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-rw-r--r--src/modules/bluetooth/sbc.h22
1 files changed, 17 insertions, 5 deletions
diff --git a/src/modules/bluetooth/sbc.h b/src/modules/bluetooth/sbc.h
index f9d506bc..25a12885 100644
--- a/src/modules/bluetooth/sbc.h
+++ b/src/modules/bluetooth/sbc.h
@@ -31,6 +31,7 @@ extern "C" {
#endif
#include <stdint.h>
+#include <sys/types.h>
/* sampling frequency */
#define SBC_FREQ_16000 0x00
@@ -84,11 +85,22 @@ int sbc_reinit(sbc_t *sbc, unsigned long flags);
int sbc_parse(sbc_t *sbc, void *input, int input_len);
int sbc_decode(sbc_t *sbc, void *input, int input_len, void *output,
int output_len, int *len);
-int sbc_encode(sbc_t *sbc, void *input, int input_len, void *output,
- int output_len, int *written);
-int sbc_get_frame_length(sbc_t *sbc);
-int sbc_get_frame_duration(sbc_t *sbc);
-uint16_t sbc_get_codesize(sbc_t *sbc);
+
+/* Encodes ONE input block into ONE output block */
+ssize_t sbc_encode(sbc_t *sbc,
+ const void *input, size_t input_len,
+ void *output, size_t output_len,
+ size_t *written);
+
+/* Returns the output block size in bytes */
+size_t sbc_get_frame_length(sbc_t *sbc);
+
+/* Returns the time one input/output block takes to play in msec*/
+unsigned sbc_get_frame_duration(sbc_t *sbc);
+
+/* Returns the input block size in bytes */
+size_t sbc_get_codesize(sbc_t *sbc);
+
const char *sbc_get_implementation_info(sbc_t *sbc);
void sbc_finish(sbc_t *sbc);