From a14b05dea2f68458da658539c217eb71a2bdfdea Mon Sep 17 00:00:00 2001
From: ChenHengming <ChenHengming@6e48237b-75ef-9749-8fc9-41990f28c85a>
Date: Sun, 6 Sep 2015 16:29:22 +0000
Subject: [PATCH] [mpp_packet]: add reset interface

git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@215 6e48237b-75ef-9749-8fc9-41990f28c85a
---
 inc/mpp_packet.h   |  2 +-
 mpp/mpp_packet.cpp | 16 +++++++++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/inc/mpp_packet.h b/inc/mpp_packet.h
index 72006dbd..8df8818a 100644
--- a/inc/mpp_packet.h
+++ b/inc/mpp_packet.h
@@ -31,9 +31,9 @@ extern "C" {
  *
  * mpp_packet_init = mpp_packet_new + mpp_packet_set_data + mpp_packet_set_size
  */
-MPP_RET mpp_packet_new(MppPacket *packet);
 MPP_RET mpp_packet_init(MppPacket *packet, void *data, size_t size);
 MPP_RET mpp_packet_deinit(MppPacket *packet);
+MPP_RET mpp_packet_reset(MppPacket packet);
 
 
 void    mpp_packet_set_data(MppPacket packet, void *data);
diff --git a/mpp/mpp_packet.cpp b/mpp/mpp_packet.cpp
index c1dde9c5..4afe8220 100644
--- a/mpp/mpp_packet.cpp
+++ b/mpp/mpp_packet.cpp
@@ -16,6 +16,8 @@
 
 #define MODULE_TAG "mpp_packet"
 
+#include <string.h>
+
 #include "mpp_log.h"
 #include "mpp_mem.h"
 #include "mpp_packet.h"
@@ -52,7 +54,7 @@ MPP_RET mpp_packet_init(MppPacket *packet, void *data, size_t size)
 
 MPP_RET mpp_packet_deinit(MppPacket *packet)
 {
-    if (NULL == packet || NULL == packet) {
+    if (NULL == packet || NULL == *packet) {
         mpp_err_f("found NULL input\n");
         return MPP_ERR_NULL_PTR;
     }
@@ -61,6 +63,18 @@ MPP_RET mpp_packet_deinit(MppPacket *packet)
     return MPP_OK;
 }
 
+MPP_RET mpp_packet_reset(MppPacket packet)
+{
+    if (NULL == packet) {
+        mpp_err_f("found NULL input\n");
+        return MPP_ERR_NULL_PTR;
+    }
+
+    MppPacketImpl *p = (MppPacketImpl *)packet;
+    memset(p, 0, sizeof(*p));
+    return MPP_OK;
+}
+
 MPP_RET mpp_packet_set_eos(MppPacket packet)
 {
     if (NULL == packet) {