replace NULL with nullptr,using auto instead of concrete type

Live/src/main/cpp/AudioStream.cpp

@@ -11,7 +11,7 @@ AudioStream::~AudioStream() {
     DELETE(buffer);
     if (audioCodec) {
         faacEncClose(audioCodec);
-        audioCodec = 0;
+        audioCodec = nullptr;
     }
 }
 
@@ -48,7 +48,7 @@ RTMPPacket *AudioStream::getAudioTag() {
     u_long len;
     faacEncGetDecoderSpecificInfo(audioCodec, &buf, &len);
     int bodySize = static_cast<int>(2 + len);
-    RTMPPacket *packet = new RTMPPacket;
+    auto *packet = new RTMPPacket;
     RTMPPacket_Alloc(packet, bodySize);
     //channel layout: stereo
     packet->m_body[0] = 0xAF;
@@ -75,7 +75,7 @@ void AudioStream::encodeData(int8_t *data) {
                                 static_cast<unsigned int>(maxOutputBytes));
     if (byteLen > 0) {
         int bodySize = 2 + byteLen;
-        RTMPPacket *packet = new RTMPPacket;
+        auto *packet = new RTMPPacket;
         RTMPPacket_Alloc(packet, bodySize);
         //stereo
         packet->m_body[0] = 0xAF;

Live/src/main/cpp/RtmpPusher.cpp

@@ -11,14 +11,14 @@
     (JNIEnv *env, jobject instance, ##__VA_ARGS__)\
 
 SafeQueue<RTMPPacket *> packets;
-VideoStream *videoStream = 0;
+VideoStream *videoStream = nullptr;
 int isStart = 0;
 pthread_t pid;
 
 int readyPushing = 0;
 uint32_t start_time;
 
-AudioStream *audioStream = 0;
+AudioStream *audioStream = nullptr;
 
 //use to get thread's JNIEnv
 JavaVM *javaVM;
@@ -52,7 +52,7 @@ jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) {
 //callback error to java
 void throwErrToJava(int error_code) {
     JNIEnv *env;
-    javaVM->AttachCurrentThread(&env, NULL);
+    javaVM->AttachCurrentThread(&env, nullptr);
     jclass classErr = env->GetObjectClass(jobject_error);
     jmethodID methodErr = env->GetMethodID(classErr, "errorFromNative", "(I)V");
     env->CallVoidMethod(jobject_error, methodErr, error_code);
@@ -76,7 +76,7 @@ void releasePackets(RTMPPacket *&packet) {
 
 void *start(void *args) {
     char *url = static_cast<char *>(args);
-    RTMP *rtmp = 0;
+    RTMP *rtmp = nullptr;
     do {
         rtmp = RTMP_Alloc();
         if (!rtmp) {
@@ -92,7 +92,7 @@ void *start(void *args) {
         //timeout
         rtmp->Link.timeout = 5;
         RTMP_EnableWrite(rtmp);
-        ret = RTMP_Connect(rtmp, 0);
+        ret = RTMP_Connect(rtmp, nullptr);
         if (!ret) {
             LOGE("RTMP_Connect:%s", url);
             throwErrToJava(ERROR_RTMP_CONNECT);
@@ -110,7 +110,7 @@ void *start(void *args) {
         readyPushing = 1;
         packets.setWork(1);
         callback(audioStream->getAudioTag());
-        RTMPPacket *packet = 0;
+        RTMPPacket *packet = nullptr;
         while (readyPushing) {
             packets.pop(packet);
             if (!readyPushing) {
@@ -140,7 +140,7 @@ void *start(void *args) {
         RTMP_Free(rtmp);
     }
     delete (url);
-    return 0;
+    return nullptr;
 }
 
 RTMP_PUSHER_FUNC(void, native_1init) {
@@ -166,10 +166,10 @@ RTMP_PUSHER_FUNC(void, native_1start, jstring path_) {
         return;
     }
     isStart = 1;
-    const char *path = env->GetStringUTFChars(path_, 0);
+    const char *path = env->GetStringUTFChars(path_, nullptr);
     char *url = new char[strlen(path) + 1];
     strcpy(url, path);
-    pthread_create(&pid, 0, start, url);
+    pthread_create(&pid, nullptr, start, url);
     env->ReleaseStringUTFChars(path_, path);
 }
 
