audiocore: use mp_obj_t in prototypes

Author: jepler

shared-module/audiocore/__init__.h

@@ -39,14 +39,14 @@ typedef enum {
     GET_BUFFER_ERROR,           // Error while reading data.
 } audioio_get_buffer_result_t;
 
-typedef uint32_t (*audiosample_sample_rate_fun)(void* sample_obj);
-typedef uint8_t (*audiosample_bits_per_sample_fun)(void* sample_obj);
-typedef uint8_t (*audiosample_channel_count_fun)(void* sample_obj);
-typedef void (*audiosample_reset_buffer_fun)(void* sample_obj);
-typedef audioio_get_buffer_result_t (*audiosample_get_buffer_fun)(void* sample_obj,
+typedef uint32_t (*audiosample_sample_rate_fun)(mp_obj_t);
+typedef uint8_t (*audiosample_bits_per_sample_fun)(mp_obj_t);
+typedef uint8_t (*audiosample_channel_count_fun)(mp_obj_t);
+typedef void (*audiosample_reset_buffer_fun)(mp_obj_t);
+typedef audioio_get_buffer_result_t (*audiosample_get_buffer_fun)(mp_obj_t,
         bool single_channel, uint8_t channel, uint8_t** buffer,
         uint32_t* buffer_length);
-typedef void (*audiosample_get_buffer_structure_fun)(void* sample_obj,
+typedef void (*audiosample_get_buffer_structure_fun)(mp_obj_t,
         bool single_channel, bool* single_buffer,
         bool* samples_signed, uint32_t *max_buffer_length,
         uint8_t* spacing);