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75 lines
2.8 KiB
75 lines
2.8 KiB
/* |
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* Copyright (C) 2003 Ivan Kalvachev |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVCODEC_XVMC_RENDER_H |
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#define AVCODEC_XVMC_RENDER_H |
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#include <X11/Xlib.h> |
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#include <X11/Xutil.h> |
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#include <X11/Xatom.h> |
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#include <X11/extensions/Xv.h> |
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#include <X11/extensions/Xvlib.h> |
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#include <X11/extensions/XvMClib.h> |
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//the surface should be shown, the video driver manipulates this |
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#define MP_XVMC_STATE_DISPLAY_PENDING 1 |
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//the surface is needed for prediction, the codec manipulates this |
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#define MP_XVMC_STATE_PREDICTION 2 |
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//this surface is needed for subpicture rendering |
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#define MP_XVMC_STATE_OSD_SOURCE 4 |
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// 1337 IDCT MCo |
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#define MP_XVMC_RENDER_MAGIC 0x1DC711C0 |
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typedef struct { |
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//these are not changed by the decoder! |
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int magic; |
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short * data_blocks; |
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XvMCMacroBlock * mv_blocks; |
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int total_number_of_mv_blocks; |
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int total_number_of_data_blocks; |
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int mc_type; //XVMC_MPEG1/2/4,XVMC_H263 without XVMC_IDCT |
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int idct; //Do we use IDCT acceleration? |
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int chroma_format; //420, 422, 444 |
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int unsigned_intra; //+-128 for intra pictures after clipping |
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XvMCSurface* p_surface; //pointer to rendered surface, never changed |
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//these are changed by the decoder |
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//used by the XvMCRenderSurface function |
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XvMCSurface* p_past_surface; //pointer to the past surface |
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XvMCSurface* p_future_surface; //pointer to the future prediction surface |
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unsigned int picture_structure; //top/bottom fields or frame! |
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unsigned int flags; //XVMC_SECOND_FIELD - 1st or 2nd field in the sequence |
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unsigned int display_flags; //1,2 or 1+2 fields for XvMCPutSurface |
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//these are for internal communication |
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int state; //0 - free, 1 - waiting to display, 2 - waiting for prediction |
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int start_mv_blocks_num; //offset in the array for the current slice, updated by vo |
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int filled_mv_blocks_num; //processed mv block in this slice, changed by decoder |
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int next_free_data_block_num; //used in add_mv_block, pointer to next free block |
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//extensions |
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void * p_osd_target_surface_render; //pointer to the surface where subpicture is rendered |
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} xvmc_render_state_t; |
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#endif /* AVCODEC_XVMC_RENDER_H */
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