jpeglib and FFmpeg updated

configure.ac

@@ -58,10 +58,26 @@ AC_ARG_ENABLE([parallel],
         ]
         )       
 
+
 #        [AC_SUBST([MPI_INCLUDES], "-I/opt/mpich/include -DPARALLEL  -I/home/joachim/download/metis-4.0/Lib -DMETIS")
 #        AC_SUBST([MPI_LIBS], "-L/home/joachim/download/metis-4.0 -lmetis -L/opt/mpich/ch-p4/lib64 -lmpich")             
 
 
+
+AC_ARG_ENABLE([jpeglib],
+        [  --enable-jpeglib        enable snapshots using jpeglib],
+        [AC_SUBST([JPEGLIB_INCLUDES], "-DJPEGLIB")
+        AC_SUBST([JPEGLIB_LIBS], "-ljpeg")
+        ]       
+        )               
+
+AC_ARG_ENABLE([ffmpeg],
+        [  --enable-ffmpeg         enable video recording with FFmpeg, uses libavcodec],
+        [AC_SUBST([FFMPEG_INCLUDES], "-DFFMPEG")
+        AC_SUBST([FFMPEG_LIBS], "-lavutil -lavformat -lavcodec -lavutil -lswscale -lz -lbz2")
+        ]       
+        )               
+
 # AC_HEADER_STDC
 AC_CONFIG_HEADERS(config.h)
 

ng/Makefile.am

@@ -1,6 +1,6 @@
 include_HEADERS = 
 
-AM_CPPFLAGS = -I$(top_srcdir)/libsrc/include -I$(top_srcdir)/libsrc/interface -DOPENGL  -D$(TOGL_WINDOWINGSYSTEM) $(OCCFLAGS)  $(TCL_INCLUDES) $(MPI_INCLUDES) 
+AM_CPPFLAGS = -I$(top_srcdir)/libsrc/include -I$(top_srcdir)/libsrc/interface -DOPENGL  -D$(TOGL_WINDOWINGSYSTEM) $(OCCFLAGS)  $(TCL_INCLUDES) $(MPI_INCLUDES) $(FFMPEG_INCLUDES) $(JPEGLIB_INCLUDES)
 
 bin_PROGRAMS = netgen
 netgen_SOURCES = demoview.cpp ngappinit.cpp ngpkg.cpp onetcl.cpp nginterface.cpp nginterface_v2.cpp parallelfunc.cpp parallelinterface.cpp demoview.hpp parallelfunc.hpp togl_1_7.h
@@ -16,7 +16,7 @@ netgen_LDADD = $(top_builddir)/libsrc/visualization/libvisual.a \
 	$(top_builddir)/libsrc/gprim/libgprim.la \
 	$(top_builddir)/libsrc/linalg/libla.la \
 	$(top_builddir)/libsrc/general/libgeneral.la \
-	$(OCCLIBS) -L$(TK_BIN_DIR)/Togl1.7 $(TOGLLIBDIR) -lTogl1.7 $(LIBGLU) $(TK_LIB_SPEC) $(TCL_LIB_SPEC) $(MPI_LIBS) $(PKG_LIBS) 
+	$(OCCLIBS) -L$(TK_BIN_DIR)/Togl1.7 $(TOGLLIBDIR) -lTogl1.7 $(LIBGLU) $(TK_LIB_SPEC) $(TCL_LIB_SPEC) $(MPI_LIBS) $(FFMPEG_LIBS) $(JPEGLIB_LIBS) $(PKG_LIBS) 
 
 
 #

ng/ngpkg.cpp

@@ -57,10 +57,15 @@ namespace netgen
 #endif
 
 
-#ifdef VIDEOCLIP
+#ifdef JPEGLIB
 #include <jpeglib.h>
+#endif
+
+#ifdef FFMPEG
 extern "C" {
 #include <ffmpeg/avcodec.h>
+#include <ffmpeg/avformat.h>
+#include <ffmpeg/swscale.h>
 }
 #endif
 
