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videovanish.py
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1767 lines (1465 loc) · 77.7 KB
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#!/usr/bin/env python3
# videovanish.py — frame-indexed keyframes + object labels + RAM previews for mask & infill
#
# New:
# - In-memory preview layers for both Mask and Infilled:
# * set_mask_preview_frames(list_of_np_arrays, start_frame=None)
# * clear_mask_preview()
# * set_infill_preview_frames(list_of_np_arrays, start_frame=None)
# * clear_infill_preview()
# - Mask preview respects Mask checkbox + opacity slider and sits above the base.
# - Infill preview acts as the visible base when View Mode = "Infilled" (replaces file infill while present).
#
# Retained:
# - Dark editor-style UI.
# - Master/original (with audio) + optional file-backed infilled + optional file-backed mask.
# - Followers PLAY during playback with periodic drift correction; exact snap on pause/seek.
# - Frame-accurate UI via QVideoSink; keyframes by frame index.
# - Object selector & labels drawn next to points/rects; JSON includes obj.
# - Clickable seek slider; poster frame shown on load.
import sys, json, argparse
from dataclasses import dataclass, field
from pathlib import Path
from typing import Dict, List, Tuple, Optional
import numpy as np
from PySide6.QtCore import Qt, QSize, QPointF, QRectF, Signal, QTimer, QUrl
from PySide6.QtGui import (
QAction, QIcon, QPainter, QPen, QColor, QPixmap, QPalette, QFont, QImage
)
from PySide6.QtWidgets import (
QApplication, QMainWindow, QWidget, QVBoxLayout, QHBoxLayout,
QSlider, QLabel, QFileDialog, QPushButton, QDockWidget, QStyle,
QToolBar, QMessageBox, QListWidget, QListWidgetItem, QButtonGroup, QSpinBox,
QToolButton, QGraphicsView, QGraphicsScene, QGraphicsObject, QFrame,
QCheckBox, QRadioButton, QGroupBox, QComboBox, QGraphicsPixmapItem
)
from PySide6.QtMultimedia import QAudioOutput, QMediaPlayer, QVideoSink, QMediaMetaData
from PySide6.QtMultimediaWidgets import QGraphicsVideoItem
from PySide6.QtCore import QObject, QThread, Signal, Slot
from PySide6.QtWidgets import QDialog, QVBoxLayout, QLabel, QProgressBar, QPushButton
import traceback
import sam2_masker, tools, diffuerase
# ---------- Helpers ----------
def fmt_ms(ms: int) -> str:
s = max(0, ms // 1000)
h = s // 3600
m = (s % 3600) // 60
s = s % 60
return f"{h:02d}:{m:02d}:{s:02d}" if h else f"{m:02d}:{s:02d}"
def ms_to_frame(ms: int, fps: float) -> int:
return int(round((ms / 1000.0) * fps))
def frame_to_ms(fi: int, fps: float) -> int:
return int(round((fi / fps) * 1000.0))
# ---------- Annotation data (by frame index) ----------
@dataclass
class Keyframe:
frame_idx: int
# Each point: (x_norm, y_norm, obj_id)
pos_clicks: List[Tuple[float, float, int]] = field(default_factory=list)
neg_clicks: List[Tuple[float, float, int]] = field(default_factory=list)
# Each rect: (x_norm, y_norm, w_norm, h_norm, obj_id)
rects: List[Tuple[float, float, float, float, int]] = field(default_factory=list)
class ProgressDialog(QDialog):
canceled = Signal()
def __init__(self, title: str, parent=None, can_cancel: bool = True):
super().__init__(parent)
self.setWindowTitle(title)
self.setModal(False) # modeless so users can still click other buttons
self.setMinimumWidth(360)
layout = QVBoxLayout(self)
self.status_label = QLabel("Starting…")
self.bar = QProgressBar()
self.bar.setRange(0, 100)
self.bar.setValue(0)
layout.addWidget(self.status_label)
layout.addWidget(self.bar)
if can_cancel:
self.btn_cancel = QPushButton("Cancel")
self.btn_cancel.clicked.connect(self.canceled)
layout.addWidget(self.btn_cancel)
else:
self.btn_cancel = None
def set_status(self, text: str):
self.status_label.setText(text)
def set_progress(self, pct: int):
self.bar.setValue(max(0, min(100, int(pct))))
class Worker(QObject):
progress = Signal(int, str) # (percent, status)
finished = Signal(object) # result
failed = Signal(str) # error text/trace
_cancel_requested = False
@Slot()
def run(self):
