added #105

io/media.h

@@ -15,7 +15,10 @@ struct MediaStream {
 	int video_width;
 	int video_height;
 	bool infinite_length;
+    double video_frame_rate;
     int audio_channels;
+    int audio_layout;
+    int audio_frequency;
 
     // preview thumbnail/waveform
     bool preview_done;

io/previewgenerator.cpp

@@ -35,10 +35,13 @@ void PreviewGenerator::parse_media() {
                 bool infinite_length = (fmt_ctx->streams[i]->avg_frame_rate.den == 0);
                 ms->video_width = fmt_ctx->streams[i]->codecpar->width;
                 ms->video_height = fmt_ctx->streams[i]->codecpar->height;
+                ms->video_frame_rate = (infinite_length) ? 0 : av_q2d(fmt_ctx->streams[i]->avg_frame_rate);
                 ms->infinite_length = infinite_length;
                 media->video_tracks.append(ms);
             } else if (fmt_ctx->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
                 ms->audio_channels = fmt_ctx->streams[i]->codecpar->channels;
+                ms->audio_layout = fmt_ctx->streams[i]->codecpar->channel_layout;
+                ms->audio_frequency = fmt_ctx->streams[i]->codecpar->sample_rate;
                 media->audio_tracks.append(ms);
             }
         }

mainwindow.cpp

@@ -110,7 +110,7 @@ MainWindow::MainWindow(QWidget *parent) :
                     panel_project->load_project();
                 }
             }
-            autorecovery_timer.setInterval(10000);
+            autorecovery_timer.setInterval(60000);
             QObject::connect(&autorecovery_timer, SIGNAL(timeout()), this, SLOT(autorecover_interval()));
             autorecovery_timer.start();
 

mainwindow.ui

@@ -215,7 +215,7 @@
     <string>&amp;Redo</string>
    </property>
    <property name="shortcut">
-    <string>Ctrl+Y</string>
+    <string>Ctrl+Shift+Z, Ctrl+Y</string>
    </property>
   </action>
   <action name="actionCu_t">

panels/timeline.cpp

@@ -214,8 +214,8 @@ void Timeline::update_sequence() {
 	ui->pushButton_4->setEnabled(!null_sequence);
 	ui->pushButton_5->setEnabled(!null_sequence);
     ui->headers->setEnabled(!null_sequence);
-	ui->video_area->setEnabled(!null_sequence);
-	ui->audio_area->setEnabled(!null_sequence);
+//	ui->video_area->setEnabled(!null_sequence);
+//	ui->audio_area->setEnabled(!null_sequence);
 
 	if (null_sequence) {
 		setWindowTitle("Timeline: <none>");

project/sequence.h

@@ -20,7 +20,7 @@ public:
 	long getEndFrame();
 	int width;
 	int height;
-	float frame_rate;
+    double frame_rate;
 	int audio_frequency;
     int audio_layout;
 private:

ui/timelinewidget.h

@@ -57,6 +57,12 @@ private:
     QPixmap clip_pixmap;
 //	QPixmap selection_pixmap;
 
+    int predicted_video_width;
+    int predicted_video_height;
+    double predicted_new_frame_rate;
+    int predicted_audio_freq;
+    int predicted_audio_layout;
+
 signals:
 
 public slots: