From 2c9da1b671d5515de1116b5a1d389dc83c2bc33d Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Sun, 8 May 2022 20:22:25 -0700
Subject: Avoid an ugly and confusing generate_n
---
examples/alffplay.cpp | 20 +++++++-------------
1 file changed, 7 insertions(+), 13 deletions(-)
diff --git a/examples/alffplay.cpp b/examples/alffplay.cpp
index 6847f8da..fef83707 100644
--- a/examples/alffplay.cpp
+++ b/examples/alffplay.cpp
@@ -694,21 +694,15 @@ static void sample_dup(uint8_t *out, const uint8_t *in, size_t count, size_t fra
{
auto *sample = reinterpret_cast<const T*>(in);
auto *dst = reinterpret_cast<T*>(out);
- if(frame_size == sizeof(T))
+
+ /* NOTE: frame_size is a multiple of sizeof(T). */
+ size_t type_mult{frame_size / sizeof(T)};
+ if(type_mult == 1)
std::fill_n(dst, count, *sample);
- else
+ else for(size_t i{0};i < count;++i)
{
- /* NOTE: frame_size is a multiple of sizeof(T). */
- size_t type_mult{frame_size / sizeof(T)};
- size_t i{0};
- std::generate_n(dst, count*type_mult,
- [sample,type_mult,&i]() -> T
- {
- T ret = sample[i];
- i = (i+1)%type_mult;
- return ret;
- }
- );
+ for(size_t j{0};j < type_mult;++j)
+ dst[i*type_mult + j] = sample[j];
}
}
--
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