---
libavutil/log.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/libavutil/log.h b/libavutil/log.h
index a6a07e0..e1ff09b 100644
--- a/libavutil/log.h
+++ b/libavutil/log.h
@@ -46,6 +46,16 @@ typedef enum {
AV_CLASS_CATEGORY_NB, ///< not part of ABI/API
}AVClassCategory;
+#define AV_IS_INPUT_DEVICE(category) \
+ (((category) == AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT) || \
+ ((category) == AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT) || \
+ ((category) == AV_CLASS_CATEGORY_DEVICE_INPUT))
+
+#define AV_IS_OUTPUT_DEVICE(category) \
+ (((category) == AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT) || \
+ ((category) == AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT) || \
+ ((category) == AV_CLASS_CATEGORY_DEVICE_OUTPUT))
+
struct AVOptionRanges;
/**
--
1.9.1
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