Return -1 on invalid input instead of crashing.

364889cf · Jean-Tiare Le Bigot · Carl Eugen Hoyos · b8e3b741 · 364889cf
Commit 364889cf authored May 25, 2011 by Jean-Tiare Le Bigot Committed by Carl Eugen Hoyos May 25, 2011
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utils.c libswscale/utils.c +1 -1

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--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -710,7 +710,7 @@ int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange

 int sws_getColorspaceDetails(SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation)
 {
-    if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1;
+    if (!c || isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1;

    *inv_table = c->srcColorspaceTable;
    *table     = c->dstColorspaceTable;