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https://code.videolan.org/videolan/vlc
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93 lines
3.9 KiB
C
93 lines
3.9 KiB
C
/*****************************************************************************
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* vdec_ext-plugins.h : structures from the video decoder exported to plug-ins
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*****************************************************************************
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* Copyright (C) 1999, 2000 VideoLAN
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* $Id: vdec_ext-plugins.h,v 1.11 2002/04/15 23:04:08 massiot Exp $
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*
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* Authors: Christophe Massiot <massiot@via.ecp.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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/*****************************************************************************
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* macroblock_t : information on a macroblock passed to the video_decoder
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* thread
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*****************************************************************************/
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typedef struct idct_inner_s
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{
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/* Should be kept aligned ! */
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dctelem_t * pi_block; /* block */
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void * pi_block_orig; /* pointer before memalign */
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void ( * pf_idct ) ( dctelem_t *, yuv_data_t *, int,
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void *, int );
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/* sparse IDCT or not, add or copy ? */
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int i_sparse_pos; /* position of the
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* non-NULL coeff */
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} idct_inner_t;
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typedef struct motion_inner_s
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{
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boolean_t b_average; /* 0 == copy */
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int i_x_pred, i_y_pred; /* motion vectors */
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yuv_data_t * pp_source[3];
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int i_dest_offset, i_src_offset;
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int i_stride, i_height;
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boolean_t b_second_half;
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} motion_inner_t;
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typedef struct macroblock_s
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{
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int i_mb_modes;
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/* IDCT information */
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idct_inner_t p_idcts[12];
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u16 i_coded_block_pattern;
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/* which blocks are coded ? */
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yuv_data_t * p_y_data;
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yuv_data_t * p_u_data;
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yuv_data_t * p_v_data;
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/* pointers to the position
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* in the final picture */
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/* Motion compensation information */
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motion_inner_t p_motions[8];
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int i_nb_motions;
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yuv_data_t * pp_dest[3];
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} macroblock_t;
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/* Macroblock Modes */
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#define MB_INTRA 1
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#define MB_PATTERN 2
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#define MB_MOTION_BACKWARD 4
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#define MB_MOTION_FORWARD 8
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#define MB_QUANT 16
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#define DCT_TYPE_INTERLACED 32
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/*****************************************************************************
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* vdec_thread_t: video decoder thread descriptor
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*****************************************************************************/
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typedef struct vdec_thread_s
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{
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vlc_thread_t thread_id; /* id for thread functions */
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boolean_t b_die;
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/* IDCT iformations */
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void * p_idct_data;
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/* Input properties */
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struct vdec_pool_s * p_pool;
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} vdec_thread_t;
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