mirror of
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97 lines
4.0 KiB
C
97 lines
4.0 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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#if LIBAVCODEC_VERSION_MAJOR < 53
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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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#endif
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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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struct xvmc_pix_fmt {
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/** Set by calling application
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Once set these values are not supposed to be modified.
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*/
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//@{
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int unique_id; ///< used as a check against memory corruption by regular pixel routines or other API structure
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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 idct; ///< indicate that IDCT acceleration level is used
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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 before calling draw_horiz_band()
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need 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 field or frame
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unsigned int flags; ///< XVMC_SECOND_FIELD - 1st or 2nd field in the sequence
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//}@
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/** Offset in the mv array for the current slice:
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- application - zeros it on get_buffer().
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successful draw_horiz_band() may increment it
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with filled_mb_block_num or zero both.
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- libavcodec - unchanged
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*/
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int start_mv_blocks_num;
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/** Processed mv blocks in this slice:
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- application - zeros it on get_buffer() or after successful draw_horiz_band()
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- libavcodec - increment with one of each stored MB
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*/
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int filled_mv_blocks_num;
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/** Offset to the next free data block. The mv_blocks hold number pointing to the data blocks.
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- application - zeroes it on get_buffer() and after successful draw_horiz_band()
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- libvcodec - each macroblock increases it with the number of coded blocks in it.
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*/
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int next_free_data_block_num;
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/** extensions may be placed here */
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#if LIBAVCODEC_VERSION_MAJOR < 53
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//@{
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/** State - used to workaround limitations in MPlayer video system.
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0 - Surface not used
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1 - Surface is still hold in application to be displayed or is still visible.
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2 - Surface is still hold in libavcodec buffer for prediction
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*/
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int state;
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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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#endif
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};
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#endif /* AVCODEC_XVMC_H */
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