]> git.sesse.net Git - nageru/blobdiff - mainwindow.cpp
Serialize state to disk between runs, using SQLite.
[nageru] / mainwindow.cpp
index f0a0341b89c0a758e0d61d325ac70a566d3b32eb..cfc976965bfb4988efb82bec69cb4978c94666ba 100644 (file)
@@ -3,6 +3,7 @@
 #include "clip_list.h"
 #include "player.h"
 #include "post_to_main_thread.h"
+#include "timebase.h"
 #include "ui_mainwindow.h"
 
 #include <string>
@@ -11,6 +12,9 @@
 #include <QMouseEvent>
 #include <QWheelEvent>
 #include <QShortcut>
+#include <QTimer>
+
+#include <sqlite3.h>
 
 using namespace std;
 
@@ -23,16 +27,21 @@ extern mutex frame_mu;
 extern vector<int64_t> frames[MAX_STREAMS];
 
 MainWindow::MainWindow()
-       : ui(new Ui::MainWindow)
+       : ui(new Ui::MainWindow),
+         db("futatabi.db")
 {
        global_mainwindow = this;
        ui->setupUi(this);
 
-       cliplist_clips = new ClipList();
+       StateProto state = db.get_state();
+
+       cliplist_clips = new ClipList(state.clip_list());
        ui->clip_list->setModel(cliplist_clips);
+       connect(cliplist_clips, &ClipList::any_content_changed, this, &MainWindow::content_changed);
 
-       playlist_clips = new PlayList();
+       playlist_clips = new PlayList(state.play_list());
        ui->playlist->setModel(playlist_clips);
+       connect(playlist_clips, &PlayList::any_content_changed, this, &MainWindow::content_changed);
 
        // For scrubbing in the pts columns.
        ui->clip_list->viewport()->installEventFilter(this);
@@ -107,12 +116,21 @@ MainWindow::MainWindow()
                        live_player_clip_done();
                });
        });
+       live_player->set_progress_callback([this](double played_this_clip, double total_length) {
+               post_to_main_thread([this, played_this_clip, total_length] {
+                       live_player_clip_progress(played_this_clip, total_length);
+               });
+       });
+
+       defer_timeout = new QTimer(this);
+       defer_timeout->setSingleShot(true);
+       connect(defer_timeout, &QTimer::timeout, this, &MainWindow::defer_timer_expired);
 }
 
 void MainWindow::cue_in_clicked()
 {
        if (!cliplist_clips->empty() && cliplist_clips->back()->pts_out < 0) {
-               cliplist_clips->back()->pts_in = current_pts;
+               cliplist_clips->mutable_back()->pts_in = current_pts;
                return;
        }
        Clip clip;
@@ -124,7 +142,7 @@ void MainWindow::cue_in_clicked()
 void MainWindow::cue_out_clicked()
 {
        if (!cliplist_clips->empty()) {
-               cliplist_clips->back()->pts_out = current_pts;
+               cliplist_clips->mutable_back()->pts_out = current_pts;
                // TODO: select the row in the clip list?
        }
 }
@@ -139,15 +157,23 @@ void MainWindow::queue_clicked()
        if (!selected->hasSelection()) {
                Clip clip = *cliplist_clips->back();
                clip.stream_idx = 0;
-               playlist_clips->add_clip(clip);
+               if (clip.pts_out != -1) {
+                       playlist_clips->add_clip(clip);
+                       playlist_selection_changed();
+               }
                return;
        }
 
        QModelIndex index = selected->currentIndex();
+       Clip clip = *cliplist_clips->clip(index.row());
        if (index.column() >= int(ClipList::Column::CAMERA_1) &&
            index.column() <= int(ClipList::Column::CAMERA_4)) {
-               Clip clip = *cliplist_clips->clip(index.row());
                clip.stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
+       } else {
+               clip.stream_idx = ui->preview_display->get_stream_idx();
+       }
+
+       if (clip.pts_out != -1) {
                playlist_clips->add_clip(clip);
                playlist_selection_changed();
        }
@@ -164,11 +190,14 @@ void MainWindow::preview_clicked()
        }
 
        QModelIndex index = selected->currentIndex();
+       unsigned stream_idx;
        if (index.column() >= int(ClipList::Column::CAMERA_1) &&
            index.column() <= int(ClipList::Column::CAMERA_4)) {
-               unsigned stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
-               preview_player->play_clip(*cliplist_clips->clip(index.row()), stream_idx);
+               stream_idx = index.column() - int(ClipList::Column::CAMERA_1);
+       } else {
+               stream_idx = ui->preview_display->get_stream_idx();
        }
+       preview_player->play_clip(*cliplist_clips->clip(index.row()), stream_idx);
 }
 
 void MainWindow::preview_angle_clicked(unsigned stream_idx)
@@ -235,6 +264,37 @@ void MainWindow::playlist_move(int delta)
        playlist_selection_changed();
 }
 
