aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/dxva2_internal.h
blob: 42ff346226b37ca540684762a1bc6342de4dbf86 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
/*
 * DXVA2 HW acceleration
 *
 * copyright (c) 2010 Laurent Aimar
 *
 * This file is part of Libav.
 *
 * Libav is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * Libav is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Libav; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVCODEC_DXVA2_INTERNAL_H
#define AVCODEC_DXVA2_INTERNAL_H

#define COBJMACROS

#include "config.h"

/* define the proper COM entries before forcing desktop APIs */
#include <objbase.h>

#if CONFIG_DXVA2
#include "dxva2.h"
#include "libavutil/hwcontext_dxva2.h"
#endif
#if CONFIG_D3D11VA
#include "d3d11va.h"
#include "libavutil/hwcontext_d3d11va.h"
#endif
#if HAVE_DXVA_H
/* When targeting WINAPI_FAMILY_PHONE_APP or WINAPI_FAMILY_APP, dxva.h
 * defines nothing. Force the struct definitions to be visible. */
#undef WINAPI_FAMILY
#define WINAPI_FAMILY WINAPI_FAMILY_DESKTOP_APP
#undef _CRT_BUILD_DESKTOP_APP
#define _CRT_BUILD_DESKTOP_APP 0
#include <dxva.h>
#endif

#include "libavutil/hwcontext.h"

#include "avcodec.h"
#include "internal.h"

typedef void DECODER_BUFFER_DESC;

typedef union {
#if CONFIG_D3D11VA
    struct AVD3D11VAContext  d3d11va;
#endif
#if CONFIG_DXVA2
    struct dxva_context      dxva2;
#endif
} AVDXVAContext;

typedef struct FFDXVASharedContext {
    AVBufferRef *decoder_ref;

    // FF_DXVA2_WORKAROUND_* flags
    uint64_t workaround;

    // E.g. AV_PIX_FMT_D3D11 (same as AVCodecContext.pix_fmt, except during init)
    enum AVPixelFormat pix_fmt;

    AVHWDeviceContext *device_ctx;

#if CONFIG_D3D11VA
    ID3D11VideoDecoder             *d3d11_decoder;
    D3D11_VIDEO_DECODER_CONFIG      d3d11_config;
    ID3D11VideoDecoderOutputView  **d3d11_views;
    int                          nb_d3d11_views;
    ID3D11Texture2D                *d3d11_texture;
#endif

#if CONFIG_DXVA2
    IDirectXVideoDecoder           *dxva2_decoder;
    IDirectXVideoDecoderService    *dxva2_service;
    DXVA2_ConfigPictureDecode       dxva2_config;
#endif

    // Legacy (but used by code outside of setup)
    // In generic mode, DXVA_CONTEXT() will return a pointer to this.
    AVDXVAContext ctx;
} FFDXVASharedContext;

#define DXVA_SHARED_CONTEXT(avctx) ((FFDXVASharedContext *)((avctx)->internal->hwaccel_priv_data))

#define DXVA_CONTEXT(avctx) (AVDXVAContext *)((avctx)->hwaccel_context ? (avctx)->hwaccel_context : (&(DXVA_SHARED_CONTEXT(avctx)->ctx)))

#define D3D11VA_CONTEXT(ctx) (&ctx->d3d11va)
#define DXVA2_CONTEXT(ctx)   (&ctx->dxva2)

