remove assertion that use external definitions
[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_RENDER_H
22#define AVCODEC_XVMC_RENDER_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
31
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32//the surface should be shown, the video driver manipulates this
33#define MP_XVMC_STATE_DISPLAY_PENDING 1
34//the surface is needed for prediction, the codec manipulates this
35#define MP_XVMC_STATE_PREDICTION 2
36//this surface is needed for subpicture rendering
37#define MP_XVMC_STATE_OSD_SOURCE 4
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38// 1337 IDCT MCo
39#define MP_XVMC_RENDER_MAGIC 0x1DC711C0
40
c96da3ed 41struct xvmc_render_state {
6915cf38 42 //these are not changed by the decoder!
ff921378 43 int magic; ///< used as check for memory corruption by regular pixel routines
7fade368 44
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45 short * data_blocks;
46 XvMCMacroBlock * mv_blocks;
47 int total_number_of_mv_blocks;
48 int total_number_of_data_blocks;
49 int mc_type; //XVMC_MPEG1/2/4,XVMC_H263 without XVMC_IDCT
d54a08cf 50 int idct; //< indicate that IDCT acceleration level is used
24d54e9e 51 int chroma_format; ///< XVMC_CHROMA_FORMAT_420/422/444
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52 int unsigned_intra; //+-128 for intra pictures after clipping
53 XvMCSurface* p_surface; //pointer to rendered surface, never changed
7fade368 54
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55 //these are changed by the decoder
56 //used by the XvMCRenderSurface function
57 XvMCSurface* p_past_surface; //pointer to the past surface
58 XvMCSurface* p_future_surface; //pointer to the future prediction surface
7fade368 59
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60 unsigned int picture_structure; //top/bottom fields or frame!
61 unsigned int flags; //XVMC_SECOND_FIELD - 1st or 2nd field in the sequence
62 unsigned int display_flags; //1,2 or 1+2 fields for XvMCPutSurface
7fade368 63
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64 //these are for internal communication
65 int state; //0 - free, 1 - waiting to display, 2 - waiting for prediction
66 int start_mv_blocks_num; //offset in the array for the current slice, updated by vo
67 int filled_mv_blocks_num; //processed mv block in this slice, changed by decoder
115329f1 68
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69 int next_free_data_block_num; //used in add_mv_block, pointer to next free block
70 //extensions
71 void * p_osd_target_surface_render; //pointer to the surface where subpicture is rendered
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c96da3ed 73};
699b3f99 74
98790382 75#endif /* AVCODEC_XVMC_RENDER_H */