avfilter/vf_waveform: stop abusing s->size for calculating limit

[ffmpeg] / libavutil / xtea.c

diff --git a/libavutil/xtea.c b/libavutil/xtea.c
index 1750cbc45acf82e90dab737dec74be329e48db69..b95f32239ef4ebcdc6e07a84541a2968c6cded09 100644 (file)
--- a/libavutil/xtea.c
+++ b/libavutil/xtea.c
@@ -31,8 +31,20 @@
 #include "avutil.h"
 #include "common.h"
 #include "intreadwrite.h"
+#include "mem.h"
 #include "xtea.h"
 
+#if !FF_API_CRYPTO_CONTEXT
+struct AVXTEA {
+    uint32_t key[16];
+};
+#endif
+
+AVXTEA *av_xtea_alloc(void)
+{
+    return av_mallocz(sizeof(struct AVXTEA));
+}
+
 void av_xtea_init(AVXTEA *ctx, const uint8_t key[16])
 {
     int i;