a52.h
资源名称:tcpmp.rar [点击查看]
上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:2k
源码类别:
Windows CE
开发平台:
C/C++
- /*
- * a52.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- #ifndef A52_H
- #define A52_H
- #include "../avcodec.h"
- #undef malloc
- #undef free
- #undef realloc
- #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 */