40 lines
845 B
C++
40 lines
845 B
C++
|
#pragma once
|
||
|
|
|
||
|
|
#include "./frame_stream2.hpp"
|
||
|
|
|
||
|
|
#include <solanaceae/util/span.hpp>
|
||
|
|
|
||
|
|
#include <cstdint>
|
||
|
|
#include <variant>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
// raw audio
|
||
|
|
// channels make samples interleaved,
|
||
|
|
// planar channels are not supported
|
||
|
|
// s16 only stopgap audio frame (simplified)
|
||
|
|
struct AudioFrame2 {
|
||
|
|
// samples per second
|
||
|
|
uint32_t sample_rate {48'000};
|
||
|
|
|
||
|
|
// only >0 is valid
|
||
|
|
size_t channels {0};
|
||
|
|
|
||
|
|
std::variant<
|
||
|
|
std::vector<int16_t>, // S16, platform endianess
|
||
|
|
Span<int16_t> // non owning variant, for direct consumption
|
||
|
|
> buffer;
|
||
|
|
|
||
|
|
// helpers
|
||
|
|
Span<int16_t> getSpan(void) const {
|
||
|
|
if (std::holds_alternative<std::vector<int16_t>>(buffer)) {
|
||
|
|
return Span<int16_t>{std::get<std::vector<int16_t>>(buffer)};
|
||
|
|
} else {
|
||
|
|
return std::get<Span<int16_t>>(buffer);
|
||
|
|
}
|
||
|
|
return {};
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
using AudioFrame2Stream2I = FrameStream2I<AudioFrame2>;
|
||
|
|
|