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 */
ff_vdpau_get_surface_id(AVFrame *pic)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 #ifdef VDP_DECODER_PROFILE_AV1_MAIN
61 VdpPictureInfoAV1 av1;
62 #endif
63 };
64
65 typedef struct VDPAUHWContext {
66 AVVDPAUContext context;
67 VdpDevice device;
68 VdpGetProcAddress *get_proc_address;
69 char reset;
70 unsigned char flags;
71 } VDPAUHWContext;
72
73 typedef struct VDPAUContext {
74 /**
75 * VDPAU device handle
76 */
77 VdpDevice device;
78
79 /**
80 * VDPAU decoder handle
81 */
82 VdpDecoder decoder;
83
84 /**
85 * VDPAU device driver
86 */
87 VdpGetProcAddress *get_proc_address;
88
89 /**
90 * VDPAU decoder render callback
91 */
92 VdpDecoderRender *render;
93
94 uint32_t width;
95 uint32_t height;
96 } VDPAUContext;
97
98 struct vdpau_picture_context {
99 /**
100 * VDPAU picture information.
101 */
102 union VDPAUPictureInfo info;
103
104 /**
105 * Allocated size of the bitstream_buffers table.
106 */
107 int bitstream_buffers_allocated;
108
109 /**
110 * Useful bitstream buffers in the bitstream buffers table.
111 */
112 int bitstream_buffers_used;
113
114 /**
115 * Table of bitstream buffers.
116 */
117 VdpBitstreamBuffer *bitstream_buffers;
118 };
119
120 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
121 int level);
122 int ff_vdpau_common_uninit(AVCodecContext *avctx);
123
124 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic,
125 const uint8_t *buffer, uint32_t size);
126 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
127 struct vdpau_picture_context *pic);
128 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx);
129 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic, const uint8_t *buf,
130 uint32_t buf_size);
131 int ff_vdpau_common_frame_params(AVCodecContext *avctx,
132 AVBufferRef *hw_frames_ctx);
133
134 #endif /* AVCODEC_VDPAU_INTERNAL_H */
135