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.
5 * Copyright (C) 2008 NVIDIA
7 * This file is part of FFmpeg.
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.
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.
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
24 #ifndef AVCODEC_VDPAU_INTERNAL_H
25 #define AVCODEC_VDPAU_INTERNAL_H
28 #include <vdpau/vdpau.h>
30 #include "libavutil/frame.h"
31 #include "libavutil/hwcontext.h"
32 #include "libavutil/hwcontext_vdpau.h"
37 /** Extract VdpVideoSurface from an AVFrame */
38 static inline uintptr_t ff_vdpau_get_surface_id(AVFrame *pic)
40 return (uintptr_t)pic->data[3];
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;
51 #ifdef VDP_DECODER_PROFILE_HEVC_MAIN
52 VdpPictureInfoHEVC hevc;
56 typedef struct VDPAUHWContext {
57 AVVDPAUContext context;
59 VdpGetProcAddress *get_proc_address;
64 typedef struct VDPAUContext {
71 * VDPAU decoder handle
78 VdpGetProcAddress *get_proc_address;
81 * VDPAU decoder render callback
83 VdpDecoderRender *render;
89 struct vdpau_picture_context {
91 * VDPAU picture information.
93 union VDPAUPictureInfo info;
96 * Allocated size of the bitstream_buffers table.
98 int bitstream_buffers_allocated;
101 * Useful bitstream buffers in the bitstream buffers table.
103 int bitstream_buffers_used;
106 * Table of bitstream buffers.
108 VdpBitstreamBuffer *bitstream_buffers;
111 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
113 int ff_vdpau_common_uninit(AVCodecContext *avctx);
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,
122 int ff_vdpau_common_frame_params(AVCodecContext *avctx,
123 AVBufferRef *hw_frames_ctx);
125 #endif /* AVCODEC_VDPAU_INTERNAL_H */