From 2c5ee82f4eefe9a08db44c12c606dd6a1a377a03 Mon Sep 17 00:00:00 2001
From: ChenHengming <ChenHengming@6e48237b-75ef-9749-8fc9-41990f28c85a>
Date: Fri, 21 Aug 2015 02:52:40 +0000
Subject: [PATCH] [mpp_buffer]: add mpp_buffer_info_get interface

git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@143 6e48237b-75ef-9749-8fc9-41990f28c85a
---
 inc/mpp_buffer.h   |  3 ++-
 mpp/mpp_buffer.cpp | 10 ++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/inc/mpp_buffer.h b/inc/mpp_buffer.h
index c7297246..5a5a330e 100644
--- a/inc/mpp_buffer.h
+++ b/inc/mpp_buffer.h
@@ -36,7 +36,7 @@
 /*
  * MppBuffer module has several functions:
  *
- * 1. buffer get / put / reference management / and external commit.
+ * 1. buffer get / put / reference management / external commit / get info.
  *    this part is the basic user interface for MppBuffer.
  *
  *    function:
@@ -45,6 +45,7 @@
  *    mpp_buffer_put
  *    mpp_buffer_inc_ref
  *    mpp_buffer_commit
+ *    mpp_buffer_info_get
  *
  * 2. user buffer working flow control abstraction.
  *    buffer should attach to certain group, and buffer mode control the buffer usage flow.
diff --git a/mpp/mpp_buffer.cpp b/mpp/mpp_buffer.cpp
index 240d9639..27b40ae3 100644
--- a/mpp/mpp_buffer.cpp
+++ b/mpp/mpp_buffer.cpp
@@ -86,6 +86,16 @@ MPP_RET mpp_buffer_inc_ref(MppBuffer buffer)
     return mpp_buffer_ref_inc((MppBufferImpl*)buffer);
 }
 
+MPP_RET mpp_buffer_info_get(MppBuffer buffer, MppBufferInfo *info)
+{
+    if (NULL == buffer || NULL == info) {
+        mpp_err("mpp_buffer_put invalid input: buffer %p info %p\n", buffer, info);
+        return MPP_ERR_UNKNOW;
+    }
+
+    *info = ((MppBufferImpl*)buffer)->info;
+    return MPP_OK;
+}
 
 MPP_RET mpp_buffer_group_get(const char *tag, MppBufferMode mode,
                              MppBufferGroup *group, MppBufferType type)