tinymodem::PcmInput Class Reference

Assembles the PCM frames from the written bytes and provides the samples of the selected channel as float (-1.0 to 1.0). Supports 8, 16 and 32 bit signed samples. More...

#include <ModemBase.h>

Public Member Functions
bool	begin (int bits_per_sample, int channels, int channel)
	Defines the format: returns false (and logs the reason) if not supported.
void	reset ()
	Drops an incomplete frame.
template<class F>
void	write (const uint8_t *data, size_t len, F on_sample)
	Calls on_sample(float) for each complete frame.

Static Public Attributes
static constexpr int	MAX_CHANNELS = 8

Protected Member Functions
float	sampleValue (const uint8_t *ptr)

Protected Attributes
uint8_t	partial [MAX_CHANNELS *4]
int	partial_len = 0
int	frame_bytes = 2
int	sample_offset = 0
int	bits = 16

Detailed Description

Assembles the PCM frames from the written bytes and provides the samples of the selected channel as float (-1.0 to 1.0). Supports 8, 16 and 32 bit signed samples.

Copyright

GPLv3

Member Function Documentation

begin()

bool tinymodem::PcmInput::begin ( int bits_per_sample, int channels, int channel )

inline

Defines the format: returns false (and logs the reason) if not supported.

reset()

void tinymodem::PcmInput::reset ( )

inline

Drops an incomplete frame.

sampleValue()

float tinymodem::PcmInput::sampleValue ( const uint8_t * ptr )

inlineprotected

write()

template<class F>

void tinymodem::PcmInput::write ( const uint8_t * data, size_t len, F on_sample )

inline

Calls on_sample(float) for each complete frame.

Member Data Documentation

bits

int tinymodem::PcmInput::bits = 16

protected

frame_bytes

int tinymodem::PcmInput::frame_bytes = 2

protected

MAX_CHANNELS

int tinymodem::PcmInput::MAX_CHANNELS = 8

staticconstexpr

partial

uint8_t tinymodem::PcmInput::partial[MAX_CHANNELS *4]

protected

partial_len

int tinymodem::PcmInput::partial_len = 0

protected

sample_offset

int tinymodem::PcmInput::sample_offset = 0

protected

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The documentation for this class was generated from the following file:

• src/modem/ModemBase.h