resampler_structs.h 2.6 KB

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  27. #ifndef SILK_RESAMPLER_STRUCTS_H
  28. #define SILK_RESAMPLER_STRUCTS_H
  29. #ifdef __cplusplus
  30. extern "C" {
  31. #endif
  32. #define SILK_RESAMPLER_MAX_FIR_ORDER 36
  33. #define SILK_RESAMPLER_MAX_IIR_ORDER 6
  34. typedef struct _silk_resampler_state_struct{
  35. opus_int32 sIIR[ SILK_RESAMPLER_MAX_IIR_ORDER ]; /* this must be the first element of this struct */
  36. union{
  37. opus_int32 i32[ SILK_RESAMPLER_MAX_FIR_ORDER ];
  38. opus_int16 i16[ SILK_RESAMPLER_MAX_FIR_ORDER ];
  39. } sFIR;
  40. opus_int16 delayBuf[ 48 ];
  41. opus_int resampler_function;
  42. opus_int batchSize;
  43. opus_int32 invRatio_Q16;
  44. opus_int FIR_Order;
  45. opus_int FIR_Fracs;
  46. opus_int Fs_in_kHz;
  47. opus_int Fs_out_kHz;
  48. opus_int inputDelay;
  49. const opus_int16 *Coefs;
  50. } silk_resampler_state_struct;
  51. #ifdef __cplusplus
  52. }
  53. #endif
  54. #endif /* SILK_RESAMPLER_STRUCTS_H */