whitespace cosmetics: vertical alignment
[libav.git] / libavcodec / xvmc.h
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1/*
2 * Copyright (C) 2003 Ivan Kalvachev
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
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21#ifndef AVCODEC_XVMC_H
22#define AVCODEC_XVMC_H
699b3f99 23
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24#include <X11/Xlib.h>
25#include <X11/Xutil.h>
26#include <X11/Xatom.h>
27#include <X11/extensions/Xv.h>
28#include <X11/extensions/Xvlib.h>
29#include <X11/extensions/XvMClib.h>
30
1369e003 31#include "avcodec.h"
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33#define AV_XVMC_STATE_DISPLAY_PENDING 1 // the surface should be shown, the video driver manipulates this
34#define AV_XVMC_STATE_PREDICTION 2 // the surface is needed for prediction, the codec manipulates this
35#define AV_XVMC_STATE_OSD_SOURCE 4 // this surface is needed for subpicture rendering
36#define AV_XVMC_RENDER_MAGIC 0x1DC711C0 // 1337 IDCT MCo
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37
38#if LIBAVCODEC_VERSION_MAJOR < 53
39#define MP_XVMC_STATE_DISPLAY_PENDING AV_XVMC_STATE_DISPLAY_PENDING
40#define MP_XVMC_STATE_PREDICTION AV_XVMC_STATE_PREDICTION
41#define MP_XVMC_STATE_OSD_SOURCE AV_XVMC_STATE_OSD_SOURCE
42#define MP_XVMC_RENDER_MAGIC AV_XVMC_RENDER_MAGIC
43#endif
7fade368 44
c96da3ed 45struct xvmc_render_state {
6915cf38 46 //these are not changed by the decoder!
6b6ea1df 47 int magic; ///< used as check for memory corruption by regular pixel routines
7fade368 48
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49 short* data_blocks;
50 XvMCMacroBlock* mv_blocks;
51 int total_number_of_mv_blocks;
52 int total_number_of_data_blocks;
53 int mc_type; // XVMC_MPEG1/2/4,XVMC_H263 without XVMC_IDCT
54 int idct; ///< indicate that IDCT acceleration level is used
55 int chroma_format; ///< XVMC_CHROMA_FORMAT_420/422/444
56 int unsigned_intra; // +-128 for intra pictures after clipping
57 XvMCSurface* p_surface; // pointer to rendered surface, never changed
7fade368 58
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59 //these are changed by the decoder
60 //used by the XvMCRenderSurface function
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61 XvMCSurface* p_past_surface; // pointer to the past surface
62 XvMCSurface* p_future_surface; // pointer to the future prediction surface
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64 unsigned int picture_structure; // top/bottom fields or frame!
65 unsigned int flags; // XVMC_SECOND_FIELD - 1st or 2nd field in the sequence
66 unsigned int display_flags; // 1,2 or 1+2 fields for XvMCPutSurface
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6915cf38 68 //these are for internal communication
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69 int state; // 0 - free, 1 - waiting to display, 2 - waiting for prediction
70 int start_mv_blocks_num; // offset in the array for the current slice, updated by vo
71 int filled_mv_blocks_num; // processed mv block in this slice, changed by decoder
115329f1 72
6b6ea1df 73 int next_free_data_block_num; // used in add_mv_block, pointer to next free block
6915cf38 74 //extensions
6b6ea1df 75 void* p_osd_target_surface_render; // pointer to the surface where subpicture is rendered
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c96da3ed 77};
699b3f99 78
af28efa2 79#endif /* AVCODEC_XVMC_H */