Text based speech recognition: propose to show log on failure

data/scripts/checkVosk.py

+import sys
+import subprocess
+import pkg_resources
+
+required = {'vosk', 'srt'}
+installed = {pkg.key for pkg in pkg_resources.working_set}
+missing = required - installed
+
+if missing and len(sys.argv) > 1 :
+    print ("Installing missing pachages: ", missing)
+    python = sys.executable
+    subprocess.check_call([python, '-m', 'pip', 'install', *missing], stdout=subprocess.DEVNULL)

src/dialogs/textbasededit.cpp

@@ -35,6 +35,7 @@
 #include <QEvent>
 #include <QKeyEvent>
 #include <QToolButton>
+#include <KMessageBox>
 
 TextBasedEdit::TextBasedEdit(QWidget *parent)
     : QWidget(parent)
@@ -105,6 +106,11 @@ TextBasedEdit::TextBasedEdit(QWidget *parent)
     });
     info_message->hide();
     
+    m_logAction = new QAction(i18n("Show log"), this);
+    connect(m_logAction, &QAction::triggered, [this]() {
+        KMessageBox::sorry(this, m_errorString, i18n("Detailed log"));
+    });
+
     speech_zone->setChecked(KdenliveSettings::speech_zone());
     connect(speech_zone, &QCheckBox::stateChanged, [this](int state) {
         KdenliveSettings::setSpeech_zone(state == Qt::Checked);
@@ -197,6 +203,8 @@ TextBasedEdit::TextBasedEdit(QWidget *parent)
 void TextBasedEdit::startRecognition()
 {
     info_message->hide();
+    m_errorString.clear();
+    info_message->removeAction(m_logAction);
     QString pyExec = QStandardPaths::findExecutable(QStringLiteral("python3"));
     if (pyExec.isEmpty()) {
         info_message->setMessageType(KMessageWidget::Warning);
@@ -275,7 +283,8 @@ void TextBasedEdit::startRecognition()
     info_message->setText(i18n("Starting speech recognition on %1.", clipName));
     info_message->animatedShow();
     qApp->processEvents();
-    //m_speechJob->setProcessChannelMode(QProcess::MergedChannels);
+
+    connect(m_speechJob.get(), &QProcess::readyReadStandardError, this, &TextBasedEdit::slotProcessSpeechError);
     connect(m_speechJob.get(), &QProcess::readyReadStandardOutput, this, &TextBasedEdit::slotProcessSpeech);
     connect(m_speechJob.get(), static_cast<void (QProcess::*)(int, QProcess::ExitStatus)>(&QProcess::finished), this, &TextBasedEdit::slotProcessSpeechStatus);
     listWidget->clear();
@@ -297,6 +306,16 @@ void TextBasedEdit::slotProcessSpeechStatus(int, QProcess::ExitStatus status)
     if (status == QProcess::CrashExit) {
         info_message->setMessageType(KMessageWidget::Warning);
         info_message->setText(i18n("Speech recognition aborted."));
+        if (!m_errorString.isEmpty()) {
+            info_message->addAction(m_logAction);
+        }
+        info_message->animatedShow();
+    } else if (listWidget->count() == 0) {
+        info_message->setMessageType(KMessageWidget::Information);
+        info_message->setText(i18n("No speech detected."));
+        if (!m_errorString.isEmpty()) {
+            info_message->addAction(m_logAction);
+        }
         info_message->animatedShow();
     } else {
         info_message->setMessageType(KMessageWidget::Positive);
@@ -306,6 +325,11 @@ void TextBasedEdit::slotProcessSpeechStatus(int, QProcess::ExitStatus status)
     frame_progress->setVisible(false);
 }
 
+void TextBasedEdit::slotProcessSpeechError()
+{
+    m_errorString.append(QString::fromUtf8(m_speechJob->readAllStandardError()));
+}
+
 void TextBasedEdit::slotProcessSpeech()
 {
     QString saveData = QString::fromUtf8(m_speechJob->readAllStandardOutput());

src/dialogs/textbasededit.h

@@ -26,6 +26,7 @@
 #include "definitions.h"
 
 #include <QProcess>
+#include <QAction>
 
 
 
@@ -46,6 +47,7 @@ public:
 private slots:
     void startRecognition();
     void slotProcessSpeech();
+    void slotProcessSpeechError();
     void parseVoskDictionaries();
     void slotProcessSpeechStatus(int, QProcess::ExitStatus status);
     void updateAvailability();
@@ -57,6 +59,8 @@ private:
     double m_clipDuration;
     double m_offset;
     int m_lastPosition;
+    QString m_errorString;
+    QAction *m_logAction;
 };
 
 #endif