Merge branch 'master' into nodeview-redux

app/audio/audiovisualwaveform.cpp

@@ -162,6 +162,28 @@ void AudioVisualWaveform::OverwriteSums(const AudioVisualWaveform &sums, const r
   length_ = qMax(length_, dest + length);
 }
 
+void AudioVisualWaveform::OverwriteSilence(const rational &start, const rational &length)
+{
+  for (auto it=mipmapped_data_.begin(); it!=mipmapped_data_.end(); it++) {
+    rational rate = it->first;
+
+    Sample& our_arr = it->second;
+
+    double rate_dbl = rate.toDouble();
+
+    // Get our destination sample
+    int our_start_index = time_to_samples(start, rate_dbl);
+    int our_length_index = time_to_samples(length, rate_dbl);
+    int our_end_index = our_start_index + our_length_index;
+
+    if (our_arr.size() < our_end_index) {
+      our_arr.resize(our_end_index);
+    }
+
+    memset(reinterpret_cast<char*>(our_arr.data()) + our_start_index, 0, our_length_index);
+  }
+}
+
 void AudioVisualWaveform::Shift(const rational &from, const rational &to)
 {
   for (auto it=mipmapped_data_.begin(); it!=mipmapped_data_.end(); it++) {
@@ -184,9 +206,7 @@ void AudioVisualWaveform::Shift(const rational &from, const rational &to)
       // Shifting backwards <-
       int copy_sz = data.size() - from_index;
 
-      for (int i=0; i<copy_sz; i++) {
-        data.replace(to_index + i, data.at(from_index + i));
-      }
+      memcpy(&data.data()[to_index], &data.data()[from_index], copy_sz * sizeof(SamplePerChannel));
 
       data.resize(data.size() - (from_index - to_index));
     } else {
@@ -199,9 +219,10 @@ void AudioVisualWaveform::Shift(const rational &from, const rational &to)
 
       int copy_sz = old_sz - from_index;
 
-      for (int i=0; i<copy_sz; i++) {
-        data.replace(data.size() - i - 1, data.at(old_sz - i - 1));
-      }
+      // Copy to a temporary buffer first to prevent overwriting bytes we need to copy
+      QByteArray temp(copy_sz * sizeof(SamplePerChannel), Qt::Uninitialized);
+      memcpy(temp.data(), &data.data()[from_index], temp.size());
+      memcpy(&data.data()[to_index], temp.data(), temp.size());
 
       memset(reinterpret_cast<char*>(&data[from_index]), 0, distance * sizeof(SamplePerChannel));
     }

app/audio/audiovisualwaveform.h

@@ -88,6 +88,8 @@ public:
    */
   void OverwriteSums(const AudioVisualWaveform& sums, const rational& dest, const rational& offset = 0, const rational &length = 0);
 
+  void OverwriteSilence(const rational &start, const rational &length);
+
   void Shift(const rational& from, const rational& to);
 
   Sample GetSummaryFromTime(const rational& start, const rational& length) const;

app/codec/ffmpeg/ffmpegdecoder.cpp

@@ -148,10 +148,14 @@ bool FFmpegDecoder::OpenInternal()
 
 FramePtr FFmpegDecoder::RetrieveVideoInternal(const rational &timecode, const RetrieveVideoParams &params)
 {
+  if (!InitScaler(params)) {
+    return nullptr;
+  }
+
   AVStream* s = instance_.avstream();
 
   // Retrieve frame
-  FFmpegFramePool::ElementPtr return_frame = RetrieveFrame(timecode, params);
+  FFmpegFramePool::ElementPtr return_frame = RetrieveFrame(timecode);
 
   // We found the frame, we'll return a copy
   if (return_frame) {
@@ -161,7 +165,7 @@ FramePtr FFmpegDecoder::RetrieveVideoInternal(const rational &timecode, const Re
                                        native_pix_fmt_,
                                        native_channel_count_,
                                        av_guess_sample_aspect_ratio(instance_.fmt_ctx(), s, nullptr), // May be incorrect,
-                                       VideoParams::kInterlaceNone, // May be incorrect
+                                       VideoParams::kInterlaceNone,
                                        filter_params_.divider));
     copy->set_timestamp(timecode);
     copy->allocate();
@@ -182,13 +186,9 @@ void FFmpegDecoder::CloseInternal()
   instance_.Close();
 }
 
