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-rw-r--r--libavdevice/avdevice.h22
-rw-r--r--libavutil/avutil.h1
2 files changed, 23 insertions, 0 deletions
diff --git a/libavdevice/avdevice.h b/libavdevice/avdevice.h
index fd82816713..e6c86cb3c3 100644
--- a/libavdevice/avdevice.h
+++ b/libavdevice/avdevice.h
@@ -19,6 +19,28 @@
#ifndef AVDEVICE_AVDEVICE_H
#define AVDEVICE_AVDEVICE_H
+/**
+ * @file
+ * @ingroup lavd
+ * Main libavdevice API header
+ */
+
+/**
+ * @defgroup lavd Special devices muxing/demuxing library
+ * @{
+ * Libavdevice is a complementary library to @ref libavf "libavformat". It
+ * provides various "special" platform-specific muxers and demuxers, e.g. for
+ * grabbing devices, audio capture and playback etc. As a consequence, the
+ * (de)muxers in libavdevice are of the AVFMT_NOFILE type (they use their own
+ * I/O functions). The filename passed to avformat_open_input() often does not
+ * refer to an actually existing file, but has some special device-specific
+ * meaning - e.g. for the x11grab device it is the display name.
+ *
+ * To use libavdevice, simply call avdevice_register_all() to register all
+ * compiled muxers and demuxers. They all use standard libavformat API.
+ * @}
+ */
+
#include "libavutil/avutil.h"
#define LIBAVDEVICE_VERSION_MAJOR 53
diff --git a/libavutil/avutil.h b/libavutil/avutil.h
index 1ed9ffe87c..fa84eff9e7 100644
--- a/libavutil/avutil.h
+++ b/libavutil/avutil.h
@@ -37,6 +37,7 @@
* @li @ref libavc "libavcodec" encoding/decoding library
* @li @subpage libavfilter graph based frame editing library
* @li @ref libavf "libavformat" I/O and muxing/demuxing library
+ * @li @ref lavd "libavdevice" special devices muxing/demuxing library
* @li @ref lavu "libavutil" common utility library
* @li @subpage libpostproc post processing library
* @li @subpage libswscale color conversion and scaling library