| # Copyright (C) 2023 Deforum LLC | |
| # | |
| # This program is free software: you can redistribute it and/or modify | |
| # it under the terms of the GNU Affero General Public License as published by | |
| # the Free Software Foundation, version 3 of the License. | |
| # | |
| # This program is distributed in the hope that it will be useful, | |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| # GNU General Public License for more details. | |
| # | |
| # You should have received a copy of the GNU Affero General Public License | |
| # along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| # Contact the authors: https://deforum.github.io/ | |
| import os | |
| import cv2 | |
| from modules.shared import opts | |
| # Resume requires at least two actual frames in order to work | |
| # 'Actual' frames are defined as frames that go through generation | |
| # - Can't resume from a single frame. | |
| # - If you have a cadence of 10, you need at least 10 frames in order to resume. | |
| # - Resume grabs the last actual frame and the 2nd to last actual frame | |
| # in order to work with cadence properly and feed it the prev_img/next_img | |
| def get_resume_vars(folder, timestring, cadence): | |
| DEBUG_MODE = opts.data.get("deforum_debug_mode_enabled", False) | |
| # count previous frames | |
| frame_count = 0 | |
| for item in os.listdir(folder): | |
| # don't count txt files or mp4 files | |
| if ".txt" in item or ".mp4" in item: | |
| pass | |
| else: | |
| filename = item.split("_") | |
| # other image file types may be supported in the future, | |
| # so we just count files containing timestring | |
| # that don't contain the depth keyword (depth maps are saved in same folder) | |
| if timestring in filename and "depth" not in filename: | |
| frame_count += 1 | |
| # add this to debugging var | |
| if DEBUG_MODE: | |
| print(f"\033[36mResuming:\033[0m File: {filename}") | |
| print(f"\033[36mResuming:\033[0m Current frame count: {frame_count}") | |
| # get last frame from frame count corrected for any trailing cadence frames | |
| last_frame = frame_count - (frame_count % cadence) | |
| # calculate previous actual frame | |
| prev_frame = last_frame - cadence | |
| # calculate next actual frame | |
| next_frame = last_frame - 1 | |
| # get prev_img/next_img from prev/next frame index (files start at 0, so subtract 1 for index var) | |
| path = os.path.join(folder, f"{timestring}_{prev_frame:09}.png") | |
| prev_img = cv2.imread(path) | |
| path = os.path.join(folder, f"{timestring}_{next_frame:09}.png") | |
| next_img = cv2.imread(path) | |
| # report resume last/next in console | |
| print(f"\033[36mResuming:\033[0m Last frame: {prev_frame} - Next frame: {next_frame} ") | |
| # returns: | |
| # last frame count, accounting for cadence | |
| # next frame count, accounting for cadence | |
| # prev frame's image cv2 BGR | |
| # next frame's image cv2 BGR | |
| return prev_frame, next_frame, prev_img, next_img | |