Return -1 on invalid input instead of crashing.

14 years ago · 364889cf9c
parent b8e3b74147
commit 364889cf9c
1 changed files with 1 additions and 1 deletions
--- 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;