shithub: dav1d

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

--- 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;

--- 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],

+    )