fix up sbc.h prototypes to use const/size_t wherever applicable

1 files changed, 25 insertions, 8 deletions

diff --git a/sbc/sbc.h b/sbc/sbc.h
index f9d506bc..9c1ebbd1 100644
--- a/sbc/sbc.h
+++ b/sbc/sbc.h
@@ -31,6 +31,7 @@ extern "C" {
 #endif
 
 #include <stdint.h>
+#include <sys/types.h>
 
 /* sampling frequency */
 #define SBC_FREQ_16000		0x00
@@ -81,14 +82,30 @@ typedef struct sbc_struct sbc_t;
 
 int sbc_init(sbc_t *sbc, unsigned long flags);
 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);
+
+ssize_t sbc_parse(sbc_t *sbc, const void *input, size_t input_len);
+
+/* Decodes ONE input block into ONE output block */
+ssize_t sbc_decode(sbc_t *sbc,
+		   const void *input, size_t input_len,
+		   void *output, size_t output_len,
+		   size_t *written);
+
+/* 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);