doc/examples/decoding_encoding.c File Reference

libavcodec API use example. More...

#include <math.h>
#include <libavutil/opt.h>
#include <libavcodec/avcodec.h>
#include <libavutil/audioconvert.h>
#include <libavutil/common.h>
#include <libavutil/imgutils.h>
#include <libavutil/mathematics.h>
#include <libavutil/samplefmt.h>

Go to the source code of this file.

Defines
#define	INBUF_SIZE   4096
#define	AUDIO_INBUF_SIZE   20480
#define	AUDIO_REFILL_THRESH   4096
Functions
static int	check_sample_fmt (AVCodec *codec, enum AVSampleFormat sample_fmt)
static int	select_sample_rate (AVCodec *codec)
static int	select_channel_layout (AVCodec *codec)
static void	audio_encode_example (const char *filename)
static void	audio_decode_example (const char *outfilename, const char *filename)
static void	video_encode_example (const char *filename, int codec_id)
static void	pgm_save (unsigned char *buf, int wrap, int xsize, int ysize, char *filename)
static void	video_decode_example (const char *outfilename, const char *filename)
int	main (int argc, char **argv)

---

Detailed Description

libavcodec API use example.

Note that libavcodec only handles codecs (mpeg, mpeg4, etc...), not file formats (avi, vob, mp4, mov, mkv, mxf, flv, mpegts, mpegps, etc...). See library 'libavformat' for the format handling

Definition in file decoding_encoding.c.

---

Define Documentation

#define AUDIO_INBUF_SIZE   20480

Definition at line 43 of file decoding_encoding.c.

Referenced by audio_decode_example().

#define AUDIO_REFILL_THRESH   4096

Definition at line 44 of file decoding_encoding.c.

Referenced by audio_decode_example().

#define INBUF_SIZE   4096

Definition at line 42 of file decoding_encoding.c.

Referenced by video_decode_example().

---

Function Documentation

static void audio_decode_example	(	const char *	outfilename,
		const char *	filename
	)			[static]

Definition at line 233 of file decoding_encoding.c.

Referenced by main().

static void audio_encode_example

(

const char *

filename

)

[static]

Definition at line 102 of file decoding_encoding.c.

Referenced by main().

static int check_sample_fmt	(	AVCodec *	codec,
		enum AVSampleFormat	sample_fmt
	)			[static]

Definition at line 47 of file decoding_encoding.c.

Referenced by audio_encode_example().

int main	(	int	argc,
		char **	argv
	)

Definition at line 601 of file decoding_encoding.c.

static void pgm_save	(	unsigned char *	buf,
		int	wrap,
		int	xsize,
		int	ysize,
		char *	filename
	)			[static]

Definition at line 465 of file decoding_encoding.c.

Referenced by video_decode_example().

static int select_channel_layout

(

AVCodec *

codec

)

[static]

Definition at line 77 of file decoding_encoding.c.

Referenced by audio_encode_example().

static int select_sample_rate

(

AVCodec *

codec

)

[static]

Definition at line 60 of file decoding_encoding.c.

Referenced by audio_encode_example().

static void video_decode_example	(	const char *	outfilename,
		const char *	filename
	)			[static]

Definition at line 478 of file decoding_encoding.c.

Referenced by main().

static void video_encode_example	(	const char *	filename,
		int	codec_id
	)			[static]

Definition at line 329 of file decoding_encoding.c.

Referenced by main().