+void MainWindow::defer_timer_expired()
+{
+       state_changed(deferred_state);
+}
+
+void MainWindow::content_changed()
+{
+       if (defer_timeout->isActive() &&
+           (!currently_deferring_model_changes || deferred_change_id != current_change_id)) {
+               // There's some deferred event waiting, but this event is unrelated.
+               // So it's time to short-circuit that timer and do the work it wanted to do.
+               defer_timeout->stop();
+               state_changed(deferred_state);
+       }
+       StateProto state;
+       *state.mutable_clip_list() = cliplist_clips->serialize();
+       *state.mutable_play_list() = playlist_clips->serialize();
+       if (currently_deferring_model_changes) {
+               deferred_change_id = current_change_id;
+               deferred_state = std::move(state);
+               defer_timeout->start(200);
+               return;
+       }
+       state_changed(state);
+}
+
+void MainWindow::state_changed(const StateProto &state)
+{
+       db.store_state(state);
+}
+
 void MainWindow::play_clicked()
 {
        if (playlist_clips->empty()) return;
@@ -249,7 +309,7 @@ void MainWindow::play_clicked()
 
        const Clip &clip = *playlist_clips->clip(row);
        live_player->play_clip(clip, clip.stream_idx);
-       playlist_clips->set_currently_playing(row);
+       playlist_clips->set_currently_playing(row, 0.0f);
        playlist_selection_changed();
 }
 
@@ -260,12 +320,35 @@ void MainWindow::live_player_clip_done()
                ++row;
                const Clip &clip = *playlist_clips->clip(row);
                live_player->play_clip(clip, clip.stream_idx);
-               playlist_clips->set_currently_playing(row);
+               playlist_clips->set_currently_playing(row, 0.0f);
        } else {
-               playlist_clips->set_currently_playing(-1);
+               playlist_clips->set_currently_playing(-1, 0.0f);
+               ui->live_label->setText("Current output (paused)");
        }
 }
 
+void MainWindow::live_player_clip_progress(double played_this_clip, double total_length)
+{
+       playlist_clips->set_currently_playing(playlist_clips->get_currently_playing(), played_this_clip / total_length);
+
+       double remaining = total_length - played_this_clip;
+       for (int row = playlist_clips->get_currently_playing() + 1; row < int(playlist_clips->size()); ++row) {
+               const Clip clip = *playlist_clips->clip(row);
+               remaining += double(clip.pts_out - clip.pts_in) / TIMEBASE / 0.5;   // FIXME: stop hardcoding speed.
+       }
+       int remaining_ms = lrint(remaining * 1e3);
+
+       int ms = remaining_ms % 1000;
+       remaining_ms /= 1000;
+       int s = remaining_ms % 60;
+       remaining_ms /= 60;
+       int m = remaining_ms;
+
+       char buf[256];
+       snprintf(buf, sizeof(buf), "Current output (%d:%02d.%03d left)", m, s, ms);
+       ui->live_label->setText(buf);
+}
+
 void MainWindow::resizeEvent(QResizeEvent *event)
 {
        QMainWindow::resizeEvent(event);
@@ -277,7 +360,19 @@ void MainWindow::resizeEvent(QResizeEvent *event)
 
 void MainWindow::relayout()
 {
-       ui->live_display->setMinimumHeight(ui->live_display->width() * 9 / 16);
+       ui->live_display->setMinimumWidth(ui->live_display->height() * 16 / 9);
+       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)
@@ -353,34 +448,35 @@ bool MainWindow::eventFilter(QObject *watched, QEvent *event)
                        }
 
