From aa6daea4da0781c413f3876ab391e4b079667db7 Mon Sep 17 00:00:00 2001
From: Charles Otto <ottochar@gmail.com>
Date: Wed, 14 Jan 2015 13:52:22 -0800
Subject: [PATCH] Remove memGallery::align and associated infrastructure, no noticeable improvement in performance and allocating the flat data is not feasible for large enough galleries

---
 openbr/openbr_plugin.h     |  9 +++------
 openbr/plugins/gallery.cpp | 39 ---------------------------------------
 2 files changed, 3 insertions(+), 45 deletions(-)

diff --git a/openbr/openbr_plugin.h b/openbr/openbr_plugin.h
index 5a35bf1..437542d 100644
--- a/openbr/openbr_plugin.h
+++ b/openbr/openbr_plugin.h
@@ -447,12 +447,9 @@ BR_EXPORT QDataStream &operator>>(QDataStream &stream, Template &t);
  */
 struct TemplateList : public QList<Template>
 {
-    bool uniform; /*!< \brief Reserved for internal use. True if all templates are aligned and of the same size and type. */
-    QVector<uchar> alignedData; /*!< \brief Reserved for internal use. */
-
-    TemplateList() : uniform(false) {}
-    TemplateList(const QList<Template> &templates) : uniform(false) { append(templates); } /*!< \brief Initialize the template list from another template list. */
-    TemplateList(const QList<File> &files) : uniform(false) { foreach (const File &file, files) append(file); } /*!< \brief Initialize the template list from a file list. */
+    TemplateList() {}
+    TemplateList(const QList<Template> &templates) { append(templates); } /*!< \brief Initialize the template list from another template list. */
+    TemplateList(const QList<File> &files) { foreach (const File &file, files) append(file); } /*!< \brief Initialize the template list from a file list. */
     BR_EXPORT static TemplateList fromGallery(const File &gallery); /*!< \brief Create a template list from a br::Gallery. */
 
     /*!< \brief Create a template list from a memory buffer of individual templates. Compatible with '.gal' galleries. */
diff --git a/openbr/plugins/gallery.cpp b/openbr/plugins/gallery.cpp
index c92c306..ef09714 100644
--- a/openbr/plugins/gallery.cpp
+++ b/openbr/plugins/gallery.cpp
@@ -707,11 +707,9 @@ class MemoryGalleries : public Initializer
 
 public:
     static QHash<File, TemplateList> galleries; /*!< TODO */
-    static QHash<File, bool> aligned; /*!< TODO */
 };
 
 QHash<File, TemplateList> MemoryGalleries::galleries;
-QHash<File, bool> MemoryGalleries::aligned;
 
 BR_REGISTER(Initializer, MemoryGalleries)
 
@@ -733,19 +731,12 @@ class memGallery : public Gallery
         if ((galleryFile.suffix() == "gal") && galleryFile.exists() && !MemoryGalleries::galleries.contains(file)) {
             QSharedPointer<Gallery> gallery(Factory<Gallery>::make(galleryFile));
             MemoryGalleries::galleries[file] = gallery->read();
-            align(MemoryGalleries::galleries[file]);
-            MemoryGalleries::aligned[file] = true;
             gallerySize = MemoryGalleries::galleries[file].size();
         }
     }
 
     TemplateList readBlock(bool *done)
     {
-        if (!MemoryGalleries::aligned[file]) {
-            align(MemoryGalleries::galleries[file]);
-            MemoryGalleries::aligned[file] = true;
-        }
-
         TemplateList templates = MemoryGalleries::galleries[file].mid(block*readBlockSize, readBlockSize);
         for (qint64 i = 0; i < templates.size();i++) {
             templates[i].file.set("progress", i + block * readBlockSize);
@@ -759,36 +750,6 @@ class memGallery : public Gallery
     void write(const Template &t)
     {
         MemoryGalleries::galleries[file].append(t);
-        MemoryGalleries::aligned[file] = false;
-    }
-
-    static void align(TemplateList &templates)
-    {
-        if (!templates.empty() && templates[0].size() > 1) return;
-
-        bool uniform = true;
-        QVector<uchar> alignedData(templates.bytes<size_t>());
-        size_t offset = 0;
-        for (int i=0; i<templates.size(); i++) {
-            Template &t = templates[i];
-            if (t.size() > 1) qFatal("Can't handle multi-matrix template %s.", qPrintable(t.file.flat()));
-
-            cv::Mat &m = t;
-            if (m.data) {
-                const size_t size = m.total() * m.elemSize();
-                if (!m.isContinuous()) qFatal("Requires continuous matrix data of size %d for %s.", (int)size, qPrintable(t.file.flat()));
-                memcpy(&(alignedData.data()[offset]), m.ptr(), size);
-                m = cv::Mat(m.rows, m.cols, m.type(), &(alignedData.data()[offset]));
-                offset += size;
-            }
-            uniform = uniform &&
-                      (m.rows == templates.first().m().rows) &&
-                      (m.cols == templates.first().m().cols) &&
-                      (m.type() == templates.first().m().type());
-        }
-
-        templates.uniform = uniform;
-        templates.alignedData = alignedData;
     }
 
     qint64 totalSize()
--
libgit2 0.21.4