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| from typing import List, Optional | |
| import os | |
| import subprocess | |
| import filetype | |
| import facefusion.globals | |
| from facefusion import logger, process_manager | |
| from facefusion.typing import OutputVideoPreset, Fps, AudioBuffer | |
| from facefusion.filesystem import get_temp_frames_pattern, get_temp_output_video_path | |
| from facefusion.vision import restrict_video_fps | |
| def run_ffmpeg(args : List[str]) -> bool: | |
| 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 facefusion.globals.log_level == 'debug': | |
| log_debug(process) | |
| return process.wait(timeout = 0.5) == 0 | |
| except subprocess.TimeoutExpired: | |
| continue | |
| return process.returncode == 0 | |
| 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 = facefusion.globals.trim_frame_start | |
| trim_frame_end = facefusion.globals.trim_frame_end | |
| temp_frames_pattern = get_temp_frames_pattern(target_path, '%04d') | |
| commands = [ '-i', target_path, '-s', str(temp_video_resolution), '-q:v', '0' ] | |
| if trim_frame_start is not None and trim_frame_end is not None: | |
| commands.extend([ '-vf', 'trim=start_frame=' + str(trim_frame_start) + ':end_frame=' + str(trim_frame_end) + ',fps=' + str(temp_video_fps) ]) | |
| elif trim_frame_start is not None: | |
| commands.extend([ '-vf', 'trim=start_frame=' + str(trim_frame_start) + ',fps=' + str(temp_video_fps) ]) | |
| elif trim_frame_end is not None: | |
| 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) | |
| 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_output_video_path = get_temp_output_video_path(target_path) | |
| temp_frames_pattern = get_temp_frames_pattern(target_path, '%04d') | |
| commands = [ '-r', str(temp_video_fps), '-i', temp_frames_pattern, '-s', str(output_video_resolution), '-c:v', facefusion.globals.output_video_encoder ] | |
| if facefusion.globals.output_video_encoder in [ 'libx264', 'libx265' ]: | |
| output_video_compression = round(51 - (facefusion.globals.output_video_quality * 0.51)) | |
| commands.extend([ '-crf', str(output_video_compression), '-preset', facefusion.globals.output_video_preset ]) | |
| if facefusion.globals.output_video_encoder in [ 'libvpx-vp9' ]: | |
| output_video_compression = round(63 - (facefusion.globals.output_video_quality * 0.63)) | |
| commands.extend([ '-crf', str(output_video_compression) ]) | |
| if facefusion.globals.output_video_encoder in [ 'h264_nvenc', 'hevc_nvenc' ]: | |
| output_video_compression = round(51 - (facefusion.globals.output_video_quality * 0.51)) | |
| commands.extend([ '-cq', str(output_video_compression), '-preset', map_nvenc_preset(facefusion.globals.output_video_preset) ]) | |
| if facefusion.globals.output_video_encoder in [ 'h264_amf', 'hevc_amf' ]: | |
| output_video_compression = round(51 - (facefusion.globals.output_video_quality * 0.51)) | |
| commands.extend([ '-qp_i', str(output_video_compression), '-qp_p', str(output_video_compression), '-quality', map_amf_preset(facefusion.globals.output_video_preset) ]) | |
| commands.extend([ '-vf', 'framerate=fps=' + str(output_video_fps), '-pix_fmt', 'yuv420p', '-colorspace', 'bt709', '-y', temp_output_video_path ]) | |
| return run_ffmpeg(commands) | |
| def copy_image(target_path : str, output_path : str, temp_image_resolution : str) -> bool: | |
| is_webp = filetype.guess_mime(target_path) == 'image/webp' | |
| temp_image_compression = 100 if is_webp else 0 | |
| commands = [ '-i', target_path, '-s', str(temp_image_resolution), '-q:v', str(temp_image_compression), '-y', output_path ] | |
| return run_ffmpeg(commands) | |
| def finalize_image(output_path : str, output_image_resolution : str) -> bool: | |
| output_image_compression = round(31 - (facefusion.globals.output_image_quality * 0.31)) | |
| commands = [ '-i', output_path, '-s', str(output_image_resolution), '-q:v', str(output_image_compression), '-y', output_path ] | |
| return run_ffmpeg(commands) | |
| 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 = facefusion.globals.trim_frame_start | |
| trim_frame_end = facefusion.globals.trim_frame_end | |
| temp_output_video_path = get_temp_output_video_path(target_path) | |
| commands = [ '-i', temp_output_video_path ] | |
| if trim_frame_start is not None: | |
| start_time = trim_frame_start / output_video_fps | |
| commands.extend([ '-ss', str(start_time) ]) | |
| if trim_frame_end is not None: | |
| end_time = trim_frame_end / output_video_fps | |
| commands.extend([ '-to', str(end_time) ]) | |
| commands.extend([ '-i', target_path, '-c', 'copy', '-map', '0:v:0', '-map', '1:a:0', '-shortest', '-y', output_path ]) | |
| return run_ffmpeg(commands) | |
| def replace_audio(target_path : str, audio_path : str, output_path : str) -> bool: | |
| temp_output_path = get_temp_output_video_path(target_path) | |
| commands = [ '-i', temp_output_path, '-i', audio_path, '-af', 'apad', '-shortest', '-y', output_path ] | |
| return run_ffmpeg(commands) | |
| 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 | |