codec_par.h File Reference

#include <stdint.h>
#include "libavutil/avutil.h"
#include "libavutil/channel_layout.h"
#include "libavutil/rational.h"
#include "libavutil/pixfmt.h"
#include "codec_id.h"

Go to the source code of this file.

Data Structures
struct	AVCodecParameters
	This struct describes the properties of an encoded stream. More...

Enumerations
enum	AVFieldOrder {   AV_FIELD_UNKNOWN , AV_FIELD_PROGRESSIVE , AV_FIELD_TT , AV_FIELD_BB ,   AV_FIELD_TB , AV_FIELD_BT }

Functions
AVCodecParameters *	avcodec_parameters_alloc (void)
	Allocate a new AVCodecParameters and set its fields to default values (unknown/invalid/0). More...
void	avcodec_parameters_free (AVCodecParameters **par)
	Free an AVCodecParameters instance and everything associated with it and write NULL to the supplied pointer. More...
int	avcodec_parameters_copy (AVCodecParameters *dst, const AVCodecParameters *src)
	Copy the contents of src to dst. More...
int	av_get_audio_frame_duration2 (AVCodecParameters *par, int frame_bytes)
	This function is the same as av_get_audio_frame_duration(), except it works with AVCodecParameters instead of an AVCodecContext. More...

Enumeration Type Documentation

AVFieldOrder

enum AVFieldOrder

Enumerator
AV_FIELD_UNKNOWN
AV_FIELD_PROGRESSIVE
AV_FIELD_TT
AV_FIELD_BB
AV_FIELD_TB
AV_FIELD_BT

Definition at line 37 of file codec_par.h.

Function Documentation

avcodec_parameters_alloc()

AVCodecParameters * avcodec_parameters_alloc

(

void

)

Allocate a new AVCodecParameters and set its fields to default values (unknown/invalid/0).

The returned struct must be freed with avcodec_parameters_free().

avcodec_parameters_free()

void avcodec_parameters_free

(

AVCodecParameters **

par

)

Free an AVCodecParameters instance and everything associated with it and write NULL to the supplied pointer.

avcodec_parameters_copy()

int avcodec_parameters_copy	(	AVCodecParameters *	dst,
		const AVCodecParameters *	src
	)

Copy the contents of src to dst.

Any allocated fields in dst are freed and replaced with newly allocated duplicates of the corresponding fields in src.

Returns

>= 0 on success, a negative AVERROR code on failure.

Examples

remuxing.c, and transcoding.c.

Referenced by main(), and open_output_file().

av_get_audio_frame_duration2()

int av_get_audio_frame_duration2	(	AVCodecParameters *	par,
		int	frame_bytes
	)

This function is the same as av_get_audio_frame_duration(), except it works with AVCodecParameters instead of an AVCodecContext.