Move the state field in the xvmc struct to the extensions section.
[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
c97dffbc 24#include <X11/extensions/XvMC.h>
7fade368 25
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26#include "avcodec.h"
27
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28#define AV_XVMC_STATE_DISPLAY_PENDING 1 /** the surface should be shown, the video driver manipulates this */
29#define AV_XVMC_STATE_PREDICTION 2 /** the surface is needed for prediction, the codec manipulates this */
30#define AV_XVMC_STATE_OSD_SOURCE 4 /** this surface is needed for subpicture rendering */
31#define AV_XVMC_RENDER_MAGIC 0x1DC711C0 /**< magic value to ensure that regular pixel routines haven't corrupted the struct */
32 // 1337 IDCT MCo
117f9234 33
c96da3ed 34struct xvmc_render_state {
aae667ba 35/** set by calling application */
6785e509 36//@{
a1db3b93 37 int magic; ///< used as a check against memory corruption by regular pixel routines
7fade368 38
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39 short* data_blocks;
40 XvMCMacroBlock* mv_blocks;
41 int total_number_of_mv_blocks;
42 int total_number_of_data_blocks;
c1a5aa29 43 int idct; ///< indicate that IDCT acceleration level is used
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44 int unsigned_intra; ///< +-128 for intra pictures after clipping
45 XvMCSurface* p_surface; ///< pointer to rendered surface, never changed
6785e509 46//}@
7fade368 47
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48/** set by the decoder
49 used by the XvMCRenderSurface function */
6785e509 50//@{
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51 XvMCSurface* p_past_surface; ///< pointer to the past surface
52 XvMCSurface* p_future_surface; ///< pointer to the future prediction surface
7fade368 53
a1db3b93 54 unsigned int picture_structure; ///< top/bottom fields or frame
c1a5aa29 55 unsigned int flags; ///< XVMC_SECOND_FIELD - 1st or 2nd field in the sequence
3af6c3dd 56#if LIBAVCODEC_VERSION_MAJOR < 53
a1db3b93 57 unsigned int display_flags; ///< 1, 2 or 1+2 fields for XvMCPutSurface
3af6c3dd 58#endif
6785e509 59//}@
7fade368 60
aae667ba 61/** modified by calling application and the decoder */
6785e509 62//@{
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63 int start_mv_blocks_num; ///< offset in the array for the current slice, updated by vo
64 int filled_mv_blocks_num; ///< processed mv block in this slice, changed by decoder
115329f1 65
c1a5aa29 66 int next_free_data_block_num; ///< used in add_mv_block, pointer to next free block
6785e509 67//}@
05c363e9 68/** extensions may be placed here */
3bffe5fc 69#if LIBAVCODEC_VERSION_MAJOR < 53
6785e509 70//@{
f8519095 71 int state; ///< 0 - free, 1 - waiting to display, 2 - waiting for prediction
c1a5aa29 72 void* p_osd_target_surface_render; ///< pointer to the surface where subpicture is rendered
6785e509 73//}@
3bffe5fc 74#endif
c96da3ed 75};
699b3f99 76
af28efa2 77#endif /* AVCODEC_XVMC_H */