[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
-yuv422p16le         fc3b2ba889ffaf1633000fc774307c33
-yuv422p9le          6e2a42ae36ed5e8b5112987639728af5
-yuv440p             5e41adcfc27be4369afd217b61b2ffe3
-yuv440p10le         8b49714bba268fb4a79b5a84223ad17a
-yuv440p12le         15ab4f453238bd9c13b18af81e22f060
-yuv444p             a2b58590aef88db2c1f14a1a3a3b0359
-yuv444p10le         c076c20fc808f95b34adb88aca442f48
-yuv444p12le         af8d4dd88169d5cffc2f3fce6333a94c
-yuv444p14le         93367133e25d088d4535199ed1f1ed58
-yuv444p16le         800940feec14365ccd9b4863e38f6991
-yuv444p9le          c120044350852c4cd16a302dd1ceda79
-yuva420p            518a380bf1af60ef2ecf4754eec088e9
-yuva420p16le        72ad4fa535b007d122666ce103ef9c8b
-yuva422p            7110ac2e37377b05b6fc5ad967dfabb5
-yuva422p16le        e2867210660ada5784a60b4339ac52c0
-yuva444p            642f3958f141dece9e99407945e2ef43
-yuva444p16le        ab04ba8acbe38085b0df650d82065eb0
+yuv410p             10cf5dbbccb858a9ab51e0b8bf278f6d
+yuv411p             3f0bfa543ba513c6b6d7fff785fbe150
+yuv420p             ad99204ace669a383f8ae03a1ea5b98f
+yuv420p10le         f1e6cc4c2a5e9665dedd7ac0f2a4d551
+yuv420p12le         d9dfe871483b6a26512d427cb048ff65
+yuv420p14le         cd8bb4803f8e99c6cd31149bf848c30c
+yuv420p16le         4bb13820cf2de9b40ca47adeb7fea356
+yuv420p9le          f12c98b599e667fc45126d6dea7f0fd9
+yuv422p             c57e304bb3f4a1d30bf4ced5e829cdc6
+yuv422p10le         9d95b03f75ae5778804279f3c3135837
+yuv422p12le         08e73e233793740ad68a939b9886dd32
+yuv422p14le         bea6b54ec3e33eadfbd317a175b96288
+yuv422p16le         5438e5738ab3e1e5f7fce5faaac036c4
+yuv422p9le          222a699b69ba8d511518a61d77a10c25
+yuv440p             f8105ff9433ecdedf2645f3370a575d8
+yuv440p10le         6e104ac6c33b00185bb6d95b371e1354
+yuv440p12le         636834efcba838d74337b2ebb9dbffb3
+yuv444p             ca662e7bd7a28805650f25b1537d50a2
+yuv444p10le         c301eb2763e0f74fde94388046c437fa
+yuv444p12le         9482b13de4a9fbce176e8344c9332139
+yuv444p14le         fb558c97e59e884fe5ba407df158ebd5
+yuv444p16le         be9b3ce54168159b132746f7ac9088fe
+yuv444p9le          fa4b9bd6b8cac96e10322e613c8e7149
+yuva420p            7284cbf9eacf1ca5ce9e2efebcadf999
+yuva420p16le        b37d34212c2a79e91b675bc87dac6cc6
+yuva422p            5938a7c7588febb069bd0cd4c447305e
+yuva422p16le        c5ccfdc1a0dc6cb130c07ea61df6f727
+yuva444p            fbcbdc3521d17c702ee521b0893098e4
+yuva444p16le        b7142d28d4d069d7eb019dcaf8b323b1
 yuvj420p            65bc88887c7f06a6221155ca7f9cfca4
 yuvj422p            ff5baffefc8ffe4547653092fd7da200
 yuvj440p            ef3f27270e60ac06582e3ac7c2f3e6fa



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