fix mem leak for delete[] SharedPtrMessage array, explicit free elems. remove srs_freepa. 0.9.95

@@ -50,7 +50,7 @@ void SrsCodecBuffer::append(void* data, int len)
 void SrsCodecBuffer::free()
 {
     size = 0;
-    srs_freepa(bytes);
+    srs_freep(bytes);
 }
 
 SrsCodecSample::SrsCodecSample()
@@ -125,12 +125,12 @@ SrsCodec::SrsCodec()
 
 SrsCodec::~SrsCodec()
 {
-    srs_freepa(avc_extra_data);
-    srs_freepa(aac_extra_data);
+    srs_freep(avc_extra_data);
+    srs_freep(aac_extra_data);
 
     srs_freep(stream);
-    srs_freepa(sequenceParameterSetNALUnit);
-    srs_freepa(pictureParameterSetNALUnit);
+    srs_freep(sequenceParameterSetNALUnit);
+    srs_freep(pictureParameterSetNALUnit);
 }
 
 int SrsCodec::audio_aac_demux(int8_t* data, int size, SrsCodecSample* sample)
@@ -207,7 +207,7 @@ int SrsCodec::audio_aac_demux(int8_t* data, int size, SrsCodecSample* sample)
         // 1.6.2.1 AudioSpecificConfig, in aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 33.
         aac_extra_size = stream->left();
         if (aac_extra_size > 0) {
-            srs_freepa(aac_extra_data);
+            srs_freep(aac_extra_data);
             aac_extra_data = new char[aac_extra_size];
             memcpy(aac_extra_data, stream->current(), aac_extra_size);
         }
@@ -321,7 +321,7 @@ int SrsCodec::video_avc_demux(int8_t* data, int size, SrsCodecSample* sample)
         // 5.2.4.1.1 Syntax, H.264-AVC-ISO_IEC_14496-15.pdf, page 16
         avc_extra_size = stream->left();
         if (avc_extra_size > 0) {
-            srs_freepa(avc_extra_data);
+            srs_freep(avc_extra_data);
             avc_extra_data = new char[avc_extra_size];
             memcpy(avc_extra_data, stream->current(), avc_extra_size);
         }
@@ -366,7 +366,7 @@ int SrsCodec::video_avc_demux(int8_t* data, int size, SrsCodecSample* sample)
             return ret;
         }
         if (sequenceParameterSetLength > 0) {
-            srs_freepa(sequenceParameterSetNALUnit);
+            srs_freep(sequenceParameterSetNALUnit);
             sequenceParameterSetNALUnit = new char[sequenceParameterSetLength];
             memcpy(sequenceParameterSetNALUnit, stream->current(), sequenceParameterSetLength);
             stream->skip(sequenceParameterSetLength);
@@ -396,7 +396,7 @@ int SrsCodec::video_avc_demux(int8_t* data, int size, SrsCodecSample* sample)
             return ret;
         }
         if (pictureParameterSetLength > 0) {
-            srs_freepa(pictureParameterSetNALUnit);
+            srs_freep(pictureParameterSetNALUnit);
             pictureParameterSetNALUnit = new char[pictureParameterSetLength];
             memcpy(pictureParameterSetNALUnit, stream->current(), pictureParameterSetLength);
             stream->skip(pictureParameterSetLength);

@@ -93,7 +93,7 @@ SrsFileBuffer::SrsFileBuffer()
 
 SrsFileBuffer::~SrsFileBuffer()
 {
-    srs_freepa(start);
+    srs_freep(start);
 }
 
 int SrsFileBuffer::fullfill(const char* filename)
@@ -117,7 +117,7 @@ int SrsFileBuffer::fullfill(const char* filename)
         goto finish;
     }
 
-    srs_freepa(start);
+    srs_freep(start);
     pos = last = start = new char[filesize];
     end = start + filesize;
     
@@ -407,15 +407,15 @@ int SrsConfDirective::read_token(SrsFileBuffer* buffer, vector<string>& args)
             
             if (found) {
                 int len = buffer->pos - pstart;
-                char* word = new char[len];
-                memcpy(word, pstart, len);
-                word[len - 1] = 0;
+                char* aword = new char[len];
+                memcpy(aword, pstart, len);
+                aword[len - 1] = 0;
                 
-                string word_str = word;
+                string word_str = aword;
                 if (!word_str.empty()) {
                     args.push_back(word_str);
                 }
-                srs_freepa(word);
+                srs_freep(aword);
                 
                 if (ch == ';') {
                     return ERROR_SYSTEM_CONFIG_DIRECTIVE;

@@ -87,7 +87,7 @@ void SrsConnection::stop()
 {
     srs_close_stfd(stfd);
     srs_freep(pthread);
-    srs_freepa(ip);
+    srs_freep(ip);
 }
 
 int SrsConnection::get_peer_ip()

@@ -474,19 +474,32 @@ int SrsEdgeForwarder::cycle()
             srs_verbose("no packets to forward.");
             continue;
         }
-        SrsAutoFree(SrsSharedPtrMessage*, msgs, true);
     
