/*****************************************************************************
* vpar_blocks.c : blocks parsing
- * (c)1999 VideoLAN
+ *****************************************************************************
+ * Copyright (C) 1999, 2000 VideoLAN
+ *
+ * Authors:
+ *
+ * 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 02111-1307, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <errno.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <sys/uio.h>
+#include <sys/types.h> /* on BSD, uio.h needs types.h */
+#include <sys/uio.h> /* "input.h" */
+#include "threads.h"
#include "config.h"
#include "common.h"
#include "mtime.h"
-#include "vlc_thread.h"
+#include "plugins.h"
#include "intf_msg.h"
-#include "debug.h" /* ?? temporaire, requis par netlist.h */
+#include "debug.h" /* XXX?? temporaire, requis par netlist.h */
#include "input.h"
#include "input_netlist.h"
#include "video_parser.h"
#include "video_fifo.h"
-
-
-
-
-
-
static int i_count = 0;
-
-
-
-
-
/*
* Welcome to vpar_blocks.c ! Here's where the heavy processor-critical parsing
* task is done. This file is divided in several parts :
* Tables are cut in two parts to reduce memory occupation
*/
- /* Table B-12, dct_dc_size_luminance, codes 00xxx ... 11110 */
+ /* Table B-12, dct_dc_size_luminance, codes 00XXX ... 11110 */
static lookup_t pl_dct_dc_lum_init_table_1[32] =
{ {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2},
{2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2},
{3, 3}, {3, 3}, {3, 3}, {3, 3}, {4, 4}, {4, 4}, {5, 5}, {MB_ERROR, 0}
};
- /* Table B-13, dct_dc_size_chrominance, codes 111110xxxx ... 1111111111 */
+ /* Table B-13, dct_dc_size_chrominance, codes 111110xxxx ... 1111111111 */
static lookup_t pl_dct_dc_chrom_init_table_2[32] =
{ {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6},
{6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6},
p_vpar->pppl_dct_dc_size[1][0] = pl_dct_dc_chrom_init_table_1;
p_vpar->pppl_dct_dc_size[1][1] = pl_dct_dc_chrom_init_table_2;
- /* ??? MB_ERROR is replaced by 0 because if we use -1 we
+ /* XXX?? MB_ERROR is replaced by 0 because if we use -1 we
* can block in DecodeMPEG2Intra and others */
memset( p_vpar->ppl_dct_coef[0], 0, 16 );
memset( p_vpar->ppl_dct_coef[1], 0, 16 );
-
+
/* For table B14 & B15, we have a pointer to tables */
/* We fill the table thanks to the fonction defined above */
FillDCTTable( p_vpar->ppl_dct_coef[0], pl_DCT_tab0, 256, 60, 4 );
p_vpar->mb.i_motion_type = MOTION_FRAME;
}
- /* ???? */
+ /* XXX?? */
p_vpar->mb.i_mv_count = ppi_mv_count[i_structure == FRAME_STRUCTURE]
[p_vpar->mb.i_motion_type];
p_vpar->mb.i_mv_format = ppi_mv_format[i_structure == FRAME_STRUCTURE]
if( i_inc < 0 )
{
- fprintf( stderr, "vpar error: bad address increment (%d)\n", i_inc );
+ intf_ErrMsg( "vpar error: bad address increment (%d)\n", i_inc );
p_vpar->picture.b_error = 1;
return;
}
-
+
if( *pi_mb_address - i_mb_previous - 1 )
{
/* Skipped macroblock (ISO/IEC 13818-2 7.6.6). */
{
RemoveBits( &p_vpar->bit_stream, 8 );
}
- }
+ }
*pi_mb_address = (i_vert_code - 1)*p_vpar->sequence.i_mb_width;
if( *pi_mb_address < i_mb_address_save )
{
- fprintf( stderr, "vpar error: slices do not follow, maybe a PES has been trashed\n" );
+ intf_ErrMsg( "vpar error: slices do not follow, maybe a PES has been trashed\n" );
p_vpar->picture.b_error = 1;
return;
}
do
{
+ if( i_mb_address_save >= p_vpar->sequence.i_mb_size )
+ {
+ p_vpar->picture.b_error = 1;
+ return;
+ }
ParseMacroblock( p_vpar, pi_mb_address, i_mb_address_save,
i_mb_base, b_mpeg2, i_coding_type,
i_chroma_format, i_structure,