Libav
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 Libav.
8  *
9  * Libav 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  * Libav 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 Libav; 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 
32 #include "avcodec.h"
33 #include "vdpau.h"
34 
36 static inline uintptr_t ff_vdpau_get_surface_id(AVFrame *pic)
37 {
38  return (uintptr_t)pic->data[3];
39 }
40 
42  VdpPictureInfoH264 h264;
43  VdpPictureInfoMPEG1Or2 mpeg;
44  VdpPictureInfoVC1 vc1;
45  VdpPictureInfoMPEG4Part2 mpeg4;
46 #ifdef VDP_DECODER_PROFILE_H264_HIGH_444_PREDICTIVE
47  VdpPictureInfoH264Predictive h264_predictive;
48 #endif
49 #ifdef VDP_DECODER_PROFILE_HEVC_MAIN
50  VdpPictureInfoHEVC hevc;
51 #endif
52 };
53 
54 typedef struct VDPAUHWContext {
56  VdpDevice device;
57  VdpGetProcAddress *get_proc_address;
58  char reset;
59  unsigned char flags;
61 
62 typedef struct VDPAUContext {
66  VdpDevice device;
67 
71  VdpDecoder decoder;
72 
76  VdpGetProcAddress *get_proc_address;
77 
81  VdpDecoderRender *render;
82 
83  uint32_t width;
84  uint32_t height;
85 } VDPAUContext;
86 
91  union VDPAUPictureInfo info;
92 
97 
102 
106  VdpBitstreamBuffer *bitstream_buffers;
107 };
108 
109 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
110  int level);
112 
114  const uint8_t *buffer, uint32_t size);
116  struct vdpau_picture_context *pic);
118 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic, const uint8_t *buf,
119  uint32_t buf_size);
120 
121 #endif /* AVCODEC_VDPAU_INTERNAL_H */
int size
This structure describes decoded (raw) audio or video data.
Definition: frame.h:140
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.
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:210
uint8_t
VdpPictureInfoH264 h264
VdpGetProcAddress * get_proc_address
VDPAU device driver.
AVVDPAUContext context
VdpDevice device
int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile, int level)
Definition: vdpau.c:103
VdpPictureInfoMPEG4Part2 mpeg4
This structure is used to share data between the libavcodec library and the client video application...
Definition: vdpau.h:82
VdpPictureInfoMPEG1Or2 mpeg
int bitstream_buffers_allocated
Allocated size of the bitstream_buffers table.
reference-counted frame API
uint32_t width
VdpPictureInfoVC1 vc1
Libavcodec external API header.
int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
main external API structure.
Definition: avcodec.h:1409
VdpDecoderRender * render
VDPAU decoder render callback.
mfxU16 profile
Definition: qsvenc.c:43
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:146
uint8_t level
Definition: svq3.c:204
int ff_vdpau_add_buffer(struct vdpau_picture_context *pic, const uint8_t *buf, uint32_t buf_size)
Definition: vdpau.c:297
unsigned char flags
int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame, struct vdpau_picture_context *pic)
Definition: vdpau.c:258
uint32_t height
static uintptr_t ff_vdpau_get_surface_id(AVFrame *pic)
Extract VdpVideoSurface from an AVFrame.