subprojects/gst-plugins-bad/sys/va/gstvabasedec.h

   1
   2 /* GStreamer
   3  * Copyright (C) 2020 Igalia, S.L.
   4  *     Author: Víctor Jáquez <vjaquez@igalia.com>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 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  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; if not, write to the0
  18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  */
  21
  22 #pragma once
  23
  24 #include <gst/codecs/gsth264decoder.h>
  25 #include <gst/codecs/gsth265decoder.h>
  26 #include <gst/codecs/gstmpeg2decoder.h>
  27 #include <gst/codecs/gstvp8decoder.h>
  28 #include <gst/codecs/gstvp9decoder.h>
  29 #include <gst/codecs/gstav1decoder.h>
  30
  31 #include "gstvadevice.h"
  32 #include "gstvadecoder.h"
  33 #include "gstvaprofile.h"
  34
  35 G_BEGIN_DECLS
  36
  37 #define GST_VA_BASE_DEC(obj) ((GstVaBaseDec *)(obj))
  38 #define GST_VA_BASE_DEC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), G_TYPE_FROM_INSTANCE (obj), GstVaBaseDecClass))
  39 #define GST_VA_BASE_DEC_CLASS(klass) ((GstVaBaseDecClass *)(klass))
  40
  41 typedef struct _GstVaBaseDec GstVaBaseDec;
  42 typedef struct _GstVaBaseDecClass GstVaBaseDecClass;
  43
  44 struct _GstVaBaseDec
  45 {
  46   /* <private> */
  47   union
  48   {
  49     GstH264Decoder h264;
  50     GstH265Decoder h265;
  51     GstMpeg2Decoder mpeg2;
  52     GstVp8Decoder vp8;
  53     GstVp9Decoder vp9;
  54     GstAV1Decoder av1;
  55   } parent;
  56
  57   GstDebugCategory *debug_category;
  58
  59   GstVaDisplay *display;
  60   GstVaDecoder *decoder;
  61
  62   VAProfile profile;
  63   guint rt_format;
  64   gint width;
  65   gint height;
  66
  67   guint min_buffers;
  68
  69   GstVideoCodecState *output_state;
  70   GstBufferPool *other_pool;
  71
  72   gboolean need_valign;
  73   GstVideoAlignment valign;
  74
  75   gboolean copy_frames;
  76
  77   gboolean apply_video_crop;
  78   GstVideoConverter *convert;
  79 };
  80
  81 struct _GstVaBaseDecClass
  82 {
  83   /* <private> */
  84   union
  85   {
  86     GstH264DecoderClass h264;
  87     GstH265DecoderClass h265;
  88     GstMpeg2DecoderClass mpeg2;
  89     GstVp8DecoderClass vp8;
  90     GstVp9DecoderClass vp9;
  91     GstAV1DecoderClass av1;
  92   } parent_class;
  93
  94   GstVaCodecs codec;
  95   gchar *render_device_path;
  96   /* The parent class in GType hierarchy */
  97   GstObjectClass *parent_decoder_class;
  98 };
  99
 100 struct CData
 101 {
 102   gchar *render_device_path;
 103   gchar *description;
 104   GstCaps *sink_caps;
 105   GstCaps *src_caps;
 106 };
 107
 108 void                  gst_va_base_dec_init                (GstVaBaseDec * base,
 109                                                            GstDebugCategory * cat);
 110 void                  gst_va_base_dec_class_init          (GstVaBaseDecClass * klass,
 111                                                            GstVaCodecs codec,
 112                                                            const gchar * render_device_path,
 113                                                            GstCaps * sink_caps,
 114                                                            GstCaps * src_caps,
 115                                                            GstCaps * doc_src_caps,
 116                                                            GstCaps * doc_sink_caps);
 117
 118 gboolean              gst_va_base_dec_close               (GstVideoDecoder * decoder);
 119 void                  gst_va_base_dec_get_preferred_format_and_caps_features (GstVaBaseDec * base,
 120                                                            GstVideoFormat * format,
 121                                                            GstCapsFeatures ** capsfeatures);
 122 gboolean              gst_va_base_dec_copy_output_buffer  (GstVaBaseDec * base,
 123                                                            GstVideoCodecFrame * codec_frame);
 124
 125 G_END_DECLS