FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vdpau_internal.h
Date: 2021-09-24 03:35:22
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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"
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 #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 {
63 AVVDPAUContext context;
64 VdpDevice device;
65 VdpGetProcAddress *get_proc_address;
66 char reset;
67 unsigned char flags;
68 } VDPAUHWContext;
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
95 struct vdpau_picture_context {
96 /**
97 * VDPAU picture information.
98 */
99 union VDPAUPictureInfo info;
100
101 /**
102 * Allocated size of the bitstream_buffers table.
103 */
104 int bitstream_buffers_allocated;
105
106 /**
107 * Useful bitstream buffers in the bitstream buffers table.
108 */
109 int bitstream_buffers_used;
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);
119 int ff_vdpau_common_uninit(AVCodecContext *avctx);
120
121 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic,
122 const uint8_t *buffer, uint32_t size);
123 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
124 struct vdpau_picture_context *pic);
125 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx);
126 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic, const uint8_t *buf,
127 uint32_t buf_size);
128 int ff_vdpau_common_frame_params(AVCodecContext *avctx,
129 AVBufferRef *hw_frames_ctx);
130
131 #endif /* AVCODEC_VDPAU_INTERNAL_H */
132