Make it possible to scrub pts_in on a clip even if pts_out is not set.

diff --git a/mainwindow.cpp b/mainwindow.cpp
index fd94e89ea786b78bc53a2c22a49c5dba9ad64f83..0d9e80a4752a5d13cb882c7cdddf3a4e321ede55 100644 (file)
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -321,6 +321,17 @@ void MainWindow::relayout()
        ui->preview_display->setMinimumWidth(ui->preview_display->height() * 16 / 9);
 }
 
+void set_pts_in(int64_t pts, int64_t current_pts, ClipProxy &clip)
+{
+       pts = std::max<int64_t>(pts, 0);
+       if (clip->pts_out == -1) {
+               pts = std::min(pts, current_pts);
+       } else {
+               pts = std::min(pts, clip->pts_out);
+       }
+       clip->pts_in = pts;
+}
+
 bool MainWindow::eventFilter(QObject *watched, QEvent *event)
 {
        constexpr int dead_zone_pixels = 3;  // To avoid that simple clicks get misinterpreted.
@@ -398,9 +409,7 @@ bool MainWindow::eventFilter(QObject *watched, QEvent *event)
                        if (scrub_type == SCRUBBING_CLIP_LIST) {
                                ClipProxy clip = cliplist_clips->mutable_clip(scrub_row);
                                if (scrub_column == int(ClipList::Column::IN)) {
-                                       pts = std::max<int64_t>(pts, 0);
-                                       pts = std::min(pts, clip->pts_out);
-                                       clip->pts_in = pts;
+                                       set_pts_in(pts, current_pts, clip);
                                        preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
                                } else {
                                        pts = std::max(pts, clip->pts_in);
@@ -411,9 +420,7 @@ bool MainWindow::eventFilter(QObject *watched, QEvent *event)
                        } else {
                                ClipProxy clip = playlist_clips->mutable_clip(scrub_row);
                                if (scrub_column == int(PlayList::Column::IN)) {
-                                       pts = std::max<int64_t>(pts, 0);
-                                       pts = std::min(pts, clip->pts_out);
-                                       clip->pts_in = pts;
+                                       set_pts_in(pts, current_pts, clip);
                                        preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
                                } else {
                                        pts = std::max(pts, clip->pts_in);
@@ -460,9 +467,7 @@ bool MainWindow::eventFilter(QObject *watched, QEvent *event)
                }
                if (column == in_column) {
                        int64_t pts = clip->pts_in + wheel->angleDelta().y() * wheel_sensitivity;
-                       pts = std::max<int64_t>(pts, 0);
-                       pts = std::min(pts, clip->pts_out);
-                       clip->pts_in = pts;
+                       set_pts_in(pts, current_pts, clip);
                        preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
                } else if (column == out_column) {
                        int64_t pts = clip->pts_out + wheel->angleDelta().y() * wheel_sensitivity;