#include "libavutil/avstring.h"
#include "libavutil/avassert.h"
#include "libavutil/libm.h"
#include "libavutil/samplefmt.h"
#include "audioconvert.h"

Macros
#define	CONV_FUNC_NAME(dst_fmt, src_fmt) conv_ ## src_fmt ## _to_ ## dst_fmt

#define	CONV_FUNC(ofmt, otype, ifmt, expr)

#define	FMT_PAIR_FUNC(out, in) [(out) + AV_SAMPLE_FMT_NB*(in)] = CONV_FUNC_NAME(out, in)

Functions
	CONV_FUNC (AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_U8,((const uint8_t ) pi - 0x80U)<< 8) CONV_FUNC(AV_SAMPLE_FMT_S32

	if (off==len)

Variables
	int32_t

	AV_SAMPLE_FMT_U8

uint8_t pi<< 24) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_U8,(uint64_t)(((const uint8_t ) pi - 0x80U))<< 56) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8,((const uint8_t ) pi - 0x80) (1.0f/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8,((const uint8_t ) pi - 0x80) (1.0/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16,((const int16_t ) pi >>8)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S16,(uint64_t)((const int16_t ) pi)<< 48) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, (const int16_t ) pi (1.0f/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, (const int16_t ) pi (1.0/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32,((const int32_t ) pi >>24)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S32,(uint64_t)((const int32_t ) pi)<< 32) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, (const int32_t ) pi (1.0f/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, (const int32_t ) pi (1.0/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S64,((const int64_t ) pi >>56)+0x80) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S64, (const int64_t ) pi (1.0f/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S64, (const int64_t ) pi (1.0/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, av_clip_uint8(lrintf((const float ) pi (1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, av_clip_int16(lrintf((const float ) pi (1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, av_clipl_int32(llrintf((const float ) pi (1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_FLT, llrintf((const float ) pi (INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, av_clip_uint8(lrint((const double ) pi (1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, av_clip_int16(lrint((const double ) pi (1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, av_clipl_int32(llrint((const double ) pi (1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_DBL, llrint((const double ) pi (INT64_C(1)<< 63))) #define FMT_PAIR_FUNC(out, in) static conv_func_type const fmt_pair_to_conv_functions[AV_SAMPLE_FMT_NB AV_SAMPLE_FMT_NB]={ FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S64), };static void cpy1(uint8_t dst, const uint8_t src, int len){ memcpy(dst, src, len);} static void cpy2(uint8_t dst, const uint8_t src, int len){ memcpy(dst, src, 2 len);} static void cpy4(uint8_t dst, const uint8_t src, int len){ memcpy(dst, src, 4 len);} static void cpy8(uint8_t dst, const uint8_t src, int len){ memcpy(dst, src, 8 len);} AudioConvert swri_audio_convert_alloc(enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, const int ch_map, int flags) { AudioConvert ctx;conv_func_type f=fmt_pair_to_conv_functions[av_get_packed_sample_fmt(out_fmt)+AV_SAMPLE_FMT_NB av_get_packed_sample_fmt(in_fmt)];if(!f) return NULL;ctx=av_mallocz(sizeof(ctx));if(!ctx) return NULL;if(channels==1){ in_fmt=av_get_planar_sample_fmt(in_fmt);out_fmt=av_get_planar_sample_fmt(out_fmt);} ctx->channels=channels;ctx->conv_f=f;ctx->ch_map=ch_map;if(in_fmt==AV_SAMPLE_FMT_U8\|\|in_fmt==AV_SAMPLE_FMT_U8P) memset(ctx->silence, 0x80, sizeof(ctx->silence));if(out_fmt==in_fmt &&!ch_map) { switch(av_get_bytes_per_sample(in_fmt)){ case 1:ctx->simd_f=cpy1;break;case 2:ctx->simd_f=cpy2;break;case 4:ctx->simd_f=cpy4;break;case 8:ctx->simd_f=cpy8;break;} } if(HAVE_X86ASM &&1) swri_audio_convert_init_x86(ctx, out_fmt, in_fmt, channels);if(ARCH_ARM) swri_audio_convert_init_arm(ctx, out_fmt, in_fmt, channels);if(ARCH_AARCH64) swri_audio_convert_init_aarch64(ctx, out_fmt, in_fmt, channels);return ctx;} void swri_audio_convert_free(AudioConvert ctx) { av_freep(ctx);} int swri_audio_convert(AudioConvert ctx, AudioData out, AudioData in, int len) { int ch;int off=0;const int os=(out->planar ? 1 :out->ch_count) *out->bps;unsigned misaligned=0;av_assert0(ctx->channels==out->ch_count);if(ctx->in_simd_align_mask) { int planes=in->planar ? in->ch_count :1;unsigned m=0;for(ch=0;ch< planes;ch++) m\|=(intptr_t) in->ch[ch];misaligned\|=m &ctx->in_simd_align_mask;} if(ctx->out_simd_align_mask) { int planes=out->planar ? out->ch_count :1;unsigned m=0;for(ch=0;ch< planes;ch++) m\|=(intptr_t) out->ch[ch];misaligned\|=m &ctx->out_simd_align_mask;} if(ctx->simd_f &&!ctx->ch_map &&!misaligned){ off=len &~15;av_assert1(off >=0);av_assert1(off<=len);av_assert2(ctx->channels==SWR_CH_MAX\|\|!in->ch[ctx->channels]);if(off >0){ if(out->planar==in->planar){ int planes=out->planar ? out->ch_count :1;for(ch=0;ch< planes;ch++){ ctx->simd_f(out-> ch	ch

