test: integrate unittests with meson

This reworks all of mpv's unit tests so they are compiled as separate
executables (optional) and run via meson test. Because most of the tests
are dependant on mpv's internals, existing compiled objects are
leveraged to create static libs and used when necessary. As an aside, a
function was moved into video/out/gpu/utils for sanity's sake (otherwise
most of vo would have been needed). As a plus, meson multithreads
running tests automatically and also the output no longer pollutes the
source directory. There are tests that can break due to ffmpeg changes,
so they require a specific minimum libavutil version to be built.

1 files changed, 9 insertions, 50 deletions

diff --git a/test/img_format.c b/test/img_format.c
index 8c4a7d45e5..3cc8ff5fe0 100644
--- a/test/img_format.c
+++ b/test/img_format.c
@@ -1,55 +1,16 @@
 #include <libavutil/frame.h>
 #include <libavutil/pixdesc.h>
 
-#include "tests.h"
+#include "img_utils.h"
+#include "options/path.h"
+#include "test_utils.h"
 #include "video/fmt-conversion.h"
 #include "video/img_format.h"
 #include "video/mp_image.h"
 #include "video/sws_utils.h"
 
-int imgfmts[IMGFMT_AVPIXFMT_END - IMGFMT_AVPIXFMT_START + 100];
-int num_imgfmts;
-
 static enum AVPixelFormat pixfmt_unsup[100];
 static int num_pixfmt_unsup;
-static bool imgfmts_initialized;
-
-static int cmp_imgfmt_name(const void *a, const void *b)
-{
-    char *name_a = mp_imgfmt_to_name(*(int *)a);
-    char *name_b = mp_imgfmt_to_name(*(int *)b);
-
-    return strcmp(name_a, name_b);
-}
-
-void init_imgfmts_list(void)
-{
-    if (imgfmts_initialized)
-        return;
-
-    const AVPixFmtDescriptor *avd = av_pix_fmt_desc_next(NULL);
-    for (; avd; avd = av_pix_fmt_desc_next(avd)) {
-        enum AVPixelFormat fmt = av_pix_fmt_desc_get_id(avd);
-        int mpfmt = pixfmt2imgfmt(fmt);
-        if (!mpfmt) {
-            assert(num_pixfmt_unsup < MP_ARRAY_SIZE(pixfmt_unsup));
-            pixfmt_unsup[num_pixfmt_unsup++] = fmt;
-        }
-    }
-
-    for (int fmt = IMGFMT_START; fmt <= IMGFMT_END; fmt++) {
-        struct mp_imgfmt_desc d = mp_imgfmt_get_desc(fmt);
-        enum AVPixelFormat pixfmt = imgfmt2pixfmt(fmt);
-        if (d.id || pixfmt != AV_PIX_FMT_NONE) {
-            assert(num_imgfmts < MP_ARRAY_SIZE(imgfmts)); // enlarge that array
-            imgfmts[num_imgfmts++] = fmt;
-        }
-    }
-
-    qsort(imgfmts, num_imgfmts, sizeof(imgfmts[0]), cmp_imgfmt_name);
-
-    imgfmts_initialized = true;
-}
 
 static const char *comp_type(enum mp_component_type type)
 {
@@ -60,11 +21,13 @@ static const char *comp_type(enum mp_component_type type)
     }
 }
 
-static void run(struct test_ctx *ctx)
+int main(int argc, char *argv[])
 {
     init_imgfmts_list();
+    const char *refdir = argv[1];
+    const char *outdir = argv[2];
 
-    FILE *f = test_open_out(ctx, "img_formats.txt");
+    FILE *f = test_open_out(outdir, "img_formats.txt");
 
     for (int z = 0; z < num_imgfmts; z++) {
         int mpfmt = imgfmts[z];
@@ -248,11 +211,7 @@ static void run(struct test_ctx *ctx)
 
     fclose(f);
 
-    assert_text_files_equal(ctx, "img_formats.txt", "img_formats.txt",
+    assert_text_files_equal(refdir, outdir, "img_formats.txt",
                             "This can fail if FFmpeg adds new formats or flags.");
+    return 0;
 }
-
-const struct unittest test_img_format = {
-    .name = "img_format",
-    .run = run,
-};