1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg 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.
8 *
9 * FFmpeg 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.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #ifndef AVCODEC_VAAPI_DECODE_H
20 #define AVCODEC_VAAPI_DECODE_H
21
22 #include <va/va.h>
23
24 #include "libavutil/frame.h"
25 #include "libavutil/hwcontext.h"
26 #include "libavutil/hwcontext_vaapi.h"
27
28 #include "avcodec.h"
29
30 #include "version.h"
31 #if FF_API_STRUCT_VAAPI_CONTEXT
32 #include "vaapi.h"
33 #endif
34
ff_vaapi_get_surface_id(AVFrame * pic)35 static inline VASurfaceID ff_vaapi_get_surface_id(AVFrame *pic)
36 {
37 return (uintptr_t)pic->data[3];
38 }
39
40 enum {
41 MAX_PARAM_BUFFERS = 16,
42 };
43
44 typedef struct VAAPIDecodePicture {
45 VASurfaceID output_surface;
46
47 int nb_param_buffers;
48 VABufferID param_buffers[MAX_PARAM_BUFFERS];
49
50 int nb_slices;
51 VABufferID *slice_buffers;
52 int slices_allocated;
53 } VAAPIDecodePicture;
54
55 typedef struct VAAPIDecodeContext {
56 VAConfigID va_config;
57 VAContextID va_context;
58
59 #if FF_API_STRUCT_VAAPI_CONTEXT
60 FF_DISABLE_DEPRECATION_WARNINGS
61 int have_old_context;
62 struct vaapi_context *old_context;
63 AVBufferRef *device_ref;
64 FF_ENABLE_DEPRECATION_WARNINGS
65 #endif
66
67 AVHWDeviceContext *device;
68 AVVAAPIDeviceContext *hwctx;
69
70 AVHWFramesContext *frames;
71 AVVAAPIFramesContext *hwfc;
72
73 enum AVPixelFormat surface_format;
74 int surface_count;
75
76 VASurfaceAttrib pixel_format_attribute;
77 } VAAPIDecodeContext;
78
79
80 int ff_vaapi_decode_make_param_buffer(AVCodecContext *avctx,
81 VAAPIDecodePicture *pic,
82 int type,
83 const void *data,
84 size_t size);
85
86 int ff_vaapi_decode_make_slice_buffer(AVCodecContext *avctx,
87 VAAPIDecodePicture *pic,
88 const void *params_data,
89 size_t params_size,
90 const void *slice_data,
91 size_t slice_size);
92
93 int ff_vaapi_decode_issue(AVCodecContext *avctx,
94 VAAPIDecodePicture *pic);
95 int ff_vaapi_decode_cancel(AVCodecContext *avctx,
96 VAAPIDecodePicture *pic);
97
98 int ff_vaapi_decode_init(AVCodecContext *avctx);
99 int ff_vaapi_decode_uninit(AVCodecContext *avctx);
100
101 int ff_vaapi_common_frame_params(AVCodecContext *avctx,
102 AVBufferRef *hw_frames_ctx);
103
104 #endif /* AVCODEC_VAAPI_DECODE_H */
105