commit bc803f00fd8c4cf4c5f882583c542d7d4c5e112d
author Janne Grunau <janne-vlc@jannau.net> Tue Oct 23 18:58:25 2018 +0200
committer Ronald S. Bultje <rsbultje@gmail.com> Tue Oct 23 22:20:44 2018 +0200
tree 02a0abf1da81308a2921744a2975799308effd19
parent f8e918a9f15c2971ab01b7cb511bb5f808c2b479

fuzzer: add a multithreaded fuzzer using 2 frame and tile threads

tests/libfuzzer/dav1d_fuzzer.c

diff --git a/tests/libfuzzer/dav1d_fuzzer.c b/tests/libfuzzer/dav1d_fuzzer.c
index f8ae520..876980f 100644
--- a/tests/libfuzzer/dav1d_fuzzer.c
+++ b/tests/libfuzzer/dav1d_fuzzer.c
@@ -53,6 +53,12 @@
 
     dav1d_default_settings(&settings);
 
+#ifdef DAV1D_MT_FUZZING
+    settings.n_frame_threads = settings.n_tile_threads = 2;
+#else
+    settings.n_frame_threads = settings.n_tile_threads = 1;
+#endif
+
     err = dav1d_open(&ctx, &settings);
     if (err < 0) goto end;
 

tests/meson.build

diff --git a/tests/meson.build b/tests/meson.build
index d55076b..00be051 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -103,3 +103,14 @@
     build_by_default: true,
     dependencies : [thread_dependency],
     )
+
+dav1d_fuzzer_mt = executable('dav1d_fuzzer_mt',
+    dav1d_fuzzer_sources,
+    include_directories: dav1d_inc_dirs,
+    c_args: [stackalign_flag, stackrealign_flag] + fuzzer_flags +
+            ['-DDAV1D_MT_FUZZING'],
+    link_args: fuzzer_flags,
+    link_with : libdav1d,
+    build_by_default: true,
+    dependencies : [thread_dependency],
+    )