#if CONFIG_D3D11VA && CONFIG_DXVA2
#define DXVA_CONTEXT_WORKAROUND(avctx, ctx)     (ff_dxva2_is_d3d11(avctx) ? ctx->d3d11va.workaround : ctx->dxva2.workaround)
#define DXVA_CONTEXT_COUNT(avctx, ctx)          (ff_dxva2_is_d3d11(avctx) ? ctx->d3d11va.surface_count : ctx->dxva2.surface_count)
#define DXVA_CONTEXT_DECODER(avctx, ctx)        (ff_dxva2_is_d3d11(avctx) ? ctx->d3d11va.decoder : ctx->dxva2.decoder)
#define DXVA_CONTEXT_REPORT_ID(avctx, ctx)      (*(ff_dxva2_is_d3d11(avctx) ? &ctx->d3d11va.report_id : &ctx->dxva2.report_id))
#define DXVA_CONTEXT_CFG(avctx, ctx)            (ff_dxva2_is_d3d11(avctx) ? ctx->d3d11va.cfg : ctx->dxva2.cfg)
#define DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx)  (ff_dxva2_is_d3d11(avctx) ? ctx->d3d11va.cfg->ConfigBitstreamRaw : ctx->dxva2.cfg->ConfigBitstreamRaw)
#define DXVA_CONTEXT_CFG_INTRARESID(avctx, ctx) (ff_dxva2_is_d3d11(avctx) ? ctx->d3d11va.cfg->ConfigIntraResidUnsigned : ctx->dxva2.cfg->ConfigIntraResidUnsigned)
#define DXVA_CONTEXT_CFG_RESIDACCEL(avctx, ctx) (ff_dxva2_is_d3d11(avctx) ? ctx->d3d11va.cfg->ConfigResidDiffAccelerator : ctx->dxva2.cfg->ConfigResidDiffAccelerator)
#define DXVA_CONTEXT_VALID(avctx, ctx)          (DXVA_CONTEXT_DECODER(avctx, ctx) && \
                                                 DXVA_CONTEXT_CFG(avctx, ctx)     && \
                                                 (ff_dxva2_is_d3d11(avctx) || ctx->dxva2.surface_count))
#elif CONFIG_DXVA2
#define DXVA_CONTEXT_WORKAROUND(avctx, ctx)     (ctx->dxva2.workaround)
#define DXVA_CONTEXT_COUNT(avctx, ctx)          (ctx->dxva2.surface_count)
#define DXVA_CONTEXT_DECODER(avctx, ctx)        (ctx->dxva2.decoder)
#define DXVA_CONTEXT_REPORT_ID(avctx, ctx)      (*(&ctx->dxva2.report_id))
#define DXVA_CONTEXT_CFG(avctx, ctx)            (ctx->dxva2.cfg)
#define DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx)  (ctx->dxva2.cfg->ConfigBitstreamRaw)
#define DXVA_CONTEXT_CFG_INTRARESID(avctx, ctx) (ctx->dxva2.cfg->ConfigIntraResidUnsigned)
#define DXVA_CONTEXT_CFG_RESIDACCEL(avctx, ctx) (ctx->dxva2.cfg->ConfigResidDiffAccelerator)
#define DXVA_CONTEXT_VALID(avctx, ctx)          (ctx->dxva2.decoder && ctx->dxva2.cfg && ctx->dxva2.surface_count)
#elif CONFIG_D3D11VA
#define DXVA_CONTEXT_WORKAROUND(avctx, ctx)     (ctx->d3d11va.workaround)
#define DXVA_CONTEXT_COUNT(avctx, ctx)          (ctx->d3d11va.surface_count)
#define DXVA_CONTEXT_DECODER(avctx, ctx)        (ctx->d3d11va.decoder)
#define DXVA_CONTEXT_REPORT_ID(avctx, ctx)      (*(&ctx->d3d11va.report_id))
#define DXVA_CONTEXT_CFG(avctx, ctx)            (ctx->d3d11va.cfg)
#define DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx)  (ctx->d3d11va.cfg->ConfigBitstreamRaw)
#define DXVA_CONTEXT_CFG_INTRARESID(avctx, ctx) (ctx->d3d11va.cfg->ConfigIntraResidUnsigned)
#define DXVA_CONTEXT_CFG_RESIDACCEL(avctx, ctx) (ctx->d3d11va.cfg->ConfigResidDiffAccelerator)
#define DXVA_CONTEXT_VALID(avctx, ctx)          (ctx->d3d11va.decoder && ctx->d3d11va.cfg)
#endif

unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx,
                                    const AVDXVAContext *,
                                    const AVFrame *frame);

int ff_dxva2_commit_buffer(AVCodecContext *, AVDXVAContext *,
                           DECODER_BUFFER_DESC *,
                           unsigned type, const void *data, unsigned size,
                           unsigned mb_count);


int ff_dxva2_common_end_frame(AVCodecContext *, AVFrame *,
                              const void *pp, unsigned pp_size,
                              const void *qm, unsigned qm_size,
                              int (*commit_bs_si)(AVCodecContext *,
                                                  DECODER_BUFFER_DESC *bs,
                                                  DECODER_BUFFER_DESC *slice));

int ff_dxva2_decode_init(AVCodecContext *avctx);

int ff_dxva2_decode_uninit(AVCodecContext *avctx);

int ff_dxva2_common_frame_params(AVCodecContext *avctx,
                                 AVBufferRef *hw_frames_ctx);

int ff_dxva2_is_d3d11(const AVCodecContext *avctx);

#endif /* AVCODEC_DXVA2_INTERNAL_H */