# `self.func` must be set before start; it receives (report, is_canceled)
# where `report(pct:int, status:str)` updates the UI and
# `is_canceled()` lets the job stop early.
def report(pct: int, status: str = ""):
self.progress.emit(int(pct), status)
def is_canceled():
return self._cancel_requested
err = None
try:
result = self.func(report, is_canceled)
except Exception:
err = str(traceback.format_exc())
print(err)
if err is not None:
self.failed.emit(err)
return
self.finished.emit(result)
return
def request_cancel(self):
self._cancel_requested = True
# ---------- Overlay for drawing points/rectangles ----------
class OverlayItem(QGraphicsObject):
addPositive = Signal(float, float)
addNegative = Signal(float, float)
addRectangle = Signal(float, float, float, float)
requestDelete = Signal(float, float)
TOOL_POS = 1
TOOL_NEG = 2
TOOL_RECT = 3
def __init__(self, rect: QRectF, parent=None):
super().__init__(parent)
self._rect = QRectF(rect)
self._tool = self.TOOL_POS
self._kf: Optional[Keyframe] = None
self._drawing = False
self._drag_start: Optional[QPointF] = None
self._drag_cur: Optional[QPointF] = None
self.setAcceptedMouseButtons(Qt.LeftButton | Qt.RightButton)
self.setAcceptHoverEvents(True)
self.setFlag(self.GraphicsItemFlag.ItemIsFocusable, True)
self.setZValue(20.0)
self.dot_radius_px = 10.0
self.rect_pen_width = 4.0
self.live_rect_pen_width = 3.0
# Label styling
self.label_font = QFont()
self.label_font.setPointSize(9)
self.label_pen = QPen(QColor(0, 0, 0, 220), 3) # outline
self.label_color = QColor(255, 255, 255, 230)
def setTool(self, tool: int): self._tool = tool
def setKeyframe(self, kf: Optional[Keyframe]): self._kf = kf; self.update()
def setRect(self, rect: QRectF):
if rect != self._rect:
self.prepareGeometryChange()
self._rect = QRectF(rect)
self.update()
def boundingRect(self) -> QRectF: return QRectF(self._rect)
def _draw_label(self, p: QPainter, x: float, y: float, text: str):
p.save()
p.setFont(self.label_font)
p.setPen(self.label_pen); p.drawText(x + 1, y + 1, text) # outline
p.setPen(self.label_color); p.drawText(x, y, text) # fill
p.restore()
def paint(self, p: QPainter, _opt, _widget=None):
p.setRenderHint(QPainter.Antialiasing, True)
# Live dashed rectangle
if self._drawing and self._drag_start and self._drag_cur:
r = self._make_rect(self._drag_start, self._drag_cur)
p.setPen(QPen(QColor(255, 255, 255, 220), self.live_rect_pen_width, Qt.DashLine))
p.setBrush(Qt.NoBrush)
p.drawRect(r)
# Saved annotations
if self._kf:
W = max(1.0, self._rect.width()); H = max(1.0, self._rect.height())
# Rectangles (cyan) + object label
p.setPen(QPen(QColor(0, 200, 255, 220), self.rect_pen_width))
p.setBrush(Qt.NoBrush)
for (nx, ny, nw, nh, obj) in self._kf.rects:
x = self._rect.left() + nx * W
y = self._rect.top() + ny * H
w = nw * W; h = nh * H
p.drawRect(QRectF(x, y, w, h))
self._draw_label(p, x + w + 4, y + 12, f"{obj}")
# Dots: positive = green; negative = red; with object labels
r_px = self.dot_radius_px
p.setPen(Qt.NoPen)
p.setBrush(QColor(55, 200, 90, 235)) # positive
for (nx, ny, obj) in self._kf.pos_clicks:
cx = self._rect.left()+nx*W; cy = self._rect.top()+ny*H
p.drawEllipse(QPointF(cx, cy), r_px, r_px)
self._draw_label(p, cx + r_px + 3, cy + 4, f"{obj}")
p.setBrush(QColor(230, 70, 70, 235)) # negative
for (nx, ny, obj) in self._kf.neg_clicks:
cx = self._rect.left()+nx*W; cy = self._rect.top()+ny*H
p.drawEllipse(QPointF(cx, cy), r_px, r_px)
self._draw_label(p, cx + r_px + 3, cy + 4, f"{obj}")
# Mouse handling
def mousePressEvent(self, e):
if e.button() == Qt.RightButton:
# right-click = delete nearest point or rect edge
nx, ny = self._normalize_point(e.pos())
self.requestDelete.emit(nx, ny)
e.accept()
return
if e.button() == Qt.LeftButton:
if self._tool == self.TOOL_RECT:
self._drawing = True
self._drag_start = e.pos()
self._drag_cur = self._drag_start
self.update()
else:
nx, ny = self._normalize_point(e.pos())
if self._tool == self.TOOL_POS:
self.addPositive.emit(nx, ny)
else:
self.addNegative.emit(nx, ny)
e.accept()
return
super().mousePressEvent(e)
def mouseMoveEvent(self, e):
if self._drawing and self._drag_start:
self._drag_cur = e.pos(); self.update(); e.accept(); return
super().mouseMoveEvent(e)
def mouseReleaseEvent(self, e):
if self._drawing and e.button() == Qt.LeftButton and self._drag_start and self._drag_cur:
r = self._make_rect(self._drag_start, self._drag_cur)
nx, ny, nw, nh = self._normalize_rect(r)
if nw > 0 and nh > 0: self.addRectangle.emit(nx, ny, nw, nh)
self._drawing = False; self._drag_start = None; self._drag_cur = None; self.update()
super().mouseReleaseEvent(e)
# Normalization utilities
def _normalize_point(self, pt: QPointF) -> Tuple[float, float]:
W = max(1.0, self._rect.width()); H = max(1.0, self._rect.height())
