mux.c File Reference

#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>

Go to the source code of this file.

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.

Referenced by get_audio_frame(), and get_video_frame().

STREAM_FRAME_RATE

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

Examples

mux.c.

Definition at line 47 of file mux.c.

Referenced by add_stream().

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.

Referenced by add_stream().

SCALE_FLAGS

#define SCALE_FLAGS   SWS_BICUBIC

Examples

mux.c.

Definition at line 50 of file mux.c.

Referenced by get_video_frame().

Function Documentation

log_packet()

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

static

Examples

mux.c, and remux.c.

Definition at line 72 of file mux.c.

Referenced by main(), and write_frame().

write_frame()

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()

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()

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 232 of file mux.c.

Referenced by open_audio().

open_audio()

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

static

Examples

mux.c.

Definition at line 257 of file mux.c.

Referenced by main().

get_audio_frame()

AVFrame * get_audio_frame ( OutputStream * ost )

static

Examples

mux.c.

Definition at line 323 of file mux.c.

Referenced by write_audio_frame().

write_audio_frame()

int write_audio_frame ( AVFormatContext * oc, OutputStream * ost )

static

Examples

mux.c.

Definition at line 352 of file mux.c.

Referenced by main().

alloc_frame()

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

static

Examples

mux.c.

Definition at line 397 of file mux.c.

Referenced by open_video().

open_video()

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

static

Examples

mux.c.

Definition at line 420 of file mux.c.

Referenced by main().

fill_yuv_image()

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

static

Examples

mux.c, and scale_video.c.

Definition at line 465 of file mux.c.

Referenced by get_video_frame(), and main().

get_video_frame()

AVFrame * get_video_frame ( OutputStream * ost )

static

Examples

mux.c.

Definition at line 486 of file mux.c.

Referenced by write_video_frame().

write_video_frame()

int write_video_frame ( AVFormatContext * oc, OutputStream * ost )

static

Examples

mux.c.

Definition at line 532 of file mux.c.

Referenced by main().

close_stream()

void close_stream ( AVFormatContext * oc, OutputStream * ost )

static

Examples

mux.c.

Definition at line 537 of file mux.c.

Referenced by main().

main()

int main	(	int	argc,
		char **	argv )

Definition at line 550 of file mux.c.