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-rw-r--r--libavfilter/video.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/libavfilter/video.c b/libavfilter/video.c
index 26805feba0..211cec9055 100644
--- a/libavfilter/video.c
+++ b/libavfilter/video.c
@@ -21,6 +21,20 @@
#include "avfilter.h"
#include "internal.h"
+#ifdef DEBUG
+static char *ff_get_ref_perms_string(char *buf, size_t buf_size, int perms)
+{
+ snprintf(buf, buf_size, "%s%s%s%s%s%s",
+ perms & AV_PERM_READ ? "r" : "",
+ perms & AV_PERM_WRITE ? "w" : "",
+ perms & AV_PERM_PRESERVE ? "p" : "",
+ perms & AV_PERM_REUSE ? "u" : "",
+ perms & AV_PERM_REUSE2 ? "U" : "",
+ perms & AV_PERM_NEG_LINESIZES ? "n" : "");
+ return buf;
+}
+#endif
+
static void ff_dlog_ref(void *ctx, AVFilterBufferRef *ref, int end)
{
av_unused char buf[16];