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/liba52/a52.h | 67 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 lib/rbcodec/codecs/liba52/a52.h (limited to 'lib/rbcodec/codecs/liba52/a52.h') diff --git a/lib/rbcodec/codecs/liba52/a52.h b/lib/rbcodec/codecs/liba52/a52.h new file mode 100644 index 0000000000..e852e8d6bb --- /dev/null +++ b/lib/rbcodec/codecs/liba52/a52.h @@ -0,0 +1,67 @@ +/* + * a52.h + * Copyright (C) 2000-2003 Michel Lespinasse + * Copyright (C) 1999-2000 Aaron Holtzman + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef A52_H +#define A52_H + +#if defined(LIBA52_FIXED) +typedef int32_t sample_t; +typedef int32_t level_t; +#elif defined(LIBA52_DOUBLE) +typedef double sample_t; +typedef double level_t; +#else +typedef float sample_t; +typedef float level_t; +#endif + +typedef struct a52_state_s a52_state_t; + +#define A52_CHANNEL 0 +#define A52_MONO 1 +#define A52_STEREO 2 +#define A52_3F 3 +#define A52_2F1R 4 +#define A52_3F1R 5 +#define A52_2F2R 6 +#define A52_3F2R 7 +#define A52_CHANNEL1 8 +#define A52_CHANNEL2 9 +#define A52_DOLBY 10 +#define A52_CHANNEL_MASK 15 + +#define A52_LFE 16 +#define A52_ADJUST_LEVEL 32 + +a52_state_t * a52_init (uint32_t mm_accel); +sample_t * a52_samples (a52_state_t * state); +int a52_syncinfo (uint8_t * buf, int * flags, + int * sample_rate, int * bit_rate); +int a52_frame (a52_state_t * state, uint8_t * buf, int * flags, + level_t * level, sample_t bias); +void a52_dynrng (a52_state_t * state, + level_t (* call) (level_t, void *), void * data); +int a52_block (a52_state_t * state); +void a52_free (a52_state_t * state); + +#endif /* A52_H */ -- cgit v1.2.3