Merge pull request #866 from srcejon/dab_images

Add support for displaying images broadcast in the DAB demodulator GUI
2025-10-30 20:40:20 -04:00 · 2021-04-23 15:40:54 +02:00 · 2021-04-23 15:40:54 +02:00 · 8b5ebbd1b5
commit 8b5ebbd1b5
parent ec8cdc63f4 b72275b1d3
8 changed files with 131 additions and 29 deletions
--- a/external/CMakeLists.txt
+++ b/external/CMakeLists.txt
@ -451,27 +451,42 @@ if (ZLIB_FOUND AND FAAD_FOUND)
        set(DAB_LIBRARIES "${EXTERNAL_BUILD_LIBRARIES}/lib/libdab_lib${CMAKE_SHARED_LIBRARY_SUFFIX}" CACHE INTERNAL "")
    endif()
    if (WIN32)
-        set(PTHREADS_OPT_FOR_DAB "-DPTHREADS=${PTHREADS4W_LIBRARIES}" CACHE INTERNAL "")
-    else()
-        set(PTHREADS_OPT_FOR_DAB "" CACHE INTERNAL "")
-    endif()
-    ExternalProject_Add(dab
-            GIT_REPOSITORY https://github.com/srcejon/dab-cmdline.git
-            GIT_TAG msvc
-            PREFIX "${EXTERNAL_BUILD_LIBRARIES}/dab"
-            SOURCE_SUBDIR "library"
-            CMAKE_ARGS ${COMMON_CMAKE_ARGS}
-                    -DFFTW3F_INCLUDE_DIRS=${FFTW3F_INCLUDE_DIRS}
-                    -DFFTW3F_LIBRARIES=${FFTW3F_LIBRARIES}
-                    -DFAAD_INCLUDE_DIR=${FAAD_INCLUDE_DIR}
-                    -DFAAD_LIBRARY=${FAAD_LIBRARY}
-                    -DZLIB_INCLUDE_DIR=${ZLIB_INCLUDE_DIRS}
-                    -DZLIB_LIBRARY=${ZLIB_LIBRARIES}
-                    ${PTHREADS_OPT_FOR_DAB}
-            BUILD_BYPRODUCTS "${DAB_LIBRARIES}"
-            INSTALL_COMMAND ""
-            TEST_COMMAND ""
-            )
+        ExternalProject_Add(dab
+                GIT_REPOSITORY https://github.com/srcejon/dab-cmdline.git
+                GIT_TAG msvc
+                DEPENDS ${PTHREADS4W_DEPENDS}
+                PREFIX "${EXTERNAL_BUILD_LIBRARIES}/dab"
+                SOURCE_SUBDIR "library"
+                CMAKE_ARGS ${COMMON_CMAKE_ARGS}
+                        -DFFTW3F_INCLUDE_DIRS=${FFTW3F_INCLUDE_DIRS}
+                        -DFFTW3F_LIBRARIES=${FFTW3F_LIBRARIES}
+                        -DFAAD_INCLUDE_DIR=${FAAD_INCLUDE_DIR}
+                        -DFAAD_LIBRARY=${FAAD_LIBRARY}
+                        -DZLIB_INCLUDE_DIR=${ZLIB_INCLUDE_DIRS}
+                        -DZLIB_LIBRARY=${ZLIB_LIBRARIES}
+                        -DPTHREADS=${PTHREADS4W_LIBRARIES}
+                BUILD_BYPRODUCTS "${DAB_LIBRARIES}"
+                INSTALL_COMMAND ""
+                TEST_COMMAND ""
+                )
+    else(WIN32)
+        ExternalProject_Add(dab
+                GIT_REPOSITORY https://github.com/srcejon/dab-cmdline.git
+                GIT_TAG msvc
+                PREFIX "${EXTERNAL_BUILD_LIBRARIES}/dab"
+                SOURCE_SUBDIR "library"
+                CMAKE_ARGS ${COMMON_CMAKE_ARGS}
+                        -DFFTW3F_INCLUDE_DIRS=${FFTW3F_INCLUDE_DIRS}
+                        -DFFTW3F_LIBRARIES=${FFTW3F_LIBRARIES}
+                        -DFAAD_INCLUDE_DIR=${FAAD_INCLUDE_DIR}
+                        -DFAAD_LIBRARY=${FAAD_LIBRARY}
+                        -DZLIB_INCLUDE_DIR=${ZLIB_INCLUDE_DIRS}
+                        -DZLIB_LIBRARY=${ZLIB_LIBRARIES}
+                BUILD_BYPRODUCTS "${DAB_LIBRARIES}"
+                INSTALL_COMMAND ""
+                TEST_COMMAND ""
+                )
+    endif(WIN32)
    ExternalProject_Get_Property(dab source_dir binary_dir)
    set(DAB_FOUND ON CACHE INTERNAL "")
    set(DAB_EXTERNAL ON CACHE INTERNAL "")
--- a/plugins/channelrx/demoddab/dabdemod.cpp
+++ b/plugins/channelrx/demoddab/dabdemod.cpp
@ -48,6 +48,7 @@ MESSAGE_CLASS_DEFINITION(DABDemod::MsgDABProgramQuality, Message)
 MESSAGE_CLASS_DEFINITION(DABDemod::MsgDABFIBQuality, Message)
 MESSAGE_CLASS_DEFINITION(DABDemod::MsgDABSampleRate, Message)
 MESSAGE_CLASS_DEFINITION(DABDemod::MsgDABData, Message)
+MESSAGE_CLASS_DEFINITION(DABDemod::MsgDABMOTData, Message)
 MESSAGE_CLASS_DEFINITION(DABDemod::MsgDABReset, Message)
 MESSAGE_CLASS_DEFINITION(DABDemod::MsgDABResetService, Message)

