FFmpeg: libavcodec/vdpau_internal.h Source File

FFmpeg
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"
32 #include "libavutil/hwcontext_vdpau.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 
43  union VDPAUPictureInfo {
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 {
57   AVVDPAUContext context;
58   VdpDevice device;
59   VdpGetProcAddress *get_proc_address;
60   char reset;
61   unsigned char flags;
62 } VDPAUHWContext;
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 
89  struct vdpau_picture_context {
90  /**
91  * VDPAU picture information.
92  */
93   union VDPAUPictureInfo info;
94 
95  /**
96  * Allocated size of the bitstream_buffers table.
97  */
98   int bitstream_buffers_allocated;
99 
100  /**
101  * Useful bitstream buffers in the bitstream buffers table.
102  */
103   int bitstream_buffers_used;
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);
113 int ff_vdpau_common_uninit(AVCodecContext *avctx);
114 
115 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic,
116  const uint8_t *buffer, uint32_t size);
117 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
118  struct vdpau_picture_context *pic);
119 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx);
120 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic, const uint8_t *buf,
121  uint32_t buf_size);
122 int ff_vdpau_common_frame_params(AVCodecContext *avctx,
123  AVBufferRef *hw_frames_ctx);
124 
125 #endif /* AVCODEC_VDPAU_INTERNAL_H */
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:218
VDPAUContext::device
VdpDevice device
VDPAU device handle.
Definition: vdpau_internal.h:68
VDPAUHWContext::get_proc_address
VdpGetProcAddress * get_proc_address
Definition: vdpau_internal.h:59
VDPAUContext::decoder
VdpDecoder decoder
VDPAU decoder handle.
Definition: vdpau_internal.h:73
ff_vdpau_common_start_frame
int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic, const uint8_t *buffer, uint32_t size)
vdpau_picture_context::bitstream_buffers_used
int bitstream_buffers_used
Useful bitstream buffers in the bitstream buffers table.
Definition: vdpau_internal.h:103
vdpau.h
Public libavcodec VDPAU header.
hwcontext_vdpau.h
An API-specific header for AV_HWDEVICE_TYPE_VDPAU.
vdpau_picture_context::bitstream_buffers
VdpBitstreamBuffer * bitstream_buffers
Table of bitstream buffers.
Definition: vdpau_internal.h:108
ff_vdpau_common_uninit
int ff_vdpau_common_uninit(AVCodecContext *avctx)
Definition: vdpau.c:280
uint8_t
uint8_t
Definition: audio_convert.c:194
VDPAUPictureInfo::h264
VdpPictureInfoH264 h264
Definition: vdpau_internal.h:44
VDPAUContext::get_proc_address
VdpGetProcAddress * get_proc_address
VDPAU device driver.
Definition: vdpau_internal.h:78
frame
static AVFrame * frame
Definition: demuxing_decoding.c:53
size
ptrdiff_t size
Definition: opengl_enc.c:101
VDPAUHWContext::context
AVVDPAUContext context
Definition: vdpau_internal.h:57
VDPAUHWContext::device
VdpDevice device
Definition: vdpau_internal.h:58
ff_vdpau_common_init
int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile, int level)
Definition: vdpau.c:133
VDPAUPictureInfo::mpeg4
VdpPictureInfoMPEG4Part2 mpeg4
Definition: vdpau_internal.h:47
AVVDPAUContext
This structure is used to share data between the libavcodec library and the client video application...
Definition: vdpau.h:81
VDPAUPictureInfo::mpeg
VdpPictureInfoMPEG1Or2 mpeg
Definition: vdpau_internal.h:45
vdpau_picture_context::bitstream_buffers_allocated
int bitstream_buffers_allocated
Allocated size of the bitstream_buffers table.
Definition: vdpau_internal.h:98
frame.h
reference-counted frame API
VDPAUContext::width
uint32_t width
Definition: vdpau_internal.h:85
ff_vdpau_common_frame_params
int ff_vdpau_common_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)
Definition: vdpau.c:114
VDPAUPictureInfo::vc1
VdpPictureInfoVC1 vc1
Definition: vdpau_internal.h:46
avcodec.h
Libavcodec external API header.
ff_vdpau_mpeg_end_frame
int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
AVCodecContext
main external API structure.
Definition: avcodec.h:1518
buf
void * buf
Definition: avisynth_c.h:690
VDPAUContext::render
VdpDecoderRender * render
VDPAU decoder render callback.
Definition: vdpau_internal.h:83
profile
mfxU16 profile
Definition: qsvenc.c:44
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:232
level
uint8_t level
Definition: svq3.c:207
AVBufferRef
A reference to a data buffer.
Definition: buffer.h:81
ff_vdpau_add_buffer
int ff_vdpau_add_buffer(struct vdpau_picture_context *pic, const uint8_t *buf, uint32_t buf_size)
Definition: vdpau.c:373
VDPAUHWContext::flags
unsigned char flags
Definition: vdpau_internal.h:61
ff_vdpau_common_end_frame
int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame, struct vdpau_picture_context *pic)
Definition: vdpau.c:328
vdpau_picture_context::info
union VDPAUPictureInfo info
VDPAU picture information.
Definition: vdpau_internal.h:93
VDPAUContext::height
uint32_t height
Definition: vdpau_internal.h:86
buffer
GLuint buffer
Definition: opengl_enc.c:102
ff_vdpau_get_surface_id
static uintptr_t ff_vdpau_get_surface_id(AVFrame *pic)
Extract VdpVideoSurface from an AVFrame.
Definition: vdpau_internal.h:38

Generated on Sun May 13 2018 02:03:57 for FFmpeg by   doxygen 1.8.6

AltStyle によって変換されたページ (->オリジナル) /