FFmpeg
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A very simple tv station logo remover Originally imported from MPlayer libmpcodecs/vf_delogo.c, the algorithm was later improved. More...
#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
Go to the source code of this file.
Data Structures | |
struct | DelogoContext |
Macros | |
#define | OFFSET(x) offsetof(DelogoContext, x) |
#define | FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
#define | CHECK_UNSET_OPT(opt) |
Functions | |
static void | apply_delogo (uint8_t *dst, int dst_linesize, uint8_t *src, int src_linesize, int w, int h, AVRational sar, int logo_x, int logo_y, int logo_w, int logo_h, int band, int show, int direct) |
Apply a simple delogo algorithm to the image in src and put the result in dst. | |
AVFILTER_DEFINE_CLASS (delogo) | |
static int | query_formats (AVFilterContext *ctx) |
static av_cold int | init (AVFilterContext *ctx) |
static int | filter_frame (AVFilterLink *inlink, AVFrame *in) |
Variables | |
static const AVOption | delogo_options [] |
static const AVFilterPad | avfilter_vf_delogo_inputs [] |
static const AVFilterPad | avfilter_vf_delogo_outputs [] |
AVFilter | avfilter_vf_delogo |
A very simple tv station logo remover Originally imported from MPlayer libmpcodecs/vf_delogo.c, the algorithm was later improved.
Definition in file vf_delogo.c.
#define OFFSET | ( | x | ) | offsetof(DelogoContext, x) |
Definition at line 155 of file vf_delogo.c.
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
Definition at line 156 of file vf_delogo.c.
#define CHECK_UNSET_OPT | ( | opt | ) |
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Apply a simple delogo algorithm to the image in src and put the result in dst.
The algorithm is only applied to the region specified by the logo parameters.
w | width of the input image |
h | height of the input image |
logo_x | x coordinate of the top left corner of the logo region |
logo_y | y coordinate of the top left corner of the logo region |
logo_w | width of the logo |
logo_h | height of the logo |
band | the size of the band around the processed area |
show | show a rectangle around the processed area, useful for parameters tweaking |
direct | if non-zero perform in-place processing |
Definition at line 57 of file vf_delogo.c.
Referenced by filter_frame().
AVFILTER_DEFINE_CLASS | ( | delogo | ) |
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Definition at line 171 of file vf_delogo.c.
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Definition at line 184 of file vf_delogo.c.
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Definition at line 209 of file vf_delogo.c.
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Definition at line 158 of file vf_delogo.c.
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Definition at line 262 of file vf_delogo.c.
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Definition at line 272 of file vf_delogo.c.
AVFilter avfilter_vf_delogo |
Definition at line 280 of file vf_delogo.c.