Fixed a bug where RT would crash sometimes after writing output file in batch queue. Plus small improvements to JPG thumbnails. Some little cleanups.

rtengine/rtthumbnail.cc

@@ -336,7 +336,7 @@ IImage8* Thumbnail::processImage (const procparams::ProcParams& params, int rhei
                 baseImg->b[i][j] = CLIP(val);
         }
 
-    // appy highlight recovery, if needed
+    // apply highlight recovery, if needed
     if (isRaw && params.hlrecovery.enabled) {
         int maxval = 65535 / defGain;
         if (params.hlrecovery.method=="Luminance" || params.hlrecovery.method=="Color") 
@@ -623,6 +623,7 @@ void Thumbnail::transformPixel (int x, int y, int tran, int& tx, int& ty) {
     ty/=scale;
 }
 
+// format: 1=8bit direct, 2=16bit direct, 3=JPG
 bool Thumbnail::writeImage (const Glib::ustring& fname, int format) {
 
     if (!thumbImg)
@@ -689,6 +690,14 @@ bool Thumbnail::writeImage (const Glib::ustring& fname, int format) {
 	        cinfo.input_components = 3;
 	        jpeg_set_defaults (&cinfo);
             cinfo.write_JFIF_header = FALSE;
+			
+            // compute optimal Huffman coding tables for the image. Bit slower to generate, but size of result image is a bit less (default was FALSE)
+            cinfo.optimize_coding = TRUE;
+
+            // Since math coprocessors are common these days, FLOAT should be a bit more accurate AND fast (default is ISLOW)
+            // (machine dependency is not really an issue, since we all run on x86 and having exactly the same file is not a requirement)
+            cinfo.dct_method = JDCT_FLOAT;
+
             jpeg_set_quality (&cinfo, 85, true);
         	jpeg_start_compress(&cinfo, TRUE);
             int rowlen = thumbImg->width*3;

rtgui/batchqueue.cc

@@ -195,7 +195,7 @@ rtengine::ProcessingJob* BatchQueue::imageReady (rtengine::IImage16* img) {
         fname = autoCompleteFileName (removeExtension(processing->outFileName), getExtension(processing->outFileName));
         saveFormat = processing->saveFormat;
     }
-    printf ("fname=%s, %s\n", fname.c_str(), removeExtension(fname).c_str());
+    //printf ("fname=%s, %s\n", fname.c_str(), removeExtension(fname).c_str());
     if (img && fname!="") {
         int err = 0;
         if (saveFormat.format=="tif")
@@ -205,14 +205,16 @@ rtengine::ProcessingJob* BatchQueue::imageReady (rtengine::IImage16* img) {
         else if (saveFormat.format=="jpg")
             err = img->saveAsJPEG (fname, saveFormat.jpegQuality);
         img->free ();
-        if (!err && saveFormat.saveParams)
+
+		if (err) throw "Unable to save output file";
+
+        if (saveFormat.saveParams) {
 			// We keep the extension to avoid overwriting the profile when we have
 			// the same output filename with different extension
             //processing->params.save (removeExtension(fname) + paramFileExtension);
             processing->params.save (fname + paramFileExtension);
-        else {
-        	printf("Unable to process or save %s\n", fname.c_str());
         }
+
         if (processing->thumbnail) {
             processing->thumbnail->imageDeveloped ();
             processing->thumbnail->imageRemovedFromQueue ();

rtgui/cachemanager.cc

@@ -98,9 +98,9 @@ Thumbnail* CacheManager::getEntry (const Glib::ustring& fname) {
         }
         delete cfs;
     }
+
 	// if not, create a new one
     if (!res) {
-
         res = new Thumbnail (this, fname, md5);
         if (!res->isSupported ()) {
             delete res;
@@ -241,15 +241,9 @@ void CacheManager::clearThumbImages () {
     deleteDir ("images");
     deleteDir ("aehistograms");
     deleteDir ("embprofiles");
-    
-    // re-generate thumbnail images of open thumbnails
-    //string_thumb_map::iterator i;
-    //for (i=openEntries.begin(); i!=openEntries.end(); i++)
-    //    i->second->generateThumbnailImage ();
 }
 
 void CacheManager::clearProfiles () {
-
     Glib::Mutex::Lock lock(mutex_);
 
     deleteDir ("profiles");

rtgui/thumbnail.cc

@@ -131,13 +131,7 @@ void Thumbnail::_generateThumbnailImage () {
 	generateExifDateTimeStrings ();
 }
 
-void Thumbnail::generateThumbnailImage () {
-	Glib::Mutex::Lock lock(mutex);
-	_generateThumbnailImage();
-}
-
 bool Thumbnail::isSupported () {
-
     return cfs.supported;
 }
 

rtgui/thumbnail.h

@@ -98,8 +98,6 @@ class Thumbnail {
         void            getThumbnailSize        (int &w, int &h);
         void            getFinalSize            (const rtengine::procparams::ProcParams& pparams, int& w, int& h) { if (tpp) tpp->getFinalSize (pparams, w, h); }
 
-        void            generateThumbnailImage ();
-
         const Glib::ustring&  getExifString ();
         const Glib::ustring&  getDateTimeString ();
         void                  getCamWB (double& temp, double& green) { if (tpp) tpp->getCamWB (temp, green); }