From f40bfc9267b13b54e6379dfe7539447662879d24 Mon Sep 17 00:00:00 2001 From: Sean Bartell Date: Sat, 25 Jun 2011 21:32:25 -0400 Subject: Add codecs to librbcodec. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97 Reviewed-on: http://gerrit.rockbox.org/137 Reviewed-by: Nils Wallménius Tested-by: Nils Wallménius --- lib/rbcodec/codecs/libfaad/is.h | 64 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 lib/rbcodec/codecs/libfaad/is.h (limited to 'lib/rbcodec/codecs/libfaad/is.h') diff --git a/lib/rbcodec/codecs/libfaad/is.h b/lib/rbcodec/codecs/libfaad/is.h new file mode 100644 index 0000000000..1b68f3ec49 --- /dev/null +++ b/lib/rbcodec/codecs/libfaad/is.h @@ -0,0 +1,64 @@ +/* +** 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 __IS_H__ +#define __IS_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "syntax.h" + +void is_decode(ic_stream *ics, ic_stream *icsr, real_t *l_spec, real_t *r_spec, + uint16_t frame_len); + +static INLINE int8_t is_intensity(ic_stream *ics, uint8_t group, uint8_t sfb) +{ + switch (ics->sfb_cb[group][sfb]) + { + case INTENSITY_HCB: + return 1; + case INTENSITY_HCB2: + return -1; + default: + return 0; + } +} + +static INLINE int8_t invert_intensity(ic_stream *ics, uint8_t group, uint8_t sfb) +{ + if (ics->ms_mask_present == 1) + return (1-2*ics->ms_used[group][sfb]); + return 1; +} + + +#ifdef __cplusplus +} +#endif +#endif -- cgit v1.2.3