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/drm_dec.h | 98 ++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 lib/rbcodec/codecs/libfaad/drm_dec.h (limited to 'lib/rbcodec/codecs/libfaad/drm_dec.h') diff --git a/lib/rbcodec/codecs/libfaad/drm_dec.h b/lib/rbcodec/codecs/libfaad/drm_dec.h new file mode 100644 index 0000000000..d7ae9d0166 --- /dev/null +++ b/lib/rbcodec/codecs/libfaad/drm_dec.h @@ -0,0 +1,98 @@ +/* +** 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 __DRM_DEC_H__ +#define __DRM_DEC_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "bits.h" + +#define DRM_PARAMETRIC_STEREO 0 +#define DRM_NUM_SA_BANDS 8 +#define DRM_NUM_PAN_BANDS 20 +#define NUM_OF_LINKS 3 +#define NUM_OF_QMF_CHANNELS 64 +#define NUM_OF_SUBSAMPLES 30 +#define MAX_SA_BAND 46 +#define MAX_PAN_BAND 64 +#define MAX_DELAY 5 + +typedef struct +{ + uint8_t drm_ps_data_available; + uint8_t bs_enable_sa; + uint8_t bs_enable_pan; + + uint8_t bs_sa_dt_flag; + uint8_t bs_pan_dt_flag; + + uint8_t g_last_had_sa; + uint8_t g_last_had_pan; + + int8_t bs_sa_data[DRM_NUM_SA_BANDS]; + int8_t bs_pan_data[DRM_NUM_PAN_BANDS]; + + int8_t g_sa_index[DRM_NUM_SA_BANDS]; + int8_t g_pan_index[DRM_NUM_PAN_BANDS]; + int8_t g_prev_sa_index[DRM_NUM_SA_BANDS]; + int8_t g_prev_pan_index[DRM_NUM_PAN_BANDS]; + + int8_t sa_decode_error; + int8_t pan_decode_error; + + int8_t g_last_good_sa_index[DRM_NUM_SA_BANDS]; + int8_t g_last_good_pan_index[DRM_NUM_PAN_BANDS]; + + qmf_t SA[NUM_OF_SUBSAMPLES][MAX_SA_BAND]; + + complex_t d_buff[2][MAX_SA_BAND]; + complex_t d2_buff[NUM_OF_LINKS][MAX_DELAY][MAX_SA_BAND]; + + uint8_t delay_buf_index_ser[NUM_OF_LINKS]; + + real_t prev_nrg[MAX_SA_BAND]; + real_t prev_peakdiff[MAX_SA_BAND]; + real_t peakdecay_fast[MAX_SA_BAND]; +} drm_ps_info; + + +uint16_t drm_ps_data(drm_ps_info *ps, bitfile *ld); + +drm_ps_info *drm_ps_init(void); + +uint8_t drm_ps_decode(drm_ps_info *ps, uint8_t guess, uint32_t samplerate, + qmf_t X_left[MAX_NTSRPS][64], + qmf_t X_right[MAX_NTSRPS][64]); + +#ifdef __cplusplus +} +#endif +#endif + -- cgit v1.2.3