@ -232,6 +233,16 @@ bool DABDemod::handleMessage(const Message& cmd)

        return true;
    }
+    else if (MsgDABMOTData::match(cmd))
+    {
+        MsgDABMOTData& report = (MsgDABMOTData&)cmd;
+        if (getMessageQueueToGUI())
+        {
+            getMessageQueueToGUI()->push(new MsgDABMOTData(report));
+        }
+
+        return true;
+    }
    else if (MsgDABReset::match(cmd))
    {
        MsgDABReset& report = (MsgDABReset&)cmd;
--- a/plugins/channelrx/demoddab/dabdemod.h
+++ b/plugins/channelrx/demoddab/dabdemod.h
@ -250,6 +250,29 @@ public:
        { }
    };

+    class MsgDABMOTData : public Message {
+        MESSAGE_CLASS_DECLARATION
+
+    public:
+        const QString getFilename() const { return m_filename; }
+        int getContentSubType() const { return m_contentSubType; }
+
+        static MsgDABMOTData* create(const QString& filename, int contentSubType)
+        {
+            return new MsgDABMOTData(filename, contentSubType);
+        }
+
+    private:
+        QString m_filename;
+        int m_contentSubType;
+
+        MsgDABMOTData(const QString& filename, int contentSubType) :
+            Message(),
+            m_filename(filename),
+            m_contentSubType(contentSubType)
+        { }
+    };
+
    class MsgDABReset : public Message {
        MESSAGE_CLASS_DECLARATION

--- a/plugins/channelrx/demoddab/dabdemodgui.cpp
+++ b/plugins/channelrx/demoddab/dabdemodgui.cpp
@ -180,6 +180,8 @@ void DABDemodGUI::on_programs_cellDoubleClicked(int row, int column)
    double frequencyInHz = ui->programs->item(row, PROGRAMS_COL_FREQUENCY)->data(Qt::UserRole).toDouble();
    ChannelWebAPIUtils::setCenterFrequency(m_dabDemod->getDeviceSetIndex(), frequencyInHz-m_settings.m_inputFrequencyOffset);

+    clearProgram();
+
    applySettings();
 }

@ -261,6 +263,16 @@ bool DABDemodGUI::handleMessage(const Message& message)
        ui->data->setText(report.getData());
        return true;
    }
+    else if (DABDemod::MsgDABMOTData::match(message))
+    {
+        DABDemod::MsgDABMOTData& report = (DABDemod::MsgDABMOTData&) message;
+        QPixmap pixmap(report.getFilename());
+        ui->motImage->resize(ui->motImage->width(), pixmap.height());
+        ui->motImage->setVisible(true);
+        ui->motImage->setPixmap(pixmap, pixmap.size());
+        arrangeRollups();
+        return true;
+    }

    return false;
 }
@ -452,6 +464,8 @@ DABDemodGUI::DABDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseban
    connect(&m_channelMarker, SIGNAL(highlightedByCursor()), this, SLOT(channelMarkerHighlightedByCursor()));
    connect(getInputMessageQueue(), SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));

