| 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 "config.h" |
| 28 | #include <stdint.h> |
| 29 | #if CONFIG_VDPAU |
| 30 | #include <vdpau/vdpau.h> |
| 31 | #endif |
| 32 | #include "h264.h" |
| 33 | |
| 34 | #include "avcodec.h" |
| 35 | #include "mpeg4video.h" |
| 36 | #include "mpegvideo.h" |
| 37 | #include "version.h" |
| 38 | |
| 39 | /** Extract VdpVideoSurface from an AVFrame */ |
| 40 | static inline uintptr_t ff_vdpau_get_surface_id(AVFrame *pic) |
| 41 | { |
| 42 | return (uintptr_t)pic->data[3]; |
| 43 | } |
| 44 | |
| 45 | struct vdpau_picture_context; |
| 46 | #if CONFIG_VDPAU |
| 47 | #if !FF_API_BUFS_VDPAU |
| 48 | union AVVDPAUPictureInfo { |
| 49 | VdpPictureInfoH264 h264; |
| 50 | VdpPictureInfoMPEG1Or2 mpeg; |
| 51 | VdpPictureInfoVC1 vc1; |
| 52 | VdpPictureInfoMPEG4Part2 mpeg4; |
| 53 | }; |
| 54 | #else |
| 55 | #include "vdpau.h" |
| 56 | #endif |
| 57 | |
| 58 | struct vdpau_picture_context { |
| 59 | /** |
| 60 | * VDPAU picture information. |
| 61 | */ |
| 62 | union AVVDPAUPictureInfo info; |
| 63 | |
| 64 | /** |
| 65 | * Allocated size of the bitstream_buffers table. |
| 66 | */ |
| 67 | int bitstream_buffers_allocated; |
| 68 | |
| 69 | /** |
| 70 | * Useful bitstream buffers in the bitstream buffers table. |
| 71 | */ |
| 72 | int bitstream_buffers_used; |
| 73 | |
| 74 | /** |
| 75 | * Table of bitstream buffers. |
| 76 | */ |
| 77 | VdpBitstreamBuffer *bitstream_buffers; |
| 78 | }; |
| 79 | #endif |
| 80 | |
| 81 | int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic, |
| 82 | const uint8_t *buffer, uint32_t size); |
| 83 | int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx); |
| 84 | int ff_vdpau_add_buffer(struct vdpau_picture_context *pic, const uint8_t *buf, |
| 85 | uint32_t buf_size); |
| 86 | |
| 87 | |
| 88 | void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf, |
| 89 | int buf_size); |
| 90 | |
| 91 | void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf, |
| 92 | int buf_size, int slice_count); |
| 93 | |
| 94 | void ff_vdpau_h264_picture_start(H264Context *h); |
| 95 | void ff_vdpau_h264_set_reference_frames(H264Context *h); |
| 96 | void ff_vdpau_h264_picture_complete(H264Context *h); |
| 97 | |
| 98 | void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf, |
| 99 | int buf_size); |
| 100 | |
| 101 | void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *s, const uint8_t *buf, |
| 102 | int buf_size); |
| 103 | |
| 104 | #endif /* AVCODEC_VDPAU_INTERNAL_H */ |