introduced frame catcher to channels, add framecatcher in Retroshare.pro to build it in

(only works for linux at the moment)

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@3821 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/RetroShare.pro

@@ -1,4 +1,4 @@
-CONFIG += qt gui uic qrc resources uitools idle bitdht # blogs
+CONFIG += qt gui uic qrc resources uitools idle bitdht # framecatcher# blogs
 QT     += network xml script opengl
 
 TEMPLATE = app
@@ -669,6 +669,20 @@ SOURCES += idle/idle.cpp \
 	   idle/idle_platform.cpp 
 }
 
+framecatcher {
+
+HEADERS += util/framecatcher.h
+
+SOURCES += util/framecatcher.cpp
+
+LIBS += -lxine
+
+DEFINES *= CHANNELS_FRAME_CATCHER
+
+}
+	
+	
+
 minimal {
         SOURCES = main.cpp \
                   rshare.cpp \

retroshare-gui/src/gui/channels/CreateChannelMsg.cpp

@@ -37,7 +37,7 @@
 
 /** Constructor */
 CreateChannelMsg::CreateChannelMsg(std::string cId)
-: QDialog (NULL), mChannelId(cId) ,mCheckAttachment(true)
+: QDialog (NULL), mChannelId(cId) ,mCheckAttachment(true), mAutoMediaThumbNail(false)
 {
 	/* Invoke the Qt Designer generated object setup routine */
 	setupUi(this);
@@ -50,7 +50,10 @@ CreateChannelMsg::CreateChannelMsg(std::string cId)
 	connect(addFileButton, SIGNAL(clicked() ), this , SLOT(addExtraFile()));
 	connect(addfilepushButton, SIGNAL(clicked() ), this , SLOT(addExtraFile()));	
 	connect(addThumbnailButton, SIGNAL(clicked() ), this , SLOT(addThumbnail()));
-	
+	connect(thumbNailCb, SIGNAL(toggled(bool)), this, SLOT(allowAutoMediaThumbNail(bool)));
+#ifdef CHANNELS_FRAME_CATCHER
+	fCatcher = new framecatcher();
+#endif
     //buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
 
 	setAcceptDrops(true);
@@ -58,6 +61,14 @@ CreateChannelMsg::CreateChannelMsg(std::string cId)
 	newChannelMsg();
 }
 
+CreateChannelMsg::~CreateChannelMsg(){
+
+#ifdef CHANNELS_FRAME_CATCHER
+	delete fCatcher;
+#endif
+
+}
+
 /* Dropping */
 
 void CreateChannelMsg::dragEnterEvent(QDragEnterEvent *event)
@@ -299,6 +310,9 @@ void CreateChannelMsg::addAttachment(const std::string &path)
 	std::cerr << "CreateChannelMsg::addAttachment()";
 	std::cerr << std::endl;
 
+	if(mAutoMediaThumbNail)
+	setThumbNail(path, 2000);
+
 	/* add widget in for new destination */
 	uint32_t flags =  SFI_TYPE_CHANNEL | SFI_STATE_EXTRA;
 
@@ -343,6 +357,59 @@ void CreateChannelMsg::addAttachment(const std::string &path)
 
 }
 
+
+
+bool CreateChannelMsg::setThumbNail(const std::string& path, int frame){
+
+#ifdef CHANNELS_FRAME_CATCHER
+	unsigned char* imageBuffer = NULL;
+	int width = 0, height = 0, errCode = 0;
+	int length;
+	std::string errString;
+
+	if(1 !=  (errCode = fCatcher->open(path))){
+		fCatcher->getError(errCode, errString);
+		std::cerr << errString << std::endl;
+		return false;
+	}
+
+	length = fCatcher->getLength();
+
+	// make sure frame chosen is at lease a quarter length of video length if not choose quarter length
+	if(frame < (int) (0.25 * length))
+		frame = 0.25 * length;
+
+	if(1 != (errCode  = fCatcher->getRGBImage(frame, imageBuffer, width, height))){
+		fCatcher->getError(errCode, errString);
+		std::cerr << errString << std::endl;
+		return false;
+	}
+
+	if(imageBuffer == NULL)
+		return false;
+
+	QImage tNail(imageBuffer, width, height, QImage::Format_RGB32);
+	QByteArray ba;
+	QBuffer buffer(&ba);
+	buffer.open(QIODevice::WriteOnly);
+	tNail.save(&buffer, "PNG");
+	QPixmap img;
+	img.loadFromData(ba, "PNG");
+	img = img.scaled(thumbnail_label->width(), thumbnail_label->height(), Qt::KeepAspectRatio);
+	thumbnail_label->setPixmap(img);
+
+	delete[] imageBuffer;
+
+#endif
+
+	return true;
+}
+
+void CreateChannelMsg::allowAutoMediaThumbNail(bool allowThumbNail){
+
+	mAutoMediaThumbNail = allowThumbNail;
+}
+
 void CreateChannelMsg::checkAttachmentReady()
 {
 	std::list<SubFileItem *>::iterator fit;

retroshare-gui/src/gui/channels/CreateChannelMsg.h

@@ -25,6 +25,10 @@
 #include "ui_CreateChannelMsg.h"
 #include <stdint.h>
 
+#ifdef CHANNELS_FRAME_CATCHER
+#include "util/framecatcher.h"
+#endif
+
 class SubFileItem;
 class FileInfo;
 
