diff --git a/multimedia/av_codec/avsource/libnative_media_avsource.ndk.json b/multimedia/av_codec/avsource/libnative_media_avsource.ndk.json
index 090ca10305f7f738ade3cb450a55921534d97040..8758d51bb9ae3f34908335cd453f026520b4da14 100644
--- a/multimedia/av_codec/avsource/libnative_media_avsource.ndk.json
+++ b/multimedia/av_codec/avsource/libnative_media_avsource.ndk.json
@@ -1,4 +1,8 @@
 [
+    {
+        "first_introduced": "12",
+        "name": "OH_AVSource_CreateWithDataSource"
+    },
     {
         "first_introduced": "10",
         "name": "OH_AVSource_CreateWithURI"
diff --git a/multimedia/av_codec/native_avcodec_base.h b/multimedia/av_codec/native_avcodec_base.h
index b26dc245406ae0c5f92e005a9b396e34784f57b8..fe41e2620f27cf729152afa41d8bd74dd821be76 100644
--- a/multimedia/av_codec/native_avcodec_base.h
+++ b/multimedia/av_codec/native_avcodec_base.h
@@ -150,6 +150,27 @@ typedef struct OH_AVCodecCallback {
     OH_AVCodecOnNewOutputBuffer onNewOutputBuffer;
 } OH_AVCodecCallback;
 
+/**
+ * @brief the function pointer will be called to get sequence media data
+ * @syscap SystemCapability.Multimedia.Media.CodecBase
+ * @param data    OH_AVBuffer buffer to fill
+ * @param length   expected to read size;
+ * @param pos    current read offset
+ * @return  Actual size of data read to the buffer.
+ * @since 12
+ */
+typedef int32_t (*OH_AVDataSourceReadAt)(OH_AVBuffer *data, int32_t length, int64_t pos);
+
+/**
+ * @brief User customized data source.
+ * @syscap SystemCapability.Multimedia.Media.CodecBase
+ * @since 12
+ */
+typedef struct OH_AVDataSource {
+    int64_t size;
+    OH_AVDataSourceReadAt readAt;
+} OH_AVDataSource;
+
 /**
  * @brief Enumerates the MIME types of audio and video codecs
  * @syscap SystemCapability.Multimedia.Media.CodecBase
diff --git a/multimedia/av_codec/native_avsource.h b/multimedia/av_codec/native_avsource.h
index 5a9e71e0c9fe39f6861b8d5790326b884e703e3b..a211d69505c24d16544741600e1b25bb0bc90293 100644
--- a/multimedia/av_codec/native_avsource.h
+++ b/multimedia/av_codec/native_avsource.h
@@ -27,6 +27,15 @@ extern "C" {
 
 typedef struct OH_AVSource OH_AVSource;
 
+/**
+ * @brief Creates an OH_AVSource instance that models the media with dataSource.
+ * @syscap SystemCapability.Multimedia.Media.Spliter
+ * @param dataSource An Struct for a remote media resource.
+ * @return Returns a pointer to an OH_AVSource instance
+ * @since 12
+*/
+OH_AVSource *OH_AVSource_CreateWithDataSource(OH_AVDataSource *dataSource);
+
 /**
  * @brief Creates an OH_AVSource instance that models the media at the URI.
  * @syscap SystemCapability.Multimedia.Media.Spliter