-int FFmpegDecoder::GetFilteredFrame(AVPacket* packet, AVFrame* output_frame, const RetrieveVideoParams& params)
+int FFmpegDecoder::GetFilteredFrame(AVPacket* packet, AVFrame* output_frame)
 {
   // Ensure scaler is correct for these parameters
-  if (!InitScaler(params)) {
-    return AVERROR(EINVAL);
-  }
-
   int ret;
 
   AVFrame* working_frame = av_frame_alloc();
@@ -642,15 +642,18 @@ void FFmpegDecoder::CacheFrameToDisk(AVFrame *f)
 
 void FFmpegDecoder::ClearFrameCache()
 {
-  cached_frames_.clear();
-  cache_at_eof_ = false;
-  cache_at_zero_ = false;
+  if (!cached_frames_.isEmpty()) {
+    cached_frames_.clear();
+    cache_at_eof_ = false;
+    cache_at_zero_ = false;
 
-  // Filter graph may rely on "continuous" video frames, so we free the scaler here
-  FreeScaler();
+    // Filter graph may rely on "continuous" video frames, so we free the scaler here
+    FreeScaler();
+    InitScaler(filter_params_);
+  }
 }
 
-FFmpegFramePool::ElementPtr FFmpegDecoder::RetrieveFrame(const rational& time, const RetrieveVideoParams &params)
+FFmpegFramePool::ElementPtr FFmpegDecoder::RetrieveFrame(const rational& time)
 {
   int64_t target_ts = GetTimeInTimebaseUnits(time, instance_.avstream()->time_base, instance_.avstream()->start_time);
 
@@ -658,7 +661,7 @@ FFmpegFramePool::ElementPtr FFmpegDecoder::RetrieveFrame(const rational& time, c
   int64_t seek_ts = target_ts;
   bool still_seeking = false;
 
-  if (params.src_interlacing != VideoParams::kInterlaceNone) {
+  if (filter_params_.src_interlacing != VideoParams::kInterlaceNone) {
     // If we are de-interlacing, the timebase is doubled because we get one frame per field, so we
     // double the target timestamp too
     target_ts *= 2;
@@ -696,7 +699,7 @@ FFmpegFramePool::ElementPtr FFmpegDecoder::RetrieveFrame(const rational& time, c
 
     // Pull from the decoder
     av_frame_unref(working_frame);
-    ret = GetFilteredFrame(pkt, working_frame, params);
+    ret = GetFilteredFrame(pkt, working_frame);
 
     // Handle any errors that aren't EOF (EOF is handled later on)
     if (ret < 0 && ret != AVERROR_EOF) {

app/codec/ffmpeg/ffmpegdecoder.h

@@ -112,7 +112,7 @@ private:
 
   };
 
-  int GetFilteredFrame(AVPacket *packet, AVFrame *frame, const RetrieveVideoParams &params);
+  int GetFilteredFrame(AVPacket *packet, AVFrame *frame);
 
   /**
    * @brief Handle an FFmpeg error code
@@ -138,7 +138,7 @@ private:
 
   void ClearFrameCache();
 
-  FFmpegFramePool::ElementPtr RetrieveFrame(const rational &time, const RetrieveVideoParams &params);
+  FFmpegFramePool::ElementPtr RetrieveFrame(const rational &time);
 
   void RemoveFirstFrame();
 

app/dialog/export/exportsubtitlestab.h

@@ -30,6 +30,7 @@ namespace olive {
 
 class ExportSubtitlesTab : public QWidget
 {
+  Q_OBJECT
 public:
   ExportSubtitlesTab(QWidget *parent = nullptr);
 

app/node/math/math/mathbase.cpp

@@ -47,14 +47,14 @@ ShaderCode MathNodeBase::GetShaderCodeInternal(const QString &shader_id, const Q
     const QString& mat_in = (type_a == NodeValue::kTexture) ? param_b_in : param_a_in;
 
