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ebur128: work around libebur128 bug

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Versions 1.2.5 and 1.2.6 don't scale the window in ms correctly, leading
to excessive memory allocation, so work around this here.
See https://github.com/jiixyj/libebur128/pull/132

Fixes #4646
This commit is contained in:
Wim Taymans 2025-04-14 11:19:44 +02:00
parent 3140ede326
commit 57326d65d9
1 changed files with 8 additions and 1 deletions
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9
spa/plugins/filter-graph/ebur128_plugin.c
View file

@ -235,6 +235,8 @@ static void ebur128_cleanup(void * Instance)
static void ebur128_activate(void * Instance) static void ebur128_activate(void * Instance)
{ {
struct ebur128_impl *impl = Instance; struct ebur128_impl *impl = Instance;
unsigned long max_window;
int major, minor, patch;
int mode = 0, i; int mode = 0, i;
int modes[] = { int modes[] = {
EBUR128_MODE_M, EBUR128_MODE_M,
@ -264,12 +266,17 @@ static void ebur128_activate(void * Instance)
mode |= modes[i]; mode |= modes[i];
} }
ebur128_get_version(&major, &minor, &patch);
max_window = impl->max_window;
if (major == 1 && minor == 2 && (patch == 5 || patch == 6))
max_window = (max_window + 999) / 1000;
for (i = 0; i < 7; i++) { for (i = 0; i < 7; i++) {
impl->st[i] = ebur128_init(1, impl->rate, mode); impl->st[i] = ebur128_init(1, impl->rate, mode);
if (impl->st[i]) { if (impl->st[i]) {
ebur128_set_channel(impl->st[i], i, channels[i]); ebur128_set_channel(impl->st[i], i, channels[i]);
ebur128_set_max_history(impl->st[i], impl->max_history); ebur128_set_max_history(impl->st[i], impl->max_history);
ebur128_set_max_window(impl->st[i], impl->max_window); ebur128_set_max_window(impl->st[i], max_window);
} }
} }
} }