nx = (pt.x() - self._rect.left()) / W; ny = (pt.y() - self._rect.top()) / H
return max(0.0, min(1.0, nx)), max(0.0, min(1.0, ny))
def _normalize_rect(self, r: QRectF) -> Tuple[float, float, float, float]:
W = max(1.0, self._rect.width()); H = max(1.0, self._rect.height())
nx = (r.left() - self._rect.left()) / W; ny = (r.top() - self._rect.top()) / H
nw = r.width() / W; nh = r.height() / H
return (max(0.0, min(1.0, nx)), max(0.0, min(1.0, ny)),
max(0.0, min(1.0, nw)), max(0.0, min(1.0, nh)))
@staticmethod
def _make_rect(a: QPointF, b: QPointF) -> QRectF:
x1, y1 = a.x(), a.y(); x2, y2 = b.x(), b.y()
x, y = min(x1, x2), min(y1, y2); w, h = abs(x1-x2), abs(y1-y2)
return QRectF(x, y, w, h)
# ---------- VideoView with base layers + previews + overlay ----------
class VideoView(QGraphicsView):
def __init__(self, parent=None):
super().__init__(parent)
self.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform | QPainter.TextAntialiasing)
self.setFrameShape(QFrame.NoFrame)
self.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)
self.scene_ = QGraphicsScene(self); self.setScene(self.scene_)
self.setBackgroundBrush(QColor(18, 18, 22))
self.scene_.setSceneRect(QRectF(0, 0, 1280, 720))
# Base video items
self.video_item_orig = QGraphicsVideoItem(); self.video_item_orig.setZValue(0.0)
self.video_item_infill = QGraphicsVideoItem(); self.video_item_infill.setZValue(0.0); self.video_item_infill.setVisible(False)
self.scene_.addItem(self.video_item_orig)
self.scene_.addItem(self.video_item_infill)
# Infill RAM preview as a base pixmap (replaces file infill when active)
self.infill_preview_item = QGraphicsPixmapItem()
self.infill_preview_item.setZValue(0.0)
self.infill_preview_item.setVisible(False)
self.scene_.addItem(self.infill_preview_item)
# Mask (file-backed) as a video layer on top
self.mask_item = QGraphicsVideoItem(); self.mask_item.setZValue(10.0)
self.mask_item.setOpacity(0.4); self.mask_item.setVisible(False)
self.scene_.addItem(self.mask_item)
# Mask RAM preview as a pixmap layer on top
self.mask_preview_item = QGraphicsPixmapItem()
self.mask_preview_item.setZValue(15.0)
self.mask_preview_item.setVisible(False)
self.scene_.addItem(self.mask_preview_item)
# Annotation overlay above everything
rect = QRectF(0, 0, 1280, 720)
for it in (self.video_item_orig, self.video_item_infill, self.mask_item):
it.setSize(rect.size())
self.overlay_item = OverlayItem(rect); self.overlay_item.setZValue(20.0); self.scene_.addItem(self.overlay_item)
# Base visibility (original vs infilled)
def set_base_visible(self, which: str, use_infill_preview: bool = False):
if which == "original":
self.video_item_orig.setVisible(True)
self.video_item_infill.setVisible(False)
self.infill_preview_item.setVisible(False)
else:
self.video_item_orig.setVisible(False)
# If preview frames present, show preview pixmap instead of file infill
self.infill_preview_item.setVisible(use_infill_preview)
self.video_item_infill.setVisible(not use_infill_preview)
# Mask visibility / opacity
def set_mask_visible(self, vis: bool): self.mask_item.setVisible(vis)
def set_mask_opacity(self, alpha: float): self.mask_item.setOpacity(alpha)
# Mask preview helpers
def set_mask_preview_visible(self, vis: bool): self.mask_preview_item.setVisible(vis)
def set_mask_preview_opacity(self, alpha: float): self.mask_preview_item.setOpacity(alpha)
# Common pixmap scaling for both preview layers
def _fit_and_set_pixmap(self, item: QGraphicsPixmapItem, pix: QPixmap):
target = self.overlay_item.boundingRect()
if not target.isEmpty() and not pix.isNull():
scaled = pix.scaled(int(target.width()), int(target.height()),
Qt.IgnoreAspectRatio, Qt.SmoothTransformation)
item.setPixmap(scaled)
item.setPos(target.topLeft())
def set_mask_preview_pixmap(self, pix: QPixmap):
self._fit_and_set_pixmap(self.mask_preview_item, pix)
def set_infill_preview_pixmap(self, pix: QPixmap):
self._fit_and_set_pixmap(self.infill_preview_item, pix)
def resizeEvent(self, e):
super().resizeEvent(e)
view_rect = self.viewport().rect()
if view_rect.isEmpty(): return
base_item = self.video_item_infill if self.video_item_infill.isVisible() else self.video_item_orig
native = base_item.nativeSize()
if native.isValid(): src_w, src_h = native.width(), native.height()
else: src_w, src_h = 16, 9
dst_w, dst_h = view_rect.width(), view_rect.height()
src_ratio = src_w / src_h; dst_ratio = dst_w / max(1, dst_h)
if src_ratio > dst_ratio:
new_h = int(dst_w / src_ratio); x = 0; y = (dst_h - new_h) // 2; target = QRectF(x, y, dst_w, new_h)
else:
new_w = int(dst_h * src_ratio); x = (dst_w - new_w) // 2; y = 0; target = QRectF(x, y, new_w, dst_h)
for it in (self.video_item_orig, self.video_item_infill, self.mask_item):
