FFmpeg
dxva2_internal.h
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1 /*
2  * DXVA2 HW acceleration
3  *
4  * copyright (c) 2010 Laurent Aimar
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #ifndef AVCODEC_DXVA2_INTERNAL_H
24 #define AVCODEC_DXVA2_INTERNAL_H
25 
26 #define COBJMACROS
27 
28 #include "config.h"
29 
30 /* define the proper COM entries before forcing desktop APIs */
31 #include <objbase.h>
32 
33 #if CONFIG_DXVA2
34 #include "dxva2.h"
35 #include "libavutil/hwcontext_dxva2.h"
36 #endif
37 #if CONFIG_D3D11VA
38 #include "d3d11va.h"
39 #include "libavutil/hwcontext_d3d11va.h"
40 #endif
41 #if HAVE_DXVA_H
42 /* When targeting WINAPI_FAMILY_PHONE_APP or WINAPI_FAMILY_APP, dxva.h
43  * defines nothing. Force the struct definitions to be visible. */
44 #undef WINAPI_FAMILY
45 #define WINAPI_FAMILY WINAPI_FAMILY_DESKTOP_APP
46 #undef _CRT_BUILD_DESKTOP_APP
47 #define _CRT_BUILD_DESKTOP_APP 0
48 #include <dxva.h>
49 #endif
50 
51 #include "libavutil/hwcontext.h"
52 
53 #include "avcodec.h"
54 #include "internal.h"
55 
56 typedef void DECODER_BUFFER_DESC;
57 
58 typedef union {
59 #if CONFIG_D3D11VA
60  struct AVD3D11VAContext d3d11va;
61 #endif
62 #if CONFIG_DXVA2
63  struct dxva_context dxva2;
64 #endif
65 } AVDXVAContext;
66 
67 typedef struct FFDXVASharedContext {
68  AVBufferRef *decoder_ref;
69 
70  // FF_DXVA2_WORKAROUND_* flags
71  uint64_t workaround;
72 
73  // E.g. AV_PIX_FMT_D3D11 (same as AVCodecContext.pix_fmt, except during init)
74  enum AVPixelFormat pix_fmt;
75 
76  AVHWDeviceContext *device_ctx;
77 
78 #if CONFIG_D3D11VA
79  ID3D11VideoDecoder *d3d11_decoder;
80  D3D11_VIDEO_DECODER_CONFIG d3d11_config;
81  ID3D11VideoDecoderOutputView **d3d11_views;
82  int nb_d3d11_views;
83  ID3D11Texture2D *d3d11_texture;
84 #endif
85 
86 #if CONFIG_DXVA2
87  IDirectXVideoDecoder *dxva2_decoder;
88  IDirectXVideoDecoderService *dxva2_service;
89  DXVA2_ConfigPictureDecode dxva2_config;
90 #endif
91 
92  // Legacy (but used by code outside of setup)
93  // In generic mode, DXVA_CONTEXT() will return a pointer to this.
