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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 
33 #include "libavutil/frame.h"
34 
35 #include "avcodec.h"
36 
37 /** Extract VdpVideoSurface from an AVFrame */
38 static inline uintptr_t ff_vdpau_get_surface_id(AVFrame *pic)
39 {
40  return (uintptr_t)pic->data[3];
41 }
42 
43 struct vdpau_picture_context;
44 #if CONFIG_VDPAU
45 union VDPAUPictureInfo {
46  VdpPictureInfoH264 h264;
47  VdpPictureInfoMPEG1Or2 mpeg;
48  VdpPictureInfoVC1 vc1;
49  VdpPictureInfoMPEG4Part2 mpeg4;
50 #ifdef VDP_DECODER_PROFILE_H264_HIGH_444_PREDICTIVE
51  VdpPictureInfoH264Predictive h264_predictive;
52 #endif
53 };
54 
55 #include "vdpau.h"
56 
57 typedef struct VDPAUHWContext {
58  AVVDPAUContext context;
59  VdpDevice device;
60  VdpGetProcAddress *get_proc_address;
61  char reset;
62  unsigned char flags;
63 } VDPAUHWContext;
64 
65 typedef struct VDPAUContext {
66  /**
67  * VDPAU device handle
68  */
69  VdpDevice device;
70 
71  /**
72  * VDPAU decoder handle
73  */
74  VdpDecoder decoder;
75 
76  /**
77  * VDPAU device driver
78  */
79  VdpGetProcAddress *get_proc_address;
80 
81  /**
82  * VDPAU decoder render callback
83  */
84  VdpDecoderRender *render;
85 
86  uint32_t width;
87  uint32_t height;
88 } VDPAUContext;
89 
90 struct vdpau_picture_context {
91  /**
92  * VDPAU picture information.
93  */
94  union VDPAUPictureInfo info;
95 
96  /**
97  * Allocated size of the bitstream_buffers table.
98  */
99  int bitstream_buffers_allocated;
100 
101  /**
102  * Useful bitstream buffers in the bitstream buffers table.
103  */
104  int bitstream_buffers_used;
105 
106  /**
107  * Table of bitstream buffers.
108  */
109  VdpBitstreamBuffer *bitstream_buffers;
110 };
111 
112 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
113  int level);
114 #endif //CONFIG_VDPAU
115 
117 
118 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic,
119  const uint8_t *buffer, uint32_t size);
121  struct vdpau_picture_context *pic);
123 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic, const uint8_t *buf,
124  uint32_t buf_size);
125 
126 #endif /* AVCODEC_VDPAU_INTERNAL_H */
This structure describes decoded (raw) audio or video data.
Definition: frame.h:171
VdpDevice device
Definition: ffmpeg_vdpau.c:38
VdpDecoder decoder
Definition: ffmpeg_vdpau.c:39
int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic, const uint8_t *buffer, uint32_t size)
Public libavcodec VDPAU header.
int ff_vdpau_common_uninit(AVCodecContext *avctx)
Definition: vdpau.c:229
uint8_t
VdpGetProcAddress * get_proc_address
Definition: ffmpeg_vdpau.c:40
static AVFrame * frame
ptrdiff_t size
Definition: opengl_enc.c:101
int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile, int level)
Definition: vdpau.c:115
This structure is used to share data between the libavcodec library and the client video application...
Definition: vdpau.h:90
int profile
Definition: mxfenc.c:1804
Libavcodec external API header.
reference-counted frame API
int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
main external API structure.
Definition: avcodec.h:1241
void * buf
Definition: avisynth_c.h:553
BYTE int const BYTE int int int height
Definition: avisynth_c.h:676
static int flags
Definition: cpu.c:47
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:182
uint8_t level
Definition: svq3.c:150
int ff_vdpau_add_buffer(struct vdpau_picture_context *pic, const uint8_t *buf, uint32_t buf_size)
Definition: vdpau.c:340
int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame, struct vdpau_picture_context *pic)
Definition: vdpau.c:277
GLuint buffer
Definition: opengl_enc.c:102
static uintptr_t ff_vdpau_get_surface_id(AVFrame *pic)
Extract VdpVideoSurface from an AVFrame.
static int width