2 * DXVA2 HW acceleration
4 * copyright (c) 2010 Laurent Aimar
6 * This file is part of FFmpeg.
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.
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.
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
23 #ifndef AVCODEC_DXVA2_INTERNAL_H
24 #define AVCODEC_DXVA2_INTERNAL_H
30 /* define the proper COM entries before forcing desktop APIs */
35 #include "libavutil/hwcontext_dxva2.h"
39 #include "libavutil/hwcontext_d3d11va.h"
42 /* When targeting WINAPI_FAMILY_PHONE_APP or WINAPI_FAMILY_APP, dxva.h
43 * defines nothing. Force the struct definitions to be visible. */
45 #define WINAPI_FAMILY WINAPI_FAMILY_DESKTOP_APP
46 #undef _CRT_BUILD_DESKTOP_APP
47 #define _CRT_BUILD_DESKTOP_APP 0
51 #include "libavutil/hwcontext.h"
56 typedef void DECODER_BUFFER_DESC;
60 struct AVD3D11VAContext d3d11va;
63 struct dxva_context dxva2;
67 typedef struct FFDXVASharedContext {
68 AVBufferRef *decoder_ref;
70 // FF_DXVA2_WORKAROUND_* flags
73 // E.g. AV_PIX_FMT_D3D11 (same as AVCodecContext.pix_fmt, except during init)
74 enum AVPixelFormat pix_fmt;
76 AVHWDeviceContext *device_ctx;
79 ID3D11VideoDecoder *d3d11_decoder;
80 D3D11_VIDEO_DECODER_CONFIG d3d11_config;
81 ID3D11VideoDecoderOutputView **d3d11_views;
83 ID3D11Texture2D *d3d11_texture;
87 IDirectXVideoDecoder *dxva2_decoder;
88 IDirectXVideoDecoderService *dxva2_service;
89 DXVA2_ConfigPictureDecode dxva2_config;
92 // Legacy (but used by code outside of setup)
93 // In generic mode, DXVA_CONTEXT() will return a pointer to this.
95 } FFDXVASharedContext;
97 #define DXVA_SHARED_CONTEXT(avctx) ((FFDXVASharedContext *)((avctx)->internal->hwaccel_priv_data))
99 #define DXVA_CONTEXT(avctx) (AVDXVAContext *)((avctx)->hwaccel_context ? (avctx)->hwaccel_context : (&(DXVA_SHARED_CONTEXT(avctx)->ctx)))
101 #define D3D11VA_CONTEXT(ctx) (&ctx->d3d11va)
102 #define DXVA2_CONTEXT(ctx) (&ctx->dxva2)
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))
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)
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)
138 unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx,
139 const AVDXVAContext *,
140 const AVFrame *frame);
142 int ff_dxva2_commit_buffer(AVCodecContext *, AVDXVAContext *,
143 DECODER_BUFFER_DESC *,
144 unsigned type, const void *data, unsigned size,
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));
155 int ff_dxva2_decode_init(AVCodecContext *avctx);
157 int ff_dxva2_decode_uninit(AVCodecContext *avctx);
159 int ff_dxva2_common_frame_params(AVCodecContext *avctx,
160 AVBufferRef *hw_frames_ctx);
162 int ff_dxva2_is_d3d11(const AVCodecContext *avctx);
164 #endif /* AVCODEC_DXVA2_INTERNAL_H */