uint8_t pi<< 24) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_U8,(uint64_t)(((const uint8_t ) pi - 0x80U))<< 56) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8,((const uint8_t ) pi - 0x80) (1.0f/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8,((const uint8_t ) pi - 0x80) (1.0/(1<< 7))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16,((const int16_t ) pi >>8)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S16,(uint64_t)((const int16_t ) pi)<< 48) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, (const int16_t ) pi (1.0f/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, (const int16_t ) pi (1.0/(1<< 15))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32,((const int32_t ) pi >>24)+0x80) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_S32,(uint64_t)((const int32_t ) pi)<< 32) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, (const int32_t ) pi (1.0f/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, (const int32_t ) pi (1.0/(1U<< 31))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S64,((const int64_t ) pi >>56)+0x80) CONV_FUNC(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S64, (const int64_t ) pi (1.0f/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S64, (const int64_t ) pi (1.0/(INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, av_clip_uint8(lrintf((const float ) pi (1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, av_clip_int16(lrintf((const float ) pi (1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, av_clipl_int32(llrintf((const float ) pi (1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_FLT, llrintf((const float ) pi (INT64_C(1)<< 63))) CONV_FUNC(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, av_clip_uint8(lrint((const double ) pi (1<< 7))+0x80)) CONV_FUNC(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, av_clip_int16(lrint((const double ) pi (1<< 15)))) CONV_FUNC(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, av_clipl_int32(llrint((const double ) pi (1U<< 31)))) CONV_FUNC(AV_SAMPLE_FMT_S64, int64_t, AV_SAMPLE_FMT_DBL, llrint((const double ) pi (INT64_C(1)<< 63))) #define FMT_PAIR_FUNC(out, in) static conv_func_type const fmt_pair_to_conv_functions[AV_SAMPLE_FMT_NB AV_SAMPLE_FMT_NB]={ FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_U8), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S16), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S32), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_FLT), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_DBL), FMT_PAIR_FUNC(AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_S64), FMT_PAIR_FUNC(AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S64), };static void cpy1(uint8_t dst, const uint8_t src, int len){ memcpy(dst, src, len);} static void cpy2(uint8_t dst, const uint8_t src, int len){ memcpy(dst, src, 2 len);} static void cpy4(uint8_t dst, const uint8_t src, int len){ memcpy(dst, src, 4 len);} static void cpy8(uint8_t dst, const uint8_t src, int len){ memcpy(dst, src, 8 len);} AudioConvert swri_audio_convert_alloc(enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, const int ch_map, int flags) { AudioConvert ctx;conv_func_type f=fmt_pair_to_conv_functions[av_get_packed_sample_fmt(out_fmt)+AV_SAMPLE_FMT_NB av_get_packed_sample_fmt(in_fmt)];if(!f) return NULL;ctx=av_mallocz(sizeof(ctx));if(!ctx) return NULL;if(channels==1){ in_fmt=av_get_planar_sample_fmt(in_fmt);out_fmt=av_get_planar_sample_fmt(out_fmt);} ctx->channels=channels;ctx->conv_f=f;ctx->ch_map=ch_map;if(in_fmt==AV_SAMPLE_FMT_U8\|\|in_fmt==AV_SAMPLE_FMT_U8P) memset(ctx->silence, 0x80, sizeof(ctx->silence));if(out_fmt==in_fmt &&!ch_map) { switch(av_get_bytes_per_sample(in_fmt)){ case 1:ctx->simd_f=cpy1;break;case 2:ctx->simd_f=cpy2;break;case 4:ctx->simd_f=cpy4;break;case 8:ctx->simd_f=cpy8;break;} } if(HAVE_X86ASM &&1) swri_audio_convert_init_x86(ctx, out_fmt, in_fmt, channels);if(ARCH_ARM) swri_audio_convert_init_arm(ctx, out_fmt, in_fmt, channels);if(ARCH_AARCH64) swri_audio_convert_init_aarch64(ctx, out_fmt, in_fmt, channels);return ctx;} void swri_audio_convert_free(AudioConvert ctx) { av_freep(ctx);} int swri_audio_convert(AudioConvert ctx, AudioData out, AudioData in, int len) { int ch;int off=0;const int os=(out->planar ? 1 :out->ch_count) out->bps;unsigned misaligned=0;av_assert0(ctx->channels==out->ch_count);if(ctx->in_simd_align_mask) { int planes=in->planar ? in->ch_count :1;unsigned m=0;for(ch=0;ch< planes;ch++) m\|=(intptr_t) in->ch[ch];misaligned\|=m &ctx->in_simd_align_mask;} if(ctx->out_simd_align_mask) { int planes=out->planar ? out->ch_count :1;unsigned m=0;for(ch=0;ch< planes;ch++) m\|=(intptr_t) out->ch[ch];misaligned\|=m &ctx->out_simd_align_mask;} if(ctx->simd_f &&!ctx->ch_map &&!misaligned){ off=len &~15;av_assert1(off >=0);av_assert1(off<=len);av_assert2(ctx->channels==SWR_CH_MAX\|\|!in->ch[ctx->channels]);if(off >0){ if(out->planar==in->planar){ int planes=out->planar ? out->ch_count :1;for(ch=0;ch< planes;ch++){ ctx->simd_f(out-> ch const uint8_t in ch off out	planar

