libavfilter/avcodec.h File Reference

libavcodec/libavfilter gluing utilities More...

#include "libavcodec/avcodec.h"
#include "avfilter.h"
#include "vsrc_buffer.h"

Go to the source code of this file.

Functions
int	avfilter_copy_frame_props (AVFilterBufferRef *dst, const AVFrame *src)
	Copy the frame properties of src to dst, without copying the actual image data.
AVFilterBufferRef *	avfilter_get_video_buffer_ref_from_frame (const AVFrame *frame, int perms)
	Create and return a picref reference from the data and properties contained in frame.
int	avfilter_fill_frame_from_video_buffer_ref (AVFrame *frame, const AVFilterBufferRef *picref)
	Fill an AVFrame with the information stored in picref.
int	av_vsrc_buffer_add_frame (AVFilterContext *buffer_src, const AVFrame *frame, int flags)
	Add frame data to buffer_src.

---

Detailed Description

libavcodec/libavfilter gluing utilities

This should be included in an application ONLY if the installed libavfilter has been compiled with libavcodec support, otherwise symbols defined below will not be available.

Definition in file avcodec.h.

---

Function Documentation

int av_vsrc_buffer_add_frame	(	AVFilterContext *	buffer_src,
		const AVFrame *	frame,
		int	flags
	)

Add frame data to buffer_src.

Parameters:

	buffer_src	pointer to a buffer source context
	flags	a combination of AV_VSRC_BUF_FLAG_* flags

Returns:

>= 0 in case of success, a negative AVERROR code in case of failure

Referenced by main(), and transcode_video().

int avfilter_copy_frame_props	(	AVFilterBufferRef *	dst,
		const AVFrame *	src
	)

Copy the frame properties of src to dst, without copying the actual image data.

Definition at line 26 of file avcodec.c.

Referenced by avfilter_get_video_buffer_ref_from_frame(), and transcode_video().

int avfilter_fill_frame_from_video_buffer_ref	(	AVFrame *	frame,
		const AVFilterBufferRef *	picref
	)

Fill an AVFrame with the information stored in picref.

Parameters:

	frame	an already allocated AVFrame
	picref	a video buffer reference

Returns:

0 in case of success, a negative AVERROR code in case of failure

Definition at line 59 of file avcodec.c.

Referenced by transcode_video(), and video_thread().

AVFilterBufferRef* avfilter_get_video_buffer_ref_from_frame	(	const AVFrame *	frame,
		int	perms
	)

Create and return a picref reference from the data and properties contained in frame.

Parameters:

perms

permissions to assign to the new buffer reference

Definition at line 46 of file avcodec.c.