/* * Copyright (C) 2003 Ivan Kalvachev * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVCODEC_XVMC_H #define AVCODEC_XVMC_H #include <X11/extensions/XvMC.h> #define AV_XVMC_STATE_DISPLAY_PENDING 1 /** the surface should be shown, the video driver manipulates this */ #define AV_XVMC_STATE_PREDICTION 2 /** the surface is needed for prediction, the codec manipulates this */ #define AV_XVMC_STATE_OSD_SOURCE 4 /** this surface is needed for subpicture rendering */ #define AV_XVMC_RENDER_MAGIC 0x1DC711C0 /**< magic value to ensure that regular pixel routines haven't corrupted the struct */ // 1337 IDCT MCo struct xvmc_render_state { /** set by calling application */ //@{ int magic; ///< used as check for memory corruption by regular pixel routines short* data_blocks; XvMCMacroBlock* mv_blocks; int total_number_of_mv_blocks; int total_number_of_data_blocks; int mc_type; ///< XVMC_MPEG1/2/4,XVMC_H263 without XVMC_IDCT int idct; ///< indicate that IDCT acceleration level is used int chroma_format; ///< XVMC_CHROMA_FORMAT_420/422/444 int unsigned_intra; ///< +-128 for intra pictures after clipping XvMCSurface* p_surface; ///< pointer to rendered surface, never changed //}@ /** set by the decoder used by the XvMCRenderSurface function */ //@{ XvMCSurface* p_past_surface; ///< pointer to the past surface XvMCSurface* p_future_surface; ///< pointer to the future prediction surface unsigned int picture_structure; ///< top/bottom fields or frame! unsigned int flags; ///< XVMC_SECOND_FIELD - 1st or 2nd field in the sequence unsigned int display_flags; ///< 1,2 or 1+2 fields for XvMCPutSurface //}@ /** modified by calling application and the decoder */ //@{ int state; ///< 0 - free, 1 - waiting to display, 2 - waiting for prediction int start_mv_blocks_num; ///< offset in the array for the current slice, updated by vo int filled_mv_blocks_num; ///< processed mv block in this slice, changed by decoder int next_free_data_block_num; ///< used in add_mv_block, pointer to next free block //}@ /** extensions */ //@{ void* p_osd_target_surface_render; ///< pointer to the surface where subpicture is rendered //}@ }; #endif /* AVCODEC_XVMC_H */