	else

	return

Detailed Description

audio conversion

Author: Michael Niedermayer micha.nosp@m.elni.nosp@m.@gmx..nosp@m.at

Definition in file audioconvert.c.

Macro Definition Documentation

◆ CONV_FUNC_NAME

#define CONV_FUNC_NAME	(	dst_fmt,
		src_fmt
	)	conv_ ## src_fmt ## _to_ ## dst_fmt

Definition at line 35 of file audioconvert.c.

◆ CONV_FUNC

#define CONV_FUNC	(	ofmt,
		otype,
		ifmt,
		expr
	)

Value:

static void CONV_FUNC_NAME(ofmt, ifmt)(uint8_t *po, const uint8_t *pi, int is, int os, uint8_t *end)\
{\
    uint8_t *end2 = end - 3*os;\
    while(po < end2){\
        *(otype*)po = expr; pi += is; po += os;\
        *(otype*)po = expr; pi += is; po += os;\
        *(otype*)po = expr; pi += is; po += os;\
        *(otype*)po = expr; pi += is; po += os;\
    }\
    while(po < end){\
        *(otype*)po = expr; pi += is; po += os;\
    }\
}

Definition at line 38 of file audioconvert.c.

◆ FMT_PAIR_FUNC

#define FMT_PAIR_FUNC	(	out,
		in
	)	[(out) + AV_SAMPLE_FMT_NB*(in)] = CONV_FUNC_NAME(out, in)

Function Documentation

◆ CONV_FUNC()

CONV_FUNC	(	AV_SAMPLE_FMT_S16	,
		int16_t	,
		AV_SAMPLE_FMT_U8	,
		((const uint8_t ) pi - 0x80U)<<	8
	)

◆ if()

if ( off = = len )

Definition at line 232 of file audioconvert.c.

Variable Documentation

◆ int32_t

int32_t

Definition at line 56 of file audioconvert.c.

◆ AV_SAMPLE_FMT_U8

AV_SAMPLE_FMT_U8

Definition at line 56 of file audioconvert.c.

◆ ch

Examples: decode_audio.c.

Definition at line 56 of file audioconvert.c.