-        // all msgs to forward.
+        // all msgs to forward to origin.
+        // @remark, becareful, all msgs must be free explicitly,
+        //      free by send_and_free_message or srs_freep.
         for (int i = 0; i < count; i++) {
             SrsSharedPtrMessage* msg = msgs[i];
             
             srs_assert(msg);
             msgs[i] = NULL;
             
+            // never use free msgs array, for it will memory leak.
+            // if error, directly free msgs.
+            if (ret != ERROR_SUCCESS) {
+                srs_freep(msg);
+                continue;
+            }
+            
             if ((ret = client->send_and_free_message(msg)) != ERROR_SUCCESS) {
                 srs_error("edge publish forwarder send message to server failed. ret=%d", ret);
-                return ret;
+                break;
+            }
         }
+        // free the array itself.
+        srs_freep(msgs);
+        if (ret != ERROR_SUCCESS) {
+            return ret;
         }
     }
     

@@ -360,7 +360,7 @@ int SrsFFMPEG::start()
         }
         srs_trace("start transcoder, log: %s, params: %s", 
             log_file.c_str(), pparam);
-        srs_freepa(pparam);
+        srs_freep(pparam);
     }
     
     // TODO: fork or vfork?

@@ -352,19 +352,32 @@ int SrsForwarder::forward()
             srs_verbose("no packets to forward.");
             continue;
         }
-        SrsAutoFree(SrsSharedPtrMessage*, msgs, true);
     
         // all msgs to forward.
+        // @remark, becareful, all msgs must be free explicitly,
+        //      free by send_and_free_message or srs_freep.
         for (int i = 0; i < count; i++) {
             SrsSharedPtrMessage* msg = msgs[i];
             
             srs_assert(msg);
             msgs[i] = NULL;
             
+            // never use free msgs array, for it will memory leak.
+            // if error, directly free msgs.
+            if (ret != ERROR_SUCCESS) {
+                srs_freep(msg);
+                continue;
+            }
+            
             if ((ret = client->send_and_free_message(msg)) != ERROR_SUCCESS) {
                 srs_error("forwarder send message to server failed. ret=%d", ret);
-                return ret;
+                break;
+            }
         }
+        // free the array itself.
+        srs_freep(msgs);
+        if (ret != ERROR_SUCCESS) {
+            return ret;
         }
     }
     

@@ -523,7 +523,7 @@ SrsHttpMessage::~SrsHttpMessage()
     srs_freep(_body);
     srs_freep(_uri);
     srs_freep(_match);
-    srs_freepa(_http_ts_send_buffer);
+    srs_freep(_http_ts_send_buffer);
 }
 
 char* SrsHttpMessage::http_ts_send_buffer()

@@ -72,7 +72,7 @@ SrsFastLog::SrsFastLog()
 
 SrsFastLog::~SrsFastLog()
 {
-    srs_freepa(log_data);
+    srs_freep(log_data);
 
     if (fd > 0) {
         ::close(fd);

@@ -513,9 +513,10 @@ int SrsRtmpConn::playing(SrsSource* source)
             srs_verbose("no packets in queue.");
             continue;
         }
-        SrsAutoFree(SrsSharedPtrMessage*, msgs, true);
         
         // sendout messages
+        // @remark, becareful, all msgs must be free explicitly,
+        //      free by send_and_free_message or srs_freep.
         for (int i = 0; i < count; i++) {
             SrsSharedPtrMessage* msg = msgs[i];
             
@@ -525,6 +526,13 @@ int SrsRtmpConn::playing(SrsSource* source)
             
             srs_assert(msg);
             
+            // never use free msgs array, for it will memory leak.
+            // if error, directly free msgs.
+            if (ret != ERROR_SUCCESS) {
+                srs_freep(msg);
+                continue;
+            }
+            
             // foreach msg, collect the duration.
             // @remark: never use msg when sent it, for the protocol sdk will free it.
             if (starttime < 0 || starttime > msg->header.timestamp) {
@@ -535,8 +543,13 @@ int SrsRtmpConn::playing(SrsSource* source)
             
             if ((ret = rtmp->send_and_free_message(msg)) != ERROR_SUCCESS) {
                 srs_error("send message to client failed. ret=%d", ret);
-                return ret;
+                break;
+            }
         }
+        // free the array itself.
+        srs_freep(msgs);
+        if (ret != ERROR_SUCCESS) {
+            return ret;
         }
         
         // if duration specified, and exceed it, stop play live.

