diff options
| -rw-r--r-- | libavfilter/vf_scale.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c index 8d8351b900..5fd8693717 100644 --- a/libavfilter/vf_scale.c +++ b/libavfilter/vf_scale.c @@ -96,6 +96,9 @@ typedef struct { int in_range; int out_range; + + int out_h_chr_pos; + int out_v_chr_pos; } ScaleContext; static av_cold int init(AVFilterContext *ctx) @@ -323,6 +326,9 @@ static int config_props(AVFilterLink *outlink) av_opt_set_int(*s, "dst_format", outfmt, 0); av_opt_set_int(*s, "sws_flags", scale->flags, 0); + av_opt_set_int(*s, "dst_h_chr_pos", scale->out_h_chr_pos, 0); + av_opt_set_int(*s, "dst_v_chr_pos", scale->out_v_chr_pos, 0); + if ((ret = sws_init_context(*s, NULL, NULL)) < 0) return ret; if (!scale->interlaced) @@ -491,6 +497,8 @@ static const AVOption scale_options[] = { { "mpeg", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_MPEG}, 0, 0, FLAGS, "range" }, { "tv", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_JPEG}, 0, 0, FLAGS, "range" }, { "pc", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_MPEG}, 0, 0, FLAGS, "range" }, + { "out_v_chr_pos", "output vertical chroma position in luma grid/256" , OFFSET(out_v_chr_pos), AV_OPT_TYPE_INT, { .i64 = -1}, -1, 512, FLAGS }, + { "out_h_chr_pos", "output horizontal chroma position in luma grid/256", OFFSET(out_h_chr_pos), AV_OPT_TYPE_INT, { .i64 = -1}, -1, 512, FLAGS }, { NULL }, }; |