jepler/circuitpython
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Fix 16-bit unsigned integer silence within audio effects.

Browse source
This commit is contained in:
dcooperdalrymple 2024-11-05 08:41:23 -06:00
parent 63c3e394d3
commit 0aab00d7e5
2 changed files with 8 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
shared-module/audiodelays/Echo.c
View file

@ -342,7 +342,10 @@ audioio_get_buffer_result_t audiodelays_echo_get_buffer(audiodelays_echo_obj_t *
} else {
// For unsigned samples set to the middle which is "quiet"
if (MP_LIKELY(self->bits_per_sample == 16)) {
memset(word_buffer, 32768, length * (self->bits_per_sample / 8));
uint16_t *uword_buffer = (uint16_t *)word_buffer;
while (length--) {
*uword_buffer++ = 32768;
}
} else {
memset(hword_buffer, 128, length * (self->bits_per_sample / 8));
}

5
shared-module/audiofilters/Filter.c
View file

@ -246,7 +246,10 @@ audioio_get_buffer_result_t audiofilters_filter_get_buffer(audiofilters_filter_o
} else {
// For unsigned samples set to the middle which is "quiet"
if (MP_LIKELY(self->bits_per_sample == 16)) {
memset(word_buffer, 32768, length * (self->bits_per_sample / 8));
uint16_t *uword_buffer = (uint16_t *)word_buffer;
while (length--) {
*uword_buffer++ = 32768;
}
} else {
memset(hword_buffer, 128, length * (self->bits_per_sample / 8));
}