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avfilter/vf_deflicker: add bypass option 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2017-05-15 21:32:44 +02:00
parent 9bebad86c7
commit 4c55144ee9
2 changed files with 9 additions and 3 deletions
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3
doc/filters.texi
View File

@ -6394,6 +6394,9 @@ Power mean
@item median
Median
@end table
@item bypass
Do not actually modify frame. Useful when one only wants metadata.
@end table
@section dejudder

9
libavfilter/vf_deflicker.c
View File

@ -49,6 +49,7 @@ typedef struct DeflickerContext {
int size;
int mode;
int bypass;
int eof;
int depth;
@ -84,6 +85,7 @@ static const AVOption deflicker_options[] = {
{ "cm", "cubic mean", 0, AV_OPT_TYPE_CONST, {.i64=CUBIC_MEAN}, 0, 0, FLAGS, "mode" },
{ "pm", "power mean", 0, AV_OPT_TYPE_CONST, {.i64=POWER_MEAN}, 0, 0, FLAGS, "mode" },
{ "median", "median", 0, AV_OPT_TYPE_CONST, {.i64=MEDIAN}, 0, 0, FLAGS, "mode" },
{ "bypass", "leave frames unchanged", OFFSET(bypass), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
{ NULL }
};
@ -377,9 +379,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
}
s->get_factor(ctx, &f);
s->deflicker(ctx, in->data[0], in->linesize[0], out->data[0], out->linesize[0],
outlink->w, outlink->h, f);
for (y = 1; y < s->nb_planes; y++) {
if (!s->bypass)
s->deflicker(ctx, in->data[0], in->linesize[0], out->data[0], out->linesize[0],
outlink->w, outlink->h, f);
for (y = 1 - s->bypass; y < s->nb_planes; y++) {
av_image_copy_plane(out->data[y], out->linesize[y],
in->data[y], in->linesize[y],
s->planewidth[y] * (1 + (s->depth > 8)), s->planeheight[y]);