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import itertools
import shutil
from typing import Optional
import numpy
from facefusion.filesystem import get_file_format
from facefusion.types import AudioEncoder, Commands, Duration, Fps, StreamMode, VideoEncoder, VideoPreset
def run(commands : Commands) -> Commands:
return [ shutil.which('ffmpeg'), '-loglevel', 'error' ] + commands
def chain(*commands : Commands) -> Commands:
return list(itertools.chain(*commands))
def get_encoders() -> Commands:
return [ '-encoders' ]
def set_hardware_accelerator(value : str) -> Commands:
return [ '-hwaccel', value ]
def set_progress() -> Commands:
return [ '-progress' ]
def set_input(input_path : str) -> Commands:
return [ '-i', input_path ]
def set_input_fps(input_fps : Fps) -> Commands:
return [ '-r', str(input_fps)]
def set_output(output_path : str) -> Commands:
return [ output_path ]
def force_output(output_path : str) -> Commands:
return [ '-y', output_path ]
def cast_stream() -> Commands:
return [ '-' ]
def set_stream_mode(stream_mode : StreamMode) -> Commands:
if stream_mode == 'udp':
return [ '-f', 'mpegts' ]
if stream_mode == 'v4l2':
return [ '-f', 'v4l2' ]
return []
def set_stream_quality(stream_quality : int) -> Commands:
return [ '-b:v', str(stream_quality) + 'k' ]
def unsafe_concat() -> Commands:
return [ '-f', 'concat', '-safe', '0' ]
def set_pixel_format(video_encoder : VideoEncoder) -> Commands:
if video_encoder == 'rawvideo':
return [ '-pix_fmt', 'rgb24' ]
return [ '-pix_fmt', 'yuv420p' ]
def set_frame_quality(frame_quality : int) -> Commands:
return [ '-q:v', str(frame_quality) ]
def select_frame_range(frame_start : int, frame_end : int, video_fps : Fps) -> Commands:
if isinstance(frame_start, int) and isinstance(frame_end, int):
return [ '-vf', 'trim=start_frame=' + str(frame_start) + ':end_frame=' + str(frame_end) + ',fps=' + str(video_fps) ]
if isinstance(frame_start, int):
return [ '-vf', 'trim=start_frame=' + str(frame_start) + ',fps=' + str(video_fps) ]
if isinstance(frame_end, int):
return [ '-vf', 'trim=end_frame=' + str(frame_end) + ',fps=' + str(video_fps) ]
return [ '-vf', 'fps=' + str(video_fps) ]
def prevent_frame_drop() -> Commands:
return [ '-vsync', '0' ]
def select_media_range(frame_start : int, frame_end : int, media_fps : Fps) -> Commands:
commands = []
if isinstance(frame_start, int):
commands.extend([ '-ss', str(frame_start / media_fps) ])
if isinstance(frame_end, int):
commands.extend([ '-to', str(frame_end / media_fps) ])
return commands
def select_media_stream(media_stream : str) -> Commands:
return [ '-map', media_stream ]
def set_media_resolution(video_resolution : str) -> Commands:
return [ '-s', video_resolution ]
def set_image_quality(image_path : str, image_quality : int) -> Commands:
if get_file_format(image_path) == 'webp':
image_compression = image_quality
else:
image_compression = round(31 - (image_quality * 0.31))
return [ '-q:v', str(image_compression) ]
def set_audio_encoder(audio_codec : str) -> Commands:
return [ '-c:a', audio_codec ]
def copy_audio_encoder() -> Commands:
return set_audio_encoder('copy')
def set_audio_sample_rate(audio_sample_rate : int) -> Commands:
return [ '-ar', str(audio_sample_rate) ]
def set_audio_sample_size(audio_sample_size : int) -> Commands:
if audio_sample_size == 16:
return [ '-f', 's16le' ]
if audio_sample_size == 32:
return [ '-f', 's32le' ]
return []
def set_audio_channel_total(audio_channel_total : int) -> Commands:
return [ '-ac', str(audio_channel_total) ]
def set_audio_quality(audio_encoder : AudioEncoder, audio_quality : int) -> Commands:
if audio_encoder == 'aac':
audio_compression = round(numpy.interp(audio_quality, [ 0, 100 ], [ 0.1, 2.0 ]), 1)
return [ '-q:a', str(audio_compression) ]
