X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libswscale%2Futils.c;h=28de7b6e81f81dc6e3e895087e4d64ab610eb807;hb=b2cfd1fde7a2643be9978ec8da58c184a5d9a140;hp=b3e117f70eb1e68ee0eaac1d526a96e11f35323b;hpb=fb7d64df7e3b4894460c23ef3005030a5f86b5d1;p=ffmpeg

diff --git a/libswscale/utils.c b/libswscale/utils.c
index b3e117f70eb..28de7b6e81f 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -983,6 +983,7 @@ int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4],
 {
     const AVPixFmtDescriptor *desc_dst;
     const AVPixFmtDescriptor *desc_src;
+    int need_reinit = 0;
     memmove(c->srcColorspaceTable, inv_table, sizeof(int) * 4);
     memmove(c->dstColorspaceTable, table, sizeof(int) * 4);
 
@@ -998,9 +999,14 @@ int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4],
     c->brightness = brightness;
     c->contrast   = contrast;
     c->saturation = saturation;
+    if (c->srcRange != srcRange || c->dstRange != dstRange)
+        need_reinit = 1;
     c->srcRange   = srcRange;
     c->dstRange   = dstRange;
 
+    if (need_reinit && c->srcBpc == 8)
+        ff_sws_init_range_convert(c);
+
     if ((isYUV(c->dstFormat) || isGray(c->dstFormat)) && (isYUV(c->srcFormat) || isGray(c->srcFormat)))
         return -1;
 
@@ -1334,20 +1340,6 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
 
     FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW*2+78, 16) * 2, fail);
 
-    /* unscaled special cases */
-    if (unscaled && !usesHFilter && !usesVFilter &&
-        (c->srcRange == c->dstRange || isAnyRGB(dstFormat))) {
-        ff_get_unscaled_swscale(c);
-
-        if (c->swscale) {
-            if (flags & SWS_PRINT_INFO)
-                av_log(c, AV_LOG_INFO,
-                       "using unscaled %s -> %s special converter\n",
-                       av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
-            return 0;
-        }
-    }
-
     c->srcBpc = 1 + desc_src->comp[0].depth_minus1;
     if (c->srcBpc < 8)
         c->srcBpc = 8;
@@ -1643,6 +1635,20 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
                c->chrXInc, c->chrYInc);
     }
 
+    /* unscaled special cases */
+    if (unscaled && !usesHFilter && !usesVFilter &&
+        (c->srcRange == c->dstRange || isAnyRGB(dstFormat))) {
+        ff_get_unscaled_swscale(c);
+
+        if (c->swscale) {
+            if (flags & SWS_PRINT_INFO)
+                av_log(c, AV_LOG_INFO,
+                       "using unscaled %s -> %s special converter\n",
+                       av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
+            return 0;
+        }
+    }
+
     c->swscale = ff_getSwsFunc(c);
     return 0;
 fail: // FIXME replace things by appropriate error codes