diff -ur ../ffmpegthumbs-4.14.3-orig/ffmpegthumbnailer/moviedecoder.cpp ./ffmpegthumbnailer/moviedecoder.cpp
--- ../ffmpegthumbs-4.14.3-orig/ffmpegthumbnailer/moviedecoder.cpp	2014-08-16 06:04:31.000000000 +0900
+++ ./ffmpegthumbnailer/moviedecoder.cpp	2016-03-03 01:30:47.000000000 +0900
@@ -67,7 +67,7 @@
     }
 
     initializeVideo();
-    m_pFrame = avcodec_alloc_frame();
+    m_pFrame = av_frame_alloc();
 
     if (m_pFrame) {
         m_initialized=true;
@@ -239,7 +239,7 @@
         return false;
     }
 
-    avcodec_get_frame_defaults(m_pFrame);
+    av_frame_unref(m_pFrame);
 
     int frameFinished = 0;
 
@@ -291,7 +291,7 @@
     }
 
     int scaledWidth, scaledHeight;
-    convertAndScaleFrame(PIX_FMT_RGB24, scaledSize, maintainAspectRatio, scaledWidth, scaledHeight);
+    convertAndScaleFrame(AV_PIX_FMT_RGB24, scaledSize, maintainAspectRatio, scaledWidth, scaledHeight);
 
     videoFrame.width = scaledWidth;
     videoFrame.height = scaledHeight;
@@ -302,7 +302,7 @@
     memcpy((&(videoFrame.frameData.front())), m_pFrame->data[0], videoFrame.lineSize * videoFrame.height);
 }
 
-void MovieDecoder::convertAndScaleFrame(PixelFormat format, int scaledSize, bool maintainAspectRatio, int& scaledWidth, int& scaledHeight)
+void MovieDecoder::convertAndScaleFrame(AVPixelFormat format, int scaledSize, bool maintainAspectRatio, int& scaledWidth, int& scaledHeight)
 {
     calculateDimensions(scaledSize, maintainAspectRatio, scaledWidth, scaledHeight);
     SwsContext* scaleContext = sws_getContext(m_pVideoCodecContext->width, m_pVideoCodecContext->height,
@@ -355,9 +355,9 @@
     }
 }
 
-void MovieDecoder::createAVFrame(AVFrame** avFrame, quint8** frameBuffer, int width, int height, PixelFormat format)
+void MovieDecoder::createAVFrame(AVFrame** avFrame, quint8** frameBuffer, int width, int height, AVPixelFormat format)
 {
-    *avFrame = avcodec_alloc_frame();
+    *avFrame = av_frame_alloc();
 
     int numBytes = avpicture_get_size(format, width, height);
     *frameBuffer = reinterpret_cast<quint8*>(av_malloc(numBytes));
diff -ur ../ffmpegthumbs-4.14.3-orig/ffmpegthumbnailer/moviedecoder.h ./ffmpegthumbnailer/moviedecoder.h
--- ../ffmpegthumbs-4.14.3-orig/ffmpegthumbnailer/moviedecoder.h	2014-08-16 06:04:31.000000000 +0900
+++ ./ffmpegthumbnailer/moviedecoder.h	2016-03-03 01:24:37.000000000 +0900
@@ -52,8 +52,8 @@
 
     bool decodeVideoPacket();
     bool getVideoPacket();
-    void convertAndScaleFrame(PixelFormat format, int scaledSize, bool maintainAspectRatio, int& scaledWidth, int& scaledHeight);
-    void createAVFrame(AVFrame** avFrame, quint8** frameBuffer, int width, int height, PixelFormat format);
+    void convertAndScaleFrame(AVPixelFormat format, int scaledSize, bool maintainAspectRatio, int& scaledWidth, int& scaledHeight);
+    void createAVFrame(AVFrame** avFrame, quint8** frameBuffer, int width, int height, AVPixelFormat format);
     void calculateDimensions(int squareSize, bool maintainAspectRatio, int& destWidth, int& destHeight);
 
 private: