Improve time critical functions in CalypFrame

examples/CMakeLists.txt

@@ -3,3 +3,4 @@
 #
 
 ADD_SUBDIRECTORY(modules)
+ADD_SUBDIRECTORY(stream)

examples/modules/CMakeLists.txt

@@ -2,7 +2,7 @@
 # CMakeLists for modules_example
 #
 
-CMAKE_MINIMUM_REQUIRED(VERSION 2.8.9)
+CMAKE_MINIMUM_REQUIRED(VERSION 3.5.0)
 
 PROJECT("modules_example")
 
@@ -10,7 +10,7 @@ PROJECT("modules_example")
 INCLUDE_DIRECTORIES(../../lib)
 
 ADD_LIBRARY(FrameBinarization SHARED FrameBinarization_APIv1.cpp)
-TARGET_LINK_LIBRARIES(FrameBinarization ${CALYP_LINKER_LIBS})
+TARGET_LINK_LIBRARIES(FrameBinarization ${PROJECT_LIBRARY})
 
 ADD_LIBRARY(AbsoluteFrameDifferenceExample SHARED AbsoluteFrameDifferenceExample.cpp)
-TARGET_LINK_LIBRARIES(AbsoluteFrameDifferenceExample ${PROJECT_LIBRARY} ${CALYP_LINKER_LIBS})
+TARGET_LINK_LIBRARIES(AbsoluteFrameDifferenceExample ${PROJECT_LIBRARY})

examples/stream/CMakeLists.txt

@@ -0,0 +1,9 @@
+#
+# CMakeLists for modules_example
+#
+INCLUDE_DIRECTORIES(../../lib)
+
+ADD_DEFINITIONS(-DCALYP_TEST_DATA_DIR=\"${CALYP_TEST_DATA_DIR}\")
+
+ADD_EXECUTABLE(testStreamReading testStreamReading.cpp)
+TARGET_LINK_LIBRARIES(testStreamReading ${PROJECT_LIBRARY})

examples/stream/testStreamReading.cpp

@@ -0,0 +1,69 @@
+/*    This file is a part of Calyp project
+ *    Copyright (C) 2014-2021  by Joao Carreira   (jfmcarreira@gmail.com)
+ *
+ *                                Luis Lucas      (luisfrlucas@gmail.com)
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License along
+ *   with this program; if not, write to the Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/**
+ * \file     testStreamReading.cpp
+ * \brief    Example of open and reading from a stream
+ */
+
+#include <chrono>
+#include <iostream>
+
+#include "CalypFrame.h"
+#include "CalypStream.h"
+
+int main( int argc, char* argv[] )
+{
+  // Use auto keyword to avoid typing long
+  // type definitions to get the timepoint
+  // at this instant use function now()
+  auto start = std::chrono::high_resolution_clock::now();
+
+  double n = 0;
+  CalypStream stream;
+  //stream.open( ClpString( CALYP_TEST_DATA_DIR ) + ClpString( "/Kendo_c4_1024x768_yuv420p.yuv" ), 1024, 768, 0, 8, CLP_BIG_ENDIAN, 1, true );
+  stream.open( ClpString( CALYP_TEST_DATA_DIR ) + ClpString( "/SteamLocomotiveTrain_2560x1600_60_10bit_crop.yuv" ), 2560, 1600, 0, 10, CLP_LITTLE_ENDIAN, 1, true );
+
+  while( 1 )
+  {
+    CalypFrame* frame = stream.getCurrFrame();
+    frame->fillRGBBuffer();
+    n++;
+    if( stream.setNextFrame() )
+      break;
+    stream.readNextFrame();
+  }
+
+  // After function call
+  auto stop = std::chrono::high_resolution_clock::now();
+
+  // Subtract stop and start timepoints and
+  // cast it to required unit. Predefined units
+  // are nanoseconds, microseconds, milliseconds,
+  // seconds, minutes, hours. Use duration_cast()
+  // function.
+  auto duration = std::chrono::duration_cast<std::chrono::microseconds>( stop - start );
+
+  // To get the value of duration use the count()
+  // member function on the duration object
+  std::cout << duration.count() / 1000.0 / n << std::endl;
+
+  return 0;
+}