/* * bitstream.c * Copyright (C) 2000-2003 Michel Lespinasse * Copyright (C) 1999-2000 Aaron Holtzman * * This file is part of a52dec, a free ATSC A-52 stream decoder. * See http://liba52.sourceforge.net/ for updates. * * a52dec 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. * * a52dec 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 */ #include "config-a52.h" #include #include "a52.h" #include "a52_internal.h" #include "bitstream.h" #define BUFFER_SIZE 4096 void a52_bitstream_set_ptr (a52_state_t * state, uint8_t * buf) { int align; align = (long)buf & 3; state->buffer_start = (uint32_t *) (buf - align); state->bits_left = 0; state->current_word = 0; bitstream_get (state, align * 8); bitstream_get_2 (state, 0); /* pretend function is used - keep gcc happy */ } static inline void bitstream_fill_current (a52_state_t * state) { uint32_t tmp; tmp = *(state->buffer_start++); state->current_word = swab32 (tmp); } /* * The fast paths for _get is in the * bitstream.h header file so it can be inlined. * * The "bottom half" of this routine is suffixed _bh * * -ah */ uint32_t a52_bitstream_get_bh (a52_state_t * state, uint32_t num_bits) { uint32_t result; num_bits -= state->bits_left; result = ((state->current_word << (32 - state->bits_left)) >> (32 - state->bits_left)); bitstream_fill_current (state); if (num_bits != 0) result = (result << num_bits) | (state->current_word >> (32 - num_bits)); state->bits_left = 32 - num_bits; return result; } int32_t a52_bitstream_get_bh_2 (a52_state_t * state, uint32_t num_bits) { int32_t result; num_bits -= state->bits_left; result = ((((int32_t)state->current_word) << (32 - state->bits_left)) >> (32 - state->bits_left)); bitstream_fill_current(state); if (num_bits != 0) result = (result << num_bits) | (state->current_word >> (32 - num_bits)); state->bits_left = 32 - num_bits; return result; } decs?id=218314eb51a072af56efb49d6420a8e501d52a2b'>codecs/libfaad/error.h
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/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
**  
** 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.
**
** Any non-GPL usage of this software or parts of this software is strictly
** forbidden.
**
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
** $Id$
**/

#ifndef __ERROR_H__
#define __ERROR_H__

#ifdef __cplusplus
extern "C" {
#endif

#define NUM_ERROR_MESSAGES 28
extern char *err_msg[];

#ifdef __cplusplus
}
#endif
#endif
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