FFmpeg
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vf_bbox.c File Reference
bounding box detection filter More...
#include "libavutil/pixdesc.h"
#include "libavutil/timestamp.h"
#include "avfilter.h"
#include "bbox.h"
#include "internal.h"
Include dependency graph for vf_bbox.c:
Go to the source code of this file.
Data Structures | |
struct | BBoxContext |
Functions | |
static int | query_formats (AVFilterContext *ctx) |
static int | filter_frame (AVFilterLink *inlink, AVFrame *frame) |
Variables | |
static const AVFilterPad | bbox_inputs [] |
static const AVFilterPad | bbox_outputs [] |
AVFilter | avfilter_vf_bbox |
Detailed Description
bounding box detection filter
Definition in file vf_bbox.c.
Function Documentation
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static |
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Variable Documentation
AVFilter avfilter_vf_bbox |
Initial value:
= {
.name = "bbox",
.description = NULL_IF_CONFIG_SMALL("Compute bounding box for each frame."),
.priv_size = sizeof(BBoxContext),
.inputs = bbox_inputs,
.outputs = bbox_outputs,
}
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: libavutil/internal.h:123
Definition: vf_bbox.c:32
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several inputs
Definition: filter_design.txt:216
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Initial value:
= {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = filter_frame,
},
{ NULL }
}
Definition: avutil.h:143
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Initial value:
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