video.c File Reference

#include <string.h>
#include <stdio.h>
#include "libavutil/buffer.h"
#include "libavutil/cpu.h"
#include "libavutil/hwcontext.h"
#include "libavutil/pixfmt.h"
#include "avfilter.h"
#include "avfilter_internal.h"
#include "filters.h"
#include "framepool.h"
#include "video.h"

Go to the source code of this file.

Functions
AVFrame *	ff_null_get_video_buffer (AVFilterLink *link, int w, int h)
AVFrame *	ff_default_get_video_buffer2 (AVFilterLink *link, int w, int h, int align)
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...

Variables
const AVFilterPad	ff_video_default_filterpad [1]
	An AVFilterPad array whose only entry has name "default" and is of type AVMEDIA_TYPE_VIDEO. More...

Function Documentation

ff_null_get_video_buffer()

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

Definition at line 44 of file video.c.

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

ff_default_get_video_buffer2()

AVFrame* ff_default_get_video_buffer2	(	AVFilterLink *	link,
		int	w,
		int	h,
		int	align
	)

Definition at line 49 of file video.c.

Referenced by ff_default_get_video_buffer(), ff_qsvvpp_get_video_buffer(), filter_frame(), realign_frame(), and source_request_frame().

ff_default_get_video_buffer()

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

Definition at line 111 of file video.c.

Referenced by cudascale_get_video_buffer(), ff_get_video_buffer(), fixstride(), get_buffer(), 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

on success, an AVFrame owned by the caller, NULL on error

Definition at line 116 of file video.c.

Referenced by activate(), alloc_out_frame(), apply_palette(), avgblur_opencl_filter_frame(), avgblur_vulkan_filter_frame(), blend_frame(), blend_frames(), blur_frame(), 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(), ddagrab_request_frame(), deint_vaapi_filter_frame(), do_morpho(), draw_background(), draw_spatial(), drawbox_vaapi_filter_frame(), extract_plane(), ff_inlink_make_frame_writable(), ff_null_get_video_buffer(), ff_yadif_filter_frame(), filter(), filter_frame(), flip_bayer(), gblur_vulkan_filter_frame(), 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_frame(), output_single_frame(), overlay_opencl_blend(), overlay_vaapi_blend(), overlay_vulkan_blend(), pad_vaapi_filter_frame(), pixscope_filter_frame(), plot_cqt(), plot_freqs(), pp_filter_frame(), procamp_vaapi_filter_frame(), process_frame(), program_opencl_run(), query_frame(), remap_opencl_process_frame(), request_frame(), return_frame(), scale_frame(), scale_vaapi_filter_frame(), scale_vt_filter_frame(), scale_vulkan_filter_frame(), shuffleplanes_filter_frame(), sierpinski_request_frame(), submit_frame(), testsrc_vulkan_activate(), tonemap_opencl_filter_frame(), tonemap_vaapi_filter_frame(), transpose_opencl_filter_frame(), transpose_vaapi_filter_frame(), transpose_vt_filter_frame(), try_push_frame(), unsharp_opencl_filter_frame(), video_frame(), and xfade_frame().

Variable Documentation

ff_video_default_filterpad

const AVFilterPad ff_video_default_filterpad[1]

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO,
    }
}

An AVFilterPad array whose only entry has name "default" and is of type AVMEDIA_TYPE_VIDEO.

Definition at line 37 of file video.c.