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libavcodec API use example. More...

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

Include dependency graph for decoding_encoding.c:

Go to the source code of this file.

Macros
#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 int	decode_write_frame (const char outfilename, AVCodecContext avctx, AVFrame frame, int frame_count, AVPacket *pkt, int last)

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.

Macro Definition Documentation

#define AUDIO_INBUF_SIZE 20480

Definition at line 44 of file decoding_encoding.c.

Referenced by audio_decode_example().

#define AUDIO_REFILL_THRESH 4096

Definition at line 45 of file decoding_encoding.c.

Referenced by audio_decode_example().

#define INBUF_SIZE 4096

Definition at line 43 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 238 of file decoding_encoding.c.

Referenced by main().

static void audio_encode_example ( const char * filename )

static

Definition at line 103 of file decoding_encoding.c.

Referenced by main().

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

static

Definition at line 48 of file decoding_encoding.c.

Referenced by audio_encode_example().

static int decode_write_frame	(	const char *	outfilename,
		AVCodecContext *	avctx,
		AVFrame *	frame,
		int *	frame_count,
		AVPacket *	pkt,
		int	last
	)

static

Definition at line 491 of file decoding_encoding.c.

Referenced by video_decode_example().

int main	(	int	argc,
		char **	argv
	)

Definition at line 616 of file decoding_encoding.c.

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

static

Definition at line 478 of file decoding_encoding.c.

Referenced by decode_write_frame().

static int select_channel_layout ( AVCodec * codec )

static

Definition at line 78 of file decoding_encoding.c.

Referenced by audio_encode_example().

static int select_sample_rate ( AVCodec * codec )

static

Definition at line 61 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 519 of file decoding_encoding.c.

Referenced by main().

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

static

Definition at line 338 of file decoding_encoding.c.

Referenced by main().