From 3fbd1dca6a4d2dad332a2110d646e4ffef36d590 Mon Sep 17 00:00:00 2001
From: James Zern <jzern@google.com>
Date: Mon, 25 Sep 2023 18:55:59 -0700
Subject: [PATCH] VP8: disallow thread count changes
Currently allocations are done at encoder creation time. Going from
threaded to non-threaded would cause a crash.
Bug: chromium:1486441
Change-Id: Ie301c2a70847dff2f0daae408fbef1e4d42e73d4
---
test/encode_api_test.cc | 4 ----
vp8/encoder/onyx_if.c | 5 +++++
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/vp8/encoder/onyx_if.c b/vp8/encoder/onyx_if.c
index c65afc643bf..c5e9970c3cc 100644
--- a/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@ -1447,6 +1447,11 @@ void vp8_change_config(VP8_COMP *cpi, VP8_CONFIG *oxcf) {
last_h = cpi->oxcf.Height;
prev_number_of_layers = cpi->oxcf.number_of_layers;
+ if (cpi->initial_width) {
+ // TODO(https://crbug.com/1486441): Allow changing thread counts; the
+ // allocation is done once in vp8_create_compressor().
+ oxcf->multi_threaded = cpi->oxcf.multi_threaded;
+ }
cpi->oxcf = *oxcf;
switch (cpi->oxcf.Mode) {