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vf_scale: add output h/v_chr_pos parameterss

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-07-14 05:03:06 +02:00
parent 11cb697501
commit e31d20255d
1 changed files with 8 additions and 0 deletions
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8
libavfilter/vf_scale.c
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@ -96,6 +96,9 @@ typedef struct {
int in_range; int in_range;
int out_range; int out_range;
int out_h_chr_pos;
int out_v_chr_pos;
} ScaleContext; } ScaleContext;
static av_cold int init(AVFilterContext *ctx) 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, "dst_format", outfmt, 0);
av_opt_set_int(*s, "sws_flags", scale->flags, 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) if ((ret = sws_init_context(*s, NULL, NULL)) < 0)
return ret; return ret;
if (!scale->interlaced) 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" }, { "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" }, { "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" }, { "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 }, { NULL },
}; };