2 * This file is part of Libav.
4 * Libav is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * Libav is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #ifndef AVCODEC_VAAPI_DECODE_H
20 #define AVCODEC_VAAPI_DECODE_H
24 #include "libavutil/frame.h"
25 #include "libavutil/hwcontext.h"
26 #include "libavutil/hwcontext_vaapi.h"
27 #include "libavutil/internal.h"
32 #if FF_API_VAAPI_CONTEXT
36 static inline VASurfaceID ff_vaapi_get_surface_id(AVFrame *pic)
38 return (uintptr_t)pic->data[3];
42 MAX_PARAM_BUFFERS = 16,
45 typedef struct VAAPIDecodePicture {
46 VASurfaceID output_surface;
49 VABufferID param_buffers[MAX_PARAM_BUFFERS];
52 VABufferID *slice_buffers;
56 typedef struct VAAPIDecodeContext {
58 VAContextID va_context;
60 #if FF_API_VAAPI_CONTEXT
61 FF_DISABLE_DEPRECATION_WARNINGS
63 struct vaapi_context *old_context;
64 AVBufferRef *device_ref;
65 FF_ENABLE_DEPRECATION_WARNINGS
68 AVHWDeviceContext *device;
69 AVVAAPIDeviceContext *hwctx;
71 AVHWFramesContext *frames;
72 AVVAAPIFramesContext *hwfc;
74 enum AVPixelFormat surface_format;
79 int ff_vaapi_decode_make_param_buffer(AVCodecContext *avctx,
80 VAAPIDecodePicture *pic,
85 int ff_vaapi_decode_make_slice_buffer(AVCodecContext *avctx,
86 VAAPIDecodePicture *pic,
87 const void *params_data,
89 const void *slice_data,
92 int ff_vaapi_decode_issue(AVCodecContext *avctx,
93 VAAPIDecodePicture *pic);
94 int ff_vaapi_decode_cancel(AVCodecContext *avctx,
95 VAAPIDecodePicture *pic);
97 int ff_vaapi_decode_init(AVCodecContext *avctx);
98 int ff_vaapi_decode_uninit(AVCodecContext *avctx);
100 int ff_vaapi_common_frame_params(AVCodecContext *avctx,
101 AVBufferRef *hw_frames_ctx);
103 #endif /* AVCODEC_VAAPI_DECODE_H */