diff --git a/doc/filters.texi b/doc/filters.texi index a86127f261..9611a41e28 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -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 diff --git a/libavfilter/vf_deflicker.c b/libavfilter/vf_deflicker.c index e748109c8b..2a33adc503 100644 --- a/libavfilter/vf_deflicker.c +++ b/libavfilter/vf_deflicker.c @@ -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]);