaapiencoder_mpeg4.h

   1 /*
   2  *  gstvaapiencoder_mpeg4.h - MPEG-4 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_ENCODER_MPEG4_H
  23 #define GST_VAAPI_ENCODER_MPEG4_H
  24
  25 #include "gst/vaapi/gstvaapisurfacepool.h"
  26 #include "gst/vaapi/gstvaapibaseencoder.h"
  27
  28 G_BEGIN_DECLS
  29
  30 #define MPEG4_DEFAULT_INTRA_PERIOD 30
  31 #define MPEG4_DEFAULT_INIT_QP      15
  32 #define MPEG4_DEFAULT_MIN_QP       1
  33 #define MPEG4_DEFAULT_SIMPLE_PROFILE_AND_LEVEL          0x03
  34 #define MPEG4_DEFAULT_ADVANCED_SIMPLE_PROFILE_AND_LEVEL 0xF3
  35
  36 #define MPEG4_DEFAULT_FIXED_VOP_RATE FALSE
  37
  38
  39 typedef struct _GstVaapiEncoderMpeg4              GstVaapiEncoderMpeg4;
  40 typedef struct _GstVaapiEncoderMpeg4Private       GstVaapiEncoderMpeg4Private;
  41 typedef struct _GstVaapiEncoderMpeg4Class         GstVaapiEncoderMpeg4Class;
  42
  43
  44 #define GST_TYPE_VAAPI_ENCODER_MPEG4 \
  45     (gst_vaapi_encoder_mpeg4_get_type())
  46
  47 #define GST_IS_VAAPI_ENCODER_MPEG4(obj) \
  48     (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VAAPI_ENCODER_MPEG4))
  49
  50 #define GST_IS_VAAPI_ENCODER_MPEG4_CLASS(klass) \
  51     (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_VAAPI_ENCODER_MPEG4))
  52
  53 #define GST_VAAPI_ENCODER_MPEG4_GET_CLASS(obj)                 \
  54     (G_TYPE_INSTANCE_GET_CLASS ((obj),                         \
  55                                 GST_TYPE_VAAPI_ENCODER_MPEG4,  \
  56                                 GstVaapiEncoderMpeg4Class))
  57
  58 #define GST_VAAPI_ENCODER_MPEG4(obj)                           \
  59     (G_TYPE_CHECK_INSTANCE_CAST ((obj),                        \
  60                                  GST_TYPE_VAAPI_ENCODER_MPEG4, \
  61                                  GstVaapiEncoderMpeg4))
  62
  63 #define GST_VAAPI_ENCODER_MPEG4_CLASS(klass)                   \
  64     (G_TYPE_CHECK_CLASS_CAST ((klass),                         \
  65                               GST_TYPE_VAAPI_ENCODER_MPEG4,    \
  66                               GstVaapiEncoderMpeg4Class))
  67
  68 #define GST_VAAPI_ENCODER_MPEG4_GET_PRIVATE(obj)               \
  69     (G_TYPE_INSTANCE_GET_PRIVATE((obj),                        \
  70                                  GST_TYPE_VAAPI_ENCODER_MPEG4, \
  71                                  GstVaapiEncoderMpeg4Private))
  72
  73 struct _GstVaapiEncoderMpeg4 {
  74   GstVaapiBaseEncoder parent;   /*based on gobject*/
  75   VAProfile profile;  /* VAProfileMPEG4Simple, VAProfileMPEG4AdvancedSimple */
  76   guint32   bitrate;
  77   guint32   intra_period;
  78   guint32   init_qp;  /*default 15, 1~31*/
  79   guint32   min_qp;   /*default 1, 1~31*/
  80
  81   GstVaapiEncoderMpeg4Private *priv;
  82 };
  83
  84 struct _GstVaapiEncoderMpeg4Class {
  85     GstVaapiBaseEncoderClass parent_class;
  86 };
  87
  88 GType
  89 gst_vaapi_encoder_mpeg4_get_type(void);
  90
  91 GstVaapiEncoderMpeg4 *
  92 gst_vaapi_encoder_mpeg4_new(void);
  93
  94 static inline void
  95 gst_vaapi_encoder_mpeg4_unref (GstVaapiEncoderMpeg4 * encoder)
  96 {
  97   g_object_unref (encoder);
  98 }
  99
 100
 101 G_END_DECLS
 102
 103 #endif /* GST_VAAPI_ENCODER_MPEG4_H */