it.setPos(target.topLeft()); it.setSize(target.size())
self.overlay_item.setRect(target)
self.scene_.setSceneRect(QRectF(0, 0, view_rect.width(), view_rect.height()))
# Reposition/scale current preview pixmaps to fit
if not self.mask_preview_item.pixmap().isNull():
self.set_mask_preview_pixmap(self.mask_preview_item.pixmap())
if not self.infill_preview_item.pixmap().isNull():
self.set_infill_preview_pixmap(self.infill_preview_item.pixmap())
# Thumbnails (draw overlay annotations)
def _draw_annotations_on_pixmap(self, pix: QPixmap, kf: Optional[Keyframe]) -> QPixmap:
# Early outs BEFORE creating a painter
if pix.isNull() or not kf:
return pix
rect = self.overlay_item.boundingRect()
vw = self.viewport().width()
vh = self.viewport().height()
if vw <= 0 or vh <= 0:
return pix
sx = pix.width() / vw
sy = pix.height() / vh
p = QPainter(pix)
try:
p.setRenderHint(QPainter.Antialiasing, True)
# label style
font = QFont(); font.setPointSize(8)
outline_pen = QPen(QColor(0,0,0,220), 2)
text_color = QColor(255,255,255,230)
# Rectangles
p.setPen(QPen(QColor(0, 200, 255, 220), 2)); p.setBrush(Qt.NoBrush)
for (nx, ny, nw, nh, obj) in kf.rects:
x = (rect.left() + nx * rect.width()) * sx
y = (rect.top() + ny * rect.height()) * sy
w = (nw * rect.width()) * sx; h = (nh * rect.height()) * sy
p.drawRect(QRectF(x, y, w, h))
p.setFont(font); p.setPen(outline_pen); p.drawText(x + w + 3, y + 10, f"{obj}")
p.setPen(text_color); p.drawText(x + w + 2, y + 9, f"{obj}")
# Dots
r_px = 5.0; p.setPen(Qt.NoPen)
p.setBrush(QColor(55, 200, 90, 235))
for (nx, ny, obj) in kf.pos_clicks:
x = (rect.left() + nx * rect.width()) * sx
y = (rect.top() + ny * rect.height()) * sy
p.drawEllipse(QPointF(x, y), r_px, r_px)
p.setFont(font); p.setPen(outline_pen); p.drawText(x + r_px + 2, y + 4, f"{obj}")
p.setPen(text_color); p.drawText(x + r_px + 1, y + 3, f"{obj}")
p.setBrush(QColor(230, 70, 70, 235))
for (nx, ny, obj) in kf.neg_clicks:
x = (rect.left() + nx * rect.width()) * sx
y = (rect.top() + ny * rect.height()) * sy
p.drawEllipse(QPointF(x, y), r_px, r_px)
p.setFont(font); p.setPen(outline_pen); p.drawText(x + r_px + 2, y + 4, f"{obj}")
p.setPen(text_color); p.drawText(x + r_px + 1, y + 3, f"{obj}")
finally:
p.end()
return pix
def grabThumbWithOverlay(self, kf: Optional[Keyframe], size: QSize) -> Optional[QIcon]:
view_rect = self.viewport().rect()
if view_rect.isEmpty():
return None
# Render the scene to an offscreen image (NO QWidget painting)
img = QImage(view_rect.size(), QImage.Format_ARGB32_Premultiplied)
img.fill(QColor(18, 18, 22))
p = QPainter(img)
try:
# target = whole image, source = what's currently visible in the view
self.scene_.render(
p,
QRectF(QPointF(0, 0), img.size()),
self.scene_.sceneRect()
)
finally:
p.end()
pix = QPixmap.fromImage(img)
# If you still want to force annotations into the thumb even when hidden,
# draw them ON THE PIXMAP (offscreen) – but do all early-outs before painter:
if kf:
pix = self._draw_annotations_on_pixmap(pix, kf)
thumb = pix.scaled(size, Qt.KeepAspectRatio, Qt.SmoothTransformation)
return QIcon(thumb)
# ---------- Clickable seek slider ----------
class SeekSlider(QSlider):
clickedValue = Signal(int)
def mousePressEvent(self, e):
if e.button() == Qt.LeftButton and self.orientation() == Qt.Horizontal:
x = e.position().x() if hasattr(e, "position") else e.pos().x()
ratio = max(0.0, min(1.0, x / max(1, self.width())))
val = int(self.minimum() + ratio * (self.maximum() - self.minimum()))
self.setValue(val); self.clickedValue.emit(val); e.accept(); return
super().mousePressEvent(e)
# ---------- Core Player ----------
class VideoPlayer(QWidget):
positionChanged = Signal(int) # ms for UI
def __init__(self, parent=None):
super().__init__(parent)
self.view = VideoView(self)
# Players
self.player_orig = QMediaPlayer(self) # master (audio)
self.player_infill = QMediaPlayer(self) # follower (file-backed infill)
self.mask_player = QMediaPlayer(self) # follower (file-backed mask)
# Audio
self.audio = QAudioOutput(self); self.audio.setVolume(0.9)
self.player_orig.setAudioOutput(self.audio)
self.player_infill.setAudioOutput(None)
self.mask_audio = QAudioOutput(self); self.mask_audio.setVolume(0.0)
self.mask_player.setAudioOutput(self.mask_audio)
# Video routing
self.player_orig.setVideoOutput(self.view.video_item_orig)
self.player_infill.setVideoOutput(self.view.video_item_infill)
self.mask_player.setVideoOutput(self.view.mask_item)
# Frame callbacks from master
self._master_sink: QVideoSink = self.view.video_item_orig.videoSink()
self._master_sink.videoFrameChanged.connect(self._on_master_frame_changed)
if hasattr(self.player_orig, "setNotifyInterval"):
try: self.player_orig.setNotifyInterval(0)
except Exception: pass
