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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.
41 lines
936 B
C
41 lines
936 B
C
#include "scale_test.h"
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#include "video/zimg.h"
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static bool scale(void *pctx, struct mp_image *dst, struct mp_image *src)
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{
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struct mp_zimg_context *ctx = pctx;
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return mp_zimg_convert(ctx, dst, src);
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}
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static bool supports_fmts(void *pctx, int imgfmt_dst, int imgfmt_src)
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{
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return mp_zimg_supports_in_format(imgfmt_src) &&
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mp_zimg_supports_out_format(imgfmt_dst);
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}
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static const struct scale_test_fns fns = {
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.scale = scale,
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.supports_fmts = supports_fmts,
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};
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static void run(struct test_ctx *ctx)
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{
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struct mp_zimg_context *zimg = mp_zimg_alloc();
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struct scale_test *stest = talloc_zero(NULL, struct scale_test);
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stest->fns = &fns;
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stest->fns_priv = zimg;
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stest->test_name = "repack_zimg";
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stest->ctx = ctx;
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repack_test_run(stest);
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talloc_free(stest);
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talloc_free(zimg);
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}
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const struct unittest test_repack_zimg = {
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.name = "repack_zimg",
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.run = run,
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};
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