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This tests the RGB repacker code in zimg, which deserves to be tested because it's tricky and there will be more formats. scale_test.c contains some code that can be used to test any scaler. Or at least that would be great; currently it can only test repacking of some byte-aligned-component RGB formats. It should be called repack_test.c, but I'm too lazy to change the filename now. The idea is that libswscale is used to cross-check the conversions performed by the zimg wrapper. This is why it's "OK" that scale_test.c does libswscale calls. scale_sws.c is the equivalent to scale_zimg.c, and is of course worthless (because it tests libswscale by comparing the results with libswscale), but still might help with finding bugs in scale_test.c. This borrows a sorted list of image formats from test/img_format.c, for the same reason that file sorts them. There's a slight possibility that this can be used to test vo_gpu.c too some times in the future.
29 lines
732 B
C
29 lines
732 B
C
#pragma once
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#include "tests.h"
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#include "video/mp_image.h"
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struct scale_test_fns {
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bool (*scale)(void *ctx, struct mp_image *dst, struct mp_image *src);
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bool (*supports_fmts)(void *ctx, int imgfmt_dst, int imgfmt_src);
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};
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struct scale_test {
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// To be filled in by user.
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const struct scale_test_fns *fns;
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void *fns_priv;
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const char *test_name;
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struct test_ctx *ctx;
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// Private.
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struct mp_image *img_repack_rgb8;
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struct mp_image *img_repack_rgba8;
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struct mp_image *img_repack_rgb16;
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struct mp_image *img_repack_rgba16;
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struct mp_sws_context *sws;
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int fail;
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};
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// Test color repacking between packed formats (typically RGB).
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void repack_test_run(struct scale_test *stest);
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