#include "pcm_buffer.h"
#include "config.h"
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
#include <samplerate.h>
Go to the source code of this file.
Data Structures | |
struct | pcm_resample_state |
This object is statically allocated (within another struct), and holds buffer allocations and the state for the resampler. More... | |
Functions | |
void | pcm_resample_init (struct pcm_resample_state *state) |
Initializes a pcm_resample_state object. | |
void | pcm_resample_deinit (struct pcm_resample_state *state) |
Deinitializes a pcm_resample_state object and frees allocated memory. | |
const int16_t * | pcm_resample_16 (struct pcm_resample_state *state, uint8_t channels, unsigned src_rate, const int16_t *src_buffer, size_t src_size, unsigned dest_rate, size_t *dest_size_r) |
Resamples 16 bit PCM data. | |
const int32_t * | pcm_resample_32 (struct pcm_resample_state *state, uint8_t channels, unsigned src_rate, const int32_t *src_buffer, size_t src_size, unsigned dest_rate, size_t *dest_size_r) |
Resamples 32 bit PCM data. | |
static const int32_t * | pcm_resample_24 (struct pcm_resample_state *state, uint8_t channels, unsigned src_rate, const int32_t *src_buffer, size_t src_size, unsigned dest_rate, size_t *dest_size_r) |
Resamples 24 bit PCM data. |
const int16_t* pcm_resample_16 | ( | struct pcm_resample_state * | state, | |
uint8_t | channels, | |||
unsigned | src_rate, | |||
const int16_t * | src_buffer, | |||
size_t | src_size, | |||
unsigned | dest_rate, | |||
size_t * | dest_size_r | |||
) |
Resamples 16 bit PCM data.
state | an initialized pcm_resample_state object | |
channels | the number of channels | |
src_rate | the source sample rate | |
src | the source PCM buffer | |
src_size | the size of src in bytes | |
dest_rate | the requested destination sample rate | |
dest_size_r | returns the number of bytes of the destination buffer |
static const int32_t* pcm_resample_24 | ( | struct pcm_resample_state * | state, | |
uint8_t | channels, | |||
unsigned | src_rate, | |||
const int32_t * | src_buffer, | |||
size_t | src_size, | |||
unsigned | dest_rate, | |||
size_t * | dest_size_r | |||
) | [inline, static] |
Resamples 24 bit PCM data.
state | an initialized pcm_resample_state object | |
channels | the number of channels | |
src_rate | the source sample rate | |
src | the source PCM buffer | |
src_size | the size of src in bytes | |
dest_rate | the requested destination sample rate | |
dest_size_r | returns the number of bytes of the destination buffer |
Definition at line 121 of file pcm_resample.h.
const int32_t* pcm_resample_32 | ( | struct pcm_resample_state * | state, | |
uint8_t | channels, | |||
unsigned | src_rate, | |||
const int32_t * | src_buffer, | |||
size_t | src_size, | |||
unsigned | dest_rate, | |||
size_t * | dest_size_r | |||
) |
Resamples 32 bit PCM data.
state | an initialized pcm_resample_state object | |
channels | the number of channels | |
src_rate | the source sample rate | |
src | the source PCM buffer | |
src_size | the size of src in bytes | |
dest_rate | the requested destination sample rate | |
dest_size_r | returns the number of bytes of the destination buffer |
void pcm_resample_deinit | ( | struct pcm_resample_state * | state | ) |
Deinitializes a pcm_resample_state object and frees allocated memory.
void pcm_resample_init | ( | struct pcm_resample_state * | state | ) |
Initializes a pcm_resample_state object.