From b1abd2aaf91be249f24cb74db9c205d9e4ca9da6 Mon Sep 17 00:00:00 2001 From: Luca Barbato Date: Tue, 25 Aug 2015 23:04:12 +0200 Subject: [PATCH] vf_scale: Add an option to pass the scaler params Reported-By: zehan@magicpony.technology --- libavfilter/vf_scale.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c index 73ea9d23e0..65cf6323c1 100644 --- a/libavfilter/vf_scale.c +++ b/libavfilter/vf_scale.c @@ -79,6 +79,7 @@ typedef struct ScaleContext { */ int w, h; unsigned int flags; ///sws flags + double param[2]; // sws params int hsub, vsub; ///< chroma subsampling int slice_y; ///< top of current output slice @@ -238,7 +239,7 @@ static int config_props(AVFilterLink *outlink) else { scale->sws = sws_getContext(inlink ->w, inlink ->h, inlink ->format, outlink->w, outlink->h, outlink->format, - scale->flags, NULL, NULL, NULL); + scale->flags, NULL, NULL, scale->param); if (!scale->sws) return AVERROR(EINVAL); } @@ -300,6 +301,8 @@ static const AVOption options[] = { { "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, { .str = "iw" }, .flags = FLAGS }, { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, { .str = "ih" }, .flags = FLAGS }, { "flags", "Flags to pass to libswscale", OFFSET(flags_str), AV_OPT_TYPE_STRING, { .str = "bilinear" }, .flags = FLAGS }, + { "param0", "Scaler param 0", OFFSET(param[0]), AV_OPT_TYPE_DOUBLE, { .dbl = SWS_PARAM_DEFAULT }, INT_MIN, INT_MAX, FLAGS }, + { "param1", "Scaler param 1", OFFSET(param[1]), AV_OPT_TYPE_DOUBLE, { .dbl = SWS_PARAM_DEFAULT }, INT_MIN, INT_MAX, FLAGS }, { NULL }, };