FmtConvertContext Struct Reference

#include <fmtconvert.h>

Data Fields
void(*	int32_to_float_fmul_scalar )(float *dst, const int *src, float mul, int len)
	Convert an array of int32_t to float and multiply by a float value.
void(*	float_to_int16 )(int16_t *dst, const float *src, long len)
	Convert an array of float to an array of int16_t.
void(*	float_to_int16_interleave )(int16_t *dst, const float **src, long len, int channels)
	Convert multiple arrays of float to an interleaved array of int16_t.
void(*	float_interleave )(float *dst, const float **src, unsigned int len, int channels)
	Convert multiple arrays of float to an array of interleaved float.

Detailed Description

Definition at line 28 of file fmtconvert.h.

Field Documentation

void(* FmtConvertContext::int32_to_float_fmul_scalar)(float *dst, const int *src, float mul, int len)

Convert an array of int32_t to float and multiply by a float value.

Parameters

dst	destination array of float. constraints: 16-byte aligned
src	source array of int32_t. constraints: 16-byte aligned
len	number of elements to convert. constraints: multiple of 8

Definition at line 38 of file fmtconvert.h.

Referenced by dca_subsubframe(), decode_audio_block(), ff_fmt_convert_init(), ff_fmt_convert_init_altivec(), ff_fmt_convert_init_arm(), ff_fmt_convert_init_mips(), and ff_fmt_convert_init_x86().

void(* FmtConvertContext::float_to_int16)(int16_t *dst, const float *src, long len)

Convert an array of float to an array of int16_t.

Convert floats from in the range [-32768.0,32767.0] to ints without rescaling

Parameters

dst	destination array of int16_t. constraints: 16-byte aligned
src	source array of float. constraints: 16-byte aligned
len	number of elements to convert. constraints: multiple of 8

Definition at line 53 of file fmtconvert.h.

Referenced by ff_fmt_convert_init(), ff_fmt_convert_init_altivec(), ff_fmt_convert_init_arm(), ff_fmt_convert_init_mips(), and ff_fmt_convert_init_x86().

void(* FmtConvertContext::float_to_int16_interleave)(int16_t *dst, const float **src, long len, int channels)

Convert multiple arrays of float to an interleaved array of int16_t.

Convert floats from in the range [-32768.0,32767.0] to ints without rescaling

Parameters

dst	destination array of interleaved int16_t. constraints: 16-byte aligned
src	source array of float arrays, one for each channel. constraints: 16-byte aligned
len	number of elements to convert. constraints: multiple of 8
channels	number of channels

Definition at line 69 of file fmtconvert.h.

Referenced by ff_fmt_convert_init(), ff_fmt_convert_init_altivec(), ff_fmt_convert_init_arm(), ff_fmt_convert_init_mips(), and ff_fmt_convert_init_x86().

void(* FmtConvertContext::float_interleave)(float *dst, const float **src, unsigned int len, int channels)

Convert multiple arrays of float to an array of interleaved float.

Parameters

dst	destination array of interleaved float. constraints: 16-byte aligned
src	source array of float arrays, one for each channel. constraints: 16-byte aligned
len	number of elements to convert. constraints: multiple of 8
channels	number of channels

Definition at line 83 of file fmtconvert.h.

Referenced by ff_fmt_convert_init(), and ff_fmt_convert_init_x86().

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

• libavcodec/fmtconvert.h