audio_convert_init.c File Reference

#include "libavutil/attributes.h"
#include "libavutil/x86/cpu.h"
#include "libswresample/swresample_internal.h"
#include "libswresample/audioconvert.h"

Go to the source code of this file.

Macros
#define	PROTO(pre, in, out, cap)   void ff ## pre ## in## _to_ ##out## _a_ ##cap(uint8_t **dst, const uint8_t **src, int len);
#define	PROTO2(pre, out, cap)   PROTO(pre, int16, out, cap) PROTO(pre, int32, out, cap) PROTO(pre, float, out, cap)
#define	PROTO3(pre, cap)   PROTO2(pre, int16, cap) PROTO2(pre, int32, cap) PROTO2(pre, float, cap)
#define	PROTO4(pre)   PROTO3(pre, sse) PROTO3(pre, sse2) PROTO3(pre, ssse3) PROTO3(pre, sse4) PROTO3(pre, avx) PROTO3(pre, avx2)
#define	MULTI_CAPS_FUNC(flag, cap)

Functions
av_cold void	swri_audio_convert_init_x86 (struct AudioConvert *ac, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels)

Macro Definition Documentation

PROTO

#define PROTO	(		pre,
			in,
			out,
			cap
	)		void ff ## pre ## in## _to_ ##out## _a_ ##cap(uint8_t **dst, const uint8_t **src, int len);

Definition at line 26 of file audio_convert_init.c.

PROTO2

#define PROTO2	(		pre,
			out,
			cap
	)		PROTO(pre, int16, out, cap) PROTO(pre, int32, out, cap) PROTO(pre, float, out, cap)

Definition at line 27 of file audio_convert_init.c.

PROTO3

#define PROTO3	(		pre,
			cap
	)		PROTO2(pre, int16, cap) PROTO2(pre, int32, cap) PROTO2(pre, float, cap)

Definition at line 28 of file audio_convert_init.c.

PROTO4

#define PROTO4

(

pre

)

PROTO3(pre, sse) PROTO3(pre, sse2) PROTO3(pre, ssse3) PROTO3(pre, sse4) PROTO3(pre, avx) PROTO3(pre, avx2)

Definition at line 29 of file audio_convert_init.c.

MULTI_CAPS_FUNC

#define MULTI_CAPS_FUNC	(		flag,
			cap
	)

Value:

    if (EXTERNAL_##flag(mm_flags)) {\
        if(   out_fmt == AV_SAMPLE_FMT_S32  && in_fmt == AV_SAMPLE_FMT_S16 || out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_S16P)\
            ac->simd_f =  ff_int16_to_int32_a_ ## cap;\
        if(   out_fmt == AV_SAMPLE_FMT_S16  && in_fmt == AV_SAMPLE_FMT_S32 || out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_S32P)\
            ac->simd_f =  ff_int32_to_int16_a_ ## cap;\
    }

Function Documentation

swri_audio_convert_init_x86()

av_cold void swri_audio_convert_init_x86	(	struct AudioConvert *	ac,
		enum AVSampleFormat	out_fmt,
		enum AVSampleFormat	in_fmt,
		int	channels
	)

Definition at line 37 of file audio_convert_init.c.