     // No-op frag shader (can we return QString() instead?)
-    operation = QStringLiteral("texture(%1, ove_texcoord)").arg(tex_in);
+    operation = QStringLiteral("texture2D(%1, ove_texcoord)").arg(tex_in);
 
     vert = QStringLiteral("uniform mat4 %1;\n"
                           "\n"
-                          "in vec4 a_position;\n"
-                          "in vec2 a_texcoord;\n"
+                          "attribute vec4 a_position;\n"
+                          "attribute vec2 a_texcoord;\n"
                           "\n"
-                          "out vec2 ove_texcoord;\n"
+                          "varying vec2 ove_texcoord;\n"
                           "\n"
                           "void main() {\n"
                           "    gl_Position = %1 * a_position;\n"
@@ -96,12 +96,10 @@ ShaderCode MathNodeBase::GetShaderCodeInternal(const QString &shader_id, const Q
   frag = QStringLiteral("uniform %1 %3;\n"
                         "uniform %2 %4;\n"
                         "\n"
-                        "in vec2 ove_texcoord;\n"
-                        "\n"
-                        "out vec4 fragColor;\n"
+                        "varying vec2 ove_texcoord;\n"
                         "\n"
                         "void main(void) {\n"
-                        "    fragColor = %5;\n"
+                        "    gl_FragColor = %5;\n"
                         "}\n").arg(GetShaderUniformType(type_a),
                                    GetShaderUniformType(type_b),
                                    param_a_in,
@@ -128,7 +126,7 @@ QString MathNodeBase::GetShaderUniformType(const olive::NodeValue::Type &type)
 QString MathNodeBase::GetShaderVariableCall(const QString &input_id, const NodeValue::Type &type, const QString& coord_op)
 {
   if (type == NodeValue::kTexture) {
-    return QStringLiteral("texture(%1, ove_texcoord%2)").arg(input_id, coord_op);
+    return QStringLiteral("texture2D(%1, ove_texcoord%2)").arg(input_id, coord_op);
   }
 
   return input_id;

app/render/audioplaybackcache.cpp

@@ -48,6 +48,7 @@ void AudioPlaybackCache::SetParameters(const AudioParams &params)
   }
 
   params_ = params;
+  visual_.set_channel_count(params_.channel_count());
 
   // Restart empty file so there's always "something" to play
   ClearPlaylist();
@@ -55,7 +56,7 @@ void AudioPlaybackCache::SetParameters(const AudioParams &params)
   emit ParametersChanged();
 }
 
-void AudioPlaybackCache::WritePCM(const TimeRange &range, SampleBufferPtr samples, const qint64 &job_time)
+void AudioPlaybackCache::WritePCM(const TimeRange &range, SampleBufferPtr samples, const AudioVisualWaveform *waveform, const qint64 &job_time)
 {
   QList<TimeRange> valid_ranges = GetValidRanges(range, job_time);
   if (valid_ranges.isEmpty()) {
@@ -83,6 +84,7 @@ void AudioPlaybackCache::WritePCM(const TimeRange &range, SampleBufferPtr sample
   foreach (const TimeRange& r, valid_ranges) {
     rational this_segment_in = 0;
 
+    // Write PCM to playlist
     for (auto it=playlist_.begin(); it!=playlist_.end(); it++) {
       rational this_segment_out = this_segment_in + params_.bytes_to_time((*it).size());
 
@@ -138,6 +140,13 @@ void AudioPlaybackCache::WritePCM(const TimeRange &range, SampleBufferPtr sample
       // Each segment is contiguous, so this out will be the next segment's in
       this_segment_in = this_segment_out;
     }
+
+    // Write visual
+    if (waveform) {
+      visual_.OverwriteSums(*waveform, r.in(), r.in() - range.in(), r.length());
+    } else {
+      visual_.OverwriteSilence(r.in(), r.length());
+    }
   }
 