94  AVDXVAContext ctx;
95 } FFDXVASharedContext;
96 
97 #define DXVA_SHARED_CONTEXT(avctx) ((FFDXVASharedContext *)((avctx)->internal->hwaccel_priv_data))
98 
99 #define DXVA_CONTEXT(avctx) (AVDXVAContext *)((avctx)->hwaccel_context ? (avctx)->hwaccel_context : (&(DXVA_SHARED_CONTEXT(avctx)->ctx)))
100 
101 #define D3D11VA_CONTEXT(ctx) (&ctx->d3d11va)
102 #define DXVA2_CONTEXT(ctx) (&ctx->dxva2)
103 
104 #if CONFIG_D3D11VA && CONFIG_DXVA2
105 #define DXVA_CONTEXT_WORKAROUND(avctx, ctx) (ff_dxva2_is_d3d11(avctx) ? ctx->d3d11va.workaround : ctx->dxva2.workaround)
106 #define DXVA_CONTEXT_COUNT(avctx, ctx) (ff_dxva2_is_d3d11(avctx) ? ctx->d3d11va.surface_count : ctx->dxva2.surface_count)
107 #define DXVA_CONTEXT_DECODER(avctx, ctx) (ff_dxva2_is_d3d11(avctx) ? (void *)ctx->d3d11va.decoder : (void *)ctx->dxva2.decoder)
108 #define DXVA_CONTEXT_REPORT_ID(avctx, ctx) (*(ff_dxva2_is_d3d11(avctx) ? &ctx->d3d11va.report_id : &ctx->dxva2.report_id))
109 #define DXVA_CONTEXT_CFG(avctx, ctx) (ff_dxva2_is_d3d11(avctx) ? (void *)ctx->d3d11va.cfg : (void *)ctx->dxva2.cfg)
110 #define DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) (ff_dxva2_is_d3d11(avctx) ? ctx->d3d11va.cfg->ConfigBitstreamRaw : ctx->dxva2.cfg->ConfigBitstreamRaw)
111 #define DXVA_CONTEXT_CFG_INTRARESID(avctx, ctx) (ff_dxva2_is_d3d11(avctx) ? ctx->d3d11va.cfg->ConfigIntraResidUnsigned : ctx->dxva2.cfg->ConfigIntraResidUnsigned)
112 #define DXVA_CONTEXT_CFG_RESIDACCEL(avctx, ctx) (ff_dxva2_is_d3d11(avctx) ? ctx->d3d11va.cfg->ConfigResidDiffAccelerator : ctx->dxva2.cfg->ConfigResidDiffAccelerator)
113 #define DXVA_CONTEXT_VALID(avctx, ctx) (DXVA_CONTEXT_DECODER(avctx, ctx) && \
114  DXVA_CONTEXT_CFG(avctx, ctx) && \
115  (ff_dxva2_is_d3d11(avctx) || ctx->dxva2.surface_count))
116 #elif CONFIG_DXVA2
117 #define DXVA_CONTEXT_WORKAROUND(avctx, ctx) (ctx->dxva2.workaround)
118 #define DXVA_CONTEXT_COUNT(avctx, ctx) (ctx->dxva2.surface_count)
119 #define DXVA_CONTEXT_DECODER(avctx, ctx) (ctx->dxva2.decoder)
120 #define DXVA_CONTEXT_REPORT_ID(avctx, ctx) (*(&ctx->dxva2.report_id))
121 #define DXVA_CONTEXT_CFG(avctx, ctx) (ctx->dxva2.cfg)
122 #define DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) (ctx->dxva2.cfg->ConfigBitstreamRaw)
123 #define DXVA_CONTEXT_CFG_INTRARESID(avctx, ctx) (ctx->dxva2.cfg->ConfigIntraResidUnsigned)
124 #define DXVA_CONTEXT_CFG_RESIDACCEL(avctx, ctx) (ctx->dxva2.cfg->ConfigResidDiffAccelerator)
125 #define DXVA_CONTEXT_VALID(avctx, ctx) (ctx->dxva2.decoder && ctx->dxva2.cfg && ctx->dxva2.surface_count)
126 #elif CONFIG_D3D11VA
127 #define DXVA_CONTEXT_WORKAROUND(avctx, ctx) (ctx->d3d11va.workaround)
128 #define DXVA_CONTEXT_COUNT(avctx, ctx) (ctx->d3d11va.surface_count)
129 #define DXVA_CONTEXT_DECODER(avctx, ctx) (ctx->d3d11va.decoder)
130 #define DXVA_CONTEXT_REPORT_ID(avctx, ctx) (*(&ctx->d3d11va.report_id))
131 #define DXVA_CONTEXT_CFG(avctx, ctx) (ctx->d3d11va.cfg)
132 #define DXVA_CONTEXT_CFG_BITSTREAM(avctx, ctx) (ctx->d3d11va.cfg->ConfigBitstreamRaw)
133 #define DXVA_CONTEXT_CFG_INTRARESID(avctx, ctx) (ctx->d3d11va.cfg->ConfigIntraResidUnsigned)
134 #define DXVA_CONTEXT_CFG_RESIDACCEL(avctx, ctx) (ctx->d3d11va.cfg->ConfigResidDiffAccelerator)
135 #define DXVA_CONTEXT_VALID(avctx, ctx) (ctx->d3d11va.decoder && ctx->d3d11va.cfg)
136 #endif
137 
138 unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx,
