libavfilter/vf_pad.c File Reference
video padding filter and color source
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#include "avfilter.h"
#include "libavutil/pixdesc.h"
#include "libavutil/colorspace.h"
#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/parseutils.h"
#include "drawutils.h"
Go to the source code of this file.
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Data Structures |
struct | PadContext |
Functions |
static int | query_formats (AVFilterContext *ctx) |
static av_cold int | init (AVFilterContext *ctx, const char *args, void *opaque) |
static av_cold void | uninit (AVFilterContext *ctx) |
static int | config_input (AVFilterLink *inlink) |
static int | config_output (AVFilterLink *outlink) |
static AVFilterBufferRef * | get_video_buffer (AVFilterLink *inlink, int perms, int w, int h) |
static int | does_clip (PadContext *pad, AVFilterBufferRef *outpicref, int plane, int hsub, int vsub, int x, int y) |
static void | start_frame (AVFilterLink *inlink, AVFilterBufferRef *inpicref) |
static void | end_frame (AVFilterLink *link) |
static void | draw_send_bar_slice (AVFilterLink *link, int y, int h, int slice_dir, int before_slice) |
static void | draw_slice (AVFilterLink *link, int y, int h, int slice_dir) |
Variables |
AVFilter | avfilter_vf_pad |
Detailed Description
video padding filter and color source
Definition in file vf_pad.c.
Function Documentation
static int config_output |
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AVFilterLink * |
outlink |
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[static] |
static void draw_send_bar_slice |
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AVFilterLink * |
link, |
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int |
y, |
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int |
h, |
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int |
slice_dir, |
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int |
before_slice | |
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) |
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static void draw_slice |
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AVFilterLink * |
link, |
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int |
y, |
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int |
h, |
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int |
slice_dir | |
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) |
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static av_cold int init |
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AVFilterContext * |
ctx, |
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const char * |
args, |
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void * |
opaque | |
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) |
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Variable Documentation
Initial value:
{
.name = "pad",
.description = NULL_IF_CONFIG_SMALL("Pad input image to width:height[:x:y[:color]] (default x and y: 0, default color: black)."),
.priv_size = sizeof(PadContext),
.init = init,
.uninit = uninit,
.query_formats = query_formats,
.inputs = (AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_input,
.get_video_buffer = get_video_buffer,
.start_frame = start_frame,
.draw_slice = draw_slice,
.end_frame = end_frame, },
{ .name = NULL}},
.outputs = (AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_output, },
{ .name = NULL}},
}
Definition at line 308 of file vf_pad.c.