[mpp]: Fix compiling error on Linux

Issue: https://github.com/rockchip-linux/mpp/issues/48

Change-Id: I08bc75a4cab23d4b96c6bac3b671e50edbff55fb
Signed-off-by: Herman Chen <herman.chen@rock-chips.com>

mpp/codec/dec/dummy/dummy_dec_api.c

@@ -162,7 +162,7 @@ MPP_RET dummy_dec_prepare(void *dec, MppPacket pkt, HalDecTask *task)
     data    = mpp_packet_get_data(pkt);
     length  = mpp_packet_get_length(pkt);
     if (length > p->stream_size) {
-        mpp_realloc(p->stream, RK_U8, length);
+        p->stream = mpp_realloc(p->stream, RK_U8, length);
         mpp_packet_set_data(p->task_pkt, p->stream);
         p->stream_size = length;
     }

mpp/hal/worker/mpp_device/mpp_device.c

@@ -109,8 +109,7 @@ static RK_S32 mpp_device_get_client_type(MppDevCtx ctx, MppCtxType type, MppCodi
     RK_S32 client_type = -1;
     MppDevCtxImpl *p;
 
-    if (NULL == ctx ||
-        (type >= MPP_CTX_BUTT || type < 0) ||
+    if (NULL == ctx || type >= MPP_CTX_BUTT ||
         (coding >= MPP_VIDEO_CodingMax || coding <= MPP_VIDEO_CodingUnused)) {
         mpp_err_f("found NULL input ctx %p coding %d type %d\n", ctx, coding, type);
         return MPP_ERR_NULL_PTR;

mpp/mpp_impl.cpp

@@ -17,6 +17,8 @@
 
 #define MODULE_TAG "mpp_impl"
 
+#include <string.h>
+
 #include "mpp_mem.h"
 #include "mpp_env.h"
 #include "mpp_common.h"

osal/mpp_time.cpp

@@ -78,7 +78,7 @@ MppTimer mpp_timer_get(const char *name)
     MppTimerImpl *impl = mpp_calloc(MppTimerImpl, 1);
     if (impl) {
         impl->check = module_name;
-        snprintf(impl->name, sizeof(impl->name), name);
+        snprintf(impl->name, sizeof(impl->name), name, NULL);
     } else
         mpp_err_f("malloc failed\n");