video.c File Reference

#include <string.h>
#include <stdio.h>
#include "libavutil/avassert.h"
#include "libavutil/buffer.h"
#include "libavutil/imgutils.h"
#include "libavutil/mem.h"
#include "avfilter.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Macros
#define	BUFFER_ALIGN   32

Functions
AVFrame *	ff_null_get_video_buffer (AVFilterLink *link, int w, int h)
AVFrame *	ff_default_get_video_buffer (AVFilterLink *link, int w, int h)
AVFrame *	ff_get_video_buffer (AVFilterLink *link, int w, int h)
	Request a picture buffer with a specific set of permissions. More...

Macro Definition Documentation

#define BUFFER_ALIGN   32

Definition at line 35 of file video.c.

Referenced by ff_default_get_video_buffer().

Function Documentation

AVFrame* ff_null_get_video_buffer	(	AVFilterLink *	link,
		int	w,
		int	h
	)

Definition at line 38 of file video.c.

Referenced by get_video_buffer(), and init().

AVFrame* ff_default_get_video_buffer	(	AVFilterLink *	link,
		int	w,
		int	h
	)

Definition at line 43 of file video.c.

Referenced by ff_get_video_buffer(), fixstride(), and get_video_buffer().

AVFrame* ff_get_video_buffer	(	AVFilterLink *	link,
		int	w,
		int	h
	)

Request a picture buffer with a specific set of permissions.

Parameters

link	the output link to the filter from which the buffer will be requested
w	the minimum width of the buffer to allocate
h	the minimum height of the buffer to allocate

Returns

A reference to the buffer. This must be unreferenced with avfilter_unref_buffer when you are finished with it.

Definition at line 76 of file video.c.

Referenced by alloc_out_frame(), apply_lut(), apply_palette(), blend_frame(), blend_frames16(), blend_frames8(), config_input(), config_output(), config_video(), config_video_output(), create_weave_frame(), draw_background(), ff_filter_frame_framed(), ff_null_get_video_buffer(), filter(), filter_frame(), geq_filter_frame(), get_frame(), get_palette_frame(), get_video_buffer(), hwdownload_filter_frame(), output_single_frame(), plot_cqt(), plot_freqs(), pp_filter_frame(), process_frame(), request_frame(), return_frame(), shuffleplanes_filter_frame(), source_request_frame(), and try_push_frame().