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avfilter/zscale: add support for resize filter spline64

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Fixes #20928
This commit is contained in:
Gyan Doshi
2025-11-25 12:41:37 +05:30
parent 0486ad61ce
commit 2b221fdb4a
2 changed files with 4 additions and 2 deletions
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1
doc/filters.texi
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@@ -26504,6 +26504,7 @@ Possible values are:
@item bicubic
@item spline16
@item spline36
@item spline64
@item lanczos
@end table

5
libavfilter/vf_zscale.c
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@@ -940,13 +940,14 @@ static const AVOption zscale_options[] = {
{ "ordered", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_DITHER_ORDERED}, 0, 0, FLAGS, .unit = "dither" },
{ "random", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_DITHER_RANDOM}, 0, 0, FLAGS, .unit = "dither" },
{ "error_diffusion", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_DITHER_ERROR_DIFFUSION}, 0, 0, FLAGS, .unit = "dither" },
{ "filter", "set filter type", OFFSET(filter), AV_OPT_TYPE_INT, {.i64 = ZIMG_RESIZE_BILINEAR}, 0, ZIMG_RESIZE_LANCZOS, FLAGS, .unit = "filter" },
{ "f", "set filter type", OFFSET(filter), AV_OPT_TYPE_INT, {.i64 = ZIMG_RESIZE_BILINEAR}, 0, ZIMG_RESIZE_LANCZOS, FLAGS, .unit = "filter" },
{ "filter", "set filter type", OFFSET(filter), AV_OPT_TYPE_INT, {.i64 = ZIMG_RESIZE_BILINEAR}, 0, ZIMG_RESIZE_SPLINE64, FLAGS, .unit = "filter" },
{ "f", "set filter type", OFFSET(filter), AV_OPT_TYPE_INT, {.i64 = ZIMG_RESIZE_BILINEAR}, 0, ZIMG_RESIZE_SPLINE64, FLAGS, .unit = "filter" },
{ "point", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_POINT}, 0, 0, FLAGS, .unit = "filter" },
{ "bilinear", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_BILINEAR}, 0, 0, FLAGS, .unit = "filter" },
{ "bicubic", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_BICUBIC}, 0, 0, FLAGS, .unit = "filter" },
{ "spline16", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_SPLINE16}, 0, 0, FLAGS, .unit = "filter" },
{ "spline36", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_SPLINE36}, 0, 0, FLAGS, .unit = "filter" },
{ "spline64", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_SPLINE64}, 0, 0, FLAGS, .unit = "filter" },
{ "lanczos", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_LANCZOS}, 0, 0, FLAGS, .unit = "filter" },
{ "out_range", "set color range", OFFSET(range), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_RANGE_FULL, FLAGS, .unit = "range" },
{ "range", "set color range", OFFSET(range), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_RANGE_FULL, FLAGS, .unit = "range" },