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add constructor parameter controlling reservation of number of voices

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This commit is contained in:
Chris
2025-06-20 15:23:03 +02:00
parent 83b5f9c877
commit 24ef40bc07
2 changed files with 10 additions and 3 deletions
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6
synth/midi_synth.h
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@@ -3,6 +3,7 @@
#include "ivoice.h" #include "ivoice.h"
#include "midi_event.h" #include "midi_event.h"
#include "voice_allocator.h" #include "voice_allocator.h"
#include <cstddef>
#include <cstring> #include <cstring>
#include <vector> #include <vector>
@@ -13,9 +14,12 @@ namespace trnr {
template <typename t_voice, typename t_sample> template <typename t_voice, typename t_sample>
class midi_synth : public voice_allocator<t_voice, t_sample> { class midi_synth : public voice_allocator<t_voice, t_sample> {
public: public:
midi_synth() midi_synth(size_t voice_reserve = 1)
: m_voices_active {false} : m_voices_active {false}
{ {
// call base constructor with a reserve of 1 voice
voice_allocator<t_voice, t_sample>::set_voice_count(voice_reserve);
// checks whether template derives from ivoice // checks whether template derives from ivoice
typedef t_voice assert_at_compile_time[is_convertible<t_voice, t_sample>::value ? 1 : -1]; typedef t_voice assert_at_compile_time[is_convertible<t_voice, t_sample>::value ? 1 : -1];
} }

7
synth/voice_allocator.h
View File

@@ -3,6 +3,7 @@
#include "ivoice.h" #include "ivoice.h"
#include "midi_event.h" #include "midi_event.h"
#include <algorithm> #include <algorithm>
#include <cassert>
#include <functional> #include <functional>
#include <memory> #include <memory>
#include <vector> #include <vector>
@@ -14,12 +15,14 @@ class voice_allocator {
public: public:
std::vector<std::shared_ptr<t_voice>> voice_ptrs; std::vector<std::shared_ptr<t_voice>> voice_ptrs;
voice_allocator() voice_allocator(size_t voice_reserve = 1)
{ {
// checks whether template derives from ivoice // checks whether template derives from ivoice
typedef t_voice assert_at_compile_time[is_convertible<t_voice, t_sample>::value ? 1 : -1]; typedef t_voice assert_at_compile_time[is_convertible<t_voice, t_sample>::value ? 1 : -1];
voice_ptrs.reserve(8); assert(voice_reserve > 0 && "voice_reserve must be greater than 0");
voice_ptrs.reserve(voice_reserve);
} }
void set_voice_count(const int& voice_count) void set_voice_count(const int& voice_count)