@@ -177,7 +177,7 @@ RTMP_PUSHER_FUNC(void, native_1pushVideo, jbyteArray data_) {
     if (!videoStream || !readyPushing) {
         return;
     }
-    jbyte *data = env->GetByteArrayElements(data_, NULL);
+    jbyte *data = env->GetByteArrayElements(data_, nullptr);
     videoStream->encodeData(data);
     env->ReleaseByteArrayElements(data_, data, 0);
 }
@@ -186,9 +186,9 @@ RTMP_PUSHER_FUNC(void, native_1pushVideoNew, jbyteArray y, jbyteArray u, jbyteAr
     if (!videoStream || !readyPushing) {
         return;
     }
-    jbyte *y_plane = env->GetByteArrayElements(y, NULL);
-    jbyte *u_plane = env->GetByteArrayElements(u, NULL);
-    jbyte *v_plane = env->GetByteArrayElements(v, NULL);
+    jbyte *y_plane = env->GetByteArrayElements(y, nullptr);
+    jbyte *u_plane = env->GetByteArrayElements(u, nullptr);
+    jbyte *v_plane = env->GetByteArrayElements(v, nullptr);
     videoStream->encodeDataNew(y_plane, u_plane, v_plane);
     env->ReleaseByteArrayElements(y, y_plane, 0);
     env->ReleaseByteArrayElements(u, u_plane, 0);
@@ -212,7 +212,7 @@ RTMP_PUSHER_FUNC(void, native_1pushAudio, jbyteArray data_) {
     if (!audioStream || !readyPushing) {
         return;
     }
-    jbyte *data = env->GetByteArrayElements(data_, NULL);
+    jbyte *data = env->GetByteArrayElements(data_, nullptr);
     audioStream->encodeData(data);
     env->ReleaseByteArrayElements(data_, data, 0);
 }
@@ -221,7 +221,7 @@ RTMP_PUSHER_FUNC(void, native_1stop) {
     LOGI("native stop...");
     readyPushing = 0;
     packets.setWork(0);
-    pthread_join(pid, 0);
+    pthread_join(pid, nullptr);
 }
 
 RTMP_PUSHER_FUNC(void, native_1release) {

Live/src/main/cpp/VideoStream.cpp

@@ -5,14 +5,14 @@
 #include "PushInterface.h"
 
 VideoStream::VideoStream() {
-    pthread_mutex_init(&mutex, 0);
+    pthread_mutex_init(&mutex, nullptr);
 }
 
 VideoStream::~VideoStream() {
     pthread_mutex_destroy(&mutex);
     if (videoCodec) {
         x264_encoder_close(videoCodec);
-        videoCodec = 0;
+        videoCodec = nullptr;
     }
     if (pic_in) {
         x264_picture_clean(pic_in);
@@ -30,7 +30,7 @@ void VideoStream::setVideoEncInfo(int width, int height, int fps, int bitrate) {
     uvSize = ySize / 4;
     if (videoCodec) {
         x264_encoder_close(videoCodec);
-        videoCodec = 0;
+        videoCodec = nullptr;
     }
     if (pic_in) {
         x264_picture_clean(pic_in);
@@ -147,7 +147,7 @@ void VideoStream::encodeDataNew(int8_t *y_plane, int8_t *u_plane, int8_t *v_plan
 
 void VideoStream::sendSpsPps(uint8_t *sps, uint8_t *pps, int sps_len, int pps_len) {
     int bodySize = 13 + sps_len + 3 + pps_len;
-    RTMPPacket *packet = new RTMPPacket;
+    auto *packet = new RTMPPacket;
     RTMPPacket_Alloc(packet, bodySize);
     int i = 0;
     //start code
@@ -200,7 +200,7 @@ void VideoStream::sendFrame(int type, uint8_t *payload, int i_payload) {
         payload += 3;
     }
     int bodySize = 9 + i_payload;
-    RTMPPacket *packet = new RTMPPacket;
+    auto *packet = new RTMPPacket;
     RTMPPacket_Alloc(packet, bodySize);
 
     packet->m_body[0] = 0x27;