diff options
Diffstat (limited to 'src/liba52/bitstream.h')
-rw-r--r-- | src/liba52/bitstream.h | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/src/liba52/bitstream.h b/src/liba52/bitstream.h deleted file mode 100644 index 59f91cc0e..000000000 --- a/src/liba52/bitstream.h +++ /dev/null @@ -1,81 +0,0 @@ -/* - * bitstream.h - * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org> - * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca> - * - * 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 - */ - -#ifdef WIN32 -#include <unistd.h> -#endif - -/* (stolen from the kernel) */ -#ifdef WORDS_BIGENDIAN - -# define swab32(x) (x) - -#else - -# if 0 && defined (__i386__) - -# define swab32(x) __i386_swab32(x) - static inline const uint32_t __i386_swab32(uint32_t x) - { - __asm__("bswap %0" : "=r" (x) : "0" (x)); - return x; - } - -# else - -# define swab32(x)\ -((((uint8_t*)&x)[0] << 24) | (((uint8_t*)&x)[1] << 16) | \ - (((uint8_t*)&x)[2] << 8) | (((uint8_t*)&x)[3])) - -# endif -#endif - -void a52_bitstream_set_ptr (a52_state_t * state, uint8_t * buf); -uint32_t a52_bitstream_get_bh (a52_state_t * state, uint32_t num_bits); -int32_t a52_bitstream_get_bh_2 (a52_state_t * state, uint32_t num_bits); - -static inline uint32_t bitstream_get (a52_state_t * state, uint32_t num_bits) -{ - uint32_t result; - - if (num_bits < state->bits_left) { - result = (state->current_word << (32 - state->bits_left)) >> (32 - num_bits); - state->bits_left -= num_bits; - return result; - } - - return a52_bitstream_get_bh (state, num_bits); -} - -static inline int32_t bitstream_get_2 (a52_state_t * state, uint32_t num_bits) -{ - int32_t result; - - if (num_bits < state->bits_left) { - result = (((int32_t)state->current_word) << (32 - state->bits_left)) >> (32 - num_bits); - state->bits_left -= num_bits; - return result; - } - - return a52_bitstream_get_bh_2 (state, num_bits); -} |