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83 lines
3.7 KiB
83 lines
3.7 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_H |
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#define AVCODEC_XVMC_H |
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#include <X11/extensions/XvMC.h> |
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#include "avcodec.h" |
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#define AV_XVMC_STATE_DISPLAY_PENDING 1 /** the surface should be shown, the video driver manipulates this */ |
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#define AV_XVMC_STATE_PREDICTION 2 /** the surface is needed for prediction, the codec manipulates this */ |
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#define AV_XVMC_STATE_OSD_SOURCE 4 /** this surface is needed for subpicture rendering */ |
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#define AV_XVMC_RENDER_MAGIC 0x1DC711C0 /**< magic value to ensure that regular pixel routines haven't corrupted the struct */ |
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// 1337 IDCT MCo |
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#if LIBAVCODEC_VERSION_MAJOR < 53 |
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#define MP_XVMC_STATE_DISPLAY_PENDING AV_XVMC_STATE_DISPLAY_PENDING |
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#define MP_XVMC_STATE_PREDICTION AV_XVMC_STATE_PREDICTION |
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#define MP_XVMC_STATE_OSD_SOURCE AV_XVMC_STATE_OSD_SOURCE |
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#define MP_XVMC_RENDER_MAGIC AV_XVMC_RENDER_MAGIC |
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#endif |
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struct xvmc_render_state { |
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/** set by calling application */ |
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//@{ |
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int magic; ///< used as check for memory corruption by regular pixel routines |
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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; ///< indicate that IDCT acceleration level is used |
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int chroma_format; ///< XVMC_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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//}@ |
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/** set by the decoder |
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used by the XvMCRenderSurface function */ |
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//@{ |
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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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//}@ |
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/** modified by calling application and the decoder */ |
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//@{ |
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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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//}@ |
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/** extensions */ |
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//@{ |
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void* p_osd_target_surface_render; ///< pointer to the surface where subpicture is rendered |
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//}@ |
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}; |
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#endif /* AVCODEC_XVMC_H */
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