src/pcm_format.h File Reference

#include <stdint.h>
#include <stddef.h>

Go to the source code of this file.

Functions
const int16_t *	pcm_convert_to_16 (struct pcm_buffer *buffer, struct pcm_dither *dither, uint8_t bits, const void *src, size_t src_size, size_t *dest_size_r)
	Converts PCM samples to 16 bit.
const int32_t *	pcm_convert_to_24 (struct pcm_buffer *buffer, uint8_t bits, const void *src, size_t src_size, size_t *dest_size_r)
	Converts PCM samples to 24 bit (32 bit alignment).
const int32_t *	pcm_convert_to_32 (struct pcm_buffer *buffer, uint8_t bits, const void *src, size_t src_size, size_t *dest_size_r)
	Converts PCM samples to 32 bit.

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Function Documentation

const int16_t* pcm_convert_to_16	(	struct pcm_buffer *	buffer,
		struct pcm_dither *	dither,
		uint8_t	bits,
		const void *	src,
		size_t	src_size,
		size_t *	dest_size_r
	)

Converts PCM samples to 16 bit.

If the source format is 24 bit, then dithering is applied.

Parameters:

	buffer	a pcm_buffer object
	dither	a pcm_dither object for 24-to-16 conversion
	bits	the number of in the source buffer
	src	the source PCM buffer
	src_size	the size of src in bytes
	dest_size_r	returns the number of bytes of the destination buffer

Returns:

the destination buffer

const int32_t* pcm_convert_to_24	(	struct pcm_buffer *	buffer,
		uint8_t	bits,
		const void *	src,
		size_t	src_size,
		size_t *	dest_size_r
	)

Converts PCM samples to 24 bit (32 bit alignment).

Parameters:

	buffer	a pcm_buffer object
	bits	the number of in the source buffer
	src	the source PCM buffer
	src_size	the size of src in bytes
	dest_size_r	returns the number of bytes of the destination buffer

Returns:

the destination buffer

const int32_t* pcm_convert_to_32	(	struct pcm_buffer *	buffer,
		uint8_t	bits,
		const void *	src,
		size_t	src_size,
		size_t *	dest_size_r
	)

Converts PCM samples to 32 bit.

Parameters:

	buffer	a pcm_buffer object
	bits	the number of in the source buffer
	src	the source PCM buffer
	src_size	the size of src in bytes
	dest_size_r	returns the number of bytes of the destination buffer

Returns:

the destination buffer