filter_audio.c File Reference

#include <inttypes.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <libavutil/channel_layout.h>
#include <libavutil/md5.h>
#include <libavutil/mem.h>
#include <libavutil/opt.h>
#include <libavutil/samplefmt.h>
#include <libavfilter/avfilter.h>
#include <libavfilter/buffersink.h>
#include <libavfilter/buffersrc.h>

Go to the source code of this file.

Macros
#define	INPUT_SAMPLERATE   48000
#define	INPUT_FORMAT   AV_SAMPLE_FMT_FLTP
#define	INPUT_CHANNEL_LAYOUT   (AVChannelLayout)AV_CHANNEL_LAYOUT_5POINT0
#define	VOLUME_VAL   0.90
#define	FRAME_SIZE   1024

Functions
static int	init_filter_graph (AVFilterGraph **graph, AVFilterContext **src, AVFilterContext **sink)
static int	process_output (struct AVMD5 *md5, AVFrame *frame)
static int	get_input (AVFrame *frame, int frame_num)
int	main (int argc, char *argv[])

Macro Definition Documentation

INPUT_SAMPLERATE

#define INPUT_SAMPLERATE   48000

Examples

filter_audio.c.

Definition at line 54 of file filter_audio.c.

Referenced by get_input(), init_filter_graph(), and main().

INPUT_FORMAT

#define INPUT_FORMAT   AV_SAMPLE_FMT_FLTP

Examples

filter_audio.c.

Definition at line 55 of file filter_audio.c.

Referenced by get_input(), and init_filter_graph().

INPUT_CHANNEL_LAYOUT

#define INPUT_CHANNEL_LAYOUT   (AVChannelLayout)AV_CHANNEL_LAYOUT_5POINT0

Examples

filter_audio.c.

Definition at line 56 of file filter_audio.c.

Referenced by get_input(), and init_filter_graph().

VOLUME_VAL

#define VOLUME_VAL   0.90

Examples

filter_audio.c.

Definition at line 58 of file filter_audio.c.

Referenced by init_filter_graph().

FRAME_SIZE

#define FRAME_SIZE   1024

Examples

filter_audio.c.

Referenced by get_input(), and main().

Function Documentation

init_filter_graph()

int init_filter_graph ( AVFilterGraph ** graph, AVFilterContext ** src, AVFilterContext ** sink )

static

Examples

filter_audio.c.

Definition at line 60 of file filter_audio.c.

Referenced by main().

process_output()

int process_output ( struct AVMD5 * md5, AVFrame * frame )

static

Examples

filter_audio.c.

Definition at line 212 of file filter_audio.c.

Referenced by main().

get_input()

int get_input ( AVFrame * frame, int frame_num )

static

Examples

filter_audio.c.

Definition at line 239 of file filter_audio.c.

Referenced by main().

main()

int main	(	int	argc,
		char *	argv[] )

Definition at line 267 of file filter_audio.c.