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/*****************************************************************************
* vdec_ext-plugins.h : structures from the video decoder exported to plug-ins
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* $Id: vdec_ext-plugins.h,v 1.7 2001/10/11 16:12:43 massiot Exp $
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
/*****************************************************************************
* macroblock_t : information on a macroblock passed to the video_decoder
* thread
*****************************************************************************/
typedef struct idct_inner_s
{
/* Should be kept aligned ! */
dctelem_t * pi_block; /* block */
void ( * pf_idct ) ( dctelem_t *, yuv_data_t *, int,
void *, int );
/* sparse IDCT or not, add or copy ? */
int i_sparse_pos; /* position of the
* non-NULL coeff */
} idct_inner_t;
typedef struct motion_inner_s
{
boolean_t b_average; /* 0 == copy */
int i_x_pred, i_y_pred; /* motion vectors */
yuv_data_t * pp_source[3];
int i_dest_offset, i_src_offset;
int i_stride, i_height;
boolean_t b_second_half;
} motion_inner_t;
typedef struct macroblock_s
{
int i_mb_modes;
/* IDCT information */
idct_inner_t p_idcts[12];
u16 i_coded_block_pattern;
/* which blocks are coded ? */
yuv_data_t * p_y_data;
yuv_data_t * p_u_data;
yuv_data_t * p_v_data;
/* pointers to the position
* in the final picture */
/* Motion compensation information */
motion_inner_t p_motions[8];
int i_nb_motions;
yuv_data_t * pp_dest[3];
} macroblock_t;
/* Macroblock Modes */
#define MB_INTRA 1
#define MB_PATTERN 2
#define MB_MOTION_BACKWARD 4
#define MB_MOTION_FORWARD 8
#define MB_QUANT 16
#define DCT_TYPE_INTERLACED 32
/*****************************************************************************
* vdec_thread_t: video decoder thread descriptor
*****************************************************************************/
typedef struct vdec_thread_s
{
vlc_thread_t thread_id; /* id for thread functions */
boolean_t b_die;
/* IDCT iformations */
void * p_idct_data;
/* Input properties */
struct vdec_pool_s * p_pool;
} vdec_thread_t;
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