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
30 #include <vdpau/vdpau.h>
35 #include "mpeg4video.h"
36 #include "mpegvideo.h"
39 /** Extract VdpVideoSurface from an AVFrame */
40 static inline uintptr_t ff_vdpau_get_surface_id(AVFrame *pic)
42 return (uintptr_t)pic->data[3];
45 struct vdpau_picture_context;
47 union VDPAUPictureInfo {
48 VdpPictureInfoH264 h264;
49 VdpPictureInfoMPEG1Or2 mpeg;
50 VdpPictureInfoVC1 vc1;
51 VdpPictureInfoMPEG4Part2 mpeg4;
52 #ifdef VDP_DECODER_PROFILE_H264_HIGH_444_PREDICTIVE
53 VdpPictureInfoH264Predictive h264_predictive;
59 typedef struct VDPAUHWContext {
60 AVVDPAUContext context;
62 VdpGetProcAddress *get_proc_address;
67 typedef struct VDPAUContext {
74 * VDPAU decoder handle
81 VdpGetProcAddress *get_proc_address;
84 * VDPAU decoder render callback
86 VdpDecoderRender *render;
92 struct vdpau_picture_context {
94 * VDPAU picture information.
96 union VDPAUPictureInfo info;
99 * Allocated size of the bitstream_buffers table.
101 int bitstream_buffers_allocated;
104 * Useful bitstream buffers in the bitstream buffers table.
106 int bitstream_buffers_used;
109 * Table of bitstream buffers.
111 VdpBitstreamBuffer *bitstream_buffers;
114 int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
116 #endif //CONFIG_VDPAU
118 int ff_vdpau_common_uninit(AVCodecContext *avctx);
120 int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic,
121 const uint8_t *buffer, uint32_t size);
122 int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
123 struct vdpau_picture_context *pic);
124 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx);
125 int ff_vdpau_add_buffer(struct vdpau_picture_context *pic, const uint8_t *buf,
129 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf,
132 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
133 int buf_size, int slice_count);
135 void ff_vdpau_h264_picture_start(H264Context *h);
136 void ff_vdpau_h264_set_reference_frames(H264Context *h);
137 void ff_vdpau_h264_picture_complete(H264Context *h);
139 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
142 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *s, const uint8_t *buf,
145 #endif /* AVCODEC_VDPAU_INTERNAL_H */