if audio_encoder == 'libmp3lame':
audio_compression = round(numpy.interp(audio_quality, [ 0, 100 ], [ 9, 0 ]))
return [ '-q:a', str(audio_compression) ]
if audio_encoder == 'libopus':
audio_bit_rate = round(numpy.interp(audio_quality, [ 0, 100 ], [ 64, 256 ]))
return [ '-b:a', str(audio_bit_rate) + 'k' ]
if audio_encoder == 'libvorbis':
audio_compression = round(numpy.interp(audio_quality, [ 0, 100 ], [ -1, 10 ]), 1)
return [ '-q:a', str(audio_compression) ]
return []
def set_audio_volume(audio_volume : int) -> Commands:
return [ '-filter:a', 'volume=' + str(audio_volume / 100) ]
def set_video_encoder(video_encoder : str) -> Commands:
return [ '-c:v', video_encoder ]
def copy_video_encoder() -> Commands:
return set_video_encoder('copy')
def set_video_quality(video_encoder : VideoEncoder, video_quality : int) -> Commands:
if video_encoder in [ 'libx264', 'libx265' ]:
video_compression = round(numpy.interp(video_quality, [ 0, 100 ], [ 51, 0 ]))
return [ '-crf', str(video_compression) ]
if video_encoder == 'libvpx-vp9':
video_compression = round(numpy.interp(video_quality, [ 0, 100 ], [ 63, 0 ]))
return [ '-crf', str(video_compression) ]
if video_encoder in [ 'h264_nvenc', 'hevc_nvenc' ]:
video_compression = round(numpy.interp(video_quality, [ 0, 100 ], [ 51, 0 ]))
return [ '-cq', str(video_compression) ]
if video_encoder in [ 'h264_amf', 'hevc_amf' ]:
video_compression = round(numpy.interp(video_quality, [ 0, 100 ], [ 51, 0 ]))
return [ '-qp_i', str(video_compression), '-qp_p', str(video_compression), '-qp_b', str(video_compression) ]
if video_encoder in [ 'h264_qsv', 'hevc_qsv' ]:
video_compression = round(numpy.interp(video_quality, [ 0, 100 ], [ 51, 0 ]))
return [ '-qp', str(video_compression) ]
if video_encoder in [ 'h264_videotoolbox', 'hevc_videotoolbox' ]:
video_bit_rate = round(numpy.interp(video_quality, [ 0, 100 ], [ 1024, 50512 ]))
return [ '-b:v', str(video_bit_rate) + 'k' ]
return []
def set_video_preset(video_encoder : VideoEncoder, video_preset : VideoPreset) -> Commands:
if video_encoder in [ 'libx264', 'libx265' ]:
return [ '-preset', video_preset ]
if video_encoder in [ 'h264_nvenc', 'hevc_nvenc' ]:
return [ '-preset', map_nvenc_preset(video_preset) ]
if video_encoder in [ 'h264_amf', 'hevc_amf' ]:
return [ '-quality', map_amf_preset(video_preset) ]
if video_encoder in [ 'h264_qsv', 'hevc_qsv' ]:
return [ '-preset', map_qsv_preset(video_preset) ]
return []
def set_video_colorspace(video_colorspace : str) -> Commands:
return [ '-colorspace', video_colorspace ]
def set_video_fps(video_fps : Fps) -> Commands:
return [ '-vf', 'framerate=fps=' + str(video_fps) ]
def set_video_duration(video_duration : Duration) -> Commands:
return [ '-t', str(video_duration) ]
def capture_video() -> Commands:
return [ '-f', 'rawvideo', '-pix_fmt', 'rgb24' ]
def ignore_video_stream() -> Commands:
return [ '-vn' ]
def map_nvenc_preset(video_preset : VideoPreset) -> Optional[str]:
if video_preset in [ 'ultrafast', 'superfast', 'veryfast', 'faster', 'fast' ]:
return 'fast'
if video_preset == 'medium':
return 'medium'
if video_preset in [ 'slow', 'slower', 'veryslow' ]:
return 'slow'
return None
def map_amf_preset(video_preset : VideoPreset) -> Optional[str]:
if video_preset in [ 'ultrafast', 'superfast', 'veryfast' ]:
return 'speed'
if video_preset in [ 'faster', 'fast', 'medium' ]:
return 'balanced'
if video_preset in [ 'slow', 'slower', 'veryslow' ]:
return 'quality'
return None
def map_qsv_preset(video_preset : VideoPreset) -> Optional[str]:
if video_preset in [ 'ultrafast', 'superfast', 'veryfast' ]:
return 'veryfast'
if video_preset in [ 'faster', 'fast', 'medium', 'slow', 'slower', 'veryslow' ]:
return video_preset
return None
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