                        int64_t pts = scrub_pts_origin + adjusted_offset * scrub_sensitivity;
-
+                       currently_deferring_model_changes = true;
                        if (scrub_type == SCRUBBING_CLIP_LIST) {
-                               ClipProxy clip = cliplist_clips->clip(scrub_row);
+                               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;
+                                       current_change_id = "cliplist:in:" + to_string(scrub_row);
+                                       set_pts_in(pts, current_pts, clip);
                                        preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
                                } else {
+                                       current_change_id = "cliplist:out" + to_string(scrub_row);
                                        pts = std::max(pts, clip->pts_in);
                                        pts = std::min(pts, current_pts);
                                        clip->pts_out = pts;
                                        preview_single_frame(pts, stream_idx, LAST_BEFORE);
                                }
                        } else {
-                               ClipProxy clip = playlist_clips->clip(scrub_row);
+                               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;
+                                       current_change_id = "playlist:in:" + to_string(scrub_row);
+                                       set_pts_in(pts, current_pts, clip);
                                        preview_single_frame(pts, clip->stream_idx, FIRST_AT_OR_AFTER);
                                } else {
+                                       current_change_id = "playlist:out:" + to_string(scrub_row);
                                        pts = std::max(pts, clip->pts_in);
                                        pts = std::min(pts, current_pts);
                                        clip->pts_out = pts;
                                        preview_single_frame(pts, clip->stream_idx, LAST_BEFORE);
                                }
                        }
+                       currently_deferring_model_changes = false;
 
                        return true;  // Don't use this mouse movement for selecting things.
                }
@@ -408,43 +504,49 @@ bool MainWindow::eventFilter(QObject *watched, QEvent *event)
                int row = destination->rowAt(wheel->y());
                if (column == -1 || row == -1) return false;
 
-               ClipProxy clip = (watched == ui->clip_list->viewport()) ?
-                       cliplist_clips->clip(row) : playlist_clips->clip(row);
-               if (watched == ui->playlist->viewport()) {
-                       stream_idx = clip->stream_idx;
-               }
+               currently_deferring_model_changes = true;
+               {
+                       current_change_id = (watched == ui->clip_list->viewport()) ? "cliplist:" : "playlist:";
+                       ClipProxy clip = (watched == ui->clip_list->viewport()) ?
+                               cliplist_clips->mutable_clip(row) : playlist_clips->mutable_clip(row);
+                       if (watched == ui->playlist->viewport()) {
+                               stream_idx = clip->stream_idx;
+                       }
 
-               if (column != camera_column) {
-                       last_mousewheel_camera_row = -1;
-               }
-               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;
-                       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;
-                       pts = std::max(pts, clip->pts_in);
-                       pts = std::min(pts, current_pts);
-                       clip->pts_out = pts;
-                       preview_single_frame(pts, stream_idx, LAST_BEFORE);
-               } else if (column == camera_column) {
-                       int angle_degrees = wheel->angleDelta().y();
-                       if (last_mousewheel_camera_row == row) {
-                               angle_degrees += leftover_angle_degrees;
+                       if (column != camera_column) {
+                               last_mousewheel_camera_row = -1;
                        }
+                       if (column == in_column) {
+                               current_change_id += "in:" + to_string(row);
+                               int64_t pts = clip->pts_in + wheel->angleDelta().y() * wheel_sensitivity;
+                               set_pts_in(pts, current_pts, clip);
+                               preview_single_frame(pts, stream_idx, FIRST_AT_OR_AFTER);
+                       } else if (column == out_column) {
+                               current_change_id += "out:" + to_string(row);
+                               int64_t pts = clip->pts_out + wheel->angleDelta().y() * wheel_sensitivity;
+                               pts = std::max(pts, clip->pts_in);
+                               pts = std::min(pts, current_pts);
+                               clip->pts_out = pts;
+                               preview_single_frame(pts, stream_idx, LAST_BEFORE);
+                       } else if (column == camera_column) {
+                               current_change_id += "camera:" + to_string(row);
+                               int angle_degrees = wheel->angleDelta().y();
+                               if (last_mousewheel_camera_row == row) {
+                                       angle_degrees += leftover_angle_degrees;
+                               }
 
-                       int stream_idx = clip->stream_idx + angle_degrees / camera_degrees_per_pixel;
-                       stream_idx = std::max(stream_idx, 0);
-                       stream_idx = std::min(stream_idx, NUM_CAMERAS - 1);
-                       clip->stream_idx = stream_idx;
+                               int stream_idx = clip->stream_idx + angle_degrees / camera_degrees_per_pixel;
+                               stream_idx = std::max(stream_idx, 0);
+                               stream_idx = std::min(stream_idx, NUM_CAMERAS - 1);
+                               clip->stream_idx = stream_idx;
 
-                       last_mousewheel_camera_row = row;
-                       leftover_angle_degrees = angle_degrees % camera_degrees_per_pixel;
+                               last_mousewheel_camera_row = row;
+                               leftover_angle_degrees = angle_degrees % camera_degrees_per_pixel;
 
-                       // Don't update the live view, that's rarely what the operator wants.
+                               // Don't update the live view, that's rarely what the operator wants.
+                       }
                }
+               currently_deferring_model_changes = false;
        } else if (event->type() == QEvent::MouseButtonRelease) {
                scrubbing = false;
        }