[FFmpeg-cvslog] avfilter/vf_lut: do not always explicitly clip pixels
Paul B Mahol
git at videolan.org
Mon Feb 13 23:54:32 EET 2017
ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Mon Feb 13 21:52:51 2017 +0100| [72864547f91f2864f75b2829d0c11317ef7b390b] | committer: Paul B Mahol
avfilter/vf_lut: do not always explicitly clip pixels
Old behaviour was not useful at all. New behaviour only emulate
old behaviour with default options.
Signed-off-by: Paul B Mahol <onemda at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=72864547f91f2864f75b2829d0c11317ef7b390b
---
libavfilter/vf_lut.c | 26 +++++++++---------
tests/ref/fate/filter-pixfmts-lut | 58 +++++++++++++++++++--------------------
2 files changed, 42 insertions(+), 42 deletions(-)
diff --git a/libavfilter/vf_lut.c b/libavfilter/vf_lut.c
index 312bb37..2472673 100644
--- a/libavfilter/vf_lut.c
+++ b/libavfilter/vf_lut.c
@@ -84,17 +84,17 @@ typedef struct LutContext {
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
static const AVOption options[] = {
- { "c0", "set component #0 expression", OFFSET(comp_expr_str[0]), AV_OPT_TYPE_STRING, { .str = "val" }, .flags = FLAGS },
- { "c1", "set component #1 expression", OFFSET(comp_expr_str[1]), AV_OPT_TYPE_STRING, { .str = "val" }, .flags = FLAGS },
- { "c2", "set component #2 expression", OFFSET(comp_expr_str[2]), AV_OPT_TYPE_STRING, { .str = "val" }, .flags = FLAGS },
- { "c3", "set component #3 expression", OFFSET(comp_expr_str[3]), AV_OPT_TYPE_STRING, { .str = "val" }, .flags = FLAGS },
- { "y", "set Y expression", OFFSET(comp_expr_str[Y]), AV_OPT_TYPE_STRING, { .str = "val" }, .flags = FLAGS },
- { "u", "set U expression", OFFSET(comp_expr_str[U]), AV_OPT_TYPE_STRING, { .str = "val" }, .flags = FLAGS },
- { "v", "set V expression", OFFSET(comp_expr_str[V]), AV_OPT_TYPE_STRING, { .str = "val" }, .flags = FLAGS },
- { "r", "set R expression", OFFSET(comp_expr_str[R]), AV_OPT_TYPE_STRING, { .str = "val" }, .flags = FLAGS },
- { "g", "set G expression", OFFSET(comp_expr_str[G]), AV_OPT_TYPE_STRING, { .str = "val" }, .flags = FLAGS },
- { "b", "set B expression", OFFSET(comp_expr_str[B]), AV_OPT_TYPE_STRING, { .str = "val" }, .flags = FLAGS },
- { "a", "set A expression", OFFSET(comp_expr_str[A]), AV_OPT_TYPE_STRING, { .str = "val" }, .flags = FLAGS },
+ { "c0", "set component #0 expression", OFFSET(comp_expr_str[0]), AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
+ { "c1", "set component #1 expression", OFFSET(comp_expr_str[1]), AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
+ { "c2", "set component #2 expression", OFFSET(comp_expr_str[2]), AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
+ { "c3", "set component #3 expression", OFFSET(comp_expr_str[3]), AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
+ { "y", "set Y expression", OFFSET(comp_expr_str[Y]), AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
+ { "u", "set U expression", OFFSET(comp_expr_str[U]), AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
+ { "v", "set V expression", OFFSET(comp_expr_str[V]), AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
+ { "r", "set R expression", OFFSET(comp_expr_str[R]), AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
+ { "g", "set G expression", OFFSET(comp_expr_str[G]), AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
+ { "b", "set B expression", OFFSET(comp_expr_str[B]), AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
+ { "a", "set A expression", OFFSET(comp_expr_str[A]), AV_OPT_TYPE_STRING, { .str = "clipval" }, .flags = FLAGS },
{ NULL }
};
@@ -265,7 +265,7 @@ static int config_props(AVFilterLink *inlink)
max[Y] = 235 * (1 << (desc->comp[0].depth - 8));
max[U] = 240 * (1 << (desc->comp[1].depth - 8));
max[V] = 240 * (1 << (desc->comp[2].depth - 8));
- max[A] = (1 << desc->comp[3].depth) - 1;
+ max[A] = (1 << desc->comp[0].depth) - 1;
break;
case AV_PIX_FMT_RGB48LE:
case AV_PIX_FMT_RGBA64LE:
@@ -324,7 +324,7 @@ static int config_props(AVFilterLink *inlink)
s->comp_expr_str[color], val, comp);
return AVERROR(EINVAL);
}
- s->lut[comp][val] = av_clip((int)res, min[color], max[color]);
+ s->lut[comp][val] = av_clip((int)res, 0, max[A]);
av_log(ctx, AV_LOG_DEBUG, "val[%d][%d] = %d\n", comp, val, s->lut[comp][val]);
}
}
diff --git a/tests/ref/fate/filter-pixfmts-lut b/tests/ref/fate/filter-pixfmts-lut
index 7a43994..876568e 100644
--- a/tests/ref/fate/filter-pixfmts-lut
+++ b/tests/ref/fate/filter-pixfmts-lut
@@ -15,35 +15,35 @@ rgb24 a356171207723a580e7d277078072005
rgb48le 5c7dd8575836d18c91e09f1915cf9aa9
rgba 7bc854c2698b78af3e9159a19c2d9d21
rgba64le 3a087ecab583d1930220592731f282b4
-yuv410p 51b39a0e33f108e652457a26667319ea
-yuv411p 9204c5af92aef4922a05f58c1f6c095e
-yuv420p 7c43bb0cae8dee633375c89295598508
-yuv420p10le 1352712dd31cce78bd5441294004cf85
-yuv420p12le c66f82da9fda458ba3abda057c58e591
-yuv420p14le e45cb5e2a75bf6143da0b55004767f78
-yuv420p16le eff54782c51770edfd6b84c958ac7120
-yuv420p9le 4a6776b3379f12ad45caee8072a13695
-yuv422p 67df35da0c35e54882492b2365438254
-yuv422p10le 0158371a800294015def7f0ef66c78ea
-yuv422p12le bc49d3863ffb89658a17bf8c4fe773b0
-yuv422p14le b55cb791d286b0b3391fe7481785e5b3
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