   foreach (const TimeRange& v, ranges_we_validated) {
@@ -149,7 +158,7 @@ void AudioPlaybackCache::WriteSilence(const TimeRange &range, qint64 job_time)
 {
   // WritePCM will automatically fill non-existent bytes with silence, so we just have to send
   // it an empty sample buffer
-  WritePCM(range, nullptr, job_time);
+  WritePCM(range, nullptr, nullptr, job_time);
 }
 
 void AudioPlaybackCache::ShiftEvent(const rational &from_in_time, const rational &to_in_time)

app/render/audioplaybackcache.h

@@ -21,6 +21,7 @@
 #ifndef AUDIOPLAYBACKCACHE_H
 #define AUDIOPLAYBACKCACHE_H
 
+#include "audio/audiovisualwaveform.h"
 #include "common/timerange.h"
 #include "codec/samplebuffer.h"
 #include "render/playbackcache.h"
@@ -65,7 +66,7 @@ public:
 
   void SetParameters(const AudioParams& params);
 
-  void WritePCM(const TimeRange &range, SampleBufferPtr samples, const qint64& job_time);
+  void WritePCM(const TimeRange &range, SampleBufferPtr samples, const AudioVisualWaveform *waveform, const qint64& job_time);
 
   void WriteSilence(const TimeRange &range, qint64 job_time);
 
@@ -181,6 +182,11 @@ public:
    */
   PlaybackDevice* CreatePlaybackDevice(QObject *parent = nullptr) const;
 
+  const AudioVisualWaveform &visual() const
+  {
+    return visual_;
+  }
+
 signals:
   void ParametersChanged();
 
@@ -212,6 +218,8 @@ private:
 
   AudioParams params_;
 
+  AudioVisualWaveform visual_;
+
 };
 
 }

app/render/framehashcache.cpp

@@ -39,9 +39,12 @@ namespace olive {
 
 QMutex FrameHashCache::currently_saving_frames_mutex_;
 QMap<QByteArray, FramePtr> FrameHashCache::currently_saving_frames_;
+const QString FrameHashCache::kCacheFormatExtension = QStringLiteral(".exr");
+
+#define super PlaybackCache
 
 FrameHashCache::FrameHashCache(QObject *parent) :
-  PlaybackCache(parent)
+  super(parent)
 {
   if (DiskManager::instance()) {
     connect(DiskManager::instance(), &DiskManager::DeletedFrame, this, &FrameHashCache::HashDeleted);
@@ -419,11 +422,9 @@ QString FrameHashCache::CachePathName(const QByteArray& hash) const
 
 QString FrameHashCache::CachePathName(const QString &cache_path, const QByteArray &hash)
 {
-  QString ext = GetFormatExtension();
-
   QDir cache_dir(QDir(cache_path).filePath(QString(hash.left(1).toHex())));
 
-  QString filename = QStringLiteral("%1%2").arg(QString(hash.mid(1).toHex()), ext);
+  QString filename = QStringLiteral("%1%2").arg(QString(hash.mid(1).toHex()), kCacheFormatExtension);
 
   // Register that in some way this hash has been accessed
   QMetaObject::invokeMethod(DiskManager::instance(),

app/render/framehashcache.h

@@ -70,8 +70,6 @@ public:
   FramePtr LoadCacheFrame(const QByteArray& hash) const;
   static FramePtr LoadCacheFrame(const QString& fn);
 
-  static QString GetFormatExtension();
-
   static QVector<rational> GetFrameListFromTimeRange(TimeRangeList range_list, const rational& timebase);
   QVector<rational> GetFrameListFromTimeRange(const TimeRangeList &range);
   QVector<rational> GetInvalidatedFrames();
@@ -94,6 +92,7 @@ private:
 
   static QMutex currently_saving_frames_mutex_;
   static QMap<QByteArray, FramePtr> currently_saving_frames_;
+  static const QString kCacheFormatExtension;
 
 private slots:
   void HashDeleted(const QString &s, const QByteArray& hash);

app/render/previewautocacher.cpp

@@ -171,8 +171,11 @@ void PreviewAutoCacher::AudioRendered()
     if (watcher->HasResult()) {
       const TimeRange &range = audio_tasks_.value(watcher);
 
