FFmpeg  4.0
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 <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 };
55 
56 typedef struct VDPAUHWContext {
58  VdpDevice device;
59  VdpGetProcAddress *get_proc_address;
60  char reset;
61  unsigned char flags;
63 
64 typedef struct VDPAUContext {
65  /**
66  * VDPAU device handle
67  */
68  VdpDevice device;
69 
70  /**
71  * VDPAU decoder handle
72  */
73  VdpDecoder decoder;
74 
75  /**
76  * VDPAU device driver
77  */
78  VdpGetProcAddress *get_proc_address;
79 
80  /**
81  * VDPAU decoder render callback
82  */
83  VdpDecoderRender *render;
84 
85  uint32_t width;
86  uint32_t height;
87 } VDPAUContext;
88 
90  /**
91  * VDPAU picture information.
92  */
93  union VDPAUPictureInfo info;
94 
95  /**
96  * Allocated size of the bitstream_buffers table.
97  */
99 
100  /**
101  * Useful bitstream buffers in the bitstream buffers table.
102  */
104 
105  /**
106  * Table of bitstream buffers.
107  */
108  VdpBitstreamBuffer *bitstream_buffers;
109 };
110 
111 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
112  int level);
114 
116  const uint8_t *buffer, uint32_t size);
118  struct vdpau_picture_context *pic);
120 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic, const uint8_t *buf,
121  uint32_t buf_size);
123  AVBufferRef *hw_frames_ctx);
124 
125 #endif /* AVCODEC_VDPAU_INTERNAL_H */
int size
This structure describes decoded (raw) audio or video data.
Definition: frame.h:218
VdpDevice device
VDPAU device handle.
VdpGetProcAddress * get_proc_address
VdpDecoder decoder
VDPAU decoder handle.
int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic, const uint8_t *buffer, uint32_t size)
int bitstream_buffers_used
Useful bitstream buffers in the bitstream buffers table.
Public libavcodec VDPAU header.
An API-specific header for AV_HWDEVICE_TYPE_VDPAU.
VdpBitstreamBuffer * bitstream_buffers
Table of bitstream buffers.
static char buffer[20]
Definition: seek.c:32
int ff_vdpau_common_uninit(AVCodecContext *avctx)
Definition: vdpau.c:280
uint8_t
VdpPictureInfoH264 h264
VdpGetProcAddress * get_proc_address
VDPAU device driver.
static AVFrame * frame
AVVDPAUContext context
VdpDevice device
int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile, int level)
Definition: vdpau.c:133
VdpPictureInfoMPEG4Part2 mpeg4
This structure is used to share data between the libavcodec library and the client video application...
Definition: vdpau.h:81
VdpPictureInfoMPEG1Or2 mpeg
int bitstream_buffers_allocated
Allocated size of the bitstream_buffers table.
reference-counted frame API
uint32_t width
int ff_vdpau_common_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)
Definition: vdpau.c:114
VdpPictureInfoVC1 vc1
Libavcodec external API header.
int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
main external API structure.
Definition: avcodec.h:1518
void * buf
Definition: avisynth_c.h:690
VdpDecoderRender * render
VDPAU decoder render callback.
mfxU16 profile
Definition: qsvenc.c:44
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:232
uint8_t level
Definition: svq3.c:207
A reference to a data buffer.
Definition: buffer.h:81
int ff_vdpau_add_buffer(struct vdpau_picture_context *pic, const uint8_t *buf, uint32_t buf_size)
Definition: vdpau.c:373
unsigned char flags
int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame, struct vdpau_picture_context *pic)
Definition: vdpau.c:328
uint32_t height
static uintptr_t ff_vdpau_get_surface_id(AVFrame *pic)
Extract VdpVideoSurface from an AVFrame.