muxing.c File Reference

libavformat API example. More...

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <libavutil/mathematics.h>
#include <libavformat/avformat.h>
#include <libswscale/swscale.h>

Include dependency graph for muxing.c:

Go to the source code of this file.

Macros
#define	STREAM_DURATION   200.0
#define	STREAM_FRAME_RATE   25 /* 25 images/s */
#define	STREAM_NB_FRAMES   ((int)(STREAM_DURATION * STREAM_FRAME_RATE))
#define	STREAM_PIX_FMT   AV_PIX_FMT_YUV420P /* default pix_fmt */

Functions
static AVStream *	add_stream (AVFormatContext *oc, AVCodec **codec, enum AVCodecID codec_id)
static void	open_audio (AVFormatContext *oc, AVCodec *codec, AVStream *st)
static void	get_audio_frame (int16_t *samples, int frame_size, int nb_channels)
static void	write_audio_frame (AVFormatContext *oc, AVStream *st)
static void	close_audio (AVFormatContext *oc, AVStream *st)
static void	open_video (AVFormatContext *oc, AVCodec *codec, AVStream *st)
static void	fill_yuv_image (AVPicture *pict, int frame_index, int width, int height)
static void	write_video_frame (AVFormatContext *oc, AVStream *st)
static void	close_video (AVFormatContext *oc, AVStream *st)
int	main (int argc, char **argv)

Variables
static int	sws_flags = SWS_BICUBIC
static float	t
static float	tincr
static float	tincr2
static int16_t *	samples
static int	audio_input_frame_size
static AVFrame *	frame
static AVPicture	src_picture
static AVPicture	dst_picture
static int	frame_count

Detailed Description

libavformat API example.

Output a media file in any supported libavformat format. The default codecs are used.

Definition in file muxing.c.

Macro Definition Documentation

#define STREAM_DURATION   200.0

Definition at line 42 of file muxing.c.

Referenced by main().

#define STREAM_FRAME_RATE   25 /* 25 images/s */

Definition at line 43 of file muxing.c.

Referenced by add_stream().

#define STREAM_NB_FRAMES   ((int)(STREAM_DURATION * STREAM_FRAME_RATE))

Definition at line 44 of file muxing.c.

Referenced by write_video_frame().

#define STREAM_PIX_FMT   AV_PIX_FMT_YUV420P /* default pix_fmt */

Definition at line 45 of file muxing.c.

Referenced by add_stream().

Function Documentation

static AVStream* add_stream ( AVFormatContext *  oc, AVCodec **  codec, enum AVCodecID  codec_id  )

static

Definition at line 57 of file muxing.c.

Referenced by main().

static void close_audio ( AVFormatContext *  oc, AVStream *  st  )

static

Definition at line 222 of file muxing.c.

Referenced by main().

static void close_video ( AVFormatContext *  oc, AVStream *  st  )

static

Definition at line 373 of file muxing.c.

Referenced by main().

static void fill_yuv_image ( AVPicture *  pict, int  frame_index, int  width, int  height  )

static

Definition at line 279 of file muxing.c.

Referenced by write_video_frame().

static void get_audio_frame ( int16_t *  samples, int  frame_size, int  nb_channels  )

static

Definition at line 168 of file muxing.c.

Referenced by write_audio_frame().

int main	(	int	argc,
		char **	argv
	)

Definition at line 384 of file muxing.c.

static void open_audio ( AVFormatContext *  oc, AVCodec *  codec, AVStream *  st  )

static

Definition at line 133 of file muxing.c.

Referenced by main().

static void open_video ( AVFormatContext *  oc, AVCodec *  codec, AVStream *  st  )

static

Definition at line 236 of file muxing.c.

Referenced by main().

static void write_audio_frame ( AVFormatContext *  oc, AVStream *  st  )

static

Definition at line 183 of file muxing.c.

Referenced by main().

static void write_video_frame ( AVFormatContext *  oc, AVStream *  st  )

static

Definition at line 300 of file muxing.c.

Referenced by main().

Variable Documentation

static int audio_input_frame_size

static

Definition at line 54 of file muxing.c.

Referenced by add_stream(), open_audio(), and write_audio_frame().

AVPicture dst_picture

static

Definition at line 233 of file muxing.c.

Referenced by open_video().

AVFrame* frame

static

Definition at line 232 of file muxing.c.

Referenced by write_audio_frame().

int frame_count

static

Definition at line 234 of file muxing.c.

Referenced by main(), rl2_read_header(), video_decode_example(), write_video_frame(), and yop_read_seek().

static int16_t * samples

static

Definition at line 53 of file muxing.c.

Referenced by add_stream(), close_audio(), get_audio_frame(), open_audio(), and write_audio_frame().

AVPicture src_picture

static

Definition at line 233 of file muxing.c.

int sws_flags = SWS_BICUBIC

static

Definition at line 47 of file muxing.c.

Referenced by write_video_frame().

float t

static

Definition at line 52 of file muxing.c.

Referenced by add_stream(), get_audio_frame(), and open_audio().

static float tincr

static

Definition at line 52 of file muxing.c.

Referenced by add_stream(), audio_encode_example(), fill_samples(), get_audio_frame(), and open_audio().

static float tincr2

static

Definition at line 52 of file muxing.c.

Referenced by add_stream(), get_audio_frame(), and open_audio().