Referenced by aa_read_seek(), aac_encode_frame(), ac3_decode_frame(), acalc_magnitudes(), add_noise(), adjust_frame_information(), adpcm_analysis(), adpcm_decode_frame(), adx_decode(), adx_decode_frame(), adx_encode_frame(), aea_read_probe(), alac_decode_close(), alac_decode_frame(), alac_entropy_coder(), alac_linear_predictor(), alloc_buffers(), alloc_sample_buffer(), alloc_x96_sample_buffer(), allocate_buffers(), allocate_sample_buffers(), ape_decode_frame(), append_extra_bits(), apply_band_extension(), apply_channel_coupling(), apply_lpc(), apply_mdct(), apply_window_and_mdct(), asf_read_content_desc(), asf_read_metadata(), atrac1_decode_frame(), atrac3p_decode_init(), audiogen(), av_bprint_channel_layout(), av_dump_format(), av_frame_ref(), av_samples_fill_arrays(), avcodec_fill_audio_frame(), average_quantized_coeffs(), avresample_open(), avresample_set_channel_mapping(), base_func_synth(), bit_alloc(), bit_alloc_init(), bit_alloc_masking(), buf_set(), build_sb_samples_from_noise(), calc_channel_magnitudes(), calc_channel_phases(), calc_masking(), calc_predictor_params(), calc_transform_coeffs_cpl(), calculate_sign_huff(), cbr_bit_allocation(), celt_apply_preemph_filter(), celt_encode_frame(), celt_frame_mdct(), celt_frame_setup_input(), celt_gauge_psy_weight(), celt_quant_final(), celt_quant_fine(), channelmap_filter_frame(), check_append_extra_bits(), chs_assemble_freq_bands(), chs_assemble_msbs_lsbs(), chs_get_lsb_width(), color_range(), combine_residual_frame(), compare_decoding_params(), compute_bit_allocation(), compute_chapters_end(), compute_exp_strategy(), config_input(), config_output(), convert_coeffs(), convert_pd2zp(), convert_pr2zp(), convert_samples(), convert_zp2tf(), convolve(), copy(), copy_input_samples(), copy_samples(), count_exponent_bits(), count_frame_bits(), count_mantissa_bits(), count_mantissa_bits_update_ch(), coupling_coordinates(), coupling_strategy(), crossover(), dec_bark_env(), decode(), decode_audio_block(), decode_audio_s16(), decode_block(), decode_channel(), decode_channel_residues(), decode_element(), decode_exp_lsp(), decode_exp_vlc(), decode_frame(), decode_grid(), decode_lpc(), decode_part_stereo(), decode_residual_spectrum(), decode_str(), decode_transform_coeffs(), decode_transform_coeffs_ch(), decompose_zp2biquads(), depth_to_space(), deshake_transform_c(), do_imdct(), dpcm_decode_frame(), draw_curves(), draw_legend(), draw_response(), dsf_read_packet(), dump_fir(), eightsvx_decode_frame(), encode_block(), encode_exp_vlc(), encode_exponents(), encode_frame(), encode_mb_internal(), encode_residual_ch(), erase_adpcm_history(), erase_x96_adpcm_history(), exp_quant_coarse(), extract_audio(), extract_exponents(), extract_line(), ff_aac_ltp_insert_new_frame(), ff_ac3_compute_coupling_strategy(), ff_ac3_encode_close(), ff_ac3_group_exponents(), ff_ac3_quantize_mantissas(), ff_adts_header_parse(), ff_audio_resample(), ff_boxblur_eval_filter_params(), ff_dca_core_filter_fixed(), ff_dca_lbr_flush(), ff_dca_lbr_parse(), ff_dither_alloc(), ff_dither_free(), ff_draw_pc_font(), ff_eac3_apply_spectral_extension(), ff_eac3_decode_transform_coeffs_aht_ch(), ff_eac3_get_frame_exp_strategy(), ff_eac3_output_frame_header(), ff_eac3_parse_header(), ff_eac3_set_cpl_states(), ff_flac_get_max_frame_size(), ff_mpc_dequantize_and_synth(), ff_opus_psy_init(), ff_psy_find_group(), ff_psy_preprocess(), ff_sbc_calculate_bits(), ff_sbr_apply(), fft_channel(), fill_coding_method_array(), fill_in_adpcm_bufer(), fill_tone_level_array(), filter(), filter_channel(), filter_frame(), filter_frame_fixed(), filter_frame_float(), filter_ts(), find_peaks(), fir_channel(), fir_channels(), fir_quantum(), fix_coding_method_array(), force_lossy_output(), frame_configure_elements(), fsb_read_packet(), ftp_get_line(), g723_1_decode_frame(), g723_1_decode_init(), generate_kernel(), genh_read_header(), genh_read_packet(), get(), get_asf_string(), get_audio_frame_duration(), get_channel(), get_channel_idx(), get_channel_weights(), get_max_frame_size(), get_nb_samples(), get_speaker_pos(), get_step_size(), get_value(), getimag(), getreal(), guess_map_any(), guess_map_matching(), http_get_line(), http_handshake(), idct_mb(), ifft_channel(), imagf(), imc_decode_block(), imdct_and_window(), init_exp(), init_frame(), init_quantization_noise(), init_sample_buffers(), init_segment(), init_tone_level_dequantization(), inverse_channel_transform(), invert_initial_buffer(), join_config_output(), libopus_decode_init(), main(), make_new_tree(), map_prm_ch_to_spkr(), mcompand_channel(), mkv_write_tags(), mov_read_chapters(), move_audio(), mp3lame_encode_frame(), mp3lame_encode_init(), mp_decode_frame(), mp_decode_layer1(), mp_decode_layer2(), mp_decode_layer3(), mpc7_decode_frame(), mpc8_decode_frame(), mpc_synth(), mxf_utf16len(), nut_write_header(), on2avc_read_channel_data(), on2avc_reconstruct_channel_ext(), optimize_colors(), opus_encode_init(), output_audio_block(), output_frame(), parse_audio(), parse_ch(), parse_channel(), parse_coding_header(), parse_frame_data(), parse_grid_1_chunk(), parse_grid_2(), parse_grid_3(), parse_high_res_grid(), parse_lpc(), parse_subframe_audio(), parse_subframe_header(), parse_tonal(), parse_x96_coding_header(), parse_x96_frame_data(), parse_x96_subframe_audio(), parse_x96_subframe_header(), parse_xbr_subframe(), plot_channel_lin(), plot_channel_log(), plot_freq(), plot_freqs(), print_stats(), process_subpacket_9(), psy_3gpp_analyze(), push_single_pic(), PUT_FUNC(), put_primary_audio_header(), put_str16(), put_subframe(), put_subframe_samples(), qdm2_decode(), qdm2_fft_tone_synthesizer(), qdm2_synthesis_filter(), quantize_adpcm(), quantize_adpcm_subband(), quantize_pcm(), random_ts(), read16_fft_bin(), read8_fft_bin(), read_block_data(), read_channel_params(), read_custom_noise(), read_decoding_params(), read_fft_data(), read_header(), read_key(), read_map(), read_matrix_params(), read_noise_data(), read_restart_header(), read_sbr_envelope(), read_sbr_noise(), realf(), reconstruct_frame(), remove_dithering(), remove_wasted_bits(), request_frame(), reset_block_bap(), revert_channel_correlation(), rsd_read_packet(), run_channel_fft(), sample_noise_block(), sbc_analyze_audio(), sbc_calc_scalefactors(), sbc_decode_init(), sbc_pack_frame(), sbc_synthesize_audio(), sbc_synthesize_eight(), sbc_synthesize_four(), sbc_unpack_frame(), sbr_dequant(), sbr_x_gen(), scale_coefficients(), scale_magnitudes(), seek_chapter(), set(), set_bandwidth(), set_parameters(), shift(), shift_history(), spawn_empty_frame(), spx_coordinates(), spx_strategy(), step_collect_psy_metrics(), store_icy(), subband_bufer_alloc(), subband_transform(), swr_convert_internal(), swri_noise_shaping_TMPL(), synth_lpc(), synth_tones(), synth_window(), synthfilt_build_sb_samples(), transform_channel(), try_push_frame(), uninit(), uninit_segment(), update_frame_pool(), update_volume(), val(), video_audio_display(), vorbis_decode_frame(), vorbis_parse_audio_packet(), vorbis_residue_decode(), vorbis_residue_decode_internal(), wma_decode_block(), wma_decode_frame(), write_block_data(), write_chapter(), write_char(), write_decoding_params(), write_frame(), write_restart_header(), write_subframes(), write_trailer(), and xwma_read_header().

◆ planar

◆ else

else

Initial value:

{

ctx->simd_f(out->ch, (const uint8_t **)in->ch, off)

Definition at line 228 of file audioconvert.c.

◆ return

return

Definition at line 246 of file audioconvert.c.

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ CONV_FUNC_NAME

◆ CONV_FUNC

◆ FMT_PAIR_FUNC

Function Documentation

◆ CONV_FUNC()

◆ if()

Variable Documentation

◆ int32_t

◆ AV_SAMPLE_FMT_U8

◆ ch

◆ planar

◆ else

◆ return