FFmpeg: libavcodec/dxva2_internal.h Source File

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) ? ctx->d3d11va.decoder : 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) ? ctx->d3d11va.cfg : 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 */
AVHWDeviceContext
This struct aggregates all the (hardware/vendor-specific) "high-level" state, i.e.
Definition: hwcontext.h:60
ff_dxva2_decode_init
int ff_dxva2_decode_init(AVCodecContext *avctx)
Definition: dxva2.c:649
AVD3D11VAContext
This structure is used to provides the necessary configurations and data to the Direct3D11 FFmpeg HWA...
Definition: d3d11va.h:59
ff_dxva2_common_frame_params
int ff_dxva2_common_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)
Definition: dxva2.c:586
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:218
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:791
data
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
hwcontext_d3d11va.h
An API-specific header for AV_HWDEVICE_TYPE_D3D11VA.
hwcontext_dxva2.h
An API-specific header for AV_HWDEVICE_TYPE_DXVA2.
d3d11va.h
Public libavcodec D3D11VA header.
ff_dxva2_get_surface_index
unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx, const AVDXVAContext *, const AVFrame *frame)
Definition: dxva2.c:764
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:880
frame
static AVFrame * frame
Definition: demuxing_decoding.c:53
size
ptrdiff_t size
Definition: opengl_enc.c:101
FFDXVASharedContext::device_ctx
AVHWDeviceContext * device_ctx
Definition: dxva2_internal.h:76
FFDXVASharedContext::pix_fmt
enum AVPixelFormat pix_fmt
Definition: dxva2_internal.h:74
dxva2.h
Public libavcodec DXVA2 header.
avcodec.h
Libavcodec external API header.
AVCodecContext
main external API structure.
Definition: avcodec.h:1518
type
GLint GLenum type
Definition: opengl_enc.c:105
DECODER_BUFFER_DESC
void DECODER_BUFFER_DESC
Definition: dxva2_internal.h:56
FFDXVASharedContext::decoder_ref
AVBufferRef * decoder_ref
Definition: dxva2_internal.h:68
AVBufferRef
A reference to a data buffer.
Definition: buffer.h:81
internal.h
common internal api header.
FFDXVASharedContext::ctx
AVDXVAContext ctx
Definition: dxva2_internal.h:94
ff_dxva2_decode_uninit
int ff_dxva2_decode_uninit(AVCodecContext *avctx)
Definition: dxva2.c:724
ff_dxva2_is_d3d11
int ff_dxva2_is_d3d11(const AVCodecContext *avctx)
Definition: dxva2.c:1045
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
dxva_context
This structure is used to provides the necessary configurations and data to the DXVA2 FFmpeg HWAccel ...
Definition: dxva2.h:57
Generated on Sun May 13 2018 02:03:45 for FFmpeg by   doxygen 1.8.6

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