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feat: snap sample selection boundaries to deterministic nearby zero crossings

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This commit is contained in:
Johannes Findeisen 2026-11-06 01:08:30 +01:00
commit edeeb8e8bb
8 changed files with 37 additions and 5 deletions
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2
tests/integration/test_gui.cpp
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@ -199,7 +199,7 @@ static int sample_editor_tests()
CHECK(e->process(XTC_SAMPLE_FADE_IN_POWER)==XTC_OK);CHECK(e->undo_sample()==XTC_OK);
CHECK(e->process(XTC_SAMPLE_REMOVE_DC)==XTC_OK);CHECK(e->undo_sample()==XTC_OK);
CHECK(e->process(XTC_SAMPLE_INVERT)==XTC_OK);CHECK(e->undo_sample()==XTC_OK);
CHECK(e->process(XTC_SAMPLE_REVERSE)==XTC_OK);CHECK(e->undo_sample()==XTC_OK);CHECK(xtc_sample_read(e->sample(),10,&after)==XTC_OK && before==after);CHECK(e->undo_sample()==XTC_OK);CHECK(e->select(100,10)==XTC_ERR_INVALID_ARGUMENT);CHECK(e->view(10,8)==XTC_OK);size_t b=e->begin(),z=e->end();CHECK(e->select_audible(1,0)==XTC_ERR_NOT_FOUND && e->begin()==b && e->end()==z);CHECK(e->select(0,e->frames())==XTC_OK);CHECK(e->select_audible(.01,2)==XTC_OK);CHECK(e->view(e->frames(),1)==XTC_ERR_INVALID_ARGUMENT);e->hide();}},nullptr);
CHECK(e->process(XTC_SAMPLE_REVERSE)==XTC_OK);CHECK(e->undo_sample()==XTC_OK);CHECK(xtc_sample_read(e->sample(),10,&after)==XTC_OK && before==after);CHECK(e->undo_sample()==XTC_OK);CHECK(e->select(100,10)==XTC_ERR_INVALID_ARGUMENT);CHECK(e->view(10,8)==XTC_OK);size_t b=e->begin(),z=e->end();CHECK(e->select_audible(1,0)==XTC_ERR_NOT_FOUND && e->begin()==b && e->end()==z);CHECK(e->select(0,e->frames())==XTC_OK);CHECK(e->select_audible(.01,2)==XTC_OK);CHECK(e->select(0,e->frames())==XTC_OK);CHECK(e->snap_zero_crossings(65536)==XTC_OK);CHECK(e->view(e->frames(),1)==XTC_ERR_INVALID_ARGUMENT);e->hide();}},nullptr);
CHECK(window.open_sample_editor()==XTC_OK);CHECK(s->selected_clip()!=UINT64_MAX);
uint64_t id=s->selected_clip();CHECK(window.trim_sample_clip(id,48000,2400,12000)==XTC_OK);
xtc_clip_info clip{};CHECK(xtc_project_find_clip(s->project(),id,&clip)==XTC_OK && clip.offset_tick==96 && clip.length_tick==384);

5
tests/unit/test_sample.c
View file

@ -59,5 +59,10 @@ int main(void)
assert(xtc_sample_audible_bounds(s,0,8,.25,2,&b,&e)==XTC_OK && b==0 && e==8);
b=e=999;assert(xtc_sample_audible_bounds(s,4,6,0,0,&b,&e)==XTC_ERR_NOT_FOUND && b==999 && e==999);
assert(xtc_sample_audible_bounds(s,0,8,NAN,0,&b,&e)==XTC_ERR_INVALID_ARGUMENT && b==999);}
{size_t crossing=999;assert(xtc_sample_zero_crossing(s,1,1,&crossing)==XTC_OK && crossing==0);
assert(xtc_sample_zero_crossing(s,6,0,&crossing)==XTC_ERR_NOT_FOUND && crossing==0);
assert(xtc_sample_zero_crossing(s,6,1,&crossing)==XTC_OK && crossing==5);
assert(xtc_sample_zero_crossing(s,8,1,&crossing)==XTC_OK && crossing==7);
assert(xtc_sample_zero_crossing(s,0,65537,&crossing)==XTC_ERR_INVALID_ARGUMENT && crossing==7);}
xtc_sample_destroy(s);assert(unlink(path)==0 && rmdir(root)==0);puts("Sample editor core tests passed.");return 0;
}