diff options
Diffstat (limited to 'sbc/sbc_primitives.h')
| -rw-r--r-- | sbc/sbc_primitives.h | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/sbc/sbc_primitives.h b/sbc/sbc_primitives.h index a418ed8a..5b7c9acb 100644 --- a/sbc/sbc_primitives.h +++ b/sbc/sbc_primitives.h @@ -27,6 +27,7 @@ #define __SBC_PRIMITIVES_H #define SCALE_OUT_BITS 15 +#define SBC_X_BUFFER_SIZE 328 #ifdef __GNUC__ #define SBC_ALWAYS_INLINE __attribute__((always_inline)) @@ -35,17 +36,28 @@ #endif struct sbc_encoder_state { - int subbands; - int position[2]; - int16_t SBC_ALIGNED X[2][256]; + int position; + int16_t SBC_ALIGNED X[2][SBC_X_BUFFER_SIZE]; /* Polyphase analysis filter for 4 subbands configuration, * it handles 4 blocks at once */ - void (*sbc_analyze_4b_4s)(int16_t *pcm, int16_t *x, - int32_t *out, int out_stride); + void (*sbc_analyze_4b_4s)(int16_t *x, int32_t *out, int out_stride); /* Polyphase analysis filter for 8 subbands configuration, * it handles 4 blocks at once */ - void (*sbc_analyze_4b_8s)(int16_t *pcm, int16_t *x, - int32_t *out, int out_stride); + void (*sbc_analyze_4b_8s)(int16_t *x, int32_t *out, int out_stride); + /* Process input data (deinterleave, endian conversion, reordering), + * depending on the number of subbands and input data byte order */ + int (*sbc_enc_process_input_4s_le)(int position, + const uint8_t *pcm, int16_t X[2][SBC_X_BUFFER_SIZE], + int nsamples, int nchannels); + int (*sbc_enc_process_input_4s_be)(int position, + const uint8_t *pcm, int16_t X[2][SBC_X_BUFFER_SIZE], + int nsamples, int nchannels); + int (*sbc_enc_process_input_8s_le)(int position, + const uint8_t *pcm, int16_t X[2][SBC_X_BUFFER_SIZE], + int nsamples, int nchannels); + int (*sbc_enc_process_input_8s_be)(int position, + const uint8_t *pcm, int16_t X[2][SBC_X_BUFFER_SIZE], + int nsamples, int nchannels); }; /* |