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author | Michael Roitzsch <mroi@users.sourceforge.net> | 2002-08-28 20:27:56 +0000 |
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committer | Michael Roitzsch <mroi@users.sourceforge.net> | 2002-08-28 20:27:56 +0000 |
commit | 6ee05b430232df905b3413bcf20fe2c60da024fd (patch) | |
tree | d2ac4921038a5871d2859b17071fd24774b42ee3 /src/liba52/bitstream.h | |
parent | b5ccc95d14f0937c3096c536165af0e2dbfc10ee (diff) | |
download | xine-lib-6ee05b430232df905b3413bcf20fe2c60da024fd.tar.gz xine-lib-6ee05b430232df905b3413bcf20fe2c60da024fd.tar.bz2 |
sync to latest liba52 release (0.7.4)
CVS patchset: 2543
CVS date: 2002/08/28 20:27:56
Diffstat (limited to 'src/liba52/bitstream.h')
-rw-r--r-- | src/liba52/bitstream.h | 37 |
1 files changed, 17 insertions, 20 deletions
diff --git a/src/liba52/bitstream.h b/src/liba52/bitstream.h index be15907e9..7d7ea7679 100644 --- a/src/liba52/bitstream.h +++ b/src/liba52/bitstream.h @@ -1,8 +1,10 @@ /* * bitstream.h - * Copyright (C) 1999-2001 Aaron Holtzman <aholtzma@ess.engr.uvic.ca> + * 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 @@ -26,7 +28,7 @@ #else -# if defined (__i386__) && defined(__GNUC__) +# if 0 && defined (__i386__) # define swab32(x) __i386_swab32(x) static inline const uint32_t __i386_swab32(uint32_t x) @@ -44,37 +46,32 @@ # endif #endif -extern uint32_t bits_left; -extern uint32_t current_word; +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); -void bitstream_set_ptr (uint8_t * buf); -uint32_t bitstream_get_bh(uint32_t num_bits); -int32_t bitstream_get_bh_2(uint32_t num_bits); - -static inline uint32_t -bitstream_get(uint32_t num_bits) +static inline uint32_t bitstream_get (a52_state_t * state, uint32_t num_bits) { uint32_t result; - if(num_bits < bits_left) { - result = (current_word << (32 - bits_left)) >> (32 - num_bits); - bits_left -= num_bits; + 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 bitstream_get_bh(num_bits); + return a52_bitstream_get_bh (state, num_bits); } -static inline int32_t -bitstream_get_2(uint32_t num_bits) +static inline int32_t bitstream_get_2 (a52_state_t * state, uint32_t num_bits) { int32_t result; - if(num_bits < bits_left) { - result = (((int32_t)current_word) << (32 - bits_left)) >> (32 - num_bits); - bits_left -= num_bits; + 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 bitstream_get_bh_2(num_bits); + return a52_bitstream_get_bh_2 (state, num_bits); } |