+      AudioVisualWaveform waveform = watcher->GetTicket()->property("waveform").value<AudioVisualWaveform>();
+
       viewer_node_->audio_playback_cache()->WritePCM(range,
                                                      watcher->Get().value<SampleBufferPtr>(),
+                                                     &waveform,
                                                      watcher->GetTicket()->GetJobTime());
 
       bool pcm_is_usable = true;
@@ -506,7 +509,7 @@ void PreviewAutoCacher::TryRender()
 
   if (!invalidated_audio_.isEmpty()) {
     foreach (const TimeRange& range, invalidated_audio_) {
-      std::list<TimeRange> chunks = range.Split(2);
+      std::list<TimeRange> chunks = range.Split(30);
 
       foreach (const TimeRange& r, chunks) {
         RenderTicketWatcher* watcher = new RenderTicketWatcher();

app/render/renderprocessor.cpp

@@ -173,7 +173,16 @@ void RenderProcessor::Run()
       table = GenerateTable(texture_output.node(), texture_output.output(), time);
     }
 
-    ticket_->Finish(table.Get(NodeValue::kSamples));
+    QVariant sample_variant = table.Get(NodeValue::kSamples);
+    SampleBufferPtr samples = sample_variant.value<SampleBufferPtr>();
+    if (samples && ticket_->property("enablewaveforms").toBool()) {
+      AudioVisualWaveform vis;
+      vis.set_channel_count(samples->audio_params().channel_count());
+      vis.OverwriteSamples(samples, samples->audio_params().sample_rate());
+      ticket_->setProperty("waveform", QVariant::fromValue(vis));
+    }
+
+    ticket_->Finish(sample_variant);
     break;
   }
   case RenderManager::kTypeVideoDownload:

app/ts/zh_CN.ts

@@ -266,8 +266,7 @@ Length: %4</source>
     <message>
         <location filename="../tool/tool.h" line="108"/>
         <source>Bars</source>
-        <translatorcomment>彩条</translatorcomment>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">彩条</translation>
     </message>
     <message>
         <location filename="../tool/tool.h" line="110"/>
@@ -282,8 +281,7 @@ Length: %4</source>
     <message>
         <location filename="../tool/tool.h" line="114"/>
         <source>Tone</source>
-        <translatorcomment>音调</translatorcomment>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">音调</translation>
     </message>
     <message>
         <location filename="../tool/tool.h" line="119"/>
@@ -1425,7 +1423,8 @@ Make sure a sequence is loaded and it has a connected Viewer node.</source>
     <message>
         <location filename="../dialog/export/exportvideotab.cpp" line="57"/>
         <source>Basic</source>
-        <translation type="unfinished"></translation>
+        <translatorcomment>Would &quot;基本&quot; / &quot;基本的&quot; be more appropriate?</translatorcomment>
+        <translation type="unfinished">基本设置</translation>
     </message>
     <message>
         <location filename="../dialog/export/exportvideotab.cpp" line="61"/>
@@ -2032,7 +2031,7 @@ Make sure a sequence is loaded and it has a connected Viewer node.</source>
     <message>
         <location filename="../window/mainwindow/mainmenu.cpp" line="664"/>
         <source>Cache Entire Sequence</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">缓存整个序列</translation>
     </message>
     <message>
         <location filename="../window/mainwindow/mainmenu.cpp" line="665"/>
@@ -2112,7 +2111,7 @@ Make sure a sequence is loaded and it has a connected Viewer node.</source>
     <message>
         <location filename="../window/mainwindow/mainmenu.cpp" line="685"/>
         <source>Enable Snapping</source>
-        <translation type="unfinished">开启边缘吸合/自动对齐</translation>
+        <translation type="unfinished">启用吸附</translation>
     </message>
     <message>
         <location filename="../window/mainwindow/mainmenu.cpp" line="686"/>
@@ -4369,7 +4368,7 @@ What would you like to do with these clips?</source>
     <message>
         <location filename="../widget/toolbar/toolbar.cpp" line="108"/>
         <source>Toggle Snapping</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">切换吸附</translation>
     </message>
 </context>
 <context>

app/widget/timelinewidget/timelineundo.h

@@ -1370,6 +1370,8 @@ public:
 
