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| import os | |
| import subprocess | |
| import tempfile | |
| from typing import List, Optional | |
| import filetype | |
| from facefusion import logger, process_manager, state_manager | |
| from facefusion.filesystem import remove_file | |
| from facefusion.temp_helper import get_temp_file_path, get_temp_frames_pattern | |
| from facefusion.typing import AudioBuffer, Fps, OutputVideoPreset | |
| from facefusion.vision import restrict_video_fps | |
| def run_ffmpeg(args : List[str]) -> subprocess.Popen[bytes]: | |
| commands = [ 'ffmpeg', '-hide_banner', '-loglevel', 'error' ] | |
| commands.extend(args) | |
| process = subprocess.Popen(commands, stderr = subprocess.PIPE, stdout = subprocess.PIPE) | |
| while process_manager.is_processing(): | |
| try: | |
| if state_manager.get_item('log_level') == 'debug': | |
| log_debug(process) | |
| process.wait(timeout = 0.5) | |
| except subprocess.TimeoutExpired: | |
| continue | |
| return process | |
| if process_manager.is_stopping(): | |
| process.terminate() | |
| return process | |
| def open_ffmpeg(args : List[str]) -> subprocess.Popen[bytes]: | |
| commands = [ 'ffmpeg', '-hide_banner', '-loglevel', 'quiet' ] | |
| commands.extend(args) | |
| return subprocess.Popen(commands, stdin = subprocess.PIPE, stdout = subprocess.PIPE) | |
| def log_debug(process : subprocess.Popen[bytes]) -> None: | |
| _, stderr = process.communicate() | |
| errors = stderr.decode().split(os.linesep) | |
| for error in errors: | |
| if error.strip(): | |
| logger.debug(error.strip(), __name__.upper()) | |
| def extract_frames(target_path : str, temp_video_resolution : str, temp_video_fps : Fps) -> bool: | |
| trim_frame_start = state_manager.get_item('trim_frame_start') | |
| trim_frame_end = state_manager.get_item('trim_frame_end') | |
| temp_frames_pattern = get_temp_frames_pattern(target_path, '%08d') | |
| commands = [ '-i', target_path, '-s', str(temp_video_resolution), '-q:v', '0' ] | |
| if isinstance(trim_frame_start, int) and isinstance(trim_frame_end, int): | |
| commands.extend([ '-vf', 'trim=start_frame=' + str(trim_frame_start) + ':end_frame=' + str(trim_frame_end) + ',fps=' + str(temp_video_fps) ]) | |
| elif isinstance(trim_frame_start, int): | |
| commands.extend([ '-vf', 'trim=start_frame=' + str(trim_frame_start) + ',fps=' + str(temp_video_fps) ]) | |
| elif isinstance(trim_frame_end, int): | |
| commands.extend([ '-vf', 'trim=end_frame=' + str(trim_frame_end) + ',fps=' + str(temp_video_fps) ]) | |
| else: | |
| commands.extend([ '-vf', 'fps=' + str(temp_video_fps) ]) | |
| commands.extend([ '-vsync', '0', temp_frames_pattern ]) | |
| return run_ffmpeg(commands).returncode == 0 | |
| def merge_video(target_path : str, output_video_resolution : str, output_video_fps : Fps) -> bool: | |
| temp_video_fps = restrict_video_fps(target_path, output_video_fps) | |
| temp_file_path = get_temp_file_path(target_path) | |
| temp_frames_pattern = get_temp_frames_pattern(target_path, '%08d') | |
| commands = [ '-r', str(temp_video_fps), '-i', temp_frames_pattern, '-s', str(output_video_resolution), '-c:v', state_manager.get_item('output_video_encoder') ] | |
| if state_manager.get_item('output_video_encoder') in [ 'libx264', 'libx265' ]: | |
| output_video_compression = round(51 - (state_manager.get_item('output_video_quality') * 0.51)) | |
| commands.extend([ '-crf', str(output_video_compression), '-preset', state_manager.get_item('output_video_preset') ]) | |
| if state_manager.get_item('output_video_encoder') in [ 'libvpx-vp9' ]: | |
| output_video_compression = round(63 - (state_manager.get_item('output_video_quality') * 0.63)) | |
| commands.extend([ '-crf', str(output_video_compression) ]) | |
| if state_manager.get_item('output_video_encoder') in [ 'h264_nvenc', 'hevc_nvenc' ]: | |
| output_video_compression = round(51 - (state_manager.get_item('output_video_quality') * 0.51)) | |
| commands.extend([ '-cq', str(output_video_compression), '-preset', map_nvenc_preset(state_manager.get_item('output_video_preset')) ]) | |
| if state_manager.get_item('output_video_encoder') in [ 'h264_amf', 'hevc_amf' ]: | |
| output_video_compression = round(51 - (state_manager.get_item('output_video_quality') * 0.51)) | |
| commands.extend([ '-qp_i', str(output_video_compression), '-qp_p', str(output_video_compression), '-quality', map_amf_preset(state_manager.get_item('output_video_preset')) ]) | |
| if state_manager.get_item('output_video_encoder') in [ 'h264_videotoolbox', 'hevc_videotoolbox' ]: | |
