#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <libavutil/avassert.h>
#include <libavutil/channel_layout.h>
#include <libavutil/opt.h>
#include <libavutil/mathematics.h>
#include <libavutil/timestamp.h>
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libswscale/swscale.h>
#include <libswresample/swresample.h>

Data Structures
struct	OutputStream

Macros
#define	STREAM_DURATION 10.0

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

#define	STREAM_PIX_FMT AV_PIX_FMT_YUV420P /* default pix_fmt */

#define	SCALE_FLAGS SWS_BICUBIC

Functions
static void	log_packet (const AVFormatContext fmt_ctx, const AVPacket pkt)

static int	write_frame (AVFormatContext fmt_ctx, AVCodecContext c, AVStream st, AVFrame frame, AVPacket *pkt)

static void	add_stream (OutputStream ost, AVFormatContext oc, const AVCodec **codec, enum AVCodecID codec_id)

static AVFrame *	alloc_audio_frame (enum AVSampleFormat sample_fmt, const AVChannelLayout *channel_layout, int sample_rate, int nb_samples)

static void	open_audio (AVFormatContext oc, const AVCodec codec, OutputStream ost, AVDictionary opt_arg)

static AVFrame *	get_audio_frame (OutputStream *ost)

static int	write_audio_frame (AVFormatContext oc, OutputStream ost)

static AVFrame *	alloc_frame (enum AVPixelFormat pix_fmt, int width, int height)

static void	open_video (AVFormatContext oc, const AVCodec codec, OutputStream ost, AVDictionary opt_arg)

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

static AVFrame *	get_video_frame (OutputStream *ost)

static int	write_video_frame (AVFormatContext oc, OutputStream ost)

static void	close_stream (AVFormatContext oc, OutputStream ost)

int	main (int argc, char **argv)

Macro Definition Documentation

◆ STREAM_DURATION

#define STREAM_DURATION 10.0

Examples: mux.c.

Definition at line 46 of file mux.c.

◆ STREAM_FRAME_RATE

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

Examples: mux.c.

Definition at line 47 of file mux.c.

◆ STREAM_PIX_FMT

#define STREAM_PIX_FMT AV_PIX_FMT_YUV420P /* default pix_fmt */

Examples: mux.c.

Definition at line 48 of file mux.c.

◆ SCALE_FLAGS

#define SCALE_FLAGS SWS_BICUBIC

Examples: mux.c.

Definition at line 50 of file mux.c.

Function Documentation

◆ log_packet()

static void log_packet	(	const AVFormatContext *	fmt_ctx,
		const AVPacket *	pkt
	)

static

Examples: mux.c.

Definition at line 72 of file mux.c.

Referenced by write_frame().

◆ write_frame()

static int write_frame	(	AVFormatContext *	fmt_ctx,
		AVCodecContext *	c,
		AVStream *	st,
		AVFrame *	frame,
		AVPacket *	pkt
	)

static

Examples: mux.c.

Definition at line 83 of file mux.c.

Referenced by write_audio_frame(), and write_video_frame().

◆ add_stream()

static void add_stream	(	OutputStream *	ost,
		AVFormatContext *	oc,
		const AVCodec **	codec,
		enum AVCodecID	codec_id
	)

static

Examples: mux.c.

Definition at line 125 of file mux.c.

Referenced by main().

◆ alloc_audio_frame()

static AVFrame* alloc_audio_frame	(	enum AVSampleFormat	sample_fmt,
		const AVChannelLayout *	channel_layout,
		int	sample_rate,
		int	nb_samples
	)

static

Examples: mux.c.

Definition at line 216 of file mux.c.

Referenced by open_audio().

◆ open_audio()

static void open_audio	(	AVFormatContext *	oc,
		const AVCodec *	codec,
		OutputStream *	ost,
		AVDictionary *	opt_arg
	)

static

Examples: mux.c.

Definition at line 241 of file mux.c.

Referenced by main().

◆ get_audio_frame()

static AVFrame* get_audio_frame ( OutputStream * ost )

static

Examples: mux.c.

Definition at line 307 of file mux.c.

Referenced by write_audio_frame().

◆ write_audio_frame()

static int write_audio_frame	(	AVFormatContext *	oc,
		OutputStream *	ost
	)

static

Examples: mux.c.

Definition at line 336 of file mux.c.

Referenced by main().

◆ alloc_frame()

static AVFrame* alloc_frame	(	enum AVPixelFormat	pix_fmt,
		int	width,
		int	height
	)

static

Examples: mux.c.

Definition at line 381 of file mux.c.

Referenced by open_video().

◆ open_video()

static void open_video	(	AVFormatContext *	oc,
		const AVCodec *	codec,
		OutputStream *	ost,
		AVDictionary *	opt_arg
	)

static

Examples: mux.c.

Definition at line 404 of file mux.c.

Referenced by main().

◆ fill_yuv_image()

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

static

Examples: mux.c.

Definition at line 449 of file mux.c.

Referenced by get_video_frame().

◆ get_video_frame()

static AVFrame* get_video_frame ( OutputStream * ost )

static

Examples: mux.c.

Definition at line 470 of file mux.c.

Referenced by write_video_frame().

◆ write_video_frame()

static int write_video_frame	(	AVFormatContext *	oc,
		OutputStream *	ost
	)

static

Examples: mux.c.

Definition at line 516 of file mux.c.

Referenced by main().

◆ close_stream()

static void close_stream	(	AVFormatContext *	oc,
		OutputStream *	ost
	)

static

Examples: mux.c.

Definition at line 521 of file mux.c.

Referenced by main().

◆ main()

int main	(	int	argc,
		char **	argv
	)

Examples: mux.c.

Definition at line 534 of file mux.c.

Data Structures

Macros

Functions

Macro Definition Documentation

◆ STREAM_DURATION

◆ STREAM_FRAME_RATE

◆ STREAM_PIX_FMT

◆ SCALE_FLAGS

Function Documentation

◆ log_packet()

◆ write_frame()

◆ add_stream()

◆ alloc_audio_frame()

◆ open_audio()

◆ get_audio_frame()

◆ write_audio_frame()

◆ alloc_frame()

◆ open_video()

◆ fill_yuv_image()

◆ get_video_frame()

◆ write_video_frame()

◆ close_stream()

◆ main()