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Diffstat (limited to 'power_sequencer/operators/align_audios.py')
| -rw-r--r-- | power_sequencer/operators/align_audios.py | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/power_sequencer/operators/align_audios.py b/power_sequencer/operators/align_audios.py deleted file mode 100644 index 0bd99aba..00000000 --- a/power_sequencer/operators/align_audios.py +++ /dev/null @@ -1,110 +0,0 @@ -# -# Copyright (C) 2016-2020 by Nathan Lovato, Daniel Oakey, Razvan Radulescu, and contributors -# -# This file is part of Power Sequencer. -# -# Power Sequencer is free software: you can redistribute it and/or modify it under the terms of the -# GNU General Public License as published by the Free Software Foundation, either version 3 of the -# License, or (at your option) any later version. -# -# Power Sequencer 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 General Public License along with Power Sequencer. If -# not, see <https://www.gnu.org/licenses/>. -# -import bpy -import subprocess - -from .utils.doc import doc_name, doc_idname, doc_brief, doc_description - - -class POWER_SEQUENCER_OT_align_audios(bpy.types.Operator): - """*brief* Align two audio strips - - - Tries to synchronize the selected audio strip to the active audio strip by comparing the sound. - Useful to synchronize audio of the same event recorded with different microphones. - - To use this feature, you must have [ffmpeg](https://www.ffmpeg.org/download.html) and - [scipy](https://www.scipy.org/install.html) installed on your computer and available on the PATH (command line) to work. - - The longer the audio files, the longer the tool can take to run, as it has to convert, analyze, - and compare the audio sources to work. - """ - - doc = { - "name": doc_name(__qualname__), - "demo": "https://i.imgur.com/xkBUzDj.gif", - "description": doc_description(__doc__), - "shortcuts": [], - "keymap": "Sequencer", - } - bl_idname = doc_idname(__qualname__) - bl_label = doc["name"] - bl_description = doc_brief(doc["description"]) - bl_options = {"REGISTER", "UNDO"} - - @classmethod - def poll(cls, context): - if not context.scene: - return False - - active = context.scene.sequence_editor.active_strip - selected = context.selected_sequences - ok = ( - len(selected) == 2 - and active in selected - and all(map(lambda s: s.type == "SOUND", selected)) - ) - return ok - - def execute(self, context): - try: - import scipy - except ImportError: - self.report({"ERROR"}, "Scipy must be installed to align audios") - return {"FINISHED"} - - if not is_ffmpeg_available(): - self.report({"ERROR"}, "ffmpeg must be installed to align audios") - return {"FINISHED"} - - # This import is here because otherwise, it slows down blender startup - from .audiosync import find_offset - - scene = context.scene - - active = scene.sequence_editor.active_strip - active_filepath = bpy.path.abspath(active.sound.filepath) - - selected = context.selected_sequences - selected.pop(selected.index(active)) - - align_strip = selected[0] - align_strip_filepath = bpy.path.abspath(align_strip.sound.filepath) - - offset, score = find_offset(align_strip_filepath, active_filepath) - - initial_offset = active.frame_start - align_strip.frame_start - - fps = scene.render.fps / scene.render.fps_base - frames = int(offset * fps) - - align_strip.frame_start -= frames - initial_offset - - self.report({"INFO"}, "Alignment score: " + str(round(score, 1))) - - return {"FINISHED"} - - -def is_ffmpeg_available(): - """ - Returns true if ffmpeg is installed and available from the PATH - """ - try: - subprocess.call(["ffmpeg", "--help"], stdout=subprocess.PIPE, stderr=subprocess.PIPE) - return True - except OSError: - return False |