# Time/frame tracking
self._last_frame_ms: int = 0
self._last_frame_idx: int = 0
self._fps: Optional[float] = None # enforced from metadata
# Playback resync
self.resync_interval_ms = 120
self.resync_threshold_ms = 35
self._resync_timer = QTimer(self); self._resync_timer.setInterval(self.resync_interval_ms)
self._resync_timer.timeout.connect(self._playing_resync)
# Mode
self.show_mode = "original"
self.view.set_base_visible("original")
# Current object selection (1-based)
self.current_object: int = 1
# --- RAM mask preview state ---
self._mask_preview_frames: Optional[List[np.ndarray]] = None
self._mask_preview_start_frame: int = 0
# --- RAM infill preview state ---
self._infill_preview_frames: Optional[List[np.ndarray]] = None
self._infill_preview_start_frame: int = 0
# Keyframe bar
self.kf_list = QListWidget(); self.kf_list.setFlow(QListWidget.LeftToRight); self.kf_list.setWrapping(False)
self.kf_list.setFixedHeight(78); self.kf_list.setIconSize(QSize(128, 72))
self.kf_list.itemClicked.connect(self._on_kf_clicked)
# Transport
self.play_btn = QPushButton(self.style().standardIcon(QStyle.SP_MediaPlay), ""); self.play_btn.setFixedSize(QSize(36, 36))
self.stop_btn = QPushButton(self.style().standardIcon(QStyle.SP_MediaStop), ""); self.stop_btn.setFixedSize(QSize(36, 36))
self.play_btn.clicked.connect(self.toggle_play); self.stop_btn.clicked.connect(self.stop)
self.pos_slider = SeekSlider(Qt.Horizontal)
self.pos_slider.setRange(0, 0); self.pos_slider.setSingleStep(100); self.pos_slider.setPageStep(1000)
self.pos_slider.sliderMoved.connect(self.seek); self.pos_slider.sliderPressed.connect(self._slider_pressed)
self.pos_slider.sliderReleased.connect(self._slider_released); self._slider_down = False
self.pos_slider.clickedValue.connect(self.seek)
self.time_label = QLabel("00:00 / 00:00")
# Layout
layout = QVBoxLayout(self); layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(self.view, 1); layout.addWidget(self.kf_list)
controls = QHBoxLayout(); controls.setContentsMargins(10, 8, 10, 8); controls.setSpacing(12)
controls.addWidget(self.play_btn); controls.addWidget(self.stop_btn)
controls.addWidget(self.pos_slider, 1); controls.addWidget(self.time_label)
layout.addLayout(controls)
# Master signals
self.player_orig.positionChanged.connect(self._on_master_position_changed)
self.player_orig.durationChanged.connect(self._on_master_duration_changed)
self.player_orig.playbackStateChanged.connect(self._on_master_state_changed)
self.player_orig.mediaStatusChanged.connect(self._on_master_media_status)
self._poster_ready = False
# Overlay
ov = self.view.overlay_item
ov.addPositive.connect(self._on_add_positive)
ov.addNegative.connect(self._on_add_negative)
ov.addRectangle.connect(self._on_add_rect)
ov.requestDelete.connect(self._on_delete_at)
# Annotation store
self.keyframes: Dict[int, Keyframe] = {}
self._pending_icon_updates: set[int] = set()
def _seek_player_to_current_when_loaded(self, follower: QMediaPlayer):
"""Once follower has Loaded/Buffered, seek it to the master's current ms."""
target_ms = (frame_to_ms(self._last_frame_idx, self._fps)
if (self._fps and self._fps > 0)
else (self._last_frame_ms or self.player_orig.position() or 0))
def _on_status(status):
if status in (getattr(QMediaPlayer, "LoadedMedia", None),
getattr(QMediaPlayer, "BufferedMedia", None)):
follower.setPosition(target_ms)
# keep follower paused unless we’re actively playing
if self.player_orig.playbackState() == QMediaPlayer.PlayingState:
follower.play()
else:
follower.pause()
follower.mediaStatusChanged.disconnect(_on_status)
follower.mediaStatusChanged.connect(_on_status)
# ---------- Object selection ----------
def set_current_object(self, obj_id: int):
if obj_id >= 1:
self.current_object = obj_id
# ---------- Public API: load media ----------
def load_original(self, path: str):
p = str(Path(path).resolve())
self._poster_ready = False
self._fps = None
self.player_orig.setSource(QUrl.fromLocalFile(p))
def load_infilled(self, path: str):
# If a RAM preview exists, clear it so file-backed infill takes over.
if self._infill_preview_frames is not None:
self.clear_infill_preview()
self.player_infill.setSource(QUrl.fromLocalFile(str(Path(path).resolve())))
self._seek_player_to_current_when_loaded(self.player_infill)
def load_mask(self, path: str):
# If a RAM preview exists, clear it so file-backed mask takes over.
if self._mask_preview_frames is not None:
self.clear_mask_preview()
self.mask_player.setSource(QUrl.fromLocalFile(str(Path(path).resolve())))
self._seek_player_to_current_when_loaded(self.mask_player)
# ---------- RAM preview: shared utilities ----------
def _np_to_qpixmap(self, arr: np.ndarray) -> QPixmap:
"""Accept (H,W), (H,W,3), or (H,W,4) uint8 and return a QPixmap."""
