Support per-clip variable speed.

[nageru] / futatabi / clip_list.cpp

diff --git a/futatabi/clip_list.cpp b/futatabi/clip_list.cpp
index 0a3faf01a09e517e4ac49db957ed9b96fac97c2f..b456c75ca77ee4ee2a3beb029b6b62d5ada8275b 100644 (file)
--- a/futatabi/clip_list.cpp
+++ b/futatabi/clip_list.cpp
@@ -131,6 +131,7 @@ QVariant PlayList::data(const QModelIndex &parent, int role) const
                case Column::OUT:
                case Column::DURATION:
                case Column::FADE_TIME:
+               case Column::SPEED:
                        return Qt::AlignRight + Qt::AlignVCenter;
                case Column::CAMERA:
                        return Qt::AlignCenter;
@@ -192,6 +193,13 @@ QVariant PlayList::data(const QModelIndex &parent, int role) const
                ss << fixed << clips[row].fade_time_seconds;
                return QString::fromStdString(ss.str());
        }
+       case Column::SPEED: {
+               stringstream ss;
+               ss.imbue(locale("C"));
+               ss.precision(3);
+               ss << fixed << clips[row].speed;
+               return QString::fromStdString(ss.str());
+       }
        default:
                return "";
        }
@@ -242,6 +250,8 @@ QVariant PlayList::headerData(int section, Qt::Orientation orientation, int role
                return "Description";
        case Column::FADE_TIME:
                return "Fade time";
+       case Column::SPEED:
+               return "Speed";
        default:
                return "";
        }
@@ -274,7 +284,7 @@ Qt::ItemFlags PlayList::flags(const QModelIndex &index) const
        case Column::DESCRIPTION:
        case Column::CAMERA:
        case Column::FADE_TIME:
-               return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsEditable;
+       case Column::SPEED:
                return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsEditable;
        default:
                return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
@@ -336,6 +346,16 @@ bool PlayList::setData(const QModelIndex &index, const QVariant &value, int role
                emit_data_changed(row);
                return true;
        }
+       case Column::SPEED: {
+               bool ok;
+               double val = value.toDouble(&ok);
+               if (!ok || !(val >= 0.001)) {
+                       return false;
+               }
+               clips[row].speed = val;
+               emit_data_changed(row);
+               return true;
+       }
        default:
                return false;
        }
@@ -462,6 +482,11 @@ Clip deserialize_clip(const ClipProto &clip_proto)
        }
        clip.stream_idx = clip_proto.stream_idx();
        clip.fade_time_seconds = clip_proto.fade_time_seconds();
+       if (clip_proto.speed() < 0.001) {
+               clip.speed = 0.5;  // Default.
+       } else {
+               clip.speed = clip_proto.speed();
+       }
        return clip;
 }
 
@@ -474,6 +499,7 @@ void serialize_clip(const Clip &clip, ClipProto *clip_proto)
        }
        clip_proto->set_stream_idx(clip.stream_idx);
        clip_proto->set_fade_time_seconds(clip.fade_time_seconds);
+       clip_proto->set_speed(clip.speed);
 }
 
 }  // namespace