| commands.extend([ '-q:v', str(state_manager.get_item('output_video_quality')) ]) | |
| commands.extend([ '-vf', 'framerate=fps=' + str(output_video_fps), '-pix_fmt', 'yuv420p', '-colorspace', 'bt709', '-y', temp_file_path ]) | |
| return run_ffmpeg(commands).returncode == 0 | |
| def concat_video(output_path : str, temp_output_paths : List[str]) -> bool: | |
| concat_video_path = tempfile.mktemp() | |
| with open(concat_video_path, 'w') as concat_video_file: | |
| for temp_output_path in temp_output_paths: | |
| concat_video_file.write('file \'' + os.path.abspath(temp_output_path) + '\'' + os.linesep) | |
| concat_video_file.flush() | |
| concat_video_file.close() | |
| commands = [ '-f', 'concat', '-safe', '0', '-i', concat_video_file.name, '-c:v', 'copy', '-c:a', state_manager.get_item('output_audio_encoder'), '-y', os.path.abspath(output_path) ] | |
| process = run_ffmpeg(commands) | |
| process.communicate() | |
| remove_file(concat_video_path) | |
| return process.returncode == 0 | |
| def copy_image(target_path : str, temp_image_resolution : str) -> bool: | |
| temp_file_path = get_temp_file_path(target_path) | |
| temp_image_compression = calc_image_compression(target_path, 100) | |
| commands = [ '-i', target_path, '-s', str(temp_image_resolution), '-q:v', str(temp_image_compression), '-y', temp_file_path ] | |
| return run_ffmpeg(commands).returncode == 0 | |
| def finalize_image(target_path : str, output_path : str, output_image_resolution : str) -> bool: | |
| temp_file_path = get_temp_file_path(target_path) | |
| output_image_compression = calc_image_compression(target_path, state_manager.get_item('output_image_quality')) | |
| commands = [ '-i', temp_file_path, '-s', str(output_image_resolution), '-q:v', str(output_image_compression), '-y', output_path ] | |
| return run_ffmpeg(commands).returncode == 0 | |
| def calc_image_compression(image_path : str, image_quality : int) -> int: | |
| is_webp = filetype.guess_mime(image_path) == 'image/webp' | |
| if is_webp: | |
| image_quality = 100 - image_quality | |
| return round(31 - (image_quality * 0.31)) | |
| def read_audio_buffer(target_path : str, sample_rate : int, channel_total : int) -> Optional[AudioBuffer]: | |
| commands = [ '-i', target_path, '-vn', '-f', 's16le', '-acodec', 'pcm_s16le', '-ar', str(sample_rate), '-ac', str(channel_total), '-' ] | |
| process = open_ffmpeg(commands) | |
| audio_buffer, _ = process.communicate() | |
| if process.returncode == 0: | |
| return audio_buffer | |
| return None | |
| def restore_audio(target_path : str, output_path : str, output_video_fps : Fps) -> bool: | |
| trim_frame_start = state_manager.get_item('trim_frame_start') | |
| trim_frame_end = state_manager.get_item('trim_frame_end') | |
| temp_file_path = get_temp_file_path(target_path) | |
| commands = [ '-i', temp_file_path ] | |
| if isinstance(trim_frame_start, int): | |
| start_time = trim_frame_start / output_video_fps | |
| commands.extend([ '-ss', str(start_time) ]) | |
| if isinstance(trim_frame_end, int): | |
| end_time = trim_frame_end / output_video_fps | |
| commands.extend([ '-to', str(end_time) ]) | |
| commands.extend([ '-i', target_path, '-c:v', 'copy', '-c:a', state_manager.get_item('output_audio_encoder'), '-map', '0:v:0', '-map', '1:a:0', '-shortest', '-y', output_path ]) | |
| return run_ffmpeg(commands).returncode == 0 | |
| def replace_audio(target_path : str, audio_path : str, output_path : str) -> bool: | |
| temp_file_path = get_temp_file_path(target_path) | |
| commands = [ '-i', temp_file_path, '-i', audio_path, '-c:a', state_manager.get_item('output_audio_encoder'), '-af', 'apad', '-shortest', '-y', output_path ] | |
| return run_ffmpeg(commands).returncode == 0 | |
| def map_nvenc_preset(output_video_preset : OutputVideoPreset) -> Optional[str]: | |
| if output_video_preset in [ 'ultrafast', 'superfast', 'veryfast', 'faster', 'fast' ]: | |
| return 'fast' | |
| if output_video_preset == 'medium': | |
| return 'medium' | |
| if output_video_preset in [ 'slow', 'slower', 'veryslow' ]: | |
| return 'slow' | |
| return None | |
| def map_amf_preset(output_video_preset : OutputVideoPreset) -> Optional[str]: | |
| if output_video_preset in [ 'ultrafast', 'superfast', 'veryfast' ]: | |
| return 'speed' | |
| if output_video_preset in [ 'faster', 'fast', 'medium' ]: | |
| return 'balanced' | |
| if output_video_preset in [ 'slow', 'slower', 'veryslow' ]: | |
| return 'quality' | |
| return None | |