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feat: compare mixer A/B snapshots with undo and qualify modern editing workflows

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This commit is contained in:
Johannes Findeisen 2026-11-06 00:25:23 +01:00
commit 1b668068de
14 changed files with 261 additions and 34 deletions
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62
tests/unit/test_modern_editing.c
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@ -1,8 +1,68 @@
#define _POSIX_C_SOURCE 200809L
#include "xtc/xtc_editing.h"
#include "xtc/xtc_audio.h"
#include "xtc/xtc_mixer.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
static void test_persistence_render(void)
{
xtc_project *p=NULL,*q=NULL;xtc_midi_plan *a=NULL,*b=NULL;
uint64_t t,c,n;char path[]="/tmp/xtc-modern-XXXXXX";float left[137],right[137];
xtc_midi_transform edit={0};size_t i;int nonzero=0,fd=mkstemp(path);assert(fd>=0);assert(close(fd)==0);
assert(xtc_project_create(&p)==XTC_OK && xtc_project_create(&q)==XTC_OK);
assert(xtc_project_add_track(p,"Track",&t)==XTC_OK && xtc_project_add_midi_clip(p,t,0,1920,&c)==XTC_OK);
assert(xtc_project_add_note(p,c,230,240,61,100,0,&n)==XTC_OK);
edit.grid=240;edit.swing=50;edit.strength=100;
assert(xtc_project_transform_midi(p,&c,1,&edit)==XTC_OK);
edit.type=XTC_MIDI_TRANSFORM_SCALE;edit.scale=1;assert(xtc_project_transform_midi(p,&c,1,&edit)==XTC_OK);
edit.type=XTC_MIDI_TRANSFORM_VELOCITY;edit.velocity_percent=50;assert(xtc_project_transform_midi(p,&c,1,&edit)==XTC_OK);
assert(xtc_project_repeat_clips(p,&c,1,2)==XTC_OK);
assert(xtc_project_save(p,path)==XTC_OK && xtc_project_load(q,path)==XTC_OK);
assert(xtc_midi_plan_create(p,48000,&a)==XTC_OK && xtc_midi_plan_create(q,48000,&b)==XTC_OK);
assert(xtc_midi_plan_render(a,8000,NULL,0,left,137)==XTC_OK);
assert(xtc_midi_plan_render(b,8000,NULL,0,right,137)==XTC_OK);
for(i=0;i<137;++i){assert(left[i]==right[i]);if(left[i]!=0)nonzero=1;}
assert(nonzero);xtc_midi_plan_destroy(a);xtc_midi_plan_destroy(b);
xtc_project_destroy(p);xtc_project_destroy(q);assert(unlink(path)==0);
}
static void test_clipboard_tracks(void)
{
xtc_project *p=NULL,*q=NULL;xtc_clipboard *board=NULL;uint64_t t,u,ids[2],out[2]={999,999};xtc_clip_info c;size_t tracks,clips;
assert(xtc_project_create(&p)==XTC_OK && xtc_project_create(&q)==XTC_OK);
assert(xtc_project_add_track(p,"One",&t)==XTC_OK && xtc_project_add_track(p,"Two",&u)==XTC_OK);
assert(xtc_project_add_clip(p,t,"A",100,240,&ids[0])==XTC_OK && xtc_project_add_clip(p,u,"B",200,240,&ids[1])==XTC_OK);
assert(xtc_clipboard_create(p,ids,2,&board)==XTC_OK);
assert(xtc_project_add_track(q,"Destination",&t)==XTC_OK);
assert(xtc_clipboard_paste(board,q,t,960,out)==XTC_ERR_NOT_FOUND && out[0]==999);
assert(xtc_project_get_counts(q,&tracks,&clips)==XTC_OK && clips==0);
assert(xtc_project_add_bus(q,"Bus",&u)==XTC_OK);
assert(xtc_clipboard_paste(board,q,t,960,out)==XTC_ERR_INVALID_STATE && out[0]==999);
assert(xtc_project_remove_track(q,u)==XTC_OK && xtc_project_add_track(q,"Next",&u)==XTC_OK);
assert(xtc_clipboard_paste(board,q,t,960,out)==XTC_OK);
assert(xtc_project_find_clip(q,out[1],&c)==XTC_OK && c.track_id==u && c.start_tick==1060);
xtc_clipboard_destroy(board);xtc_project_destroy(p);xtc_project_destroy(q);
}
static void test_mix_snapshot(void)
{
xtc_project *p=NULL;xtc_mix_snapshot *a=NULL,*b=NULL;uint64_t t,u;xtc_track_info track;
assert(xtc_project_create(&p)==XTC_OK && xtc_project_add_track(p,"Track",&t)==XTC_OK);
assert(xtc_project_add_bus(p,"Bus",&u)==XTC_OK);
assert(xtc_mix_snapshot_create(p,&a)==XTC_OK);
assert(xtc_project_set_mix(p,t,0.5f,-0.5f,1,1)==XTC_OK);
assert(xtc_mix_snapshot_create(p,&b)==XTC_OK);
assert(xtc_project_move_track(p,t,1)==XTC_OK && xtc_mix_snapshot_recall(a,p)==XTC_OK);
assert(xtc_project_get_track(p,1,&track)==XTC_OK && track.id==t && track.gain==1 && !track.mute);
assert(xtc_mix_snapshot_recall(b,p)==XTC_OK);
assert(xtc_project_get_track(p,1,&track)==XTC_OK && track.gain==0.5f && track.pan==-0.5f && track.mute && track.solo);
assert(xtc_project_remove_track(p,u)==XTC_OK && xtc_project_add_track(p,"Different",&u)==XTC_OK);
assert(xtc_mix_snapshot_recall(a,p)==XTC_ERR_NOT_FOUND);
assert(xtc_project_get_track(p,0,&track)==XTC_OK && track.id==t && track.gain==0.5f);
xtc_mix_snapshot_destroy(a);xtc_mix_snapshot_destroy(b);xtc_project_destroy(p);
}
static void test_fades(void)
{
xtc_project *p=NULL;uint64_t t,ids[2];xtc_clip_info c;
@ -122,7 +182,7 @@ static void test_repeat(void)
}
int main(void)
{
test_repeat();test_align_slip();test_swing();test_gate_legato();test_scale();test_velocity();test_fades();
test_repeat();test_align_slip();test_swing();test_gate_legato();test_scale();test_velocity();test_fades();test_mix_snapshot();test_clipboard_tracks();test_persistence_render();
xtc_project *p=NULL;uint64_t track,a,b,n,ids[2],out[2]={999,999};xtc_clip_info c;
size_t tracks,clips,notes;
assert(xtc_project_create(&p)==XTC_OK);