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

dpgeorge · dpgeorge · commit 40979ac344d9 · 2024-09-18T12:03:33.000+10:00
Signed-off-by: Damien George &lt;damien@micropython.org&gt;
diff --git a/src/codal_port/modaudio.c b/src/codal_port/modaudio.c
@@ -329,6 +329,8 @@ 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
`@@ -329,6 +329,8 @@ static mp_obj_t microbit_audio_frame_new(const mp_obj_type_t *type_in, size_t n_`
`329`	`329`	`mp_raise_ValueError(MP_ERROR_TEXT("size out of bounds"));`
`330`	`330`	`} else {`
`331`	`331`	`size = args[ARG_duration].u_int * rate / 1000;`
	`332`	`+ // Round up the size to the nearest AUDIO_CHUNK_SIZE.`
	`333`	`+ size = (size + AUDIO_CHUNK_SIZE - 1) & ~(AUDIO_CHUNK_SIZE - 1);`
`332`	`334`	`}`
`333`	`335`
`334`	`336`	`return microbit_audio_frame_make_new(size, rate);`