     Track* track = timeline_->GetTrackAt(track_index_);
 
+    track->BeginOperation();
+
     bool append = (in_ >= track->track_length());
 
     // Check if the placement location is past the end of the timeline
@@ -1409,6 +1411,12 @@ public:
       }
     }
 
+    track->EndOperation();
+
+    if (ripple_remove_command_) {
+      track->Node::InvalidateCache(TimeRange(insert_->in(), insert_->out()), Track::kBlockInput);
+    }
+
     for (int i=0; i<position_commands_.size(); i++) {
       position_commands_.at(i)->redo();
     }
@@ -1422,7 +1430,10 @@ public:
 
     Track* t = timeline_->GetTrackAt(track_index_);
 
+    TimeRange insert_range(insert_->in(), insert_->out());
+
     // Firstly, remove our insert
+    t->BeginOperation();
     t->RippleRemoveBlock(insert_);
 
     if (ripple_remove_command_) {
@@ -1432,6 +1443,11 @@ public:
       t->RippleRemoveBlock(gap_);
       gap_->setParent(&memory_manager_);
     }
+    t->EndOperation();
+
+    if (ripple_remove_command_) {
+      t->Node::InvalidateCache(insert_range, Track::kBlockInput);
+    }
 
     // Remove tracks if we added them
     for (int i=add_track_commands_.size()-1; i>=0; i--) {

app/widget/timelinewidget/tool/import.cpp

@@ -87,7 +87,11 @@ void ImportTool::DragEnter(TimelineViewMouseEvent *event)
     PrepGhosts(drag_start_.GetFrame() - parent()->SceneToTime(import_pre_buffer_),
                drag_start_.GetTrack().index());
 
-    event->accept();
+    if (parent()->HasGhosts() || !parent()->GetConnectedNode()) {
+      event->accept();
+    } else {
+      event->ignore();
+    }
   } else {
     // FIXME: Implement dropping from file
     event->ignore();

app/widget/viewer/audiowaveformview.cpp

@@ -60,8 +60,7 @@ void AudioWaveformView::SetViewer(AudioPlaybackCache *playback)
     pool_.clear();
     pool_.waitForDone();
 
-    disconnect(playback_, &AudioPlaybackCache::Validated, this, &AudioWaveformView::RenderRange);
-    //disconnect(playback_, &AudioPlaybackCache::ParametersChanged, this, &AudioWaveformView::RenderRange);
+    disconnect(playback_, &AudioPlaybackCache::Validated, this, static_cast<void(AudioWaveformView::*)()>(&AudioWaveformView::update));
 
     SetTimebase(0);
   }
@@ -69,14 +68,9 @@ void AudioWaveformView::SetViewer(AudioPlaybackCache *playback)
   playback_ = playback;
 
   if (playback_) {
-    connect(playback_, &AudioPlaybackCache::Validated, this, &AudioWaveformView::RenderRange);
-    //connect(playback_, &AudioPlaybackCache::ParametersChanged, this, &AudioWaveformView::RenderRange);
+    connect(playback_, &AudioPlaybackCache::Validated, this, static_cast<void(AudioWaveformView::*)()>(&AudioWaveformView::update));
 
     SetTimebase(playback_->GetParameters().sample_rate_as_time_base());
-
-    waveform_.set_channel_count(playback_->GetParameters().channel_count());
-
-    RenderRange(TimeRange(0, playback_->GetLength()));
   }
 }
 
@@ -101,7 +95,7 @@ void AudioWaveformView::paintEvent(QPaintEvent *event)
 
   // Draw waveform
   p.setPen(QColor(64, 255, 160)); // FIXME: Hardcoded color
-  AudioVisualWaveform::DrawWaveform(&p, rect(), GetScale(), waveform_, SceneToTime(GetScroll()));
+  AudioVisualWaveform::DrawWaveform(&p, rect(), GetScale(), playback_->visual(), SceneToTime(GetScroll()));
 