if arr is None:
return QPixmap()
a = np.asarray(arr)
if a.dtype != np.uint8:
a = np.clip(a, 0, 255).astype(np.uint8)
if a.ndim == 2:
h, w = a.shape
a_rgb = np.repeat(a[:, :, None], 3, axis=2)
bytes_per_line = 3 * w
qimg = QImage(a_rgb.data, w, h, bytes_per_line, QImage.Format_RGB888).copy()
return QPixmap.fromImage(qimg)
if a.ndim == 3 and a.shape[2] == 3:
h, w, _ = a.shape
bytes_per_line = 3 * w
qimg = QImage(a.data, w, h, bytes_per_line, QImage.Format_RGB888).copy()
return QPixmap.fromImage(qimg)
if a.ndim == 3 and a.shape[2] == 4:
h, w, _ = a.shape
bytes_per_line = 4 * w
qimg = QImage(a.data, w, h, bytes_per_line, QImage.Format_RGBA8888).copy()
return QPixmap.fromImage(qimg)
# Fallback: coerce to RGB
a = a.reshape(a.shape[0], a.shape[1], -1)
if a.shape[2] >= 3:
return self._np_to_qpixmap(a[:, :, :3].copy())
return QPixmap()
# ---------- RAM preview: MASK ----------
def set_mask_preview_frames(self, frames: List[np.ndarray], start_frame: Optional[int] = None):
"""Provide a short RAM mask sequence. frames[i] -> mask for (start_frame + i)."""
if not frames:
self.clear_mask_preview()
return
if start_frame is None:
start_frame = self._current_frame_idx() if (self._fps and self._fps > 0) else 0
self._mask_preview_frames = frames
self._mask_preview_start_frame = int(start_frame)
# If mask is visible, switch to preview layer; else keep hidden until user toggles
if self.view.mask_item.isVisible() or True:
# hide file-mask (we'll manage it in set_mask_visible)
self.view.set_mask_visible(False)
self.view.set_mask_preview_visible(True)
self.view.set_mask_preview_opacity(0.5)#we overwrite the opactity here
self._update_mask_preview_for_frame(self._current_frame_idx())
def clear_mask_preview(self):
self._mask_preview_frames = None
self._mask_preview_start_frame = 0
self.view.set_mask_preview_visible(False)
def _update_mask_preview_for_frame(self, frame_idx: int):
if not self._mask_preview_frames:
return
i = frame_idx - self._mask_preview_start_frame
if i < 0 or i >= len(self._mask_preview_frames):
self.view.set_mask_preview_visible(False)
return
arr = self._mask_preview_frames[i]
pix = self._np_to_qpixmap(arr)
if not pix.isNull():
self.view.set_mask_preview_visible(True)
self.view.set_mask_preview_pixmap(pix)
# ---------- RAM preview: INFILL ----------
def set_infill_preview_frames(self, frames: List[np.ndarray], start_frame: Optional[int] = None):
"""Provide a short RAM infill sequence that acts as the base when mode='infilled'."""
