avresample.c File Reference

#include <stdint.h>
#include <stdio.h>
#include "libavutil/avstring.h"
#include "libavutil/common.h"
#include "libavutil/lfg.h"
#include "libavutil/libm.h"
#include "libavutil/log.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/samplefmt.h"
#include "libavresample/avresample.h"

Go to the source code of this file.

Macros
#define	PUT_FUNC(name, fmt, type, expr)
#define	PUT_SAMPLE   put_sample(data, sample_fmt, channels, k, ch, v);

Functions
static double	dbl_rand (AVLFG *lfg)
	PUT_FUNC (u8, AV_SAMPLE_FMT_U8, uint8_t, av_clip_uint8(lrint(v_dbl *(1<< 7))+128))
static void	audiogen (AVLFG *rnd, void **data, enum AVSampleFormat sample_fmt, int channels, int sample_rate, int nb_samples)
int	main (int argc, char **argv)

Variables
static enum AVSampleFormat	formats []
static const int	rates []
static const uint64_t	layouts []

Macro Definition Documentation

PUT_FUNC

#define PUT_FUNC	(		name,
			fmt,
			type,
			expr
	)

Value:

static void put_sample_ ## name(void **data, enum AVSampleFormat sample_fmt,\
                                int channels, int sample, int ch,           \
                                double v_dbl)                               \
{                                                                           \
    type v = expr;                                                          \
    type **out = (type **)data;                                             \
    if (av_sample_fmt_is_planar(sample_fmt))                                \
        out[ch][sample] = v;                                                \
    else                                                                    \
        out[0][sample * channels + ch] = v;                                 \
}

Definition at line 41 of file avresample.c.

PUT_SAMPLE

#define PUT_SAMPLE   put_sample(data, sample_fmt, channels, k, ch, v);

Function Documentation

dbl_rand()

static double dbl_rand ( AVLFG *  lfg )

static

Definition at line 36 of file avresample.c.

Referenced by audiogen().

PUT_FUNC()

PUT_FUNC	(	u8	,
		AV_SAMPLE_FMT_U8	,
		uint8_t	,
		av_clip_uint8(lrint(v_dbl *(1<< 7))+128)
	)

Definition at line 54 of file avresample.c.

audiogen()

static void audiogen ( AVLFG *  rnd, void **  data, enum AVSampleFormat  sample_fmt, int  channels, int  sample_rate, int  nb_samples  )

static

Definition at line 82 of file avresample.c.

Referenced by main().

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 189 of file avresample.c.

Variable Documentation

formats

enum AVSampleFormat formats[]

static

Initial value:

= {
    AV_SAMPLE_FMT_S16,
    AV_SAMPLE_FMT_FLTP,
    AV_SAMPLE_FMT_S16P,
    AV_SAMPLE_FMT_FLT,
    AV_SAMPLE_FMT_S32P,
    AV_SAMPLE_FMT_S32,
    AV_SAMPLE_FMT_U8P,
    AV_SAMPLE_FMT_U8,
    AV_SAMPLE_FMT_DBLP,
    AV_SAMPLE_FMT_DBL,
}

Definition at line 163 of file avresample.c.

rates

const int rates[]

static

Initial value:

= {
    48000,
    44100,
    16000
}

Definition at line 176 of file avresample.c.

Referenced by get_wb_bitrate_mode(), main(), query_formats(), and test_av_parse_video_rate().

layouts

const uint64_t layouts[]

static

Initial value:

= {
    AV_CH_LAYOUT_STEREO,
    AV_CH_LAYOUT_MONO,
    AV_CH_LAYOUT_5POINT1,
    AV_CH_LAYOUT_7POINT1,
}

Definition at line 182 of file avresample.c.

Referenced by main().