   // Draw playhead
   p.setPen(PLAYHEAD_COLOR);
@@ -110,42 +104,4 @@ void AudioWaveformView::paintEvent(QPaintEvent *event)
   p.drawLine(playhead_x, 0, playhead_x, height());
 }
 
-void AudioWaveformView::RenderRange(TimeRange range)
-{
-  // Limit range to length
-  range = TimeRange(qMax(rational(0), range.in()), qMin(playback_->GetLength(), range.out()));
-
-  // Floor to second increments
-  int64_t start = qFloor(range.in().toDouble());
-  int64_t end = qCeil(range.out().toDouble());
-
-  for (; start!=end; start++) {
-    TimeRange this_range(start, start+1);
-
-    QFutureWatcher<AudioVisualWaveform>* watcher = new QFutureWatcher<AudioVisualWaveform>();
-    connect(watcher, &QFutureWatcher<AudioVisualWaveform>::finished, this, &AudioWaveformView::BackgroundFinished);
-
-    jobs_.insert(this_range, watcher);
-
-    watcher->setFuture(QtConcurrent::run(&pool_, GenerateWaveform, playback_->CreatePlaybackDevice(), playback_->GetParameters(), this_range));
-  }
-}
-
-void AudioWaveformView::BackgroundFinished()
-{
-  QFutureWatcher<AudioVisualWaveform>* watcher = static_cast<QFutureWatcher<AudioVisualWaveform>*>(sender());
-
-  for (auto it=jobs_.begin(); it!=jobs_.end(); it++) {
-    if (it.value() == watcher) {
-      AudioVisualWaveform rendered = watcher->result();
-      waveform_.OverwriteSums(rendered, it.key().in());
-      jobs_.erase(it);
-      update();
-      break;
-    }
-  }
-
-  delete watcher;
-}
-
 }

app/widget/viewer/audiowaveformview.h

@@ -24,7 +24,6 @@
 #include <QtConcurrent/QtConcurrent>
 #include <QWidget>
 
-#include "audio/audiovisualwaveform.h"
 #include "render/audioparams.h"
 #include "render/audioplaybackcache.h"
 #include "widget/timeruler/seekablewidget.h"
@@ -37,32 +36,16 @@ class AudioWaveformView : public SeekableWidget
 public:
   AudioWaveformView(QWidget* parent = nullptr);
 
-  //void SetData(const QString& file, const AudioRenderingParams& params);
-
   void SetViewer(AudioPlaybackCache *playback);
 
-  const AudioVisualWaveform* waveform() const
-  {
-    return &waveform_;
-  }
-
 protected:
   virtual void paintEvent(QPaintEvent* event) override;
 
 private:
-  void RenderRange(TimeRange range);
-
   QThreadPool pool_;
 
   AudioPlaybackCache *playback_;
 
-  AudioVisualWaveform waveform_;
-
-  QHash<TimeRange, QFutureWatcher<AudioVisualWaveform>*> jobs_;
-
-private slots:
-  void BackgroundFinished();
-
 };
 
 }

app/widget/viewer/viewer.cpp

@@ -455,7 +455,7 @@ void ViewerWidget::StartAudioOutput()
     AudioManager::instance()->StartOutput(audio_cache,
                                           audio_cache->GetParameters().time_to_bytes(GetTime()),
                                           playback_speed_);
-    emit AudioManager::instance()->OutputWaveformStarted(waveform_view_->waveform(),
+    emit AudioManager::instance()->OutputWaveformStarted(&audio_cache->visual(),
                                                          GetTime(), playback_speed_);
   }
 }

app/window/mainwindow/mainmenu.cpp

@@ -639,8 +639,7 @@ void MainMenu::Retranslate()
 
   // Edit menu
   edit_menu_->setTitle(tr("&Edit"));
-  //edit_undo_item_->setText(tr("&Undo")); FIXME: Does Qt translate these automatically?
-  //edit_redo_item_->setText(tr("Redo"));
+  Core::instance()->undo_stack()->UpdateActions(); // Update undo and redo
   edit_delete2_item_->setText(tr("Delete (alt)"));
   edit_insert_item_->setText(tr("Insert"));
   edit_overwrite_item_->setText(tr("Overwrite"));