if not frames:
self.clear_infill_preview()
return
if start_frame is None:
start_frame = self._current_frame_idx() if (self._fps and self._fps > 0) else 0
self._infill_preview_frames = frames
self._infill_preview_start_frame = int(start_frame)
# If in 'infilled' mode, show the preview pixmap base instead of file-backed infill
if self.show_mode == "infilled":
self.view.set_base_visible("infilled", use_infill_preview=True)
self._update_infill_preview_for_frame(self._current_frame_idx())
def clear_infill_preview(self):
self._infill_preview_frames = None
self._infill_preview_start_frame = 0
# If currently in 'infilled' mode, switch back to file-backed infill visibility
if self.show_mode == "infilled":
self.view.set_base_visible("infilled", use_infill_preview=False)
def _update_infill_preview_for_frame(self, frame_idx: int):
if not self._infill_preview_frames:
return
if self.show_mode != "infilled":
return
i = frame_idx - self._infill_preview_start_frame
if i < 0 or i >= len(self._infill_preview_frames):
# out of range; hide preview (black) to avoid stale frame
self.view.infill_preview_item.setVisible(False)
return
arr = self._infill_preview_frames[i]
pix = self._np_to_qpixmap(arr)
if not pix.isNull():
self.view.infill_preview_item.setVisible(True)
self.view.set_infill_preview_pixmap(pix)
# ---------- Slider handlers ----------
def _slider_pressed(self): self._slider_down = True
def _slider_released(self):
self._slider_down = False
self.seek(self.pos_slider.value())
QTimer.singleShot(30, lambda: self.pos_slider.setValue(self._last_frame_ms))
# ---------- Mode ----------
def set_mode(self, mode: str):
if mode == self.show_mode: return
was_playing = (self.player_orig.playbackState() == QMediaPlayer.PlayingState)
self.pause_all()
self.show_mode = mode
use_preview = (mode == "infilled" and self._infill_preview_frames is not None)
self.view.set_base_visible(mode, use_infill_preview=use_preview)
if was_playing: self.play_all()
else: self._snap_all_to(self._last_frame_ms or self.player_orig.position())
# ---------- Mask visibility/opacity ----------
def set_mask_visible(self, vis: bool):
# If RAM preview exists, toggle that; else toggle file-backed mask player
has_preview = (self._mask_preview_frames is not None)
self.view.set_mask_preview_visible(vis and has_preview)
self.view.set_mask_visible(vis and not has_preview)
cur = self._last_frame_ms or self.player_orig.position()
if vis and not has_preview:
if self.player_orig.playbackState() == QMediaPlayer.PlayingState:
self.mask_player.setPosition(cur); self.mask_player.play()
else:
self.mask_player.pause(); self.mask_player.setPosition(cur)
else:
self.mask_player.pause()
if vis and has_preview:
self._update_mask_preview_for_frame(self._current_frame_idx())
def set_mask_opacity(self, value: int):
alpha = max(0.0, min(1.0, value / 100.0))
self.view.set_mask_opacity(alpha)
self.view.set_mask_preview_opacity(alpha)
# ---------- Transport ----------
def toggle_play(self):
if self.player_orig.playbackState() == QMediaPlayer.PlayingState: self.pause_all()
else: self.play_all()
def play_all(self):
cur = self._last_frame_ms or self.player_orig.position()
# Master
self.player_orig.setPosition(cur); self.player_orig.play()
# Infilled: only play file-backed when visible and no preview
if self.show_mode == "infilled" and self._infill_preview_frames is None:
self.player_infill.setPosition(cur); self.player_infill.play()
else:
self.player_infill.pause()
# Mask: only play when visible AND no preview
if self.view.mask_item.isVisible() and self._mask_preview_frames is None:
self.mask_player.setPosition(cur); self.mask_player.play()
else:
self.mask_player.pause()
self._resync_timer.start()
def pause_all(self):
self.player_orig.pause(); self.player_infill.pause(); self.mask_player.pause()
self._resync_timer.stop()
self._snap_all_to(self._last_frame_ms or self.player_orig.position())
def stop(self):
self.seek(0)
def seek(self, pos_ms: int):
self.player_orig.setPosition(pos_ms)
if self.show_mode == "infilled" and self._infill_preview_frames is None:
self.player_infill.setPosition(pos_ms)
if self.view.mask_item.isVisible() and self._mask_preview_frames is None:
self.mask_player.setPosition(pos_ms)
self._last_frame_ms = pos_ms
if not self._slider_down: self.pos_slider.setValue(pos_ms)
self.time_label.setText(f"{fmt_ms(pos_ms)} / {fmt_ms(self.player_orig.duration() or 0)}")
if self._fps is not None and self._fps > 0:
self._last_frame_idx = ms_to_frame(pos_ms, self._fps)
self.view.overlay_item.setKeyframe(self.keyframes.get(self._last_frame_idx))
# Update RAM previews (if present)
self._update_mask_preview_for_frame(self._last_frame_idx)
self._update_infill_preview_for_frame(self._last_frame_idx)
self.view.viewport().update()
if self.player_orig.playbackState() != QMediaPlayer.PlayingState:
self._snap_all_to(pos_ms)
def set_volume(self, value: int): self.audio.setVolume(max(0.0, min(1.0, value / 100.0)))
# ---------- Frame-driven UI (decoded master frames) ----------
def _on_master_frame_changed(self, frame):
ts_us = frame.startTime()
pos_ms = int(ts_us // 1000) if (ts_us is not None and ts_us >= 0) else self.player_orig.position()
self._last_frame_ms = pos_ms
if self._fps is not None and self._fps > 0:
self._last_frame_idx = ms_to_frame(pos_ms, self._fps)
if not self._slider_down:
self.pos_slider.setValue(pos_ms)
self.time_label.setText(f"{fmt_ms(pos_ms)} / {fmt_ms(self.player_orig.duration() or 0)}")
