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vdpau_internal.h
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1 /*
2  * Video Decode and Presentation API for UNIX (VDPAU) is used for
3  * HW decode acceleration for MPEG-1/2, H.264 and VC-1.
4  *
5  * Copyright (C) 2008 NVIDIA
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_VDPAU_INTERNAL_H
25 #define AVCODEC_VDPAU_INTERNAL_H
26 
27 #include "config.h"
28 #include <stdint.h>
29 #if CONFIG_VDPAU
30 #include <vdpau/vdpau.h>
31 #endif
32 #include "h264.h"
33 
34 #include "avcodec.h"
35 #include "mpeg4video.h"
36 #include "mpegvideo.h"
37 #include "version.h"
38 
39 /** Extract VdpVideoSurface from an AVFrame */
40 static inline uintptr_t ff_vdpau_get_surface_id(AVFrame *pic)
41 {
42  return (uintptr_t)pic->data[3];
43 }
44 
45 struct vdpau_picture_context;
46 #if CONFIG_VDPAU
47 #if !FF_API_BUFS_VDPAU
48 union AVVDPAUPictureInfo {
49  VdpPictureInfoH264 h264;
50  VdpPictureInfoMPEG1Or2 mpeg;
51  VdpPictureInfoVC1 vc1;
52  VdpPictureInfoMPEG4Part2 mpeg4;
53 };
54 #else
55 #include "vdpau.h"
56 #endif
57 
58 typedef struct VDPAUHWContext {
59  AVVDPAUContext context;
60  VdpDevice device;
61  VdpGetProcAddress *get_proc_address;
62  char reset;
63  unsigned char flags;
64 } VDPAUHWContext;
65 
66 typedef struct VDPAUContext {
67  /**
68  * VDPAU device handle
69  */
70  VdpDevice device;
71 
72  /**
73  * VDPAU decoder handle
74  */
75  VdpDecoder decoder;
76 
77  /**
78  * VDPAU device driver
79  */
80  VdpGetProcAddress *get_proc_address;
81 
82  /**
83  * VDPAU decoder render callback
84  */
85  VdpDecoderRender *render;
86 
87  uint32_t width;
88  uint32_t height;
89 } VDPAUContext;
90 
91 struct vdpau_picture_context {
92  /**
93  * VDPAU picture information.
94  */
95  union AVVDPAUPictureInfo info;
96 
97  /**
98  * Allocated size of the bitstream_buffers table.
99  */
100  int bitstream_buffers_allocated;
101 
102  /**
103  * Useful bitstream buffers in the bitstream buffers table.
104  */
105  int bitstream_buffers_used;
106 
107  /**
108  * Table of bitstream buffers.
109  */
110  VdpBitstreamBuffer *bitstream_buffers;
111 };
112 
113 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
114  int level);
115 #endif //CONFIG_VDPAU
116 
118 
119 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic,
120  const uint8_t *buffer, uint32_t size);
122  struct vdpau_picture_context *pic);
124 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic, const uint8_t *buf,
125  uint32_t buf_size);
126 
127 
129  int buf_size);
130 
132  int buf_size, int slice_count);
133 
137 
139  int buf_size);
140 
142  int buf_size);
143 
144 #endif /* AVCODEC_VDPAU_INTERNAL_H */