@@ -35,7 +39,10 @@ class CreateChannelMsg : public QDialog, private Ui::CreateChannelMsg
 public:
   /** Default Constructor */
   CreateChannelMsg(std::string cId);
+
+
   /** Default Destructor */
+  ~CreateChannelMsg();
 
 	void addAttachment(const std::string &path);
 	void addAttachment(const std::string &hash, const std::string &fname, uint64_t size, bool local, const std::string &srcId);
@@ -56,18 +63,26 @@ private slots:
 	void sendMsg();
 	
 	void addThumbnail();
+	void allowAutoMediaThumbNail(bool);
 
 private:
 
   void parseRsFileListAttachments(const std::string &attachList);
-
   void sendMessage(std::wstring subject, std::wstring msg, std::list<FileInfo> &files);
+  bool setThumbNail(const std::string& path, int frame);
+
   
   std::string mChannelId;
 
 	std::list<SubFileItem *> mAttachments;
 
 	bool mCheckAttachment;
+    bool mAutoMediaThumbNail;
+
+#ifdef CHANNELS_FRAME_CATCHER
+    framecatcher* fCatcher;
+#endif
+
 };
 
 #endif

retroshare-gui/src/gui/channels/CreateChannelMsg.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>509</width>
-    <height>464</height>
+    <height>479</height>
    </rect>
   </property>
   <property name="acceptDrops">
@@ -97,7 +97,7 @@ p, li { white-space: pre-wrap; }
       <item row="0" column="0">
        <widget class="QTabWidget" name="tabWidget">
         <property name="currentIndex">
-         <number>0</number>
+         <number>1</number>
         </property>
         <widget class="QWidget" name="tab">
          <attribute name="title">
@@ -248,25 +248,8 @@ p, li { white-space: pre-wrap; }
          <attribute name="title">
           <string>Attachments</string>
          </attribute>
-         <layout class="QVBoxLayout" name="verticalLayout_2">
+         <layout class="QGridLayout" name="gridLayout_4">
-          <property name="spacing">
+          <item row="0" column="0">
-           <number>0</number>
-          </property>
-          <property name="margin">
-           <number>0</number>
-          </property>
-          <item>
-           <layout class="QHBoxLayout" name="horizontalLayout_3">
-            <property name="spacing">
-             <number>0</number>
-            </property>
-            <property name="leftMargin">
-             <number>6</number>
-            </property>
-            <property name="rightMargin">
-             <number>6</number>
-            </property>
-            <item>
            <widget class="QLabel" name="label_3">
             <property name="text">
              <string/>
@@ -276,7 +259,7 @@ p, li { white-space: pre-wrap; }
             </property>
            </widget>
           </item>
-            <item>
+          <item row="0" column="1">
            <widget class="QLabel" name="label_4">
             <property name="maximumSize">
              <size>
@@ -295,7 +278,7 @@ p, li { white-space: pre-wrap; }
             </property>
            </widget>
           </item>
-            <item>
+          <item row="0" column="2">
            <spacer>
             <property name="orientation">
              <enum>Qt::Horizontal</enum>
@@ -308,7 +291,7 @@ p, li { white-space: pre-wrap; }
             </property>
            </spacer>
           </item>
-            <item>
+          <item row="0" column="3">
            <widget class="QPushButton" name="addFileButton">
             <property name="sizePolicy">
              <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
@@ -337,9 +320,17 @@ p, li { white-space: pre-wrap; }
             </property>
            </widget>
           </item>
-           </layout>
+          <item row="0" column="4">
+           <widget class="QCheckBox" name="thumbNailCb">
+            <property name="toolTip">
+             <string> allow channels to get frame for message thumbnail from movie media attachments or not</string>
+            </property>
+            <property name="text">
+             <string>Auto Thumbnail</string>
+            </property>
+           </widget>
           </item>
-          <item>
+          <item row="1" column="0" colspan="5">
            <widget class="QScrollArea" name="scrollArea">
             <property name="verticalScrollBarPolicy">
              <enum>Qt::ScrollBarAlwaysOn</enum>
@@ -352,8 +343,8 @@ p, li { white-space: pre-wrap; }
               <rect>
                <x>0</x>
                <y>0</y>
-               <width>464</width>
+               <width>456</width>
-               <height>282</height>
+               <height>251</height>
               </rect>
              </property>
              <layout class="QVBoxLayout" name="verticalLayout">

retroshare-gui/src/util/framecatcher.cpp

@@ -306,7 +306,7 @@ unsigned char * framecatcher::yv12ToRgb (uint8_t *src_y, uint8_t *src_u, uint8_t
 	return rgb;
 }
 
-void framecatcher::getXineError(int errorCode, std::string& errorStr){
+void framecatcher::getError(int errorCode, std::string& errorStr){
 
 	switch (errorCode){
 		case XINE_ERROR_NO_INPUT_PLUGIN:

retroshare-gui/src/util/framecatcher.h

@@ -58,17 +58,19 @@ public:
 	 */
 	void close();
 
+	void getError(int errCode, std::string& errStr);
+
 private:
 
 	xine_t	*xine;
-	static xine_stream_t	*stream;
+	xine_stream_t	*stream;
 	xine_video_port_t	*vo_port;
 	std::string  vo_driver;
-
+	std::string codec;
 
 	int length; // length of the stream
 
-	void getXineError(int errCode, std::string& errStr);
+
 
 	void yuy2Toyv12 (uint8_t *, uint8_t *, uint8_t *, uint8_t *, int , int );
 	unsigned char * yv12ToRgb (uint8_t *, uint8_t *, uint8_t *, int , int );