libfaad2/decoder.h

   1 /*
   2 ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
   3 ** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
   4 **
   5 ** This program is free software; you can redistribute it and/or modify
   6 ** it under the terms of the GNU General Public License as published by
   7 ** the Free Software Foundation; either version 2 of the License, or
   8 ** (at your option) any later version.
   9 **
  10 ** This program is distributed in the hope that it will be useful,
  11 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 ** GNU General Public License for more details.
  14 **
  15 ** You should have received a copy of the GNU General Public License
  16 ** along with this program; if not, write to the Free Software
  17 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18 **
  19 ** Any non-GPL usage of this software or parts of this software is strictly
  20 ** forbidden.
  21 **
  22 ** Commercial non-GPL licensing of this software is possible.
  23 ** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
  24 **
  25 ** $Id: decoder.h,v 1.44 2004/09/04 14:56:28 menno Exp $
  26 **/
  27
  28 #ifndef __DECODER_H__
  29 #define __DECODER_H__
  30
  31 #ifdef __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 #ifdef _WIN32
  36   #pragma pack(push, 8)
  37   #ifndef NEAACDECAPI
  38     #define NEAACDECAPI __cdecl
  39   #endif
  40 #else
  41   #ifndef NEAACDECAPI
  42     #define NEAACDECAPI
  43   #endif
  44 #endif
  45
  46
  47 /* library output formats */
  48 #define FAAD_FMT_16BIT  1
  49 #define FAAD_FMT_24BIT  2
  50 #define FAAD_FMT_32BIT  3
  51 #define FAAD_FMT_FLOAT  4
  52 #define FAAD_FMT_FIXED  FAAD_FMT_FLOAT
  53 #define FAAD_FMT_DOUBLE 5
  54
  55 #define LC_DEC_CAP            (1<<0)
  56 #define MAIN_DEC_CAP          (1<<1)
  57 #define LTP_DEC_CAP           (1<<2)
  58 #define LD_DEC_CAP            (1<<3)
  59 #define ERROR_RESILIENCE_CAP  (1<<4)
  60 #define FIXED_POINT_CAP       (1<<5)
  61
  62 #define FRONT_CHANNEL_CENTER (1)
  63 #define FRONT_CHANNEL_LEFT   (2)
  64 #define FRONT_CHANNEL_RIGHT  (3)
  65 #define SIDE_CHANNEL_LEFT    (4)
  66 #define SIDE_CHANNEL_RIGHT   (5)
  67 #define BACK_CHANNEL_LEFT    (6)
  68 #define BACK_CHANNEL_RIGHT   (7)
  69 #define BACK_CHANNEL_CENTER  (8)
  70 #define LFE_CHANNEL          (9)
  71 #define UNKNOWN_CHANNEL      (0)
  72
  73 char* NEAACDECAPI NeAACDecGetErrorMessage(uint8_t errcode);
  74
  75 uint32_t NEAACDECAPI NeAACDecGetCapabilities(void);
  76
  77 NeAACDecHandle NEAACDECAPI NeAACDecOpen(void);
  78
  79 NeAACDecConfigurationPtr NEAACDECAPI NeAACDecGetCurrentConfiguration(NeAACDecHandle hDecoder);
  80
  81 uint8_t NEAACDECAPI NeAACDecSetConfiguration(NeAACDecHandle hDecoder,
  82                                              NeAACDecConfigurationPtr config);
  83
  84 /* Init the library based on info from the AAC file (ADTS/ADIF) */
  85 int32_t NEAACDECAPI NeAACDecInit(NeAACDecHandle hDecoder,
  86                                  uint8_t *buffer,
  87                                  uint32_t buffer_size,
  88                                  uint32_t *samplerate,
  89                                  uint8_t *channels,
  90                                  int      latm_stream);
  91
  92 /* Init the library using a DecoderSpecificInfo */
  93 int8_t NEAACDECAPI NeAACDecInit2(NeAACDecHandle hDecoder, uint8_t *pBuffer,
  94                                  uint32_t SizeOfDecoderSpecificInfo,
  95                                  uint32_t *samplerate, uint8_t *channels);
  96
  97 /* Init the library for DRM */
  98 int8_t NEAACDECAPI NeAACDecInitDRM(NeAACDecHandle *hDecoder, uint32_t samplerate,
  99                                    uint8_t channels);
 100
 101 void NEAACDECAPI NeAACDecClose(NeAACDecHandle hDecoder);
 102
 103 void NEAACDECAPI NeAACDecPostSeekReset(NeAACDecHandle hDecoder, int32_t frame);
 104
 105 void* NEAACDECAPI NeAACDecDecode(NeAACDecHandle hDecoder,
 106                                  NeAACDecFrameInfo *hInfo,
 107                                  uint8_t *buffer,
 108                                  uint32_t buffer_size);
 109
 110 void* NEAACDECAPI NeAACDecDecode2(NeAACDecHandle hDecoder,
 111                                   NeAACDecFrameInfo *hInfo,
 112                                   uint8_t *buffer, uint32_t buffer_size,
 113                                   void **sample_buffer, uint32_t sample_buffer_size);
 114
 115 #ifdef _WIN32
 116   #pragma pack(pop)
 117 #endif
 118
 119 #ifdef __cplusplus
 120 }
 121 #endif
 122 #endif