codal_port/modaudio: Round up AudioFrame size to nearest 32.

dpgeorge · dpgeorge · commit bfa25ab360fd · 2024-03-25T16:36:30.000+11:00
Signed-off-by: Damien George &lt;damien@micropython.org&gt;
diff --git a/src/codal_port/modaudio.c b/src/codal_port/modaudio.c
@@ -332,6 +332,8 @@ STATIC mp_obj_t microbit_audio_frame_new(const mp_obj_type_t *type_in, size_t n_
         mp_raise_ValueError(MP_ERROR_TEXT("size out of bounds"));
     } else {
         size = args[ARG_duration].u_int * rate / 1000;
+        // Round up the size to the nearest AUDIO_CHUNK_SIZE.
+        size = (size + AUDIO_CHUNK_SIZE - 1) & ~(AUDIO_CHUNK_SIZE - 1);
     }
 
     return microbit_audio_frame_make_new(size, rate);

Original file line number	Diff line number	Diff line change
`@@ -332,6 +332,8 @@ STATIC mp_obj_t microbit_audio_frame_new(const mp_obj_type_t *type_in, size_t n_`
`332`	`332`	`mp_raise_ValueError(MP_ERROR_TEXT("size out of bounds"));`
`333`	`333`	`} else {`
`334`	`334`	`size = args[ARG_duration].u_int * rate / 1000;`
	`335`	`+ // Round up the size to the nearest AUDIO_CHUNK_SIZE.`
	`336`	`+ size = (size + AUDIO_CHUNK_SIZE - 1) & ~(AUDIO_CHUNK_SIZE - 1);`
`335`	`337`	`}`
`336`	`338`
`337`	`339`	`return microbit_audio_frame_make_new(size, rate);`