139  const AVDXVAContext *,
140  const AVFrame *frame);
141 
142 int ff_dxva2_commit_buffer(AVCodecContext *, AVDXVAContext *,
143  DECODER_BUFFER_DESC *,
144  unsigned type, const void *data, unsigned size,
145  unsigned mb_count);
146 
147 
148 int ff_dxva2_common_end_frame(AVCodecContext *, AVFrame *,
149  const void *pp, unsigned pp_size,
150  const void *qm, unsigned qm_size,
151  int (*commit_bs_si)(AVCodecContext *,
152  DECODER_BUFFER_DESC *bs,
153  DECODER_BUFFER_DESC *slice));
154 
155 int ff_dxva2_decode_init(AVCodecContext *avctx);
156 
157 int ff_dxva2_decode_uninit(AVCodecContext *avctx);
158 
159 int ff_dxva2_common_frame_params(AVCodecContext *avctx,
160  AVBufferRef *hw_frames_ctx);
161 
162 int ff_dxva2_is_d3d11(const AVCodecContext *avctx);
163 
164 #endif /* AVCODEC_DXVA2_INTERNAL_H */
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
FFDXVASharedContext::pix_fmt
enum AVPixelFormat pix_fmt
Definition: dxva2_internal.h:74
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:340
internal.h
ff_dxva2_common_end_frame
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))
Definition: dxva2.c:886
data
const char data[16]
Definition: mxf.c:148
ff_dxva2_get_surface_index
unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx, const AVDXVAContext *, const AVFrame *frame)
Definition: dxva2.c:770
ff_dxva2_common_frame_params
int ff_dxva2_common_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)
Definition: dxva2.c:592
FFDXVASharedContext::workaround
uint64_t workaround
Definition: dxva2_internal.h:71
FFDXVASharedContext::device_ctx
AVHWDeviceContext * device_ctx
Definition: dxva2_internal.h:76
AVD3D11VAContext
This structure is used to provides the necessary configurations and data to the Direct3D11 FFmpeg HWA...
Definition: d3d11va.h:59
type
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf type
Definition: writing_filters.txt:86
AVHWDeviceContext
This struct aggregates all the (hardware/vendor-specific) "high-level" state, i.e.
Definition: hwcontext.h:61
FFDXVASharedContext::ctx
AVDXVAContext ctx
Definition: dxva2_internal.h:94
frame
static AVFrame * frame
Definition: demux_decode.c:54
ff_dxva2_decode_init
int ff_dxva2_decode_init(AVCodecContext *avctx)
Definition: dxva2.c:655
FFDXVASharedContext
Definition: dxva2_internal.h:67
dxva_context
This structure is used to provides the necessary configurations and data to the DXVA2 FFmpeg HWAccel ...
Definition: dxva2.h:57
hwcontext_dxva2.h
size
int size
Definition: twinvq_data.h:10344
AVDXVAContext
Definition: dxva2_internal.h:58
DECODER_BUFFER_DESC
void DECODER_BUFFER_DESC
Definition: dxva2_internal.h:56
ff_dxva2_is_d3d11
int ff_dxva2_is_d3d11(const AVCodecContext *avctx)
Definition: dxva2.c:1051
d3d11va.h
ff_dxva2_commit_buffer
int ff_dxva2_commit_buffer(AVCodecContext *, AVDXVAContext *, DECODER_BUFFER_DESC *, unsigned type, const void *data, unsigned size, unsigned mb_count)
Definition: dxva2.c:797
avcodec.h
dxva2.h
AVCodecContext
main external API structure.
Definition: avcodec.h:441
AVBufferRef
A reference to a data buffer.
Definition: buffer.h:82
hwcontext.h
FFDXVASharedContext::decoder_ref
AVBufferRef * decoder_ref
Definition: dxva2_internal.h:68
hwcontext_d3d11va.h
ff_dxva2_decode_uninit
int ff_dxva2_decode_uninit(AVCodecContext *avctx)
Definition: dxva2.c:730
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