self.view.overlay_item.setKeyframe(self.keyframes.get(self._last_frame_idx))
# Advance RAM previews if present
self._update_mask_preview_for_frame(self._last_frame_idx)
self._update_infill_preview_for_frame(self._last_frame_idx)
# ---------- Periodic resync while playing ----------
def _playing_resync(self):
if self.player_orig.playbackState() != QMediaPlayer.PlayingState: return
master_ms = self._last_frame_ms or self.player_orig.position()
# Infilled drift correction only if file-backed infill is active
if self.show_mode == "infilled" and self._infill_preview_frames is None:
d = abs((self.player_infill.position() or 0) - master_ms)
if d > self.resync_threshold_ms: self.player_infill.setPosition(master_ms)
# Mask drift correction only if file-backed mask is active & visible
if self.view.mask_item.isVisible() and self._mask_preview_frames is None:
d = abs((self.mask_player.position() or 0) - master_ms)
if d > self.resync_threshold_ms: self.mask_player.setPosition(master_ms)
def _snap_all_to(self, pos_ms: int, snap_orig=False):
if snap_orig: self.player_orig.setPosition(pos_ms)
if self.show_mode == "infilled" and self._infill_preview_frames is None:
self.player_infill.setPosition(pos_ms)
if self.view.mask_item.isVisible() and self._mask_preview_frames is None:
self.mask_player.setPosition(pos_ms)
if self._fps is not None and self._fps > 0:
self._last_frame_idx = ms_to_frame(pos_ms, self._fps)
self.view.overlay_item.setKeyframe(self.keyframes.get(self._last_frame_idx))
# Update RAM previews too
self._update_mask_preview_for_frame(self._last_frame_idx)
self._update_infill_preview_for_frame(self._last_frame_idx)
self.pos_slider.setValue(pos_ms)
self.time_label.setText(f"{fmt_ms(pos_ms)} / {fmt_ms(self.player_orig.duration() or 0)}")
self.view.viewport().update()
# ---------- Enforce FPS on media load + poster frame ----------
def _on_master_media_status(self, status):
if status == QMediaPlayer.EndOfMedia:
self.pause_all() # make sure followers pause too
self.seek(0) # jump to frame 0 / 00:00
return
if self._poster_ready: return
if status in (getattr(QMediaPlayer, "LoadedMedia", None),
getattr(QMediaPlayer, "BufferedMedia", None)):
# enforce FPS from metadata
if self._fps is None:
fps = self.player_orig.metaData().value(QMediaMetaData.VideoFrameRate)
if fps is None:
raise ValueError("Video FPS could not be determined from metadata. Re-encode or provide valid FPS.")
try:
fps_val = float(fps)
except Exception:
raise ValueError(f"Invalid FPS metadata value: {fps!r}")
if fps_val <= 0:
raise ValueError(f"Non-positive FPS in metadata: {fps_val}")
self._fps = fps_val
print(f"[INFO] FPS (metadata): {self._fps:.3f}")
if self.player_orig.playbackState() != QMediaPlayer.PlayingState:
QTimer.singleShot(0, self._show_first_master_frame)
def _show_first_master_frame(self):
if self.player_orig.playbackState() == QMediaPlayer.PlayingState:
self._poster_ready = True; return
try:
self.player_orig.setPosition(0)
self.player_orig.play()
QTimer.singleShot(0, self.player_orig.pause)
except Exception:
self.player_orig.setPosition(0)
self._last_frame_ms = 0
if self._fps is not None and self._fps > 0:
self._last_frame_idx = 0
self.view.overlay_item.setKeyframe(self.keyframes.get(0))
# Ensure base visibility reflects current mode + preview state
use_preview = (self.show_mode == "infilled" and self._infill_preview_frames is not None)
self.view.set_base_visible(self.show_mode, use_infill_preview=use_preview)
# Keep file followers at t=0 (if active)
if self.show_mode == "infilled" and self._infill_preview_frames is None:
self.player_infill.pause(); self.player_infill.setPosition(0)
if self.view.mask_item.isVisible() and self._mask_preview_frames is None:
self.mask_player.pause(); self.mask_player.setPosition(0)
# Update RAM previews for frame 0
self._update_mask_preview_for_frame(0)
self._update_infill_preview_for_frame(0)
self.pos_slider.setValue(0)
self.time_label.setText(f"{fmt_ms(0)} / {fmt_ms(self.player_orig.duration() or 0)}")
self.view.viewport().update()
self._poster_ready = True
# ---------- Master UI handlers ----------
def _on_master_position_changed(self, position):
if not self._slider_down: self.pos_slider.setValue(position)
self.positionChanged.emit(position)
def _on_master_duration_changed(self, duration):
self.pos_slider.setRange(0, duration)
self.time_label.setText(f"{fmt_ms(self._last_frame_ms or self.player_orig.position() or 0)} / {fmt_ms(duration)}")
def _on_master_state_changed(self, state):
self.play_btn.setIcon(self.style().standardIcon(
QStyle.SP_MediaPause if state == QMediaPlayer.PlayingState else QStyle.SP_MediaPlay
))
if state != QMediaPlayer.PlayingState:
self._snap_all_to(self._last_frame_ms or self.player_orig.position(), True)
# ---------- Keyframe helpers (by frame index) ----------
def _current_frame_idx(self) -> int:
return self._last_frame_idx
def _get_or_make_kf(self, frame_idx: Optional[int] = None, add_chip=True) -> Keyframe:
if frame_idx is None: frame_idx = self._current_frame_idx()
kf = self.keyframes.get(frame_idx)
if not kf:
kf = Keyframe(frame_idx=frame_idx); self.keyframes[frame_idx] = kf
if add_chip: self._add_kf_chip(kf, with_icon=True)
return kf
def _add_kf_chip(self, kf: Keyframe, with_icon: bool = True):
fi = kf.frame_idx
if self._find_kf_item_by_frame(fi) is not None: return
insert_row = self.kf_list.count()
for row in range(self.kf_list.count()):
it = self.kf_list.item(row); t = it.data(Qt.UserRole)
if t is not None and fi < t: insert_row = row; break