summaryrefslogtreecommitdiff
path: root/libavcodec/liba52/bitstream.h
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/liba52/bitstream.h')
-rw-r--r--libavcodec/liba52/bitstream.h77
1 files changed, 0 insertions, 77 deletions
diff --git a/libavcodec/liba52/bitstream.h b/libavcodec/liba52/bitstream.h
deleted file mode 100644
index 4a64bf3d96..0000000000
--- a/libavcodec/liba52/bitstream.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * bitstream.h
- * Copyright (C) 2000-2003 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/* (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);
-}