[base]: commit a base verison for project

base version offer a simple process from mpp decode
to drm disaply.

Signed-off-by: sliver.chen <[email protected]>

Author: sliver.chen

CMakeLists.txt

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+cmake_minimum_required(VERSION 2.8)
+
+project(mpp_linux_demo)
+
+set(CMAKE_CXX_STANDARD 11)
+
+set(SOURCE_FILES main.cpp
+        mpp/Codec.cpp
+        thread/Thread.cpp
+        rkrga/RGA.cpp
+        rkdrm/bo.c
+        rkdrm/dev.c
+        rkdrm/modeset.c)
+
+add_executable(mpp_linux_demo ${SOURCE_FILES})
+target_link_libraries(mpp_linux_demo mpp pthread drm)

README.md

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+# MPP_LINUX_C++
+a demo shows that how to use mpp on linux
+
+project architecture
+
+├── build   --build directory
+├── CMakeLists.txt      --cmake script
+├── main.cpp            --main program
+├── mpp                 --mpp abstract interface
+├── README.md           --doc
+├── res                 --res directory
+├── rkdrm               --drm interface(abount display)
+├── rkrga               --rga interface(about format and resolution conversion)
+└── thread              --thread abstract interface(use posix)
+
+## make & test
+first please modify CMakeLists.txt to specified c and c++ compiler.
+just do that
+    set(CMAKE_C_COMPILER "enter your toolchain gcc path)
+    set(CMAKE_CXX_coMPILER "enter your toolchain g++ path")
+
+cmake version >= 2.8 is required
+root:cd build
+root:make
+root:./mpp_linux_demo
+
+## how you will see
+on your device screen,you will see that local avc file
+is displayed.
+

main.cpp

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+/*
+ * linux mpp c++ performance avaluation.
+ * base in mpp & rga & sdl.
+ * cfg info writed in params[6].
+ */
+
+#include <iostream>
+#include "rkrga/RGA.h"
+#include "mpp/Codec.h"
+#include "thread/Thread.h"
+
+extern "C" {
+#include <stdlib.h>
+#include <signal.h>
+#include "rk_mpi.h"
+}
+
+#define dbg(fmt,...)\
+            do {\
+                printf(fmt,##__VA_ARGS__);\
+            } while(0)
+
+using namespace std;
+
+struct param {
+    int display;
+    int width;
+    int height;
+    string input;
+    string output;
+    MppCodingType type;
+};
+
+/*
+ * specified res file info here
+ */
+param params[1] = {
+    {1, 1920, 1080, "../res/Tennis1080p.h264", "../res/Tennis1080p.yuv", MPP_VIDEO_CodingAVC},
+};
+
+void *thread_exec(void *args) {
+    int ret = 0;
+    param *arg = (param *)args;
+    double *retRate = new double;
+
+    Codec *ctx = new Codec();
+    ret = ctx->init(arg->input.c_str(), arg->output.c_str(), arg->type,
+                    arg->width, arg->height, arg->display);
+    if (ret < 0) {
+        cout << "failed to init codec" << endl;
+        return NULL;
+    }
+
+    ret = ctx->decode();
+    if (ret <0)
+        cout << "codec decode exec failed" << endl;
+    else
+        cout << "codec decode exec success id:" << endl;
+
+    ctx->deinit();
+    delete ctx;
+
+    return NULL;
+}
+
+void stop(int signo) {
+    cout << "mpp_linux_demo exit";
+    _exit(0);
+}
+
+int main() {
+    int ret = 0;
+    signal(SIGINT, stop);
+
+    Thread *tFirst = new Thread(thread_exec, &params[0], NULL);
+    tFirst->init();
+
+    tFirst->run();
+
+    delete(tFirst);
+    return 0;
+}