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author | Miguel Freitas <miguelfreitas@users.sourceforge.net> | 2003-12-30 02:00:10 +0000 |
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committer | Miguel Freitas <miguelfreitas@users.sourceforge.net> | 2003-12-30 02:00:10 +0000 |
commit | f260c2ac3661143bfdfbcc4c7a3574acdd831894 (patch) | |
tree | 644ed0104c63c64b7346681ca5e212a81876458c /src/libfaad/bits.c | |
parent | 33f6c0d77b5dfafcbafd09fc05d700fb66c9cb47 (diff) | |
download | xine-lib-f260c2ac3661143bfdfbcc4c7a3574acdd831894.tar.gz xine-lib-f260c2ac3661143bfdfbcc4c7a3574acdd831894.tar.bz2 |
- update to libfaad 2.0 rc3
- some fixes to xine_decoder.c
CVS patchset: 5959
CVS date: 2003/12/30 02:00:10
Diffstat (limited to 'src/libfaad/bits.c')
-rw-r--r-- | src/libfaad/bits.c | 71 |
1 files changed, 46 insertions, 25 deletions
diff --git a/src/libfaad/bits.c b/src/libfaad/bits.c index d08d69c77..ea0b8a78c 100644 --- a/src/libfaad/bits.c +++ b/src/libfaad/bits.c @@ -1,22 +1,28 @@ /* -** FAAD - Freeware Advanced Audio Decoder -** Copyright (C) 2002 M. Bakker -** +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003 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 +** along with this program; if not, write to the Free Software ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ** -** $Id: bits.c,v 1.4 2003/04/12 14:58:46 miguelfreitas Exp $ +** 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: bits.c,v 1.5 2003/12/30 02:00:10 miguelfreitas Exp $ **/ #include "common.h" @@ -27,26 +33,32 @@ #include "bits.h" /* initialize buffer, call once before first getbits or showbits */ -void faad_initbits(bitfile *ld, void *_buffer, uint32_t buffer_size) +void faad_initbits(bitfile *ld, const void *_buffer, const uint32_t buffer_size) { uint32_t tmp; - ld->buffer = malloc((buffer_size+12)*sizeof(uint8_t)); + if (ld == NULL) + return; + + memset(ld, 0, sizeof(bitfile)); + + if (buffer_size == 0 || _buffer == NULL) + { + ld->error = 1; + ld->no_more_reading = 1; + return; + } + + ld->buffer = faad_malloc((buffer_size+12)*sizeof(uint8_t)); memset(ld->buffer, 0, (buffer_size+12)*sizeof(uint8_t)); memcpy(ld->buffer, _buffer, buffer_size*sizeof(uint8_t)); ld->buffer_size = buffer_size; tmp = getdword((uint32_t*)ld->buffer); -#ifndef ARCH_IS_BIG_ENDIAN - BSWAP(tmp); -#endif ld->bufa = tmp; tmp = getdword((uint32_t*)ld->buffer + 1); -#ifndef ARCH_IS_BIG_ENDIAN - BSWAP(tmp); -#endif ld->bufb = tmp; ld->start = (uint32_t*)ld->buffer; @@ -62,13 +74,12 @@ void faad_initbits(bitfile *ld, void *_buffer, uint32_t buffer_size) void faad_endbits(bitfile *ld) { if (ld) - if (ld->buffer) free(ld->buffer); + if (ld->buffer) faad_free(ld->buffer); } - uint32_t faad_get_processed_bits(bitfile *ld) { - return 8 * (4*(ld->tail - ld->start) - 4) - (ld->bits_left); + return (uint32_t)(8 * (4*(ld->tail - ld->start) - 4) - (ld->bits_left)); } uint8_t faad_byte_align(bitfile *ld) @@ -83,6 +94,22 @@ uint8_t faad_byte_align(bitfile *ld) return 0; } +void faad_flushbits_ex(bitfile *ld, uint32_t bits) +{ + uint32_t tmp; + + ld->bufa = ld->bufb; + tmp = getdword(ld->tail); + ld->tail++; + ld->bufb = tmp; + ld->bits_left += (32 - bits); + ld->bytes_used += 4; + if (ld->bytes_used == ld->buffer_size) + ld->no_more_reading = 1; + if (ld->bytes_used > ld->buffer_size) + ld->error = 1; +} + /* rewind to beginning */ void faad_rewindbits(bitfile *ld) { @@ -113,7 +140,7 @@ uint8_t *faad_getbitbuffer(bitfile *ld, uint32_t bits uint16_t bytes = (uint16_t)bits / 8; uint8_t remainder = (uint8_t)bits % 8; - uint8_t *buffer = (uint8_t*)malloc((bytes+1)*sizeof(uint8_t)); + uint8_t *buffer = (uint8_t*)faad_malloc((bytes+1)*sizeof(uint8_t)); for (i = 0; i < bytes; i++) { @@ -144,15 +171,9 @@ void faad_initbits_rev(bitfile *ld, void *buffer, ld->start = (uint32_t*)buffer + index - 2; tmp = getdword((uint32_t*)buffer + index); -#ifndef ARCH_IS_BIG_ENDIAN - BSWAP(tmp); -#endif ld->bufa = tmp; tmp = getdword((uint32_t*)buffer + index - 1); -#ifndef ARCH_IS_BIG_ENDIAN - BSWAP(tmp); -#endif ld->bufb = tmp; ld->tail = (uint32_t*)buffer + index; |