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-rw-r--r--libavdevice/avdevice.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavdevice/avdevice.h b/libavdevice/avdevice.h
index d1e321bf3a..d82b26fda6 100644
--- a/libavdevice/avdevice.h
+++ b/libavdevice/avdevice.h
@@ -33,6 +33,10 @@
LIBAVDEVICE_VERSION_MICRO)
#define LIBAVDEVICE_BUILD LIBAVDEVICE_VERSION_INT
+#ifndef FF_API_V4L
+#define FF_API_V4L (LIBAVDEVICE_VERSION_MAJOR < 54)
+#endif
+
/**
* Return the LIBAVDEVICE_VERSION_INT constant.
*/