+    ui->motImage->setVisible(false);
+
    // Resize the table using dummy data
    resizeTable();
    // Allow user to reorder columns
@ -557,11 +571,8 @@ void DABDemodGUI::enterEvent(QEvent*)
    m_channelMarker.setHighlighted(true);
 }

-void DABDemodGUI::resetService()
+void DABDemodGUI::clearProgram()
 {
-    // Reset DAB audio service, to avoid unpleasent noise when changing frequency
-    DABDemod::MsgDABResetService* message = DABDemod::MsgDABResetService::create();
-    m_dabDemod->getInputMessageQueue()->push(message);
    // Clear current program
    ui->program->setText("-");
    ui->ensemble->setText("-");
@ -571,6 +582,17 @@ void DABDemodGUI::resetService()
    ui->bitrate->setText("-");
    ui->sampleRate->setText("-");
    ui->data->setText("");
+    ui->motImage->setPixmap(QPixmap());
+    ui->motImage->setVisible(false);
+    arrangeRollups();
+}
+
+void DABDemodGUI::resetService()
+{
+    // Reset DAB audio service, to avoid unpleasent noise when changing frequency
+    DABDemod::MsgDABResetService* message = DABDemod::MsgDABResetService::create();
+    m_dabDemod->getInputMessageQueue()->push(message);
+    clearProgram();
 }

 void DABDemodGUI::on_channel_currentIndexChanged(int index)
--- a/plugins/channelrx/demoddab/dabdemodgui.h
+++ b/plugins/channelrx/demoddab/dabdemodgui.h
@ -85,6 +85,7 @@ private:
    void leaveEvent(QEvent*);
    void enterEvent(QEvent*);
    void resetService();
+    void clearProgram();
    void resizeTable();
    QAction *createCheckableItem(QString& text, int idx, bool checked);

--- a/plugins/channelrx/demoddab/dabdemodgui.ui
+++ b/plugins/channelrx/demoddab/dabdemodgui.ui
@ -825,6 +825,22 @@
      </property>
     </widget>
    </item>
+    <item>
+     <widget class="ScaledImage" name="motImage">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
+      </property>
+      <property name="text">
+       <string/>
+      </property>
+      <property name="alignment">
+       <set>Qt::AlignCenter</set>
+      </property>
+     </widget>
+    </item>
   </layout>
  </widget>
  <widget class="QWidget" name="statistics" native="true">
@ -1006,6 +1022,11 @@
   <header>gui/levelmeter.h</header>
   <container>1</container>
  </customwidget>
+  <customwidget>
+   <class>ScaledImage</class>
+   <extends>QLabel</extends>
+   <header>gui/scaledimage.h</header>
+  </customwidget>
 </customwidgets>
 <tabstops>
  <tabstop>programs</tabstop>
--- a/plugins/channelrx/demoddab/dabdemodsink.cpp
+++ b/plugins/channelrx/demoddab/dabdemodsink.cpp
@ -274,11 +274,10 @@ void programQualityHandler(int16_t frames, int16_t rs, int16_t aac, void *ctx)
    sink->programQuality(frames, rs, aac);
 }

-void motDataHandler(std::string data, int a, void *ctx)
+void motDataHandler(std::string filename, int contentsubType, void *ctx)
 {
-    (void)data;
-    (void)a;
-    (void)ctx;
+    DABDemodSink *sink = (DABDemodSink *)ctx;
+    sink->motData(filename.c_str(), contentsubType);
 }

 void DABDemodSink::systemData(bool sync, int16_t snr, int32_t freqOffset)
@ -343,6 +342,15 @@ void DABDemodSink::data(const QString& data)
    }
 }

+void DABDemodSink::motData(const QString& filename, int contentSubType)
+{
+    if (getMessageQueueToChannel())
+    {
+        DABDemod::MsgDABMOTData *msg = DABDemod::MsgDABMOTData::create(filename, contentSubType);
+        getMessageQueueToChannel()->push(msg);
+    }
+}
+
 static int16_t scale(int16_t sample, float factor)
 {
    int32_t prod = (int32_t)(((int32_t)sample) * factor);
--- a/plugins/channelrx/demoddab/dabdemodsink.h
+++ b/plugins/channelrx/demoddab/dabdemodsink.h
@ -89,6 +89,7 @@ public:
    void programQuality(int16_t frames, int16_t rs, int16_t aac);
    void fibQuality(int16_t percent);
    void data(const QString& data);
+    void motData(const QString& filename, int contentSubType);

 private:
    struct MagSqLevelsStore