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88 lines
3.5 KiB
C
88 lines
3.5 KiB
C
/*
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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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/**the surface should be shown, the video driver manipulates this*/
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#define AV_XVMC_STATE_DISPLAY_PENDING 1
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/**the surface is needed for prediction, the codec manipulates this*/
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#define AV_XVMC_STATE_PREDICTION 2
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/**this surface is needed for subpicture rendering*/
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#define AV_XVMC_STATE_OSD_SOURCE 4
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/**<magic value to ensure that regular pixel routines haven't corrupted the struct*/
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// 1337 IDCT MCo
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#define AV_XVMC_RENDER_MAGIC 0x1DC711C0
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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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/** these are not changed by the decoder! */
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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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/** these are changed 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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/** these are for internal communication */
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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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