How to convert sample type

Convert one channel of audio

If input and output formats are both known at compile time

const float input[7] = {0.f, 0.25f, -0.25f, 0.5f, -0.5f, 1.f, -1.f};
int16_t output[7];
convert(output, input, 7);
println(make_univector(output, 7));

If input format is not known at compile time

const void* input;
int16_t* output;
size_t size;
audio_sample_type in_type = audio_sample_type::i24; // known at runtime
convert(output, input, in_type, size);

If output format is not known at compile time

const float* input;
void* output;
size_t size;
audio_sample_type out_type = audio_sample_type::i24; // known at runtime
convert(output, out_type, input, size);

Interleaving

const float* inputs[];
int16_t* output;
size_t channels;
size_t size;
interleave(output, inputs, channels, size);

Deinterleaving

const float* input;
int16_t* outputs[];
size_t channels;
size_t size;
deinterleave(outputs, input, channels, size);

Convert single audio sample

i24 s = convert_sample<i24, f32>(1.f);

Supported formats

Constant	Type	Description	Range
audio_sample_type::i8	i8	8-bit signed	-127..+127
audio_sample_type::i16	i16	16-bit signed	-32767..+32767
audio_sample_type::i24	i24	24-bit signed	-8388607..+8388607
audio_sample_type::i32	i32	32-bit signed	-2147483647..+2147483647
audio_sample_type::i64	i64	64-bit signed	-9223372036854775807..+9223372036854775807
audio_sample_type::f32	f32	32-bit IEEE	-1..+1
audio_sample_type::f64	f64	64-bit IEEE	-1..+1