FFmpeg  4.4.5
vdpau_internal.h
Go to the documentation of this file.
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 <stdint.h>
28 #include <vdpau/vdpau.h>
29 
30 #include "libavutil/frame.h"
31 #include "libavutil/hwcontext.h"
33 
34 #include "avcodec.h"
35 #include "vdpau.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 
44  VdpPictureInfoH264 h264;
45  VdpPictureInfoMPEG1Or2 mpeg;
46  VdpPictureInfoVC1 vc1;
47  VdpPictureInfoMPEG4Part2 mpeg4;
48 #ifdef VDP_DECODER_PROFILE_H264_HIGH_444_PREDICTIVE
49  VdpPictureInfoH264Predictive h264_predictive;
50 #endif
51 #ifdef VDP_DECODER_PROFILE_HEVC_MAIN
52  VdpPictureInfoHEVC hevc;
53 #endif
54 #ifdef VDP_YCBCR_FORMAT_Y_U_V_444
55  VdpPictureInfoHEVC444 hevc_444;
56 #endif
57 #ifdef VDP_DECODER_PROFILE_VP9_PROFILE_0
58  VdpPictureInfoVP9 vp9;
59 #endif
60 };
61 
62 typedef struct VDPAUHWContext {
64  VdpDevice device;
65  VdpGetProcAddress *get_proc_address;
66  char reset;
67  unsigned char flags;
69 
70 typedef struct VDPAUContext {
71  /**
72  * VDPAU device handle
73  */
74  VdpDevice device;
75 
76  /**
77  * VDPAU decoder handle
78  */
79  VdpDecoder decoder;
80 
81  /**
82  * VDPAU device driver
83  */
84  VdpGetProcAddress *get_proc_address;
85 
86  /**
87  * VDPAU decoder render callback
88  */
89  VdpDecoderRender *render;
90 
91  uint32_t width;
92  uint32_t height;
93 } VDPAUContext;
94 
96  /**
97  * VDPAU picture information.
98  */
99  union VDPAUPictureInfo info;
100 
101  /**
102  * Allocated size of the bitstream_buffers table.
103  */
105 
106  /**
107  * Useful bitstream buffers in the bitstream buffers table.
108  */
110 
111  /**
112  * Table of bitstream buffers.
113  */
114  VdpBitstreamBuffer *bitstream_buffers;
115 };
116 
117 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
118  int level);
120 
122  const uint8_t *buffer, uint32_t size);
124  struct vdpau_picture_context *pic);
126 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic, const uint8_t *buf,
127  uint32_t buf_size);
129  AVBufferRef *hw_frames_ctx);
130 
131 #endif /* AVCODEC_VDPAU_INTERNAL_H */
uint8_t
Libavcodec external API header.
static AVFrame * frame
reference-counted frame API
int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile, int level)
Definition: vdpau.c:137
int ff_vdpau_common_uninit(AVCodecContext *avctx)
Definition: vdpau.c:288
int ff_vdpau_add_buffer(struct vdpau_picture_context *pic, const uint8_t *buf, uint32_t buf_size)
Definition: vdpau.c:381
int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame, struct vdpau_picture_context *pic)
Definition: vdpau.c:336
int ff_vdpau_common_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)
Definition: vdpau.c:118
An API-specific header for AV_HWDEVICE_TYPE_VDPAU.
mfxU16 profile
Definition: qsvenc.c:45
static char buffer[20]
Definition: seek.c:32
A reference to a data buffer.
Definition: buffer.h:84
main external API structure.
Definition: avcodec.h:536
This structure describes decoded (raw) audio or video data.
Definition: frame.h:318
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:332
This structure is used to share data between the libavcodec library and the client video application.
Definition: vdpau.h:81
VdpDecoder decoder
VDPAU decoder handle.
VdpDevice device
VDPAU device handle.
uint32_t height
uint32_t width
VdpGetProcAddress * get_proc_address
VDPAU device driver.
VdpDecoderRender * render
VDPAU decoder render callback.
unsigned char flags
VdpGetProcAddress * get_proc_address
VdpDevice device
AVVDPAUContext context
union VDPAUPictureInfo info
VDPAU picture information.
VdpBitstreamBuffer * bitstream_buffers
Table of bitstream buffers.
int bitstream_buffers_allocated
Allocated size of the bitstream_buffers table.
int bitstream_buffers_used
Useful bitstream buffers in the bitstream buffers table.
uint8_t level
Definition: svq3.c:206
int size
VdpPictureInfoH264 h264
VdpPictureInfoVC1 vc1
VdpPictureInfoMPEG4Part2 mpeg4
VdpPictureInfoMPEG1Or2 mpeg
Public libavcodec VDPAU header.
int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic, const uint8_t *buffer, uint32_t size)
int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
static uintptr_t ff_vdpau_get_surface_id(AVFrame *pic)
Extract VdpVideoSurface from an AVFrame.