src/aacenc.h

   1 /*
   2  * Copyright (C) 2013 nu774
   3  * For conditions of distribution and use, see copyright notice in COPYING
   4  */
   5 #ifndef AACENC_H
   6 #define AACENC_H
   7
   8 #include <fdk-aac/aacenc_lib.h>
   9 #include "lpcm.h"
  10
  11 #define AACENC_PARAMS \
  12     unsigned profile; \
  13     unsigned bitrate; \
  14     unsigned bitrate_mode; \
  15     unsigned bandwidth; \
  16     unsigned afterburner; \
  17     unsigned lowdelay_sbr; \
  18     unsigned sbr_ratio; \
  19     unsigned sbr_signaling; \
  20     unsigned transport_format; \
  21     unsigned adts_crc_check; \
  22     unsigned header_period;
  23
  24 typedef struct aacenc_param_t {
  25     AACENC_PARAMS
  26 } aacenc_param_t;
  27
  28 typedef struct aacenc_frame_t {
  29     uint8_t *data;
  30     uint32_t size, capacity;
  31 } aacenc_frame_t;
  32
  33 int aacenc_is_sbr_ratio_available();
  34
  35 int aacenc_is_sbr_active(const aacenc_param_t *params);
  36
  37 int aacenc_is_dual_rate_sbr(const aacenc_param_t *params);
  38
  39 void aacenc_get_lib_info(LIB_INFO *info);
  40
  41 int aacenc_mp4asc(const aacenc_param_t *params,
  42                   const uint8_t *asc, uint32_t ascsize,
  43                   uint8_t *outasc, uint32_t *outsize);
  44
  45 int aacenc_init(HANDLE_AACENCODER *encoder, const aacenc_param_t *params,
  46                 const pcm_sample_description_t *format,
  47                 AACENC_InfoStruct *info);
  48
  49 int aac_encode_frame(HANDLE_AACENCODER encoder,
  50                      const pcm_sample_description_t *format,
  51                      const int16_t *input, unsigned iframes,
  52                      aacenc_frame_t *output);
  53
  54 #endif