video.c File Reference

#include <string.h>
#include <stdio.h>
#include "libavutil/avassert.h"
#include "libavutil/buffer.h"
#include "libavutil/hwcontext.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

BUFFER_ALIGN

#define BUFFER_ALIGN   32

Definition at line 36 of file video.c.

Function Documentation

ff_null_get_video_buffer()

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

Definition at line 39 of file video.c.

Referenced by cudascale_get_video_buffer(), get_video_buffer(), and init().

ff_default_get_video_buffer()

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

Definition at line 44 of file video.c.

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

ff_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 99 of file video.c.

Referenced by activate(), activate_async(), alloc_out_frame(), apply_lut(), apply_palette(), avgblur_opencl_filter_frame(), avgblur_vulkan_filter_frame(), blend_frame(), blend_frames(), chromaber_vulkan_filter_frame(), config_input(), config_output(), config_video(), config_video_output(), convolution_opencl_filter_frame(), create_frame(), create_weave_frame(), cudaupload_filter_frame(), deint_vaapi_filter_frame(), draw_background(), draw_spatial(), ff_inlink_make_frame_writable(), ff_null_get_video_buffer(), ff_yadif_filter_frame(), filter(), filter_frame(), flip_bayer(), geq_filter_frame(), get_frame(), get_palette_frame(), get_video_buffer(), hwdownload_filter_frame(), hwmap_get_buffer(), hwupload_filter_frame(), misc_vaapi_filter_frame(), neighbor_opencl_filter_frame(), nlmeans_opencl_filter_frame(), output_single_frame(), overlay_opencl_blend(), overlay_vulkan_blend(), pixscope_filter_frame(), plot_cqt(), plot_freqs(), pp_filter_frame(), procamp_vaapi_filter_frame(), process_frame(), program_opencl_run(), qsvscale_filter_frame(), query_frame(), request_frame(), return_frame(), scale_frame(), scale_vaapi_filter_frame(), scale_vulkan_filter_frame(), shuffleplanes_filter_frame(), sierpinski_request_frame(), source_request_frame(), submit_frame(), tonemap_opencl_filter_frame(), tonemap_vaapi_filter_frame(), transpose_opencl_filter_frame(), transpose_vaapi_filter_frame(), try_push_frame(), unsharp_opencl_filter_frame(), and xfade_frame().