---
 libavcodec/avcodec.h |   22 ++++++++++++++++++++++
 libavcodec/version.h |    2 +-
 2 files changed, 23 insertions(+), 1 deletions(-)

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 2cdaef6..3a714a9 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -856,6 +856,7 @@ typedef struct AVPanScan{
 enum AVPacketSideDataType {
     AV_PKT_DATA_PALETTE,
     AV_PKT_DATA_NEW_EXTRADATA,
+    AV_PKT_DATA_PARAM_CHANGE,
 };
 
 typedef struct AVPacket {
@@ -925,6 +926,27 @@ typedef struct AVPacket {
 #define AV_PKT_FLAG_CORRUPT 0x0002 ///< The packet content is corrupted
 
 /**
+ * An AV_PKT_DATA_PARAM_CHANGE side data packet is laid out as follows:
+ * u32le param_flags
+ * if (param_flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT)
+ *     u32le channel_count
+ * if (param_flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT)
+ *     u64le channel_layout
+ * if (param_flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE)
+ *     u32le sample_rate
+ * if (param_flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS)
+ *     u32le width
+ *     u32le height
+ */
+
+enum AVSideDataParamChangeFlags {
+    AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT  = 0x0001,
+    AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT = 0x0002,
+    AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE    = 0x0004,
+    AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS     = 0x0008,
+};
+
+/**
  * Audio Video Frame.
  * New fields can be added to the end of AVFRAME with minor version
  * bumps. Removal, reordering and changes to existing fields require
diff --git a/libavcodec/version.h b/libavcodec/version.h
index b6c12a8..0284263 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -21,7 +21,7 @@
 #define AVCODEC_VERSION_H
 
 #define LIBAVCODEC_VERSION_MAJOR 53
-#define LIBAVCODEC_VERSION_MINOR 29
+#define LIBAVCODEC_VERSION_MINOR 30
 #define LIBAVCODEC_VERSION_MICRO  0
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
-- 
1.7.3.1

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