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1 | /* |
2 | * Video Acceleration API (video decoding) | |
3 | * HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1 | |
4 | * | |
5 | * Copyright (C) 2008-2009 Splitted-Desktop Systems | |
6 | * | |
7 | * This file is part of FFmpeg. | |
8 | * | |
9 | * FFmpeg is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU Lesser General Public | |
11 | * License as published by the Free Software Foundation; either | |
12 | * version 2.1 of the License, or (at your option) any later version. | |
13 | * | |
14 | * FFmpeg is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * Lesser General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU Lesser General Public | |
20 | * License along with FFmpeg; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
22 | */ | |
23 | ||
24 | #ifndef AVCODEC_VAAPI_INTERNAL_H | |
25 | #define AVCODEC_VAAPI_INTERNAL_H | |
26 | ||
27 | #include <va/va.h> | |
28 | #include "vaapi.h" | |
29 | #include "avcodec.h" | |
30 | #include "mpegvideo.h" | |
31 | ||
32 | /** | |
33 | * @addtogroup VAAPI_Decoding | |
34 | * | |
35 | * @{ | |
36 | */ | |
37 | ||
38 | /** Extract VASurfaceID from an AVFrame */ | |
39 | static inline VASurfaceID ff_vaapi_get_surface_id(AVFrame *pic) | |
40 | { | |
41 | return (uintptr_t)pic->data[3]; | |
42 | } | |
43 | ||
44 | /** Common AVHWAccel.end_frame() implementation */ | |
45 | void ff_vaapi_common_end_frame(AVCodecContext *avctx); | |
46 | ||
47 | /** Allocate a new picture parameter buffer */ | |
48 | void *ff_vaapi_alloc_pic_param(struct vaapi_context *vactx, unsigned int size); | |
49 | ||
50 | /** Allocate a new IQ matrix buffer */ | |
51 | void *ff_vaapi_alloc_iq_matrix(struct vaapi_context *vactx, unsigned int size); | |
52 | ||
53 | /** Allocate a new bit-plane buffer */ | |
54 | uint8_t *ff_vaapi_alloc_bitplane(struct vaapi_context *vactx, uint32_t size); | |
55 | ||
56 | /** | |
57 | * Allocate a new slice descriptor for the input slice. | |
58 | * | |
59 | * @param vactx the VA API context | |
60 | * @param buffer the slice data buffer base | |
61 | * @param size the size of the slice in bytes | |
62 | * @return the newly allocated slice parameter | |
63 | */ | |
64 | VASliceParameterBufferBase *ff_vaapi_alloc_slice(struct vaapi_context *vactx, const uint8_t *buffer, uint32_t size); | |
65 | ||
66 | int ff_vaapi_mpeg_end_frame(AVCodecContext *avctx); | |
67 | int ff_vaapi_commit_slices(struct vaapi_context *vactx); | |
68 | int ff_vaapi_render_picture(struct vaapi_context *vactx, VASurfaceID surface); | |
69 | ||
70 | /* @} */ | |
71 | ||
72 | #endif /* AVCODEC_VAAPI_INTERNAL_H */ |