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feat: add the ability to use Sointu as a sync-tracker

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There is a new "sync" opcode that saves the top-most signal every 256 samples to the new "syncBuffer" output. Additionally, you can enable saving the current fractional row as sync[0], avoiding calculating the beat in the shader, but also calculating the beat correctly when the beat is modulated.
This commit is contained in:
vsariola
2021-03-09 23:47:27 +02:00
parent a3bdf565fd
commit 99dbdfe223
30 changed files with 375 additions and 88 deletions
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14
templates/amd64-386/player.h
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@ -13,6 +13,15 @@
#define SU_LENGTH_IN_ROWS (SU_LENGTH_IN_PATTERNS*SU_PATTERN_SIZE)
#define SU_SAMPLES_PER_ROW (SU_SAMPLE_RATE*60/(SU_BPM*SU_ROWS_PER_BEAT))
{{- if or .RowSync (.HasOp "sync")}}
{{- if .RowSync}}
#define SU_NUMSYNCS {{add1 .Song.Patch.NumSyncs}}
{{- else}}
#define SU_NUMSYNCS {{.Song.Patch.NumSyncs}}
{{- end}}
#define SU_SYNCBUFFER_LENGTH ((SU_LENGTH_IN_SAMPLES+255)>>8)*SU_NUMSYNCS
{{- end}}
#include <stdint.h>
#if UINTPTR_MAX == 0xffffffff
#if defined(__clang__) || defined(__GNUC__)
@ -39,7 +48,12 @@ typedef float SUsample;
extern "C" {
#endif
{{- if or .RowSync (.HasOp "sync")}}
void SU_CALLCONV su_render_song(SUsample *buffer,float *syncBuffer);
#define SU_SYNC
{{- else}}
void SU_CALLCONV su_render_song(SUsample *buffer);
{{- end}}
{{- if gt (.SampleOffsets | len) 0}}
void SU_CALLCONV su_load_gmdls();
#define SU_LOAD_GMDLS