@@ -3335,7 +3340,7 @@ namespace netgen
 
 #if TOGL_MAJOR_VERSION==1
 
-#ifndef VIDEOCLIP
+#ifndef JPEGLIB
   static int Ng_SnapShot (struct Togl * togl,
                           int argc, tcl_const char *argv[])
   {
@@ -3459,12 +3464,16 @@ namespace netgen
 #endif
 
 
-#ifdef VIDEOCLIP
-  // VIDEO CLIP:
 
-#define INBUF_SIZE 4096
+
+
+#ifdef FFMPEG
+  
 #define STATE_READY 0
 #define STATE_STARTED 1
+
+
+#define INBUF_SIZE 4096
 #define DEFAULT_B_FRAMES 3
   // #define DEFAULT_B_FRAMES 0
 #define DEFAULT_GOP_SIZE 200
@@ -3474,7 +3483,6 @@ namespace netgen
   // #define DEFAULT_MPG_BUFSIZE 500000
 #define DEFAULT_MPG_BUFSIZE 500000
 
-
   typedef struct buffer_s {
     uint8_t *MPG;
     uint8_t *YUV;
@@ -3504,6 +3512,8 @@ namespace netgen
     cout << " size=" << bytes << " PSNR(Y)=" << Ypsnr << " dB q=" << (float)quality << endl;
   }
 
+
+
   static int Ng_VideoClip (struct Togl * togl,
                            int argc, tcl_const char *argv[])
   {
@@ -3523,6 +3533,7 @@ namespace netgen
     static CodecID codec_id = CODEC_ID_MPEG1VIDEO;
     static FILE *MPGfile;
     static buffer_t buff;
+    static struct SwsContext *img_convert_ctx;
 
 
     if (strcmp (argv[2], "init") == 0)
@@ -3534,6 +3545,8 @@ namespace netgen
           return TCL_ERROR;
         }
 
+
+
         // Open output file:
         //-------------------
         const char * filename = argv[3];
@@ -3560,8 +3573,7 @@ namespace netgen
         // Initialize libavcodec:
         //-----------------------
         if( !initialized ) {
-          avcodec_init();
+          av_register_all();
-          avcodec_register_all();
           initialized = 1;
         }
 
@@ -3622,6 +3634,8 @@ namespace netgen
         return TCL_OK;
       }
 
+
+
     else if (strcmp (argv[2], "addframe") == 0)
       {
         // Can't compress if status != started:
@@ -3647,8 +3661,19 @@ namespace netgen
 
         // Convert to YUV:
         //----------------
-        img_convert( (AVPicture*)YUVpicture, PIX_FMT_YUV420P,
+        if( img_convert_ctx == NULL )
-                     (AVPicture*)RGBpicture, PIX_FMT_RGB24, nx, ny );
+          img_convert_ctx = sws_getContext( nx, ny, PIX_FMT_RGB24,
+                                            nx, ny, PIX_FMT_YUV420P,
+                                            SWS_BICUBIC, NULL, NULL, NULL );
+        
+        if( img_convert_ctx == NULL ) {
+          cout << "can't initialize scaler context" << endl;
+          return TCL_ERROR;
+        }
+        
+        sws_scale( img_convert_ctx, RGBpicture->data, RGBpicture->linesize,
+                   0, ny, YUVpicture->data, YUVpicture->linesize );
+
 
         // Encode frame:
         //--------------
@@ -3662,6 +3687,7 @@ namespace netgen
       }
 
 
+
     else if (strcmp (argv[2], "finalize") == 0)
       {
         // Can't stop if status != started:
@@ -3703,9 +3729,9 @@ namespace netgen
         cout <<  "finalized" << endl;
 
         return TCL_OK;
+      }
+  }
 
-      }
-  }
 
 
 #else