@@ -844,7 +844,7 @@ int SrsSource::on_meta_data(SrsMessage* msg, SrsOnMetaDataPacket* metadata)
     char* payload = NULL;
     if ((ret = metadata->encode(size, payload)) != ERROR_SUCCESS) {
         srs_error("encode metadata error. ret=%d", ret);
-        srs_freepa(payload);
+        srs_freep(payload);
         return ret;
     }
     srs_verbose("encode metadata success.");

@@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // current release version
 #define VERSION_MAJOR "0"
 #define VERSION_MINOR "9"
-#define VERSION_REVISION "94"
+#define VERSION_REVISION "95"
 #define RTMP_SIG_SRS_VERSION VERSION_MAJOR"."VERSION_MINOR"."VERSION_REVISION
 // server info.
 #define RTMP_SIG_SRS_KEY "srs"
@@ -81,13 +81,9 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
         p = NULL; \
     } \
     (void)0
-// free the p which represents a array
-#define srs_freepa(p) \
-    if (p) { \
-        delete[] p; \
-        p = NULL; \
-    } \
-    (void)0
+// sometimes, the freepa is useless,
+// it's recomments to free each elem explicit.
+// so we remove the srs_freepa utility.
 
 // compare
 #define srs_min(a, b) (((a) < (b))? (a) : (b))

@@ -340,7 +340,7 @@ int srs_write_packet(srs_rtmp_t rtmp, int type, u_int32_t timestamp, char* data,
         
         msg = new SrsSharedPtrMessage();
         if ((ret = msg->initialize(&header, data, size)) != ERROR_SUCCESS) {
-            srs_freepa(data);
+            srs_freep(data);
             return ret;
         }
     } else if (type == SRS_RTMP_TYPE_VIDEO) {
@@ -349,7 +349,7 @@ int srs_write_packet(srs_rtmp_t rtmp, int type, u_int32_t timestamp, char* data,
         
         msg = new SrsSharedPtrMessage();
         if ((ret = msg->initialize(&header, data, size)) != ERROR_SUCCESS) {
-            srs_freepa(data);
+            srs_freep(data);
             return ret;
         }
     } else if (type == SRS_RTMP_TYPE_SCRIPT) {
@@ -358,7 +358,7 @@ int srs_write_packet(srs_rtmp_t rtmp, int type, u_int32_t timestamp, char* data,
         
         msg = new SrsSharedPtrMessage();
         if ((ret = msg->initialize(&header, data, size)) != ERROR_SUCCESS) {
-            srs_freepa(data);
+            srs_freep(data);
             return ret;
         }
     }
@@ -370,7 +370,7 @@ int srs_write_packet(srs_rtmp_t rtmp, int type, u_int32_t timestamp, char* data,
         }
     } else {
         // directly free data if not sent out.
-        srs_freepa(data);
+        srs_freep(data);
     }
     
     return ret;

@@ -336,10 +336,10 @@ namespace srs
     void srs_key_block_free(key_block* key)
     {
         if (key->random0) {
-            srs_freepa(key->random0);
+            srs_freep(key->random0);
         }
         if (key->random1) {
-            srs_freepa(key->random1);
+            srs_freep(key->random1);
         }
     }
     
@@ -427,10 +427,10 @@ namespace srs
     void srs_digest_block_free(digest_block* digest)
     {
         if (digest->random0) {
-            srs_freepa(digest->random0);
+            srs_freep(digest->random0);
         }
         if (digest->random1) {
-            srs_freepa(digest->random1);
+            srs_freep(digest->random1);
         }
     }
     

@@ -192,9 +192,9 @@ SrsHandshakeBytes::SrsHandshakeBytes()
 
 SrsHandshakeBytes::~SrsHandshakeBytes() 
 {
-    srs_freepa(c0c1);
-    srs_freepa(s0s1s2);
-    srs_freepa(c2);
+    srs_freep(c0c1);
+    srs_freep(s0s1s2);
+    srs_freep(c2);
 }
 
 int SrsHandshakeBytes::read_c0c1(ISrsProtocolReaderWriter* io)

@@ -1538,7 +1538,7 @@ SrsCommonMessage::SrsCommonMessage()
 
 SrsCommonMessage::~SrsCommonMessage()
 {
-    srs_freepa(payload);
+    srs_freep(payload);
 }
 
 SrsSharedPtrMessage::__SrsSharedPtr::__SrsSharedPtr()
@@ -1550,7 +1550,7 @@ SrsSharedPtrMessage::__SrsSharedPtr::__SrsSharedPtr()
 
 SrsSharedPtrMessage::__SrsSharedPtr::~__SrsSharedPtr()
 {
-    srs_freepa(payload);
+    srs_freep(payload);
 }
 
 SrsSharedPtrMessage::SrsSharedPtrMessage()
@@ -1678,14 +1678,14 @@ int SrsPacket::encode(int& psize, char*& ppayload)
         
         if ((ret = stream.initialize(payload, size)) != ERROR_SUCCESS) {
             srs_error("initialize the stream failed. ret=%d", ret);
-            srs_freepa(payload);
+            srs_freep(payload);
             return ret;
         }
     }
     
     if ((ret = encode_packet(&stream)) != ERROR_SUCCESS) {
         srs_error("encode the packet failed. ret=%d", ret);
-        srs_freepa(payload);
+        srs_freep(payload);
         return ret;
     }